From 768877d969d8d61f7dbde3df13e21fcff4165ebe Mon Sep 17 00:00:00 2001 From: Dimitrios Kaitantzidis Date: Sun, 22 Oct 2023 20:32:19 +0300 Subject: [PATCH] Reader works correctly --- src/main/resources/static/pdfjs/js/viewer.js | 14922 ++++++- src/main/resources/static/pdfjs/pdf.js | 10795 +++-- src/main/resources/static/pdfjs/pdf.js.map | 2 +- .../static/pdfjs/pdf.worker.entry.js | 19 + src/main/resources/static/pdfjs/pdf.worker.js | 34406 +++++++--------- .../resources/static/pdfjs/pdf.worker.js.map | 2 +- 6 files changed, 36128 insertions(+), 24018 deletions(-) create mode 100644 src/main/resources/static/pdfjs/pdf.worker.entry.js diff --git a/src/main/resources/static/pdfjs/js/viewer.js b/src/main/resources/static/pdfjs/js/viewer.js index 4ebef407..f533f24b 100644 --- a/src/main/resources/static/pdfjs/js/viewer.js +++ b/src/main/resources/static/pdfjs/js/viewer.js @@ -1,4 +1,8 @@ -/* Copyright 2014 Mozilla Foundation +/** + * @licstart The following is the entire license notice for the + * JavaScript code in this page + * + * Copyright 2023 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -11,56 +15,14888 @@ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. + * + * @licend The above is the entire license notice for the + * JavaScript code in this page */ -"use strict"; +/******/ +(() => { // webpackBootstrap + /******/ + "use strict"; + /******/ + var __webpack_modules__ = ([ + /* 0 */, + /* 1 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { -if (!pdfjsLib.getDocument || !pdfjsViewer.PDFPageView) { - // eslint-disable-next-line no-alert - alert("Please build the pdfjs-dist library using\n `gulp dist-install`"); -} -// The workerSrc property shall be specified. -// -pdfjsLib.GlobalWorkerOptions.workerSrc = - "/pdfjs/pdf.worker.js"; + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.GenericCom = void 0; + var _app = __webpack_require__(2); + var _preferences = __webpack_require__(42); + var _download_manager = __webpack_require__(43); + var _genericl10n = __webpack_require__(44); + var _generic_scripting = __webpack_require__(46); + ; + const GenericCom = {}; + exports.GenericCom = GenericCom; -// Some PDFs need external cmaps. -// -const CMAP_URL = "/pdfjs/cmaps/"; -const CMAP_PACKED = true; + class GenericPreferences extends _preferences.BasePreferences { + async _writeToStorage(prefObj) { + localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj)); + } -const DEFAULT_URL = "/pdfjs/example/compressed.tracemonkey-pldi-09.pdf"; -const PAGE_TO_VIEW = 1; -const SCALE = 1.0; + async _readFromStorage(prefObj) { + return JSON.parse(localStorage.getItem("pdfjs.preferences")); + } + } -const ENABLE_XFA = true; + class GenericExternalServices extends _app.DefaultExternalServices { + static createDownloadManager() { + return new _download_manager.DownloadManager(); + } -const container = document.getElementById("pageContainer"); + static createPreferences() { + return new GenericPreferences(); + } -const eventBus = new pdfjsViewer.EventBus(); + static createL10n({ + locale = "en-US" + }) { + return new _genericl10n.GenericL10n(locale); + } -// Loading document. -const loadingTask = pdfjsLib.getDocument({ - url: DEFAULT_URL, - cMapUrl: CMAP_URL, - cMapPacked: CMAP_PACKED, - enableXfa: ENABLE_XFA, -}); -(async function () { - const pdfDocument = await loadingTask.promise; - // Document loaded, retrieving the page. - const pdfPage = await pdfDocument.getPage(PAGE_TO_VIEW); + static createScripting({ + sandboxBundleSrc + }) { + return new _generic_scripting.GenericScripting(sandboxBundleSrc); + } + } - // Creating the page view with default parameters. - const pdfPageView = new pdfjsViewer.PDFPageView({ - container, - id: PAGE_TO_VIEW, - scale: SCALE, - defaultViewport: pdfPage.getViewport({scale: SCALE}), - eventBus, - }); - // Associate the actual page with the view, and draw it. - pdfPageView.setPdfPage(pdfPage); - return pdfPageView.draw(); -})(); \ No newline at end of file + _app.PDFViewerApplication.externalServices = GenericExternalServices; + + /***/ + }), + /* 2 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFViewerApplication = exports.PDFPrintServiceFactory = exports.DefaultExternalServices = void 0; + var _ui_utils = __webpack_require__(3); + var _pdfjsLib = __webpack_require__(4); + var _app_options = __webpack_require__(5); + var _event_utils = __webpack_require__(6); + var _pdf_link_service = __webpack_require__(7); + var _webAlt_text_manager = __webpack_require__(8); + var _webAnnotation_editor_params = __webpack_require__(9); + var _overlay_manager = __webpack_require__(10); + var _password_prompt = __webpack_require__(11); + var _webPdf_attachment_viewer = __webpack_require__(12); + var _webPdf_cursor_tools = __webpack_require__(14); + var _webPdf_document_properties = __webpack_require__(16); + var _webPdf_find_bar = __webpack_require__(17); + var _pdf_find_controller = __webpack_require__(18); + var _pdf_history = __webpack_require__(20); + var _webPdf_layer_viewer = __webpack_require__(21); + var _webPdf_outline_viewer = __webpack_require__(22); + var _webPdf_presentation_mode = __webpack_require__(23); + var _pdf_rendering_queue = __webpack_require__(24); + var _pdf_scripting_manager = __webpack_require__(25); + var _webPdf_sidebar = __webpack_require__(26); + var _webPdf_thumbnail_viewer = __webpack_require__(27); + var _pdf_viewer = __webpack_require__(29); + var _webSecondary_toolbar = __webpack_require__(39); + var _webToolbar = __webpack_require__(40); + var _view_history = __webpack_require__(41); + const FORCE_PAGES_LOADED_TIMEOUT = 10000; + const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000; + const ViewOnLoad = { + UNKNOWN: -1, + PREVIOUS: 0, + INITIAL: 1 + }; + const ViewerCssTheme = { + AUTOMATIC: 0, + LIGHT: 1, + DARK: 2 + }; + + class DefaultExternalServices { + constructor() { + throw new Error("Cannot initialize DefaultExternalServices."); + } + + static updateFindControlState(data) { + } + + static updateFindMatchesCount(data) { + } + + static initPassiveLoading(callbacks) { + } + + static reportTelemetry(data) { + } + + static createDownloadManager() { + throw new Error("Not implemented: createDownloadManager"); + } + + static createPreferences() { + throw new Error("Not implemented: createPreferences"); + } + + static createL10n(options) { + throw new Error("Not implemented: createL10n"); + } + + static createScripting(options) { + throw new Error("Not implemented: createScripting"); + } + + static get supportsPinchToZoom() { + return (0, _pdfjsLib.shadow)(this, "supportsPinchToZoom", true); + } + + static get supportsIntegratedFind() { + return (0, _pdfjsLib.shadow)(this, "supportsIntegratedFind", false); + } + + static get supportsDocumentFonts() { + return (0, _pdfjsLib.shadow)(this, "supportsDocumentFonts", true); + } + + static get supportedMouseWheelZoomModifierKeys() { + return (0, _pdfjsLib.shadow)(this, "supportedMouseWheelZoomModifierKeys", { + ctrlKey: true, + metaKey: true + }); + } + + static get isInAutomation() { + return (0, _pdfjsLib.shadow)(this, "isInAutomation", false); + } + + static updateEditorStates(data) { + throw new Error("Not implemented: updateEditorStates"); + } + + static get canvasMaxAreaInBytes() { + return (0, _pdfjsLib.shadow)(this, "canvasMaxAreaInBytes", -1); + } + + static getNimbusExperimentData() { + return (0, _pdfjsLib.shadow)(this, "getNimbusExperimentData", Promise.resolve(null)); + } + } + + exports.DefaultExternalServices = DefaultExternalServices; + const PDFViewerApplication = { + initialBookmark: document.location.hash.substring(1), + _initializedCapability: new _pdfjsLib.PromiseCapability(), + appConfig: null, + pdfDocument: null, + pdfLoadingTask: null, + printService: null, + pdfViewer: null, + pdfThumbnailViewer: null, + pdfRenderingQueue: null, + pdfPresentationMode: null, + pdfDocumentProperties: null, + pdfLinkService: null, + pdfHistory: null, + pdfSidebar: null, + pdfOutlineViewer: null, + pdfAttachmentViewer: null, + pdfLayerViewer: null, + pdfCursorTools: null, + pdfScriptingManager: null, + store: null, + downloadManager: null, + overlayManager: null, + preferences: null, + toolbar: null, + secondaryToolbar: null, + eventBus: null, + l10n: null, + annotationEditorParams: null, + isInitialViewSet: false, + downloadComplete: false, + isViewerEmbedded: window.parent !== window, + url: "", + baseUrl: "", + _downloadUrl: "", + externalServices: DefaultExternalServices, + _boundEvents: Object.create(null), + documentInfo: null, + metadata: null, + _contentDispositionFilename: null, + _contentLength: null, + _saveInProgress: false, + _wheelUnusedTicks: 0, + _wheelUnusedFactor: 1, + _touchUnusedTicks: 0, + _touchUnusedFactor: 1, + _PDFBug: null, + _hasAnnotationEditors: false, + _title: document.title, + _printAnnotationStoragePromise: null, + _touchInfo: null, + _isCtrlKeyDown: false, + _nimbusDataPromise: null, + async initialize(appConfig) { + this.preferences = this.externalServices.createPreferences(); + this.appConfig = appConfig; + await this._initializeOptions(); + this._forceCssTheme(); + await this._initializeL10n(); + if (this.isViewerEmbedded && _app_options.AppOptions.get("externalLinkTarget") === _pdf_link_service.LinkTarget.NONE) { + _app_options.AppOptions.set("externalLinkTarget", _pdf_link_service.LinkTarget.TOP); + } + await this._initializeViewerComponents(); + this.bindEvents(); + this.bindWindowEvents(); + const appContainer = appConfig.appContainer || document.documentElement; + this.l10n.translate(appContainer).then(() => { + this.eventBus.dispatch("localized", { + source: this + }); + }); + this._initializedCapability.resolve(); + }, + async _initializeOptions() { + if (_app_options.AppOptions.get("disablePreferences")) { + if (_app_options.AppOptions.get("pdfBugEnabled")) { + await this._parseHashParams(); + } + return; + } + if (_app_options.AppOptions._hasUserOptions()) { + console.warn("_initializeOptions: The Preferences may override manually set AppOptions; " + 'please use the "disablePreferences"-option in order to prevent that.'); + } + try { + _app_options.AppOptions.setAll(await this.preferences.getAll()); + } catch (reason) { + console.error(`_initializeOptions: "${reason.message}".`); + } + if (_app_options.AppOptions.get("pdfBugEnabled")) { + await this._parseHashParams(); + } + }, + async _parseHashParams() { + const hash = document.location.hash.substring(1); + if (!hash) { + return; + } + const { + mainContainer, + viewerContainer + } = this.appConfig, + params = (0, _ui_utils.parseQueryString)(hash); + if (params.get("disableworker") === "true") { + try { + await loadFakeWorker(); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + } + if (params.has("disablerange")) { + _app_options.AppOptions.set("disableRange", params.get("disablerange") === "true"); + } + if (params.has("disablestream")) { + _app_options.AppOptions.set("disableStream", params.get("disablestream") === "true"); + } + if (params.has("disableautofetch")) { + _app_options.AppOptions.set("disableAutoFetch", params.get("disableautofetch") === "true"); + } + if (params.has("disablefontface")) { + _app_options.AppOptions.set("disableFontFace", params.get("disablefontface") === "true"); + } + if (params.has("disablehistory")) { + _app_options.AppOptions.set("disableHistory", params.get("disablehistory") === "true"); + } + if (params.has("verbosity")) { + _app_options.AppOptions.set("verbosity", params.get("verbosity") | 0); + } + if (params.has("textlayer")) { + switch (params.get("textlayer")) { + case "off": + _app_options.AppOptions.set("textLayerMode", _ui_utils.TextLayerMode.DISABLE); + break; + case "visible": + case "shadow": + case "hover": + viewerContainer.classList.add(`textLayer-${params.get("textlayer")}`); + try { + await loadPDFBug(this); + this._PDFBug.loadCSS(); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + break; + } + } + if (params.has("pdfbug")) { + _app_options.AppOptions.set("pdfBug", true); + _app_options.AppOptions.set("fontExtraProperties", true); + const enabled = params.get("pdfbug").split(","); + try { + await loadPDFBug(this); + this._PDFBug.init(mainContainer, enabled); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + } + if (params.has("locale")) { + _app_options.AppOptions.set("locale", params.get("locale")); + } + }, + async _initializeL10n() { + this.l10n = this.externalServices.createL10n({ + locale: _app_options.AppOptions.get("locale") + }); + const dir = await this.l10n.getDirection(); + document.getElementsByTagName("html")[0].dir = dir; + }, + _forceCssTheme() { + const cssTheme = _app_options.AppOptions.get("viewerCssTheme"); + if (cssTheme === ViewerCssTheme.AUTOMATIC || !Object.values(ViewerCssTheme).includes(cssTheme)) { + return; + } + try { + const styleSheet = document.styleSheets[0]; + const cssRules = styleSheet?.cssRules || []; + for (let i = 0, ii = cssRules.length; i < ii; i++) { + const rule = cssRules[i]; + if (rule instanceof CSSMediaRule && rule.media?.[0] === "(prefers-color-scheme: dark)") { + if (cssTheme === ViewerCssTheme.LIGHT) { + styleSheet.deleteRule(i); + return; + } + const darkRules = /^@media \(prefers-color-scheme: dark\) {\n\s*([\w\s-.,:;/\\{}()]+)\n}$/.exec(rule.cssText); + if (darkRules?.[1]) { + styleSheet.deleteRule(i); + styleSheet.insertRule(darkRules[1], i); + } + return; + } + } + } catch (reason) { + console.error(`_forceCssTheme: "${reason?.message}".`); + } + }, + async _initializeViewerComponents() { + const { + appConfig, + externalServices, + l10n + } = this; + const eventBus = externalServices.isInAutomation ? new _event_utils.AutomationEventBus() : new _event_utils.EventBus(); + this.eventBus = eventBus; + this.overlayManager = new _overlay_manager.OverlayManager(); + const pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue(); + pdfRenderingQueue.onIdle = this._cleanup.bind(this); + this.pdfRenderingQueue = pdfRenderingQueue; + const pdfLinkService = new _pdf_link_service.PDFLinkService({ + eventBus, + externalLinkTarget: _app_options.AppOptions.get("externalLinkTarget"), + externalLinkRel: _app_options.AppOptions.get("externalLinkRel"), + ignoreDestinationZoom: _app_options.AppOptions.get("ignoreDestinationZoom") + }); + this.pdfLinkService = pdfLinkService; + const downloadManager = externalServices.createDownloadManager(); + this.downloadManager = downloadManager; + const findController = new _pdf_find_controller.PDFFindController({ + linkService: pdfLinkService, + eventBus, + updateMatchesCountOnProgress: true + }); + this.findController = findController; + const pdfScriptingManager = new _pdf_scripting_manager.PDFScriptingManager({ + eventBus, + sandboxBundleSrc: _app_options.AppOptions.get("sandboxBundleSrc"), + externalServices, + docProperties: this._scriptingDocProperties.bind(this) + }); + this.pdfScriptingManager = pdfScriptingManager; + const container = appConfig.mainContainer, + viewer = appConfig.viewerContainer; + const annotationEditorMode = _app_options.AppOptions.get("annotationEditorMode"); + const isOffscreenCanvasSupported = _app_options.AppOptions.get("isOffscreenCanvasSupported") && _pdfjsLib.FeatureTest.isOffscreenCanvasSupported; + const pageColors = _app_options.AppOptions.get("forcePageColors") || window.matchMedia("(forced-colors: active)").matches ? { + background: _app_options.AppOptions.get("pageColorsBackground"), + foreground: _app_options.AppOptions.get("pageColorsForeground") + } : null; + const altTextManager = appConfig.altTextDialog ? new _webAlt_text_manager.AltTextManager(appConfig.altTextDialog, container, this.overlayManager, eventBus) : null; + const pdfViewer = new _pdf_viewer.PDFViewer({ + container, + viewer, + eventBus, + renderingQueue: pdfRenderingQueue, + linkService: pdfLinkService, + downloadManager, + altTextManager, + findController, + scriptingManager: _app_options.AppOptions.get("enableScripting") && pdfScriptingManager, + l10n, + textLayerMode: _app_options.AppOptions.get("textLayerMode"), + annotationMode: _app_options.AppOptions.get("annotationMode"), + annotationEditorMode, + imageResourcesPath: _app_options.AppOptions.get("imageResourcesPath"), + enablePrintAutoRotate: _app_options.AppOptions.get("enablePrintAutoRotate"), + isOffscreenCanvasSupported, + maxCanvasPixels: _app_options.AppOptions.get("maxCanvasPixels"), + enablePermissions: _app_options.AppOptions.get("enablePermissions"), + pageColors + }); + this.pdfViewer = pdfViewer; + pdfRenderingQueue.setViewer(pdfViewer); + pdfLinkService.setViewer(pdfViewer); + pdfScriptingManager.setViewer(pdfViewer); + if (appConfig.sidebar?.thumbnailView) { + this.pdfThumbnailViewer = new _webPdf_thumbnail_viewer.PDFThumbnailViewer({ + container: appConfig.sidebar.thumbnailView, + eventBus, + renderingQueue: pdfRenderingQueue, + linkService: pdfLinkService, + l10n, + pageColors + }); + pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer); + } + if (!this.isViewerEmbedded && !_app_options.AppOptions.get("disableHistory")) { + this.pdfHistory = new _pdf_history.PDFHistory({ + linkService: pdfLinkService, + eventBus + }); + pdfLinkService.setHistory(this.pdfHistory); + } + if (!this.supportsIntegratedFind && appConfig.findBar) { + this.findBar = new _webPdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, l10n); + } + if (appConfig.annotationEditorParams) { + if (annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) { + if (_app_options.AppOptions.get("enableStampEditor") && isOffscreenCanvasSupported) { + appConfig.toolbar?.editorStampButton?.classList.remove("hidden"); + } + this.annotationEditorParams = new _webAnnotation_editor_params.AnnotationEditorParams(appConfig.annotationEditorParams, eventBus); + } else { + for (const id of ["editorModeButtons", "editorModeSeparator"]) { + document.getElementById(id)?.classList.add("hidden"); + } + } + } + if (appConfig.documentProperties) { + this.pdfDocumentProperties = new _webPdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, l10n, () => this._docFilename); + } + if (appConfig.secondaryToolbar?.cursorHandToolButton) { + this.pdfCursorTools = new _webPdf_cursor_tools.PDFCursorTools({ + container, + eventBus, + cursorToolOnLoad: _app_options.AppOptions.get("cursorToolOnLoad") + }); + } + if (appConfig.toolbar) { + this.toolbar = new _webToolbar.Toolbar(appConfig.toolbar, eventBus, l10n); + } + if (appConfig.secondaryToolbar) { + this.secondaryToolbar = new _webSecondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, eventBus); + } + if (this.supportsFullscreen && appConfig.secondaryToolbar?.presentationModeButton) { + this.pdfPresentationMode = new _webPdf_presentation_mode.PDFPresentationMode({ + container, + pdfViewer, + eventBus + }); + } + if (appConfig.passwordOverlay) { + this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, l10n, this.isViewerEmbedded); + } + if (appConfig.sidebar?.outlineView) { + this.pdfOutlineViewer = new _webPdf_outline_viewer.PDFOutlineViewer({ + container: appConfig.sidebar.outlineView, + eventBus, + linkService: pdfLinkService, + downloadManager + }); + } + if (appConfig.sidebar?.attachmentsView) { + this.pdfAttachmentViewer = new _webPdf_attachment_viewer.PDFAttachmentViewer({ + container: appConfig.sidebar.attachmentsView, + eventBus, + downloadManager + }); + } + if (appConfig.sidebar?.layersView) { + this.pdfLayerViewer = new _webPdf_layer_viewer.PDFLayerViewer({ + container: appConfig.sidebar.layersView, + eventBus, + l10n + }); + } + if (appConfig.sidebar) { + this.pdfSidebar = new _webPdf_sidebar.PDFSidebar({ + elements: appConfig.sidebar, + eventBus, + l10n + }); + this.pdfSidebar.onToggled = this.forceRendering.bind(this); + this.pdfSidebar.onUpdateThumbnails = () => { + for (const pageView of pdfViewer.getCachedPageViews()) { + if (pageView.renderingState === _ui_utils.RenderingStates.FINISHED) { + this.pdfThumbnailViewer.getThumbnail(pageView.id - 1)?.setImage(pageView); + } + } + this.pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber); + }; + } + }, + async run(config) { + await this.initialize(config); + const { + appConfig, + eventBus + } = this; + let file; + const queryString = document.location.search.substring(1); + const params = (0, _ui_utils.parseQueryString)(queryString); + file = params.get("file") ?? _app_options.AppOptions.get("defaultUrl"); + validateFileURL(file); + const fileInput = appConfig.openFileInput; + fileInput.value = null; + fileInput.addEventListener("change", function (evt) { + const { + files + } = evt.target; + if (!files || files.length === 0) { + return; + } + eventBus.dispatch("fileinputchange", { + source: this, + fileInput: evt.target + }); + }); + appConfig.mainContainer.addEventListener("dragover", function (evt) { + evt.preventDefault(); + evt.dataTransfer.dropEffect = evt.dataTransfer.effectAllowed === "copy" ? "copy" : "move"; + }); + appConfig.mainContainer.addEventListener("drop", function (evt) { + evt.preventDefault(); + const { + files + } = evt.dataTransfer; + if (!files || files.length === 0) { + return; + } + eventBus.dispatch("fileinputchange", { + source: this, + fileInput: evt.dataTransfer + }); + }); + if (!this.supportsDocumentFonts) { + _app_options.AppOptions.set("disableFontFace", true); + this.l10n.get("web_fonts_disabled").then(msg => { + console.warn(msg); + }); + } + if (!this.supportsPrinting) { + appConfig.toolbar?.print?.classList.add("hidden"); + appConfig.secondaryToolbar?.printButton.classList.add("hidden"); + } + if (!this.supportsFullscreen) { + appConfig.secondaryToolbar?.presentationModeButton.classList.add("hidden"); + } + if (this.supportsIntegratedFind) { + appConfig.toolbar?.viewFind?.classList.add("hidden"); + } + appConfig.mainContainer.addEventListener("transitionend", function (evt) { + if (evt.target === this) { + eventBus.dispatch("resize", { + source: this + }); + } + }, true); + if (file) { + this.open({ + url: file + }); + } else { + this._hideViewBookmark(); + } + }, + get initialized() { + return this._initializedCapability.settled; + }, + get initializedPromise() { + return this._initializedCapability.promise; + }, + zoomIn(steps, scaleFactor) { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.increaseScale({ + drawingDelay: _app_options.AppOptions.get("defaultZoomDelay"), + steps, + scaleFactor + }); + }, + zoomOut(steps, scaleFactor) { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.decreaseScale({ + drawingDelay: _app_options.AppOptions.get("defaultZoomDelay"), + steps, + scaleFactor + }); + }, + zoomReset() { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE; + }, + get pagesCount() { + return this.pdfDocument ? this.pdfDocument.numPages : 0; + }, + get page() { + return this.pdfViewer.currentPageNumber; + }, + set page(val) { + this.pdfViewer.currentPageNumber = val; + }, + get supportsPrinting() { + return PDFPrintServiceFactory.instance.supportsPrinting; + }, + get supportsFullscreen() { + return (0, _pdfjsLib.shadow)(this, "supportsFullscreen", document.fullscreenEnabled); + }, + get supportsPinchToZoom() { + return this.externalServices.supportsPinchToZoom; + }, + get supportsIntegratedFind() { + return this.externalServices.supportsIntegratedFind; + }, + get supportsDocumentFonts() { + return this.externalServices.supportsDocumentFonts; + }, + get loadingBar() { + const barElement = document.getElementById("loadingBar"); + const bar = barElement ? new _ui_utils.ProgressBar(barElement) : null; + return (0, _pdfjsLib.shadow)(this, "loadingBar", bar); + }, + get supportedMouseWheelZoomModifierKeys() { + return this.externalServices.supportedMouseWheelZoomModifierKeys; + }, + initPassiveLoading(file) { + throw new Error("Not implemented: initPassiveLoading"); + }, + setTitleUsingUrl(url = "", downloadUrl = null) { + this.url = url; + this.baseUrl = url.split("#")[0]; + if (downloadUrl) { + this._downloadUrl = downloadUrl === url ? this.baseUrl : downloadUrl.split("#")[0]; + } + if ((0, _pdfjsLib.isDataScheme)(url)) { + this._hideViewBookmark(); + } + let title = (0, _pdfjsLib.getPdfFilenameFromUrl)(url, ""); + if (!title) { + try { + title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url; + } catch { + title = url; + } + } + this.setTitle(title); + }, + setTitle(title = this._title) { + this._title = title; + if (this.isViewerEmbedded) { + return; + } + const editorIndicator = this._hasAnnotationEditors && !this.pdfRenderingQueue.printing; + document.title = `${editorIndicator ? "* " : ""}${title}`; + }, + get _docFilename() { + return this._contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(this.url); + }, + _hideViewBookmark() { + const { + secondaryToolbar + } = this.appConfig; + secondaryToolbar?.viewBookmarkButton.classList.add("hidden"); + if (secondaryToolbar?.presentationModeButton.classList.contains("hidden")) { + document.getElementById("viewBookmarkSeparator")?.classList.add("hidden"); + } + }, + async close() { + this._unblockDocumentLoadEvent(); + this._hideViewBookmark(); + if (!this.pdfLoadingTask) { + return; + } + if (this.pdfDocument?.annotationStorage.size > 0 && this._annotationStorageModified) { + try { + await this.save(); + } catch { + } + } + const promises = []; + promises.push(this.pdfLoadingTask.destroy()); + this.pdfLoadingTask = null; + if (this.pdfDocument) { + this.pdfDocument = null; + this.pdfThumbnailViewer?.setDocument(null); + this.pdfViewer.setDocument(null); + this.pdfLinkService.setDocument(null); + this.pdfDocumentProperties?.setDocument(null); + } + this.pdfLinkService.externalLinkEnabled = true; + this.store = null; + this.isInitialViewSet = false; + this.downloadComplete = false; + this.url = ""; + this.baseUrl = ""; + this._downloadUrl = ""; + this.documentInfo = null; + this.metadata = null; + this._contentDispositionFilename = null; + this._contentLength = null; + this._saveInProgress = false; + this._hasAnnotationEditors = false; + promises.push(this.pdfScriptingManager.destroyPromise, this.passwordPrompt.close()); + this.setTitle(); + this.pdfSidebar?.reset(); + this.pdfOutlineViewer?.reset(); + this.pdfAttachmentViewer?.reset(); + this.pdfLayerViewer?.reset(); + this.pdfHistory?.reset(); + this.findBar?.reset(); + this.toolbar?.reset(); + this.secondaryToolbar?.reset(); + this._PDFBug?.cleanup(); + await Promise.all(promises); + }, + async open(args) { + let deprecatedArgs = false; + if (typeof args === "string") { + args = { + url: args + }; + deprecatedArgs = true; + } else if (args?.byteLength) { + args = { + data: args + }; + deprecatedArgs = true; + } + if (deprecatedArgs) { + console.error("The `PDFViewerApplication.open` signature was updated, please use an object instead."); + } + if (this.pdfLoadingTask) { + await this.close(); + } + const workerParams = _app_options.AppOptions.getAll(_app_options.OptionKind.WORKER); + Object.assign(_pdfjsLib.GlobalWorkerOptions, workerParams); + if (args.url) { + this.setTitleUsingUrl(args.originalUrl || args.url, args.url); + } + const apiParams = _app_options.AppOptions.getAll(_app_options.OptionKind.API); + const params = { + canvasMaxAreaInBytes: this.externalServices.canvasMaxAreaInBytes, + ...apiParams, + ...args + }; + const loadingTask = (0, _pdfjsLib.getDocument)(params); + this.pdfLoadingTask = loadingTask; + loadingTask.onPassword = (updateCallback, reason) => { + if (this.isViewerEmbedded) { + this._unblockDocumentLoadEvent(); + } + this.pdfLinkService.externalLinkEnabled = false; + this.passwordPrompt.setUpdateCallback(updateCallback, reason); + this.passwordPrompt.open(); + }; + loadingTask.onProgress = ({ + loaded, + total + }) => { + this.progress(loaded / total); + }; + return loadingTask.promise.then(pdfDocument => { + this.load(pdfDocument); + }, reason => { + if (loadingTask !== this.pdfLoadingTask) { + return undefined; + } + let key = "loading_error"; + if (reason instanceof _pdfjsLib.InvalidPDFException) { + key = "invalid_file_error"; + } else if (reason instanceof _pdfjsLib.MissingPDFException) { + key = "missing_file_error"; + } else if (reason instanceof _pdfjsLib.UnexpectedResponseException) { + key = "unexpected_response_error"; + } + return this.l10n.get(key).then(msg => { + this._documentError(msg, { + message: reason?.message + }); + throw reason; + }); + }); + }, + _ensureDownloadComplete() { + if (this.pdfDocument && this.downloadComplete) { + return; + } + throw new Error("PDF document not downloaded."); + }, + async download(options = {}) { + const url = this._downloadUrl, + filename = this._docFilename; + try { + this._ensureDownloadComplete(); + const data = await this.pdfDocument.getData(); + const blob = new Blob([data], { + type: "application/pdf" + }); + await this.downloadManager.download(blob, url, filename, options); + } catch { + await this.downloadManager.downloadUrl(url, filename, options); + } + }, + async save(options = {}) { + if (this._saveInProgress) { + return; + } + this._saveInProgress = true; + await this.pdfScriptingManager.dispatchWillSave(); + const url = this._downloadUrl, + filename = this._docFilename; + try { + this._ensureDownloadComplete(); + const data = await this.pdfDocument.saveDocument(); + const blob = new Blob([data], { + type: "application/pdf" + }); + await this.downloadManager.download(blob, url, filename, options); + } catch (reason) { + console.error(`Error when saving the document: ${reason.message}`); + await this.download(options); + } finally { + await this.pdfScriptingManager.dispatchDidSave(); + this._saveInProgress = false; + } + if (this._hasAnnotationEditors) { + this.externalServices.reportTelemetry({ + type: "editing", + data: { + type: "save" + } + }); + } + }, + downloadOrSave(options = {}) { + if (this.pdfDocument?.annotationStorage.size > 0) { + this.save(options); + } else { + this.download(options); + } + }, + openInExternalApp() { + this.downloadOrSave({ + openInExternalApp: true + }); + }, + _documentError(message, moreInfo = null) { + this._unblockDocumentLoadEvent(); + this._otherError(message, moreInfo); + this.eventBus.dispatch("documenterror", { + source: this, + message, + reason: moreInfo?.message ?? null + }); + }, + _otherError(message, moreInfo = null) { + const moreInfoText = [`PDF.js v${_pdfjsLib.version || "?"} (build: ${_pdfjsLib.build || "?"})`]; + if (moreInfo) { + moreInfoText.push(`Message: ${moreInfo.message}`); + if (moreInfo.stack) { + moreInfoText.push(`Stack: ${moreInfo.stack}`); + } else { + if (moreInfo.filename) { + moreInfoText.push(`File: ${moreInfo.filename}`); + } + if (moreInfo.lineNumber) { + moreInfoText.push(`Line: ${moreInfo.lineNumber}`); + } + } + } + console.error(`${message}\n\n${moreInfoText.join("\n")}`); + }, + progress(level) { + if (!this.loadingBar || this.downloadComplete) { + return; + } + const percent = Math.round(level * 100); + if (percent <= this.loadingBar.percent) { + return; + } + this.loadingBar.percent = percent; + if (this.pdfDocument?.loadingParams.disableAutoFetch ?? _app_options.AppOptions.get("disableAutoFetch")) { + this.loadingBar.setDisableAutoFetch(); + } + }, + load(pdfDocument) { + this.pdfDocument = pdfDocument; + pdfDocument.getDownloadInfo().then(({ + length + }) => { + this._contentLength = length; + this.downloadComplete = true; + this.loadingBar?.hide(); + firstPagePromise.then(() => { + this.eventBus.dispatch("documentloaded", { + source: this + }); + }); + }); + const pageLayoutPromise = pdfDocument.getPageLayout().catch(() => { + }); + const pageModePromise = pdfDocument.getPageMode().catch(() => { + }); + const openActionPromise = pdfDocument.getOpenAction().catch(() => { + }); + this.toolbar?.setPagesCount(pdfDocument.numPages, false); + this.secondaryToolbar?.setPagesCount(pdfDocument.numPages); + this.pdfLinkService.setDocument(pdfDocument); + this.pdfDocumentProperties?.setDocument(pdfDocument); + const pdfViewer = this.pdfViewer; + pdfViewer.setDocument(pdfDocument); + const { + firstPagePromise, + onePageRendered, + pagesPromise + } = pdfViewer; + this.pdfThumbnailViewer?.setDocument(pdfDocument); + const storedPromise = (this.store = new _view_history.ViewHistory(pdfDocument.fingerprints[0])).getMultiple({ + page: null, + zoom: _ui_utils.DEFAULT_SCALE_VALUE, + scrollLeft: "0", + scrollTop: "0", + rotation: null, + sidebarView: _ui_utils.SidebarView.UNKNOWN, + scrollMode: _ui_utils.ScrollMode.UNKNOWN, + spreadMode: _ui_utils.SpreadMode.UNKNOWN + }).catch(() => { + }); + firstPagePromise.then(pdfPage => { + this.loadingBar?.setWidth(this.appConfig.viewerContainer); + this._initializeAnnotationStorageCallbacks(pdfDocument); + Promise.all([_ui_utils.animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => { + const viewOnLoad = _app_options.AppOptions.get("viewOnLoad"); + this._initializePdfHistory({ + fingerprint: pdfDocument.fingerprints[0], + viewOnLoad, + initialDest: openAction?.dest + }); + const initialBookmark = this.initialBookmark; + const zoom = _app_options.AppOptions.get("defaultZoomValue"); + let hash = zoom ? `zoom=${zoom}` : null; + let rotation = null; + let sidebarView = _app_options.AppOptions.get("sidebarViewOnLoad"); + let scrollMode = _app_options.AppOptions.get("scrollModeOnLoad"); + let spreadMode = _app_options.AppOptions.get("spreadModeOnLoad"); + if (stored?.page && viewOnLoad !== ViewOnLoad.INITIAL) { + hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`; + rotation = parseInt(stored.rotation, 10); + if (sidebarView === _ui_utils.SidebarView.UNKNOWN) { + sidebarView = stored.sidebarView | 0; + } + if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) { + scrollMode = stored.scrollMode | 0; + } + if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) { + spreadMode = stored.spreadMode | 0; + } + } + if (pageMode && sidebarView === _ui_utils.SidebarView.UNKNOWN) { + sidebarView = (0, _ui_utils.apiPageModeToSidebarView)(pageMode); + } + if (pageLayout && scrollMode === _ui_utils.ScrollMode.UNKNOWN && spreadMode === _ui_utils.SpreadMode.UNKNOWN) { + const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(pageLayout); + spreadMode = modes.spreadMode; + } + this.setInitialView(hash, { + rotation, + sidebarView, + scrollMode, + spreadMode + }); + this.eventBus.dispatch("documentinit", { + source: this + }); + if (!this.isViewerEmbedded) { + pdfViewer.focus(); + } + await Promise.race([pagesPromise, new Promise(resolve => { + setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT); + })]); + if (!initialBookmark && !hash) { + return; + } + if (pdfViewer.hasEqualPageSizes) { + return; + } + this.initialBookmark = initialBookmark; + pdfViewer.currentScaleValue = pdfViewer.currentScaleValue; + this.setInitialView(hash); + }).catch(() => { + this.setInitialView(); + }).then(function () { + pdfViewer.update(); + }); + }); + pagesPromise.then(() => { + this._unblockDocumentLoadEvent(); + this._initializeAutoPrint(pdfDocument, openActionPromise); + }, reason => { + this.l10n.get("loading_error").then(msg => { + this._documentError(msg, { + message: reason?.message + }); + }); + }); + onePageRendered.then(data => { + this.externalServices.reportTelemetry({ + type: "pageInfo", + timestamp: data.timestamp + }); + if (this.pdfOutlineViewer) { + pdfDocument.getOutline().then(outline => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this.pdfOutlineViewer.render({ + outline, + pdfDocument + }); + }); + } + if (this.pdfAttachmentViewer) { + pdfDocument.getAttachments().then(attachments => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this.pdfAttachmentViewer.render({ + attachments + }); + }); + } + if (this.pdfLayerViewer) { + pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this.pdfLayerViewer.render({ + optionalContentConfig, + pdfDocument + }); + }); + } + }); + this._initializePageLabels(pdfDocument); + this._initializeMetadata(pdfDocument); + }, + async _scriptingDocProperties(pdfDocument) { + if (!this.documentInfo) { + await new Promise(resolve => { + this.eventBus._on("metadataloaded", resolve, { + once: true + }); + }); + if (pdfDocument !== this.pdfDocument) { + return null; + } + } + if (!this._contentLength) { + await new Promise(resolve => { + this.eventBus._on("documentloaded", resolve, { + once: true + }); + }); + if (pdfDocument !== this.pdfDocument) { + return null; + } + } + return { + ...this.documentInfo, + baseURL: this.baseUrl, + filesize: this._contentLength, + filename: this._docFilename, + metadata: this.metadata?.getRaw(), + authors: this.metadata?.get("dc:creator"), + numPages: this.pagesCount, + URL: this.url + }; + }, + async _initializeAutoPrint(pdfDocument, openActionPromise) { + const [openAction, jsActions] = await Promise.all([openActionPromise, this.pdfViewer.enableScripting ? null : pdfDocument.getJSActions()]); + if (pdfDocument !== this.pdfDocument) { + return; + } + let triggerAutoPrint = openAction?.action === "Print"; + if (jsActions) { + console.warn("Warning: JavaScript support is not enabled"); + for (const name in jsActions) { + if (triggerAutoPrint) { + break; + } + switch (name) { + case "WillClose": + case "WillSave": + case "DidSave": + case "WillPrint": + case "DidPrint": + continue; + } + triggerAutoPrint = jsActions[name].some(js => _ui_utils.AutoPrintRegExp.test(js)); + } + } + if (triggerAutoPrint) { + this.triggerPrinting(); + } + }, + async _initializeMetadata(pdfDocument) { + const { + info, + metadata, + contentDispositionFilename, + contentLength + } = await pdfDocument.getMetadata(); + if (pdfDocument !== this.pdfDocument) { + return; + } + this.documentInfo = info; + this.metadata = metadata; + this._contentDispositionFilename ??= contentDispositionFilename; + this._contentLength ??= contentLength; + console.log(`PDF ${pdfDocument.fingerprints[0]} [${info.PDFFormatVersion} ` + `${(info.Producer || "-").trim()} / ${(info.Creator || "-").trim()}] ` + `(PDF.js: ${_pdfjsLib.version || "?"} [${_pdfjsLib.build || "?"}])`); + let pdfTitle = info.Title; + const metadataTitle = metadata?.get("dc:title"); + if (metadataTitle) { + if (metadataTitle !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(metadataTitle)) { + pdfTitle = metadataTitle; + } + } + if (pdfTitle) { + this.setTitle(`${pdfTitle} - ${this._contentDispositionFilename || this._title}`); + } else if (this._contentDispositionFilename) { + this.setTitle(this._contentDispositionFilename); + } + if (info.IsXFAPresent && !info.IsAcroFormPresent && !pdfDocument.isPureXfa) { + if (pdfDocument.loadingParams.enableXfa) { + console.warn("Warning: XFA Foreground documents are not supported"); + } else { + console.warn("Warning: XFA support is not enabled"); + } + } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderForms) { + console.warn("Warning: Interactive form support is not enabled"); + } + if (info.IsSignaturesPresent) { + console.warn("Warning: Digital signatures validation is not supported"); + } + this.eventBus.dispatch("metadataloaded", { + source: this + }); + }, + async _initializePageLabels(pdfDocument) { + const labels = await pdfDocument.getPageLabels(); + if (pdfDocument !== this.pdfDocument) { + return; + } + if (!labels || _app_options.AppOptions.get("disablePageLabels")) { + return; + } + const numLabels = labels.length; + let standardLabels = 0, + emptyLabels = 0; + for (let i = 0; i < numLabels; i++) { + const label = labels[i]; + if (label === (i + 1).toString()) { + standardLabels++; + } else if (label === "") { + emptyLabels++; + } else { + break; + } + } + if (standardLabels >= numLabels || emptyLabels >= numLabels) { + return; + } + const { + pdfViewer, + pdfThumbnailViewer, + toolbar + } = this; + pdfViewer.setPageLabels(labels); + pdfThumbnailViewer?.setPageLabels(labels); + toolbar?.setPagesCount(numLabels, true); + toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel); + }, + _initializePdfHistory({ + fingerprint, + viewOnLoad, + initialDest = null + }) { + if (!this.pdfHistory) { + return; + } + this.pdfHistory.initialize({ + fingerprint, + resetHistory: viewOnLoad === ViewOnLoad.INITIAL, + updateUrl: _app_options.AppOptions.get("historyUpdateUrl") + }); + if (this.pdfHistory.initialBookmark) { + this.initialBookmark = this.pdfHistory.initialBookmark; + this.initialRotation = this.pdfHistory.initialRotation; + } + if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) { + this.initialBookmark = JSON.stringify(initialDest); + this.pdfHistory.push({ + explicitDest: initialDest, + pageNumber: null + }); + } + }, + _initializeAnnotationStorageCallbacks(pdfDocument) { + if (pdfDocument !== this.pdfDocument) { + return; + } + const { + annotationStorage + } = pdfDocument; + annotationStorage.onSetModified = () => { + window.addEventListener("beforeunload", beforeUnload); + this._annotationStorageModified = true; + }; + annotationStorage.onResetModified = () => { + window.removeEventListener("beforeunload", beforeUnload); + delete this._annotationStorageModified; + }; + annotationStorage.onAnnotationEditor = typeStr => { + this._hasAnnotationEditors = !!typeStr; + this.setTitle(); + if (typeStr) { + this.externalServices.reportTelemetry({ + type: "editing", + data: { + type: typeStr + } + }); + } + }; + }, + setInitialView(storedHash, { + rotation, + sidebarView, + scrollMode, + spreadMode + } = {}) { + const setRotation = angle => { + if ((0, _ui_utils.isValidRotation)(angle)) { + this.pdfViewer.pagesRotation = angle; + } + }; + const setViewerModes = (scroll, spread) => { + if ((0, _ui_utils.isValidScrollMode)(scroll)) { + this.pdfViewer.scrollMode = scroll; + } + if ((0, _ui_utils.isValidSpreadMode)(spread)) { + this.pdfViewer.spreadMode = spread; + } + }; + this.isInitialViewSet = true; + this.pdfSidebar?.setInitialView(sidebarView); + setViewerModes(scrollMode, spreadMode); + if (this.initialBookmark) { + setRotation(this.initialRotation); + delete this.initialRotation; + this.pdfLinkService.setHash(this.initialBookmark); + this.initialBookmark = null; + } else if (storedHash) { + setRotation(rotation); + this.pdfLinkService.setHash(storedHash); + } + this.toolbar?.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel); + this.secondaryToolbar?.setPageNumber(this.pdfViewer.currentPageNumber); + if (!this.pdfViewer.currentScaleValue) { + this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE; + } + }, + _cleanup() { + if (!this.pdfDocument) { + return; + } + this.pdfViewer.cleanup(); + this.pdfThumbnailViewer?.cleanup(); + this.pdfDocument.cleanup(); + }, + forceRendering() { + this.pdfRenderingQueue.printing = !!this.printService; + this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS; + this.pdfRenderingQueue.renderHighestPriority(); + }, + beforePrint() { + this._printAnnotationStoragePromise = this.pdfScriptingManager.dispatchWillPrint().catch(() => { + }).then(() => { + return this.pdfDocument?.annotationStorage.print; + }); + if (this.printService) { + return; + } + if (!this.supportsPrinting) { + this.l10n.get("printing_not_supported").then(msg => { + this._otherError(msg); + }); + return; + } + if (!this.pdfViewer.pageViewsReady) { + this.l10n.get("printing_not_ready").then(msg => { + window.alert(msg); + }); + return; + } + const pagesOverview = this.pdfViewer.getPagesOverview(); + const printContainer = this.appConfig.printContainer; + const printResolution = _app_options.AppOptions.get("printResolution"); + const optionalContentConfigPromise = this.pdfViewer.optionalContentConfigPromise; + const printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, this._printAnnotationStoragePromise, this.l10n); + this.printService = printService; + this.forceRendering(); + this.setTitle(); + printService.layout(); + if (this._hasAnnotationEditors) { + this.externalServices.reportTelemetry({ + type: "editing", + data: { + type: "print" + } + }); + } + }, + afterPrint() { + if (this._printAnnotationStoragePromise) { + this._printAnnotationStoragePromise.then(() => { + this.pdfScriptingManager.dispatchDidPrint(); + }); + this._printAnnotationStoragePromise = null; + } + if (this.printService) { + this.printService.destroy(); + this.printService = null; + this.pdfDocument?.annotationStorage.resetModified(); + } + this.forceRendering(); + this.setTitle(); + }, + rotatePages(delta) { + this.pdfViewer.pagesRotation += delta; + }, + requestPresentationMode() { + this.pdfPresentationMode?.request(); + }, + triggerPrinting() { + if (!this.supportsPrinting) { + return; + } + window.print(); + }, + bindEvents() { + const { + eventBus, + _boundEvents + } = this; + _boundEvents.beforePrint = this.beforePrint.bind(this); + _boundEvents.afterPrint = this.afterPrint.bind(this); + eventBus._on("resize", webViewerResize); + eventBus._on("hashchange", webViewerHashchange); + eventBus._on("beforeprint", _boundEvents.beforePrint); + eventBus._on("afterprint", _boundEvents.afterPrint); + eventBus._on("pagerender", webViewerPageRender); + eventBus._on("pagerendered", webViewerPageRendered); + eventBus._on("updateviewarea", webViewerUpdateViewarea); + eventBus._on("pagechanging", webViewerPageChanging); + eventBus._on("scalechanging", webViewerScaleChanging); + eventBus._on("rotationchanging", webViewerRotationChanging); + eventBus._on("sidebarviewchanged", webViewerSidebarViewChanged); + eventBus._on("pagemode", webViewerPageMode); + eventBus._on("namedaction", webViewerNamedAction); + eventBus._on("presentationmodechanged", webViewerPresentationModeChanged); + eventBus._on("presentationmode", webViewerPresentationMode); + eventBus._on("switchannotationeditormode", webViewerSwitchAnnotationEditorMode); + eventBus._on("switchannotationeditorparams", webViewerSwitchAnnotationEditorParams); + eventBus._on("print", webViewerPrint); + eventBus._on("download", webViewerDownload); + eventBus._on("openinexternalapp", webViewerOpenInExternalApp); + eventBus._on("firstpage", webViewerFirstPage); + eventBus._on("lastpage", webViewerLastPage); + eventBus._on("nextpage", webViewerNextPage); + eventBus._on("previouspage", webViewerPreviousPage); + eventBus._on("zoomin", webViewerZoomIn); + eventBus._on("zoomout", webViewerZoomOut); + eventBus._on("zoomreset", webViewerZoomReset); + eventBus._on("pagenumberchanged", webViewerPageNumberChanged); + eventBus._on("scalechanged", webViewerScaleChanged); + eventBus._on("rotatecw", webViewerRotateCw); + eventBus._on("rotateccw", webViewerRotateCcw); + eventBus._on("optionalcontentconfig", webViewerOptionalContentConfig); + eventBus._on("switchscrollmode", webViewerSwitchScrollMode); + eventBus._on("scrollmodechanged", webViewerScrollModeChanged); + eventBus._on("switchspreadmode", webViewerSwitchSpreadMode); + eventBus._on("spreadmodechanged", webViewerSpreadModeChanged); + eventBus._on("documentproperties", webViewerDocumentProperties); + eventBus._on("findfromurlhash", webViewerFindFromUrlHash); + eventBus._on("updatefindmatchescount", webViewerUpdateFindMatchesCount); + eventBus._on("updatefindcontrolstate", webViewerUpdateFindControlState); + if (_app_options.AppOptions.get("pdfBug")) { + _boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug; + eventBus._on("pagerendered", _boundEvents.reportPageStatsPDFBug); + eventBus._on("pagechanging", _boundEvents.reportPageStatsPDFBug); + } + eventBus._on("fileinputchange", webViewerFileInputChange); + eventBus._on("openfile", webViewerOpenFile); + }, + bindWindowEvents() { + const { + eventBus, + _boundEvents + } = this; + + function addWindowResolutionChange(evt = null) { + if (evt) { + webViewerResolutionChange(evt); + } + const mediaQueryList = window.matchMedia(`(resolution: ${window.devicePixelRatio || 1}dppx)`); + mediaQueryList.addEventListener("change", addWindowResolutionChange, { + once: true + }); + _boundEvents.removeWindowResolutionChange ||= function () { + mediaQueryList.removeEventListener("change", addWindowResolutionChange); + _boundEvents.removeWindowResolutionChange = null; + }; + } + + addWindowResolutionChange(); + _boundEvents.windowResize = () => { + eventBus.dispatch("resize", { + source: window + }); + }; + _boundEvents.windowHashChange = () => { + eventBus.dispatch("hashchange", { + source: window, + hash: document.location.hash.substring(1) + }); + }; + _boundEvents.windowBeforePrint = () => { + eventBus.dispatch("beforeprint", { + source: window + }); + }; + _boundEvents.windowAfterPrint = () => { + eventBus.dispatch("afterprint", { + source: window + }); + }; + _boundEvents.windowUpdateFromSandbox = event => { + eventBus.dispatch("updatefromsandbox", { + source: window, + detail: event.detail + }); + }; + window.addEventListener("visibilitychange", webViewerVisibilityChange); + window.addEventListener("wheel", webViewerWheel, { + passive: false + }); + window.addEventListener("touchstart", webViewerTouchStart, { + passive: false + }); + window.addEventListener("touchmove", webViewerTouchMove, { + passive: false + }); + window.addEventListener("touchend", webViewerTouchEnd, { + passive: false + }); + window.addEventListener("click", webViewerClick); + window.addEventListener("keydown", webViewerKeyDown); + window.addEventListener("keyup", webViewerKeyUp); + window.addEventListener("resize", _boundEvents.windowResize); + window.addEventListener("hashchange", _boundEvents.windowHashChange); + window.addEventListener("beforeprint", _boundEvents.windowBeforePrint); + window.addEventListener("afterprint", _boundEvents.windowAfterPrint); + window.addEventListener("updatefromsandbox", _boundEvents.windowUpdateFromSandbox); + }, + unbindEvents() { + const { + eventBus, + _boundEvents + } = this; + eventBus._off("resize", webViewerResize); + eventBus._off("hashchange", webViewerHashchange); + eventBus._off("beforeprint", _boundEvents.beforePrint); + eventBus._off("afterprint", _boundEvents.afterPrint); + eventBus._off("pagerender", webViewerPageRender); + eventBus._off("pagerendered", webViewerPageRendered); + eventBus._off("updateviewarea", webViewerUpdateViewarea); + eventBus._off("pagechanging", webViewerPageChanging); + eventBus._off("scalechanging", webViewerScaleChanging); + eventBus._off("rotationchanging", webViewerRotationChanging); + eventBus._off("sidebarviewchanged", webViewerSidebarViewChanged); + eventBus._off("pagemode", webViewerPageMode); + eventBus._off("namedaction", webViewerNamedAction); + eventBus._off("presentationmodechanged", webViewerPresentationModeChanged); + eventBus._off("presentationmode", webViewerPresentationMode); + eventBus._off("print", webViewerPrint); + eventBus._off("download", webViewerDownload); + eventBus._off("openinexternalapp", webViewerOpenInExternalApp); + eventBus._off("firstpage", webViewerFirstPage); + eventBus._off("lastpage", webViewerLastPage); + eventBus._off("nextpage", webViewerNextPage); + eventBus._off("previouspage", webViewerPreviousPage); + eventBus._off("zoomin", webViewerZoomIn); + eventBus._off("zoomout", webViewerZoomOut); + eventBus._off("zoomreset", webViewerZoomReset); + eventBus._off("pagenumberchanged", webViewerPageNumberChanged); + eventBus._off("scalechanged", webViewerScaleChanged); + eventBus._off("rotatecw", webViewerRotateCw); + eventBus._off("rotateccw", webViewerRotateCcw); + eventBus._off("optionalcontentconfig", webViewerOptionalContentConfig); + eventBus._off("switchscrollmode", webViewerSwitchScrollMode); + eventBus._off("scrollmodechanged", webViewerScrollModeChanged); + eventBus._off("switchspreadmode", webViewerSwitchSpreadMode); + eventBus._off("spreadmodechanged", webViewerSpreadModeChanged); + eventBus._off("documentproperties", webViewerDocumentProperties); + eventBus._off("findfromurlhash", webViewerFindFromUrlHash); + eventBus._off("updatefindmatchescount", webViewerUpdateFindMatchesCount); + eventBus._off("updatefindcontrolstate", webViewerUpdateFindControlState); + if (_boundEvents.reportPageStatsPDFBug) { + eventBus._off("pagerendered", _boundEvents.reportPageStatsPDFBug); + eventBus._off("pagechanging", _boundEvents.reportPageStatsPDFBug); + _boundEvents.reportPageStatsPDFBug = null; + } + eventBus._off("fileinputchange", webViewerFileInputChange); + eventBus._off("openfile", webViewerOpenFile); + _boundEvents.beforePrint = null; + _boundEvents.afterPrint = null; + }, + unbindWindowEvents() { + const { + _boundEvents + } = this; + window.removeEventListener("visibilitychange", webViewerVisibilityChange); + window.removeEventListener("wheel", webViewerWheel, { + passive: false + }); + window.removeEventListener("touchstart", webViewerTouchStart, { + passive: false + }); + window.removeEventListener("touchmove", webViewerTouchMove, { + passive: false + }); + window.removeEventListener("touchend", webViewerTouchEnd, { + passive: false + }); + window.removeEventListener("click", webViewerClick); + window.removeEventListener("keydown", webViewerKeyDown); + window.removeEventListener("keyup", webViewerKeyUp); + window.removeEventListener("resize", _boundEvents.windowResize); + window.removeEventListener("hashchange", _boundEvents.windowHashChange); + window.removeEventListener("beforeprint", _boundEvents.windowBeforePrint); + window.removeEventListener("afterprint", _boundEvents.windowAfterPrint); + window.removeEventListener("updatefromsandbox", _boundEvents.windowUpdateFromSandbox); + _boundEvents.removeWindowResolutionChange?.(); + _boundEvents.windowResize = null; + _boundEvents.windowHashChange = null; + _boundEvents.windowBeforePrint = null; + _boundEvents.windowAfterPrint = null; + _boundEvents.windowUpdateFromSandbox = null; + }, + _accumulateTicks(ticks, prop) { + if (this[prop] > 0 && ticks < 0 || this[prop] < 0 && ticks > 0) { + this[prop] = 0; + } + this[prop] += ticks; + const wholeTicks = Math.trunc(this[prop]); + this[prop] -= wholeTicks; + return wholeTicks; + }, + _accumulateFactor(previousScale, factor, prop) { + if (factor === 1) { + return 1; + } + if (this[prop] > 1 && factor < 1 || this[prop] < 1 && factor > 1) { + this[prop] = 1; + } + const newFactor = Math.floor(previousScale * factor * this[prop] * 100) / (100 * previousScale); + this[prop] = factor / newFactor; + return newFactor; + }, + _centerAtPos(previousScale, x, y) { + const { + pdfViewer + } = this; + const scaleDiff = pdfViewer.currentScale / previousScale - 1; + if (scaleDiff !== 0) { + const [top, left] = pdfViewer.containerTopLeft; + pdfViewer.container.scrollLeft += (x - left) * scaleDiff; + pdfViewer.container.scrollTop += (y - top) * scaleDiff; + } + }, + _unblockDocumentLoadEvent() { + document.blockUnblockOnload?.(false); + this._unblockDocumentLoadEvent = () => { + }; + }, + get scriptingReady() { + return this.pdfScriptingManager.ready; + } + }; + exports.PDFViewerApplication = PDFViewerApplication; + { + const HOSTED_VIEWER_ORIGINS = ["null", "http://mozilla.github.io", "https://mozilla.github.io"]; + var validateFileURL = function (file) { + if (!file) { + return; + } + try { + const viewerOrigin = new URL(window.location.href).origin || "null"; + if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) { + return; + } + const fileOrigin = new URL(file, window.location.href).origin; + if (fileOrigin !== viewerOrigin) { + throw new Error("file origin does not match viewer's"); + } + } catch (ex) { + PDFViewerApplication.l10n.get("loading_error").then(msg => { + PDFViewerApplication._documentError(msg, { + message: ex?.message + }); + }); + throw ex; + } + }; + } + + async function loadFakeWorker() { + _pdfjsLib.GlobalWorkerOptions.workerSrc ||= _app_options.AppOptions.get("workerSrc"); + await (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.workerSrc); + } + + async function loadPDFBug(self) { + const { + debuggerScriptPath + } = self.appConfig; + const { + PDFBug + } = await import(debuggerScriptPath); + self._PDFBug = PDFBug; + } + + function reportPageStatsPDFBug({ + pageNumber + }) { + if (!globalThis.Stats?.enabled) { + return; + } + const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); + globalThis.Stats.add(pageNumber, pageView?.pdfPage?.stats); + } + + function webViewerPageRender({ + pageNumber + }) { + if (pageNumber === PDFViewerApplication.page) { + PDFViewerApplication.toolbar?.updateLoadingIndicatorState(true); + } + } + + function webViewerPageRendered({ + pageNumber, + error + }) { + if (pageNumber === PDFViewerApplication.page) { + PDFViewerApplication.toolbar?.updateLoadingIndicatorState(false); + } + if (PDFViewerApplication.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS) { + const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); + const thumbnailView = PDFViewerApplication.pdfThumbnailViewer?.getThumbnail(pageNumber - 1); + if (pageView) { + thumbnailView?.setImage(pageView); + } + } + if (error) { + PDFViewerApplication.l10n.get("rendering_error").then(msg => { + PDFViewerApplication._otherError(msg, error); + }); + } + } + + function webViewerPageMode({ + mode + }) { + let view; + switch (mode) { + case "thumbs": + view = _ui_utils.SidebarView.THUMBS; + break; + case "bookmarks": + case "outline": + view = _ui_utils.SidebarView.OUTLINE; + break; + case "attachments": + view = _ui_utils.SidebarView.ATTACHMENTS; + break; + case "layers": + view = _ui_utils.SidebarView.LAYERS; + break; + case "none": + view = _ui_utils.SidebarView.NONE; + break; + default: + console.error('Invalid "pagemode" hash parameter: ' + mode); + return; + } + PDFViewerApplication.pdfSidebar?.switchView(view, true); + } + + function webViewerNamedAction(evt) { + switch (evt.action) { + case "GoToPage": + PDFViewerApplication.appConfig.toolbar?.pageNumber.select(); + break; + case "Find": + if (!PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication?.findBar.toggle(); + } + break; + case "Print": + PDFViewerApplication.triggerPrinting(); + break; + case "SaveAs": + PDFViewerApplication.downloadOrSave(); + break; + } + } + + function webViewerPresentationModeChanged(evt) { + PDFViewerApplication.pdfViewer.presentationModeState = evt.state; + } + + function webViewerSidebarViewChanged({ + view + }) { + PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = view === _ui_utils.SidebarView.THUMBS; + if (PDFViewerApplication.isInitialViewSet) { + PDFViewerApplication.store?.set("sidebarView", view).catch(() => { + }); + } + } + + function webViewerUpdateViewarea({ + location + }) { + if (PDFViewerApplication.isInitialViewSet) { + PDFViewerApplication.store?.setMultiple({ + page: location.pageNumber, + zoom: location.scale, + scrollLeft: location.left, + scrollTop: location.top, + rotation: location.rotation + }).catch(() => { + }); + } + if (PDFViewerApplication.appConfig.secondaryToolbar) { + const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams); + PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href; + } + } + + function webViewerScrollModeChanged(evt) { + if (PDFViewerApplication.isInitialViewSet && !PDFViewerApplication.pdfViewer.isInPresentationMode) { + PDFViewerApplication.store?.set("scrollMode", evt.mode).catch(() => { + }); + } + } + + function webViewerSpreadModeChanged(evt) { + if (PDFViewerApplication.isInitialViewSet && !PDFViewerApplication.pdfViewer.isInPresentationMode) { + PDFViewerApplication.store?.set("spreadMode", evt.mode).catch(() => { + }); + } + } + + function webViewerResize() { + const { + pdfDocument, + pdfViewer, + pdfRenderingQueue + } = PDFViewerApplication; + if (pdfRenderingQueue.printing && window.matchMedia("print").matches) { + return; + } + if (!pdfDocument) { + return; + } + const currentScaleValue = pdfViewer.currentScaleValue; + if (currentScaleValue === "auto" || currentScaleValue === "page-fit" || currentScaleValue === "page-width") { + pdfViewer.currentScaleValue = currentScaleValue; + } + pdfViewer.update(); + } + + function webViewerHashchange(evt) { + const hash = evt.hash; + if (!hash) { + return; + } + if (!PDFViewerApplication.isInitialViewSet) { + PDFViewerApplication.initialBookmark = hash; + } else if (!PDFViewerApplication.pdfHistory?.popStateInProgress) { + PDFViewerApplication.pdfLinkService.setHash(hash); + } + } + + { + var webViewerFileInputChange = function (evt) { + if (PDFViewerApplication.pdfViewer?.isInPresentationMode) { + return; + } + const file = evt.fileInput.files[0]; + PDFViewerApplication.open({ + url: URL.createObjectURL(file), + originalUrl: file.name + }); + }; + var webViewerOpenFile = function (evt) { + const fileInput = PDFViewerApplication.appConfig.openFileInput; + fileInput.click(); + }; + } + + function webViewerPresentationMode() { + PDFViewerApplication.requestPresentationMode(); + } + + function webViewerSwitchAnnotationEditorMode(evt) { + PDFViewerApplication.pdfViewer.annotationEditorMode = evt; + } + + function webViewerSwitchAnnotationEditorParams(evt) { + PDFViewerApplication.pdfViewer.annotationEditorParams = evt; + } + + function webViewerPrint() { + PDFViewerApplication.triggerPrinting(); + } + + function webViewerDownload() { + PDFViewerApplication.downloadOrSave(); + } + + function webViewerOpenInExternalApp() { + PDFViewerApplication.openInExternalApp(); + } + + function webViewerFirstPage() { + PDFViewerApplication.page = 1; + } + + function webViewerLastPage() { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; + } + + function webViewerNextPage() { + PDFViewerApplication.pdfViewer.nextPage(); + } + + function webViewerPreviousPage() { + PDFViewerApplication.pdfViewer.previousPage(); + } + + function webViewerZoomIn() { + PDFViewerApplication.zoomIn(); + } + + function webViewerZoomOut() { + PDFViewerApplication.zoomOut(); + } + + function webViewerZoomReset() { + PDFViewerApplication.zoomReset(); + } + + function webViewerPageNumberChanged(evt) { + const pdfViewer = PDFViewerApplication.pdfViewer; + if (evt.value !== "") { + PDFViewerApplication.pdfLinkService.goToPage(evt.value); + } + if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) { + PDFViewerApplication.toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel); + } + } + + function webViewerScaleChanged(evt) { + PDFViewerApplication.pdfViewer.currentScaleValue = evt.value; + } + + function webViewerRotateCw() { + PDFViewerApplication.rotatePages(90); + } + + function webViewerRotateCcw() { + PDFViewerApplication.rotatePages(-90); + } + + function webViewerOptionalContentConfig(evt) { + PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise; + } + + function webViewerSwitchScrollMode(evt) { + PDFViewerApplication.pdfViewer.scrollMode = evt.mode; + } + + function webViewerSwitchSpreadMode(evt) { + PDFViewerApplication.pdfViewer.spreadMode = evt.mode; + } + + function webViewerDocumentProperties() { + PDFViewerApplication.pdfDocumentProperties?.open(); + } + + function webViewerFindFromUrlHash(evt) { + PDFViewerApplication.eventBus.dispatch("find", { + source: evt.source, + type: "", + query: evt.query, + caseSensitive: false, + entireWord: false, + highlightAll: true, + findPrevious: false, + matchDiacritics: true + }); + } + + function webViewerUpdateFindMatchesCount({ + matchesCount + }) { + if (PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount); + } else { + PDFViewerApplication.findBar.updateResultsCount(matchesCount); + } + } + + function webViewerUpdateFindControlState({ + state, + previous, + matchesCount, + rawQuery + }) { + if (PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication.externalServices.updateFindControlState({ + result: state, + findPrevious: previous, + matchesCount, + rawQuery + }); + } else { + PDFViewerApplication.findBar?.updateUIState(state, previous, matchesCount); + } + } + + function webViewerScaleChanging(evt) { + PDFViewerApplication.toolbar?.setPageScale(evt.presetValue, evt.scale); + PDFViewerApplication.pdfViewer.update(); + } + + function webViewerRotationChanging(evt) { + if (PDFViewerApplication.pdfThumbnailViewer) { + PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation; + } + PDFViewerApplication.forceRendering(); + PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber; + } + + function webViewerPageChanging({ + pageNumber, + pageLabel + }) { + PDFViewerApplication.toolbar?.setPageNumber(pageNumber, pageLabel); + PDFViewerApplication.secondaryToolbar?.setPageNumber(pageNumber); + if (PDFViewerApplication.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS) { + PDFViewerApplication.pdfThumbnailViewer?.scrollThumbnailIntoView(pageNumber); + } + const currentPage = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); + PDFViewerApplication.toolbar?.updateLoadingIndicatorState(currentPage?.renderingState === _ui_utils.RenderingStates.RUNNING); + } + + function webViewerResolutionChange(evt) { + PDFViewerApplication.pdfViewer.refresh(); + } + + function webViewerVisibilityChange(evt) { + if (document.visibilityState === "visible") { + setZoomDisabledTimeout(); + } + } + + let zoomDisabledTimeout = null; + + function setZoomDisabledTimeout() { + if (zoomDisabledTimeout) { + clearTimeout(zoomDisabledTimeout); + } + zoomDisabledTimeout = setTimeout(function () { + zoomDisabledTimeout = null; + }, WHEEL_ZOOM_DISABLED_TIMEOUT); + } + + function webViewerWheel(evt) { + const { + pdfViewer, + supportedMouseWheelZoomModifierKeys, + supportsPinchToZoom + } = PDFViewerApplication; + if (pdfViewer.isInPresentationMode) { + return; + } + const deltaMode = evt.deltaMode; + let scaleFactor = Math.exp(-evt.deltaY / 100); + const isBuiltInMac = false; + const isPinchToZoom = evt.ctrlKey && !PDFViewerApplication._isCtrlKeyDown && deltaMode === WheelEvent.DOM_DELTA_PIXEL && evt.deltaX === 0 && (Math.abs(scaleFactor - 1) < 0.05 || isBuiltInMac) && evt.deltaZ === 0; + if (isPinchToZoom || evt.ctrlKey && supportedMouseWheelZoomModifierKeys.ctrlKey || evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey) { + evt.preventDefault(); + if (zoomDisabledTimeout || document.visibilityState === "hidden" || PDFViewerApplication.overlayManager.active) { + return; + } + const previousScale = pdfViewer.currentScale; + if (isPinchToZoom && supportsPinchToZoom) { + scaleFactor = PDFViewerApplication._accumulateFactor(previousScale, scaleFactor, "_wheelUnusedFactor"); + if (scaleFactor < 1) { + PDFViewerApplication.zoomOut(null, scaleFactor); + } else if (scaleFactor > 1) { + PDFViewerApplication.zoomIn(null, scaleFactor); + } else { + return; + } + } else { + const delta = (0, _ui_utils.normalizeWheelEventDirection)(evt); + let ticks = 0; + if (deltaMode === WheelEvent.DOM_DELTA_LINE || deltaMode === WheelEvent.DOM_DELTA_PAGE) { + if (Math.abs(delta) >= 1) { + ticks = Math.sign(delta); + } else { + ticks = PDFViewerApplication._accumulateTicks(delta, "_wheelUnusedTicks"); + } + } else { + const PIXELS_PER_LINE_SCALE = 30; + ticks = PDFViewerApplication._accumulateTicks(delta / PIXELS_PER_LINE_SCALE, "_wheelUnusedTicks"); + } + if (ticks < 0) { + PDFViewerApplication.zoomOut(-ticks); + } else if (ticks > 0) { + PDFViewerApplication.zoomIn(ticks); + } else { + return; + } + } + PDFViewerApplication._centerAtPos(previousScale, evt.clientX, evt.clientY); + } else { + setZoomDisabledTimeout(); + } + } + + function webViewerTouchStart(evt) { + if (PDFViewerApplication.pdfViewer.isInPresentationMode || evt.touches.length < 2) { + return; + } + evt.preventDefault(); + if (evt.touches.length !== 2 || PDFViewerApplication.overlayManager.active) { + PDFViewerApplication._touchInfo = null; + return; + } + let [touch0, touch1] = evt.touches; + if (touch0.identifier > touch1.identifier) { + [touch0, touch1] = [touch1, touch0]; + } + PDFViewerApplication._touchInfo = { + touch0X: touch0.pageX, + touch0Y: touch0.pageY, + touch1X: touch1.pageX, + touch1Y: touch1.pageY + }; + } + + function webViewerTouchMove(evt) { + if (!PDFViewerApplication._touchInfo || evt.touches.length !== 2) { + return; + } + const { + pdfViewer, + _touchInfo, + supportsPinchToZoom + } = PDFViewerApplication; + let [touch0, touch1] = evt.touches; + if (touch0.identifier > touch1.identifier) { + [touch0, touch1] = [touch1, touch0]; + } + const { + pageX: page0X, + pageY: page0Y + } = touch0; + const { + pageX: page1X, + pageY: page1Y + } = touch1; + const { + touch0X: pTouch0X, + touch0Y: pTouch0Y, + touch1X: pTouch1X, + touch1Y: pTouch1Y + } = _touchInfo; + if (Math.abs(pTouch0X - page0X) <= 1 && Math.abs(pTouch0Y - page0Y) <= 1 && Math.abs(pTouch1X - page1X) <= 1 && Math.abs(pTouch1Y - page1Y) <= 1) { + return; + } + _touchInfo.touch0X = page0X; + _touchInfo.touch0Y = page0Y; + _touchInfo.touch1X = page1X; + _touchInfo.touch1Y = page1Y; + if (pTouch0X === page0X && pTouch0Y === page0Y) { + const v1X = pTouch1X - page0X; + const v1Y = pTouch1Y - page0Y; + const v2X = page1X - page0X; + const v2Y = page1Y - page0Y; + const det = v1X * v2Y - v1Y * v2X; + if (Math.abs(det) > 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)) { + return; + } + } else if (pTouch1X === page1X && pTouch1Y === page1Y) { + const v1X = pTouch0X - page1X; + const v1Y = pTouch0Y - page1Y; + const v2X = page0X - page1X; + const v2Y = page0Y - page1Y; + const det = v1X * v2Y - v1Y * v2X; + if (Math.abs(det) > 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)) { + return; + } + } else { + const diff0X = page0X - pTouch0X; + const diff1X = page1X - pTouch1X; + const diff0Y = page0Y - pTouch0Y; + const diff1Y = page1Y - pTouch1Y; + const dotProduct = diff0X * diff1X + diff0Y * diff1Y; + if (dotProduct >= 0) { + return; + } + } + evt.preventDefault(); + const distance = Math.hypot(page0X - page1X, page0Y - page1Y) || 1; + const pDistance = Math.hypot(pTouch0X - pTouch1X, pTouch0Y - pTouch1Y) || 1; + const previousScale = pdfViewer.currentScale; + if (supportsPinchToZoom) { + const newScaleFactor = PDFViewerApplication._accumulateFactor(previousScale, distance / pDistance, "_touchUnusedFactor"); + if (newScaleFactor < 1) { + PDFViewerApplication.zoomOut(null, newScaleFactor); + } else if (newScaleFactor > 1) { + PDFViewerApplication.zoomIn(null, newScaleFactor); + } else { + return; + } + } else { + const PIXELS_PER_LINE_SCALE = 30; + const ticks = PDFViewerApplication._accumulateTicks((distance - pDistance) / PIXELS_PER_LINE_SCALE, "_touchUnusedTicks"); + if (ticks < 0) { + PDFViewerApplication.zoomOut(-ticks); + } else if (ticks > 0) { + PDFViewerApplication.zoomIn(ticks); + } else { + return; + } + } + PDFViewerApplication._centerAtPos(previousScale, (page0X + page1X) / 2, (page0Y + page1Y) / 2); + } + + function webViewerTouchEnd(evt) { + if (!PDFViewerApplication._touchInfo) { + return; + } + evt.preventDefault(); + PDFViewerApplication._touchInfo = null; + PDFViewerApplication._touchUnusedTicks = 0; + PDFViewerApplication._touchUnusedFactor = 1; + } + + function webViewerClick(evt) { + if (!PDFViewerApplication.secondaryToolbar?.isOpen) { + return; + } + const appConfig = PDFViewerApplication.appConfig; + if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar?.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar?.toggleButton) { + PDFViewerApplication.secondaryToolbar.close(); + } + } + + function webViewerKeyUp(evt) { + if (evt.key === "Control") { + PDFViewerApplication._isCtrlKeyDown = false; + } + } + + function webViewerKeyDown(evt) { + PDFViewerApplication._isCtrlKeyDown = evt.key === "Control"; + if (PDFViewerApplication.overlayManager.active) { + return; + } + const { + eventBus, + pdfViewer + } = PDFViewerApplication; + const isViewerInPresentationMode = pdfViewer.isInPresentationMode; + let handled = false, + ensureViewerFocused = false; + const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0); + if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) { + switch (evt.keyCode) { + case 70: + if (!PDFViewerApplication.supportsIntegratedFind && !evt.shiftKey) { + PDFViewerApplication.findBar?.open(); + handled = true; + } + break; + case 71: + if (!PDFViewerApplication.supportsIntegratedFind) { + const { + state + } = PDFViewerApplication.findController; + if (state) { + const newState = { + source: window, + type: "again", + findPrevious: cmd === 5 || cmd === 12 + }; + eventBus.dispatch("find", { + ...state, + ...newState + }); + } + handled = true; + } + break; + case 61: + case 107: + case 187: + case 171: + PDFViewerApplication.zoomIn(); + handled = true; + break; + case 173: + case 109: + case 189: + PDFViewerApplication.zoomOut(); + handled = true; + break; + case 48: + case 96: + if (!isViewerInPresentationMode) { + setTimeout(function () { + PDFViewerApplication.zoomReset(); + }); + handled = false; + } + break; + case 38: + if (isViewerInPresentationMode || PDFViewerApplication.page > 1) { + PDFViewerApplication.page = 1; + handled = true; + ensureViewerFocused = true; + } + break; + case 40: + if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; + handled = true; + ensureViewerFocused = true; + } + break; + } + } + if (cmd === 1 || cmd === 8) { + switch (evt.keyCode) { + case 83: + eventBus.dispatch("download", { + source: window + }); + handled = true; + break; + case 79: { + eventBus.dispatch("openfile", { + source: window + }); + handled = true; + } + break; + } + } + if (cmd === 3 || cmd === 10) { + switch (evt.keyCode) { + case 80: + PDFViewerApplication.requestPresentationMode(); + handled = true; + PDFViewerApplication.externalServices.reportTelemetry({ + type: "buttons", + data: { + id: "presentationModeKeyboard" + } + }); + break; + case 71: + if (PDFViewerApplication.appConfig.toolbar) { + PDFViewerApplication.appConfig.toolbar.pageNumber.select(); + handled = true; + } + break; + } + } + if (handled) { + if (ensureViewerFocused && !isViewerInPresentationMode) { + pdfViewer.focus(); + } + evt.preventDefault(); + return; + } + const curElement = (0, _ui_utils.getActiveOrFocusedElement)(); + const curElementTagName = curElement?.tagName.toUpperCase(); + if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElement?.isContentEditable) { + if (evt.keyCode !== 27) { + return; + } + } + if (cmd === 0) { + let turnPage = 0, + turnOnlyIfPageFit = false; + switch (evt.keyCode) { + case 38: + case 33: + if (pdfViewer.isVerticalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + turnPage = -1; + break; + case 8: + if (!isViewerInPresentationMode) { + turnOnlyIfPageFit = true; + } + turnPage = -1; + break; + case 37: + if (pdfViewer.isHorizontalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + case 75: + case 80: + turnPage = -1; + break; + case 27: + if (PDFViewerApplication.secondaryToolbar?.isOpen) { + PDFViewerApplication.secondaryToolbar.close(); + handled = true; + } + if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar?.opened) { + PDFViewerApplication.findBar.close(); + handled = true; + } + break; + case 40: + case 34: + if (pdfViewer.isVerticalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + turnPage = 1; + break; + case 13: + case 32: + if (!isViewerInPresentationMode) { + turnOnlyIfPageFit = true; + } + turnPage = 1; + break; + case 39: + if (pdfViewer.isHorizontalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + case 74: + case 78: + turnPage = 1; + break; + case 36: + if (isViewerInPresentationMode || PDFViewerApplication.page > 1) { + PDFViewerApplication.page = 1; + handled = true; + ensureViewerFocused = true; + } + break; + case 35: + if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; + handled = true; + ensureViewerFocused = true; + } + break; + case 83: + PDFViewerApplication.pdfCursorTools?.switchTool(_ui_utils.CursorTool.SELECT); + break; + case 72: + PDFViewerApplication.pdfCursorTools?.switchTool(_ui_utils.CursorTool.HAND); + break; + case 82: + PDFViewerApplication.rotatePages(90); + break; + case 115: + PDFViewerApplication.pdfSidebar?.toggle(); + break; + } + if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")) { + if (turnPage > 0) { + pdfViewer.nextPage(); + } else { + pdfViewer.previousPage(); + } + handled = true; + } + } + if (cmd === 4) { + switch (evt.keyCode) { + case 13: + case 32: + if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") { + break; + } + pdfViewer.previousPage(); + handled = true; + break; + case 82: + PDFViewerApplication.rotatePages(-90); + break; + } + } + if (!handled && !isViewerInPresentationMode) { + if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== "BUTTON") { + ensureViewerFocused = true; + } + } + if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) { + pdfViewer.focus(); + } + if (handled) { + evt.preventDefault(); + } + } + + function beforeUnload(evt) { + evt.preventDefault(); + evt.returnValue = ""; + return false; + } + + function webViewerAnnotationEditorStatesChanged(data) { + PDFViewerApplication.externalServices.updateEditorStates(data); + } + + function webViewerReportTelemetry({ + details + }) { + PDFViewerApplication.externalServices.reportTelemetry(details); + } + + const PDFPrintServiceFactory = { + instance: { + supportsPrinting: false, + createPrintService() { + throw new Error("Not implemented: createPrintService"); + } + } + }; + exports.PDFPrintServiceFactory = PDFPrintServiceFactory; + + /***/ + }), + /* 3 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.animationStarted = exports.VERTICAL_PADDING = exports.UNKNOWN_SCALE = exports.TextLayerMode = exports.SpreadMode = exports.SidebarView = exports.ScrollMode = exports.SCROLLBAR_PADDING = exports.RenderingStates = exports.ProgressBar = exports.PresentationModeState = exports.OutputScale = exports.MIN_SCALE = exports.MAX_SCALE = exports.MAX_AUTO_SCALE = exports.DEFAULT_SCALE_VALUE = exports.DEFAULT_SCALE_DELTA = exports.DEFAULT_SCALE = exports.CursorTool = exports.AutoPrintRegExp = void 0; + exports.apiPageLayoutToViewerModes = apiPageLayoutToViewerModes; + exports.apiPageModeToSidebarView = apiPageModeToSidebarView; + exports.approximateFraction = approximateFraction; + exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements; + exports.binarySearchFirstItem = binarySearchFirstItem; + exports.docStyle = void 0; + exports.getActiveOrFocusedElement = getActiveOrFocusedElement; + exports.getPageSizeInches = getPageSizeInches; + exports.getVisibleElements = getVisibleElements; + exports.isPortraitOrientation = isPortraitOrientation; + exports.isValidRotation = isValidRotation; + exports.isValidScrollMode = isValidScrollMode; + exports.isValidSpreadMode = isValidSpreadMode; + exports.normalizeWheelEventDelta = normalizeWheelEventDelta; + exports.normalizeWheelEventDirection = normalizeWheelEventDirection; + exports.parseQueryString = parseQueryString; + exports.removeNullCharacters = removeNullCharacters; + exports.roundToDivide = roundToDivide; + exports.scrollIntoView = scrollIntoView; + exports.toggleCheckedBtn = toggleCheckedBtn; + exports.toggleExpandedBtn = toggleExpandedBtn; + exports.watchScroll = watchScroll; + const DEFAULT_SCALE_VALUE = "auto"; + exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE; + const DEFAULT_SCALE = 1.0; + exports.DEFAULT_SCALE = DEFAULT_SCALE; + const DEFAULT_SCALE_DELTA = 1.1; + exports.DEFAULT_SCALE_DELTA = DEFAULT_SCALE_DELTA; + const MIN_SCALE = 0.1; + exports.MIN_SCALE = MIN_SCALE; + const MAX_SCALE = 10.0; + exports.MAX_SCALE = MAX_SCALE; + const UNKNOWN_SCALE = 0; + exports.UNKNOWN_SCALE = UNKNOWN_SCALE; + const MAX_AUTO_SCALE = 1.25; + exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE; + const SCROLLBAR_PADDING = 40; + exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING; + const VERTICAL_PADDING = 5; + exports.VERTICAL_PADDING = VERTICAL_PADDING; + const RenderingStates = { + INITIAL: 0, + RUNNING: 1, + PAUSED: 2, + FINISHED: 3 + }; + exports.RenderingStates = RenderingStates; + const PresentationModeState = { + UNKNOWN: 0, + NORMAL: 1, + CHANGING: 2, + FULLSCREEN: 3 + }; + exports.PresentationModeState = PresentationModeState; + const SidebarView = { + UNKNOWN: -1, + NONE: 0, + THUMBS: 1, + OUTLINE: 2, + ATTACHMENTS: 3, + LAYERS: 4 + }; + exports.SidebarView = SidebarView; + const TextLayerMode = { + DISABLE: 0, + ENABLE: 1, + ENABLE_PERMISSIONS: 2 + }; + exports.TextLayerMode = TextLayerMode; + const ScrollMode = { + UNKNOWN: -1, + VERTICAL: 0, + HORIZONTAL: 1, + WRAPPED: 2, + PAGE: 3 + }; + exports.ScrollMode = ScrollMode; + const SpreadMode = { + UNKNOWN: -1, + NONE: 0, + ODD: 1, + EVEN: 2 + }; + exports.SpreadMode = SpreadMode; + const CursorTool = { + SELECT: 0, + HAND: 1, + ZOOM: 2 + }; + exports.CursorTool = CursorTool; + const AutoPrintRegExp = /\bprint\s*\(/; + exports.AutoPrintRegExp = AutoPrintRegExp; + + class OutputScale { + constructor() { + const pixelRatio = window.devicePixelRatio || 1; + this.sx = pixelRatio; + this.sy = pixelRatio; + } + + get scaled() { + return this.sx !== 1 || this.sy !== 1; + } + } + + exports.OutputScale = OutputScale; + + function scrollIntoView(element, spot, scrollMatches = false) { + let parent = element.offsetParent; + if (!parent) { + console.error("offsetParent is not set -- cannot scroll"); + return; + } + let offsetY = element.offsetTop + element.clientTop; + let offsetX = element.offsetLeft + element.clientLeft; + while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || scrollMatches && (parent.classList.contains("markedContent") || getComputedStyle(parent).overflow === "hidden")) { + offsetY += parent.offsetTop; + offsetX += parent.offsetLeft; + parent = parent.offsetParent; + if (!parent) { + return; + } + } + if (spot) { + if (spot.top !== undefined) { + offsetY += spot.top; + } + if (spot.left !== undefined) { + offsetX += spot.left; + parent.scrollLeft = offsetX; + } + } + parent.scrollTop = offsetY; + } + + function watchScroll(viewAreaElement, callback) { + const debounceScroll = function (evt) { + if (rAF) { + return; + } + rAF = window.requestAnimationFrame(function viewAreaElementScrolled() { + rAF = null; + const currentX = viewAreaElement.scrollLeft; + const lastX = state.lastX; + if (currentX !== lastX) { + state.right = currentX > lastX; + } + state.lastX = currentX; + const currentY = viewAreaElement.scrollTop; + const lastY = state.lastY; + if (currentY !== lastY) { + state.down = currentY > lastY; + } + state.lastY = currentY; + callback(state); + }); + }; + const state = { + right: true, + down: true, + lastX: viewAreaElement.scrollLeft, + lastY: viewAreaElement.scrollTop, + _eventHandler: debounceScroll + }; + let rAF = null; + viewAreaElement.addEventListener("scroll", debounceScroll, true); + return state; + } + + function parseQueryString(query) { + const params = new Map(); + for (const [key, value] of new URLSearchParams(query)) { + params.set(key.toLowerCase(), value); + } + return params; + } + + const InvisibleCharactersRegExp = /[\x01-\x1F]/g; + + function removeNullCharacters(str, replaceInvisible = false) { + if (typeof str !== "string") { + console.error(`The argument must be a string.`); + return str; + } + if (replaceInvisible) { + str = str.replaceAll(InvisibleCharactersRegExp, " "); + } + return str.replaceAll("\x00", ""); + } + + function binarySearchFirstItem(items, condition, start = 0) { + let minIndex = start; + let maxIndex = items.length - 1; + if (maxIndex < 0 || !condition(items[maxIndex])) { + return items.length; + } + if (condition(items[minIndex])) { + return minIndex; + } + while (minIndex < maxIndex) { + const currentIndex = minIndex + maxIndex >> 1; + const currentItem = items[currentIndex]; + if (condition(currentItem)) { + maxIndex = currentIndex; + } else { + minIndex = currentIndex + 1; + } + } + return minIndex; + } + + function approximateFraction(x) { + if (Math.floor(x) === x) { + return [x, 1]; + } + const xinv = 1 / x; + const limit = 8; + if (xinv > limit) { + return [1, limit]; + } else if (Math.floor(xinv) === xinv) { + return [1, xinv]; + } + const x_ = x > 1 ? xinv : x; + let a = 0, + b = 1, + c = 1, + d = 1; + while (true) { + const p = a + c, + q = b + d; + if (q > limit) { + break; + } + if (x_ <= p / q) { + c = p; + d = q; + } else { + a = p; + b = q; + } + } + let result; + if (x_ - a / b < c / d - x_) { + result = x_ === x ? [a, b] : [b, a]; + } else { + result = x_ === x ? [c, d] : [d, c]; + } + return result; + } + + function roundToDivide(x, div) { + const r = x % div; + return r === 0 ? x : Math.round(x - r + div); + } + + function getPageSizeInches({ + view, + userUnit, + rotate + }) { + const [x1, y1, x2, y2] = view; + const changeOrientation = rotate % 180 !== 0; + const width = (x2 - x1) / 72 * userUnit; + const height = (y2 - y1) / 72 * userUnit; + return { + width: changeOrientation ? height : width, + height: changeOrientation ? width : height + }; + } + + function backtrackBeforeAllVisibleElements(index, views, top) { + if (index < 2) { + return index; + } + let elt = views[index].div; + let pageTop = elt.offsetTop + elt.clientTop; + if (pageTop >= top) { + elt = views[index - 1].div; + pageTop = elt.offsetTop + elt.clientTop; + } + for (let i = index - 2; i >= 0; --i) { + elt = views[i].div; + if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) { + break; + } + index = i; + } + return index; + } + + function getVisibleElements({ + scrollEl, + views, + sortByVisibility = false, + horizontal = false, + rtl = false + }) { + const top = scrollEl.scrollTop, + bottom = top + scrollEl.clientHeight; + const left = scrollEl.scrollLeft, + right = left + scrollEl.clientWidth; + + function isElementBottomAfterViewTop(view) { + const element = view.div; + const elementBottom = element.offsetTop + element.clientTop + element.clientHeight; + return elementBottom > top; + } + + function isElementNextAfterViewHorizontally(view) { + const element = view.div; + const elementLeft = element.offsetLeft + element.clientLeft; + const elementRight = elementLeft + element.clientWidth; + return rtl ? elementLeft < right : elementRight > left; + } + + const visible = [], + ids = new Set(), + numViews = views.length; + let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop); + if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) { + firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top); + } + let lastEdge = horizontal ? right : -1; + for (let i = firstVisibleElementInd; i < numViews; i++) { + const view = views[i], + element = view.div; + const currentWidth = element.offsetLeft + element.clientLeft; + const currentHeight = element.offsetTop + element.clientTop; + const viewWidth = element.clientWidth, + viewHeight = element.clientHeight; + const viewRight = currentWidth + viewWidth; + const viewBottom = currentHeight + viewHeight; + if (lastEdge === -1) { + if (viewBottom >= bottom) { + lastEdge = viewBottom; + } + } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) { + break; + } + if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) { + continue; + } + const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom); + const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right); + const fractionHeight = (viewHeight - hiddenHeight) / viewHeight, + fractionWidth = (viewWidth - hiddenWidth) / viewWidth; + const percent = fractionHeight * fractionWidth * 100 | 0; + visible.push({ + id: view.id, + x: currentWidth, + y: currentHeight, + view, + percent, + widthPercent: fractionWidth * 100 | 0 + }); + ids.add(view.id); + } + const first = visible[0], + last = visible.at(-1); + if (sortByVisibility) { + visible.sort(function (a, b) { + const pc = a.percent - b.percent; + if (Math.abs(pc) > 0.001) { + return -pc; + } + return a.id - b.id; + }); + } + return { + first, + last, + views: visible, + ids + }; + } + + function normalizeWheelEventDirection(evt) { + let delta = Math.hypot(evt.deltaX, evt.deltaY); + const angle = Math.atan2(evt.deltaY, evt.deltaX); + if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) { + delta = -delta; + } + return delta; + } + + function normalizeWheelEventDelta(evt) { + const deltaMode = evt.deltaMode; + let delta = normalizeWheelEventDirection(evt); + const MOUSE_PIXELS_PER_LINE = 30; + const MOUSE_LINES_PER_PAGE = 30; + if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) { + delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE; + } else if (deltaMode === WheelEvent.DOM_DELTA_LINE) { + delta /= MOUSE_LINES_PER_PAGE; + } + return delta; + } + + function isValidRotation(angle) { + return Number.isInteger(angle) && angle % 90 === 0; + } + + function isValidScrollMode(mode) { + return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN; + } + + function isValidSpreadMode(mode) { + return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN; + } + + function isPortraitOrientation(size) { + return size.width <= size.height; + } + + const animationStarted = new Promise(function (resolve) { + window.requestAnimationFrame(resolve); + }); + exports.animationStarted = animationStarted; + const docStyle = document.documentElement.style; + exports.docStyle = docStyle; + + function clamp(v, min, max) { + return Math.min(Math.max(v, min), max); + } + + class ProgressBar { + #classList = null; + #disableAutoFetchTimeout = null; + #percent = 0; + #style = null; + #visible = true; + + constructor(bar) { + this.#classList = bar.classList; + this.#style = bar.style; + } + + get percent() { + return this.#percent; + } + + set percent(val) { + this.#percent = clamp(val, 0, 100); + if (isNaN(val)) { + this.#classList.add("indeterminate"); + return; + } + this.#classList.remove("indeterminate"); + this.#style.setProperty("--progressBar-percent", `${this.#percent}%`); + } + + setWidth(viewer) { + if (!viewer) { + return; + } + const container = viewer.parentNode; + const scrollbarWidth = container.offsetWidth - viewer.offsetWidth; + if (scrollbarWidth > 0) { + this.#style.setProperty("--progressBar-end-offset", `${scrollbarWidth}px`); + } + } + + setDisableAutoFetch(delay = 5000) { + if (isNaN(this.#percent)) { + return; + } + if (this.#disableAutoFetchTimeout) { + clearTimeout(this.#disableAutoFetchTimeout); + } + this.show(); + this.#disableAutoFetchTimeout = setTimeout(() => { + this.#disableAutoFetchTimeout = null; + this.hide(); + }, delay); + } + + hide() { + if (!this.#visible) { + return; + } + this.#visible = false; + this.#classList.add("hidden"); + } + + show() { + if (this.#visible) { + return; + } + this.#visible = true; + this.#classList.remove("hidden"); + } + } + + exports.ProgressBar = ProgressBar; + + function getActiveOrFocusedElement() { + let curRoot = document; + let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus"); + while (curActiveOrFocused?.shadowRoot) { + curRoot = curActiveOrFocused.shadowRoot; + curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus"); + } + return curActiveOrFocused; + } + + function apiPageLayoutToViewerModes(layout) { + let scrollMode = ScrollMode.VERTICAL, + spreadMode = SpreadMode.NONE; + switch (layout) { + case "SinglePage": + scrollMode = ScrollMode.PAGE; + break; + case "OneColumn": + break; + case "TwoPageLeft": + scrollMode = ScrollMode.PAGE; + case "TwoColumnLeft": + spreadMode = SpreadMode.ODD; + break; + case "TwoPageRight": + scrollMode = ScrollMode.PAGE; + case "TwoColumnRight": + spreadMode = SpreadMode.EVEN; + break; + } + return { + scrollMode, + spreadMode + }; + } + + function apiPageModeToSidebarView(mode) { + switch (mode) { + case "UseNone": + return SidebarView.NONE; + case "UseThumbs": + return SidebarView.THUMBS; + case "UseOutlines": + return SidebarView.OUTLINE; + case "UseAttachments": + return SidebarView.ATTACHMENTS; + case "UseOC": + return SidebarView.LAYERS; + } + return SidebarView.NONE; + } + + function toggleCheckedBtn(button, toggle, view = null) { + button.classList.toggle("toggled", toggle); + button.setAttribute("aria-checked", toggle); + view?.classList.toggle("hidden", !toggle); + } + + function toggleExpandedBtn(button, toggle, view = null) { + button.classList.toggle("toggled", toggle); + button.setAttribute("aria-expanded", toggle); + view?.classList.toggle("hidden", !toggle); + } + + /***/ + }), + /* 4 */ + /***/ ((module) => { + + + module.exports = globalThis.pdfjsLib; + + /***/ + }), + /* 5 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.compatibilityParams = exports.OptionKind = exports.AppOptions = void 0; + const compatibilityParams = Object.create(null); + exports.compatibilityParams = compatibilityParams; + { + const userAgent = navigator.userAgent || ""; + const platform = navigator.platform || ""; + const maxTouchPoints = navigator.maxTouchPoints || 1; + const isAndroid = /Android/.test(userAgent); + const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1; + (function checkCanvasSizeLimitation() { + if (isIOS || isAndroid) { + compatibilityParams.maxCanvasPixels = 5242880; + } + })(); + } + const OptionKind = { + VIEWER: 0x02, + API: 0x04, + WORKER: 0x08, + PREFERENCE: 0x80 + }; + exports.OptionKind = OptionKind; + const defaultOptions = { + annotationEditorMode: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + annotationMode: { + value: 2, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + cursorToolOnLoad: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + defaultZoomDelay: { + value: 400, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + defaultZoomValue: { + value: "", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + disableHistory: { + value: false, + kind: OptionKind.VIEWER + }, + disablePageLabels: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enablePermissions: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enablePrintAutoRotate: { + value: true, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enableScripting: { + value: true, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enableStampEditor: { + value: true, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + externalLinkRel: { + value: "noopener noreferrer nofollow", + kind: OptionKind.VIEWER + }, + externalLinkTarget: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + historyUpdateUrl: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + ignoreDestinationZoom: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + imageResourcesPath: { + value: "./images/", + kind: OptionKind.VIEWER + }, + maxCanvasPixels: { + value: 16777216, + kind: OptionKind.VIEWER + }, + forcePageColors: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + pageColorsBackground: { + value: "Canvas", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + pageColorsForeground: { + value: "CanvasText", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + pdfBugEnabled: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + printResolution: { + value: 150, + kind: OptionKind.VIEWER + }, + sidebarViewOnLoad: { + value: -1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + scrollModeOnLoad: { + value: -1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + spreadModeOnLoad: { + value: -1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + textLayerMode: { + value: 1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + viewerCssTheme: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + viewOnLoad: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + cMapPacked: { + value: true, + kind: OptionKind.API + }, + cMapUrl: { + value: "../web/cmaps/", + kind: OptionKind.API + }, + disableAutoFetch: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + disableFontFace: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + disableRange: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + disableStream: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + docBaseUrl: { + value: "", + kind: OptionKind.API + }, + enableXfa: { + value: true, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + fontExtraProperties: { + value: false, + kind: OptionKind.API + }, + isEvalSupported: { + value: true, + kind: OptionKind.API + }, + isOffscreenCanvasSupported: { + value: true, + kind: OptionKind.API + }, + maxImageSize: { + value: -1, + kind: OptionKind.API + }, + pdfBug: { + value: false, + kind: OptionKind.API + }, + standardFontDataUrl: { + value: "../web/standard_fonts/", + kind: OptionKind.API + }, + verbosity: { + value: 1, + kind: OptionKind.API + }, + workerPort: { + value: null, + kind: OptionKind.WORKER + }, + workerSrc: { + value: "/pdfjs/pdf.worker.js", + kind: OptionKind.WORKER + } + }; + { + defaultOptions.defaultUrl = { + value: "/pdfjs/example/Welcome.pdf", + kind: OptionKind.VIEWER + }; + defaultOptions.disablePreferences = { + value: false, + kind: OptionKind.VIEWER + }; + defaultOptions.locale = { + value: navigator.language || "en-US", + kind: OptionKind.VIEWER + }; + defaultOptions.sandboxBundleSrc = { + value: "../build/pdf.sandbox.js", + kind: OptionKind.VIEWER + }; + } + const userOptions = Object.create(null); + + class AppOptions { + constructor() { + throw new Error("Cannot initialize AppOptions."); + } + + static get(name) { + const userOption = userOptions[name]; + if (userOption !== undefined) { + return userOption; + } + const defaultOption = defaultOptions[name]; + if (defaultOption !== undefined) { + return compatibilityParams[name] ?? defaultOption.value; + } + return undefined; + } + + static getAll(kind = null) { + const options = Object.create(null); + for (const name in defaultOptions) { + const defaultOption = defaultOptions[name]; + if (kind) { + if ((kind & defaultOption.kind) === 0) { + continue; + } + if (kind === OptionKind.PREFERENCE) { + const value = defaultOption.value, + valueType = typeof value; + if (valueType === "boolean" || valueType === "string" || valueType === "number" && Number.isInteger(value)) { + options[name] = value; + continue; + } + throw new Error(`Invalid type for preference: ${name}`); + } + } + const userOption = userOptions[name]; + options[name] = userOption !== undefined ? userOption : compatibilityParams[name] ?? defaultOption.value; + } + return options; + } + + static set(name, value) { + userOptions[name] = value; + } + + static setAll(options) { + for (const name in options) { + userOptions[name] = options[name]; + } + } + + static remove(name) { + delete userOptions[name]; + } + } + + exports.AppOptions = AppOptions; + { + AppOptions._hasUserOptions = function () { + return Object.keys(userOptions).length > 0; + }; + } + + /***/ + }), + /* 6 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.WaitOnType = exports.EventBus = exports.AutomationEventBus = void 0; + exports.waitOnEventOrTimeout = waitOnEventOrTimeout; + const WaitOnType = { + EVENT: "event", + TIMEOUT: "timeout" + }; + exports.WaitOnType = WaitOnType; + + function waitOnEventOrTimeout({ + target, + name, + delay = 0 + }) { + return new Promise(function (resolve, reject) { + if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) { + throw new Error("waitOnEventOrTimeout - invalid parameters."); + } + + function handler(type) { + if (target instanceof EventBus) { + target._off(name, eventHandler); + } else { + target.removeEventListener(name, eventHandler); + } + if (timeout) { + clearTimeout(timeout); + } + resolve(type); + } + + const eventHandler = handler.bind(null, WaitOnType.EVENT); + if (target instanceof EventBus) { + target._on(name, eventHandler); + } else { + target.addEventListener(name, eventHandler); + } + const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT); + const timeout = setTimeout(timeoutHandler, delay); + }); + } + + class EventBus { + #listeners = Object.create(null); + + on(eventName, listener, options = null) { + this._on(eventName, listener, { + external: true, + once: options?.once + }); + } + + off(eventName, listener, options = null) { + this._off(eventName, listener, { + external: true, + once: options?.once + }); + } + + dispatch(eventName, data) { + const eventListeners = this.#listeners[eventName]; + if (!eventListeners || eventListeners.length === 0) { + return; + } + let externalListeners; + for (const { + listener, + external, + once + } of eventListeners.slice(0)) { + if (once) { + this._off(eventName, listener); + } + if (external) { + (externalListeners ||= []).push(listener); + continue; + } + listener(data); + } + if (externalListeners) { + for (const listener of externalListeners) { + listener(data); + } + externalListeners = null; + } + } + + _on(eventName, listener, options = null) { + const eventListeners = this.#listeners[eventName] ||= []; + eventListeners.push({ + listener, + external: options?.external === true, + once: options?.once === true + }); + } + + _off(eventName, listener, options = null) { + const eventListeners = this.#listeners[eventName]; + if (!eventListeners) { + return; + } + for (let i = 0, ii = eventListeners.length; i < ii; i++) { + if (eventListeners[i].listener === listener) { + eventListeners.splice(i, 1); + return; + } + } + } + } + + exports.EventBus = EventBus; + + class AutomationEventBus extends EventBus { + dispatch(eventName, data) { + throw new Error("Not implemented: AutomationEventBus.dispatch"); + } + } + + exports.AutomationEventBus = AutomationEventBus; + + /***/ + }), + /* 7 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.SimpleLinkService = exports.PDFLinkService = exports.LinkTarget = void 0; + var _ui_utils = __webpack_require__(3); + const DEFAULT_LINK_REL = "noopener noreferrer nofollow"; + const LinkTarget = { + NONE: 0, + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4 + }; + exports.LinkTarget = LinkTarget; + + function addLinkAttributes(link, { + url, + target, + rel, + enabled = true + } = {}) { + if (!url || typeof url !== "string") { + throw new Error('A valid "url" parameter must provided.'); + } + if (enabled) { + link.href = link.title = url; + } else { + link.href = ""; + link.title = `Disabled: ${url}`; + link.onclick = () => { + return false; + }; + } + let targetStr = ""; + switch (target) { + case LinkTarget.NONE: + break; + case LinkTarget.SELF: + targetStr = "_self"; + break; + case LinkTarget.BLANK: + targetStr = "_blank"; + break; + case LinkTarget.PARENT: + targetStr = "_parent"; + break; + case LinkTarget.TOP: + targetStr = "_top"; + break; + } + link.target = targetStr; + link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL; + } + + class PDFLinkService { + #pagesRefCache = new Map(); + + constructor({ + eventBus, + externalLinkTarget = null, + externalLinkRel = null, + ignoreDestinationZoom = false + } = {}) { + this.eventBus = eventBus; + this.externalLinkTarget = externalLinkTarget; + this.externalLinkRel = externalLinkRel; + this.externalLinkEnabled = true; + this._ignoreDestinationZoom = ignoreDestinationZoom; + this.baseUrl = null; + this.pdfDocument = null; + this.pdfViewer = null; + this.pdfHistory = null; + } + + setDocument(pdfDocument, baseUrl = null) { + this.baseUrl = baseUrl; + this.pdfDocument = pdfDocument; + this.#pagesRefCache.clear(); + } + + setViewer(pdfViewer) { + this.pdfViewer = pdfViewer; + } + + setHistory(pdfHistory) { + this.pdfHistory = pdfHistory; + } + + get pagesCount() { + return this.pdfDocument ? this.pdfDocument.numPages : 0; + } + + get page() { + return this.pdfViewer.currentPageNumber; + } + + set page(value) { + this.pdfViewer.currentPageNumber = value; + } + + get rotation() { + return this.pdfViewer.pagesRotation; + } + + set rotation(value) { + this.pdfViewer.pagesRotation = value; + } + + get isInPresentationMode() { + return this.pdfViewer.isInPresentationMode; + } + + #goToDestinationHelper(rawDest, namedDest = null, explicitDest) { + const destRef = explicitDest[0]; + let pageNumber; + if (typeof destRef === "object" && destRef !== null) { + pageNumber = this._cachedPageNumber(destRef); + if (!pageNumber) { + this.pdfDocument.getPageIndex(destRef).then(pageIndex => { + this.cachePageRef(pageIndex + 1, destRef); + this.#goToDestinationHelper(rawDest, namedDest, explicitDest); + }).catch(() => { + console.error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid page reference, for dest="${rawDest}".`); + }); + return; + } + } else if (Number.isInteger(destRef)) { + pageNumber = destRef + 1; + } else { + console.error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid destination reference, for dest="${rawDest}".`); + return; + } + if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) { + console.error(`PDFLinkService.#goToDestinationHelper: "${pageNumber}" is not ` + `a valid page number, for dest="${rawDest}".`); + return; + } + if (this.pdfHistory) { + this.pdfHistory.pushCurrentPosition(); + this.pdfHistory.push({ + namedDest, + explicitDest, + pageNumber + }); + } + this.pdfViewer.scrollPageIntoView({ + pageNumber, + destArray: explicitDest, + ignoreDestinationZoom: this._ignoreDestinationZoom + }); + } + + async goToDestination(dest) { + if (!this.pdfDocument) { + return; + } + let namedDest, explicitDest; + if (typeof dest === "string") { + namedDest = dest; + explicitDest = await this.pdfDocument.getDestination(dest); + } else { + namedDest = null; + explicitDest = await dest; + } + if (!Array.isArray(explicitDest)) { + console.error(`PDFLinkService.goToDestination: "${explicitDest}" is not ` + `a valid destination array, for dest="${dest}".`); + return; + } + this.#goToDestinationHelper(dest, namedDest, explicitDest); + } + + goToPage(val) { + if (!this.pdfDocument) { + return; + } + const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0; + if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) { + console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`); + return; + } + if (this.pdfHistory) { + this.pdfHistory.pushCurrentPosition(); + this.pdfHistory.pushPage(pageNumber); + } + this.pdfViewer.scrollPageIntoView({ + pageNumber + }); + } + + addLinkAttributes(link, url, newWindow = false) { + addLinkAttributes(link, { + url, + target: newWindow ? LinkTarget.BLANK : this.externalLinkTarget, + rel: this.externalLinkRel, + enabled: this.externalLinkEnabled + }); + } + + getDestinationHash(dest) { + if (typeof dest === "string") { + if (dest.length > 0) { + return this.getAnchorUrl("#" + escape(dest)); + } + } else if (Array.isArray(dest)) { + const str = JSON.stringify(dest); + if (str.length > 0) { + return this.getAnchorUrl("#" + escape(str)); + } + } + return this.getAnchorUrl(""); + } + + getAnchorUrl(anchor) { + return this.baseUrl ? this.baseUrl + anchor : anchor; + } + + setHash(hash) { + if (!this.pdfDocument) { + return; + } + let pageNumber, dest; + if (hash.includes("=")) { + const params = (0, _ui_utils.parseQueryString)(hash); + if (params.has("search")) { + const query = params.get("search").replaceAll('"', ""), + phrase = params.get("phrase") === "true"; + this.eventBus.dispatch("findfromurlhash", { + source: this, + query: phrase ? query : query.match(/\S+/g) + }); + } + if (params.has("page")) { + pageNumber = params.get("page") | 0 || 1; + } + if (params.has("zoom")) { + const zoomArgs = params.get("zoom").split(","); + const zoomArg = zoomArgs[0]; + const zoomArgNumber = parseFloat(zoomArg); + if (!zoomArg.includes("Fit")) { + dest = [null, { + name: "XYZ" + }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg]; + } else if (zoomArg === "Fit" || zoomArg === "FitB") { + dest = [null, { + name: zoomArg + }]; + } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") { + dest = [null, { + name: zoomArg + }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null]; + } else if (zoomArg === "FitR") { + if (zoomArgs.length !== 5) { + console.error('PDFLinkService.setHash: Not enough parameters for "FitR".'); + } else { + dest = [null, { + name: zoomArg + }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0]; + } + } else { + console.error(`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`); + } + } + if (dest) { + this.pdfViewer.scrollPageIntoView({ + pageNumber: pageNumber || this.page, + destArray: dest, + allowNegativeOffset: true + }); + } else if (pageNumber) { + this.page = pageNumber; + } + if (params.has("pagemode")) { + this.eventBus.dispatch("pagemode", { + source: this, + mode: params.get("pagemode") + }); + } + if (params.has("nameddest")) { + this.goToDestination(params.get("nameddest")); + } + } else { + dest = unescape(hash); + try { + dest = JSON.parse(dest); + if (!Array.isArray(dest)) { + dest = dest.toString(); + } + } catch { + } + if (typeof dest === "string" || PDFLinkService.#isValidExplicitDestination(dest)) { + this.goToDestination(dest); + return; + } + console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not a valid destination.`); + } + } + + executeNamedAction(action) { + switch (action) { + case "GoBack": + this.pdfHistory?.back(); + break; + case "GoForward": + this.pdfHistory?.forward(); + break; + case "NextPage": + this.pdfViewer.nextPage(); + break; + case "PrevPage": + this.pdfViewer.previousPage(); + break; + case "LastPage": + this.page = this.pagesCount; + break; + case "FirstPage": + this.page = 1; + break; + default: + break; + } + this.eventBus.dispatch("namedaction", { + source: this, + action + }); + } + + async executeSetOCGState(action) { + const pdfDocument = this.pdfDocument; + const optionalContentConfig = await this.pdfViewer.optionalContentConfigPromise; + if (pdfDocument !== this.pdfDocument) { + return; + } + let operator; + for (const elem of action.state) { + switch (elem) { + case "ON": + case "OFF": + case "Toggle": + operator = elem; + continue; + } + switch (operator) { + case "ON": + optionalContentConfig.setVisibility(elem, true); + break; + case "OFF": + optionalContentConfig.setVisibility(elem, false); + break; + case "Toggle": + const group = optionalContentConfig.getGroup(elem); + if (group) { + optionalContentConfig.setVisibility(elem, !group.visible); + } + break; + } + } + this.pdfViewer.optionalContentConfigPromise = Promise.resolve(optionalContentConfig); + } + + cachePageRef(pageNum, pageRef) { + if (!pageRef) { + return; + } + const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`; + this.#pagesRefCache.set(refStr, pageNum); + } + + _cachedPageNumber(pageRef) { + if (!pageRef) { + return null; + } + const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`; + return this.#pagesRefCache.get(refStr) || null; + } + + static #isValidExplicitDestination(dest) { + if (!Array.isArray(dest)) { + return false; + } + const destLength = dest.length; + if (destLength < 2) { + return false; + } + const page = dest[0]; + if (!(typeof page === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) { + return false; + } + const zoom = dest[1]; + if (!(typeof zoom === "object" && typeof zoom.name === "string")) { + return false; + } + let allowNull = true; + switch (zoom.name) { + case "XYZ": + if (destLength !== 5) { + return false; + } + break; + case "Fit": + case "FitB": + return destLength === 2; + case "FitH": + case "FitBH": + case "FitV": + case "FitBV": + if (destLength !== 3) { + return false; + } + break; + case "FitR": + if (destLength !== 6) { + return false; + } + allowNull = false; + break; + default: + return false; + } + for (let i = 2; i < destLength; i++) { + const param = dest[i]; + if (!(typeof param === "number" || allowNull && param === null)) { + return false; + } + } + return true; + } + } + + exports.PDFLinkService = PDFLinkService; + + class SimpleLinkService { + constructor() { + this.externalLinkEnabled = true; + } + + get pagesCount() { + return 0; + } + + get page() { + return 0; + } + + set page(value) { + } + + get rotation() { + return 0; + } + + set rotation(value) { + } + + get isInPresentationMode() { + return false; + } + + async goToDestination(dest) { + } + + goToPage(val) { + } + + addLinkAttributes(link, url, newWindow = false) { + addLinkAttributes(link, { + url, + enabled: this.externalLinkEnabled + }); + } + + getDestinationHash(dest) { + return "#"; + } + + getAnchorUrl(hash) { + return "#"; + } + + setHash(hash) { + } + + executeNamedAction(action) { + } + + executeSetOCGState(action) { + } + + cachePageRef(pageNum, pageRef) { + } + } + + exports.SimpleLinkService = SimpleLinkService; + + /***/ + }), + /* 8 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.AltTextManager = void 0; + var _pdfjsLib = __webpack_require__(4); + + class AltTextManager { + #boundUpdateUIState = this.#updateUIState.bind(this); + #boundSetPosition = this.#setPosition.bind(this); + #boundOnClick = this.#onClick.bind(this); + #currentEditor = null; + #cancelButton; + #dialog; + #eventBus; + #hasUsedPointer = false; + #optionDescription; + #optionDecorative; + #overlayManager; + #saveButton; + #textarea; + #uiManager; + #previousAltText = null; + #svgElement = null; + #rectElement = null; + #container; + #telemetryData = null; + + constructor({ + dialog, + optionDescription, + optionDecorative, + textarea, + cancelButton, + saveButton + }, container, overlayManager, eventBus) { + this.#dialog = dialog; + this.#optionDescription = optionDescription; + this.#optionDecorative = optionDecorative; + this.#textarea = textarea; + this.#cancelButton = cancelButton; + this.#saveButton = saveButton; + this.#overlayManager = overlayManager; + this.#eventBus = eventBus; + this.#container = container; + dialog.addEventListener("close", this.#close.bind(this)); + dialog.addEventListener("contextmenu", event => { + if (event.target !== this.#textarea) { + event.preventDefault(); + } + }); + cancelButton.addEventListener("click", this.#finish.bind(this)); + saveButton.addEventListener("click", this.#save.bind(this)); + optionDescription.addEventListener("change", this.#boundUpdateUIState); + optionDecorative.addEventListener("change", this.#boundUpdateUIState); + this.#overlayManager.register(dialog); + } + + get _elements() { + return (0, _pdfjsLib.shadow)(this, "_elements", [this.#optionDescription, this.#optionDecorative, this.#textarea, this.#saveButton, this.#cancelButton]); + } + + #createSVGElement() { + if (this.#svgElement) { + return; + } + const svgFactory = new _pdfjsLib.DOMSVGFactory(); + const svg = this.#svgElement = svgFactory.createElement("svg"); + svg.setAttribute("width", "0"); + svg.setAttribute("height", "0"); + const defs = svgFactory.createElement("defs"); + svg.append(defs); + const mask = svgFactory.createElement("mask"); + defs.append(mask); + mask.setAttribute("id", "alttext-manager-mask"); + mask.setAttribute("maskContentUnits", "objectBoundingBox"); + let rect = svgFactory.createElement("rect"); + mask.append(rect); + rect.setAttribute("fill", "white"); + rect.setAttribute("width", "1"); + rect.setAttribute("height", "1"); + rect.setAttribute("x", "0"); + rect.setAttribute("y", "0"); + rect = this.#rectElement = svgFactory.createElement("rect"); + mask.append(rect); + rect.setAttribute("fill", "black"); + this.#dialog.append(svg); + } + + async editAltText(uiManager, editor) { + if (this.#currentEditor || !editor) { + return; + } + this.#createSVGElement(); + this.#hasUsedPointer = false; + for (const element of this._elements) { + element.addEventListener("click", this.#boundOnClick); + } + const { + altText, + decorative + } = editor.altTextData; + if (decorative === true) { + this.#optionDecorative.checked = true; + this.#optionDescription.checked = false; + } else { + this.#optionDecorative.checked = false; + this.#optionDescription.checked = true; + } + this.#previousAltText = this.#textarea.value = altText?.trim() || ""; + this.#updateUIState(); + this.#currentEditor = editor; + this.#uiManager = uiManager; + this.#uiManager.removeEditListeners(); + this.#eventBus._on("resize", this.#boundSetPosition); + try { + await this.#overlayManager.open(this.#dialog); + this.#setPosition(); + } catch (ex) { + this.#close(); + throw ex; + } + } + + #setPosition() { + if (!this.#currentEditor) { + return; + } + const dialog = this.#dialog; + const { + style + } = dialog; + const { + x: containerX, + y: containerY, + width: containerW, + height: containerH + } = this.#container.getBoundingClientRect(); + const { + innerWidth: windowW, + innerHeight: windowH + } = window; + const { + width: dialogW, + height: dialogH + } = dialog.getBoundingClientRect(); + const { + x, + y, + width, + height + } = this.#currentEditor.getClientDimensions(); + const MARGIN = 10; + const isLTR = this.#uiManager.direction === "ltr"; + const xs = Math.max(x, containerX); + const xe = Math.min(x + width, containerX + containerW); + const ys = Math.max(y, containerY); + const ye = Math.min(y + height, containerY + containerH); + this.#rectElement.setAttribute("width", `${(xe - xs) / windowW}`); + this.#rectElement.setAttribute("height", `${(ye - ys) / windowH}`); + this.#rectElement.setAttribute("x", `${xs / windowW}`); + this.#rectElement.setAttribute("y", `${ys / windowH}`); + let left = null; + let top = Math.max(y, 0); + top += Math.min(windowH - (top + dialogH), 0); + if (isLTR) { + if (x + width + MARGIN + dialogW < windowW) { + left = x + width + MARGIN; + } else if (x > dialogW + MARGIN) { + left = x - dialogW - MARGIN; + } + } else if (x > dialogW + MARGIN) { + left = x - dialogW - MARGIN; + } else if (x + width + MARGIN + dialogW < windowW) { + left = x + width + MARGIN; + } + if (left === null) { + top = null; + left = Math.max(x, 0); + left += Math.min(windowW - (left + dialogW), 0); + if (y > dialogH + MARGIN) { + top = y - dialogH - MARGIN; + } else if (y + height + MARGIN + dialogH < windowH) { + top = y + height + MARGIN; + } + } + if (top !== null) { + dialog.classList.add("positioned"); + if (isLTR) { + style.left = `${left}px`; + } else { + style.right = `${windowW - left - dialogW}px`; + } + style.top = `${top}px`; + } else { + dialog.classList.remove("positioned"); + style.left = ""; + style.top = ""; + } + } + + #finish() { + if (this.#overlayManager.active === this.#dialog) { + this.#overlayManager.close(this.#dialog); + } + } + + #close() { + this.#eventBus.dispatch("reporttelemetry", { + source: this, + details: { + type: "editing", + subtype: this.#currentEditor.editorType, + data: this.#telemetryData || { + action: "alt_text_cancel", + alt_text_keyboard: !this.#hasUsedPointer + } + } + }); + this.#telemetryData = null; + this.#removeOnClickListeners(); + this.#uiManager?.addEditListeners(); + this.#eventBus._off("resize", this.#boundSetPosition); + this.#currentEditor = null; + this.#uiManager = null; + } + + #updateUIState() { + this.#textarea.disabled = this.#optionDecorative.checked; + } + + #save() { + const altText = this.#textarea.value.trim(); + const decorative = this.#optionDecorative.checked; + this.#currentEditor.altTextData = { + altText, + decorative + }; + this.#telemetryData = { + action: "alt_text_save", + alt_text_description: !!altText, + alt_text_edit: !!this.#previousAltText && this.#previousAltText !== altText, + alt_text_decorative: decorative, + alt_text_keyboard: !this.#hasUsedPointer + }; + this.#finish(); + } + + #onClick(evt) { + if (evt.detail === 0) { + return; + } + this.#hasUsedPointer = true; + this.#removeOnClickListeners(); + } + + #removeOnClickListeners() { + for (const element of this._elements) { + element.removeEventListener("click", this.#boundOnClick); + } + } + + destroy() { + this.#uiManager = null; + this.#finish(); + this.#svgElement?.remove(); + this.#svgElement = this.#rectElement = null; + } + } + + exports.AltTextManager = AltTextManager; + + /***/ + }), + /* 9 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.AnnotationEditorParams = void 0; + var _pdfjsLib = __webpack_require__(4); + + class AnnotationEditorParams { + constructor(options, eventBus) { + this.eventBus = eventBus; + this.#bindListeners(options); + } + + #bindListeners({ + editorFreeTextFontSize, + editorFreeTextColor, + editorInkColor, + editorInkThickness, + editorInkOpacity, + editorStampAddImage + }) { + const dispatchEvent = (typeStr, value) => { + this.eventBus.dispatch("switchannotationeditorparams", { + source: this, + type: _pdfjsLib.AnnotationEditorParamsType[typeStr], + value + }); + }; + editorFreeTextFontSize.addEventListener("input", function () { + dispatchEvent("FREETEXT_SIZE", this.valueAsNumber); + }); + editorFreeTextColor.addEventListener("input", function () { + dispatchEvent("FREETEXT_COLOR", this.value); + }); + editorInkColor.addEventListener("input", function () { + dispatchEvent("INK_COLOR", this.value); + }); + editorInkThickness.addEventListener("input", function () { + dispatchEvent("INK_THICKNESS", this.valueAsNumber); + }); + editorInkOpacity.addEventListener("input", function () { + dispatchEvent("INK_OPACITY", this.valueAsNumber); + }); + editorStampAddImage.addEventListener("click", () => { + dispatchEvent("CREATE"); + }); + this.eventBus._on("annotationeditorparamschanged", evt => { + for (const [type, value] of evt.details) { + switch (type) { + case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE: + editorFreeTextFontSize.value = value; + break; + case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR: + editorFreeTextColor.value = value; + break; + case _pdfjsLib.AnnotationEditorParamsType.INK_COLOR: + editorInkColor.value = value; + break; + case _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS: + editorInkThickness.value = value; + break; + case _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY: + editorInkOpacity.value = value; + break; + } + } + }); + } + } + + exports.AnnotationEditorParams = AnnotationEditorParams; + + /***/ + }), + /* 10 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.OverlayManager = void 0; + + class OverlayManager { + #overlays = new WeakMap(); + #active = null; + get active() { + return this.#active; + } + + async register(dialog, canForceClose = false) { + if (typeof dialog !== "object") { + throw new Error("Not enough parameters."); + } else if (this.#overlays.has(dialog)) { + throw new Error("The overlay is already registered."); + } + this.#overlays.set(dialog, { + canForceClose + }); + dialog.addEventListener("cancel", evt => { + this.#active = null; + }); + } + + async open(dialog) { + if (!this.#overlays.has(dialog)) { + throw new Error("The overlay does not exist."); + } else if (this.#active) { + if (this.#active === dialog) { + throw new Error("The overlay is already active."); + } else if (this.#overlays.get(dialog).canForceClose) { + await this.close(); + } else { + throw new Error("Another overlay is currently active."); + } + } + this.#active = dialog; + dialog.showModal(); + } + + async close(dialog = this.#active) { + if (!this.#overlays.has(dialog)) { + throw new Error("The overlay does not exist."); + } else if (!this.#active) { + throw new Error("The overlay is currently not active."); + } else if (this.#active !== dialog) { + throw new Error("Another overlay is currently active."); + } + dialog.close(); + this.#active = null; + } + } + + exports.OverlayManager = OverlayManager; + + /***/ + }), + /* 11 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PasswordPrompt = void 0; + var _pdfjsLib = __webpack_require__(4); + + class PasswordPrompt { + #activeCapability = null; + #updateCallback = null; + #reason = null; + + constructor(options, overlayManager, l10n, isViewerEmbedded = false) { + this.dialog = options.dialog; + this.label = options.label; + this.input = options.input; + this.submitButton = options.submitButton; + this.cancelButton = options.cancelButton; + this.overlayManager = overlayManager; + this.l10n = l10n; + this._isViewerEmbedded = isViewerEmbedded; + this.submitButton.addEventListener("click", this.#verify.bind(this)); + this.cancelButton.addEventListener("click", this.close.bind(this)); + this.input.addEventListener("keydown", e => { + if (e.keyCode === 13) { + this.#verify(); + } + }); + this.overlayManager.register(this.dialog, true); + this.dialog.addEventListener("close", this.#cancel.bind(this)); + } + + async open() { + if (this.#activeCapability) { + await this.#activeCapability.promise; + } + this.#activeCapability = new _pdfjsLib.PromiseCapability(); + try { + await this.overlayManager.open(this.dialog); + } catch (ex) { + this.#activeCapability.resolve(); + throw ex; + } + const passwordIncorrect = this.#reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD; + if (!this._isViewerEmbedded || passwordIncorrect) { + this.input.focus(); + } + this.label.textContent = await this.l10n.get(`password_${passwordIncorrect ? "invalid" : "label"}`); + } + + async close() { + if (this.overlayManager.active === this.dialog) { + this.overlayManager.close(this.dialog); + } + } + + #verify() { + const password = this.input.value; + if (password?.length > 0) { + this.#invokeCallback(password); + } + } + + #cancel() { + this.#invokeCallback(new Error("PasswordPrompt cancelled.")); + this.#activeCapability.resolve(); + } + + #invokeCallback(password) { + if (!this.#updateCallback) { + return; + } + this.close(); + this.input.value = ""; + this.#updateCallback(password); + this.#updateCallback = null; + } + + async setUpdateCallback(updateCallback, reason) { + if (this.#activeCapability) { + await this.#activeCapability.promise; + } + this.#updateCallback = updateCallback; + this.#reason = reason; + } + } + + exports.PasswordPrompt = PasswordPrompt; + + /***/ + }), + /* 12 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFAttachmentViewer = void 0; + var _pdfjsLib = __webpack_require__(4); + var _base_tree_viewer = __webpack_require__(13); + var _event_utils = __webpack_require__(6); + + class PDFAttachmentViewer extends _base_tree_viewer.BaseTreeViewer { + constructor(options) { + super(options); + this.downloadManager = options.downloadManager; + this.eventBus._on("fileattachmentannotation", this.#appendAttachment.bind(this)); + } + + reset(keepRenderedCapability = false) { + super.reset(); + this._attachments = null; + if (!keepRenderedCapability) { + this._renderedCapability = new _pdfjsLib.PromiseCapability(); + } + this._pendingDispatchEvent = false; + } + + async _dispatchEvent(attachmentsCount) { + this._renderedCapability.resolve(); + if (attachmentsCount === 0 && !this._pendingDispatchEvent) { + this._pendingDispatchEvent = true; + await (0, _event_utils.waitOnEventOrTimeout)({ + target: this.eventBus, + name: "annotationlayerrendered", + delay: 1000 + }); + if (!this._pendingDispatchEvent) { + return; + } + } + this._pendingDispatchEvent = false; + this.eventBus.dispatch("attachmentsloaded", { + source: this, + attachmentsCount + }); + } + + _bindLink(element, { + content, + filename + }) { + element.onclick = () => { + this.downloadManager.openOrDownloadData(element, content, filename); + return false; + }; + } + + render({ + attachments, + keepRenderedCapability = false + }) { + if (this._attachments) { + this.reset(keepRenderedCapability); + } + this._attachments = attachments || null; + if (!attachments) { + this._dispatchEvent(0); + return; + } + const fragment = document.createDocumentFragment(); + let attachmentsCount = 0; + for (const name in attachments) { + const item = attachments[name]; + const content = item.content, + filename = (0, _pdfjsLib.getFilenameFromUrl)(item.filename, true); + const div = document.createElement("div"); + div.className = "treeItem"; + const element = document.createElement("a"); + this._bindLink(element, { + content, + filename + }); + element.textContent = this._normalizeTextContent(filename); + div.append(element); + fragment.append(div); + attachmentsCount++; + } + this._finishRendering(fragment, attachmentsCount); + } + + #appendAttachment({ + filename, + content + }) { + const renderedPromise = this._renderedCapability.promise; + renderedPromise.then(() => { + if (renderedPromise !== this._renderedCapability.promise) { + return; + } + const attachments = this._attachments || Object.create(null); + for (const name in attachments) { + if (filename === name) { + return; + } + } + attachments[filename] = { + filename, + content + }; + this.render({ + attachments, + keepRenderedCapability: true + }); + }); + } + } + + exports.PDFAttachmentViewer = PDFAttachmentViewer; + + /***/ + }), + /* 13 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.BaseTreeViewer = void 0; + var _ui_utils = __webpack_require__(3); + const TREEITEM_OFFSET_TOP = -100; + const TREEITEM_SELECTED_CLASS = "selected"; + + class BaseTreeViewer { + constructor(options) { + if (this.constructor === BaseTreeViewer) { + throw new Error("Cannot initialize BaseTreeViewer."); + } + this.container = options.container; + this.eventBus = options.eventBus; + this.reset(); + } + + reset() { + this._pdfDocument = null; + this._lastToggleIsShow = true; + this._currentTreeItem = null; + this.container.textContent = ""; + this.container.classList.remove("treeWithDeepNesting"); + } + + _dispatchEvent(count) { + throw new Error("Not implemented: _dispatchEvent"); + } + + _bindLink(element, params) { + throw new Error("Not implemented: _bindLink"); + } + + _normalizeTextContent(str) { + return (0, _ui_utils.removeNullCharacters)(str, true) || "\u2013"; + } + + _addToggleButton(div, hidden = false) { + const toggler = document.createElement("div"); + toggler.className = "treeItemToggler"; + if (hidden) { + toggler.classList.add("treeItemsHidden"); + } + toggler.onclick = evt => { + evt.stopPropagation(); + toggler.classList.toggle("treeItemsHidden"); + if (evt.shiftKey) { + const shouldShowAll = !toggler.classList.contains("treeItemsHidden"); + this._toggleTreeItem(div, shouldShowAll); + } + }; + div.prepend(toggler); + } + + _toggleTreeItem(root, show = false) { + this._lastToggleIsShow = show; + for (const toggler of root.querySelectorAll(".treeItemToggler")) { + toggler.classList.toggle("treeItemsHidden", !show); + } + } + + _toggleAllTreeItems() { + this._toggleTreeItem(this.container, !this._lastToggleIsShow); + } + + _finishRendering(fragment, count, hasAnyNesting = false) { + if (hasAnyNesting) { + this.container.classList.add("treeWithDeepNesting"); + this._lastToggleIsShow = !fragment.querySelector(".treeItemsHidden"); + } + this.container.append(fragment); + this._dispatchEvent(count); + } + + render(params) { + throw new Error("Not implemented: render"); + } + + _updateCurrentTreeItem(treeItem = null) { + if (this._currentTreeItem) { + this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS); + this._currentTreeItem = null; + } + if (treeItem) { + treeItem.classList.add(TREEITEM_SELECTED_CLASS); + this._currentTreeItem = treeItem; + } + } + + _scrollToCurrentTreeItem(treeItem) { + if (!treeItem) { + return; + } + let currentNode = treeItem.parentNode; + while (currentNode && currentNode !== this.container) { + if (currentNode.classList.contains("treeItem")) { + const toggler = currentNode.firstElementChild; + toggler?.classList.remove("treeItemsHidden"); + } + currentNode = currentNode.parentNode; + } + this._updateCurrentTreeItem(treeItem); + this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP); + } + } + + exports.BaseTreeViewer = BaseTreeViewer; + + /***/ + }), + /* 14 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFCursorTools = void 0; + var _pdfjsLib = __webpack_require__(4); + var _ui_utils = __webpack_require__(3); + var _grab_to_pan = __webpack_require__(15); + + class PDFCursorTools { + #active = _ui_utils.CursorTool.SELECT; + #prevActive = null; + + constructor({ + container, + eventBus, + cursorToolOnLoad = _ui_utils.CursorTool.SELECT + }) { + this.container = container; + this.eventBus = eventBus; + this.#addEventListeners(); + Promise.resolve().then(() => { + this.switchTool(cursorToolOnLoad); + }); + } + + get activeTool() { + return this.#active; + } + + switchTool(tool) { + if (this.#prevActive !== null) { + return; + } + if (tool === this.#active) { + return; + } + const disableActiveTool = () => { + switch (this.#active) { + case _ui_utils.CursorTool.SELECT: + break; + case _ui_utils.CursorTool.HAND: + this._handTool.deactivate(); + break; + case _ui_utils.CursorTool.ZOOM: + } + }; + switch (tool) { + case _ui_utils.CursorTool.SELECT: + disableActiveTool(); + break; + case _ui_utils.CursorTool.HAND: + disableActiveTool(); + this._handTool.activate(); + break; + case _ui_utils.CursorTool.ZOOM: + default: + console.error(`switchTool: "${tool}" is an unsupported value.`); + return; + } + this.#active = tool; + this.eventBus.dispatch("cursortoolchanged", { + source: this, + tool + }); + } + + #addEventListeners() { + this.eventBus._on("switchcursortool", evt => { + this.switchTool(evt.tool); + }); + let annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE, + presentationModeState = _ui_utils.PresentationModeState.NORMAL; + const disableActive = () => { + const prevActive = this.#active; + this.switchTool(_ui_utils.CursorTool.SELECT); + this.#prevActive ??= prevActive; + }; + const enableActive = () => { + const prevActive = this.#prevActive; + if (prevActive !== null && annotationEditorMode === _pdfjsLib.AnnotationEditorType.NONE && presentationModeState === _ui_utils.PresentationModeState.NORMAL) { + this.#prevActive = null; + this.switchTool(prevActive); + } + }; + this.eventBus._on("secondarytoolbarreset", evt => { + if (this.#prevActive !== null) { + annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE; + presentationModeState = _ui_utils.PresentationModeState.NORMAL; + enableActive(); + } + }); + this.eventBus._on("annotationeditormodechanged", ({ + mode + }) => { + annotationEditorMode = mode; + if (mode === _pdfjsLib.AnnotationEditorType.NONE) { + enableActive(); + } else { + disableActive(); + } + }); + this.eventBus._on("presentationmodechanged", ({ + state + }) => { + presentationModeState = state; + if (state === _ui_utils.PresentationModeState.NORMAL) { + enableActive(); + } else if (state === _ui_utils.PresentationModeState.FULLSCREEN) { + disableActive(); + } + }); + } + + get _handTool() { + return (0, _pdfjsLib.shadow)(this, "_handTool", new _grab_to_pan.GrabToPan({ + element: this.container + })); + } + } + + exports.PDFCursorTools = PDFCursorTools; + + /***/ + }), + /* 15 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.GrabToPan = void 0; + const CSS_CLASS_GRAB = "grab-to-pan-grab"; + + class GrabToPan { + constructor({ + element + }) { + this.element = element; + this.document = element.ownerDocument; + this.activate = this.activate.bind(this); + this.deactivate = this.deactivate.bind(this); + this.toggle = this.toggle.bind(this); + this._onMouseDown = this.#onMouseDown.bind(this); + this._onMouseMove = this.#onMouseMove.bind(this); + this._endPan = this.#endPan.bind(this); + const overlay = this.overlay = document.createElement("div"); + overlay.className = "grab-to-pan-grabbing"; + } + + activate() { + if (!this.active) { + this.active = true; + this.element.addEventListener("mousedown", this._onMouseDown, true); + this.element.classList.add(CSS_CLASS_GRAB); + } + } + + deactivate() { + if (this.active) { + this.active = false; + this.element.removeEventListener("mousedown", this._onMouseDown, true); + this._endPan(); + this.element.classList.remove(CSS_CLASS_GRAB); + } + } + + toggle() { + if (this.active) { + this.deactivate(); + } else { + this.activate(); + } + } + + ignoreTarget(node) { + return node.matches("a[href], a[href] *, input, textarea, button, button *, select, option"); + } + + #onMouseDown(event) { + if (event.button !== 0 || this.ignoreTarget(event.target)) { + return; + } + if (event.originalTarget) { + try { + event.originalTarget.tagName; + } catch { + return; + } + } + this.scrollLeftStart = this.element.scrollLeft; + this.scrollTopStart = this.element.scrollTop; + this.clientXStart = event.clientX; + this.clientYStart = event.clientY; + this.document.addEventListener("mousemove", this._onMouseMove, true); + this.document.addEventListener("mouseup", this._endPan, true); + this.element.addEventListener("scroll", this._endPan, true); + event.preventDefault(); + event.stopPropagation(); + const focusedElement = document.activeElement; + if (focusedElement && !focusedElement.contains(event.target)) { + focusedElement.blur(); + } + } + + #onMouseMove(event) { + this.element.removeEventListener("scroll", this._endPan, true); + if (!(event.buttons & 1)) { + this._endPan(); + return; + } + const xDiff = event.clientX - this.clientXStart; + const yDiff = event.clientY - this.clientYStart; + this.element.scrollTo({ + top: this.scrollTopStart - yDiff, + left: this.scrollLeftStart - xDiff, + behavior: "instant" + }); + if (!this.overlay.parentNode) { + document.body.append(this.overlay); + } + } + + #endPan() { + this.element.removeEventListener("scroll", this._endPan, true); + this.document.removeEventListener("mousemove", this._onMouseMove, true); + this.document.removeEventListener("mouseup", this._endPan, true); + this.overlay.remove(); + } + } + + exports.GrabToPan = GrabToPan; + + /***/ + }), + /* 16 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFDocumentProperties = void 0; + var _ui_utils = __webpack_require__(3); + var _pdfjsLib = __webpack_require__(4); + const DEFAULT_FIELD_CONTENT = "-"; + const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"]; + const US_PAGE_NAMES = { + "8.5x11": "Letter", + "8.5x14": "Legal" + }; + const METRIC_PAGE_NAMES = { + "297x420": "A3", + "210x297": "A4" + }; + + function getPageName(size, isPortrait, pageNames) { + const width = isPortrait ? size.width : size.height; + const height = isPortrait ? size.height : size.width; + return pageNames[`${width}x${height}`]; + } + + class PDFDocumentProperties { + #fieldData = null; + + constructor({ + dialog, + fields, + closeButton + }, overlayManager, eventBus, l10n, fileNameLookup) { + this.dialog = dialog; + this.fields = fields; + this.overlayManager = overlayManager; + this.l10n = l10n; + this._fileNameLookup = fileNameLookup; + this.#reset(); + closeButton.addEventListener("click", this.close.bind(this)); + this.overlayManager.register(this.dialog); + eventBus._on("pagechanging", evt => { + this._currentPageNumber = evt.pageNumber; + }); + eventBus._on("rotationchanging", evt => { + this._pagesRotation = evt.pagesRotation; + }); + this._isNonMetricLocale = true; + l10n.getLanguage().then(locale => { + this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale); + }); + } + + async open() { + await Promise.all([this.overlayManager.open(this.dialog), this._dataAvailableCapability.promise]); + const currentPageNumber = this._currentPageNumber; + const pagesRotation = this._pagesRotation; + if (this.#fieldData && currentPageNumber === this.#fieldData._currentPageNumber && pagesRotation === this.#fieldData._pagesRotation) { + this.#updateUI(); + return; + } + const { + info, + contentLength + } = await this.pdfDocument.getMetadata(); + const [fileName, fileSize, creationDate, modificationDate, pageSize, isLinearized] = await Promise.all([this._fileNameLookup(), this.#parseFileSize(contentLength), this.#parseDate(info.CreationDate), this.#parseDate(info.ModDate), this.pdfDocument.getPage(currentPageNumber).then(pdfPage => { + return this.#parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation); + }), this.#parseLinearization(info.IsLinearized)]); + this.#fieldData = Object.freeze({ + fileName, + fileSize, + title: info.Title, + author: info.Author, + subject: info.Subject, + keywords: info.Keywords, + creationDate, + modificationDate, + creator: info.Creator, + producer: info.Producer, + version: info.PDFFormatVersion, + pageCount: this.pdfDocument.numPages, + pageSize, + linearized: isLinearized, + _currentPageNumber: currentPageNumber, + _pagesRotation: pagesRotation + }); + this.#updateUI(); + const { + length + } = await this.pdfDocument.getDownloadInfo(); + if (contentLength === length) { + return; + } + const data = Object.assign(Object.create(null), this.#fieldData); + data.fileSize = await this.#parseFileSize(length); + this.#fieldData = Object.freeze(data); + this.#updateUI(); + } + + async close() { + this.overlayManager.close(this.dialog); + } + + setDocument(pdfDocument) { + if (this.pdfDocument) { + this.#reset(); + this.#updateUI(true); + } + if (!pdfDocument) { + return; + } + this.pdfDocument = pdfDocument; + this._dataAvailableCapability.resolve(); + } + + #reset() { + this.pdfDocument = null; + this.#fieldData = null; + this._dataAvailableCapability = new _pdfjsLib.PromiseCapability(); + this._currentPageNumber = 1; + this._pagesRotation = 0; + } + + #updateUI(reset = false) { + if (reset || !this.#fieldData) { + for (const id in this.fields) { + this.fields[id].textContent = DEFAULT_FIELD_CONTENT; + } + return; + } + if (this.overlayManager.active !== this.dialog) { + return; + } + for (const id in this.fields) { + const content = this.#fieldData[id]; + this.fields[id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT; + } + } + + async #parseFileSize(fileSize = 0) { + const kb = fileSize / 1024, + mb = kb / 1024; + if (!kb) { + return undefined; + } + return this.l10n.get(`document_properties_${mb >= 1 ? "mb" : "kb"}`, { + size_mb: mb >= 1 && (+mb.toPrecision(3)).toLocaleString(), + size_kb: mb < 1 && (+kb.toPrecision(3)).toLocaleString(), + size_b: fileSize.toLocaleString() + }); + } + + async #parsePageSize(pageSizeInches, pagesRotation) { + if (!pageSizeInches) { + return undefined; + } + if (pagesRotation % 180 !== 0) { + pageSizeInches = { + width: pageSizeInches.height, + height: pageSizeInches.width + }; + } + const isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches); + let sizeInches = { + width: Math.round(pageSizeInches.width * 100) / 100, + height: Math.round(pageSizeInches.height * 100) / 100 + }; + let sizeMillimeters = { + width: Math.round(pageSizeInches.width * 25.4 * 10) / 10, + height: Math.round(pageSizeInches.height * 25.4 * 10) / 10 + }; + let rawName = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES); + if (!rawName && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) { + const exactMillimeters = { + width: pageSizeInches.width * 25.4, + height: pageSizeInches.height * 25.4 + }; + const intMillimeters = { + width: Math.round(sizeMillimeters.width), + height: Math.round(sizeMillimeters.height) + }; + if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) { + rawName = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES); + if (rawName) { + sizeInches = { + width: Math.round(intMillimeters.width / 25.4 * 100) / 100, + height: Math.round(intMillimeters.height / 25.4 * 100) / 100 + }; + sizeMillimeters = intMillimeters; + } + } + } + const [{ + width, + height + }, unit, name, orientation] = await Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get(`document_properties_page_size_unit_${this._isNonMetricLocale ? "inches" : "millimeters"}`), rawName && this.l10n.get(`document_properties_page_size_name_${rawName.toLowerCase()}`), this.l10n.get(`document_properties_page_size_orientation_${isPortrait ? "portrait" : "landscape"}`)]); + return this.l10n.get(`document_properties_page_size_dimension_${name ? "name_" : ""}string`, { + width: width.toLocaleString(), + height: height.toLocaleString(), + unit, + name, + orientation + }); + } + + async #parseDate(inputDate) { + const dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate); + if (!dateObject) { + return undefined; + } + return this.l10n.get("document_properties_date_string", { + date: dateObject.toLocaleDateString(), + time: dateObject.toLocaleTimeString() + }); + } + + #parseLinearization(isLinearized) { + return this.l10n.get(`document_properties_linearized_${isLinearized ? "yes" : "no"}`); + } + } + + exports.PDFDocumentProperties = PDFDocumentProperties; + + /***/ + }), + /* 17 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFFindBar = void 0; + var _pdf_find_controller = __webpack_require__(18); + var _ui_utils = __webpack_require__(3); + const MATCHES_COUNT_LIMIT = 1000; + + class PDFFindBar { + constructor(options, eventBus, l10n) { + this.opened = false; + this.bar = options.bar; + this.toggleButton = options.toggleButton; + this.findField = options.findField; + this.highlightAll = options.highlightAllCheckbox; + this.caseSensitive = options.caseSensitiveCheckbox; + this.matchDiacritics = options.matchDiacriticsCheckbox; + this.entireWord = options.entireWordCheckbox; + this.findMsg = options.findMsg; + this.findResultsCount = options.findResultsCount; + this.findPreviousButton = options.findPreviousButton; + this.findNextButton = options.findNextButton; + this.eventBus = eventBus; + this.l10n = l10n; + this.toggleButton.addEventListener("click", () => { + this.toggle(); + }); + this.findField.addEventListener("input", () => { + this.dispatchEvent(""); + }); + this.bar.addEventListener("keydown", e => { + switch (e.keyCode) { + case 13: + if (e.target === this.findField) { + this.dispatchEvent("again", e.shiftKey); + } + break; + case 27: + this.close(); + break; + } + }); + this.findPreviousButton.addEventListener("click", () => { + this.dispatchEvent("again", true); + }); + this.findNextButton.addEventListener("click", () => { + this.dispatchEvent("again", false); + }); + this.highlightAll.addEventListener("click", () => { + this.dispatchEvent("highlightallchange"); + }); + this.caseSensitive.addEventListener("click", () => { + this.dispatchEvent("casesensitivitychange"); + }); + this.entireWord.addEventListener("click", () => { + this.dispatchEvent("entirewordchange"); + }); + this.matchDiacritics.addEventListener("click", () => { + this.dispatchEvent("diacriticmatchingchange"); + }); + this.eventBus._on("resize", this.#adjustWidth.bind(this)); + } + + reset() { + this.updateUIState(); + } + + dispatchEvent(type, findPrev = false) { + this.eventBus.dispatch("find", { + source: this, + type, + query: this.findField.value, + caseSensitive: this.caseSensitive.checked, + entireWord: this.entireWord.checked, + highlightAll: this.highlightAll.checked, + findPrevious: findPrev, + matchDiacritics: this.matchDiacritics.checked + }); + } + + updateUIState(state, previous, matchesCount) { + let findMsg = Promise.resolve(""); + let status = ""; + switch (state) { + case _pdf_find_controller.FindState.FOUND: + break; + case _pdf_find_controller.FindState.PENDING: + status = "pending"; + break; + case _pdf_find_controller.FindState.NOT_FOUND: + findMsg = this.l10n.get("find_not_found"); + status = "notFound"; + break; + case _pdf_find_controller.FindState.WRAPPED: + findMsg = this.l10n.get(`find_reached_${previous ? "top" : "bottom"}`); + break; + } + this.findField.setAttribute("data-status", status); + this.findField.setAttribute("aria-invalid", state === _pdf_find_controller.FindState.NOT_FOUND); + findMsg.then(msg => { + this.findMsg.setAttribute("data-status", status); + this.findMsg.textContent = msg; + this.#adjustWidth(); + }); + this.updateResultsCount(matchesCount); + } + + updateResultsCount({ + current = 0, + total = 0 + } = {}) { + const limit = MATCHES_COUNT_LIMIT; + let matchCountMsg = Promise.resolve(""); + if (total > 0) { + if (total > limit) { + let key = "find_match_count_limit"; + matchCountMsg = this.l10n.get(key, { + limit + }); + } else { + let key = "find_match_count"; + matchCountMsg = this.l10n.get(key, { + current, + total + }); + } + } + matchCountMsg.then(msg => { + this.findResultsCount.textContent = msg; + this.#adjustWidth(); + }); + } + + open() { + if (!this.opened) { + this.opened = true; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, true, this.bar); + } + this.findField.select(); + this.findField.focus(); + this.#adjustWidth(); + } + + close() { + if (!this.opened) { + return; + } + this.opened = false; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, false, this.bar); + this.eventBus.dispatch("findbarclose", { + source: this + }); + } + + toggle() { + if (this.opened) { + this.close(); + } else { + this.open(); + } + } + + #adjustWidth() { + if (!this.opened) { + return; + } + this.bar.classList.remove("wrapContainers"); + const findbarHeight = this.bar.clientHeight; + const inputContainerHeight = this.bar.firstElementChild.clientHeight; + if (findbarHeight > inputContainerHeight) { + this.bar.classList.add("wrapContainers"); + } + } + } + + exports.PDFFindBar = PDFFindBar; + + /***/ + }), + /* 18 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFFindController = exports.FindState = void 0; + var _ui_utils = __webpack_require__(3); + var _pdf_find_utils = __webpack_require__(19); + var _pdfjsLib = __webpack_require__(4); + const FindState = { + FOUND: 0, + NOT_FOUND: 1, + WRAPPED: 2, + PENDING: 3 + }; + exports.FindState = FindState; + const FIND_TIMEOUT = 250; + const MATCH_SCROLL_OFFSET_TOP = -50; + const MATCH_SCROLL_OFFSET_LEFT = -400; + const CHARACTERS_TO_NORMALIZE = { + "\u2010": "-", + "\u2018": "'", + "\u2019": "'", + "\u201A": "'", + "\u201B": "'", + "\u201C": '"', + "\u201D": '"', + "\u201E": '"', + "\u201F": '"', + "\u00BC": "1/4", + "\u00BD": "1/2", + "\u00BE": "3/4" + }; + const DIACRITICS_EXCEPTION = new Set([0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d, 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039, 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2, 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed, 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74]); + let DIACRITICS_EXCEPTION_STR; + const DIACRITICS_REG_EXP = /\p{M}+/gu; + const SPECIAL_CHARS_REG_EXP = /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu; + const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u; + const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u; + const SYLLABLES_REG_EXP = /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g; + const SYLLABLES_LENGTHS = new Map(); + const FIRST_CHAR_SYLLABLES_REG_EXP = "[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]"; + const NFKC_CHARS_TO_NORMALIZE = new Map(); + let noSyllablesRegExp = null; + let withSyllablesRegExp = null; + + function normalize(text) { + const syllablePositions = []; + let m; + while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) { + let { + index + } = m; + for (const char of m[0]) { + let len = SYLLABLES_LENGTHS.get(char); + if (!len) { + len = char.normalize("NFD").length; + SYLLABLES_LENGTHS.set(char, len); + } + syllablePositions.push([len, index++]); + } + } + let normalizationRegex; + if (syllablePositions.length === 0 && noSyllablesRegExp) { + normalizationRegex = noSyllablesRegExp; + } else if (syllablePositions.length > 0 && withSyllablesRegExp) { + normalizationRegex = withSyllablesRegExp; + } else { + const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(""); + const toNormalizeWithNFKC = (0, _pdf_find_utils.getNormalizeWithNFKC)(); + const CJK = "(?:\\p{Ideographic}|[\u3040-\u30FF])"; + const HKDiacritics = "(?:\u3099|\u309A)"; + const regexp = `([${replace}])|([${toNormalizeWithNFKC}])|(${HKDiacritics}\\n)|(\\p{M}+(?:-\\n)?)|(\\S-\\n)|(${CJK}\\n)|(\\n)`; + if (syllablePositions.length === 0) { + normalizationRegex = noSyllablesRegExp = new RegExp(regexp + "|(\\u0000)", "gum"); + } else { + normalizationRegex = withSyllablesRegExp = new RegExp(regexp + `|(${FIRST_CHAR_SYLLABLES_REG_EXP})`, "gum"); + } + } + const rawDiacriticsPositions = []; + while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) { + rawDiacriticsPositions.push([m[0].length, m.index]); + } + let normalized = text.normalize("NFD"); + const positions = [[0, 0]]; + let rawDiacriticsIndex = 0; + let syllableIndex = 0; + let shift = 0; + let shiftOrigin = 0; + let eol = 0; + let hasDiacritics = false; + normalized = normalized.replace(normalizationRegex, (match, p1, p2, p3, p4, p5, p6, p7, p8, i) => { + i -= shiftOrigin; + if (p1) { + const replacement = CHARACTERS_TO_NORMALIZE[p1]; + const jj = replacement.length; + for (let j = 1; j < jj; j++) { + positions.push([i - shift + j, shift - j]); + } + shift -= jj - 1; + return replacement; + } + if (p2) { + let replacement = NFKC_CHARS_TO_NORMALIZE.get(p2); + if (!replacement) { + replacement = p2.normalize("NFKC"); + NFKC_CHARS_TO_NORMALIZE.set(p2, replacement); + } + const jj = replacement.length; + for (let j = 1; j < jj; j++) { + positions.push([i - shift + j, shift - j]); + } + shift -= jj - 1; + return replacement; + } + if (p3) { + hasDiacritics = true; + if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) { + ++rawDiacriticsIndex; + } else { + positions.push([i - 1 - shift + 1, shift - 1]); + shift -= 1; + shiftOrigin += 1; + } + positions.push([i - shift + 1, shift]); + shiftOrigin += 1; + eol += 1; + return p3.charAt(0); + } + if (p4) { + const hasTrailingDashEOL = p4.endsWith("\n"); + const len = hasTrailingDashEOL ? p4.length - 2 : p4.length; + hasDiacritics = true; + let jj = len; + if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) { + jj -= rawDiacriticsPositions[rawDiacriticsIndex][0]; + ++rawDiacriticsIndex; + } + for (let j = 1; j <= jj; j++) { + positions.push([i - 1 - shift + j, shift - j]); + } + shift -= jj; + shiftOrigin += jj; + if (hasTrailingDashEOL) { + i += len - 1; + positions.push([i - shift + 1, 1 + shift]); + shift += 1; + shiftOrigin += 1; + eol += 1; + return p4.slice(0, len); + } + return p4; + } + if (p5) { + const len = p5.length - 2; + positions.push([i - shift + len, 1 + shift]); + shift += 1; + shiftOrigin += 1; + eol += 1; + return p5.slice(0, -2); + } + if (p6) { + const len = p6.length - 1; + positions.push([i - shift + len, shift]); + shiftOrigin += 1; + eol += 1; + return p6.slice(0, -1); + } + if (p7) { + positions.push([i - shift + 1, shift - 1]); + shift -= 1; + shiftOrigin += 1; + eol += 1; + return " "; + } + if (i + eol === syllablePositions[syllableIndex]?.[1]) { + const newCharLen = syllablePositions[syllableIndex][0] - 1; + ++syllableIndex; + for (let j = 1; j <= newCharLen; j++) { + positions.push([i - (shift - j), shift - j]); + } + shift -= newCharLen; + shiftOrigin += newCharLen; + } + return p8; + }); + positions.push([normalized.length, shift]); + return [normalized, positions, hasDiacritics]; + } + + function getOriginalIndex(diffs, pos, len) { + if (!diffs) { + return [pos, len]; + } + const start = pos; + const end = pos + len - 1; + let i = (0, _ui_utils.binarySearchFirstItem)(diffs, x => x[0] >= start); + if (diffs[i][0] > start) { + --i; + } + let j = (0, _ui_utils.binarySearchFirstItem)(diffs, x => x[0] >= end, i); + if (diffs[j][0] > end) { + --j; + } + const oldStart = start + diffs[i][1]; + const oldEnd = end + diffs[j][1]; + const oldLen = oldEnd + 1 - oldStart; + return [oldStart, oldLen]; + } + + class PDFFindController { + #state = null; + #updateMatchesCountOnProgress = true; + #visitedPagesCount = 0; + + constructor({ + linkService, + eventBus, + updateMatchesCountOnProgress = true + }) { + this._linkService = linkService; + this._eventBus = eventBus; + this.#updateMatchesCountOnProgress = updateMatchesCountOnProgress; + this.onIsPageVisible = null; + this.#reset(); + eventBus._on("find", this.#onFind.bind(this)); + eventBus._on("findbarclose", this.#onFindBarClose.bind(this)); + } + + get highlightMatches() { + return this._highlightMatches; + } + + get pageMatches() { + return this._pageMatches; + } + + get pageMatchesLength() { + return this._pageMatchesLength; + } + + get selected() { + return this._selected; + } + + get state() { + return this.#state; + } + + setDocument(pdfDocument) { + if (this._pdfDocument) { + this.#reset(); + } + if (!pdfDocument) { + return; + } + this._pdfDocument = pdfDocument; + this._firstPageCapability.resolve(); + } + + #onFind(state) { + if (!state) { + return; + } + if (state.phraseSearch === false) { + console.error("The `phraseSearch`-parameter was removed, please provide " + "an Array of strings in the `query`-parameter instead."); + if (typeof state.query === "string") { + state.query = state.query.match(/\S+/g); + } + } + const pdfDocument = this._pdfDocument; + const { + type + } = state; + if (this.#state === null || this.#shouldDirtyMatch(state)) { + this._dirtyMatch = true; + } + this.#state = state; + if (type !== "highlightallchange") { + this.#updateUIState(FindState.PENDING); + } + this._firstPageCapability.promise.then(() => { + if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) { + return; + } + this.#extractText(); + const findbarClosed = !this._highlightMatches; + const pendingTimeout = !!this._findTimeout; + if (this._findTimeout) { + clearTimeout(this._findTimeout); + this._findTimeout = null; + } + if (!type) { + this._findTimeout = setTimeout(() => { + this.#nextMatch(); + this._findTimeout = null; + }, FIND_TIMEOUT); + } else if (this._dirtyMatch) { + this.#nextMatch(); + } else if (type === "again") { + this.#nextMatch(); + if (findbarClosed && this.#state.highlightAll) { + this.#updateAllPages(); + } + } else if (type === "highlightallchange") { + if (pendingTimeout) { + this.#nextMatch(); + } else { + this._highlightMatches = true; + } + this.#updateAllPages(); + } else { + this.#nextMatch(); + } + }); + } + + scrollMatchIntoView({ + element = null, + selectedLeft = 0, + pageIndex = -1, + matchIndex = -1 + }) { + if (!this._scrollMatches || !element) { + return; + } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) { + return; + } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) { + return; + } + this._scrollMatches = false; + const spot = { + top: MATCH_SCROLL_OFFSET_TOP, + left: selectedLeft + MATCH_SCROLL_OFFSET_LEFT + }; + (0, _ui_utils.scrollIntoView)(element, spot, true); + } + + #reset() { + this._highlightMatches = false; + this._scrollMatches = false; + this._pdfDocument = null; + this._pageMatches = []; + this._pageMatchesLength = []; + this.#visitedPagesCount = 0; + this.#state = null; + this._selected = { + pageIdx: -1, + matchIdx: -1 + }; + this._offset = { + pageIdx: null, + matchIdx: null, + wrapped: false + }; + this._extractTextPromises = []; + this._pageContents = []; + this._pageDiffs = []; + this._hasDiacritics = []; + this._matchesCountTotal = 0; + this._pagesToSearch = null; + this._pendingFindMatches = new Set(); + this._resumePageIdx = null; + this._dirtyMatch = false; + clearTimeout(this._findTimeout); + this._findTimeout = null; + this._firstPageCapability = new _pdfjsLib.PromiseCapability(); + } + + get #query() { + const { + query + } = this.#state; + if (typeof query === "string") { + if (query !== this._rawQuery) { + this._rawQuery = query; + [this._normalizedQuery] = normalize(query); + } + return this._normalizedQuery; + } + return (query || []).filter(q => !!q).map(q => normalize(q)[0]); + } + + #shouldDirtyMatch(state) { + const newQuery = state.query, + prevQuery = this.#state.query; + const newType = typeof newQuery, + prevType = typeof prevQuery; + if (newType !== prevType) { + return true; + } + if (newType === "string") { + if (newQuery !== prevQuery) { + return true; + } + } else if (JSON.stringify(newQuery) !== JSON.stringify(prevQuery)) { + return true; + } + switch (state.type) { + case "again": + const pageNumber = this._selected.pageIdx + 1; + const linkService = this._linkService; + return pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !(this.onIsPageVisible?.(pageNumber) ?? true); + case "highlightallchange": + return false; + } + return true; + } + + #isEntireWord(content, startIdx, length) { + let match = content.slice(0, startIdx).match(NOT_DIACRITIC_FROM_END_REG_EXP); + if (match) { + const first = content.charCodeAt(startIdx); + const limit = match[1].charCodeAt(0); + if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) { + return false; + } + } + match = content.slice(startIdx + length).match(NOT_DIACRITIC_FROM_START_REG_EXP); + if (match) { + const last = content.charCodeAt(startIdx + length - 1); + const limit = match[1].charCodeAt(0); + if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(limit)) { + return false; + } + } + return true; + } + + #calculateRegExpMatch(query, entireWord, pageIndex, pageContent) { + const matches = this._pageMatches[pageIndex] = []; + const matchesLength = this._pageMatchesLength[pageIndex] = []; + if (!query) { + return; + } + const diffs = this._pageDiffs[pageIndex]; + let match; + while ((match = query.exec(pageContent)) !== null) { + if (entireWord && !this.#isEntireWord(pageContent, match.index, match[0].length)) { + continue; + } + const [matchPos, matchLen] = getOriginalIndex(diffs, match.index, match[0].length); + if (matchLen) { + matches.push(matchPos); + matchesLength.push(matchLen); + } + } + } + + #convertToRegExpString(query, hasDiacritics) { + const { + matchDiacritics + } = this.#state; + let isUnicode = false; + query = query.replaceAll(SPECIAL_CHARS_REG_EXP, (match, p1, p2, p3, p4, p5) => { + if (p1) { + return `[ ]*\\${p1}[ ]*`; + } + if (p2) { + return `[ ]*${p2}[ ]*`; + } + if (p3) { + return "[ ]+"; + } + if (matchDiacritics) { + return p4 || p5; + } + if (p4) { + return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : ""; + } + if (hasDiacritics) { + isUnicode = true; + return `${p5}\\p{M}*`; + } + return p5; + }); + const trailingSpaces = "[ ]*"; + if (query.endsWith(trailingSpaces)) { + query = query.slice(0, query.length - trailingSpaces.length); + } + if (matchDiacritics) { + if (hasDiacritics) { + DIACRITICS_EXCEPTION_STR ||= String.fromCharCode(...DIACRITICS_EXCEPTION); + isUnicode = true; + query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`; + } + } + return [isUnicode, query]; + } + + #calculateMatch(pageIndex) { + let query = this.#query; + if (query.length === 0) { + return; + } + const { + caseSensitive, + entireWord + } = this.#state; + const pageContent = this._pageContents[pageIndex]; + const hasDiacritics = this._hasDiacritics[pageIndex]; + let isUnicode = false; + if (typeof query === "string") { + [isUnicode, query] = this.#convertToRegExpString(query, hasDiacritics); + } else { + query = query.sort().reverse().map(q => { + const [isUnicodePart, queryPart] = this.#convertToRegExpString(q, hasDiacritics); + isUnicode ||= isUnicodePart; + return `(${queryPart})`; + }).join("|"); + } + const flags = `g${isUnicode ? "u" : ""}${caseSensitive ? "" : "i"}`; + query = query ? new RegExp(query, flags) : null; + this.#calculateRegExpMatch(query, entireWord, pageIndex, pageContent); + if (this.#state.highlightAll) { + this.#updatePage(pageIndex); + } + if (this._resumePageIdx === pageIndex) { + this._resumePageIdx = null; + this.#nextPageMatch(); + } + const pageMatchesCount = this._pageMatches[pageIndex].length; + this._matchesCountTotal += pageMatchesCount; + if (this.#updateMatchesCountOnProgress) { + if (pageMatchesCount > 0) { + this.#updateUIResultsCount(); + } + } else if (++this.#visitedPagesCount === this._linkService.pagesCount) { + this.#updateUIResultsCount(); + } + } + + #extractText() { + if (this._extractTextPromises.length > 0) { + return; + } + let promise = Promise.resolve(); + const textOptions = { + disableNormalization: true + }; + for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) { + const extractTextCapability = new _pdfjsLib.PromiseCapability(); + this._extractTextPromises[i] = extractTextCapability.promise; + promise = promise.then(() => { + return this._pdfDocument.getPage(i + 1).then(pdfPage => { + return pdfPage.getTextContent(textOptions); + }).then(textContent => { + const strBuf = []; + for (const textItem of textContent.items) { + strBuf.push(textItem.str); + if (textItem.hasEOL) { + strBuf.push("\n"); + } + } + [this._pageContents[i], this._pageDiffs[i], this._hasDiacritics[i]] = normalize(strBuf.join("")); + extractTextCapability.resolve(); + }, reason => { + console.error(`Unable to get text content for page ${i + 1}`, reason); + this._pageContents[i] = ""; + this._pageDiffs[i] = null; + this._hasDiacritics[i] = false; + extractTextCapability.resolve(); + }); + }); + } + } + + #updatePage(index) { + if (this._scrollMatches && this._selected.pageIdx === index) { + this._linkService.page = index + 1; + } + this._eventBus.dispatch("updatetextlayermatches", { + source: this, + pageIndex: index + }); + } + + #updateAllPages() { + this._eventBus.dispatch("updatetextlayermatches", { + source: this, + pageIndex: -1 + }); + } + + #nextMatch() { + const previous = this.#state.findPrevious; + const currentPageIndex = this._linkService.page - 1; + const numPages = this._linkService.pagesCount; + this._highlightMatches = true; + if (this._dirtyMatch) { + this._dirtyMatch = false; + this._selected.pageIdx = this._selected.matchIdx = -1; + this._offset.pageIdx = currentPageIndex; + this._offset.matchIdx = null; + this._offset.wrapped = false; + this._resumePageIdx = null; + this._pageMatches.length = 0; + this._pageMatchesLength.length = 0; + this.#visitedPagesCount = 0; + this._matchesCountTotal = 0; + this.#updateAllPages(); + for (let i = 0; i < numPages; i++) { + if (this._pendingFindMatches.has(i)) { + continue; + } + this._pendingFindMatches.add(i); + this._extractTextPromises[i].then(() => { + this._pendingFindMatches.delete(i); + this.#calculateMatch(i); + }); + } + } + const query = this.#query; + if (query.length === 0) { + this.#updateUIState(FindState.FOUND); + return; + } + if (this._resumePageIdx) { + return; + } + const offset = this._offset; + this._pagesToSearch = numPages; + if (offset.matchIdx !== null) { + const numPageMatches = this._pageMatches[offset.pageIdx].length; + if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) { + offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1; + this.#updateMatch(true); + return; + } + this.#advanceOffsetPage(previous); + } + this.#nextPageMatch(); + } + + #matchesReady(matches) { + const offset = this._offset; + const numMatches = matches.length; + const previous = this.#state.findPrevious; + if (numMatches) { + offset.matchIdx = previous ? numMatches - 1 : 0; + this.#updateMatch(true); + return true; + } + this.#advanceOffsetPage(previous); + if (offset.wrapped) { + offset.matchIdx = null; + if (this._pagesToSearch < 0) { + this.#updateMatch(false); + return true; + } + } + return false; + } + + #nextPageMatch() { + if (this._resumePageIdx !== null) { + console.error("There can only be one pending page."); + } + let matches = null; + do { + const pageIdx = this._offset.pageIdx; + matches = this._pageMatches[pageIdx]; + if (!matches) { + this._resumePageIdx = pageIdx; + break; + } + } while (!this.#matchesReady(matches)); + } + + #advanceOffsetPage(previous) { + const offset = this._offset; + const numPages = this._linkService.pagesCount; + offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1; + offset.matchIdx = null; + this._pagesToSearch--; + if (offset.pageIdx >= numPages || offset.pageIdx < 0) { + offset.pageIdx = previous ? numPages - 1 : 0; + offset.wrapped = true; + } + } + + #updateMatch(found = false) { + let state = FindState.NOT_FOUND; + const wrapped = this._offset.wrapped; + this._offset.wrapped = false; + if (found) { + const previousPage = this._selected.pageIdx; + this._selected.pageIdx = this._offset.pageIdx; + this._selected.matchIdx = this._offset.matchIdx; + state = wrapped ? FindState.WRAPPED : FindState.FOUND; + if (previousPage !== -1 && previousPage !== this._selected.pageIdx) { + this.#updatePage(previousPage); + } + } + this.#updateUIState(state, this.#state.findPrevious); + if (this._selected.pageIdx !== -1) { + this._scrollMatches = true; + this.#updatePage(this._selected.pageIdx); + } + } + + #onFindBarClose(evt) { + const pdfDocument = this._pdfDocument; + this._firstPageCapability.promise.then(() => { + if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) { + return; + } + if (this._findTimeout) { + clearTimeout(this._findTimeout); + this._findTimeout = null; + } + if (this._resumePageIdx) { + this._resumePageIdx = null; + this._dirtyMatch = true; + } + this.#updateUIState(FindState.FOUND); + this._highlightMatches = false; + this.#updateAllPages(); + }); + } + + #requestMatchesCount() { + const { + pageIdx, + matchIdx + } = this._selected; + let current = 0, + total = this._matchesCountTotal; + if (matchIdx !== -1) { + for (let i = 0; i < pageIdx; i++) { + current += this._pageMatches[i]?.length || 0; + } + current += matchIdx + 1; + } + if (current < 1 || current > total) { + current = total = 0; + } + return { + current, + total + }; + } + + #updateUIResultsCount() { + this._eventBus.dispatch("updatefindmatchescount", { + source: this, + matchesCount: this.#requestMatchesCount() + }); + } + + #updateUIState(state, previous = false) { + if (!this.#updateMatchesCountOnProgress && (this.#visitedPagesCount !== this._linkService.pagesCount || state === FindState.PENDING)) { + return; + } + this._eventBus.dispatch("updatefindcontrolstate", { + source: this, + state, + previous, + matchesCount: this.#requestMatchesCount(), + rawQuery: this.#state?.query ?? null + }); + } + } + + exports.PDFFindController = PDFFindController; + + /***/ + }), + /* 19 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.CharacterType = void 0; + exports.getCharacterType = getCharacterType; + exports.getNormalizeWithNFKC = getNormalizeWithNFKC; + const CharacterType = { + SPACE: 0, + ALPHA_LETTER: 1, + PUNCT: 2, + HAN_LETTER: 3, + KATAKANA_LETTER: 4, + HIRAGANA_LETTER: 5, + HALFWIDTH_KATAKANA_LETTER: 6, + THAI_LETTER: 7 + }; + exports.CharacterType = CharacterType; + + function isAlphabeticalScript(charCode) { + return charCode < 0x2e80; + } + + function isAscii(charCode) { + return (charCode & 0xff80) === 0; + } + + function isAsciiAlpha(charCode) { + return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a; + } + + function isAsciiDigit(charCode) { + return charCode >= 0x30 && charCode <= 0x39; + } + + function isAsciiSpace(charCode) { + return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a; + } + + function isHan(charCode) { + return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff; + } + + function isKatakana(charCode) { + return charCode >= 0x30a0 && charCode <= 0x30ff; + } + + function isHiragana(charCode) { + return charCode >= 0x3040 && charCode <= 0x309f; + } + + function isHalfwidthKatakana(charCode) { + return charCode >= 0xff60 && charCode <= 0xff9f; + } + + function isThai(charCode) { + return (charCode & 0xff80) === 0x0e00; + } + + function getCharacterType(charCode) { + if (isAlphabeticalScript(charCode)) { + if (isAscii(charCode)) { + if (isAsciiSpace(charCode)) { + return CharacterType.SPACE; + } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) { + return CharacterType.ALPHA_LETTER; + } + return CharacterType.PUNCT; + } else if (isThai(charCode)) { + return CharacterType.THAI_LETTER; + } else if (charCode === 0xa0) { + return CharacterType.SPACE; + } + return CharacterType.ALPHA_LETTER; + } + if (isHan(charCode)) { + return CharacterType.HAN_LETTER; + } else if (isKatakana(charCode)) { + return CharacterType.KATAKANA_LETTER; + } else if (isHiragana(charCode)) { + return CharacterType.HIRAGANA_LETTER; + } else if (isHalfwidthKatakana(charCode)) { + return CharacterType.HALFWIDTH_KATAKANA_LETTER; + } + return CharacterType.ALPHA_LETTER; + } + + let NormalizeWithNFKC; + + function getNormalizeWithNFKC() { + NormalizeWithNFKC ||= ` ¨ª¯²-µ¸-º¼-¾IJ-ijĿ-ŀʼnſDŽ-njDZ-dzʰ-ʸ˘-˝ˠ-ˤʹͺ;΄-΅·ϐ-ϖϰ-ϲϴ-ϵϹևٵ-ٸक़-य़ড়-ঢ়য়ਲ਼ਸ਼ਖ਼-ਜ਼ਫ਼ଡ଼-ଢ଼ำຳໜ-ໝ༌གྷཌྷདྷབྷཛྷཀྵჼᴬ-ᴮᴰ-ᴺᴼ-ᵍᵏ-ᵪᵸᶛ-ᶿẚ-ẛάέήίόύώΆ᾽-῁ΈΉ῍-῏ΐΊ῝-῟ΰΎ῭-`ΌΏ´-῾ - ‑‗․-… ″-‴‶-‷‼‾⁇-⁉⁗ ⁰-ⁱ⁴-₎ₐ-ₜ₨℀-℃℅-ℇ℉-ℓℕ-№ℙ-ℝ℠-™ℤΩℨK-ℭℯ-ℱℳ-ℹ℻-⅀ⅅ-ⅉ⅐-ⅿ↉∬-∭∯-∰〈-〉①-⓪⨌⩴-⩶⫝̸ⱼ-ⱽⵯ⺟⻳⼀-⿕　〶〸-〺゛-゜ゟヿㄱ-ㆎ㆒-㆟㈀-㈞㈠-㉇㉐-㉾㊀-㏿ꚜ-ꚝꝰꟲ-ꟴꟸ-ꟹꭜ-ꭟꭩ豈-嗀塚晴凞-羽蘒諸逸-都飯-舘並-龎ff-stﬓ-ﬗיִײַ-זּטּ-לּמּנּ-סּףּ-פּצּ-ﮱﯓ-ﴽﵐ-ﶏﶒ-ﷇﷰ-﷼︐-︙︰-﹄﹇-﹒﹔-﹦﹨-﹫ﹰ-ﹲﹴﹶ-ﻼ！-ﾾￂ-ￇￊ-ￏￒ-ￗￚ-ￜ￠-￦`; + return NormalizeWithNFKC; + } + + /***/ + }), + /* 20 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFHistory = void 0; + exports.isDestArraysEqual = isDestArraysEqual; + exports.isDestHashesEqual = isDestHashesEqual; + var _ui_utils = __webpack_require__(3); + var _event_utils = __webpack_require__(6); + const HASH_CHANGE_TIMEOUT = 1000; + const POSITION_UPDATED_THRESHOLD = 50; + const UPDATE_VIEWAREA_TIMEOUT = 1000; + + function getCurrentHash() { + return document.location.hash; + } + + class PDFHistory { + constructor({ + linkService, + eventBus + }) { + this.linkService = linkService; + this.eventBus = eventBus; + this._initialized = false; + this._fingerprint = ""; + this.reset(); + this._boundEvents = null; + this.eventBus._on("pagesinit", () => { + this._isPagesLoaded = false; + this.eventBus._on("pagesloaded", evt => { + this._isPagesLoaded = !!evt.pagesCount; + }, { + once: true + }); + }); + } + + initialize({ + fingerprint, + resetHistory = false, + updateUrl = false + }) { + if (!fingerprint || typeof fingerprint !== "string") { + console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.'); + return; + } + if (this._initialized) { + this.reset(); + } + const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint; + this._fingerprint = fingerprint; + this._updateUrl = updateUrl === true; + this._initialized = true; + this._bindEvents(); + const state = window.history.state; + this._popStateInProgress = false; + this._blockHashChange = 0; + this._currentHash = getCurrentHash(); + this._numPositionUpdates = 0; + this._uid = this._maxUid = 0; + this._destination = null; + this._position = null; + if (!this._isValidState(state, true) || resetHistory) { + const { + hash, + page, + rotation + } = this._parseCurrentHash(true); + if (!hash || reInitialized || resetHistory) { + this._pushOrReplaceState(null, true); + return; + } + this._pushOrReplaceState({ + hash, + page, + rotation + }, true); + return; + } + const destination = state.destination; + this._updateInternalState(destination, state.uid, true); + if (destination.rotation !== undefined) { + this._initialRotation = destination.rotation; + } + if (destination.dest) { + this._initialBookmark = JSON.stringify(destination.dest); + this._destination.page = null; + } else if (destination.hash) { + this._initialBookmark = destination.hash; + } else if (destination.page) { + this._initialBookmark = `page=${destination.page}`; + } + } + + reset() { + if (this._initialized) { + this._pageHide(); + this._initialized = false; + this._unbindEvents(); + } + if (this._updateViewareaTimeout) { + clearTimeout(this._updateViewareaTimeout); + this._updateViewareaTimeout = null; + } + this._initialBookmark = null; + this._initialRotation = null; + } + + push({ + namedDest = null, + explicitDest, + pageNumber + }) { + if (!this._initialized) { + return; + } + if (namedDest && typeof namedDest !== "string") { + console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`); + return; + } else if (!Array.isArray(explicitDest)) { + console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`); + return; + } else if (!this._isValidPage(pageNumber)) { + if (pageNumber !== null || this._destination) { + console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`); + return; + } + } + const hash = namedDest || JSON.stringify(explicitDest); + if (!hash) { + return; + } + let forceReplace = false; + if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) { + if (this._destination.page) { + return; + } + forceReplace = true; + } + if (this._popStateInProgress && !forceReplace) { + return; + } + this._pushOrReplaceState({ + dest: explicitDest, + hash, + page: pageNumber, + rotation: this.linkService.rotation + }, forceReplace); + if (!this._popStateInProgress) { + this._popStateInProgress = true; + Promise.resolve().then(() => { + this._popStateInProgress = false; + }); + } + } + + pushPage(pageNumber) { + if (!this._initialized) { + return; + } + if (!this._isValidPage(pageNumber)) { + console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`); + return; + } + if (this._destination?.page === pageNumber) { + return; + } + if (this._popStateInProgress) { + return; + } + this._pushOrReplaceState({ + dest: null, + hash: `page=${pageNumber}`, + page: pageNumber, + rotation: this.linkService.rotation + }); + if (!this._popStateInProgress) { + this._popStateInProgress = true; + Promise.resolve().then(() => { + this._popStateInProgress = false; + }); + } + } + + pushCurrentPosition() { + if (!this._initialized || this._popStateInProgress) { + return; + } + this._tryPushCurrentPosition(); + } + + back() { + if (!this._initialized || this._popStateInProgress) { + return; + } + const state = window.history.state; + if (this._isValidState(state) && state.uid > 0) { + window.history.back(); + } + } + + forward() { + if (!this._initialized || this._popStateInProgress) { + return; + } + const state = window.history.state; + if (this._isValidState(state) && state.uid < this._maxUid) { + window.history.forward(); + } + } + + get popStateInProgress() { + return this._initialized && (this._popStateInProgress || this._blockHashChange > 0); + } + + get initialBookmark() { + return this._initialized ? this._initialBookmark : null; + } + + get initialRotation() { + return this._initialized ? this._initialRotation : null; + } + + _pushOrReplaceState(destination, forceReplace = false) { + const shouldReplace = forceReplace || !this._destination; + const newState = { + fingerprint: this._fingerprint, + uid: shouldReplace ? this._uid : this._uid + 1, + destination + }; + this._updateInternalState(destination, newState.uid); + let newUrl; + if (this._updateUrl && destination?.hash) { + const baseUrl = document.location.href.split("#")[0]; + if (!baseUrl.startsWith("file://")) { + newUrl = `${baseUrl}#${destination.hash}`; + } + } + if (shouldReplace) { + window.history.replaceState(newState, "", newUrl); + } else { + window.history.pushState(newState, "", newUrl); + } + } + + _tryPushCurrentPosition(temporary = false) { + if (!this._position) { + return; + } + let position = this._position; + if (temporary) { + position = Object.assign(Object.create(null), this._position); + position.temporary = true; + } + if (!this._destination) { + this._pushOrReplaceState(position); + return; + } + if (this._destination.temporary) { + this._pushOrReplaceState(position, true); + return; + } + if (this._destination.hash === position.hash) { + return; + } + if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) { + return; + } + let forceReplace = false; + if (this._destination.page >= position.first && this._destination.page <= position.page) { + if (this._destination.dest !== undefined || !this._destination.first) { + return; + } + forceReplace = true; + } + this._pushOrReplaceState(position, forceReplace); + } + + _isValidPage(val) { + return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount; + } + + _isValidState(state, checkReload = false) { + if (!state) { + return false; + } + if (state.fingerprint !== this._fingerprint) { + if (checkReload) { + if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) { + return false; + } + const [perfEntry] = performance.getEntriesByType("navigation"); + if (perfEntry?.type !== "reload") { + return false; + } + } else { + return false; + } + } + if (!Number.isInteger(state.uid) || state.uid < 0) { + return false; + } + if (state.destination === null || typeof state.destination !== "object") { + return false; + } + return true; + } + + _updateInternalState(destination, uid, removeTemporary = false) { + if (this._updateViewareaTimeout) { + clearTimeout(this._updateViewareaTimeout); + this._updateViewareaTimeout = null; + } + if (removeTemporary && destination?.temporary) { + delete destination.temporary; + } + this._destination = destination; + this._uid = uid; + this._maxUid = Math.max(this._maxUid, uid); + this._numPositionUpdates = 0; + } + + _parseCurrentHash(checkNameddest = false) { + const hash = unescape(getCurrentHash()).substring(1); + const params = (0, _ui_utils.parseQueryString)(hash); + const nameddest = params.get("nameddest") || ""; + let page = params.get("page") | 0; + if (!this._isValidPage(page) || checkNameddest && nameddest.length > 0) { + page = null; + } + return { + hash, + page, + rotation: this.linkService.rotation + }; + } + + _updateViewarea({ + location + }) { + if (this._updateViewareaTimeout) { + clearTimeout(this._updateViewareaTimeout); + this._updateViewareaTimeout = null; + } + this._position = { + hash: location.pdfOpenParams.substring(1), + page: this.linkService.page, + first: location.pageNumber, + rotation: location.rotation + }; + if (this._popStateInProgress) { + return; + } + if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) { + this._numPositionUpdates++; + } + if (UPDATE_VIEWAREA_TIMEOUT > 0) { + this._updateViewareaTimeout = setTimeout(() => { + if (!this._popStateInProgress) { + this._tryPushCurrentPosition(true); + } + this._updateViewareaTimeout = null; + }, UPDATE_VIEWAREA_TIMEOUT); + } + } + + _popState({ + state + }) { + const newHash = getCurrentHash(), + hashChanged = this._currentHash !== newHash; + this._currentHash = newHash; + if (!state) { + this._uid++; + const { + hash, + page, + rotation + } = this._parseCurrentHash(); + this._pushOrReplaceState({ + hash, + page, + rotation + }, true); + return; + } + if (!this._isValidState(state)) { + return; + } + this._popStateInProgress = true; + if (hashChanged) { + this._blockHashChange++; + (0, _event_utils.waitOnEventOrTimeout)({ + target: window, + name: "hashchange", + delay: HASH_CHANGE_TIMEOUT + }).then(() => { + this._blockHashChange--; + }); + } + const destination = state.destination; + this._updateInternalState(destination, state.uid, true); + if ((0, _ui_utils.isValidRotation)(destination.rotation)) { + this.linkService.rotation = destination.rotation; + } + if (destination.dest) { + this.linkService.goToDestination(destination.dest); + } else if (destination.hash) { + this.linkService.setHash(destination.hash); + } else if (destination.page) { + this.linkService.page = destination.page; + } + Promise.resolve().then(() => { + this._popStateInProgress = false; + }); + } + + _pageHide() { + if (!this._destination || this._destination.temporary) { + this._tryPushCurrentPosition(); + } + } + + _bindEvents() { + if (this._boundEvents) { + return; + } + this._boundEvents = { + updateViewarea: this._updateViewarea.bind(this), + popState: this._popState.bind(this), + pageHide: this._pageHide.bind(this) + }; + this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea); + window.addEventListener("popstate", this._boundEvents.popState); + window.addEventListener("pagehide", this._boundEvents.pageHide); + } + + _unbindEvents() { + if (!this._boundEvents) { + return; + } + this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea); + window.removeEventListener("popstate", this._boundEvents.popState); + window.removeEventListener("pagehide", this._boundEvents.pageHide); + this._boundEvents = null; + } + } + + exports.PDFHistory = PDFHistory; + + function isDestHashesEqual(destHash, pushHash) { + if (typeof destHash !== "string" || typeof pushHash !== "string") { + return false; + } + if (destHash === pushHash) { + return true; + } + const nameddest = (0, _ui_utils.parseQueryString)(destHash).get("nameddest"); + if (nameddest === pushHash) { + return true; + } + return false; + } + + function isDestArraysEqual(firstDest, secondDest) { + function isEntryEqual(first, second) { + if (typeof first !== typeof second) { + return false; + } + if (Array.isArray(first) || Array.isArray(second)) { + return false; + } + if (first !== null && typeof first === "object" && second !== null) { + if (Object.keys(first).length !== Object.keys(second).length) { + return false; + } + for (const key in first) { + if (!isEntryEqual(first[key], second[key])) { + return false; + } + } + return true; + } + return first === second || Number.isNaN(first) && Number.isNaN(second); + } + + if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) { + return false; + } + if (firstDest.length !== secondDest.length) { + return false; + } + for (let i = 0, ii = firstDest.length; i < ii; i++) { + if (!isEntryEqual(firstDest[i], secondDest[i])) { + return false; + } + } + return true; + } + + /***/ + }), + /* 21 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFLayerViewer = void 0; + var _base_tree_viewer = __webpack_require__(13); + + class PDFLayerViewer extends _base_tree_viewer.BaseTreeViewer { + constructor(options) { + super(options); + this.l10n = options.l10n; + this.eventBus._on("optionalcontentconfigchanged", evt => { + this.#updateLayers(evt.promise); + }); + this.eventBus._on("resetlayers", () => { + this.#updateLayers(); + }); + this.eventBus._on("togglelayerstree", this._toggleAllTreeItems.bind(this)); + } + + reset() { + super.reset(); + this._optionalContentConfig = null; + this._optionalContentHash = null; + } + + _dispatchEvent(layersCount) { + this.eventBus.dispatch("layersloaded", { + source: this, + layersCount + }); + } + + _bindLink(element, { + groupId, + input + }) { + const setVisibility = () => { + this._optionalContentConfig.setVisibility(groupId, input.checked); + this._optionalContentHash = this._optionalContentConfig.getHash(); + this.eventBus.dispatch("optionalcontentconfig", { + source: this, + promise: Promise.resolve(this._optionalContentConfig) + }); + }; + element.onclick = evt => { + if (evt.target === input) { + setVisibility(); + return true; + } else if (evt.target !== element) { + return true; + } + input.checked = !input.checked; + setVisibility(); + return false; + }; + } + + async _setNestedName(element, { + name = null + }) { + if (typeof name === "string") { + element.textContent = this._normalizeTextContent(name); + return; + } + element.textContent = await this.l10n.get("additional_layers"); + element.style.fontStyle = "italic"; + } + + _addToggleButton(div, { + name = null + }) { + super._addToggleButton(div, name === null); + } + + _toggleAllTreeItems() { + if (!this._optionalContentConfig) { + return; + } + super._toggleAllTreeItems(); + } + + render({ + optionalContentConfig, + pdfDocument + }) { + if (this._optionalContentConfig) { + this.reset(); + } + this._optionalContentConfig = optionalContentConfig || null; + this._pdfDocument = pdfDocument || null; + const groups = optionalContentConfig?.getOrder(); + if (!groups) { + this._dispatchEvent(0); + return; + } + this._optionalContentHash = optionalContentConfig.getHash(); + const fragment = document.createDocumentFragment(), + queue = [{ + parent: fragment, + groups + }]; + let layersCount = 0, + hasAnyNesting = false; + while (queue.length > 0) { + const levelData = queue.shift(); + for (const groupId of levelData.groups) { + const div = document.createElement("div"); + div.className = "treeItem"; + const element = document.createElement("a"); + div.append(element); + if (typeof groupId === "object") { + hasAnyNesting = true; + this._addToggleButton(div, groupId); + this._setNestedName(element, groupId); + const itemsDiv = document.createElement("div"); + itemsDiv.className = "treeItems"; + div.append(itemsDiv); + queue.push({ + parent: itemsDiv, + groups: groupId.order + }); + } else { + const group = optionalContentConfig.getGroup(groupId); + const input = document.createElement("input"); + this._bindLink(element, { + groupId, + input + }); + input.type = "checkbox"; + input.checked = group.visible; + const label = document.createElement("label"); + label.textContent = this._normalizeTextContent(group.name); + label.append(input); + element.append(label); + layersCount++; + } + levelData.parent.append(div); + } + } + this._finishRendering(fragment, layersCount, hasAnyNesting); + } + + async #updateLayers(promise = null) { + if (!this._optionalContentConfig) { + return; + } + const pdfDocument = this._pdfDocument; + const optionalContentConfig = await (promise || pdfDocument.getOptionalContentConfig()); + if (pdfDocument !== this._pdfDocument) { + return; + } + if (promise) { + if (optionalContentConfig.getHash() === this._optionalContentHash) { + return; + } + } else { + this.eventBus.dispatch("optionalcontentconfig", { + source: this, + promise: Promise.resolve(optionalContentConfig) + }); + } + this.render({ + optionalContentConfig, + pdfDocument: this._pdfDocument + }); + } + } + + exports.PDFLayerViewer = PDFLayerViewer; + + /***/ + }), + /* 22 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFOutlineViewer = void 0; + var _base_tree_viewer = __webpack_require__(13); + var _pdfjsLib = __webpack_require__(4); + var _ui_utils = __webpack_require__(3); + + class PDFOutlineViewer extends _base_tree_viewer.BaseTreeViewer { + constructor(options) { + super(options); + this.linkService = options.linkService; + this.downloadManager = options.downloadManager; + this.eventBus._on("toggleoutlinetree", this._toggleAllTreeItems.bind(this)); + this.eventBus._on("currentoutlineitem", this._currentOutlineItem.bind(this)); + this.eventBus._on("pagechanging", evt => { + this._currentPageNumber = evt.pageNumber; + }); + this.eventBus._on("pagesloaded", evt => { + this._isPagesLoaded = !!evt.pagesCount; + if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) { + this._currentOutlineItemCapability.resolve(this._isPagesLoaded); + } + }); + this.eventBus._on("sidebarviewchanged", evt => { + this._sidebarView = evt.view; + }); + } + + reset() { + super.reset(); + this._outline = null; + this._pageNumberToDestHashCapability = null; + this._currentPageNumber = 1; + this._isPagesLoaded = null; + if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) { + this._currentOutlineItemCapability.resolve(false); + } + this._currentOutlineItemCapability = null; + } + + _dispatchEvent(outlineCount) { + this._currentOutlineItemCapability = new _pdfjsLib.PromiseCapability(); + if (outlineCount === 0 || this._pdfDocument?.loadingParams.disableAutoFetch) { + this._currentOutlineItemCapability.resolve(false); + } else if (this._isPagesLoaded !== null) { + this._currentOutlineItemCapability.resolve(this._isPagesLoaded); + } + this.eventBus.dispatch("outlineloaded", { + source: this, + outlineCount, + currentOutlineItemPromise: this._currentOutlineItemCapability.promise + }); + } + + _bindLink(element, { + url, + newWindow, + action, + attachment, + dest, + setOCGState + }) { + const { + linkService + } = this; + if (url) { + linkService.addLinkAttributes(element, url, newWindow); + return; + } + if (action) { + element.href = linkService.getAnchorUrl(""); + element.onclick = () => { + linkService.executeNamedAction(action); + return false; + }; + return; + } + if (attachment) { + element.href = linkService.getAnchorUrl(""); + element.onclick = () => { + this.downloadManager.openOrDownloadData(element, attachment.content, attachment.filename); + return false; + }; + return; + } + if (setOCGState) { + element.href = linkService.getAnchorUrl(""); + element.onclick = () => { + linkService.executeSetOCGState(setOCGState); + return false; + }; + return; + } + element.href = linkService.getDestinationHash(dest); + element.onclick = evt => { + this._updateCurrentTreeItem(evt.target.parentNode); + if (dest) { + linkService.goToDestination(dest); + } + return false; + }; + } + + _setStyles(element, { + bold, + italic + }) { + if (bold) { + element.style.fontWeight = "bold"; + } + if (italic) { + element.style.fontStyle = "italic"; + } + } + + _addToggleButton(div, { + count, + items + }) { + let hidden = false; + if (count < 0) { + let totalCount = items.length; + if (totalCount > 0) { + const queue = [...items]; + while (queue.length > 0) { + const { + count: nestedCount, + items: nestedItems + } = queue.shift(); + if (nestedCount > 0 && nestedItems.length > 0) { + totalCount += nestedItems.length; + queue.push(...nestedItems); + } + } + } + if (Math.abs(count) === totalCount) { + hidden = true; + } + } + super._addToggleButton(div, hidden); + } + + _toggleAllTreeItems() { + if (!this._outline) { + return; + } + super._toggleAllTreeItems(); + } + + render({ + outline, + pdfDocument + }) { + if (this._outline) { + this.reset(); + } + this._outline = outline || null; + this._pdfDocument = pdfDocument || null; + if (!outline) { + this._dispatchEvent(0); + return; + } + const fragment = document.createDocumentFragment(); + const queue = [{ + parent: fragment, + items: outline + }]; + let outlineCount = 0, + hasAnyNesting = false; + while (queue.length > 0) { + const levelData = queue.shift(); + for (const item of levelData.items) { + const div = document.createElement("div"); + div.className = "treeItem"; + const element = document.createElement("a"); + this._bindLink(element, item); + this._setStyles(element, item); + element.textContent = this._normalizeTextContent(item.title); + div.append(element); + if (item.items.length > 0) { + hasAnyNesting = true; + this._addToggleButton(div, item); + const itemsDiv = document.createElement("div"); + itemsDiv.className = "treeItems"; + div.append(itemsDiv); + queue.push({ + parent: itemsDiv, + items: item.items + }); + } + levelData.parent.append(div); + outlineCount++; + } + } + this._finishRendering(fragment, outlineCount, hasAnyNesting); + } + + async _currentOutlineItem() { + if (!this._isPagesLoaded) { + throw new Error("_currentOutlineItem: All pages have not been loaded."); + } + if (!this._outline || !this._pdfDocument) { + return; + } + const pageNumberToDestHash = await this._getPageNumberToDestHash(this._pdfDocument); + if (!pageNumberToDestHash) { + return; + } + this._updateCurrentTreeItem(null); + if (this._sidebarView !== _ui_utils.SidebarView.OUTLINE) { + return; + } + for (let i = this._currentPageNumber; i > 0; i--) { + const destHash = pageNumberToDestHash.get(i); + if (!destHash) { + continue; + } + const linkElement = this.container.querySelector(`a[href="${destHash}"]`); + if (!linkElement) { + continue; + } + this._scrollToCurrentTreeItem(linkElement.parentNode); + break; + } + } + + async _getPageNumberToDestHash(pdfDocument) { + if (this._pageNumberToDestHashCapability) { + return this._pageNumberToDestHashCapability.promise; + } + this._pageNumberToDestHashCapability = new _pdfjsLib.PromiseCapability(); + const pageNumberToDestHash = new Map(), + pageNumberNesting = new Map(); + const queue = [{ + nesting: 0, + items: this._outline + }]; + while (queue.length > 0) { + const levelData = queue.shift(), + currentNesting = levelData.nesting; + for (const { + dest, + items + } of levelData.items) { + let explicitDest, pageNumber; + if (typeof dest === "string") { + explicitDest = await pdfDocument.getDestination(dest); + if (pdfDocument !== this._pdfDocument) { + return null; + } + } else { + explicitDest = dest; + } + if (Array.isArray(explicitDest)) { + const [destRef] = explicitDest; + if (typeof destRef === "object" && destRef !== null) { + pageNumber = this.linkService._cachedPageNumber(destRef); + if (!pageNumber) { + try { + pageNumber = (await pdfDocument.getPageIndex(destRef)) + 1; + if (pdfDocument !== this._pdfDocument) { + return null; + } + this.linkService.cachePageRef(pageNumber, destRef); + } catch { + } + } + } else if (Number.isInteger(destRef)) { + pageNumber = destRef + 1; + } + if (Number.isInteger(pageNumber) && (!pageNumberToDestHash.has(pageNumber) || currentNesting > pageNumberNesting.get(pageNumber))) { + const destHash = this.linkService.getDestinationHash(dest); + pageNumberToDestHash.set(pageNumber, destHash); + pageNumberNesting.set(pageNumber, currentNesting); + } + } + if (items.length > 0) { + queue.push({ + nesting: currentNesting + 1, + items + }); + } + } + } + this._pageNumberToDestHashCapability.resolve(pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null); + return this._pageNumberToDestHashCapability.promise; + } + } + + exports.PDFOutlineViewer = PDFOutlineViewer; + + /***/ + }), + /* 23 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFPresentationMode = void 0; + var _ui_utils = __webpack_require__(3); + var _pdfjsLib = __webpack_require__(4); + const DELAY_BEFORE_HIDING_CONTROLS = 3000; + const ACTIVE_SELECTOR = "pdfPresentationMode"; + const CONTROLS_SELECTOR = "pdfPresentationModeControls"; + const MOUSE_SCROLL_COOLDOWN_TIME = 50; + const PAGE_SWITCH_THRESHOLD = 0.1; + const SWIPE_MIN_DISTANCE_THRESHOLD = 50; + const SWIPE_ANGLE_THRESHOLD = Math.PI / 6; + + class PDFPresentationMode { + #state = _ui_utils.PresentationModeState.UNKNOWN; + #args = null; + + constructor({ + container, + pdfViewer, + eventBus + }) { + this.container = container; + this.pdfViewer = pdfViewer; + this.eventBus = eventBus; + this.contextMenuOpen = false; + this.mouseScrollTimeStamp = 0; + this.mouseScrollDelta = 0; + this.touchSwipeState = null; + } + + async request() { + const { + container, + pdfViewer + } = this; + if (this.active || !pdfViewer.pagesCount || !container.requestFullscreen) { + return false; + } + this.#addFullscreenChangeListeners(); + this.#notifyStateChange(_ui_utils.PresentationModeState.CHANGING); + const promise = container.requestFullscreen(); + this.#args = { + pageNumber: pdfViewer.currentPageNumber, + scaleValue: pdfViewer.currentScaleValue, + scrollMode: pdfViewer.scrollMode, + spreadMode: null, + annotationEditorMode: null + }; + if (pdfViewer.spreadMode !== _ui_utils.SpreadMode.NONE && !(pdfViewer.pageViewsReady && pdfViewer.hasEqualPageSizes)) { + console.warn("Ignoring Spread modes when entering PresentationMode, " + "since the document may contain varying page sizes."); + this.#args.spreadMode = pdfViewer.spreadMode; + } + if (pdfViewer.annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) { + this.#args.annotationEditorMode = pdfViewer.annotationEditorMode; + } + try { + await promise; + pdfViewer.focus(); + return true; + } catch { + this.#removeFullscreenChangeListeners(); + this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL); + } + return false; + } + + get active() { + return this.#state === _ui_utils.PresentationModeState.CHANGING || this.#state === _ui_utils.PresentationModeState.FULLSCREEN; + } + + #mouseWheel(evt) { + if (!this.active) { + return; + } + evt.preventDefault(); + const delta = (0, _ui_utils.normalizeWheelEventDelta)(evt); + const currentTime = Date.now(); + const storedTime = this.mouseScrollTimeStamp; + if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) { + return; + } + if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) { + this.#resetMouseScrollState(); + } + this.mouseScrollDelta += delta; + if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) { + const totalDelta = this.mouseScrollDelta; + this.#resetMouseScrollState(); + const success = totalDelta > 0 ? this.pdfViewer.previousPage() : this.pdfViewer.nextPage(); + if (success) { + this.mouseScrollTimeStamp = currentTime; + } + } + } + + #notifyStateChange(state) { + this.#state = state; + this.eventBus.dispatch("presentationmodechanged", { + source: this, + state + }); + } + + #enter() { + this.#notifyStateChange(_ui_utils.PresentationModeState.FULLSCREEN); + this.container.classList.add(ACTIVE_SELECTOR); + setTimeout(() => { + this.pdfViewer.scrollMode = _ui_utils.ScrollMode.PAGE; + if (this.#args.spreadMode !== null) { + this.pdfViewer.spreadMode = _ui_utils.SpreadMode.NONE; + } + this.pdfViewer.currentPageNumber = this.#args.pageNumber; + this.pdfViewer.currentScaleValue = "page-fit"; + if (this.#args.annotationEditorMode !== null) { + this.pdfViewer.annotationEditorMode = { + mode: _pdfjsLib.AnnotationEditorType.NONE + }; + } + }, 0); + this.#addWindowListeners(); + this.#showControls(); + this.contextMenuOpen = false; + window.getSelection().removeAllRanges(); + } + + #exit() { + const pageNumber = this.pdfViewer.currentPageNumber; + this.container.classList.remove(ACTIVE_SELECTOR); + setTimeout(() => { + this.#removeFullscreenChangeListeners(); + this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL); + this.pdfViewer.scrollMode = this.#args.scrollMode; + if (this.#args.spreadMode !== null) { + this.pdfViewer.spreadMode = this.#args.spreadMode; + } + this.pdfViewer.currentScaleValue = this.#args.scaleValue; + this.pdfViewer.currentPageNumber = pageNumber; + if (this.#args.annotationEditorMode !== null) { + this.pdfViewer.annotationEditorMode = { + mode: this.#args.annotationEditorMode + }; + } + this.#args = null; + }, 0); + this.#removeWindowListeners(); + this.#hideControls(); + this.#resetMouseScrollState(); + this.contextMenuOpen = false; + } + + #mouseDown(evt) { + if (this.contextMenuOpen) { + this.contextMenuOpen = false; + evt.preventDefault(); + return; + } + if (evt.button !== 0) { + return; + } + if (evt.target.href && evt.target.parentNode?.hasAttribute("data-internal-link")) { + return; + } + evt.preventDefault(); + if (evt.shiftKey) { + this.pdfViewer.previousPage(); + } else { + this.pdfViewer.nextPage(); + } + } + + #contextMenu() { + this.contextMenuOpen = true; + } + + #showControls() { + if (this.controlsTimeout) { + clearTimeout(this.controlsTimeout); + } else { + this.container.classList.add(CONTROLS_SELECTOR); + } + this.controlsTimeout = setTimeout(() => { + this.container.classList.remove(CONTROLS_SELECTOR); + delete this.controlsTimeout; + }, DELAY_BEFORE_HIDING_CONTROLS); + } + + #hideControls() { + if (!this.controlsTimeout) { + return; + } + clearTimeout(this.controlsTimeout); + this.container.classList.remove(CONTROLS_SELECTOR); + delete this.controlsTimeout; + } + + #resetMouseScrollState() { + this.mouseScrollTimeStamp = 0; + this.mouseScrollDelta = 0; + } + + #touchSwipe(evt) { + if (!this.active) { + return; + } + if (evt.touches.length > 1) { + this.touchSwipeState = null; + return; + } + switch (evt.type) { + case "touchstart": + this.touchSwipeState = { + startX: evt.touches[0].pageX, + startY: evt.touches[0].pageY, + endX: evt.touches[0].pageX, + endY: evt.touches[0].pageY + }; + break; + case "touchmove": + if (this.touchSwipeState === null) { + return; + } + this.touchSwipeState.endX = evt.touches[0].pageX; + this.touchSwipeState.endY = evt.touches[0].pageY; + evt.preventDefault(); + break; + case "touchend": + if (this.touchSwipeState === null) { + return; + } + let delta = 0; + const dx = this.touchSwipeState.endX - this.touchSwipeState.startX; + const dy = this.touchSwipeState.endY - this.touchSwipeState.startY; + const absAngle = Math.abs(Math.atan2(dy, dx)); + if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) { + delta = dx; + } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) { + delta = dy; + } + if (delta > 0) { + this.pdfViewer.previousPage(); + } else if (delta < 0) { + this.pdfViewer.nextPage(); + } + break; + } + } + + #addWindowListeners() { + this.showControlsBind = this.#showControls.bind(this); + this.mouseDownBind = this.#mouseDown.bind(this); + this.mouseWheelBind = this.#mouseWheel.bind(this); + this.resetMouseScrollStateBind = this.#resetMouseScrollState.bind(this); + this.contextMenuBind = this.#contextMenu.bind(this); + this.touchSwipeBind = this.#touchSwipe.bind(this); + window.addEventListener("mousemove", this.showControlsBind); + window.addEventListener("mousedown", this.mouseDownBind); + window.addEventListener("wheel", this.mouseWheelBind, { + passive: false + }); + window.addEventListener("keydown", this.resetMouseScrollStateBind); + window.addEventListener("contextmenu", this.contextMenuBind); + window.addEventListener("touchstart", this.touchSwipeBind); + window.addEventListener("touchmove", this.touchSwipeBind); + window.addEventListener("touchend", this.touchSwipeBind); + } + + #removeWindowListeners() { + window.removeEventListener("mousemove", this.showControlsBind); + window.removeEventListener("mousedown", this.mouseDownBind); + window.removeEventListener("wheel", this.mouseWheelBind, { + passive: false + }); + window.removeEventListener("keydown", this.resetMouseScrollStateBind); + window.removeEventListener("contextmenu", this.contextMenuBind); + window.removeEventListener("touchstart", this.touchSwipeBind); + window.removeEventListener("touchmove", this.touchSwipeBind); + window.removeEventListener("touchend", this.touchSwipeBind); + delete this.showControlsBind; + delete this.mouseDownBind; + delete this.mouseWheelBind; + delete this.resetMouseScrollStateBind; + delete this.contextMenuBind; + delete this.touchSwipeBind; + } + + #fullscreenChange() { + if (document.fullscreenElement) { + this.#enter(); + } else { + this.#exit(); + } + } + + #addFullscreenChangeListeners() { + this.fullscreenChangeBind = this.#fullscreenChange.bind(this); + window.addEventListener("fullscreenchange", this.fullscreenChangeBind); + } + + #removeFullscreenChangeListeners() { + window.removeEventListener("fullscreenchange", this.fullscreenChangeBind); + delete this.fullscreenChangeBind; + } + } + + exports.PDFPresentationMode = PDFPresentationMode; + + /***/ + }), + /* 24 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFRenderingQueue = void 0; + var _pdfjsLib = __webpack_require__(4); + var _ui_utils = __webpack_require__(3); + const CLEANUP_TIMEOUT = 30000; + + class PDFRenderingQueue { + constructor() { + this.pdfViewer = null; + this.pdfThumbnailViewer = null; + this.onIdle = null; + this.highestPriorityPage = null; + this.idleTimeout = null; + this.printing = false; + this.isThumbnailViewEnabled = false; + Object.defineProperty(this, "hasViewer", { + value: () => !!this.pdfViewer + }); + } + + setViewer(pdfViewer) { + this.pdfViewer = pdfViewer; + } + + setThumbnailViewer(pdfThumbnailViewer) { + this.pdfThumbnailViewer = pdfThumbnailViewer; + } + + isHighestPriority(view) { + return this.highestPriorityPage === view.renderingId; + } + + renderHighestPriority(currentlyVisiblePages) { + if (this.idleTimeout) { + clearTimeout(this.idleTimeout); + this.idleTimeout = null; + } + if (this.pdfViewer.forceRendering(currentlyVisiblePages)) { + return; + } + if (this.isThumbnailViewEnabled && this.pdfThumbnailViewer?.forceRendering()) { + return; + } + if (this.printing) { + return; + } + if (this.onIdle) { + this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT); + } + } + + getHighestPriority(visible, views, scrolledDown, preRenderExtra = false) { + const visibleViews = visible.views, + numVisible = visibleViews.length; + if (numVisible === 0) { + return null; + } + for (let i = 0; i < numVisible; i++) { + const view = visibleViews[i].view; + if (!this.isViewFinished(view)) { + return view; + } + } + const firstId = visible.first.id, + lastId = visible.last.id; + if (lastId - firstId + 1 > numVisible) { + const visibleIds = visible.ids; + for (let i = 1, ii = lastId - firstId; i < ii; i++) { + const holeId = scrolledDown ? firstId + i : lastId - i; + if (visibleIds.has(holeId)) { + continue; + } + const holeView = views[holeId - 1]; + if (!this.isViewFinished(holeView)) { + return holeView; + } + } + } + let preRenderIndex = scrolledDown ? lastId : firstId - 2; + let preRenderView = views[preRenderIndex]; + if (preRenderView && !this.isViewFinished(preRenderView)) { + return preRenderView; + } + if (preRenderExtra) { + preRenderIndex += scrolledDown ? 1 : -1; + preRenderView = views[preRenderIndex]; + if (preRenderView && !this.isViewFinished(preRenderView)) { + return preRenderView; + } + } + return null; + } + + isViewFinished(view) { + return view.renderingState === _ui_utils.RenderingStates.FINISHED; + } + + renderView(view) { + switch (view.renderingState) { + case _ui_utils.RenderingStates.FINISHED: + return false; + case _ui_utils.RenderingStates.PAUSED: + this.highestPriorityPage = view.renderingId; + view.resume(); + break; + case _ui_utils.RenderingStates.RUNNING: + this.highestPriorityPage = view.renderingId; + break; + case _ui_utils.RenderingStates.INITIAL: + this.highestPriorityPage = view.renderingId; + view.draw().finally(() => { + this.renderHighestPriority(); + }).catch(reason => { + if (reason instanceof _pdfjsLib.RenderingCancelledException) { + return; + } + console.error(`renderView: "${reason}"`); + }); + break; + } + return true; + } + } + + exports.PDFRenderingQueue = PDFRenderingQueue; + + /***/ + }), + /* 25 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFScriptingManager = void 0; + var _ui_utils = __webpack_require__(3); + var _pdfjsLib = __webpack_require__(4); + + class PDFScriptingManager { + #closeCapability = null; + #destroyCapability = null; + #docProperties = null; + #eventBus = null; + #externalServices = null; + #pdfDocument = null; + #pdfViewer = null; + #ready = false; + #sandboxBundleSrc = null; + #scripting = null; + #willPrintCapability = null; + + constructor({ + eventBus, + sandboxBundleSrc = null, + externalServices = null, + docProperties = null + }) { + this.#eventBus = eventBus; + this.#sandboxBundleSrc = sandboxBundleSrc; + this.#externalServices = externalServices; + this.#docProperties = docProperties; + } + + setViewer(pdfViewer) { + this.#pdfViewer = pdfViewer; + } + + async setDocument(pdfDocument) { + if (this.#pdfDocument) { + await this.#destroyScripting(); + } + this.#pdfDocument = pdfDocument; + if (!pdfDocument) { + return; + } + const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]); + if (!objects && !docActions) { + await this.#destroyScripting(); + return; + } + if (pdfDocument !== this.#pdfDocument) { + return; + } + try { + this.#scripting = this.#initScripting(); + } catch (error) { + console.error(`setDocument: "${error.message}".`); + await this.#destroyScripting(); + return; + } + this._internalEvents.set("updatefromsandbox", event => { + if (event?.source === window) { + this.#updateFromSandbox(event.detail); + } + }); + this._internalEvents.set("dispatcheventinsandbox", event => { + this.#scripting?.dispatchEventInSandbox(event.detail); + }); + this._internalEvents.set("pagechanging", ({ + pageNumber, + previous + }) => { + if (pageNumber === previous) { + return; + } + this.#dispatchPageClose(previous); + this.#dispatchPageOpen(pageNumber); + }); + this._internalEvents.set("pagerendered", ({ + pageNumber + }) => { + if (!this._pageOpenPending.has(pageNumber)) { + return; + } + if (pageNumber !== this.#pdfViewer.currentPageNumber) { + return; + } + this.#dispatchPageOpen(pageNumber); + }); + this._internalEvents.set("pagesdestroy", async () => { + await this.#dispatchPageClose(this.#pdfViewer.currentPageNumber); + await this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "WillClose" + }); + this.#closeCapability?.resolve(); + }); + for (const [name, listener] of this._internalEvents) { + this.#eventBus._on(name, listener); + } + try { + const docProperties = await this.#docProperties(pdfDocument); + if (pdfDocument !== this.#pdfDocument) { + return; + } + await this.#scripting.createSandbox({ + objects, + calculationOrder, + appInfo: { + platform: navigator.platform, + language: navigator.language + }, + docInfo: { + ...docProperties, + actions: docActions + } + }); + this.#eventBus.dispatch("sandboxcreated", { + source: this + }); + } catch (error) { + console.error(`setDocument: "${error.message}".`); + await this.#destroyScripting(); + return; + } + await this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "Open" + }); + await this.#dispatchPageOpen(this.#pdfViewer.currentPageNumber, true); + Promise.resolve().then(() => { + if (pdfDocument === this.#pdfDocument) { + this.#ready = true; + } + }); + } + + async dispatchWillSave() { + return this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "WillSave" + }); + } + + async dispatchDidSave() { + return this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "DidSave" + }); + } + + async dispatchWillPrint() { + if (!this.#scripting) { + return; + } + await this.#willPrintCapability?.promise; + this.#willPrintCapability = new _pdfjsLib.PromiseCapability(); + try { + await this.#scripting.dispatchEventInSandbox({ + id: "doc", + name: "WillPrint" + }); + } catch (ex) { + this.#willPrintCapability.resolve(); + this.#willPrintCapability = null; + throw ex; + } + await this.#willPrintCapability.promise; + } + + async dispatchDidPrint() { + return this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "DidPrint" + }); + } + + get destroyPromise() { + return this.#destroyCapability?.promise || null; + } + + get ready() { + return this.#ready; + } + + get _internalEvents() { + return (0, _pdfjsLib.shadow)(this, "_internalEvents", new Map()); + } + + get _pageOpenPending() { + return (0, _pdfjsLib.shadow)(this, "_pageOpenPending", new Set()); + } + + get _visitedPages() { + return (0, _pdfjsLib.shadow)(this, "_visitedPages", new Map()); + } + + async #updateFromSandbox(detail) { + const pdfViewer = this.#pdfViewer; + const isInPresentationMode = pdfViewer.isInPresentationMode || pdfViewer.isChangingPresentationMode; + const { + id, + siblings, + command, + value + } = detail; + if (!id) { + switch (command) { + case "clear": + console.clear(); + break; + case "error": + console.error(value); + break; + case "layout": + if (!isInPresentationMode) { + const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(value); + pdfViewer.spreadMode = modes.spreadMode; + } + break; + case "page-num": + pdfViewer.currentPageNumber = value + 1; + break; + case "print": + await pdfViewer.pagesPromise; + this.#eventBus.dispatch("print", { + source: this + }); + break; + case "println": + console.log(value); + break; + case "zoom": + if (!isInPresentationMode) { + pdfViewer.currentScaleValue = value; + } + break; + case "SaveAs": + this.#eventBus.dispatch("download", { + source: this + }); + break; + case "FirstPage": + pdfViewer.currentPageNumber = 1; + break; + case "LastPage": + pdfViewer.currentPageNumber = pdfViewer.pagesCount; + break; + case "NextPage": + pdfViewer.nextPage(); + break; + case "PrevPage": + pdfViewer.previousPage(); + break; + case "ZoomViewIn": + if (!isInPresentationMode) { + pdfViewer.increaseScale(); + } + break; + case "ZoomViewOut": + if (!isInPresentationMode) { + pdfViewer.decreaseScale(); + } + break; + case "WillPrintFinished": + this.#willPrintCapability?.resolve(); + this.#willPrintCapability = null; + break; + } + return; + } + if (isInPresentationMode && detail.focus) { + return; + } + delete detail.id; + delete detail.siblings; + const ids = siblings ? [id, ...siblings] : [id]; + for (const elementId of ids) { + const element = document.querySelector(`[data-element-id="${elementId}"]`); + if (element) { + element.dispatchEvent(new CustomEvent("updatefromsandbox", { + detail + })); + } else { + this.#pdfDocument?.annotationStorage.setValue(elementId, detail); + } + } + } + + async #dispatchPageOpen(pageNumber, initialize = false) { + const pdfDocument = this.#pdfDocument, + visitedPages = this._visitedPages; + if (initialize) { + this.#closeCapability = new _pdfjsLib.PromiseCapability(); + } + if (!this.#closeCapability) { + return; + } + const pageView = this.#pdfViewer.getPageView(pageNumber - 1); + if (pageView?.renderingState !== _ui_utils.RenderingStates.FINISHED) { + this._pageOpenPending.add(pageNumber); + return; + } + this._pageOpenPending.delete(pageNumber); + const actionsPromise = (async () => { + const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null); + if (pdfDocument !== this.#pdfDocument) { + return; + } + await this.#scripting?.dispatchEventInSandbox({ + id: "page", + name: "PageOpen", + pageNumber, + actions + }); + })(); + visitedPages.set(pageNumber, actionsPromise); + } + + async #dispatchPageClose(pageNumber) { + const pdfDocument = this.#pdfDocument, + visitedPages = this._visitedPages; + if (!this.#closeCapability) { + return; + } + if (this._pageOpenPending.has(pageNumber)) { + return; + } + const actionsPromise = visitedPages.get(pageNumber); + if (!actionsPromise) { + return; + } + visitedPages.set(pageNumber, null); + await actionsPromise; + if (pdfDocument !== this.#pdfDocument) { + return; + } + await this.#scripting?.dispatchEventInSandbox({ + id: "page", + name: "PageClose", + pageNumber + }); + } + + #initScripting() { + this.#destroyCapability = new _pdfjsLib.PromiseCapability(); + if (this.#scripting) { + throw new Error("#initScripting: Scripting already exists."); + } + return this.#externalServices.createScripting({ + sandboxBundleSrc: this.#sandboxBundleSrc + }); + } + + async #destroyScripting() { + if (!this.#scripting) { + this.#pdfDocument = null; + this.#destroyCapability?.resolve(); + return; + } + if (this.#closeCapability) { + await Promise.race([this.#closeCapability.promise, new Promise(resolve => { + setTimeout(resolve, 1000); + })]).catch(() => { + }); + this.#closeCapability = null; + } + this.#pdfDocument = null; + try { + await this.#scripting.destroySandbox(); + } catch { + } + this.#willPrintCapability?.reject(new Error("Scripting destroyed.")); + this.#willPrintCapability = null; + for (const [name, listener] of this._internalEvents) { + this.#eventBus._off(name, listener); + } + this._internalEvents.clear(); + this._pageOpenPending.clear(); + this._visitedPages.clear(); + this.#scripting = null; + this.#ready = false; + this.#destroyCapability?.resolve(); + } + } + + exports.PDFScriptingManager = PDFScriptingManager; + + /***/ + }), + /* 26 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFSidebar = void 0; + var _ui_utils = __webpack_require__(3); + const SIDEBAR_WIDTH_VAR = "--sidebar-width"; + const SIDEBAR_MIN_WIDTH = 200; + const SIDEBAR_RESIZING_CLASS = "sidebarResizing"; + const UI_NOTIFICATION_CLASS = "pdfSidebarNotification"; + + class PDFSidebar { + #isRTL = false; + #mouseMoveBound = this.#mouseMove.bind(this); + #mouseUpBound = this.#mouseUp.bind(this); + #outerContainerWidth = null; + #width = null; + + constructor({ + elements, + eventBus, + l10n + }) { + this.isOpen = false; + this.active = _ui_utils.SidebarView.THUMBS; + this.isInitialViewSet = false; + this.isInitialEventDispatched = false; + this.onToggled = null; + this.onUpdateThumbnails = null; + this.outerContainer = elements.outerContainer; + this.sidebarContainer = elements.sidebarContainer; + this.toggleButton = elements.toggleButton; + this.resizer = elements.resizer; + this.thumbnailButton = elements.thumbnailButton; + this.outlineButton = elements.outlineButton; + this.attachmentsButton = elements.attachmentsButton; + this.layersButton = elements.layersButton; + this.thumbnailView = elements.thumbnailView; + this.outlineView = elements.outlineView; + this.attachmentsView = elements.attachmentsView; + this.layersView = elements.layersView; + this._outlineOptionsContainer = elements.outlineOptionsContainer; + this._currentOutlineItemButton = elements.currentOutlineItemButton; + this.eventBus = eventBus; + this.l10n = l10n; + l10n.getDirection().then(dir => { + this.#isRTL = dir === "rtl"; + }); + this.#addEventListeners(); + } + + reset() { + this.isInitialViewSet = false; + this.isInitialEventDispatched = false; + this.#hideUINotification(true); + this.switchView(_ui_utils.SidebarView.THUMBS); + this.outlineButton.disabled = false; + this.attachmentsButton.disabled = false; + this.layersButton.disabled = false; + this._currentOutlineItemButton.disabled = true; + } + + get visibleView() { + return this.isOpen ? this.active : _ui_utils.SidebarView.NONE; + } + + setInitialView(view = _ui_utils.SidebarView.NONE) { + if (this.isInitialViewSet) { + return; + } + this.isInitialViewSet = true; + if (view === _ui_utils.SidebarView.NONE || view === _ui_utils.SidebarView.UNKNOWN) { + this.#dispatchEvent(); + return; + } + this.switchView(view, true); + if (!this.isInitialEventDispatched) { + this.#dispatchEvent(); + } + } + + switchView(view, forceOpen = false) { + const isViewChanged = view !== this.active; + let forceRendering = false; + switch (view) { + case _ui_utils.SidebarView.NONE: + if (this.isOpen) { + this.close(); + } + return; + case _ui_utils.SidebarView.THUMBS: + if (this.isOpen && isViewChanged) { + forceRendering = true; + } + break; + case _ui_utils.SidebarView.OUTLINE: + if (this.outlineButton.disabled) { + return; + } + break; + case _ui_utils.SidebarView.ATTACHMENTS: + if (this.attachmentsButton.disabled) { + return; + } + break; + case _ui_utils.SidebarView.LAYERS: + if (this.layersButton.disabled) { + return; + } + break; + default: + console.error(`PDFSidebar.switchView: "${view}" is not a valid view.`); + return; + } + this.active = view; + (0, _ui_utils.toggleCheckedBtn)(this.thumbnailButton, view === _ui_utils.SidebarView.THUMBS, this.thumbnailView); + (0, _ui_utils.toggleCheckedBtn)(this.outlineButton, view === _ui_utils.SidebarView.OUTLINE, this.outlineView); + (0, _ui_utils.toggleCheckedBtn)(this.attachmentsButton, view === _ui_utils.SidebarView.ATTACHMENTS, this.attachmentsView); + (0, _ui_utils.toggleCheckedBtn)(this.layersButton, view === _ui_utils.SidebarView.LAYERS, this.layersView); + this._outlineOptionsContainer.classList.toggle("hidden", view !== _ui_utils.SidebarView.OUTLINE); + if (forceOpen && !this.isOpen) { + this.open(); + return; + } + if (forceRendering) { + this.onUpdateThumbnails(); + this.onToggled(); + } + if (isViewChanged) { + this.#dispatchEvent(); + } + } + + open() { + if (this.isOpen) { + return; + } + this.isOpen = true; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, true); + this.outerContainer.classList.add("sidebarMoving", "sidebarOpen"); + if (this.active === _ui_utils.SidebarView.THUMBS) { + this.onUpdateThumbnails(); + } + this.onToggled(); + this.#dispatchEvent(); + this.#hideUINotification(); + } + + close() { + if (!this.isOpen) { + return; + } + this.isOpen = false; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, false); + this.outerContainer.classList.add("sidebarMoving"); + this.outerContainer.classList.remove("sidebarOpen"); + this.onToggled(); + this.#dispatchEvent(); + } + + toggle() { + if (this.isOpen) { + this.close(); + } else { + this.open(); + } + } + + #dispatchEvent() { + if (this.isInitialViewSet) { + this.isInitialEventDispatched ||= true; + } + this.eventBus.dispatch("sidebarviewchanged", { + source: this, + view: this.visibleView + }); + } + + #showUINotification() { + this.toggleButton.setAttribute("data-l10n-id", "toggle_sidebar_notification2"); + this.l10n.translate(this.toggleButton); + if (!this.isOpen) { + this.toggleButton.classList.add(UI_NOTIFICATION_CLASS); + } + } + + #hideUINotification(reset = false) { + if (this.isOpen || reset) { + this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS); + } + if (reset) { + this.toggleButton.setAttribute("data-l10n-id", "toggle_sidebar"); + this.l10n.translate(this.toggleButton); + } + } + + #addEventListeners() { + this.sidebarContainer.addEventListener("transitionend", evt => { + if (evt.target === this.sidebarContainer) { + this.outerContainer.classList.remove("sidebarMoving"); + } + }); + this.toggleButton.addEventListener("click", () => { + this.toggle(); + }); + this.thumbnailButton.addEventListener("click", () => { + this.switchView(_ui_utils.SidebarView.THUMBS); + }); + this.outlineButton.addEventListener("click", () => { + this.switchView(_ui_utils.SidebarView.OUTLINE); + }); + this.outlineButton.addEventListener("dblclick", () => { + this.eventBus.dispatch("toggleoutlinetree", { + source: this + }); + }); + this.attachmentsButton.addEventListener("click", () => { + this.switchView(_ui_utils.SidebarView.ATTACHMENTS); + }); + this.layersButton.addEventListener("click", () => { + this.switchView(_ui_utils.SidebarView.LAYERS); + }); + this.layersButton.addEventListener("dblclick", () => { + this.eventBus.dispatch("resetlayers", { + source: this + }); + }); + this._currentOutlineItemButton.addEventListener("click", () => { + this.eventBus.dispatch("currentoutlineitem", { + source: this + }); + }); + const onTreeLoaded = (count, button, view) => { + button.disabled = !count; + if (count) { + this.#showUINotification(); + } else if (this.active === view) { + this.switchView(_ui_utils.SidebarView.THUMBS); + } + }; + this.eventBus._on("outlineloaded", evt => { + onTreeLoaded(evt.outlineCount, this.outlineButton, _ui_utils.SidebarView.OUTLINE); + evt.currentOutlineItemPromise.then(enabled => { + if (!this.isInitialViewSet) { + return; + } + this._currentOutlineItemButton.disabled = !enabled; + }); + }); + this.eventBus._on("attachmentsloaded", evt => { + onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, _ui_utils.SidebarView.ATTACHMENTS); + }); + this.eventBus._on("layersloaded", evt => { + onTreeLoaded(evt.layersCount, this.layersButton, _ui_utils.SidebarView.LAYERS); + }); + this.eventBus._on("presentationmodechanged", evt => { + if (evt.state === _ui_utils.PresentationModeState.NORMAL && this.visibleView === _ui_utils.SidebarView.THUMBS) { + this.onUpdateThumbnails(); + } + }); + this.resizer.addEventListener("mousedown", evt => { + if (evt.button !== 0) { + return; + } + this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS); + window.addEventListener("mousemove", this.#mouseMoveBound); + window.addEventListener("mouseup", this.#mouseUpBound); + }); + this.eventBus._on("resize", evt => { + if (evt.source !== window) { + return; + } + this.#outerContainerWidth = null; + if (!this.#width) { + return; + } + if (!this.isOpen) { + this.#updateWidth(this.#width); + return; + } + this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS); + const updated = this.#updateWidth(this.#width); + Promise.resolve().then(() => { + this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS); + if (updated) { + this.eventBus.dispatch("resize", { + source: this + }); + } + }); + }); + } + + get outerContainerWidth() { + return this.#outerContainerWidth ||= this.outerContainer.clientWidth; + } + + #updateWidth(width = 0) { + const maxWidth = Math.floor(this.outerContainerWidth / 2); + if (width > maxWidth) { + width = maxWidth; + } + if (width < SIDEBAR_MIN_WIDTH) { + width = SIDEBAR_MIN_WIDTH; + } + if (width === this.#width) { + return false; + } + this.#width = width; + _ui_utils.docStyle.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`); + return true; + } + + #mouseMove(evt) { + let width = evt.clientX; + if (this.#isRTL) { + width = this.outerContainerWidth - width; + } + this.#updateWidth(width); + } + + #mouseUp(evt) { + this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS); + this.eventBus.dispatch("resize", { + source: this + }); + window.removeEventListener("mousemove", this.#mouseMoveBound); + window.removeEventListener("mouseup", this.#mouseUpBound); + } + } + + exports.PDFSidebar = PDFSidebar; + + /***/ + }), + /* 27 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFThumbnailViewer = void 0; + var _ui_utils = __webpack_require__(3); + var _pdf_thumbnail_view = __webpack_require__(28); + const THUMBNAIL_SCROLL_MARGIN = -19; + const THUMBNAIL_SELECTED_CLASS = "selected"; + + class PDFThumbnailViewer { + constructor({ + container, + eventBus, + linkService, + renderingQueue, + l10n, + pageColors + }) { + this.container = container; + this.eventBus = eventBus; + this.linkService = linkService; + this.renderingQueue = renderingQueue; + this.l10n = l10n; + this.pageColors = pageColors || null; + this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this)); + this._resetView(); + } + + _scrollUpdated() { + this.renderingQueue.renderHighestPriority(); + } + + getThumbnail(index) { + return this._thumbnails[index]; + } + + _getVisibleThumbs() { + return (0, _ui_utils.getVisibleElements)({ + scrollEl: this.container, + views: this._thumbnails + }); + } + + scrollThumbnailIntoView(pageNumber) { + if (!this.pdfDocument) { + return; + } + const thumbnailView = this._thumbnails[pageNumber - 1]; + if (!thumbnailView) { + console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.'); + return; + } + if (pageNumber !== this._currentPageNumber) { + const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1]; + prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS); + thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS); + } + const { + first, + last, + views + } = this._getVisibleThumbs(); + if (views.length > 0) { + let shouldScroll = false; + if (pageNumber <= first.id || pageNumber >= last.id) { + shouldScroll = true; + } else { + for (const { + id, + percent + } of views) { + if (id !== pageNumber) { + continue; + } + shouldScroll = percent < 100; + break; + } + } + if (shouldScroll) { + (0, _ui_utils.scrollIntoView)(thumbnailView.div, { + top: THUMBNAIL_SCROLL_MARGIN + }); + } + } + this._currentPageNumber = pageNumber; + } + + get pagesRotation() { + return this._pagesRotation; + } + + set pagesRotation(rotation) { + if (!(0, _ui_utils.isValidRotation)(rotation)) { + throw new Error("Invalid thumbnails rotation angle."); + } + if (!this.pdfDocument) { + return; + } + if (this._pagesRotation === rotation) { + return; + } + this._pagesRotation = rotation; + const updateArgs = { + rotation + }; + for (const thumbnail of this._thumbnails) { + thumbnail.update(updateArgs); + } + } + + cleanup() { + for (const thumbnail of this._thumbnails) { + if (thumbnail.renderingState !== _ui_utils.RenderingStates.FINISHED) { + thumbnail.reset(); + } + } + _pdf_thumbnail_view.TempImageFactory.destroyCanvas(); + } + + _resetView() { + this._thumbnails = []; + this._currentPageNumber = 1; + this._pageLabels = null; + this._pagesRotation = 0; + this.container.textContent = ""; + } + + setDocument(pdfDocument) { + if (this.pdfDocument) { + this._cancelRendering(); + this._resetView(); + } + this.pdfDocument = pdfDocument; + if (!pdfDocument) { + return; + } + const firstPagePromise = pdfDocument.getPage(1); + const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig(); + firstPagePromise.then(firstPdfPage => { + const pagesCount = pdfDocument.numPages; + const viewport = firstPdfPage.getViewport({ + scale: 1 + }); + for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) { + const thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({ + container: this.container, + eventBus: this.eventBus, + id: pageNum, + defaultViewport: viewport.clone(), + optionalContentConfigPromise, + linkService: this.linkService, + renderingQueue: this.renderingQueue, + l10n: this.l10n, + pageColors: this.pageColors + }); + this._thumbnails.push(thumbnail); + } + this._thumbnails[0]?.setPdfPage(firstPdfPage); + const thumbnailView = this._thumbnails[this._currentPageNumber - 1]; + thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS); + }).catch(reason => { + console.error("Unable to initialize thumbnail viewer", reason); + }); + } + + _cancelRendering() { + for (const thumbnail of this._thumbnails) { + thumbnail.cancelRendering(); + } + } + + setPageLabels(labels) { + if (!this.pdfDocument) { + return; + } + if (!labels) { + this._pageLabels = null; + } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) { + this._pageLabels = null; + console.error("PDFThumbnailViewer_setPageLabels: Invalid page labels."); + } else { + this._pageLabels = labels; + } + for (let i = 0, ii = this._thumbnails.length; i < ii; i++) { + this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null); + } + } + + async #ensurePdfPageLoaded(thumbView) { + if (thumbView.pdfPage) { + return thumbView.pdfPage; + } + try { + const pdfPage = await this.pdfDocument.getPage(thumbView.id); + if (!thumbView.pdfPage) { + thumbView.setPdfPage(pdfPage); + } + return pdfPage; + } catch (reason) { + console.error("Unable to get page for thumb view", reason); + return null; + } + } + + #getScrollAhead(visible) { + if (visible.first?.id === 1) { + return true; + } else if (visible.last?.id === this._thumbnails.length) { + return false; + } + return this.scroll.down; + } + + forceRendering() { + const visibleThumbs = this._getVisibleThumbs(); + const scrollAhead = this.#getScrollAhead(visibleThumbs); + const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, scrollAhead); + if (thumbView) { + this.#ensurePdfPageLoaded(thumbView).then(() => { + this.renderingQueue.renderView(thumbView); + }); + return true; + } + return false; + } + } + + exports.PDFThumbnailViewer = PDFThumbnailViewer; + + /***/ + }), + /* 28 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.TempImageFactory = exports.PDFThumbnailView = void 0; + var _ui_utils = __webpack_require__(3); + var _pdfjsLib = __webpack_require__(4); + const DRAW_UPSCALE_FACTOR = 2; + const MAX_NUM_SCALING_STEPS = 3; + const THUMBNAIL_WIDTH = 98; + + class TempImageFactory { + static #tempCanvas = null; + + static getCanvas(width, height) { + const tempCanvas = this.#tempCanvas ||= document.createElement("canvas"); + tempCanvas.width = width; + tempCanvas.height = height; + const ctx = tempCanvas.getContext("2d", { + alpha: false + }); + ctx.save(); + ctx.fillStyle = "rgb(255, 255, 255)"; + ctx.fillRect(0, 0, width, height); + ctx.restore(); + return [tempCanvas, tempCanvas.getContext("2d")]; + } + + static destroyCanvas() { + const tempCanvas = this.#tempCanvas; + if (tempCanvas) { + tempCanvas.width = 0; + tempCanvas.height = 0; + } + this.#tempCanvas = null; + } + } + + exports.TempImageFactory = TempImageFactory; + + class PDFThumbnailView { + constructor({ + container, + eventBus, + id, + defaultViewport, + optionalContentConfigPromise, + linkService, + renderingQueue, + l10n, + pageColors + }) { + this.id = id; + this.renderingId = "thumbnail" + id; + this.pageLabel = null; + this.pdfPage = null; + this.rotation = 0; + this.viewport = defaultViewport; + this.pdfPageRotate = defaultViewport.rotation; + this._optionalContentConfigPromise = optionalContentConfigPromise || null; + this.pageColors = pageColors || null; + this.eventBus = eventBus; + this.linkService = linkService; + this.renderingQueue = renderingQueue; + this.renderTask = null; + this.renderingState = _ui_utils.RenderingStates.INITIAL; + this.resume = null; + this.l10n = l10n; + const anchor = document.createElement("a"); + anchor.href = linkService.getAnchorUrl("#page=" + id); + this._thumbPageTitle.then(msg => { + anchor.title = msg; + }); + anchor.onclick = function () { + linkService.goToPage(id); + return false; + }; + this.anchor = anchor; + const div = document.createElement("div"); + div.className = "thumbnail"; + div.setAttribute("data-page-number", this.id); + this.div = div; + this.#updateDims(); + const img = document.createElement("div"); + img.className = "thumbnailImage"; + this._placeholderImg = img; + div.append(img); + anchor.append(div); + container.append(anchor); + } + + #updateDims() { + const { + width, + height + } = this.viewport; + const ratio = width / height; + this.canvasWidth = THUMBNAIL_WIDTH; + this.canvasHeight = this.canvasWidth / ratio | 0; + this.scale = this.canvasWidth / width; + const { + style + } = this.div; + style.setProperty("--thumbnail-width", `${this.canvasWidth}px`); + style.setProperty("--thumbnail-height", `${this.canvasHeight}px`); + } + + setPdfPage(pdfPage) { + this.pdfPage = pdfPage; + this.pdfPageRotate = pdfPage.rotate; + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = pdfPage.getViewport({ + scale: 1, + rotation: totalRotation + }); + this.reset(); + } + + reset() { + this.cancelRendering(); + this.renderingState = _ui_utils.RenderingStates.INITIAL; + this.div.removeAttribute("data-loaded"); + this.image?.replaceWith(this._placeholderImg); + this.#updateDims(); + if (this.image) { + this.image.removeAttribute("src"); + delete this.image; + } + } + + update({ + rotation = null + }) { + if (typeof rotation === "number") { + this.rotation = rotation; + } + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = this.viewport.clone({ + scale: 1, + rotation: totalRotation + }); + this.reset(); + } + + cancelRendering() { + if (this.renderTask) { + this.renderTask.cancel(); + this.renderTask = null; + } + this.resume = null; + } + + _getPageDrawContext(upscaleFactor = 1) { + const canvas = document.createElement("canvas"); + const ctx = canvas.getContext("2d", { + alpha: false + }); + const outputScale = new _ui_utils.OutputScale(); + canvas.width = upscaleFactor * this.canvasWidth * outputScale.sx | 0; + canvas.height = upscaleFactor * this.canvasHeight * outputScale.sy | 0; + const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null; + return { + ctx, + canvas, + transform + }; + } + + _convertCanvasToImage(canvas) { + if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) { + throw new Error("_convertCanvasToImage: Rendering has not finished."); + } + const reducedCanvas = this._reduceImage(canvas); + const image = document.createElement("img"); + image.className = "thumbnailImage"; + this._thumbPageCanvas.then(msg => { + image.setAttribute("aria-label", msg); + }); + image.src = reducedCanvas.toDataURL(); + this.image = image; + this.div.setAttribute("data-loaded", true); + this._placeholderImg.replaceWith(image); + reducedCanvas.width = 0; + reducedCanvas.height = 0; + } + + async #finishRenderTask(renderTask, canvas, error = null) { + if (renderTask === this.renderTask) { + this.renderTask = null; + } + if (error instanceof _pdfjsLib.RenderingCancelledException) { + return; + } + this.renderingState = _ui_utils.RenderingStates.FINISHED; + this._convertCanvasToImage(canvas); + if (error) { + throw error; + } + } + + async draw() { + if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) { + console.error("Must be in new state before drawing"); + return undefined; + } + const { + pdfPage + } = this; + if (!pdfPage) { + this.renderingState = _ui_utils.RenderingStates.FINISHED; + throw new Error("pdfPage is not loaded"); + } + this.renderingState = _ui_utils.RenderingStates.RUNNING; + const { + ctx, + canvas, + transform + } = this._getPageDrawContext(DRAW_UPSCALE_FACTOR); + const drawViewport = this.viewport.clone({ + scale: DRAW_UPSCALE_FACTOR * this.scale + }); + const renderContinueCallback = cont => { + if (!this.renderingQueue.isHighestPriority(this)) { + this.renderingState = _ui_utils.RenderingStates.PAUSED; + this.resume = () => { + this.renderingState = _ui_utils.RenderingStates.RUNNING; + cont(); + }; + return; + } + cont(); + }; + const renderContext = { + canvasContext: ctx, + transform, + viewport: drawViewport, + optionalContentConfigPromise: this._optionalContentConfigPromise, + pageColors: this.pageColors + }; + const renderTask = this.renderTask = pdfPage.render(renderContext); + renderTask.onContinue = renderContinueCallback; + const resultPromise = renderTask.promise.then(() => this.#finishRenderTask(renderTask, canvas), error => this.#finishRenderTask(renderTask, canvas, error)); + resultPromise.finally(() => { + canvas.width = 0; + canvas.height = 0; + this.eventBus.dispatch("thumbnailrendered", { + source: this, + pageNumber: this.id, + pdfPage: this.pdfPage + }); + }); + return resultPromise; + } + + setImage(pageView) { + if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) { + return; + } + const { + thumbnailCanvas: canvas, + pdfPage, + scale + } = pageView; + if (!canvas) { + return; + } + if (!this.pdfPage) { + this.setPdfPage(pdfPage); + } + if (scale < this.scale) { + return; + } + this.renderingState = _ui_utils.RenderingStates.FINISHED; + this._convertCanvasToImage(canvas); + } + + _reduceImage(img) { + const { + ctx, + canvas + } = this._getPageDrawContext(); + if (img.width <= 2 * canvas.width) { + ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height); + return canvas; + } + let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS; + let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS; + const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(reducedWidth, reducedHeight); + while (reducedWidth > img.width || reducedHeight > img.height) { + reducedWidth >>= 1; + reducedHeight >>= 1; + } + reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight); + while (reducedWidth > 2 * canvas.width) { + reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1); + reducedWidth >>= 1; + reducedHeight >>= 1; + } + ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height); + return canvas; + } + + get _thumbPageTitle() { + return this.l10n.get("thumb_page_title", { + page: this.pageLabel ?? this.id + }); + } + + get _thumbPageCanvas() { + return this.l10n.get("thumb_page_canvas", { + page: this.pageLabel ?? this.id + }); + } + + setPageLabel(label) { + this.pageLabel = typeof label === "string" ? label : null; + this._thumbPageTitle.then(msg => { + this.anchor.title = msg; + }); + if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) { + return; + } + this._thumbPageCanvas.then(msg => { + this.image?.setAttribute("aria-label", msg); + }); + } + } + + exports.PDFThumbnailView = PDFThumbnailView; + + /***/ + }), + /* 29 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PagesCountLimit = exports.PDFViewer = exports.PDFPageViewBuffer = void 0; + var _pdfjsLib = __webpack_require__(4); + var _ui_utils = __webpack_require__(3); + var _l10n_utils = __webpack_require__(30); + var _pdf_page_view = __webpack_require__(31); + var _pdf_rendering_queue = __webpack_require__(24); + var _pdf_link_service = __webpack_require__(7); + const DEFAULT_CACHE_SIZE = 10; + const PagesCountLimit = { + FORCE_SCROLL_MODE_PAGE: 15000, + FORCE_LAZY_PAGE_INIT: 7500, + PAUSE_EAGER_PAGE_INIT: 250 + }; + exports.PagesCountLimit = PagesCountLimit; + + function isValidAnnotationEditorMode(mode) { + return Object.values(_pdfjsLib.AnnotationEditorType).includes(mode) && mode !== _pdfjsLib.AnnotationEditorType.DISABLE; + } + + class PDFPageViewBuffer { + #buf = new Set(); + #size = 0; + + constructor(size) { + this.#size = size; + } + + push(view) { + const buf = this.#buf; + if (buf.has(view)) { + buf.delete(view); + } + buf.add(view); + if (buf.size > this.#size) { + this.#destroyFirstView(); + } + } + + resize(newSize, idsToKeep = null) { + this.#size = newSize; + const buf = this.#buf; + if (idsToKeep) { + const ii = buf.size; + let i = 1; + for (const view of buf) { + if (idsToKeep.has(view.id)) { + buf.delete(view); + buf.add(view); + } + if (++i > ii) { + break; + } + } + } + while (buf.size > this.#size) { + this.#destroyFirstView(); + } + } + + has(view) { + return this.#buf.has(view); + } + + [Symbol.iterator]() { + return this.#buf.keys(); + } + + #destroyFirstView() { + const firstView = this.#buf.keys().next().value; + firstView?.destroy(); + this.#buf.delete(firstView); + } + } + + exports.PDFPageViewBuffer = PDFPageViewBuffer; + + class PDFViewer { + #buffer = null; + #altTextManager = null; + #annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE; + #annotationEditorUIManager = null; + #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS; + #containerTopLeft = null; + #copyCallbackBound = null; + #enablePermissions = false; + #getAllTextInProgress = false; + #hiddenCopyElement = null; + #interruptCopyCondition = false; + #previousContainerHeight = 0; + #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this)); + #scrollModePageState = null; + #onVisibilityChange = null; + #scaleTimeoutId = null; + #textLayerMode = _ui_utils.TextLayerMode.ENABLE; + + constructor(options) { + const viewerVersion = '3.11.174'; + if (_pdfjsLib.version !== viewerVersion) { + throw new Error(`The API version "${_pdfjsLib.version}" does not match the Viewer version "${viewerVersion}".`); + } + this.container = options.container; + this.viewer = options.viewer || options.container.firstElementChild; + if (this.container?.tagName !== "DIV" || this.viewer?.tagName !== "DIV") { + throw new Error("Invalid `container` and/or `viewer` option."); + } + if (this.container.offsetParent && getComputedStyle(this.container).position !== "absolute") { + throw new Error("The `container` must be absolutely positioned."); + } + this.#resizeObserver.observe(this.container); + this.eventBus = options.eventBus; + this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService(); + this.downloadManager = options.downloadManager || null; + this.findController = options.findController || null; + this.#altTextManager = options.altTextManager || null; + if (this.findController) { + this.findController.onIsPageVisible = pageNumber => this._getVisiblePages().ids.has(pageNumber); + } + this._scriptingManager = options.scriptingManager || null; + this.#textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE; + this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS; + this.#annotationEditorMode = options.annotationEditorMode ?? _pdfjsLib.AnnotationEditorType.NONE; + this.imageResourcesPath = options.imageResourcesPath || ""; + this.enablePrintAutoRotate = options.enablePrintAutoRotate || false; + this.removePageBorders = options.removePageBorders || false; + if (options.useOnlyCssZoom) { + console.error("useOnlyCssZoom was removed, please use `maxCanvasPixels = 0` instead."); + options.maxCanvasPixels = 0; + } + this.isOffscreenCanvasSupported = options.isOffscreenCanvasSupported ?? true; + this.maxCanvasPixels = options.maxCanvasPixels; + this.l10n = options.l10n || _l10n_utils.NullL10n; + this.#enablePermissions = options.enablePermissions || false; + this.pageColors = options.pageColors || null; + this.defaultRenderingQueue = !options.renderingQueue; + if (this.defaultRenderingQueue) { + this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue(); + this.renderingQueue.setViewer(this); + } else { + this.renderingQueue = options.renderingQueue; + } + this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this)); + this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN; + this._onBeforeDraw = this._onAfterDraw = null; + this._resetView(); + if (this.removePageBorders) { + this.viewer.classList.add("removePageBorders"); + } + this.#updateContainerHeightCss(); + this.eventBus._on("thumbnailrendered", ({ + pageNumber, + pdfPage + }) => { + const pageView = this._pages[pageNumber - 1]; + if (!this.#buffer.has(pageView)) { + pdfPage?.cleanup(); + } + }); + } + + get pagesCount() { + return this._pages.length; + } + + getPageView(index) { + return this._pages[index]; + } + + getCachedPageViews() { + return new Set(this.#buffer); + } + + get pageViewsReady() { + return this._pagesCapability.settled && this._pages.every(pageView => pageView?.pdfPage); + } + + get renderForms() { + return this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS; + } + + get enableScripting() { + return !!this._scriptingManager; + } + + get currentPageNumber() { + return this._currentPageNumber; + } + + set currentPageNumber(val) { + if (!Number.isInteger(val)) { + throw new Error("Invalid page number."); + } + if (!this.pdfDocument) { + return; + } + if (!this._setCurrentPageNumber(val, true)) { + console.error(`currentPageNumber: "${val}" is not a valid page.`); + } + } + + _setCurrentPageNumber(val, resetCurrentPageView = false) { + if (this._currentPageNumber === val) { + if (resetCurrentPageView) { + this.#resetCurrentPageView(); + } + return true; + } + if (!(0 < val && val <= this.pagesCount)) { + return false; + } + const previous = this._currentPageNumber; + this._currentPageNumber = val; + this.eventBus.dispatch("pagechanging", { + source: this, + pageNumber: val, + pageLabel: this._pageLabels?.[val - 1] ?? null, + previous + }); + if (resetCurrentPageView) { + this.#resetCurrentPageView(); + } + return true; + } + + get currentPageLabel() { + return this._pageLabels?.[this._currentPageNumber - 1] ?? null; + } + + set currentPageLabel(val) { + if (!this.pdfDocument) { + return; + } + let page = val | 0; + if (this._pageLabels) { + const i = this._pageLabels.indexOf(val); + if (i >= 0) { + page = i + 1; + } + } + if (!this._setCurrentPageNumber(page, true)) { + console.error(`currentPageLabel: "${val}" is not a valid page.`); + } + } + + get currentScale() { + return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE; + } + + set currentScale(val) { + if (isNaN(val)) { + throw new Error("Invalid numeric scale."); + } + if (!this.pdfDocument) { + return; + } + this.#setScale(val, { + noScroll: false + }); + } + + get currentScaleValue() { + return this._currentScaleValue; + } + + set currentScaleValue(val) { + if (!this.pdfDocument) { + return; + } + this.#setScale(val, { + noScroll: false + }); + } + + get pagesRotation() { + return this._pagesRotation; + } + + set pagesRotation(rotation) { + if (!(0, _ui_utils.isValidRotation)(rotation)) { + throw new Error("Invalid pages rotation angle."); + } + if (!this.pdfDocument) { + return; + } + rotation %= 360; + if (rotation < 0) { + rotation += 360; + } + if (this._pagesRotation === rotation) { + return; + } + this._pagesRotation = rotation; + const pageNumber = this._currentPageNumber; + this.refresh(true, { + rotation + }); + if (this._currentScaleValue) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this.eventBus.dispatch("rotationchanging", { + source: this, + pagesRotation: rotation, + pageNumber + }); + if (this.defaultRenderingQueue) { + this.update(); + } + } + + get firstPagePromise() { + return this.pdfDocument ? this._firstPageCapability.promise : null; + } + + get onePageRendered() { + return this.pdfDocument ? this._onePageRenderedCapability.promise : null; + } + + get pagesPromise() { + return this.pdfDocument ? this._pagesCapability.promise : null; + } + + #layerProperties() { + const self = this; + return { + get annotationEditorUIManager() { + return self.#annotationEditorUIManager; + }, + get annotationStorage() { + return self.pdfDocument?.annotationStorage; + }, + get downloadManager() { + return self.downloadManager; + }, + get enableScripting() { + return !!self._scriptingManager; + }, + get fieldObjectsPromise() { + return self.pdfDocument?.getFieldObjects(); + }, + get findController() { + return self.findController; + }, + get hasJSActionsPromise() { + return self.pdfDocument?.hasJSActions(); + }, + get linkService() { + return self.linkService; + } + }; + } + + #initializePermissions(permissions) { + const params = { + annotationEditorMode: this.#annotationEditorMode, + annotationMode: this.#annotationMode, + textLayerMode: this.#textLayerMode + }; + if (!permissions) { + return params; + } + if (!permissions.includes(_pdfjsLib.PermissionFlag.COPY) && this.#textLayerMode === _ui_utils.TextLayerMode.ENABLE) { + params.textLayerMode = _ui_utils.TextLayerMode.ENABLE_PERMISSIONS; + } + if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_CONTENTS)) { + params.annotationEditorMode = _pdfjsLib.AnnotationEditorType.DISABLE; + } + if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(_pdfjsLib.PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS) { + params.annotationMode = _pdfjsLib.AnnotationMode.ENABLE; + } + return params; + } + + #onePageRenderedOrForceFetch() { + if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) { + return Promise.resolve(); + } + const visibilityChangePromise = new Promise(resolve => { + this.#onVisibilityChange = () => { + if (document.visibilityState !== "hidden") { + return; + } + resolve(); + document.removeEventListener("visibilitychange", this.#onVisibilityChange); + this.#onVisibilityChange = null; + }; + document.addEventListener("visibilitychange", this.#onVisibilityChange); + }); + return Promise.race([this._onePageRenderedCapability.promise, visibilityChangePromise]); + } + + async getAllText() { + const texts = []; + const buffer = []; + for (let pageNum = 1, pagesCount = this.pdfDocument.numPages; pageNum <= pagesCount; ++pageNum) { + if (this.#interruptCopyCondition) { + return null; + } + buffer.length = 0; + const page = await this.pdfDocument.getPage(pageNum); + const { + items + } = await page.getTextContent(); + for (const item of items) { + if (item.str) { + buffer.push(item.str); + } + if (item.hasEOL) { + buffer.push("\n"); + } + } + texts.push((0, _ui_utils.removeNullCharacters)(buffer.join(""))); + } + return texts.join("\n"); + } + + #copyCallback(textLayerMode, event) { + const selection = document.getSelection(); + const { + focusNode, + anchorNode + } = selection; + if (anchorNode && focusNode && selection.containsNode(this.#hiddenCopyElement)) { + if (this.#getAllTextInProgress || textLayerMode === _ui_utils.TextLayerMode.ENABLE_PERMISSIONS) { + event.preventDefault(); + event.stopPropagation(); + return; + } + this.#getAllTextInProgress = true; + const savedCursor = this.container.style.cursor; + this.container.style.cursor = "wait"; + const interruptCopy = ev => this.#interruptCopyCondition = ev.key === "Escape"; + window.addEventListener("keydown", interruptCopy); + this.getAllText().then(async text => { + if (text !== null) { + await navigator.clipboard.writeText(text); + } + }).catch(reason => { + console.warn(`Something goes wrong when extracting the text: ${reason.message}`); + }).finally(() => { + this.#getAllTextInProgress = false; + this.#interruptCopyCondition = false; + window.removeEventListener("keydown", interruptCopy); + this.container.style.cursor = savedCursor; + }); + event.preventDefault(); + event.stopPropagation(); + } + } + + setDocument(pdfDocument) { + if (this.pdfDocument) { + this.eventBus.dispatch("pagesdestroy", { + source: this + }); + this._cancelRendering(); + this._resetView(); + this.findController?.setDocument(null); + this._scriptingManager?.setDocument(null); + if (this.#annotationEditorUIManager) { + this.#annotationEditorUIManager.destroy(); + this.#annotationEditorUIManager = null; + } + } + this.pdfDocument = pdfDocument; + if (!pdfDocument) { + return; + } + const pagesCount = pdfDocument.numPages; + const firstPagePromise = pdfDocument.getPage(1); + const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig(); + const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve(); + if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) { + console.warn("Forcing PAGE-scrolling for performance reasons, given the length of the document."); + const mode = this._scrollMode = _ui_utils.ScrollMode.PAGE; + this.eventBus.dispatch("scrollmodechanged", { + source: this, + mode + }); + } + this._pagesCapability.promise.then(() => { + this.eventBus.dispatch("pagesloaded", { + source: this, + pagesCount + }); + }, () => { + }); + this._onBeforeDraw = evt => { + const pageView = this._pages[evt.pageNumber - 1]; + if (!pageView) { + return; + } + this.#buffer.push(pageView); + }; + this.eventBus._on("pagerender", this._onBeforeDraw); + this._onAfterDraw = evt => { + if (evt.cssTransform || this._onePageRenderedCapability.settled) { + return; + } + this._onePageRenderedCapability.resolve({ + timestamp: evt.timestamp + }); + this.eventBus._off("pagerendered", this._onAfterDraw); + this._onAfterDraw = null; + if (this.#onVisibilityChange) { + document.removeEventListener("visibilitychange", this.#onVisibilityChange); + this.#onVisibilityChange = null; + } + }; + this.eventBus._on("pagerendered", this._onAfterDraw); + Promise.all([firstPagePromise, permissionsPromise]).then(([firstPdfPage, permissions]) => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this._firstPageCapability.resolve(firstPdfPage); + this._optionalContentConfigPromise = optionalContentConfigPromise; + const { + annotationEditorMode, + annotationMode, + textLayerMode + } = this.#initializePermissions(permissions); + if (textLayerMode !== _ui_utils.TextLayerMode.DISABLE) { + const element = this.#hiddenCopyElement = document.createElement("div"); + element.id = "hiddenCopyElement"; + this.viewer.before(element); + } + if (annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) { + const mode = annotationEditorMode; + if (pdfDocument.isPureXfa) { + console.warn("Warning: XFA-editing is not implemented."); + } else if (isValidAnnotationEditorMode(mode)) { + this.#annotationEditorUIManager = new _pdfjsLib.AnnotationEditorUIManager(this.container, this.viewer, this.#altTextManager, this.eventBus, pdfDocument, this.pageColors); + if (mode !== _pdfjsLib.AnnotationEditorType.NONE) { + this.#annotationEditorUIManager.updateMode(mode); + } + } else { + console.error(`Invalid AnnotationEditor mode: ${mode}`); + } + } + const layerProperties = this.#layerProperties.bind(this); + const viewerElement = this._scrollMode === _ui_utils.ScrollMode.PAGE ? null : this.viewer; + const scale = this.currentScale; + const viewport = firstPdfPage.getViewport({ + scale: scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS + }); + this.viewer.style.setProperty("--scale-factor", viewport.scale); + if (this.pageColors?.foreground === "CanvasText" || this.pageColors?.background === "Canvas") { + this.viewer.style.setProperty("--hcm-highligh-filter", pdfDocument.filterFactory.addHighlightHCMFilter("CanvasText", "Canvas", "HighlightText", "Highlight")); + } + for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) { + const pageView = new _pdf_page_view.PDFPageView({ + container: viewerElement, + eventBus: this.eventBus, + id: pageNum, + scale, + defaultViewport: viewport.clone(), + optionalContentConfigPromise, + renderingQueue: this.renderingQueue, + textLayerMode, + annotationMode, + imageResourcesPath: this.imageResourcesPath, + isOffscreenCanvasSupported: this.isOffscreenCanvasSupported, + maxCanvasPixels: this.maxCanvasPixels, + pageColors: this.pageColors, + l10n: this.l10n, + layerProperties + }); + this._pages.push(pageView); + } + const firstPageView = this._pages[0]; + if (firstPageView) { + firstPageView.setPdfPage(firstPdfPage); + this.linkService.cachePageRef(1, firstPdfPage.ref); + } + if (this._scrollMode === _ui_utils.ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else if (this._spreadMode !== _ui_utils.SpreadMode.NONE) { + this._updateSpreadMode(); + } + this.#onePageRenderedOrForceFetch().then(async () => { + this.findController?.setDocument(pdfDocument); + this._scriptingManager?.setDocument(pdfDocument); + if (this.#hiddenCopyElement) { + this.#copyCallbackBound = this.#copyCallback.bind(this, textLayerMode); + document.addEventListener("copy", this.#copyCallbackBound); + } + if (this.#annotationEditorUIManager) { + this.eventBus.dispatch("annotationeditormodechanged", { + source: this, + mode: this.#annotationEditorMode + }); + } + if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT) { + this._pagesCapability.resolve(); + return; + } + let getPagesLeft = pagesCount - 1; + if (getPagesLeft <= 0) { + this._pagesCapability.resolve(); + return; + } + for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) { + const promise = pdfDocument.getPage(pageNum).then(pdfPage => { + const pageView = this._pages[pageNum - 1]; + if (!pageView.pdfPage) { + pageView.setPdfPage(pdfPage); + } + this.linkService.cachePageRef(pageNum, pdfPage.ref); + if (--getPagesLeft === 0) { + this._pagesCapability.resolve(); + } + }, reason => { + console.error(`Unable to get page ${pageNum} to initialize viewer`, reason); + if (--getPagesLeft === 0) { + this._pagesCapability.resolve(); + } + }); + if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) { + await promise; + } + } + }); + this.eventBus.dispatch("pagesinit", { + source: this + }); + pdfDocument.getMetadata().then(({ + info + }) => { + if (pdfDocument !== this.pdfDocument) { + return; + } + if (info.Language) { + this.viewer.lang = info.Language; + } + }); + if (this.defaultRenderingQueue) { + this.update(); + } + }).catch(reason => { + console.error("Unable to initialize viewer", reason); + this._pagesCapability.reject(reason); + }); + } + + setPageLabels(labels) { + if (!this.pdfDocument) { + return; + } + if (!labels) { + this._pageLabels = null; + } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) { + this._pageLabels = null; + console.error(`setPageLabels: Invalid page labels.`); + } else { + this._pageLabels = labels; + } + for (let i = 0, ii = this._pages.length; i < ii; i++) { + this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null); + } + } + + _resetView() { + this._pages = []; + this._currentPageNumber = 1; + this._currentScale = _ui_utils.UNKNOWN_SCALE; + this._currentScaleValue = null; + this._pageLabels = null; + this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE); + this._location = null; + this._pagesRotation = 0; + this._optionalContentConfigPromise = null; + this._firstPageCapability = new _pdfjsLib.PromiseCapability(); + this._onePageRenderedCapability = new _pdfjsLib.PromiseCapability(); + this._pagesCapability = new _pdfjsLib.PromiseCapability(); + this._scrollMode = _ui_utils.ScrollMode.VERTICAL; + this._previousScrollMode = _ui_utils.ScrollMode.UNKNOWN; + this._spreadMode = _ui_utils.SpreadMode.NONE; + this.#scrollModePageState = { + previousPageNumber: 1, + scrollDown: true, + pages: [] + }; + if (this._onBeforeDraw) { + this.eventBus._off("pagerender", this._onBeforeDraw); + this._onBeforeDraw = null; + } + if (this._onAfterDraw) { + this.eventBus._off("pagerendered", this._onAfterDraw); + this._onAfterDraw = null; + } + if (this.#onVisibilityChange) { + document.removeEventListener("visibilitychange", this.#onVisibilityChange); + this.#onVisibilityChange = null; + } + this.viewer.textContent = ""; + this._updateScrollMode(); + this.viewer.removeAttribute("lang"); + if (this.#hiddenCopyElement) { + document.removeEventListener("copy", this.#copyCallbackBound); + this.#copyCallbackBound = null; + this.#hiddenCopyElement.remove(); + this.#hiddenCopyElement = null; + } + } + + #ensurePageViewVisible() { + if (this._scrollMode !== _ui_utils.ScrollMode.PAGE) { + throw new Error("#ensurePageViewVisible: Invalid scrollMode value."); + } + const pageNumber = this._currentPageNumber, + state = this.#scrollModePageState, + viewer = this.viewer; + viewer.textContent = ""; + state.pages.length = 0; + if (this._spreadMode === _ui_utils.SpreadMode.NONE && !this.isInPresentationMode) { + const pageView = this._pages[pageNumber - 1]; + viewer.append(pageView.div); + state.pages.push(pageView); + } else { + const pageIndexSet = new Set(), + parity = this._spreadMode - 1; + if (parity === -1) { + pageIndexSet.add(pageNumber - 1); + } else if (pageNumber % 2 !== parity) { + pageIndexSet.add(pageNumber - 1); + pageIndexSet.add(pageNumber); + } else { + pageIndexSet.add(pageNumber - 2); + pageIndexSet.add(pageNumber - 1); + } + const spread = document.createElement("div"); + spread.className = "spread"; + if (this.isInPresentationMode) { + const dummyPage = document.createElement("div"); + dummyPage.className = "dummyPage"; + spread.append(dummyPage); + } + for (const i of pageIndexSet) { + const pageView = this._pages[i]; + if (!pageView) { + continue; + } + spread.append(pageView.div); + state.pages.push(pageView); + } + viewer.append(spread); + } + state.scrollDown = pageNumber >= state.previousPageNumber; + state.previousPageNumber = pageNumber; + } + + _scrollUpdate() { + if (this.pagesCount === 0) { + return; + } + this.update(); + } + + #scrollIntoView(pageView, pageSpot = null) { + const { + div, + id + } = pageView; + if (this._currentPageNumber !== id) { + this._setCurrentPageNumber(id); + } + if (this._scrollMode === _ui_utils.ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + this.update(); + } + if (!pageSpot && !this.isInPresentationMode) { + const left = div.offsetLeft + div.clientLeft, + right = left + div.clientWidth; + const { + scrollLeft, + clientWidth + } = this.container; + if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) { + pageSpot = { + left: 0, + top: 0 + }; + } + } + (0, _ui_utils.scrollIntoView)(div, pageSpot); + if (!this._currentScaleValue && this._location) { + this._location = null; + } + } + + #isSameScale(newScale) { + return newScale === this._currentScale || Math.abs(newScale - this._currentScale) < 1e-15; + } + + #setScaleUpdatePages(newScale, newValue, { + noScroll = false, + preset = false, + drawingDelay = -1 + }) { + this._currentScaleValue = newValue.toString(); + if (this.#isSameScale(newScale)) { + if (preset) { + this.eventBus.dispatch("scalechanging", { + source: this, + scale: newScale, + presetValue: newValue + }); + } + return; + } + this.viewer.style.setProperty("--scale-factor", newScale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS); + const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000; + this.refresh(true, { + scale: newScale, + drawingDelay: postponeDrawing ? drawingDelay : -1 + }); + if (postponeDrawing) { + this.#scaleTimeoutId = setTimeout(() => { + this.#scaleTimeoutId = null; + this.refresh(); + }, drawingDelay); + } + this._currentScale = newScale; + if (!noScroll) { + let page = this._currentPageNumber, + dest; + if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) { + page = this._location.pageNumber; + dest = [null, { + name: "XYZ" + }, this._location.left, this._location.top, null]; + } + this.scrollPageIntoView({ + pageNumber: page, + destArray: dest, + allowNegativeOffset: true + }); + } + this.eventBus.dispatch("scalechanging", { + source: this, + scale: newScale, + presetValue: preset ? newValue : undefined + }); + if (this.defaultRenderingQueue) { + this.update(); + } + } + + get #pageWidthScaleFactor() { + if (this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL) { + return 2; + } + return 1; + } + + #setScale(value, options) { + let scale = parseFloat(value); + if (scale > 0) { + options.preset = false; + this.#setScaleUpdatePages(scale, value, options); + } else { + const currentPage = this._pages[this._currentPageNumber - 1]; + if (!currentPage) { + return; + } + let hPadding = _ui_utils.SCROLLBAR_PADDING, + vPadding = _ui_utils.VERTICAL_PADDING; + if (this.isInPresentationMode) { + hPadding = vPadding = 4; + if (this._spreadMode !== _ui_utils.SpreadMode.NONE) { + hPadding *= 2; + } + } else if (this.removePageBorders) { + hPadding = vPadding = 0; + } else if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL) { + [hPadding, vPadding] = [vPadding, hPadding]; + } + const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this.#pageWidthScaleFactor; + const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale; + switch (value) { + case "page-actual": + scale = 1; + break; + case "page-width": + scale = pageWidthScale; + break; + case "page-height": + scale = pageHeightScale; + break; + case "page-fit": + scale = Math.min(pageWidthScale, pageHeightScale); + break; + case "auto": + const horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale); + scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale); + break; + default: + console.error(`#setScale: "${value}" is an unknown zoom value.`); + return; + } + options.preset = true; + this.#setScaleUpdatePages(scale, value, options); + } + } + + #resetCurrentPageView() { + const pageView = this._pages[this._currentPageNumber - 1]; + if (this.isInPresentationMode) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this.#scrollIntoView(pageView); + } + + pageLabelToPageNumber(label) { + if (!this._pageLabels) { + return null; + } + const i = this._pageLabels.indexOf(label); + if (i < 0) { + return null; + } + return i + 1; + } + + scrollPageIntoView({ + pageNumber, + destArray = null, + allowNegativeOffset = false, + ignoreDestinationZoom = false + }) { + if (!this.pdfDocument) { + return; + } + const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1]; + if (!pageView) { + console.error(`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`); + return; + } + if (this.isInPresentationMode || !destArray) { + this._setCurrentPageNumber(pageNumber, true); + return; + } + let x = 0, + y = 0; + let width = 0, + height = 0, + widthScale, + heightScale; + const changeOrientation = pageView.rotation % 180 !== 0; + const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; + const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; + let scale = 0; + switch (destArray[1].name) { + case "XYZ": + x = destArray[2]; + y = destArray[3]; + scale = destArray[4]; + x = x !== null ? x : 0; + y = y !== null ? y : pageHeight; + break; + case "Fit": + case "FitB": + scale = "page-fit"; + break; + case "FitH": + case "FitBH": + y = destArray[2]; + scale = "page-width"; + if (y === null && this._location) { + x = this._location.left; + y = this._location.top; + } else if (typeof y !== "number" || y < 0) { + y = pageHeight; + } + break; + case "FitV": + case "FitBV": + x = destArray[2]; + width = pageWidth; + height = pageHeight; + scale = "page-height"; + break; + case "FitR": + x = destArray[2]; + y = destArray[3]; + width = destArray[4] - x; + height = destArray[5] - y; + let hPadding = _ui_utils.SCROLLBAR_PADDING, + vPadding = _ui_utils.VERTICAL_PADDING; + if (this.removePageBorders) { + hPadding = vPadding = 0; + } + widthScale = (this.container.clientWidth - hPadding) / width / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; + heightScale = (this.container.clientHeight - vPadding) / height / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; + scale = Math.min(Math.abs(widthScale), Math.abs(heightScale)); + break; + default: + console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`); + return; + } + if (!ignoreDestinationZoom) { + if (scale && scale !== this._currentScale) { + this.currentScaleValue = scale; + } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) { + this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE; + } + } + if (scale === "page-fit" && !destArray[4]) { + this.#scrollIntoView(pageView); + return; + } + const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)]; + let left = Math.min(boundingRect[0][0], boundingRect[1][0]); + let top = Math.min(boundingRect[0][1], boundingRect[1][1]); + if (!allowNegativeOffset) { + left = Math.max(left, 0); + top = Math.max(top, 0); + } + this.#scrollIntoView(pageView, { + left, + top + }); + } + + _updateLocation(firstPage) { + const currentScale = this._currentScale; + const currentScaleValue = this._currentScaleValue; + const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue; + const pageNumber = firstPage.id; + const currentPageView = this._pages[pageNumber - 1]; + const container = this.container; + const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y); + const intLeft = Math.round(topLeft[0]); + const intTop = Math.round(topLeft[1]); + let pdfOpenParams = `#page=${pageNumber}`; + if (!this.isInPresentationMode) { + pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`; + } + this._location = { + pageNumber, + scale: normalizedScaleValue, + top: intTop, + left: intLeft, + rotation: this._pagesRotation, + pdfOpenParams + }; + } + + update() { + const visible = this._getVisiblePages(); + const visiblePages = visible.views, + numVisiblePages = visiblePages.length; + if (numVisiblePages === 0) { + return; + } + const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1); + this.#buffer.resize(newCacheSize, visible.ids); + this.renderingQueue.renderHighestPriority(visible); + const isSimpleLayout = this._spreadMode === _ui_utils.SpreadMode.NONE && (this._scrollMode === _ui_utils.ScrollMode.PAGE || this._scrollMode === _ui_utils.ScrollMode.VERTICAL); + const currentId = this._currentPageNumber; + let stillFullyVisible = false; + for (const page of visiblePages) { + if (page.percent < 100) { + break; + } + if (page.id === currentId && isSimpleLayout) { + stillFullyVisible = true; + break; + } + } + this._setCurrentPageNumber(stillFullyVisible ? currentId : visiblePages[0].id); + this._updateLocation(visible.first); + this.eventBus.dispatch("updateviewarea", { + source: this, + location: this._location + }); + } + + containsElement(element) { + return this.container.contains(element); + } + + focus() { + this.container.focus(); + } + + get _isContainerRtl() { + return getComputedStyle(this.container).direction === "rtl"; + } + + get isInPresentationMode() { + return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN; + } + + get isChangingPresentationMode() { + return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING; + } + + get isHorizontalScrollbarEnabled() { + return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth; + } + + get isVerticalScrollbarEnabled() { + return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight; + } + + _getVisiblePages() { + const views = this._scrollMode === _ui_utils.ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages, + horizontal = this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL, + rtl = horizontal && this._isContainerRtl; + return (0, _ui_utils.getVisibleElements)({ + scrollEl: this.container, + views, + sortByVisibility: true, + horizontal, + rtl + }); + } + + cleanup() { + for (const pageView of this._pages) { + if (pageView.renderingState !== _ui_utils.RenderingStates.FINISHED) { + pageView.reset(); + } + } + } + + _cancelRendering() { + for (const pageView of this._pages) { + pageView.cancelRendering(); + } + } + + async #ensurePdfPageLoaded(pageView) { + if (pageView.pdfPage) { + return pageView.pdfPage; + } + try { + const pdfPage = await this.pdfDocument.getPage(pageView.id); + if (!pageView.pdfPage) { + pageView.setPdfPage(pdfPage); + } + if (!this.linkService._cachedPageNumber?.(pdfPage.ref)) { + this.linkService.cachePageRef(pageView.id, pdfPage.ref); + } + return pdfPage; + } catch (reason) { + console.error("Unable to get page for page view", reason); + return null; + } + } + + #getScrollAhead(visible) { + if (visible.first?.id === 1) { + return true; + } else if (visible.last?.id === this.pagesCount) { + return false; + } + switch (this._scrollMode) { + case _ui_utils.ScrollMode.PAGE: + return this.#scrollModePageState.scrollDown; + case _ui_utils.ScrollMode.HORIZONTAL: + return this.scroll.right; + } + return this.scroll.down; + } + + forceRendering(currentlyVisiblePages) { + const visiblePages = currentlyVisiblePages || this._getVisiblePages(); + const scrollAhead = this.#getScrollAhead(visiblePages); + const preRenderExtra = this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL; + const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead, preRenderExtra); + if (pageView) { + this.#ensurePdfPageLoaded(pageView).then(() => { + this.renderingQueue.renderView(pageView); + }); + return true; + } + return false; + } + + get hasEqualPageSizes() { + const firstPageView = this._pages[0]; + for (let i = 1, ii = this._pages.length; i < ii; ++i) { + const pageView = this._pages[i]; + if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) { + return false; + } + } + return true; + } + + getPagesOverview() { + let initialOrientation; + return this._pages.map(pageView => { + const viewport = pageView.pdfPage.getViewport({ + scale: 1 + }); + const orientation = (0, _ui_utils.isPortraitOrientation)(viewport); + if (initialOrientation === undefined) { + initialOrientation = orientation; + } else if (this.enablePrintAutoRotate && orientation !== initialOrientation) { + return { + width: viewport.height, + height: viewport.width, + rotation: (viewport.rotation - 90) % 360 + }; + } + return { + width: viewport.width, + height: viewport.height, + rotation: viewport.rotation + }; + }); + } + + get optionalContentConfigPromise() { + if (!this.pdfDocument) { + return Promise.resolve(null); + } + if (!this._optionalContentConfigPromise) { + console.error("optionalContentConfigPromise: Not initialized yet."); + return this.pdfDocument.getOptionalContentConfig(); + } + return this._optionalContentConfigPromise; + } + + set optionalContentConfigPromise(promise) { + if (!(promise instanceof Promise)) { + throw new Error(`Invalid optionalContentConfigPromise: ${promise}`); + } + if (!this.pdfDocument) { + return; + } + if (!this._optionalContentConfigPromise) { + return; + } + this._optionalContentConfigPromise = promise; + this.refresh(false, { + optionalContentConfigPromise: promise + }); + this.eventBus.dispatch("optionalcontentconfigchanged", { + source: this, + promise + }); + } + + get scrollMode() { + return this._scrollMode; + } + + set scrollMode(mode) { + if (this._scrollMode === mode) { + return; + } + if (!(0, _ui_utils.isValidScrollMode)(mode)) { + throw new Error(`Invalid scroll mode: ${mode}`); + } + if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) { + return; + } + this._previousScrollMode = this._scrollMode; + this._scrollMode = mode; + this.eventBus.dispatch("scrollmodechanged", { + source: this, + mode + }); + this._updateScrollMode(this._currentPageNumber); + } + + _updateScrollMode(pageNumber = null) { + const scrollMode = this._scrollMode, + viewer = this.viewer; + viewer.classList.toggle("scrollHorizontal", scrollMode === _ui_utils.ScrollMode.HORIZONTAL); + viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED); + if (!this.pdfDocument || !pageNumber) { + return; + } + if (scrollMode === _ui_utils.ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else if (this._previousScrollMode === _ui_utils.ScrollMode.PAGE) { + this._updateSpreadMode(); + } + if (this._currentScaleValue && isNaN(this._currentScaleValue)) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this._setCurrentPageNumber(pageNumber, true); + this.update(); + } + + get spreadMode() { + return this._spreadMode; + } + + set spreadMode(mode) { + if (this._spreadMode === mode) { + return; + } + if (!(0, _ui_utils.isValidSpreadMode)(mode)) { + throw new Error(`Invalid spread mode: ${mode}`); + } + this._spreadMode = mode; + this.eventBus.dispatch("spreadmodechanged", { + source: this, + mode + }); + this._updateSpreadMode(this._currentPageNumber); + } + + _updateSpreadMode(pageNumber = null) { + if (!this.pdfDocument) { + return; + } + const viewer = this.viewer, + pages = this._pages; + if (this._scrollMode === _ui_utils.ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else { + viewer.textContent = ""; + if (this._spreadMode === _ui_utils.SpreadMode.NONE) { + for (const pageView of this._pages) { + viewer.append(pageView.div); + } + } else { + const parity = this._spreadMode - 1; + let spread = null; + for (let i = 0, ii = pages.length; i < ii; ++i) { + if (spread === null) { + spread = document.createElement("div"); + spread.className = "spread"; + viewer.append(spread); + } else if (i % 2 === parity) { + spread = spread.cloneNode(false); + viewer.append(spread); + } + spread.append(pages[i].div); + } + } + } + if (!pageNumber) { + return; + } + if (this._currentScaleValue && isNaN(this._currentScaleValue)) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this._setCurrentPageNumber(pageNumber, true); + this.update(); + } + + _getPageAdvance(currentPageNumber, previous = false) { + switch (this._scrollMode) { + case _ui_utils.ScrollMode.WRAPPED: { + const { + views + } = this._getVisiblePages(), + pageLayout = new Map(); + for (const { + id, + y, + percent, + widthPercent + } of views) { + if (percent === 0 || widthPercent < 100) { + continue; + } + let yArray = pageLayout.get(y); + if (!yArray) { + pageLayout.set(y, yArray ||= []); + } + yArray.push(id); + } + for (const yArray of pageLayout.values()) { + const currentIndex = yArray.indexOf(currentPageNumber); + if (currentIndex === -1) { + continue; + } + const numPages = yArray.length; + if (numPages === 1) { + break; + } + if (previous) { + for (let i = currentIndex - 1, ii = 0; i >= ii; i--) { + const currentId = yArray[i], + expectedId = yArray[i + 1] - 1; + if (currentId < expectedId) { + return currentPageNumber - expectedId; + } + } + } else { + for (let i = currentIndex + 1, ii = numPages; i < ii; i++) { + const currentId = yArray[i], + expectedId = yArray[i - 1] + 1; + if (currentId > expectedId) { + return expectedId - currentPageNumber; + } + } + } + if (previous) { + const firstId = yArray[0]; + if (firstId < currentPageNumber) { + return currentPageNumber - firstId + 1; + } + } else { + const lastId = yArray[numPages - 1]; + if (lastId > currentPageNumber) { + return lastId - currentPageNumber + 1; + } + } + break; + } + break; + } + case _ui_utils.ScrollMode.HORIZONTAL: { + break; + } + case _ui_utils.ScrollMode.PAGE: + case _ui_utils.ScrollMode.VERTICAL: { + if (this._spreadMode === _ui_utils.SpreadMode.NONE) { + break; + } + const parity = this._spreadMode - 1; + if (previous && currentPageNumber % 2 !== parity) { + break; + } else if (!previous && currentPageNumber % 2 === parity) { + break; + } + const { + views + } = this._getVisiblePages(), + expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1; + for (const { + id, + percent, + widthPercent + } of views) { + if (id !== expectedId) { + continue; + } + if (percent > 0 && widthPercent === 100) { + return 2; + } + break; + } + break; + } + } + return 1; + } + + nextPage() { + const currentPageNumber = this._currentPageNumber, + pagesCount = this.pagesCount; + if (currentPageNumber >= pagesCount) { + return false; + } + const advance = this._getPageAdvance(currentPageNumber, false) || 1; + this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount); + return true; + } + + previousPage() { + const currentPageNumber = this._currentPageNumber; + if (currentPageNumber <= 1) { + return false; + } + const advance = this._getPageAdvance(currentPageNumber, true) || 1; + this.currentPageNumber = Math.max(currentPageNumber - advance, 1); + return true; + } + + increaseScale({ + drawingDelay, + scaleFactor, + steps + } = {}) { + if (!this.pdfDocument) { + return; + } + let newScale = this._currentScale; + if (scaleFactor > 1) { + newScale = Math.round(newScale * scaleFactor * 100) / 100; + } else { + steps ??= 1; + do { + newScale = Math.ceil((newScale * _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2) * 10) / 10; + } while (--steps > 0 && newScale < _ui_utils.MAX_SCALE); + } + this.#setScale(Math.min(_ui_utils.MAX_SCALE, newScale), { + noScroll: false, + drawingDelay + }); + } + + decreaseScale({ + drawingDelay, + scaleFactor, + steps + } = {}) { + if (!this.pdfDocument) { + return; + } + let newScale = this._currentScale; + if (scaleFactor > 0 && scaleFactor < 1) { + newScale = Math.round(newScale * scaleFactor * 100) / 100; + } else { + steps ??= 1; + do { + newScale = Math.floor((newScale / _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2) * 10) / 10; + } while (--steps > 0 && newScale > _ui_utils.MIN_SCALE); + } + this.#setScale(Math.max(_ui_utils.MIN_SCALE, newScale), { + noScroll: false, + drawingDelay + }); + } + + #updateContainerHeightCss(height = this.container.clientHeight) { + if (height !== this.#previousContainerHeight) { + this.#previousContainerHeight = height; + _ui_utils.docStyle.setProperty("--viewer-container-height", `${height}px`); + } + } + + #resizeObserverCallback(entries) { + for (const entry of entries) { + if (entry.target === this.container) { + this.#updateContainerHeightCss(Math.floor(entry.borderBoxSize[0].blockSize)); + this.#containerTopLeft = null; + break; + } + } + } + + get containerTopLeft() { + return this.#containerTopLeft ||= [this.container.offsetTop, this.container.offsetLeft]; + } + + get annotationEditorMode() { + return this.#annotationEditorUIManager ? this.#annotationEditorMode : _pdfjsLib.AnnotationEditorType.DISABLE; + } + + set annotationEditorMode({ + mode, + editId = null + }) { + if (!this.#annotationEditorUIManager) { + throw new Error(`The AnnotationEditor is not enabled.`); + } + if (this.#annotationEditorMode === mode) { + return; + } + if (!isValidAnnotationEditorMode(mode)) { + throw new Error(`Invalid AnnotationEditor mode: ${mode}`); + } + if (!this.pdfDocument) { + return; + } + this.#annotationEditorMode = mode; + this.eventBus.dispatch("annotationeditormodechanged", { + source: this, + mode + }); + this.#annotationEditorUIManager.updateMode(mode, editId); + } + + set annotationEditorParams({ + type, + value + }) { + if (!this.#annotationEditorUIManager) { + throw new Error(`The AnnotationEditor is not enabled.`); + } + this.#annotationEditorUIManager.updateParams(type, value); + } + + refresh(noUpdate = false, updateArgs = Object.create(null)) { + if (!this.pdfDocument) { + return; + } + for (const pageView of this._pages) { + pageView.update(updateArgs); + } + if (this.#scaleTimeoutId !== null) { + clearTimeout(this.#scaleTimeoutId); + this.#scaleTimeoutId = null; + } + if (!noUpdate) { + this.update(); + } + } + } + + exports.PDFViewer = PDFViewer; + + /***/ + }), + /* 30 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.NullL10n = void 0; + exports.getL10nFallback = getL10nFallback; + const DEFAULT_L10N_STRINGS = { + of_pages: "of {{pagesCount}}", + page_of_pages: "({{pageNumber}} of {{pagesCount}})", + document_properties_kb: "{{size_kb}} KB ({{size_b}} bytes)", + document_properties_mb: "{{size_mb}} MB ({{size_b}} bytes)", + document_properties_date_string: "{{date}}, {{time}}", + document_properties_page_size_unit_inches: "in", + document_properties_page_size_unit_millimeters: "mm", + document_properties_page_size_orientation_portrait: "portrait", + document_properties_page_size_orientation_landscape: "landscape", + document_properties_page_size_name_a3: "A3", + document_properties_page_size_name_a4: "A4", + document_properties_page_size_name_letter: "Letter", + document_properties_page_size_name_legal: "Legal", + document_properties_page_size_dimension_string: "{{width}} × {{height}} {{unit}} ({{orientation}})", + document_properties_page_size_dimension_name_string: "{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})", + document_properties_linearized_yes: "Yes", + document_properties_linearized_no: "No", + additional_layers: "Additional Layers", + page_landmark: "Page {{page}}", + thumb_page_title: "Page {{page}}", + thumb_page_canvas: "Thumbnail of Page {{page}}", + find_reached_top: "Reached top of document, continued from bottom", + find_reached_bottom: "Reached end of document, continued from top", + "find_match_count[one]": "{{current}} of {{total}} match", + "find_match_count[other]": "{{current}} of {{total}} matches", + "find_match_count_limit[one]": "More than {{limit}} match", + "find_match_count_limit[other]": "More than {{limit}} matches", + find_not_found: "Phrase not found", + page_scale_width: "Page Width", + page_scale_fit: "Page Fit", + page_scale_auto: "Automatic Zoom", + page_scale_actual: "Actual Size", + page_scale_percent: "{{scale}}%", + loading_error: "An error occurred while loading the PDF.", + invalid_file_error: "Invalid or corrupted PDF file.", + missing_file_error: "Missing PDF file.", + unexpected_response_error: "Unexpected server response.", + rendering_error: "An error occurred while rendering the page.", + annotation_date_string: "{{date}}, {{time}}", + printing_not_supported: "Warning: Printing is not fully supported by this browser.", + printing_not_ready: "Warning: The PDF is not fully loaded for printing.", + web_fonts_disabled: "Web fonts are disabled: unable to use embedded PDF fonts.", + free_text2_default_content: "Start typing…", + editor_free_text2_aria_label: "Text Editor", + editor_ink2_aria_label: "Draw Editor", + editor_ink_canvas_aria_label: "User-created image", + editor_alt_text_button_label: "Alt text", + editor_alt_text_edit_button_label: "Edit alt text", + editor_alt_text_decorative_tooltip: "Marked as decorative" + }; + { + DEFAULT_L10N_STRINGS.print_progress_percent = "{{progress}}%"; + } + + function getL10nFallback(key, args) { + switch (key) { + case "find_match_count": + key = `find_match_count[${args.total === 1 ? "one" : "other"}]`; + break; + case "find_match_count_limit": + key = `find_match_count_limit[${args.limit === 1 ? "one" : "other"}]`; + break; + } + return DEFAULT_L10N_STRINGS[key] || ""; + } + + function formatL10nValue(text, args) { + if (!args) { + return text; + } + return text.replaceAll(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => { + return name in args ? args[name] : "{{" + name + "}}"; + }); + } + + const NullL10n = { + async getLanguage() { + return "en-us"; + }, + async getDirection() { + return "ltr"; + }, + async get(key, args = null, fallback = getL10nFallback(key, args)) { + return formatL10nValue(fallback, args); + }, + async translate(element) { + } + }; + exports.NullL10n = NullL10n; + + /***/ + }), + /* 31 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFPageView = void 0; + var _pdfjsLib = __webpack_require__(4); + var _ui_utils = __webpack_require__(3); + var _annotation_editor_layer_builder = __webpack_require__(32); + var _annotation_layer_builder = __webpack_require__(33); + var _app_options = __webpack_require__(5); + var _l10n_utils = __webpack_require__(30); + var _pdf_link_service = __webpack_require__(7); + var _struct_tree_layer_builder = __webpack_require__(34); + var _text_accessibility = __webpack_require__(35); + var _text_highlighter = __webpack_require__(36); + var _text_layer_builder = __webpack_require__(37); + var _xfa_layer_builder = __webpack_require__(38); + const MAX_CANVAS_PIXELS = _app_options.compatibilityParams.maxCanvasPixels || 16777216; + const DEFAULT_LAYER_PROPERTIES = () => { + return null; + }; + + class PDFPageView { + #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS; + #hasRestrictedScaling = false; + #layerProperties = null; + #loadingId = null; + #previousRotation = null; + #renderError = null; + #renderingState = _ui_utils.RenderingStates.INITIAL; + #textLayerMode = _ui_utils.TextLayerMode.ENABLE; + #useThumbnailCanvas = { + directDrawing: true, + initialOptionalContent: true, + regularAnnotations: true + }; + #viewportMap = new WeakMap(); + + constructor(options) { + const container = options.container; + const defaultViewport = options.defaultViewport; + this.id = options.id; + this.renderingId = "page" + this.id; + this.#layerProperties = options.layerProperties || DEFAULT_LAYER_PROPERTIES; + this.pdfPage = null; + this.pageLabel = null; + this.rotation = 0; + this.scale = options.scale || _ui_utils.DEFAULT_SCALE; + this.viewport = defaultViewport; + this.pdfPageRotate = defaultViewport.rotation; + this._optionalContentConfigPromise = options.optionalContentConfigPromise || null; + this.#textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE; + this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS; + this.imageResourcesPath = options.imageResourcesPath || ""; + this.isOffscreenCanvasSupported = options.isOffscreenCanvasSupported ?? true; + this.maxCanvasPixels = options.maxCanvasPixels ?? MAX_CANVAS_PIXELS; + this.pageColors = options.pageColors || null; + this.eventBus = options.eventBus; + this.renderingQueue = options.renderingQueue; + this.l10n = options.l10n || _l10n_utils.NullL10n; + this.renderTask = null; + this.resume = null; + this._isStandalone = !this.renderingQueue?.hasViewer(); + this._container = container; + if (options.useOnlyCssZoom) { + console.error("useOnlyCssZoom was removed, please use `maxCanvasPixels = 0` instead."); + this.maxCanvasPixels = 0; + } + this._annotationCanvasMap = null; + this.annotationLayer = null; + this.annotationEditorLayer = null; + this.textLayer = null; + this.zoomLayer = null; + this.xfaLayer = null; + this.structTreeLayer = null; + const div = document.createElement("div"); + div.className = "page"; + div.setAttribute("data-page-number", this.id); + div.setAttribute("role", "region"); + this.l10n.get("page_landmark", { + page: this.id + }).then(msg => { + div.setAttribute("aria-label", msg); + }); + this.div = div; + this.#setDimensions(); + container?.append(div); + if (this._isStandalone) { + container?.style.setProperty("--scale-factor", this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS); + const { + optionalContentConfigPromise + } = options; + if (optionalContentConfigPromise) { + optionalContentConfigPromise.then(optionalContentConfig => { + if (optionalContentConfigPromise !== this._optionalContentConfigPromise) { + return; + } + this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility; + }); + } + } + } + + get renderingState() { + return this.#renderingState; + } + + set renderingState(state) { + if (state === this.#renderingState) { + return; + } + this.#renderingState = state; + if (this.#loadingId) { + clearTimeout(this.#loadingId); + this.#loadingId = null; + } + switch (state) { + case _ui_utils.RenderingStates.PAUSED: + this.div.classList.remove("loading"); + break; + case _ui_utils.RenderingStates.RUNNING: + this.div.classList.add("loadingIcon"); + this.#loadingId = setTimeout(() => { + this.div.classList.add("loading"); + this.#loadingId = null; + }, 0); + break; + case _ui_utils.RenderingStates.INITIAL: + case _ui_utils.RenderingStates.FINISHED: + this.div.classList.remove("loadingIcon", "loading"); + break; + } + } + + #setDimensions() { + const { + viewport + } = this; + if (this.pdfPage) { + if (this.#previousRotation === viewport.rotation) { + return; + } + this.#previousRotation = viewport.rotation; + } + (0, _pdfjsLib.setLayerDimensions)(this.div, viewport, true, false); + } + + setPdfPage(pdfPage) { + if (this._isStandalone && (this.pageColors?.foreground === "CanvasText" || this.pageColors?.background === "Canvas")) { + this._container?.style.setProperty("--hcm-highligh-filter", pdfPage.filterFactory.addHighlightHCMFilter("CanvasText", "Canvas", "HighlightText", "Highlight")); + } + this.pdfPage = pdfPage; + this.pdfPageRotate = pdfPage.rotate; + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = pdfPage.getViewport({ + scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS, + rotation: totalRotation + }); + this.#setDimensions(); + this.reset(); + } + + destroy() { + this.reset(); + this.pdfPage?.cleanup(); + } + + get _textHighlighter() { + return (0, _pdfjsLib.shadow)(this, "_textHighlighter", new _text_highlighter.TextHighlighter({ + pageIndex: this.id - 1, + eventBus: this.eventBus, + findController: this.#layerProperties().findController + })); + } + + async #renderAnnotationLayer() { + let error = null; + try { + await this.annotationLayer.render(this.viewport, "display"); + } catch (ex) { + console.error(`#renderAnnotationLayer: "${ex}".`); + error = ex; + } finally { + this.eventBus.dispatch("annotationlayerrendered", { + source: this, + pageNumber: this.id, + error + }); + } + } + + async #renderAnnotationEditorLayer() { + let error = null; + try { + await this.annotationEditorLayer.render(this.viewport, "display"); + } catch (ex) { + console.error(`#renderAnnotationEditorLayer: "${ex}".`); + error = ex; + } finally { + this.eventBus.dispatch("annotationeditorlayerrendered", { + source: this, + pageNumber: this.id, + error + }); + } + } + + async #renderXfaLayer() { + let error = null; + try { + const result = await this.xfaLayer.render(this.viewport, "display"); + if (result?.textDivs && this._textHighlighter) { + this.#buildXfaTextContentItems(result.textDivs); + } + } catch (ex) { + console.error(`#renderXfaLayer: "${ex}".`); + error = ex; + } finally { + this.eventBus.dispatch("xfalayerrendered", { + source: this, + pageNumber: this.id, + error + }); + } + } + + async #renderTextLayer() { + const { + pdfPage, + textLayer, + viewport + } = this; + if (!textLayer) { + return; + } + let error = null; + try { + if (!textLayer.renderingDone) { + const readableStream = pdfPage.streamTextContent({ + includeMarkedContent: true, + disableNormalization: true + }); + textLayer.setTextContentSource(readableStream); + } + await textLayer.render(viewport); + } catch (ex) { + if (ex instanceof _pdfjsLib.AbortException) { + return; + } + console.error(`#renderTextLayer: "${ex}".`); + error = ex; + } + this.eventBus.dispatch("textlayerrendered", { + source: this, + pageNumber: this.id, + numTextDivs: textLayer.numTextDivs, + error + }); + this.#renderStructTreeLayer(); + } + + async #renderStructTreeLayer() { + if (!this.textLayer) { + return; + } + this.structTreeLayer ||= new _struct_tree_layer_builder.StructTreeLayerBuilder(); + const tree = await (!this.structTreeLayer.renderingDone ? this.pdfPage.getStructTree() : null); + const treeDom = this.structTreeLayer?.render(tree); + if (treeDom) { + this.canvas?.append(treeDom); + } + this.structTreeLayer?.show(); + } + + async #buildXfaTextContentItems(textDivs) { + const text = await this.pdfPage.getTextContent(); + const items = []; + for (const item of text.items) { + items.push(item.str); + } + this._textHighlighter.setTextMapping(textDivs, items); + this._textHighlighter.enable(); + } + + _resetZoomLayer(removeFromDOM = false) { + if (!this.zoomLayer) { + return; + } + const zoomLayerCanvas = this.zoomLayer.firstChild; + this.#viewportMap.delete(zoomLayerCanvas); + zoomLayerCanvas.width = 0; + zoomLayerCanvas.height = 0; + if (removeFromDOM) { + this.zoomLayer.remove(); + } + this.zoomLayer = null; + } + + reset({ + keepZoomLayer = false, + keepAnnotationLayer = false, + keepAnnotationEditorLayer = false, + keepXfaLayer = false, + keepTextLayer = false + } = {}) { + this.cancelRendering({ + keepAnnotationLayer, + keepAnnotationEditorLayer, + keepXfaLayer, + keepTextLayer + }); + this.renderingState = _ui_utils.RenderingStates.INITIAL; + const div = this.div; + const childNodes = div.childNodes, + zoomLayerNode = keepZoomLayer && this.zoomLayer || null, + annotationLayerNode = keepAnnotationLayer && this.annotationLayer?.div || null, + annotationEditorLayerNode = keepAnnotationEditorLayer && this.annotationEditorLayer?.div || null, + xfaLayerNode = keepXfaLayer && this.xfaLayer?.div || null, + textLayerNode = keepTextLayer && this.textLayer?.div || null; + for (let i = childNodes.length - 1; i >= 0; i--) { + const node = childNodes[i]; + switch (node) { + case zoomLayerNode: + case annotationLayerNode: + case annotationEditorLayerNode: + case xfaLayerNode: + case textLayerNode: + continue; + } + node.remove(); + } + div.removeAttribute("data-loaded"); + if (annotationLayerNode) { + this.annotationLayer.hide(); + } + if (annotationEditorLayerNode) { + this.annotationEditorLayer.hide(); + } + if (xfaLayerNode) { + this.xfaLayer.hide(); + } + if (textLayerNode) { + this.textLayer.hide(); + } + this.structTreeLayer?.hide(); + if (!zoomLayerNode) { + if (this.canvas) { + this.#viewportMap.delete(this.canvas); + this.canvas.width = 0; + this.canvas.height = 0; + delete this.canvas; + } + this._resetZoomLayer(); + } + } + + update({ + scale = 0, + rotation = null, + optionalContentConfigPromise = null, + drawingDelay = -1 + }) { + this.scale = scale || this.scale; + if (typeof rotation === "number") { + this.rotation = rotation; + } + if (optionalContentConfigPromise instanceof Promise) { + this._optionalContentConfigPromise = optionalContentConfigPromise; + optionalContentConfigPromise.then(optionalContentConfig => { + if (optionalContentConfigPromise !== this._optionalContentConfigPromise) { + return; + } + this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility; + }); + } + this.#useThumbnailCanvas.directDrawing = true; + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = this.viewport.clone({ + scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS, + rotation: totalRotation + }); + this.#setDimensions(); + if (this._isStandalone) { + this._container?.style.setProperty("--scale-factor", this.viewport.scale); + } + if (this.canvas) { + let onlyCssZoom = false; + if (this.#hasRestrictedScaling) { + if (this.maxCanvasPixels === 0) { + onlyCssZoom = true; + } else if (this.maxCanvasPixels > 0) { + const { + width, + height + } = this.viewport; + const { + sx, + sy + } = this.outputScale; + onlyCssZoom = (Math.floor(width) * sx | 0) * (Math.floor(height) * sy | 0) > this.maxCanvasPixels; + } + } + const postponeDrawing = !onlyCssZoom && drawingDelay >= 0 && drawingDelay < 1000; + if (postponeDrawing || onlyCssZoom) { + if (postponeDrawing && this.renderingState !== _ui_utils.RenderingStates.FINISHED) { + this.cancelRendering({ + keepZoomLayer: true, + keepAnnotationLayer: true, + keepAnnotationEditorLayer: true, + keepXfaLayer: true, + keepTextLayer: true, + cancelExtraDelay: drawingDelay + }); + this.renderingState = _ui_utils.RenderingStates.FINISHED; + this.#useThumbnailCanvas.directDrawing = false; + } + this.cssTransform({ + target: this.canvas, + redrawAnnotationLayer: true, + redrawAnnotationEditorLayer: true, + redrawXfaLayer: true, + redrawTextLayer: !postponeDrawing, + hideTextLayer: postponeDrawing + }); + if (postponeDrawing) { + return; + } + this.eventBus.dispatch("pagerendered", { + source: this, + pageNumber: this.id, + cssTransform: true, + timestamp: performance.now(), + error: this.#renderError + }); + return; + } + if (!this.zoomLayer && !this.canvas.hidden) { + this.zoomLayer = this.canvas.parentNode; + this.zoomLayer.style.position = "absolute"; + } + } + if (this.zoomLayer) { + this.cssTransform({ + target: this.zoomLayer.firstChild + }); + } + this.reset({ + keepZoomLayer: true, + keepAnnotationLayer: true, + keepAnnotationEditorLayer: true, + keepXfaLayer: true, + keepTextLayer: true + }); + } + + cancelRendering({ + keepAnnotationLayer = false, + keepAnnotationEditorLayer = false, + keepXfaLayer = false, + keepTextLayer = false, + cancelExtraDelay = 0 + } = {}) { + if (this.renderTask) { + this.renderTask.cancel(cancelExtraDelay); + this.renderTask = null; + } + this.resume = null; + if (this.textLayer && (!keepTextLayer || !this.textLayer.div)) { + this.textLayer.cancel(); + this.textLayer = null; + } + if (this.structTreeLayer && !this.textLayer) { + this.structTreeLayer = null; + } + if (this.annotationLayer && (!keepAnnotationLayer || !this.annotationLayer.div)) { + this.annotationLayer.cancel(); + this.annotationLayer = null; + this._annotationCanvasMap = null; + } + if (this.annotationEditorLayer && (!keepAnnotationEditorLayer || !this.annotationEditorLayer.div)) { + this.annotationEditorLayer.cancel(); + this.annotationEditorLayer = null; + } + if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) { + this.xfaLayer.cancel(); + this.xfaLayer = null; + this._textHighlighter?.disable(); + } + } + + cssTransform({ + target, + redrawAnnotationLayer = false, + redrawAnnotationEditorLayer = false, + redrawXfaLayer = false, + redrawTextLayer = false, + hideTextLayer = false + }) { + if (!target.hasAttribute("zooming")) { + target.setAttribute("zooming", true); + const { + style + } = target; + style.width = style.height = ""; + } + const originalViewport = this.#viewportMap.get(target); + if (this.viewport !== originalViewport) { + const relativeRotation = this.viewport.rotation - originalViewport.rotation; + const absRotation = Math.abs(relativeRotation); + let scaleX = 1, + scaleY = 1; + if (absRotation === 90 || absRotation === 270) { + const { + width, + height + } = this.viewport; + scaleX = height / width; + scaleY = width / height; + } + target.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX}, ${scaleY})`; + } + if (redrawAnnotationLayer && this.annotationLayer) { + this.#renderAnnotationLayer(); + } + if (redrawAnnotationEditorLayer && this.annotationEditorLayer) { + this.#renderAnnotationEditorLayer(); + } + if (redrawXfaLayer && this.xfaLayer) { + this.#renderXfaLayer(); + } + if (this.textLayer) { + if (hideTextLayer) { + this.textLayer.hide(); + this.structTreeLayer?.hide(); + } else if (redrawTextLayer) { + this.#renderTextLayer(); + } + } + } + + get width() { + return this.viewport.width; + } + + get height() { + return this.viewport.height; + } + + getPagePoint(x, y) { + return this.viewport.convertToPdfPoint(x, y); + } + + async #finishRenderTask(renderTask, error = null) { + if (renderTask === this.renderTask) { + this.renderTask = null; + } + if (error instanceof _pdfjsLib.RenderingCancelledException) { + this.#renderError = null; + return; + } + this.#renderError = error; + this.renderingState = _ui_utils.RenderingStates.FINISHED; + this._resetZoomLayer(true); + this.#useThumbnailCanvas.regularAnnotations = !renderTask.separateAnnots; + this.eventBus.dispatch("pagerendered", { + source: this, + pageNumber: this.id, + cssTransform: false, + timestamp: performance.now(), + error: this.#renderError + }); + if (error) { + throw error; + } + } + + async draw() { + if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) { + console.error("Must be in new state before drawing"); + this.reset(); + } + const { + div, + l10n, + pageColors, + pdfPage, + viewport + } = this; + if (!pdfPage) { + this.renderingState = _ui_utils.RenderingStates.FINISHED; + throw new Error("pdfPage is not loaded"); + } + this.renderingState = _ui_utils.RenderingStates.RUNNING; + const canvasWrapper = document.createElement("div"); + canvasWrapper.classList.add("canvasWrapper"); + div.append(canvasWrapper); + if (!this.textLayer && this.#textLayerMode !== _ui_utils.TextLayerMode.DISABLE && !pdfPage.isPureXfa) { + this._accessibilityManager ||= new _text_accessibility.TextAccessibilityManager(); + this.textLayer = new _text_layer_builder.TextLayerBuilder({ + highlighter: this._textHighlighter, + accessibilityManager: this._accessibilityManager, + isOffscreenCanvasSupported: this.isOffscreenCanvasSupported, + enablePermissions: this.#textLayerMode === _ui_utils.TextLayerMode.ENABLE_PERMISSIONS + }); + div.append(this.textLayer.div); + } + if (!this.annotationLayer && this.#annotationMode !== _pdfjsLib.AnnotationMode.DISABLE) { + const { + annotationStorage, + downloadManager, + enableScripting, + fieldObjectsPromise, + hasJSActionsPromise, + linkService + } = this.#layerProperties(); + this._annotationCanvasMap ||= new Map(); + this.annotationLayer = new _annotation_layer_builder.AnnotationLayerBuilder({ + pageDiv: div, + pdfPage, + annotationStorage, + imageResourcesPath: this.imageResourcesPath, + renderForms: this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS, + linkService, + downloadManager, + l10n, + enableScripting, + hasJSActionsPromise, + fieldObjectsPromise, + annotationCanvasMap: this._annotationCanvasMap, + accessibilityManager: this._accessibilityManager + }); + } + const renderContinueCallback = cont => { + showCanvas?.(false); + if (this.renderingQueue && !this.renderingQueue.isHighestPriority(this)) { + this.renderingState = _ui_utils.RenderingStates.PAUSED; + this.resume = () => { + this.renderingState = _ui_utils.RenderingStates.RUNNING; + cont(); + }; + return; + } + cont(); + }; + const { + width, + height + } = viewport; + const canvas = document.createElement("canvas"); + canvas.setAttribute("role", "presentation"); + canvas.hidden = true; + const hasHCM = !!(pageColors?.background && pageColors?.foreground); + let showCanvas = isLastShow => { + if (!hasHCM || isLastShow) { + canvas.hidden = false; + showCanvas = null; + } + }; + canvasWrapper.append(canvas); + this.canvas = canvas; + const ctx = canvas.getContext("2d", { + alpha: false + }); + const outputScale = this.outputScale = new _ui_utils.OutputScale(); + if (this.maxCanvasPixels === 0) { + const invScale = 1 / this.scale; + outputScale.sx *= invScale; + outputScale.sy *= invScale; + this.#hasRestrictedScaling = true; + } else if (this.maxCanvasPixels > 0) { + const pixelsInViewport = width * height; + const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport); + if (outputScale.sx > maxScale || outputScale.sy > maxScale) { + outputScale.sx = maxScale; + outputScale.sy = maxScale; + this.#hasRestrictedScaling = true; + } else { + this.#hasRestrictedScaling = false; + } + } + const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx); + const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy); + canvas.width = (0, _ui_utils.roundToDivide)(width * outputScale.sx, sfx[0]); + canvas.height = (0, _ui_utils.roundToDivide)(height * outputScale.sy, sfy[0]); + const { + style + } = canvas; + style.width = (0, _ui_utils.roundToDivide)(width, sfx[1]) + "px"; + style.height = (0, _ui_utils.roundToDivide)(height, sfy[1]) + "px"; + this.#viewportMap.set(canvas, viewport); + const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null; + const renderContext = { + canvasContext: ctx, + transform, + viewport, + annotationMode: this.#annotationMode, + optionalContentConfigPromise: this._optionalContentConfigPromise, + annotationCanvasMap: this._annotationCanvasMap, + pageColors + }; + const renderTask = this.renderTask = this.pdfPage.render(renderContext); + renderTask.onContinue = renderContinueCallback; + const resultPromise = renderTask.promise.then(async () => { + showCanvas?.(true); + await this.#finishRenderTask(renderTask); + this.#renderTextLayer(); + if (this.annotationLayer) { + await this.#renderAnnotationLayer(); + } + if (!this.annotationEditorLayer) { + const { + annotationEditorUIManager + } = this.#layerProperties(); + if (!annotationEditorUIManager) { + return; + } + this.annotationEditorLayer = new _annotation_editor_layer_builder.AnnotationEditorLayerBuilder({ + uiManager: annotationEditorUIManager, + pageDiv: div, + pdfPage, + l10n, + accessibilityManager: this._accessibilityManager, + annotationLayer: this.annotationLayer?.annotationLayer + }); + } + this.#renderAnnotationEditorLayer(); + }, error => { + if (!(error instanceof _pdfjsLib.RenderingCancelledException)) { + showCanvas?.(true); + } + return this.#finishRenderTask(renderTask, error); + }); + if (pdfPage.isPureXfa) { + if (!this.xfaLayer) { + const { + annotationStorage, + linkService + } = this.#layerProperties(); + this.xfaLayer = new _xfa_layer_builder.XfaLayerBuilder({ + pageDiv: div, + pdfPage, + annotationStorage, + linkService + }); + } else if (this.xfaLayer.div) { + div.append(this.xfaLayer.div); + } + this.#renderXfaLayer(); + } + div.setAttribute("data-loaded", true); + this.eventBus.dispatch("pagerender", { + source: this, + pageNumber: this.id + }); + return resultPromise; + } + + setPageLabel(label) { + this.pageLabel = typeof label === "string" ? label : null; + if (this.pageLabel !== null) { + this.div.setAttribute("data-page-label", this.pageLabel); + } else { + this.div.removeAttribute("data-page-label"); + } + } + + get thumbnailCanvas() { + const { + directDrawing, + initialOptionalContent, + regularAnnotations + } = this.#useThumbnailCanvas; + return directDrawing && initialOptionalContent && regularAnnotations ? this.canvas : null; + } + } + + exports.PDFPageView = PDFPageView; + + /***/ + }), + /* 32 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.AnnotationEditorLayerBuilder = void 0; + var _pdfjsLib = __webpack_require__(4); + var _l10n_utils = __webpack_require__(30); + + class AnnotationEditorLayerBuilder { + #annotationLayer = null; + #uiManager; + + constructor(options) { + this.pageDiv = options.pageDiv; + this.pdfPage = options.pdfPage; + this.accessibilityManager = options.accessibilityManager; + this.l10n = options.l10n || _l10n_utils.NullL10n; + this.annotationEditorLayer = null; + this.div = null; + this._cancelled = false; + this.#uiManager = options.uiManager; + this.#annotationLayer = options.annotationLayer || null; + } + + async render(viewport, intent = "display") { + if (intent !== "display") { + return; + } + if (this._cancelled) { + return; + } + const clonedViewport = viewport.clone({ + dontFlip: true + }); + if (this.div) { + this.annotationEditorLayer.update({ + viewport: clonedViewport + }); + this.show(); + return; + } + const div = this.div = document.createElement("div"); + div.className = "annotationEditorLayer"; + div.tabIndex = 0; + div.hidden = true; + div.dir = this.#uiManager.direction; + this.pageDiv.append(div); + this.annotationEditorLayer = new _pdfjsLib.AnnotationEditorLayer({ + uiManager: this.#uiManager, + div, + accessibilityManager: this.accessibilityManager, + pageIndex: this.pdfPage.pageNumber - 1, + l10n: this.l10n, + viewport: clonedViewport, + annotationLayer: this.#annotationLayer + }); + const parameters = { + viewport: clonedViewport, + div, + annotations: null, + intent + }; + this.annotationEditorLayer.render(parameters); + this.show(); + } + + cancel() { + this._cancelled = true; + if (!this.div) { + return; + } + this.pageDiv = null; + this.annotationEditorLayer.destroy(); + this.div.remove(); + } + + hide() { + if (!this.div) { + return; + } + this.div.hidden = true; + } + + show() { + if (!this.div || this.annotationEditorLayer.isEmpty) { + return; + } + this.div.hidden = false; + } + } + + exports.AnnotationEditorLayerBuilder = AnnotationEditorLayerBuilder; + + /***/ + }), + /* 33 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.AnnotationLayerBuilder = void 0; + var _pdfjsLib = __webpack_require__(4); + var _l10n_utils = __webpack_require__(30); + var _ui_utils = __webpack_require__(3); + + class AnnotationLayerBuilder { + #onPresentationModeChanged = null; + + constructor({ + pageDiv, + pdfPage, + linkService, + downloadManager, + annotationStorage = null, + imageResourcesPath = "", + renderForms = true, + l10n = _l10n_utils.NullL10n, + enableScripting = false, + hasJSActionsPromise = null, + fieldObjectsPromise = null, + annotationCanvasMap = null, + accessibilityManager = null + }) { + this.pageDiv = pageDiv; + this.pdfPage = pdfPage; + this.linkService = linkService; + this.downloadManager = downloadManager; + this.imageResourcesPath = imageResourcesPath; + this.renderForms = renderForms; + this.l10n = l10n; + this.annotationStorage = annotationStorage; + this.enableScripting = enableScripting; + this._hasJSActionsPromise = hasJSActionsPromise || Promise.resolve(false); + this._fieldObjectsPromise = fieldObjectsPromise || Promise.resolve(null); + this._annotationCanvasMap = annotationCanvasMap; + this._accessibilityManager = accessibilityManager; + this.annotationLayer = null; + this.div = null; + this._cancelled = false; + this._eventBus = linkService.eventBus; + } + + async render(viewport, intent = "display") { + if (this.div) { + if (this._cancelled || !this.annotationLayer) { + return; + } + this.annotationLayer.update({ + viewport: viewport.clone({ + dontFlip: true + }) + }); + return; + } + const [annotations, hasJSActions, fieldObjects] = await Promise.all([this.pdfPage.getAnnotations({ + intent + }), this._hasJSActionsPromise, this._fieldObjectsPromise]); + if (this._cancelled) { + return; + } + const div = this.div = document.createElement("div"); + div.className = "annotationLayer"; + this.pageDiv.append(div); + if (annotations.length === 0) { + this.hide(); + return; + } + this.annotationLayer = new _pdfjsLib.AnnotationLayer({ + div, + accessibilityManager: this._accessibilityManager, + annotationCanvasMap: this._annotationCanvasMap, + l10n: this.l10n, + page: this.pdfPage, + viewport: viewport.clone({ + dontFlip: true + }) + }); + await this.annotationLayer.render({ + annotations, + imageResourcesPath: this.imageResourcesPath, + renderForms: this.renderForms, + linkService: this.linkService, + downloadManager: this.downloadManager, + annotationStorage: this.annotationStorage, + enableScripting: this.enableScripting, + hasJSActions, + fieldObjects + }); + if (this.linkService.isInPresentationMode) { + this.#updatePresentationModeState(_ui_utils.PresentationModeState.FULLSCREEN); + } + if (!this.#onPresentationModeChanged) { + this.#onPresentationModeChanged = evt => { + this.#updatePresentationModeState(evt.state); + }; + this._eventBus?._on("presentationmodechanged", this.#onPresentationModeChanged); + } + } + + cancel() { + this._cancelled = true; + if (this.#onPresentationModeChanged) { + this._eventBus?._off("presentationmodechanged", this.#onPresentationModeChanged); + this.#onPresentationModeChanged = null; + } + } + + hide() { + if (!this.div) { + return; + } + this.div.hidden = true; + } + + #updatePresentationModeState(state) { + if (!this.div) { + return; + } + let disableFormElements = false; + switch (state) { + case _ui_utils.PresentationModeState.FULLSCREEN: + disableFormElements = true; + break; + case _ui_utils.PresentationModeState.NORMAL: + break; + default: + return; + } + for (const section of this.div.childNodes) { + if (section.hasAttribute("data-internal-link")) { + continue; + } + section.inert = disableFormElements; + } + } + } + + exports.AnnotationLayerBuilder = AnnotationLayerBuilder; + + /***/ + }), + /* 34 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.StructTreeLayerBuilder = void 0; + var _ui_utils = __webpack_require__(3); + const PDF_ROLE_TO_HTML_ROLE = { + Document: null, + DocumentFragment: null, + Part: "group", + Sect: "group", + Div: "group", + Aside: "note", + NonStruct: "none", + P: null, + H: "heading", + Title: null, + FENote: "note", + Sub: "group", + Lbl: null, + Span: null, + Em: null, + Strong: null, + Link: "link", + Annot: "note", + Form: "form", + Ruby: null, + RB: null, + RT: null, + RP: null, + Warichu: null, + WT: null, + WP: null, + L: "list", + LI: "listitem", + LBody: null, + Table: "table", + TR: "row", + TH: "columnheader", + TD: "cell", + THead: "columnheader", + TBody: null, + TFoot: null, + Caption: null, + Figure: "figure", + Formula: null, + Artifact: null + }; + const HEADING_PATTERN = /^H(\d+)$/; + + class StructTreeLayerBuilder { + #treeDom = undefined; + + get renderingDone() { + return this.#treeDom !== undefined; + } + + render(structTree) { + if (this.#treeDom !== undefined) { + return this.#treeDom; + } + const treeDom = this.#walk(structTree); + treeDom?.classList.add("structTree"); + return this.#treeDom = treeDom; + } + + hide() { + if (this.#treeDom && !this.#treeDom.hidden) { + this.#treeDom.hidden = true; + } + } + + show() { + if (this.#treeDom?.hidden) { + this.#treeDom.hidden = false; + } + } + + #setAttributes(structElement, htmlElement) { + const { + alt, + id, + lang + } = structElement; + if (alt !== undefined) { + htmlElement.setAttribute("aria-label", (0, _ui_utils.removeNullCharacters)(alt)); + } + if (id !== undefined) { + htmlElement.setAttribute("aria-owns", id); + } + if (lang !== undefined) { + htmlElement.setAttribute("lang", (0, _ui_utils.removeNullCharacters)(lang, true)); + } + } + + #walk(node) { + if (!node) { + return null; + } + const element = document.createElement("span"); + if ("role" in node) { + const { + role + } = node; + const match = role.match(HEADING_PATTERN); + if (match) { + element.setAttribute("role", "heading"); + element.setAttribute("aria-level", match[1]); + } else if (PDF_ROLE_TO_HTML_ROLE[role]) { + element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]); + } + } + this.#setAttributes(node, element); + if (node.children) { + if (node.children.length === 1 && "id" in node.children[0]) { + this.#setAttributes(node.children[0], element); + } else { + for (const kid of node.children) { + element.append(this.#walk(kid)); + } + } + } + return element; + } + } + + exports.StructTreeLayerBuilder = StructTreeLayerBuilder; + + /***/ + }), + /* 35 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.TextAccessibilityManager = void 0; + var _ui_utils = __webpack_require__(3); + + class TextAccessibilityManager { + #enabled = false; + #textChildren = null; + #textNodes = new Map(); + #waitingElements = new Map(); + + setTextMapping(textDivs) { + this.#textChildren = textDivs; + } + + static #compareElementPositions(e1, e2) { + const rect1 = e1.getBoundingClientRect(); + const rect2 = e2.getBoundingClientRect(); + if (rect1.width === 0 && rect1.height === 0) { + return +1; + } + if (rect2.width === 0 && rect2.height === 0) { + return -1; + } + const top1 = rect1.y; + const bot1 = rect1.y + rect1.height; + const mid1 = rect1.y + rect1.height / 2; + const top2 = rect2.y; + const bot2 = rect2.y + rect2.height; + const mid2 = rect2.y + rect2.height / 2; + if (mid1 <= top2 && mid2 >= bot1) { + return -1; + } + if (mid2 <= top1 && mid1 >= bot2) { + return +1; + } + const centerX1 = rect1.x + rect1.width / 2; + const centerX2 = rect2.x + rect2.width / 2; + return centerX1 - centerX2; + } + + enable() { + if (this.#enabled) { + throw new Error("TextAccessibilityManager is already enabled."); + } + if (!this.#textChildren) { + throw new Error("Text divs and strings have not been set."); + } + this.#enabled = true; + this.#textChildren = this.#textChildren.slice(); + this.#textChildren.sort(TextAccessibilityManager.#compareElementPositions); + if (this.#textNodes.size > 0) { + const textChildren = this.#textChildren; + for (const [id, nodeIndex] of this.#textNodes) { + const element = document.getElementById(id); + if (!element) { + this.#textNodes.delete(id); + continue; + } + this.#addIdToAriaOwns(id, textChildren[nodeIndex]); + } + } + for (const [element, isRemovable] of this.#waitingElements) { + this.addPointerInTextLayer(element, isRemovable); + } + this.#waitingElements.clear(); + } + + disable() { + if (!this.#enabled) { + return; + } + this.#waitingElements.clear(); + this.#textChildren = null; + this.#enabled = false; + } + + removePointerInTextLayer(element) { + if (!this.#enabled) { + this.#waitingElements.delete(element); + return; + } + const children = this.#textChildren; + if (!children || children.length === 0) { + return; + } + const { + id + } = element; + const nodeIndex = this.#textNodes.get(id); + if (nodeIndex === undefined) { + return; + } + const node = children[nodeIndex]; + this.#textNodes.delete(id); + let owns = node.getAttribute("aria-owns"); + if (owns?.includes(id)) { + owns = owns.split(" ").filter(x => x !== id).join(" "); + if (owns) { + node.setAttribute("aria-owns", owns); + } else { + node.removeAttribute("aria-owns"); + node.setAttribute("role", "presentation"); + } + } + } + + #addIdToAriaOwns(id, node) { + const owns = node.getAttribute("aria-owns"); + if (!owns?.includes(id)) { + node.setAttribute("aria-owns", owns ? `${owns} ${id}` : id); + } + node.removeAttribute("role"); + } + + addPointerInTextLayer(element, isRemovable) { + const { + id + } = element; + if (!id) { + return null; + } + if (!this.#enabled) { + this.#waitingElements.set(element, isRemovable); + return null; + } + if (isRemovable) { + this.removePointerInTextLayer(element); + } + const children = this.#textChildren; + if (!children || children.length === 0) { + return null; + } + const index = (0, _ui_utils.binarySearchFirstItem)(children, node => TextAccessibilityManager.#compareElementPositions(element, node) < 0); + const nodeIndex = Math.max(0, index - 1); + const child = children[nodeIndex]; + this.#addIdToAriaOwns(id, child); + this.#textNodes.set(id, nodeIndex); + const parent = child.parentNode; + return parent?.classList.contains("markedContent") ? parent.id : null; + } + + moveElementInDOM(container, element, contentElement, isRemovable) { + const id = this.addPointerInTextLayer(contentElement, isRemovable); + if (!container.hasChildNodes()) { + container.append(element); + return id; + } + const children = Array.from(container.childNodes).filter(node => node !== element); + if (children.length === 0) { + return id; + } + const elementToCompare = contentElement || element; + const index = (0, _ui_utils.binarySearchFirstItem)(children, node => TextAccessibilityManager.#compareElementPositions(elementToCompare, node) < 0); + if (index === 0) { + children[0].before(element); + } else { + children[index - 1].after(element); + } + return id; + } + } + + exports.TextAccessibilityManager = TextAccessibilityManager; + + /***/ + }), + /* 36 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.TextHighlighter = void 0; + + class TextHighlighter { + constructor({ + findController, + eventBus, + pageIndex + }) { + this.findController = findController; + this.matches = []; + this.eventBus = eventBus; + this.pageIdx = pageIndex; + this._onUpdateTextLayerMatches = null; + this.textDivs = null; + this.textContentItemsStr = null; + this.enabled = false; + } + + setTextMapping(divs, texts) { + this.textDivs = divs; + this.textContentItemsStr = texts; + } + + enable() { + if (!this.textDivs || !this.textContentItemsStr) { + throw new Error("Text divs and strings have not been set."); + } + if (this.enabled) { + throw new Error("TextHighlighter is already enabled."); + } + this.enabled = true; + if (!this._onUpdateTextLayerMatches) { + this._onUpdateTextLayerMatches = evt => { + if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) { + this._updateMatches(); + } + }; + this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches); + } + this._updateMatches(); + } + + disable() { + if (!this.enabled) { + return; + } + this.enabled = false; + if (this._onUpdateTextLayerMatches) { + this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches); + this._onUpdateTextLayerMatches = null; + } + this._updateMatches(true); + } + + _convertMatches(matches, matchesLength) { + if (!matches) { + return []; + } + const { + textContentItemsStr + } = this; + let i = 0, + iIndex = 0; + const end = textContentItemsStr.length - 1; + const result = []; + for (let m = 0, mm = matches.length; m < mm; m++) { + let matchIdx = matches[m]; + while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) { + iIndex += textContentItemsStr[i].length; + i++; + } + if (i === textContentItemsStr.length) { + console.error("Could not find a matching mapping"); + } + const match = { + begin: { + divIdx: i, + offset: matchIdx - iIndex + } + }; + matchIdx += matchesLength[m]; + while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) { + iIndex += textContentItemsStr[i].length; + i++; + } + match.end = { + divIdx: i, + offset: matchIdx - iIndex + }; + result.push(match); + } + return result; + } + + _renderMatches(matches) { + if (matches.length === 0) { + return; + } + const { + findController, + pageIdx + } = this; + const { + textContentItemsStr, + textDivs + } = this; + const isSelectedPage = pageIdx === findController.selected.pageIdx; + const selectedMatchIdx = findController.selected.matchIdx; + const highlightAll = findController.state.highlightAll; + let prevEnd = null; + const infinity = { + divIdx: -1, + offset: undefined + }; + + function beginText(begin, className) { + const divIdx = begin.divIdx; + textDivs[divIdx].textContent = ""; + return appendTextToDiv(divIdx, 0, begin.offset, className); + } + + function appendTextToDiv(divIdx, fromOffset, toOffset, className) { + let div = textDivs[divIdx]; + if (div.nodeType === Node.TEXT_NODE) { + const span = document.createElement("span"); + div.before(span); + span.append(div); + textDivs[divIdx] = span; + div = span; + } + const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset); + const node = document.createTextNode(content); + if (className) { + const span = document.createElement("span"); + span.className = `${className} appended`; + span.append(node); + div.append(span); + return className.includes("selected") ? span.offsetLeft : 0; + } + div.append(node); + return 0; + } + + let i0 = selectedMatchIdx, + i1 = i0 + 1; + if (highlightAll) { + i0 = 0; + i1 = matches.length; + } else if (!isSelectedPage) { + return; + } + let lastDivIdx = -1; + let lastOffset = -1; + for (let i = i0; i < i1; i++) { + const match = matches[i]; + const begin = match.begin; + if (begin.divIdx === lastDivIdx && begin.offset === lastOffset) { + continue; + } + lastDivIdx = begin.divIdx; + lastOffset = begin.offset; + const end = match.end; + const isSelected = isSelectedPage && i === selectedMatchIdx; + const highlightSuffix = isSelected ? " selected" : ""; + let selectedLeft = 0; + if (!prevEnd || begin.divIdx !== prevEnd.divIdx) { + if (prevEnd !== null) { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset); + } + beginText(begin); + } else { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset); + } + if (begin.divIdx === end.divIdx) { + selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix); + } else { + selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix); + for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) { + textDivs[n0].className = "highlight middle" + highlightSuffix; + } + beginText(end, "highlight end" + highlightSuffix); + } + prevEnd = end; + if (isSelected) { + findController.scrollMatchIntoView({ + element: textDivs[begin.divIdx], + selectedLeft, + pageIndex: pageIdx, + matchIndex: selectedMatchIdx + }); + } + } + if (prevEnd) { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset); + } + } + + _updateMatches(reset = false) { + if (!this.enabled && !reset) { + return; + } + const { + findController, + matches, + pageIdx + } = this; + const { + textContentItemsStr, + textDivs + } = this; + let clearedUntilDivIdx = -1; + for (const match of matches) { + const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx); + for (let n = begin, end = match.end.divIdx; n <= end; n++) { + const div = textDivs[n]; + div.textContent = textContentItemsStr[n]; + div.className = ""; + } + clearedUntilDivIdx = match.end.divIdx + 1; + } + if (!findController?.highlightMatches || reset) { + return; + } + const pageMatches = findController.pageMatches[pageIdx] || null; + const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null; + this.matches = this._convertMatches(pageMatches, pageMatchesLength); + this._renderMatches(this.matches); + } + } + + exports.TextHighlighter = TextHighlighter; + + /***/ + }), + /* 37 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.TextLayerBuilder = void 0; + var _pdfjsLib = __webpack_require__(4); + var _ui_utils = __webpack_require__(3); + + class TextLayerBuilder { + #enablePermissions = false; + #rotation = 0; + #scale = 0; + #textContentSource = null; + + constructor({ + highlighter = null, + accessibilityManager = null, + isOffscreenCanvasSupported = true, + enablePermissions = false + }) { + this.textContentItemsStr = []; + this.renderingDone = false; + this.textDivs = []; + this.textDivProperties = new WeakMap(); + this.textLayerRenderTask = null; + this.highlighter = highlighter; + this.accessibilityManager = accessibilityManager; + this.isOffscreenCanvasSupported = isOffscreenCanvasSupported; + this.#enablePermissions = enablePermissions === true; + this.div = document.createElement("div"); + this.div.className = "textLayer"; + this.hide(); + } + + #finishRendering() { + this.renderingDone = true; + const endOfContent = document.createElement("div"); + endOfContent.className = "endOfContent"; + this.div.append(endOfContent); + this.#bindMouse(); + } + + get numTextDivs() { + return this.textDivs.length; + } + + async render(viewport) { + if (!this.#textContentSource) { + throw new Error('No "textContentSource" parameter specified.'); + } + const scale = viewport.scale * (globalThis.devicePixelRatio || 1); + const { + rotation + } = viewport; + if (this.renderingDone) { + const mustRotate = rotation !== this.#rotation; + const mustRescale = scale !== this.#scale; + if (mustRotate || mustRescale) { + this.hide(); + (0, _pdfjsLib.updateTextLayer)({ + container: this.div, + viewport, + textDivs: this.textDivs, + textDivProperties: this.textDivProperties, + isOffscreenCanvasSupported: this.isOffscreenCanvasSupported, + mustRescale, + mustRotate + }); + this.#scale = scale; + this.#rotation = rotation; + } + this.show(); + return; + } + this.cancel(); + this.highlighter?.setTextMapping(this.textDivs, this.textContentItemsStr); + this.accessibilityManager?.setTextMapping(this.textDivs); + this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({ + textContentSource: this.#textContentSource, + container: this.div, + viewport, + textDivs: this.textDivs, + textDivProperties: this.textDivProperties, + textContentItemsStr: this.textContentItemsStr, + isOffscreenCanvasSupported: this.isOffscreenCanvasSupported + }); + await this.textLayerRenderTask.promise; + this.#finishRendering(); + this.#scale = scale; + this.#rotation = rotation; + this.show(); + this.accessibilityManager?.enable(); + } + + hide() { + if (!this.div.hidden) { + this.highlighter?.disable(); + this.div.hidden = true; + } + } + + show() { + if (this.div.hidden && this.renderingDone) { + this.div.hidden = false; + this.highlighter?.enable(); + } + } + + cancel() { + if (this.textLayerRenderTask) { + this.textLayerRenderTask.cancel(); + this.textLayerRenderTask = null; + } + this.highlighter?.disable(); + this.accessibilityManager?.disable(); + this.textContentItemsStr.length = 0; + this.textDivs.length = 0; + this.textDivProperties = new WeakMap(); + } + + setTextContentSource(source) { + this.cancel(); + this.#textContentSource = source; + } + + #bindMouse() { + const { + div + } = this; + div.addEventListener("mousedown", evt => { + const end = div.querySelector(".endOfContent"); + if (!end) { + return; + } + let adjustTop = evt.target !== div; + adjustTop &&= getComputedStyle(end).getPropertyValue("-moz-user-select") !== "none"; + if (adjustTop) { + const divBounds = div.getBoundingClientRect(); + const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height); + end.style.top = (r * 100).toFixed(2) + "%"; + } + end.classList.add("active"); + }); + div.addEventListener("mouseup", () => { + const end = div.querySelector(".endOfContent"); + if (!end) { + return; + } + end.style.top = ""; + end.classList.remove("active"); + }); + div.addEventListener("copy", event => { + if (!this.#enablePermissions) { + const selection = document.getSelection(); + event.clipboardData.setData("text/plain", (0, _ui_utils.removeNullCharacters)((0, _pdfjsLib.normalizeUnicode)(selection.toString()))); + } + event.preventDefault(); + event.stopPropagation(); + }); + } + } + + exports.TextLayerBuilder = TextLayerBuilder; + + /***/ + }), + /* 38 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.XfaLayerBuilder = void 0; + var _pdfjsLib = __webpack_require__(4); + + class XfaLayerBuilder { + constructor({ + pageDiv, + pdfPage, + annotationStorage = null, + linkService, + xfaHtml = null + }) { + this.pageDiv = pageDiv; + this.pdfPage = pdfPage; + this.annotationStorage = annotationStorage; + this.linkService = linkService; + this.xfaHtml = xfaHtml; + this.div = null; + this._cancelled = false; + } + + async render(viewport, intent = "display") { + if (intent === "print") { + const parameters = { + viewport: viewport.clone({ + dontFlip: true + }), + div: this.div, + xfaHtml: this.xfaHtml, + annotationStorage: this.annotationStorage, + linkService: this.linkService, + intent + }; + const div = document.createElement("div"); + this.pageDiv.append(div); + parameters.div = div; + return _pdfjsLib.XfaLayer.render(parameters); + } + const xfaHtml = await this.pdfPage.getXfa(); + if (this._cancelled || !xfaHtml) { + return { + textDivs: [] + }; + } + const parameters = { + viewport: viewport.clone({ + dontFlip: true + }), + div: this.div, + xfaHtml, + annotationStorage: this.annotationStorage, + linkService: this.linkService, + intent + }; + if (this.div) { + return _pdfjsLib.XfaLayer.update(parameters); + } + this.div = document.createElement("div"); + this.pageDiv.append(this.div); + parameters.div = this.div; + return _pdfjsLib.XfaLayer.render(parameters); + } + + cancel() { + this._cancelled = true; + } + + hide() { + if (!this.div) { + return; + } + this.div.hidden = true; + } + } + + exports.XfaLayerBuilder = XfaLayerBuilder; + + /***/ + }), + /* 39 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.SecondaryToolbar = void 0; + var _ui_utils = __webpack_require__(3); + var _pdf_viewer = __webpack_require__(29); + + class SecondaryToolbar { + constructor(options, eventBus) { + this.toolbar = options.toolbar; + this.toggleButton = options.toggleButton; + this.buttons = [{ + element: options.presentationModeButton, + eventName: "presentationmode", + close: true + }, { + element: options.printButton, + eventName: "print", + close: true + }, { + element: options.downloadButton, + eventName: "download", + close: true + }, { + element: options.viewBookmarkButton, + eventName: null, + close: true + }, { + element: options.firstPageButton, + eventName: "firstpage", + close: true + }, { + element: options.lastPageButton, + eventName: "lastpage", + close: true + }, { + element: options.pageRotateCwButton, + eventName: "rotatecw", + close: false + }, { + element: options.pageRotateCcwButton, + eventName: "rotateccw", + close: false + }, { + element: options.cursorSelectToolButton, + eventName: "switchcursortool", + eventDetails: { + tool: _ui_utils.CursorTool.SELECT + }, + close: true + }, { + element: options.cursorHandToolButton, + eventName: "switchcursortool", + eventDetails: { + tool: _ui_utils.CursorTool.HAND + }, + close: true + }, { + element: options.scrollPageButton, + eventName: "switchscrollmode", + eventDetails: { + mode: _ui_utils.ScrollMode.PAGE + }, + close: true + }, { + element: options.scrollVerticalButton, + eventName: "switchscrollmode", + eventDetails: { + mode: _ui_utils.ScrollMode.VERTICAL + }, + close: true + }, { + element: options.scrollHorizontalButton, + eventName: "switchscrollmode", + eventDetails: { + mode: _ui_utils.ScrollMode.HORIZONTAL + }, + close: true + }, { + element: options.scrollWrappedButton, + eventName: "switchscrollmode", + eventDetails: { + mode: _ui_utils.ScrollMode.WRAPPED + }, + close: true + }, { + element: options.spreadNoneButton, + eventName: "switchspreadmode", + eventDetails: { + mode: _ui_utils.SpreadMode.NONE + }, + close: true + }, { + element: options.spreadOddButton, + eventName: "switchspreadmode", + eventDetails: { + mode: _ui_utils.SpreadMode.ODD + }, + close: true + }, { + element: options.spreadEvenButton, + eventName: "switchspreadmode", + eventDetails: { + mode: _ui_utils.SpreadMode.EVEN + }, + close: true + }, { + element: options.documentPropertiesButton, + eventName: "documentproperties", + close: true + }]; + this.buttons.push({ + element: options.openFileButton, + eventName: "openfile", + close: true + }); + this.items = { + firstPage: options.firstPageButton, + lastPage: options.lastPageButton, + pageRotateCw: options.pageRotateCwButton, + pageRotateCcw: options.pageRotateCcwButton + }; + this.eventBus = eventBus; + this.opened = false; + this.#bindClickListeners(); + this.#bindCursorToolsListener(options); + this.#bindScrollModeListener(options); + this.#bindSpreadModeListener(options); + this.reset(); + } + + get isOpen() { + return this.opened; + } + + setPageNumber(pageNumber) { + this.pageNumber = pageNumber; + this.#updateUIState(); + } + + setPagesCount(pagesCount) { + this.pagesCount = pagesCount; + this.#updateUIState(); + } + + reset() { + this.pageNumber = 0; + this.pagesCount = 0; + this.#updateUIState(); + this.eventBus.dispatch("secondarytoolbarreset", { + source: this + }); + } + + #updateUIState() { + this.items.firstPage.disabled = this.pageNumber <= 1; + this.items.lastPage.disabled = this.pageNumber >= this.pagesCount; + this.items.pageRotateCw.disabled = this.pagesCount === 0; + this.items.pageRotateCcw.disabled = this.pagesCount === 0; + } + + #bindClickListeners() { + this.toggleButton.addEventListener("click", this.toggle.bind(this)); + for (const { + element, + eventName, + close, + eventDetails + } of this.buttons) { + element.addEventListener("click", evt => { + if (eventName !== null) { + this.eventBus.dispatch(eventName, { + source: this, + ...eventDetails + }); + } + if (close) { + this.close(); + } + this.eventBus.dispatch("reporttelemetry", { + source: this, + details: { + type: "buttons", + data: { + id: element.id + } + } + }); + }); + } + } + + #bindCursorToolsListener({ + cursorSelectToolButton, + cursorHandToolButton + }) { + this.eventBus._on("cursortoolchanged", ({ + tool + }) => { + (0, _ui_utils.toggleCheckedBtn)(cursorSelectToolButton, tool === _ui_utils.CursorTool.SELECT); + (0, _ui_utils.toggleCheckedBtn)(cursorHandToolButton, tool === _ui_utils.CursorTool.HAND); + }); + } + + #bindScrollModeListener({ + scrollPageButton, + scrollVerticalButton, + scrollHorizontalButton, + scrollWrappedButton, + spreadNoneButton, + spreadOddButton, + spreadEvenButton + }) { + const scrollModeChanged = ({ + mode + }) => { + (0, _ui_utils.toggleCheckedBtn)(scrollPageButton, mode === _ui_utils.ScrollMode.PAGE); + (0, _ui_utils.toggleCheckedBtn)(scrollVerticalButton, mode === _ui_utils.ScrollMode.VERTICAL); + (0, _ui_utils.toggleCheckedBtn)(scrollHorizontalButton, mode === _ui_utils.ScrollMode.HORIZONTAL); + (0, _ui_utils.toggleCheckedBtn)(scrollWrappedButton, mode === _ui_utils.ScrollMode.WRAPPED); + const forceScrollModePage = this.pagesCount > _pdf_viewer.PagesCountLimit.FORCE_SCROLL_MODE_PAGE; + scrollPageButton.disabled = forceScrollModePage; + scrollVerticalButton.disabled = forceScrollModePage; + scrollHorizontalButton.disabled = forceScrollModePage; + scrollWrappedButton.disabled = forceScrollModePage; + const isHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL; + spreadNoneButton.disabled = isHorizontal; + spreadOddButton.disabled = isHorizontal; + spreadEvenButton.disabled = isHorizontal; + }; + this.eventBus._on("scrollmodechanged", scrollModeChanged); + this.eventBus._on("secondarytoolbarreset", evt => { + if (evt.source === this) { + scrollModeChanged({ + mode: _ui_utils.ScrollMode.VERTICAL + }); + } + }); + } + + #bindSpreadModeListener({ + spreadNoneButton, + spreadOddButton, + spreadEvenButton + }) { + const spreadModeChanged = ({ + mode + }) => { + (0, _ui_utils.toggleCheckedBtn)(spreadNoneButton, mode === _ui_utils.SpreadMode.NONE); + (0, _ui_utils.toggleCheckedBtn)(spreadOddButton, mode === _ui_utils.SpreadMode.ODD); + (0, _ui_utils.toggleCheckedBtn)(spreadEvenButton, mode === _ui_utils.SpreadMode.EVEN); + }; + this.eventBus._on("spreadmodechanged", spreadModeChanged); + this.eventBus._on("secondarytoolbarreset", evt => { + if (evt.source === this) { + spreadModeChanged({ + mode: _ui_utils.SpreadMode.NONE + }); + } + }); + } + + open() { + if (this.opened) { + return; + } + this.opened = true; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, true, this.toolbar); + } + + close() { + if (!this.opened) { + return; + } + this.opened = false; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, false, this.toolbar); + } + + toggle() { + if (this.opened) { + this.close(); + } else { + this.open(); + } + } + } + + exports.SecondaryToolbar = SecondaryToolbar; + + /***/ + }), + /* 40 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.Toolbar = void 0; + var _ui_utils = __webpack_require__(3); + var _pdfjsLib = __webpack_require__(4); + const PAGE_NUMBER_LOADING_INDICATOR = "visiblePageIsLoading"; + + class Toolbar { + #wasLocalized = false; + + constructor(options, eventBus, l10n) { + this.toolbar = options.container; + this.eventBus = eventBus; + this.l10n = l10n; + this.buttons = [{ + element: options.previous, + eventName: "previouspage" + }, { + element: options.next, + eventName: "nextpage" + }, { + element: options.zoomIn, + eventName: "zoomin" + }, { + element: options.zoomOut, + eventName: "zoomout" + }, { + element: options.print, + eventName: "print" + }, { + element: options.download, + eventName: "download" + }, { + element: options.editorFreeTextButton, + eventName: "switchannotationeditormode", + eventDetails: { + get mode() { + const { + classList + } = options.editorFreeTextButton; + return classList.contains("toggled") ? _pdfjsLib.AnnotationEditorType.NONE : _pdfjsLib.AnnotationEditorType.FREETEXT; + } + } + }, { + element: options.editorInkButton, + eventName: "switchannotationeditormode", + eventDetails: { + get mode() { + const { + classList + } = options.editorInkButton; + return classList.contains("toggled") ? _pdfjsLib.AnnotationEditorType.NONE : _pdfjsLib.AnnotationEditorType.INK; + } + } + }, { + element: options.editorStampButton, + eventName: "switchannotationeditormode", + eventDetails: { + get mode() { + const { + classList + } = options.editorStampButton; + return classList.contains("toggled") ? _pdfjsLib.AnnotationEditorType.NONE : _pdfjsLib.AnnotationEditorType.STAMP; + } + } + }]; + this.buttons.push({ + element: options.openFile, + eventName: "openfile" + }); + this.items = { + numPages: options.numPages, + pageNumber: options.pageNumber, + scaleSelect: options.scaleSelect, + customScaleOption: options.customScaleOption, + previous: options.previous, + next: options.next, + zoomIn: options.zoomIn, + zoomOut: options.zoomOut + }; + this.#bindListeners(options); + this.reset(); + } + + setPageNumber(pageNumber, pageLabel) { + this.pageNumber = pageNumber; + this.pageLabel = pageLabel; + this.#updateUIState(false); + } + + setPagesCount(pagesCount, hasPageLabels) { + this.pagesCount = pagesCount; + this.hasPageLabels = hasPageLabels; + this.#updateUIState(true); + } + + setPageScale(pageScaleValue, pageScale) { + this.pageScaleValue = (pageScaleValue || pageScale).toString(); + this.pageScale = pageScale; + this.#updateUIState(false); + } + + reset() { + this.pageNumber = 0; + this.pageLabel = null; + this.hasPageLabels = false; + this.pagesCount = 0; + this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE; + this.pageScale = _ui_utils.DEFAULT_SCALE; + this.#updateUIState(true); + this.updateLoadingIndicatorState(); + this.eventBus.dispatch("toolbarreset", { + source: this + }); + } + + #bindListeners(options) { + const { + pageNumber, + scaleSelect + } = this.items; + const self = this; + for (const { + element, + eventName, + eventDetails + } of this.buttons) { + element.addEventListener("click", evt => { + if (eventName !== null) { + this.eventBus.dispatch(eventName, { + source: this, + ...eventDetails + }); + } + }); + } + pageNumber.addEventListener("click", function () { + this.select(); + }); + pageNumber.addEventListener("change", function () { + self.eventBus.dispatch("pagenumberchanged", { + source: self, + value: this.value + }); + }); + scaleSelect.addEventListener("change", function () { + if (this.value === "custom") { + return; + } + self.eventBus.dispatch("scalechanged", { + source: self, + value: this.value + }); + }); + scaleSelect.addEventListener("click", function (evt) { + const target = evt.target; + if (this.value === self.pageScaleValue && target.tagName.toUpperCase() === "OPTION") { + this.blur(); + } + }); + scaleSelect.oncontextmenu = _pdfjsLib.noContextMenu; + this.eventBus._on("localized", () => { + this.#wasLocalized = true; + this.#adjustScaleWidth(); + this.#updateUIState(true); + }); + this.#bindEditorToolsListener(options); + } + + #bindEditorToolsListener({ + editorFreeTextButton, + editorFreeTextParamsToolbar, + editorInkButton, + editorInkParamsToolbar, + editorStampButton, + editorStampParamsToolbar + }) { + const editorModeChanged = ({ + mode + }) => { + (0, _ui_utils.toggleCheckedBtn)(editorFreeTextButton, mode === _pdfjsLib.AnnotationEditorType.FREETEXT, editorFreeTextParamsToolbar); + (0, _ui_utils.toggleCheckedBtn)(editorInkButton, mode === _pdfjsLib.AnnotationEditorType.INK, editorInkParamsToolbar); + (0, _ui_utils.toggleCheckedBtn)(editorStampButton, mode === _pdfjsLib.AnnotationEditorType.STAMP, editorStampParamsToolbar); + const isDisable = mode === _pdfjsLib.AnnotationEditorType.DISABLE; + editorFreeTextButton.disabled = isDisable; + editorInkButton.disabled = isDisable; + editorStampButton.disabled = isDisable; + }; + this.eventBus._on("annotationeditormodechanged", editorModeChanged); + this.eventBus._on("toolbarreset", evt => { + if (evt.source === this) { + editorModeChanged({ + mode: _pdfjsLib.AnnotationEditorType.DISABLE + }); + } + }); + } + + #updateUIState(resetNumPages = false) { + if (!this.#wasLocalized) { + return; + } + const { + pageNumber, + pagesCount, + pageScaleValue, + pageScale, + items + } = this; + if (resetNumPages) { + if (this.hasPageLabels) { + items.pageNumber.type = "text"; + } else { + items.pageNumber.type = "number"; + this.l10n.get("of_pages", { + pagesCount + }).then(msg => { + items.numPages.textContent = msg; + }); + } + items.pageNumber.max = pagesCount; + } + if (this.hasPageLabels) { + items.pageNumber.value = this.pageLabel; + this.l10n.get("page_of_pages", { + pageNumber, + pagesCount + }).then(msg => { + items.numPages.textContent = msg; + }); + } else { + items.pageNumber.value = pageNumber; + } + items.previous.disabled = pageNumber <= 1; + items.next.disabled = pageNumber >= pagesCount; + items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE; + items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE; + this.l10n.get("page_scale_percent", { + scale: Math.round(pageScale * 10000) / 100 + }).then(msg => { + let predefinedValueFound = false; + for (const option of items.scaleSelect.options) { + if (option.value !== pageScaleValue) { + option.selected = false; + continue; + } + option.selected = true; + predefinedValueFound = true; + } + if (!predefinedValueFound) { + items.customScaleOption.textContent = msg; + items.customScaleOption.selected = true; + } + }); + } + + updateLoadingIndicatorState(loading = false) { + const { + pageNumber + } = this.items; + pageNumber.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading); + } + + async #adjustScaleWidth() { + const { + items, + l10n + } = this; + const predefinedValuesPromise = Promise.all([l10n.get("page_scale_auto"), l10n.get("page_scale_actual"), l10n.get("page_scale_fit"), l10n.get("page_scale_width")]); + await _ui_utils.animationStarted; + const style = getComputedStyle(items.scaleSelect); + const scaleSelectWidth = parseFloat(style.getPropertyValue("--scale-select-width")); + const canvas = document.createElement("canvas"); + const ctx = canvas.getContext("2d", { + alpha: false + }); + ctx.font = `${style.fontSize} ${style.fontFamily}`; + let maxWidth = 0; + for (const predefinedValue of await predefinedValuesPromise) { + const { + width + } = ctx.measureText(predefinedValue); + if (width > maxWidth) { + maxWidth = width; + } + } + maxWidth += 0.3 * scaleSelectWidth; + if (maxWidth > scaleSelectWidth) { + const container = items.scaleSelect.parentNode; + container.style.setProperty("--scale-select-width", `${maxWidth}px`); + } + canvas.width = 0; + canvas.height = 0; + } + } + + exports.Toolbar = Toolbar; + + /***/ + }), + /* 41 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.ViewHistory = void 0; + const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20; + + class ViewHistory { + constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) { + this.fingerprint = fingerprint; + this.cacheSize = cacheSize; + this._initializedPromise = this._readFromStorage().then(databaseStr => { + const database = JSON.parse(databaseStr || "{}"); + let index = -1; + if (!Array.isArray(database.files)) { + database.files = []; + } else { + while (database.files.length >= this.cacheSize) { + database.files.shift(); + } + for (let i = 0, ii = database.files.length; i < ii; i++) { + const branch = database.files[i]; + if (branch.fingerprint === this.fingerprint) { + index = i; + break; + } + } + } + if (index === -1) { + index = database.files.push({ + fingerprint: this.fingerprint + }) - 1; + } + this.file = database.files[index]; + this.database = database; + }); + } + + async _writeToStorage() { + const databaseStr = JSON.stringify(this.database); + localStorage.setItem("pdfjs.history", databaseStr); + } + + async _readFromStorage() { + return localStorage.getItem("pdfjs.history"); + } + + async set(name, val) { + await this._initializedPromise; + this.file[name] = val; + return this._writeToStorage(); + } + + async setMultiple(properties) { + await this._initializedPromise; + for (const name in properties) { + this.file[name] = properties[name]; + } + return this._writeToStorage(); + } + + async get(name, defaultValue) { + await this._initializedPromise; + const val = this.file[name]; + return val !== undefined ? val : defaultValue; + } + + async getMultiple(properties) { + await this._initializedPromise; + const values = Object.create(null); + for (const name in properties) { + const val = this.file[name]; + values[name] = val !== undefined ? val : properties[name]; + } + return values; + } + } + + exports.ViewHistory = ViewHistory; + + /***/ + }), + /* 42 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.BasePreferences = void 0; + var _app_options = __webpack_require__(5); + + class BasePreferences { + #defaults = Object.freeze({ + "annotationEditorMode": 0, + "annotationMode": 2, + "cursorToolOnLoad": 0, + "defaultZoomDelay": 400, + "defaultZoomValue": "", + "disablePageLabels": false, + "enablePermissions": false, + "enablePrintAutoRotate": true, + "enableScripting": true, + "enableStampEditor": true, + "externalLinkTarget": 0, + "historyUpdateUrl": false, + "ignoreDestinationZoom": false, + "forcePageColors": false, + "pageColorsBackground": "Canvas", + "pageColorsForeground": "CanvasText", + "pdfBugEnabled": false, + "sidebarViewOnLoad": -1, + "scrollModeOnLoad": -1, + "spreadModeOnLoad": -1, + "textLayerMode": 1, + "viewerCssTheme": 0, + "viewOnLoad": 0, + "disableAutoFetch": false, + "disableFontFace": false, + "disableRange": false, + "disableStream": false, + "enableXfa": true + }); + #prefs = Object.create(null); + #initializedPromise = null; + + constructor() { + if (this.constructor === BasePreferences) { + throw new Error("Cannot initialize BasePreferences."); + } + this.#initializedPromise = this._readFromStorage(this.#defaults).then(prefs => { + for (const name in this.#defaults) { + const prefValue = prefs?.[name]; + if (typeof prefValue === typeof this.#defaults[name]) { + this.#prefs[name] = prefValue; + } + } + }); + } + + async _writeToStorage(prefObj) { + throw new Error("Not implemented: _writeToStorage"); + } + + async _readFromStorage(prefObj) { + throw new Error("Not implemented: _readFromStorage"); + } + + async reset() { + await this.#initializedPromise; + const prefs = this.#prefs; + this.#prefs = Object.create(null); + return this._writeToStorage(this.#defaults).catch(reason => { + this.#prefs = prefs; + throw reason; + }); + } + + async set(name, value) { + await this.#initializedPromise; + const defaultValue = this.#defaults[name], + prefs = this.#prefs; + if (defaultValue === undefined) { + throw new Error(`Set preference: "${name}" is undefined.`); + } else if (value === undefined) { + throw new Error("Set preference: no value is specified."); + } + const valueType = typeof value, + defaultType = typeof defaultValue; + if (valueType !== defaultType) { + if (valueType === "number" && defaultType === "string") { + value = value.toString(); + } else { + throw new Error(`Set preference: "${value}" is a ${valueType}, expected a ${defaultType}.`); + } + } else if (valueType === "number" && !Number.isInteger(value)) { + throw new Error(`Set preference: "${value}" must be an integer.`); + } + this.#prefs[name] = value; + return this._writeToStorage(this.#prefs).catch(reason => { + this.#prefs = prefs; + throw reason; + }); + } + + async get(name) { + await this.#initializedPromise; + const defaultValue = this.#defaults[name]; + if (defaultValue === undefined) { + throw new Error(`Get preference: "${name}" is undefined.`); + } + return this.#prefs[name] ?? defaultValue; + } + + async getAll() { + await this.#initializedPromise; + const obj = Object.create(null); + for (const name in this.#defaults) { + obj[name] = this.#prefs[name] ?? this.#defaults[name]; + } + return obj; + } + } + + exports.BasePreferences = BasePreferences; + + /***/ + }), + /* 43 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.DownloadManager = void 0; + var _pdfjsLib = __webpack_require__(4); + ; + + function download(blobUrl, filename) { + const a = document.createElement("a"); + if (!a.click) { + throw new Error('DownloadManager: "a.click()" is not supported.'); + } + a.href = blobUrl; + a.target = "_parent"; + if ("download" in a) { + a.download = filename; + } + (document.body || document.documentElement).append(a); + a.click(); + a.remove(); + } + + class DownloadManager { + #openBlobUrls = new WeakMap(); + + downloadUrl(url, filename, _options) { + if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, "http://example.com")) { + console.error(`downloadUrl - not a valid URL: ${url}`); + return; + } + download(url + "#pdfjs.action=download", filename); + } + + downloadData(data, filename, contentType) { + const blobUrl = URL.createObjectURL(new Blob([data], { + type: contentType + })); + download(blobUrl, filename); + } + + openOrDownloadData(element, data, filename) { + const isPdfData = (0, _pdfjsLib.isPdfFile)(filename); + const contentType = isPdfData ? "application/pdf" : ""; + if (isPdfData) { + let blobUrl = this.#openBlobUrls.get(element); + if (!blobUrl) { + blobUrl = URL.createObjectURL(new Blob([data], { + type: contentType + })); + this.#openBlobUrls.set(element, blobUrl); + } + let viewerUrl; + viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename); + try { + window.open(viewerUrl); + return true; + } catch (ex) { + console.error(`openOrDownloadData: ${ex}`); + URL.revokeObjectURL(blobUrl); + this.#openBlobUrls.delete(element); + } + } + this.downloadData(data, filename, contentType); + return false; + } + + download(blob, url, filename, _options) { + const blobUrl = URL.createObjectURL(blob); + download(blobUrl, filename); + } + } + + exports.DownloadManager = DownloadManager; + + /***/ + }), + /* 44 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.GenericL10n = void 0; + __webpack_require__(45); + var _l10n_utils = __webpack_require__(30); + const PARTIAL_LANG_CODES = { + en: "en-US", + es: "es-ES", + fy: "fy-NL", + ga: "ga-IE", + gu: "gu-IN", + hi: "hi-IN", + hy: "hy-AM", + nb: "nb-NO", + ne: "ne-NP", + nn: "nn-NO", + pa: "pa-IN", + pt: "pt-PT", + sv: "sv-SE", + zh: "zh-CN" + }; + + function fixupLangCode(langCode) { + return PARTIAL_LANG_CODES[langCode?.toLowerCase()] || langCode; + } + + class GenericL10n { + constructor(lang) { + const { + webL10n + } = document; + this._lang = lang; + this._ready = new Promise((resolve, reject) => { + webL10n.setLanguage(fixupLangCode(lang), () => { + resolve(webL10n); + }); + }); + } + + async getLanguage() { + const l10n = await this._ready; + return l10n.getLanguage(); + } + + async getDirection() { + const l10n = await this._ready; + return l10n.getDirection(); + } + + async get(key, args = null, fallback = (0, _l10n_utils.getL10nFallback)(key, args)) { + const l10n = await this._ready; + return l10n.get(key, args, fallback); + } + + async translate(element) { + const l10n = await this._ready; + return l10n.translate(element); + } + } + + exports.GenericL10n = GenericL10n; + + /***/ + }), + /* 45 */ + /***/ (() => { + + + document.webL10n = function (window, document) { + var gL10nData = {}; + var gTextData = ''; + var gTextProp = 'textContent'; + var gLanguage = ''; + var gMacros = {}; + var gReadyState = 'loading'; + var gAsyncResourceLoading = true; + + function getL10nResourceLinks() { + return document.querySelectorAll('link[type="application/l10n"]'); + } + + function getL10nDictionary() { + var script = document.querySelector('script[type="application/l10n"]'); + return script ? JSON.parse(script.innerHTML) : null; + } + + function getTranslatableChildren(element) { + return element ? element.querySelectorAll('*[data-l10n-id]') : []; + } + + function getL10nAttributes(element) { + if (!element) return {}; + var l10nId = element.getAttribute('data-l10n-id'); + var l10nArgs = element.getAttribute('data-l10n-args'); + var args = {}; + if (l10nArgs) { + try { + args = JSON.parse(l10nArgs); + } catch (e) { + console.warn('could not parse arguments for #' + l10nId); + } + } + return { + id: l10nId, + args: args + }; + } + + function xhrLoadText(url, onSuccess, onFailure) { + onSuccess = onSuccess || function _onSuccess(data) { + }; + onFailure = onFailure || function _onFailure() { + }; + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, gAsyncResourceLoading); + if (xhr.overrideMimeType) { + xhr.overrideMimeType('text/plain; charset=utf-8'); + } + xhr.onreadystatechange = function () { + if (xhr.readyState == 4) { + if (xhr.status == 200 || xhr.status === 0) { + onSuccess(xhr.responseText); + } else { + onFailure(); + } + } + }; + xhr.onerror = onFailure; + xhr.ontimeout = onFailure; + try { + xhr.send(null); + } catch (e) { + onFailure(); + } + } + + function parseResource(href, lang, successCallback, failureCallback) { + var baseURL = href.replace(/[^\/]*$/, '') || './'; + + function evalString(text) { + if (text.lastIndexOf('\\') < 0) return text; + return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'"); + } + + function parseProperties(text, parsedPropertiesCallback) { + var dictionary = {}; + var reBlank = /^\s*|\s*$/; + var reComment = /^\s*#|^\s*$/; + var reSection = /^\s*\[(.*)\]\s*$/; + var reImport = /^\s*@import\s+url\((.*)\)\s*$/i; + var reSplit = /^([^=\s]*)\s*=\s*(.+)$/; + + function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) { + var entries = rawText.replace(reBlank, '').split(/[\r\n]+/); + var currentLang = '*'; + var genericLang = lang.split('-', 1)[0]; + var skipLang = false; + var match = ''; + + function nextEntry() { + while (true) { + if (!entries.length) { + parsedRawLinesCallback(); + return; + } + var line = entries.shift(); + if (reComment.test(line)) continue; + if (extendedSyntax) { + match = reSection.exec(line); + if (match) { + currentLang = match[1].toLowerCase(); + skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang; + continue; + } else if (skipLang) { + continue; + } + match = reImport.exec(line); + if (match) { + loadImport(baseURL + match[1], nextEntry); + return; + } + } + var tmp = line.match(reSplit); + if (tmp && tmp.length == 3) { + dictionary[tmp[1]] = evalString(tmp[2]); + } + } + } + + nextEntry(); + } + + function loadImport(url, callback) { + xhrLoadText(url, function (content) { + parseRawLines(content, false, callback); + }, function () { + console.warn(url + ' not found.'); + callback(); + }); + } + + parseRawLines(text, true, function () { + parsedPropertiesCallback(dictionary); + }); + } + + xhrLoadText(href, function (response) { + gTextData += response; + parseProperties(response, function (data) { + for (var key in data) { + var id, + prop, + index = key.lastIndexOf('.'); + if (index > 0) { + id = key.substring(0, index); + prop = key.substring(index + 1); + } else { + id = key; + prop = gTextProp; + } + if (!gL10nData[id]) { + gL10nData[id] = {}; + } + gL10nData[id][prop] = data[key]; + } + if (successCallback) { + successCallback(); + } + }); + }, failureCallback); + } + + function loadLocale(lang, callback) { + if (lang) { + lang = lang.toLowerCase(); + } + callback = callback || function _callback() { + }; + clear(); + gLanguage = lang; + var langLinks = getL10nResourceLinks(); + var langCount = langLinks.length; + if (langCount === 0) { + var dict = getL10nDictionary(); + if (dict && dict.locales && dict.default_locale) { + console.log('using the embedded JSON directory, early way out'); + gL10nData = dict.locales[lang]; + if (!gL10nData) { + var defaultLocale = dict.default_locale.toLowerCase(); + for (var anyCaseLang in dict.locales) { + anyCaseLang = anyCaseLang.toLowerCase(); + if (anyCaseLang === lang) { + gL10nData = dict.locales[lang]; + break; + } else if (anyCaseLang === defaultLocale) { + gL10nData = dict.locales[defaultLocale]; + } + } + } + callback(); + } else { + console.log('no resource to load, early way out'); + } + gReadyState = 'complete'; + return; + } + var onResourceLoaded = null; + var gResourceCount = 0; + onResourceLoaded = function () { + gResourceCount++; + if (gResourceCount >= langCount) { + callback(); + gReadyState = 'complete'; + } + }; + + function L10nResourceLink(link) { + var href = link.href; + this.load = function (lang, callback) { + parseResource(href, lang, callback, function () { + console.warn(href + ' not found.'); + console.warn('"' + lang + '" resource not found'); + gLanguage = ''; + callback(); + }); + }; + } + + for (var i = 0; i < langCount; i++) { + var resource = new L10nResourceLink(langLinks[i]); + resource.load(lang, onResourceLoaded); + } + } + + function clear() { + gL10nData = {}; + gTextData = ''; + gLanguage = ''; + } + + function getPluralRules(lang) { + var locales2rules = { + 'af': 3, + 'ak': 4, + 'am': 4, + 'ar': 1, + 'asa': 3, + 'az': 0, + 'be': 11, + 'bem': 3, + 'bez': 3, + 'bg': 3, + 'bh': 4, + 'bm': 0, + 'bn': 3, + 'bo': 0, + 'br': 20, + 'brx': 3, + 'bs': 11, + 'ca': 3, + 'cgg': 3, + 'chr': 3, + 'cs': 12, + 'cy': 17, + 'da': 3, + 'de': 3, + 'dv': 3, + 'dz': 0, + 'ee': 3, + 'el': 3, + 'en': 3, + 'eo': 3, + 'es': 3, + 'et': 3, + 'eu': 3, + 'fa': 0, + 'ff': 5, + 'fi': 3, + 'fil': 4, + 'fo': 3, + 'fr': 5, + 'fur': 3, + 'fy': 3, + 'ga': 8, + 'gd': 24, + 'gl': 3, + 'gsw': 3, + 'gu': 3, + 'guw': 4, + 'gv': 23, + 'ha': 3, + 'haw': 3, + 'he': 2, + 'hi': 4, + 'hr': 11, + 'hu': 0, + 'id': 0, + 'ig': 0, + 'ii': 0, + 'is': 3, + 'it': 3, + 'iu': 7, + 'ja': 0, + 'jmc': 3, + 'jv': 0, + 'ka': 0, + 'kab': 5, + 'kaj': 3, + 'kcg': 3, + 'kde': 0, + 'kea': 0, + 'kk': 3, + 'kl': 3, + 'km': 0, + 'kn': 0, + 'ko': 0, + 'ksb': 3, + 'ksh': 21, + 'ku': 3, + 'kw': 7, + 'lag': 18, + 'lb': 3, + 'lg': 3, + 'ln': 4, + 'lo': 0, + 'lt': 10, + 'lv': 6, + 'mas': 3, + 'mg': 4, + 'mk': 16, + 'ml': 3, + 'mn': 3, + 'mo': 9, + 'mr': 3, + 'ms': 0, + 'mt': 15, + 'my': 0, + 'nah': 3, + 'naq': 7, + 'nb': 3, + 'nd': 3, + 'ne': 3, + 'nl': 3, + 'nn': 3, + 'no': 3, + 'nr': 3, + 'nso': 4, + 'ny': 3, + 'nyn': 3, + 'om': 3, + 'or': 3, + 'pa': 3, + 'pap': 3, + 'pl': 13, + 'ps': 3, + 'pt': 3, + 'rm': 3, + 'ro': 9, + 'rof': 3, + 'ru': 11, + 'rwk': 3, + 'sah': 0, + 'saq': 3, + 'se': 7, + 'seh': 3, + 'ses': 0, + 'sg': 0, + 'sh': 11, + 'shi': 19, + 'sk': 12, + 'sl': 14, + 'sma': 7, + 'smi': 7, + 'smj': 7, + 'smn': 7, + 'sms': 7, + 'sn': 3, + 'so': 3, + 'sq': 3, + 'sr': 11, + 'ss': 3, + 'ssy': 3, + 'st': 3, + 'sv': 3, + 'sw': 3, + 'syr': 3, + 'ta': 3, + 'te': 3, + 'teo': 3, + 'th': 0, + 'ti': 4, + 'tig': 3, + 'tk': 3, + 'tl': 4, + 'tn': 3, + 'to': 0, + 'tr': 0, + 'ts': 3, + 'tzm': 22, + 'uk': 11, + 'ur': 3, + 've': 3, + 'vi': 0, + 'vun': 3, + 'wa': 4, + 'wae': 3, + 'wo': 0, + 'xh': 3, + 'xog': 3, + 'yo': 0, + 'zh': 0, + 'zu': 3 + }; + + function isIn(n, list) { + return list.indexOf(n) !== -1; + } + + function isBetween(n, start, end) { + return start <= n && n <= end; + } + + var pluralRules = { + '0': function (n) { + return 'other'; + }, + '1': function (n) { + if (isBetween(n % 100, 3, 10)) return 'few'; + if (n === 0) return 'zero'; + if (isBetween(n % 100, 11, 99)) return 'many'; + if (n == 2) return 'two'; + if (n == 1) return 'one'; + return 'other'; + }, + '2': function (n) { + if (n !== 0 && n % 10 === 0) return 'many'; + if (n == 2) return 'two'; + if (n == 1) return 'one'; + return 'other'; + }, + '3': function (n) { + if (n == 1) return 'one'; + return 'other'; + }, + '4': function (n) { + if (isBetween(n, 0, 1)) return 'one'; + return 'other'; + }, + '5': function (n) { + if (isBetween(n, 0, 2) && n != 2) return 'one'; + return 'other'; + }, + '6': function (n) { + if (n === 0) return 'zero'; + if (n % 10 == 1 && n % 100 != 11) return 'one'; + return 'other'; + }, + '7': function (n) { + if (n == 2) return 'two'; + if (n == 1) return 'one'; + return 'other'; + }, + '8': function (n) { + if (isBetween(n, 3, 6)) return 'few'; + if (isBetween(n, 7, 10)) return 'many'; + if (n == 2) return 'two'; + if (n == 1) return 'one'; + return 'other'; + }, + '9': function (n) { + if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few'; + if (n == 1) return 'one'; + return 'other'; + }, + '10': function (n) { + if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few'; + if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one'; + return 'other'; + }, + '11': function (n) { + if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few'; + if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many'; + if (n % 10 == 1 && n % 100 != 11) return 'one'; + return 'other'; + }, + '12': function (n) { + if (isBetween(n, 2, 4)) return 'few'; + if (n == 1) return 'one'; + return 'other'; + }, + '13': function (n) { + if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few'; + if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many'; + if (n == 1) return 'one'; + return 'other'; + }, + '14': function (n) { + if (isBetween(n % 100, 3, 4)) return 'few'; + if (n % 100 == 2) return 'two'; + if (n % 100 == 1) return 'one'; + return 'other'; + }, + '15': function (n) { + if (n === 0 || isBetween(n % 100, 2, 10)) return 'few'; + if (isBetween(n % 100, 11, 19)) return 'many'; + if (n == 1) return 'one'; + return 'other'; + }, + '16': function (n) { + if (n % 10 == 1 && n != 11) return 'one'; + return 'other'; + }, + '17': function (n) { + if (n == 3) return 'few'; + if (n === 0) return 'zero'; + if (n == 6) return 'many'; + if (n == 2) return 'two'; + if (n == 1) return 'one'; + return 'other'; + }, + '18': function (n) { + if (n === 0) return 'zero'; + if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one'; + return 'other'; + }, + '19': function (n) { + if (isBetween(n, 2, 10)) return 'few'; + if (isBetween(n, 0, 1)) return 'one'; + return 'other'; + }, + '20': function (n) { + if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few'; + if (n % 1000000 === 0 && n !== 0) return 'many'; + if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two'; + if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one'; + return 'other'; + }, + '21': function (n) { + if (n === 0) return 'zero'; + if (n == 1) return 'one'; + return 'other'; + }, + '22': function (n) { + if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one'; + return 'other'; + }, + '23': function (n) { + if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one'; + return 'other'; + }, + '24': function (n) { + if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few'; + if (isIn(n, [2, 12])) return 'two'; + if (isIn(n, [1, 11])) return 'one'; + return 'other'; + } + }; + var index = locales2rules[lang.replace(/-.*$/, '')]; + if (!(index in pluralRules)) { + console.warn('plural form unknown for [' + lang + ']'); + return function () { + return 'other'; + }; + } + return pluralRules[index]; + } + + gMacros.plural = function (str, param, key, prop) { + var n = parseFloat(param); + if (isNaN(n)) return str; + if (prop != gTextProp) return str; + if (!gMacros._pluralRules) { + gMacros._pluralRules = getPluralRules(gLanguage); + } + var index = '[' + gMacros._pluralRules(n) + ']'; + if (n === 0 && key + '[zero]' in gL10nData) { + str = gL10nData[key + '[zero]'][prop]; + } else if (n == 1 && key + '[one]' in gL10nData) { + str = gL10nData[key + '[one]'][prop]; + } else if (n == 2 && key + '[two]' in gL10nData) { + str = gL10nData[key + '[two]'][prop]; + } else if (key + index in gL10nData) { + str = gL10nData[key + index][prop]; + } else if (key + '[other]' in gL10nData) { + str = gL10nData[key + '[other]'][prop]; + } + return str; + }; + + function getL10nData(key, args, fallback) { + var data = gL10nData[key]; + if (!data) { + console.warn('#' + key + ' is undefined.'); + if (!fallback) { + return null; + } + data = fallback; + } + var rv = {}; + for (var prop in data) { + var str = data[prop]; + str = substIndexes(str, args, key, prop); + str = substArguments(str, args, key); + rv[prop] = str; + } + return rv; + } + + function substIndexes(str, args, key, prop) { + var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/; + var reMatch = reIndex.exec(str); + if (!reMatch || !reMatch.length) return str; + var macroName = reMatch[1]; + var paramName = reMatch[2]; + var param; + if (args && paramName in args) { + param = args[paramName]; + } else if (paramName in gL10nData) { + param = gL10nData[paramName]; + } + if (macroName in gMacros) { + var macro = gMacros[macroName]; + str = macro(str, param, key, prop); + } + return str; + } + + function substArguments(str, args, key) { + var reArgs = /\{\{\s*(.+?)\s*\}\}/g; + return str.replace(reArgs, function (matched_text, arg) { + if (args && arg in args) { + return args[arg]; + } + if (arg in gL10nData) { + return gL10nData[arg]; + } + console.log('argument {{' + arg + '}} for #' + key + ' is undefined.'); + return matched_text; + }); + } + + function translateElement(element) { + var l10n = getL10nAttributes(element); + if (!l10n.id) return; + var data = getL10nData(l10n.id, l10n.args); + if (!data) { + console.warn('#' + l10n.id + ' is undefined.'); + return; + } + if (data[gTextProp]) { + if (getChildElementCount(element) === 0) { + element[gTextProp] = data[gTextProp]; + } else { + var children = element.childNodes; + var found = false; + for (var i = 0, l = children.length; i < l; i++) { + if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) { + if (found) { + children[i].nodeValue = ''; + } else { + children[i].nodeValue = data[gTextProp]; + found = true; + } + } + } + if (!found) { + var textNode = document.createTextNode(data[gTextProp]); + element.prepend(textNode); + } + } + delete data[gTextProp]; + } + for (var k in data) { + element[k] = data[k]; + } + } + + function getChildElementCount(element) { + if (element.children) { + return element.children.length; + } + if (typeof element.childElementCount !== 'undefined') { + return element.childElementCount; + } + var count = 0; + for (var i = 0; i < element.childNodes.length; i++) { + count += element.nodeType === 1 ? 1 : 0; + } + return count; + } + + function translateFragment(element) { + element = element || document.documentElement; + var children = getTranslatableChildren(element); + var elementCount = children.length; + for (var i = 0; i < elementCount; i++) { + translateElement(children[i]); + } + translateElement(element); + } + + return { + get: function (key, args, fallbackString) { + var index = key.lastIndexOf('.'); + var prop = gTextProp; + if (index > 0) { + prop = key.substring(index + 1); + key = key.substring(0, index); + } + var fallback; + if (fallbackString) { + fallback = {}; + fallback[prop] = fallbackString; + } + var data = getL10nData(key, args, fallback); + if (data && prop in data) { + return data[prop]; + } + return '{{' + key + '}}'; + }, + getData: function () { + return gL10nData; + }, + getText: function () { + return gTextData; + }, + getLanguage: function () { + return gLanguage; + }, + setLanguage: function (lang, callback) { + loadLocale(lang, function () { + if (callback) callback(); + }); + }, + getDirection: function () { + var rtlList = ['ar', 'he', 'fa', 'ps', 'ur']; + var shortCode = gLanguage.split('-', 1)[0]; + return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr'; + }, + translate: translateFragment, + getReadyState: function () { + return gReadyState; + }, + ready: function (callback) { + if (!callback) { + return; + } else if (gReadyState == 'complete' || gReadyState == 'interactive') { + window.setTimeout(function () { + callback(); + }); + } else if (document.addEventListener) { + document.addEventListener('localized', function once() { + document.removeEventListener('localized', once); + callback(); + }); + } + } + }; + }(window, document); + + /***/ + }), + /* 46 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.GenericScripting = void 0; + exports.docProperties = docProperties; + var _pdfjsLib = __webpack_require__(4); + + async function docProperties(pdfDocument) { + const url = "", + baseUrl = url.split("#")[0]; + let { + info, + metadata, + contentDispositionFilename, + contentLength + } = await pdfDocument.getMetadata(); + if (!contentLength) { + const { + length + } = await pdfDocument.getDownloadInfo(); + contentLength = length; + } + return { + ...info, + baseURL: baseUrl, + filesize: contentLength, + filename: contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(url), + metadata: metadata?.getRaw(), + authors: metadata?.get("dc:creator"), + numPages: pdfDocument.numPages, + URL: url + }; + } + + class GenericScripting { + constructor(sandboxBundleSrc) { + this._ready = (0, _pdfjsLib.loadScript)(sandboxBundleSrc, true).then(() => { + return window.pdfjsSandbox.QuickJSSandbox(); + }); + } + + async createSandbox(data) { + const sandbox = await this._ready; + sandbox.create(data); + } + + async dispatchEventInSandbox(event) { + const sandbox = await this._ready; + setTimeout(() => sandbox.dispatchEvent(event), 0); + } + + async destroySandbox() { + const sandbox = await this._ready; + sandbox.nukeSandbox(); + } + } + + exports.GenericScripting = GenericScripting; + + /***/ + }), + /* 47 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.PDFPrintService = void 0; + var _pdfjsLib = __webpack_require__(4); + var _app = __webpack_require__(2); + var _print_utils = __webpack_require__(48); + let activeService = null; + let dialog = null; + let overlayManager = null; + + function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise) { + const scratchCanvas = activeService.scratchCanvas; + const PRINT_UNITS = printResolution / _pdfjsLib.PixelsPerInch.PDF; + scratchCanvas.width = Math.floor(size.width * PRINT_UNITS); + scratchCanvas.height = Math.floor(size.height * PRINT_UNITS); + const ctx = scratchCanvas.getContext("2d"); + ctx.save(); + ctx.fillStyle = "rgb(255, 255, 255)"; + ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height); + ctx.restore(); + return Promise.all([pdfDocument.getPage(pageNumber), printAnnotationStoragePromise]).then(function ([pdfPage, printAnnotationStorage]) { + const renderContext = { + canvasContext: ctx, + transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0], + viewport: pdfPage.getViewport({ + scale: 1, + rotation: size.rotation + }), + intent: "print", + annotationMode: _pdfjsLib.AnnotationMode.ENABLE_STORAGE, + optionalContentConfigPromise, + printAnnotationStorage + }; + return pdfPage.render(renderContext).promise; + }); + } + + class PDFPrintService { + constructor(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise = null, printAnnotationStoragePromise = null, l10n) { + this.pdfDocument = pdfDocument; + this.pagesOverview = pagesOverview; + this.printContainer = printContainer; + this._printResolution = printResolution || 150; + this._optionalContentConfigPromise = optionalContentConfigPromise || pdfDocument.getOptionalContentConfig(); + this._printAnnotationStoragePromise = printAnnotationStoragePromise || Promise.resolve(); + this.l10n = l10n; + this.currentPage = -1; + this.scratchCanvas = document.createElement("canvas"); + } + + layout() { + this.throwIfInactive(); + const body = document.querySelector("body"); + body.setAttribute("data-pdfjsprinting", true); + const { + width, + height + } = this.pagesOverview[0]; + const hasEqualPageSizes = this.pagesOverview.every(size => size.width === width && size.height === height); + if (!hasEqualPageSizes) { + console.warn("Not all pages have the same size. The printed result may be incorrect!"); + } + this.pageStyleSheet = document.createElement("style"); + this.pageStyleSheet.textContent = `@page { size: ${width}pt ${height}pt;}`; + body.append(this.pageStyleSheet); + } + + destroy() { + if (activeService !== this) { + return; + } + this.printContainer.textContent = ""; + const body = document.querySelector("body"); + body.removeAttribute("data-pdfjsprinting"); + if (this.pageStyleSheet) { + this.pageStyleSheet.remove(); + this.pageStyleSheet = null; + } + this.scratchCanvas.width = this.scratchCanvas.height = 0; + this.scratchCanvas = null; + activeService = null; + ensureOverlay().then(function () { + if (overlayManager.active === dialog) { + overlayManager.close(dialog); + } + }); + } + + renderPages() { + if (this.pdfDocument.isPureXfa) { + (0, _print_utils.getXfaHtmlForPrinting)(this.printContainer, this.pdfDocument); + return Promise.resolve(); + } + const pageCount = this.pagesOverview.length; + const renderNextPage = (resolve, reject) => { + this.throwIfInactive(); + if (++this.currentPage >= pageCount) { + renderProgress(pageCount, pageCount, this.l10n); + resolve(); + return; + } + const index = this.currentPage; + renderProgress(index, pageCount, this.l10n); + renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index], this._printResolution, this._optionalContentConfigPromise, this._printAnnotationStoragePromise).then(this.useRenderedPage.bind(this)).then(function () { + renderNextPage(resolve, reject); + }, reject); + }; + return new Promise(renderNextPage); + } + + useRenderedPage() { + this.throwIfInactive(); + const img = document.createElement("img"); + const scratchCanvas = this.scratchCanvas; + if ("toBlob" in scratchCanvas) { + scratchCanvas.toBlob(function (blob) { + img.src = URL.createObjectURL(blob); + }); + } else { + img.src = scratchCanvas.toDataURL(); + } + const wrapper = document.createElement("div"); + wrapper.className = "printedPage"; + wrapper.append(img); + this.printContainer.append(wrapper); + return new Promise(function (resolve, reject) { + img.onload = resolve; + img.onerror = reject; + }); + } + + performPrint() { + this.throwIfInactive(); + return new Promise(resolve => { + setTimeout(() => { + if (!this.active) { + resolve(); + return; + } + print.call(window); + setTimeout(resolve, 20); + }, 0); + }); + } + + get active() { + return this === activeService; + } + + throwIfInactive() { + if (!this.active) { + throw new Error("This print request was cancelled or completed."); + } + } + } + + exports.PDFPrintService = PDFPrintService; + const print = window.print; + window.print = function () { + if (activeService) { + console.warn("Ignored window.print() because of a pending print job."); + return; + } + ensureOverlay().then(function () { + if (activeService) { + overlayManager.open(dialog); + } + }); + try { + dispatchEvent("beforeprint"); + } finally { + if (!activeService) { + console.error("Expected print service to be initialized."); + ensureOverlay().then(function () { + if (overlayManager.active === dialog) { + overlayManager.close(dialog); + } + }); + return; + } + const activeServiceOnEntry = activeService; + activeService.renderPages().then(function () { + return activeServiceOnEntry.performPrint(); + }).catch(function () { + }).then(function () { + if (activeServiceOnEntry.active) { + abort(); + } + }); + } + }; + + function dispatchEvent(eventType) { + const event = new CustomEvent(eventType, { + bubbles: false, + cancelable: false, + detail: "custom" + }); + window.dispatchEvent(event); + } + + function abort() { + if (activeService) { + activeService.destroy(); + dispatchEvent("afterprint"); + } + } + + function renderProgress(index, total, l10n) { + dialog ||= document.getElementById("printServiceDialog"); + const progress = Math.round(100 * index / total); + const progressBar = dialog.querySelector("progress"); + const progressPerc = dialog.querySelector(".relative-progress"); + progressBar.value = progress; + l10n.get("print_progress_percent", { + progress + }).then(msg => { + progressPerc.textContent = msg; + }); + } + + window.addEventListener("keydown", function (event) { + if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) { + window.print(); + event.preventDefault(); + event.stopImmediatePropagation(); + } + }, true); + if ("onbeforeprint" in window) { + const stopPropagationIfNeeded = function (event) { + if (event.detail !== "custom") { + event.stopImmediatePropagation(); + } + }; + window.addEventListener("beforeprint", stopPropagationIfNeeded); + window.addEventListener("afterprint", stopPropagationIfNeeded); + } + let overlayPromise; + + function ensureOverlay() { + if (!overlayPromise) { + overlayManager = _app.PDFViewerApplication.overlayManager; + if (!overlayManager) { + throw new Error("The overlay manager has not yet been initialized."); + } + dialog ||= document.getElementById("printServiceDialog"); + overlayPromise = overlayManager.register(dialog, true); + document.getElementById("printCancel").onclick = abort; + dialog.addEventListener("close", abort); + } + return overlayPromise; + } + + _app.PDFPrintServiceFactory.instance = { + supportsPrinting: true, + createPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise, l10n) { + if (activeService) { + throw new Error("The print service is created and active."); + } + activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise, l10n); + return activeService; + } + }; + + /***/ + }), + /* 48 */ + /***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.getXfaHtmlForPrinting = getXfaHtmlForPrinting; + var _pdfjsLib = __webpack_require__(4); + var _pdf_link_service = __webpack_require__(7); + var _xfa_layer_builder = __webpack_require__(38); + + function getXfaHtmlForPrinting(printContainer, pdfDocument) { + const xfaHtml = pdfDocument.allXfaHtml; + const linkService = new _pdf_link_service.SimpleLinkService(); + const scale = Math.round(_pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100; + for (const xfaPage of xfaHtml.children) { + const page = document.createElement("div"); + page.className = "xfaPrintedPage"; + printContainer.append(page); + const builder = new _xfa_layer_builder.XfaLayerBuilder({ + pageDiv: page, + pdfPage: null, + annotationStorage: pdfDocument.annotationStorage, + linkService, + xfaHtml: xfaPage + }); + const viewport = (0, _pdfjsLib.getXfaPageViewport)(xfaPage, { + scale + }); + builder.render(viewport, "print"); + } + } + + /***/ + }) + /******/]); + /************************************************************************/ + /******/ // The module cache + /******/ + var __webpack_module_cache__ = {}; + /******/ + /******/ // The require function + /******/ + function __webpack_require__(moduleId) { + /******/ // Check if module is in cache + /******/ + var cachedModule = __webpack_module_cache__[moduleId]; + /******/ + if (cachedModule !== undefined) { + /******/ + return cachedModule.exports; + /******/ + } + /******/ // Create a new module (and put it into the cache) + /******/ + var module = __webpack_module_cache__[moduleId] = { + /******/ // no module.id needed + /******/ // no module.loaded needed + /******/ exports: {} + /******/ + }; + /******/ + /******/ // Execute the module function + /******/ + __webpack_modules__[moduleId](module, module.exports, __webpack_require__); + /******/ + /******/ // Return the exports of the module + /******/ + return module.exports; + /******/ + } + + /******/ + /************************************************************************/ + var __webpack_exports__ = {}; +// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk. + (() => { + var exports = __webpack_exports__; + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + Object.defineProperty(exports, "PDFViewerApplication", ({ + enumerable: true, + get: function () { + return _app.PDFViewerApplication; + } + })); + exports.PDFViewerApplicationConstants = void 0; + Object.defineProperty(exports, "PDFViewerApplicationOptions", ({ + enumerable: true, + get: function () { + return _app_options.AppOptions; + } + })); + __webpack_require__(1); + __webpack_require__(47); + var _ui_utils = __webpack_require__(3); + var _app_options = __webpack_require__(5); + var _pdf_link_service = __webpack_require__(7); + var _app = __webpack_require__(2); + const pdfjsVersion = '3.11.174'; + const pdfjsBuild = 'ce8716743'; + const AppConstants = { + LinkTarget: _pdf_link_service.LinkTarget, + RenderingStates: _ui_utils.RenderingStates, + ScrollMode: _ui_utils.ScrollMode, + SpreadMode: _ui_utils.SpreadMode + }; + exports.PDFViewerApplicationConstants = AppConstants; + window.PDFViewerApplication = _app.PDFViewerApplication; + window.PDFViewerApplicationConstants = AppConstants; + window.PDFViewerApplicationOptions = _app_options.AppOptions; + + function getViewerConfiguration() { + return { + appContainer: document.body, + mainContainer: document.getElementById("viewerContainer"), + viewerContainer: document.getElementById("viewer"), + toolbar: { + container: document.getElementById("toolbarViewer"), + numPages: document.getElementById("numPages"), + pageNumber: document.getElementById("pageNumber"), + scaleSelect: document.getElementById("scaleSelect"), + customScaleOption: document.getElementById("customScaleOption"), + previous: document.getElementById("previous"), + next: document.getElementById("next"), + zoomIn: document.getElementById("zoomIn"), + zoomOut: document.getElementById("zoomOut"), + viewFind: document.getElementById("viewFind"), + openFile: document.getElementById("openFile"), + print: document.getElementById("print"), + editorFreeTextButton: document.getElementById("editorFreeText"), + editorFreeTextParamsToolbar: document.getElementById("editorFreeTextParamsToolbar"), + editorInkButton: document.getElementById("editorInk"), + editorInkParamsToolbar: document.getElementById("editorInkParamsToolbar"), + editorStampButton: document.getElementById("editorStamp"), + editorStampParamsToolbar: document.getElementById("editorStampParamsToolbar"), + download: document.getElementById("download") + }, + secondaryToolbar: { + toolbar: document.getElementById("secondaryToolbar"), + toggleButton: document.getElementById("secondaryToolbarToggle"), + presentationModeButton: document.getElementById("presentationMode"), + openFileButton: document.getElementById("secondaryOpenFile"), + printButton: document.getElementById("secondaryPrint"), + downloadButton: document.getElementById("secondaryDownload"), + viewBookmarkButton: document.getElementById("viewBookmark"), + firstPageButton: document.getElementById("firstPage"), + lastPageButton: document.getElementById("lastPage"), + pageRotateCwButton: document.getElementById("pageRotateCw"), + pageRotateCcwButton: document.getElementById("pageRotateCcw"), + cursorSelectToolButton: document.getElementById("cursorSelectTool"), + cursorHandToolButton: document.getElementById("cursorHandTool"), + scrollPageButton: document.getElementById("scrollPage"), + scrollVerticalButton: document.getElementById("scrollVertical"), + scrollHorizontalButton: document.getElementById("scrollHorizontal"), + scrollWrappedButton: document.getElementById("scrollWrapped"), + spreadNoneButton: document.getElementById("spreadNone"), + spreadOddButton: document.getElementById("spreadOdd"), + spreadEvenButton: document.getElementById("spreadEven"), + documentPropertiesButton: document.getElementById("documentProperties") + }, + sidebar: { + outerContainer: document.getElementById("outerContainer"), + sidebarContainer: document.getElementById("sidebarContainer"), + toggleButton: document.getElementById("sidebarToggle"), + resizer: document.getElementById("sidebarResizer"), + thumbnailButton: document.getElementById("viewThumbnail"), + outlineButton: document.getElementById("viewOutline"), + attachmentsButton: document.getElementById("viewAttachments"), + layersButton: document.getElementById("viewLayers"), + thumbnailView: document.getElementById("thumbnailView"), + outlineView: document.getElementById("outlineView"), + attachmentsView: document.getElementById("attachmentsView"), + layersView: document.getElementById("layersView"), + outlineOptionsContainer: document.getElementById("outlineOptionsContainer"), + currentOutlineItemButton: document.getElementById("currentOutlineItem") + }, + findBar: { + bar: document.getElementById("findbar"), + toggleButton: document.getElementById("viewFind"), + findField: document.getElementById("findInput"), + highlightAllCheckbox: document.getElementById("findHighlightAll"), + caseSensitiveCheckbox: document.getElementById("findMatchCase"), + matchDiacriticsCheckbox: document.getElementById("findMatchDiacritics"), + entireWordCheckbox: document.getElementById("findEntireWord"), + findMsg: document.getElementById("findMsg"), + findResultsCount: document.getElementById("findResultsCount"), + findPreviousButton: document.getElementById("findPrevious"), + findNextButton: document.getElementById("findNext") + }, + passwordOverlay: { + dialog: document.getElementById("passwordDialog"), + label: document.getElementById("passwordText"), + input: document.getElementById("password"), + submitButton: document.getElementById("passwordSubmit"), + cancelButton: document.getElementById("passwordCancel") + }, + documentProperties: { + dialog: document.getElementById("documentPropertiesDialog"), + closeButton: document.getElementById("documentPropertiesClose"), + fields: { + fileName: document.getElementById("fileNameField"), + fileSize: document.getElementById("fileSizeField"), + title: document.getElementById("titleField"), + author: document.getElementById("authorField"), + subject: document.getElementById("subjectField"), + keywords: document.getElementById("keywordsField"), + creationDate: document.getElementById("creationDateField"), + modificationDate: document.getElementById("modificationDateField"), + creator: document.getElementById("creatorField"), + producer: document.getElementById("producerField"), + version: document.getElementById("versionField"), + pageCount: document.getElementById("pageCountField"), + pageSize: document.getElementById("pageSizeField"), + linearized: document.getElementById("linearizedField") + } + }, + altTextDialog: { + dialog: document.getElementById("altTextDialog"), + optionDescription: document.getElementById("descriptionButton"), + optionDecorative: document.getElementById("decorativeButton"), + textarea: document.getElementById("descriptionTextarea"), + cancelButton: document.getElementById("altTextCancel"), + saveButton: document.getElementById("altTextSave") + }, + annotationEditorParams: { + editorFreeTextFontSize: document.getElementById("editorFreeTextFontSize"), + editorFreeTextColor: document.getElementById("editorFreeTextColor"), + editorInkColor: document.getElementById("editorInkColor"), + editorInkThickness: document.getElementById("editorInkThickness"), + editorInkOpacity: document.getElementById("editorInkOpacity"), + editorStampAddImage: document.getElementById("editorStampAddImage") + }, + printContainer: document.getElementById("printContainer"), + openFileInput: document.getElementById("fileInput"), + debuggerScriptPath: "./debugger.js" + }; + } + + function webViewerLoad() { + const config = getViewerConfiguration(); + const event = new CustomEvent("webviewerloaded", { + bubbles: true, + cancelable: true, + detail: { + source: window + } + }); + try { + parent.document.dispatchEvent(event); + } catch (ex) { + console.error(`webviewerloaded: ${ex}`); + document.dispatchEvent(event); + } + _app.PDFViewerApplication.run(config); + } + + document.blockUnblockOnload?.(true); + if (document.readyState === "interactive" || document.readyState === "complete") { + webViewerLoad(); + } else { + document.addEventListener("DOMContentLoaded", webViewerLoad, true); + } + })(); + + /******/ +})() +; +//# sourceMappingURL=viewer.js.map \ No newline at end of file diff --git a/src/main/resources/static/pdfjs/pdf.js b/src/main/resources/static/pdfjs/pdf.js index 71bd285e..a4ebde2a 100644 --- a/src/main/resources/static/pdfjs/pdf.js +++ b/src/main/resources/static/pdfjs/pdf.js @@ -22,11 +22,13 @@ (function webpackUniversalModuleDefinition(root, factory) { if(typeof exports === 'object' && typeof module === 'object') - module.exports = factory(); + module.exports = root.pdfjsLib = factory(); else if(typeof define === 'function' && define.amd) - define("pdfjs-dist/build/pdf", [], factory); + define("pdfjs-dist/build/pdf", [], () => { + return (root.pdfjsLib = factory()); + }); else if(typeof exports === 'object') - exports["pdfjs-dist/build/pdf"] = factory(); + exports["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory(); else root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory(); })(globalThis, () => { @@ -42,18 +44,18 @@ return /******/ (() => { // webpackBootstrap Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.VerbosityLevel = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.UNSUPPORTED_FEATURES = exports.TextRenderingMode = exports.RenderingIntentFlag = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.PageActionEventType = exports.OPS = exports.MissingPDFException = exports.LINE_FACTOR = exports.LINE_DESCENT_FACTOR = exports.InvalidPDFException = exports.ImageKind = exports.IDENTITY_MATRIX = exports.FormatError = exports.FeatureTest = exports.FONT_IDENTITY_MATRIX = exports.DocumentActionEventType = exports.CMapCompressionType = exports.BaseException = exports.BASELINE_FACTOR = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMode = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationEditorType = exports.AnnotationEditorPrefix = exports.AnnotationEditorParamsType = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0; -exports.arrayByteLength = arrayByteLength; -exports.arraysToBytes = arraysToBytes; + exports.VerbosityLevel = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.RenderingIntentFlag = exports.PromiseCapability = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.PageActionEventType = exports.OPS = exports.MissingPDFException = exports.MAX_IMAGE_SIZE_TO_CACHE = exports.LINE_FACTOR = exports.LINE_DESCENT_FACTOR = exports.InvalidPDFException = exports.ImageKind = exports.IDENTITY_MATRIX = exports.FormatError = exports.FeatureTest = exports.FONT_IDENTITY_MATRIX = exports.DocumentActionEventType = exports.CMapCompressionType = exports.BaseException = exports.BASELINE_FACTOR = exports.AnnotationType = exports.AnnotationReplyType = exports.AnnotationPrefix = exports.AnnotationMode = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationEditorType = exports.AnnotationEditorPrefix = exports.AnnotationEditorParamsType = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0; exports.assert = assert; exports.bytesToString = bytesToString; -exports.createPromiseCapability = createPromiseCapability; exports.createValidAbsoluteUrl = createValidAbsoluteUrl; exports.getModificationDate = getModificationDate; + exports.getUuid = getUuid; exports.getVerbosityLevel = getVerbosityLevel; exports.info = info; exports.isArrayBuffer = isArrayBuffer; exports.isArrayEqual = isArrayEqual; + exports.isNodeJS = void 0; + exports.normalizeUnicode = normalizeUnicode; exports.objectFromMap = objectFromMap; exports.objectSize = objectSize; exports.setVerbosityLevel = setVerbosityLevel; @@ -65,11 +67,14 @@ exports.stringToUTF8String = stringToUTF8String; exports.unreachable = unreachable; exports.utf8StringToString = utf8StringToString; exports.warn = warn; -; + const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser"); + exports.isNodeJS = isNodeJS; const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; exports.IDENTITY_MATRIX = IDENTITY_MATRIX; const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; + const MAX_IMAGE_SIZE_TO_CACHE = 10e6; + exports.MAX_IMAGE_SIZE_TO_CACHE = MAX_IMAGE_SIZE_TO_CACHE; const LINE_FACTOR = 1.35; exports.LINE_FACTOR = LINE_FACTOR; const LINE_DESCENT_FACTOR = 0.35; @@ -100,16 +105,19 @@ const AnnotationEditorType = { DISABLE: -1, NONE: 0, FREETEXT: 3, + STAMP: 13, INK: 15 }; exports.AnnotationEditorType = AnnotationEditorType; const AnnotationEditorParamsType = { - FREETEXT_SIZE: 1, - FREETEXT_COLOR: 2, - FREETEXT_OPACITY: 3, - INK_COLOR: 11, - INK_THICKNESS: 12, - INK_OPACITY: 13 + RESIZE: 1, + CREATE: 2, + FREETEXT_SIZE: 11, + FREETEXT_COLOR: 12, + FREETEXT_OPACITY: 13, + INK_COLOR: 21, + INK_THICKNESS: 22, + INK_OPACITY: 23 }; exports.AnnotationEditorParamsType = AnnotationEditorParamsType; const PermissionFlag = { @@ -171,24 +179,6 @@ const AnnotationType = { REDACT: 26 }; exports.AnnotationType = AnnotationType; -const AnnotationStateModelType = { - MARKED: "Marked", - REVIEW: "Review" -}; -exports.AnnotationStateModelType = AnnotationStateModelType; -const AnnotationMarkedState = { - MARKED: "Marked", - UNMARKED: "Unmarked" -}; -exports.AnnotationMarkedState = AnnotationMarkedState; -const AnnotationReviewState = { - ACCEPTED: "Accepted", - REJECTED: "Rejected", - CANCELLED: "Cancelled", - COMPLETED: "Completed", - NONE: "None" -}; -exports.AnnotationReviewState = AnnotationReviewState; const AnnotationReplyType = { GROUP: "Group", REPLY: "R" @@ -369,29 +359,6 @@ const OPS = { constructPath: 91 }; exports.OPS = OPS; -const UNSUPPORTED_FEATURES = { - forms: "forms", - javaScript: "javaScript", - signatures: "signatures", - smask: "smask", - shadingPattern: "shadingPattern", - errorTilingPattern: "errorTilingPattern", - errorExtGState: "errorExtGState", - errorXObject: "errorXObject", - errorFontLoadType3: "errorFontLoadType3", - errorFontState: "errorFontState", - errorFontMissing: "errorFontMissing", - errorFontTranslate: "errorFontTranslate", - errorColorSpace: "errorColorSpace", - errorOperatorList: "errorOperatorList", - errorFontToUnicode: "errorFontToUnicode", - errorFontLoadNative: "errorFontLoadNative", - errorFontBuildPath: "errorFontBuildPath", - errorFontGetPath: "errorFontGetPath", - errorMarkedContent: "errorMarkedContent", - errorContentSubStream: "errorContentSubStream" -}; -exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; const PasswordResponses = { NEED_PASSWORD: 1, INCORRECT_PASSWORD: 2 @@ -425,10 +392,7 @@ function assert(cond, msg) { } } function _isValidProtocol(url) { - if (!url) { - return false; - } - switch (url.protocol) { + switch (url?.protocol) { case "http:": case "https:": case "ftp:": @@ -447,21 +411,23 @@ function createValidAbsoluteUrl(url, baseUrl = null, options = null) { if (options && typeof url === "string") { if (options.addDefaultProtocol && url.startsWith("www.")) { const dots = url.match(/\./g); - if (dots && dots.length >= 2) { + if (dots?.length >= 2) { url = `http://${url}`; } } if (options.tryConvertEncoding) { try { url = stringToUTF8String(url); - } catch (ex) {} + } catch { + } } } const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url); if (_isValidProtocol(absoluteUrl)) { return absoluteUrl; } - } catch (ex) {} + } catch { + } return null; } function shadow(obj, prop, value, nonSerializable = false) { @@ -532,7 +498,7 @@ class AbortException extends BaseException { } exports.AbortException = AbortException; function bytesToString(bytes) { - if (typeof bytes !== "object" || bytes === null || bytes.length === undefined) { + if (typeof bytes !== "object" || bytes?.length === undefined) { unreachable("Invalid argument for bytesToString"); } const length = bytes.length; @@ -559,41 +525,6 @@ function stringToBytes(str) { } return bytes; } -function arrayByteLength(arr) { - if (arr.length !== undefined) { - return arr.length; - } - if (arr.byteLength !== undefined) { - return arr.byteLength; - } - unreachable("Invalid argument for arrayByteLength"); -} -function arraysToBytes(arr) { - const length = arr.length; - if (length === 1 && arr[0] instanceof Uint8Array) { - return arr[0]; - } - let resultLength = 0; - for (let i = 0; i < length; i++) { - resultLength += arrayByteLength(arr[i]); - } - let pos = 0; - const data = new Uint8Array(resultLength); - for (let i = 0; i < length; i++) { - let item = arr[i]; - if (!(item instanceof Uint8Array)) { - if (typeof item === "string") { - item = stringToBytes(item); - } else { - item = new Uint8Array(item); - } - } - const itemLength = item.byteLength; - data.set(item, pos); - pos += itemLength; - } - return data; -} function string32(value) { return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff); } @@ -617,7 +548,7 @@ function isEvalSupported() { try { new Function(""); return true; - } catch (e) { + } catch { return false; } } @@ -643,6 +574,10 @@ class FeatureTest { isMac: navigator.platform.includes("Mac") }); } + + static get isCSSRoundSupported() { + return shadow(this, "isCSSRoundSupported", globalThis.CSS?.supports?.("width: round(1.5px, 1px)")); + } } exports.FeatureTest = FeatureTest; const hexNumbers = [...Array(256).keys()].map(n => n.toString(16).padStart(2, "0")); @@ -709,10 +644,10 @@ class Util { return [xt, yt]; } static getAxialAlignedBoundingBox(r, m) { - const p1 = Util.applyTransform(r, m); - const p2 = Util.applyTransform(r.slice(2, 4), m); - const p3 = Util.applyTransform([r[0], r[3]], m); - const p4 = Util.applyTransform([r[2], r[1]], m); + const p1 = this.applyTransform(r, m); + const p2 = this.applyTransform(r.slice(2, 4), m); + const p3 = this.applyTransform([r[0], r[3]], m); + const p4 = this.applyTransform([r[2], r[1]], m); return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])]; } static inverseTransform(m) { @@ -849,7 +784,7 @@ function utf8StringToString(str) { return unescape(encodeURIComponent(str)); } function isArrayBuffer(v) { - return typeof v === "object" && v !== null && v.byteLength !== undefined; + return typeof v === "object" && v?.byteLength !== undefined; } function isArrayEqual(arr1, arr2) { if (arr1.length !== arr2.length) { @@ -866,26 +801,59 @@ function getModificationDate(date = new Date()) { const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), date.getUTCDate().toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")]; return buffer.join(""); } -function createPromiseCapability() { - const capability = Object.create(null); - let isSettled = false; - Object.defineProperty(capability, "settled", { - get() { - return isSettled; - } - }); - capability.promise = new Promise(function (resolve, reject) { - capability.resolve = function (data) { - isSettled = true; - resolve(data); - }; - capability.reject = function (reason) { - isSettled = true; - reject(reason); - }; - }); - return capability; -} + + class PromiseCapability { + #settled = false; + + constructor() { + this.promise = new Promise((resolve, reject) => { + this.resolve = data => { + this.#settled = true; + resolve(data); + }; + this.reject = reason => { + this.#settled = true; + reject(reason); + }; + }); + } + + get settled() { + return this.#settled; + } + } + + exports.PromiseCapability = PromiseCapability; + let NormalizeRegex = null; + let NormalizationMap = null; + + function normalizeUnicode(str) { + if (!NormalizeRegex) { + NormalizeRegex = /([\u00a0\u00b5\u037e\u0eb3\u2000-\u200a\u202f\u2126\ufb00-\ufb04\ufb06\ufb20-\ufb36\ufb38-\ufb3c\ufb3e\ufb40-\ufb41\ufb43-\ufb44\ufb46-\ufba1\ufba4-\ufba9\ufbae-\ufbb1\ufbd3-\ufbdc\ufbde-\ufbe7\ufbea-\ufbf8\ufbfc-\ufbfd\ufc00-\ufc5d\ufc64-\ufcf1\ufcf5-\ufd3d\ufd88\ufdf4\ufdfa-\ufdfb\ufe71\ufe77\ufe79\ufe7b\ufe7d]+)|(\ufb05+)/gu; + NormalizationMap = new Map([["ſt", "ſt"]]); + } + return str.replaceAll(NormalizeRegex, (_, p1, p2) => { + return p1 ? p1.normalize("NFKC") : NormalizationMap.get(p2); + }); + } + + function getUuid() { + if (typeof crypto !== "undefined" && typeof crypto?.randomUUID === "function") { + return crypto.randomUUID(); + } + const buf = new Uint8Array(32); + if (typeof crypto !== "undefined" && typeof crypto?.getRandomValues === "function") { + crypto.getRandomValues(buf); + } else { + for (let i = 0; i < 32; i++) { + buf[i] = Math.floor(Math.random() * 255); + } + } + return bytesToString(buf); + } + + const AnnotationPrefix = "pdfjs_internal_id_"; + exports.AnnotationPrefix = AnnotationPrefix; /***/ }), /* 2 */ @@ -896,60 +864,43 @@ function createPromiseCapability() { Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.build = exports.RenderTask = exports.PDFWorkerUtil = exports.PDFWorker = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFDocumentLoadingTask = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.DefaultStandardFontDataFactory = exports.DefaultCanvasFactory = exports.DefaultCMapReaderFactory = void 0; + exports.RenderTask = exports.PDFWorkerUtil = exports.PDFWorker = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFDocumentLoadingTask = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.DefaultStandardFontDataFactory = exports.DefaultFilterFactory = exports.DefaultCanvasFactory = exports.DefaultCMapReaderFactory = void 0; + Object.defineProperty(exports, "SVGGraphics", ({ + enumerable: true, + get: function () { + return _displaySvg.SVGGraphics; + } + })); + exports.build = void 0; exports.getDocument = getDocument; exports.version = void 0; var _util = __w_pdfjs_require__(1); var _annotation_storage = __w_pdfjs_require__(3); var _display_utils = __w_pdfjs_require__(6); var _font_loader = __w_pdfjs_require__(9); + var _displayNode_utils = __w_pdfjs_require__(10); var _canvas = __w_pdfjs_require__(11); var _worker_options = __w_pdfjs_require__(14); -var _is_node = __w_pdfjs_require__(10); var _message_handler = __w_pdfjs_require__(15); var _metadata = __w_pdfjs_require__(16); var _optional_content_config = __w_pdfjs_require__(17); var _transport_stream = __w_pdfjs_require__(18); -var _xfa_text = __w_pdfjs_require__(19); + var _displayFetch_stream = __w_pdfjs_require__(19); + var _displayNetwork = __w_pdfjs_require__(22); + var _displayNode_stream = __w_pdfjs_require__(23); + var _displaySvg = __w_pdfjs_require__(24); + var _xfa_text = __w_pdfjs_require__(25); const DEFAULT_RANGE_CHUNK_SIZE = 65536; const RENDERING_CANCELLED_TIMEOUT = 100; -let DefaultCanvasFactory = _display_utils.DOMCanvasFactory; + const DELAYED_CLEANUP_TIMEOUT = 5000; + const DefaultCanvasFactory = _util.isNodeJS ? _displayNode_utils.NodeCanvasFactory : _display_utils.DOMCanvasFactory; exports.DefaultCanvasFactory = DefaultCanvasFactory; -let DefaultCMapReaderFactory = _display_utils.DOMCMapReaderFactory; + const DefaultCMapReaderFactory = _util.isNodeJS ? _displayNode_utils.NodeCMapReaderFactory : _display_utils.DOMCMapReaderFactory; exports.DefaultCMapReaderFactory = DefaultCMapReaderFactory; -let DefaultStandardFontDataFactory = _display_utils.DOMStandardFontDataFactory; + const DefaultFilterFactory = _util.isNodeJS ? _displayNode_utils.NodeFilterFactory : _display_utils.DOMFilterFactory; + exports.DefaultFilterFactory = DefaultFilterFactory; + const DefaultStandardFontDataFactory = _util.isNodeJS ? _displayNode_utils.NodeStandardFontDataFactory : _display_utils.DOMStandardFontDataFactory; exports.DefaultStandardFontDataFactory = DefaultStandardFontDataFactory; -if (_is_node.isNodeJS) { - const { - NodeCanvasFactory, - NodeCMapReaderFactory, - NodeStandardFontDataFactory - } = __w_pdfjs_require__(20); - exports.DefaultCanvasFactory = DefaultCanvasFactory = NodeCanvasFactory; - exports.DefaultCMapReaderFactory = DefaultCMapReaderFactory = NodeCMapReaderFactory; - exports.DefaultStandardFontDataFactory = DefaultStandardFontDataFactory = NodeStandardFontDataFactory; -} -let createPDFNetworkStream; -{ - if (_is_node.isNodeJS) { - const { - PDFNodeStream - } = __w_pdfjs_require__(21); - createPDFNetworkStream = params => { - return new PDFNodeStream(params); - }; - } else { - const { - PDFNetworkStream - } = __w_pdfjs_require__(24); - const { - PDFFetchStream - } = __w_pdfjs_require__(25); - createPDFNetworkStream = params => { - return (0, _display_utils.isValidFetchUrl)(params.url) ? new PDFFetchStream(params) : new PDFNetworkStream(params); - }; - } -} function getDocument(src) { if (typeof src === "string" || src instanceof URL) { src = { @@ -959,145 +910,143 @@ function getDocument(src) { src = { data: src }; - } else if (src instanceof PDFDataRangeTransport) { - (0, _display_utils.deprecated)("`PDFDataRangeTransport`-instance, " + "please use a parameter object with `range`-property instead."); - src = { - range: src - }; - } else { + } if (typeof src !== "object") { - throw new Error("Invalid parameter in getDocument, " + "need either string, URL, TypedArray, or parameter object."); - } + throw new Error("Invalid parameter in getDocument, need parameter object."); } if (!src.url && !src.data && !src.range) { throw new Error("Invalid parameter object: need either .data, .range or .url"); } const task = new PDFDocumentLoadingTask(); - const params = Object.create(null); - let rangeTransport = null, - worker = null; - for (const key in src) { - const val = src[key]; - switch (key) { - case "url": - if (val instanceof URL) { - params[key] = val.href; - continue; - } - try { - params[key] = new URL(val, window.location).href; - continue; - } catch (ex) { - if (_is_node.isNodeJS && typeof val === "string") { - break; - } - } - throw new Error("Invalid PDF url data: " + "either string or URL-object is expected in the url property."); - case "range": - rangeTransport = val; - continue; - case "worker": - worker = val; - continue; - case "data": - if (_is_node.isNodeJS && typeof Buffer !== "undefined" && val instanceof Buffer) { - params[key] = new Uint8Array(val); - } else if (val instanceof Uint8Array && val.byteLength === val.buffer.byteLength) { - break; - } else if (typeof val === "string") { - params[key] = (0, _util.stringToBytes)(val); - } else if (typeof val === "object" && val !== null && !isNaN(val.length) || (0, _util.isArrayBuffer)(val)) { - params[key] = new Uint8Array(val); - } else { - throw new Error("Invalid PDF binary data: either TypedArray, " + "string, or array-like object is expected in the data property."); - } - continue; - } - params[key] = val; + const { + docId + } = task; + const url = src.url ? getUrlProp(src.url) : null; + const data = src.data ? getDataProp(src.data) : null; + const httpHeaders = src.httpHeaders || null; + const withCredentials = src.withCredentials === true; + const password = src.password ?? null; + const rangeTransport = src.range instanceof PDFDataRangeTransport ? src.range : null; + const rangeChunkSize = Number.isInteger(src.rangeChunkSize) && src.rangeChunkSize > 0 ? src.rangeChunkSize : DEFAULT_RANGE_CHUNK_SIZE; + let worker = src.worker instanceof PDFWorker ? src.worker : null; + const verbosity = src.verbosity; + const docBaseUrl = typeof src.docBaseUrl === "string" && !(0, _display_utils.isDataScheme)(src.docBaseUrl) ? src.docBaseUrl : null; + const cMapUrl = typeof src.cMapUrl === "string" ? src.cMapUrl : null; + const cMapPacked = src.cMapPacked !== false; + const CMapReaderFactory = src.CMapReaderFactory || DefaultCMapReaderFactory; + const standardFontDataUrl = typeof src.standardFontDataUrl === "string" ? src.standardFontDataUrl : null; + const StandardFontDataFactory = src.StandardFontDataFactory || DefaultStandardFontDataFactory; + const ignoreErrors = src.stopAtErrors !== true; + const maxImageSize = Number.isInteger(src.maxImageSize) && src.maxImageSize > -1 ? src.maxImageSize : -1; + const isEvalSupported = src.isEvalSupported !== false; + const isOffscreenCanvasSupported = typeof src.isOffscreenCanvasSupported === "boolean" ? src.isOffscreenCanvasSupported : !_util.isNodeJS; + const canvasMaxAreaInBytes = Number.isInteger(src.canvasMaxAreaInBytes) ? src.canvasMaxAreaInBytes : -1; + const disableFontFace = typeof src.disableFontFace === "boolean" ? src.disableFontFace : _util.isNodeJS; + const fontExtraProperties = src.fontExtraProperties === true; + const enableXfa = src.enableXfa === true; + const ownerDocument = src.ownerDocument || globalThis.document; + const disableRange = src.disableRange === true; + const disableStream = src.disableStream === true; + const disableAutoFetch = src.disableAutoFetch === true; + const pdfBug = src.pdfBug === true; + const length = rangeTransport ? rangeTransport.length : src.length ?? NaN; + const useSystemFonts = typeof src.useSystemFonts === "boolean" ? src.useSystemFonts : !_util.isNodeJS && !disableFontFace; + const useWorkerFetch = typeof src.useWorkerFetch === "boolean" ? src.useWorkerFetch : CMapReaderFactory === _display_utils.DOMCMapReaderFactory && StandardFontDataFactory === _display_utils.DOMStandardFontDataFactory && cMapUrl && standardFontDataUrl && (0, _display_utils.isValidFetchUrl)(cMapUrl, document.baseURI) && (0, _display_utils.isValidFetchUrl)(standardFontDataUrl, document.baseURI); + const canvasFactory = src.canvasFactory || new DefaultCanvasFactory({ + ownerDocument + }); + const filterFactory = src.filterFactory || new DefaultFilterFactory({ + docId, + ownerDocument + }); + const styleElement = null; + (0, _util.setVerbosityLevel)(verbosity); + const transportFactory = { + canvasFactory, + filterFactory + }; + if (!useWorkerFetch) { + transportFactory.cMapReaderFactory = new CMapReaderFactory({ + baseUrl: cMapUrl, + isCompressed: cMapPacked + }); + transportFactory.standardFontDataFactory = new StandardFontDataFactory({ + baseUrl: standardFontDataUrl + }); } - params.CMapReaderFactory = params.CMapReaderFactory || DefaultCMapReaderFactory; - params.StandardFontDataFactory = params.StandardFontDataFactory || DefaultStandardFontDataFactory; - params.ignoreErrors = params.stopAtErrors !== true; - params.fontExtraProperties = params.fontExtraProperties === true; - params.pdfBug = params.pdfBug === true; - params.enableXfa = params.enableXfa === true; - if (!Number.isInteger(params.rangeChunkSize) || params.rangeChunkSize < 1) { - params.rangeChunkSize = DEFAULT_RANGE_CHUNK_SIZE; - } - if (typeof params.docBaseUrl !== "string" || (0, _display_utils.isDataScheme)(params.docBaseUrl)) { - params.docBaseUrl = null; - } - if (!Number.isInteger(params.maxImageSize) || params.maxImageSize < -1) { - params.maxImageSize = -1; - } - if (typeof params.cMapUrl !== "string") { - params.cMapUrl = null; - } - if (typeof params.standardFontDataUrl !== "string") { - params.standardFontDataUrl = null; - } - if (typeof params.useWorkerFetch !== "boolean") { - params.useWorkerFetch = params.CMapReaderFactory === _display_utils.DOMCMapReaderFactory && params.StandardFontDataFactory === _display_utils.DOMStandardFontDataFactory && (0, _display_utils.isValidFetchUrl)(params.cMapUrl, document.baseURI) && (0, _display_utils.isValidFetchUrl)(params.standardFontDataUrl, document.baseURI); - } - if (typeof params.isEvalSupported !== "boolean") { - params.isEvalSupported = true; - } - if (typeof params.isOffscreenCanvasSupported !== "boolean") { - params.isOffscreenCanvasSupported = !_is_node.isNodeJS; - } - if (typeof params.disableFontFace !== "boolean") { - params.disableFontFace = _is_node.isNodeJS; - } - if (typeof params.useSystemFonts !== "boolean") { - params.useSystemFonts = !_is_node.isNodeJS && !params.disableFontFace; - } - if (typeof params.ownerDocument !== "object" || params.ownerDocument === null) { - params.ownerDocument = globalThis.document; - } - if (typeof params.disableRange !== "boolean") { - params.disableRange = false; - } - if (typeof params.disableStream !== "boolean") { - params.disableStream = false; - } - if (typeof params.disableAutoFetch !== "boolean") { - params.disableAutoFetch = false; - } - (0, _util.setVerbosityLevel)(params.verbosity); if (!worker) { const workerParams = { - verbosity: params.verbosity, + verbosity, port: _worker_options.GlobalWorkerOptions.workerPort }; worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams); task._worker = worker; } - const docId = task.docId; + const fetchDocParams = { + docId, + apiVersion: '3.11.174', + data, + password, + disableAutoFetch, + rangeChunkSize, + length, + docBaseUrl, + enableXfa, + evaluatorOptions: { + maxImageSize, + disableFontFace, + ignoreErrors, + isEvalSupported, + isOffscreenCanvasSupported, + canvasMaxAreaInBytes, + fontExtraProperties, + useSystemFonts, + cMapUrl: useWorkerFetch ? cMapUrl : null, + standardFontDataUrl: useWorkerFetch ? standardFontDataUrl : null + } + }; + const transportParams = { + ignoreErrors, + isEvalSupported, + disableFontFace, + fontExtraProperties, + enableXfa, + ownerDocument, + disableAutoFetch, + pdfBug, + styleElement + }; worker.promise.then(function () { if (task.destroyed) { throw new Error("Loading aborted"); } - const workerIdPromise = _fetchDocument(worker, params, rangeTransport, docId); + const workerIdPromise = _fetchDocument(worker, fetchDocParams); const networkStreamPromise = new Promise(function (resolve) { let networkStream; if (rangeTransport) { networkStream = new _transport_stream.PDFDataTransportStream({ - length: params.length, - initialData: params.initialData, - progressiveDone: params.progressiveDone, - contentDispositionFilename: params.contentDispositionFilename, - disableRange: params.disableRange, - disableStream: params.disableStream + length, + initialData: rangeTransport.initialData, + progressiveDone: rangeTransport.progressiveDone, + contentDispositionFilename: rangeTransport.contentDispositionFilename, + disableRange, + disableStream }, rangeTransport); - } else if (!params.data) { + } else if (!data) { + const createPDFNetworkStream = params => { + if (_util.isNodeJS) { + return new _displayNode_stream.PDFNodeStream(params); + } + return (0, _display_utils.isValidFetchUrl)(params.url) ? new _displayFetch_stream.PDFFetchStream(params) : new _displayNetwork.PDFNetworkStream(params); + }; networkStream = createPDFNetworkStream({ - url: params.url, - length: params.length, - httpHeaders: params.httpHeaders, - withCredentials: params.withCredentials, - rangeChunkSize: params.rangeChunkSize, - disableRange: params.disableRange, - disableStream: params.disableStream + url, + length, + httpHeaders, + withCredentials, + rangeChunkSize, + disableRange, + disableStream }); } resolve(networkStream); @@ -1107,56 +1056,58 @@ function getDocument(src) { throw new Error("Loading aborted"); } const messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port); - const transport = new WorkerTransport(messageHandler, task, networkStream, params); + const transport = new WorkerTransport(messageHandler, task, networkStream, transportParams, transportFactory); task._transport = transport; messageHandler.send("Ready", null); }); }).catch(task._capability.reject); return task; } -async function _fetchDocument(worker, source, pdfDataRangeTransport, docId) { + + async function _fetchDocument(worker, source) { if (worker.destroyed) { throw new Error("Worker was destroyed"); } - if (pdfDataRangeTransport) { - source.length = pdfDataRangeTransport.length; - source.initialData = pdfDataRangeTransport.initialData; - source.progressiveDone = pdfDataRangeTransport.progressiveDone; - source.contentDispositionFilename = pdfDataRangeTransport.contentDispositionFilename; - } - const transfers = source.data ? [source.data.buffer] : null; - const workerId = await worker.messageHandler.sendWithPromise("GetDocRequest", { - docId, - apiVersion: '3.3.122', - data: source.data, - password: source.password, - disableAutoFetch: source.disableAutoFetch, - rangeChunkSize: source.rangeChunkSize, - length: source.length, - docBaseUrl: source.docBaseUrl, - enableXfa: source.enableXfa, - evaluatorOptions: { - maxImageSize: source.maxImageSize, - disableFontFace: source.disableFontFace, - ignoreErrors: source.ignoreErrors, - isEvalSupported: source.isEvalSupported, - isOffscreenCanvasSupported: source.isOffscreenCanvasSupported, - fontExtraProperties: source.fontExtraProperties, - useSystemFonts: source.useSystemFonts, - cMapUrl: source.useWorkerFetch ? source.cMapUrl : null, - standardFontDataUrl: source.useWorkerFetch ? source.standardFontDataUrl : null - } - }, transfers); + const workerId = await worker.messageHandler.sendWithPromise("GetDocRequest", source, source.data ? [source.data.buffer] : null); if (worker.destroyed) { throw new Error("Worker was destroyed"); } return workerId; } + + function getUrlProp(val) { + if (val instanceof URL) { + return val.href; + } + try { + return new URL(val, window.location).href; + } catch { + if (_util.isNodeJS && typeof val === "string") { + return val; + } + } + throw new Error("Invalid PDF url data: " + "either string or URL-object is expected in the url property."); + } + + function getDataProp(val) { + if (_util.isNodeJS && typeof Buffer !== "undefined" && val instanceof Buffer) { + throw new Error("Please provide binary data as `Uint8Array`, rather than `Buffer`."); + } + if (val instanceof Uint8Array && val.byteLength === val.buffer.byteLength) { + return val; + } + if (typeof val === "string") { + return (0, _util.stringToBytes)(val); + } + if (typeof val === "object" && !isNaN(val?.length) || (0, _util.isArrayBuffer)(val)) { + return new Uint8Array(val); + } + throw new Error("Invalid PDF binary data: either TypedArray, " + "string, or array-like object is expected in the data property."); + } class PDFDocumentLoadingTask { static #docId = 0; - #onUnsupportedFeature = null; constructor() { - this._capability = (0, _util.createPromiseCapability)(); + this._capability = new _util.PromiseCapability(); this._transport = null; this._worker = null; this.docId = `d${PDFDocumentLoadingTask.#docId++}`; @@ -1164,19 +1115,22 @@ class PDFDocumentLoadingTask { this.onPassword = null; this.onProgress = null; } - get onUnsupportedFeature() { - return this.#onUnsupportedFeature; - } - set onUnsupportedFeature(callback) { - (0, _display_utils.deprecated)("The PDFDocumentLoadingTask onUnsupportedFeature property will be removed in the future."); - this.#onUnsupportedFeature = callback; - } get promise() { return this._capability.promise; } async destroy() { this.destroyed = true; - await this._transport?.destroy(); + try { + if (this._worker?.port) { + this._worker._pendingDestroy = true; + } + await this._transport?.destroy(); + } catch (ex) { + if (this._worker?.port) { + delete this._worker._pendingDestroy; + } + throw ex; + } this._transport = null; if (this._worker) { this._worker.destroy(); @@ -1195,7 +1149,7 @@ class PDFDataRangeTransport { this._progressListeners = []; this._progressiveReadListeners = []; this._progressiveDoneListeners = []; - this._readyCapability = (0, _util.createPromiseCapability)(); + this._readyCapability = new _util.PromiseCapability(); } addRangeListener(listener) { this._rangeListeners.push(listener); @@ -1248,10 +1202,29 @@ class PDFDocumentProxy { constructor(pdfInfo, transport) { this._pdfInfo = pdfInfo; this._transport = transport; + Object.defineProperty(this, "getJavaScript", { + value: () => { + (0, _display_utils.deprecated)("`PDFDocumentProxy.getJavaScript`, " + "please use `PDFDocumentProxy.getJSActions` instead."); + return this.getJSActions().then(js => { + if (!js) { + return js; + } + const jsArr = []; + for (const name in js) { + jsArr.push(...js[name]); + } + return jsArr; + }); + } + }); } get annotationStorage() { return this._transport.annotationStorage; } + + get filterFactory() { + return this._transport.filterFactory; + } get numPages() { return this._pdfInfo.numPages; } @@ -1294,9 +1267,6 @@ class PDFDocumentProxy { getAttachments() { return this._transport.getAttachments(); } - getJavaScript() { - return this._transport.getJavaScript(); - } getJSActions() { return this._transport.getDocJSActions(); } @@ -1348,18 +1318,18 @@ class PDFDocumentProxy { } exports.PDFDocumentProxy = PDFDocumentProxy; class PDFPageProxy { - constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) { + #delayedCleanupTimeout = null; + #pendingCleanup = false; + + constructor(pageIndex, pageInfo, transport, pdfBug = false) { this._pageIndex = pageIndex; this._pageInfo = pageInfo; - this._ownerDocument = ownerDocument; this._transport = transport; this._stats = pdfBug ? new _display_utils.StatTimer() : null; this._pdfBug = pdfBug; this.commonObjs = transport.commonObjs; this.objs = new PDFObjects(); - this._bitmaps = new Set(); - this.cleanupAfterRender = false; - this.pendingCleanup = false; + this._maybeCleanupAfterRender = false; this._intentStates = new Map(); this.destroyed = false; } @@ -1403,6 +1373,10 @@ class PDFPageProxy { getJSActions() { return this._transport.getPageJSActions(this._pageIndex); } + + get filterFactory() { + return this._transport.filterFactory; + } get isPureXfa() { return (0, _util.shadow)(this, "isPureXfa", !!this._transport._htmlForXfa); } @@ -1415,7 +1389,6 @@ class PDFPageProxy { intent = "display", annotationMode = _util.AnnotationMode.ENABLE, transform = null, - canvasFactory = null, background = null, optionalContentConfigPromise = null, annotationCanvasMap = null, @@ -1424,7 +1397,8 @@ class PDFPageProxy { }) { this._stats?.time("Overall"); const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage); - this.pendingCleanup = false; + this.#pendingCleanup = false; + this.#abortDelayedCleanup(); if (!optionalContentConfigPromise) { optionalContentConfigPromise = this._transport.getOptionalContentConfig(); } @@ -1437,12 +1411,9 @@ class PDFPageProxy { clearTimeout(intentState.streamReaderCancelTimeout); intentState.streamReaderCancelTimeout = null; } - const canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory({ - ownerDocument: this._ownerDocument - }); const intentPrint = !!(intentArgs.renderingIntent & _util.RenderingIntentFlag.PRINT); if (!intentState.displayReadyCapability) { - intentState.displayReadyCapability = (0, _util.createPromiseCapability)(); + intentState.displayReadyCapability = new _util.PromiseCapability(); intentState.operatorList = { fnArray: [], argsArray: [], @@ -1454,10 +1425,10 @@ class PDFPageProxy { } const complete = error => { intentState.renderTasks.delete(internalRenderTask); - if (this.cleanupAfterRender || intentPrint) { - this.pendingCleanup = true; + if (this._maybeCleanupAfterRender || intentPrint) { + this.#pendingCleanup = true; } - this._tryCleanup(); + this.#tryCleanup(!intentPrint); if (error) { internalRenderTask.capability.reject(error); this._abortOperatorList({ @@ -1483,7 +1454,8 @@ class PDFPageProxy { annotationCanvasMap, operatorList: intentState.operatorList, pageIndex: this._pageIndex, - canvasFactory: canvasFactoryInstance, + canvasFactory: this._transport.canvasFactory, + filterFactory: this._transport.filterFactory, useRequestAnimationFrame: !intentPrint, pdfBug: this._pdfBug, pageColors @@ -1491,7 +1463,7 @@ class PDFPageProxy { (intentState.renderTasks ||= new Set()).add(internalRenderTask); const renderTask = internalRenderTask.task; Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => { - if (this.pendingCleanup) { + if (this.destroyed) { complete(); return; } @@ -1525,7 +1497,7 @@ class PDFPageProxy { if (!intentState.opListReadCapability) { opListTask = Object.create(null); opListTask.operatorListChanged = operatorListChanged; - intentState.opListReadCapability = (0, _util.createPromiseCapability)(); + intentState.opListReadCapability = new _util.PromiseCapability(); (intentState.renderTasks ||= new Set()).add(opListTask); intentState.operatorList = { fnArray: [], @@ -1539,14 +1511,14 @@ class PDFPageProxy { return intentState.opListReadCapability.promise; } streamTextContent({ - disableCombineTextItems = false, - includeMarkedContent = false + includeMarkedContent = false, + disableNormalization = false } = {}) { const TEXT_CONTENT_CHUNK_SIZE = 100; return this._transport.messageHandler.sendWithStream("GetTextContent", { pageIndex: this._pageIndex, - combineTextItems: disableCombineTextItems !== true, - includeMarkedContent: includeMarkedContent === true + includeMarkedContent: includeMarkedContent === true, + disableNormalization: disableNormalization === true }, { highWaterMark: TEXT_CONTENT_CHUNK_SIZE, size(textContent) { @@ -1605,19 +1577,29 @@ class PDFPageProxy { } } this.objs.clear(); - for (const bitmap of this._bitmaps) { - bitmap.close(); - } - this._bitmaps.clear(); - this.pendingCleanup = false; + this.#pendingCleanup = false; + this.#abortDelayedCleanup(); return Promise.all(waitOn); } cleanup(resetStats = false) { - this.pendingCleanup = true; - return this._tryCleanup(resetStats); + this.#pendingCleanup = true; + const success = this.#tryCleanup(false); + if (resetStats && success) { + this._stats &&= new _display_utils.StatTimer(); + } + return success; } - _tryCleanup(resetStats = false) { - if (!this.pendingCleanup) { + + #tryCleanup(delayed = false) { + this.#abortDelayedCleanup(); + if (!this.#pendingCleanup || this.destroyed) { + return false; + } + if (delayed) { + this.#delayedCleanupTimeout = setTimeout(() => { + this.#delayedCleanupTimeout = null; + this.#tryCleanup(false); + }, DELAYED_CLEANUP_TIMEOUT); return false; } for (const { @@ -1630,16 +1612,16 @@ class PDFPageProxy { } this._intentStates.clear(); this.objs.clear(); - if (resetStats && this._stats) { - this._stats = new _display_utils.StatTimer(); - } - for (const bitmap of this._bitmaps) { - bitmap.close(); - } - this._bitmaps.clear(); - this.pendingCleanup = false; + this.#pendingCleanup = false; return true; } + + #abortDelayedCleanup() { + if (this.#delayedCleanupTimeout) { + clearTimeout(this.#delayedCleanupTimeout); + this.#delayedCleanupTimeout = null; + } + } _startRenderPage(transparency, cacheKey) { const intentState = this._intentStates.get(cacheKey); if (!intentState) { @@ -1659,20 +1641,24 @@ class PDFPageProxy { internalRenderTask.operatorListChanged(); } if (operatorListChunk.lastChunk) { - this._tryCleanup(); + this.#tryCleanup(true); } } _pumpOperatorList({ renderingIntent, cacheKey, - annotationStorageMap + annotationStorageSerializable }) { + const { + map, + transfers + } = annotationStorageSerializable; const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", { pageIndex: this._pageIndex, intent: renderingIntent, cacheKey, - annotationStorage: annotationStorageMap - }); + annotationStorage: map + }, transfers); const reader = readableStream.getReader(); const intentState = this._intentStates.get(cacheKey); intentState.streamReader = reader; @@ -1700,7 +1686,7 @@ class PDFPageProxy { for (const internalRenderTask of intentState.renderTasks) { internalRenderTask.operatorListChanged(); } - this._tryCleanup(); + this.#tryCleanup(true); } if (intentState.displayReadyCapability) { intentState.displayReadyCapability.reject(reason); @@ -1764,11 +1750,14 @@ class PDFPageProxy { } exports.PDFPageProxy = PDFPageProxy; class LoopbackPort { - #listeners = []; + #listeners = new Set(); #deferred = Promise.resolve(); - postMessage(obj, transfers) { + + postMessage(obj, transfer) { const event = { - data: structuredClone(obj, transfers) + data: structuredClone(obj, transfer ? { + transfer + } : null) }; this.#deferred.then(() => { for (const listener of this.#listeners) { @@ -1777,14 +1766,13 @@ class LoopbackPort { }); } addEventListener(name, listener) { - this.#listeners.push(listener); + this.#listeners.add(listener); } removeEventListener(name, listener) { - const i = this.#listeners.indexOf(listener); - this.#listeners.splice(i, 1); + this.#listeners.delete(listener); } terminate() { - this.#listeners.length = 0; + this.#listeners.clear(); } } exports.LoopbackPort = LoopbackPort; @@ -1795,7 +1783,7 @@ const PDFWorkerUtil = { }; exports.PDFWorkerUtil = PDFWorkerUtil; { - if (_is_node.isNodeJS && typeof require === "function") { + if (_util.isNodeJS && typeof require === "function") { PDFWorkerUtil.isWorkerDisabled = true; PDFWorkerUtil.fallbackWorkerSrc = "./pdf.worker.js"; } else if (typeof document === "object") { @@ -1811,7 +1799,7 @@ exports.PDFWorkerUtil = PDFWorkerUtil; if (!base.origin || base.origin === "null") { return false; } - } catch (e) { + } catch { return false; } const other = new URL(otherUrl, base); @@ -1823,24 +1811,24 @@ exports.PDFWorkerUtil = PDFWorkerUtil; }; } class PDFWorker { - static #workerPorts = new WeakMap(); + static #workerPorts; constructor({ name = null, port = null, verbosity = (0, _util.getVerbosityLevel)() } = {}) { - if (port && PDFWorker.#workerPorts.has(port)) { - throw new Error("Cannot use more than one PDFWorker per port."); - } this.name = name; this.destroyed = false; this.verbosity = verbosity; - this._readyCapability = (0, _util.createPromiseCapability)(); + this._readyCapability = new _util.PromiseCapability(); this._port = null; this._webWorker = null; this._messageHandler = null; if (port) { - PDFWorker.#workerPorts.set(port, this); + if (PDFWorker.#workerPorts?.has(port)) { + throw new Error("Cannot use more than one PDFWorker per port."); + } + (PDFWorker.#workerPorts ||= new WeakMap()).set(port, this); this._initializeFromPort(port); return; } @@ -1919,7 +1907,7 @@ class PDFWorker { } try { sendTest(); - } catch (e) { + } catch { this._setupFakeWorker(); } }); @@ -1929,7 +1917,7 @@ class PDFWorker { }; sendTest(); return; - } catch (e) { + } catch { (0, _util.info)("The worker has been disabled."); } } @@ -1966,7 +1954,7 @@ class PDFWorker { this._webWorker.terminate(); this._webWorker = null; } - PDFWorker.#workerPorts.delete(this._port); + PDFWorker.#workerPorts?.delete(this._port); this._port = null; if (this._messageHandler) { this._messageHandler.destroy(); @@ -1977,8 +1965,12 @@ class PDFWorker { if (!params?.port) { throw new Error("PDFWorker.fromPort - invalid method signature."); } - if (this.#workerPorts.has(params.port)) { - return this.#workerPorts.get(params.port); + const cachedPort = this.#workerPorts?.get(params.port); + if (cachedPort) { + if (cachedPort._pendingDestroy) { + throw new Error("PDFWorker.fromPort - the worker is being destroyed.\n" + "Please remember to await `PDFDocumentLoadingTask.destroy()`-calls."); + } + return cachedPort; } return new PDFWorker(params); } @@ -1987,7 +1979,7 @@ class PDFWorker { return _worker_options.GlobalWorkerOptions.workerSrc; } if (PDFWorkerUtil.fallbackWorkerSrc !== null) { - if (!_is_node.isNodeJS) { + if (!_util.isNodeJS) { (0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.'); } return PDFWorkerUtil.fallbackWorkerSrc; @@ -1997,7 +1989,7 @@ class PDFWorker { static get _mainThreadWorkerMessageHandler() { try { return globalThis.pdfjsWorker?.WorkerMessageHandler || null; - } catch (ex) { + } catch { return null; } } @@ -2007,7 +1999,7 @@ class PDFWorker { if (mainWorkerMessageHandler) { return mainWorkerMessageHandler; } - if (_is_node.isNodeJS && typeof require === "function") { + if (_util.isNodeJS && typeof require === "function") { const worker = eval("require")(this.workerSrc); return worker.WorkerMessageHandler; } @@ -2019,43 +2011,48 @@ class PDFWorker { } exports.PDFWorker = PDFWorker; class WorkerTransport { + #methodPromises = new Map(); #pageCache = new Map(); #pagePromises = new Map(); - #metadataPromise = null; - constructor(messageHandler, loadingTask, networkStream, params) { + #passwordCapability = null; + + constructor(messageHandler, loadingTask, networkStream, params, factory) { this.messageHandler = messageHandler; this.loadingTask = loadingTask; this.commonObjs = new PDFObjects(); this.fontLoader = new _font_loader.FontLoader({ - onUnsupportedFeature: this._onUnsupportedFeature.bind(this), ownerDocument: params.ownerDocument, styleElement: params.styleElement }); this._params = params; - if (!params.useWorkerFetch) { - this.CMapReaderFactory = new params.CMapReaderFactory({ - baseUrl: params.cMapUrl, - isCompressed: params.cMapPacked - }); - this.StandardFontDataFactory = new params.StandardFontDataFactory({ - baseUrl: params.standardFontDataUrl - }); - } + this.canvasFactory = factory.canvasFactory; + this.filterFactory = factory.filterFactory; + this.cMapReaderFactory = factory.cMapReaderFactory; + this.standardFontDataFactory = factory.standardFontDataFactory; this.destroyed = false; this.destroyCapability = null; - this._passwordCapability = null; this._networkStream = networkStream; this._fullReader = null; this._lastProgress = null; - this.downloadInfoCapability = (0, _util.createPromiseCapability)(); + this.downloadInfoCapability = new _util.PromiseCapability(); this.setupMessageHandler(); } + + #cacheSimpleMethod(name, data = null) { + const cachedPromise = this.#methodPromises.get(name); + if (cachedPromise) { + return cachedPromise; + } + const promise = this.messageHandler.sendWithPromise(name, data); + this.#methodPromises.set(name, promise); + return promise; + } get annotationStorage() { return (0, _util.shadow)(this, "annotationStorage", new _annotation_storage.AnnotationStorage()); } getRenderingIntent(intent, annotationMode = _util.AnnotationMode.ENABLE, printAnnotationStorage = null, isOpList = false) { let renderingIntent = _util.RenderingIntentFlag.DISPLAY; - let annotationMap = null; + let annotationStorageSerializable = _annotation_storage.SerializableEmpty; switch (intent) { case "any": renderingIntent = _util.RenderingIntentFlag.ANY; @@ -2080,7 +2077,7 @@ class WorkerTransport { case _util.AnnotationMode.ENABLE_STORAGE: renderingIntent += _util.RenderingIntentFlag.ANNOTATIONS_STORAGE; const annotationStorage = renderingIntent & _util.RenderingIntentFlag.PRINT && printAnnotationStorage instanceof _annotation_storage.PrintAnnotationStorage ? printAnnotationStorage : this.annotationStorage; - annotationMap = annotationStorage.serializable; + annotationStorageSerializable = annotationStorage.serializable; break; default: (0, _util.warn)(`getRenderingIntent - invalid annotationMode: ${annotationMode}`); @@ -2090,8 +2087,8 @@ class WorkerTransport { } return { renderingIntent, - cacheKey: `${renderingIntent}_${_annotation_storage.AnnotationStorage.getHash(annotationMap)}`, - annotationStorageMap: annotationMap + cacheKey: `${renderingIntent}_${annotationStorageSerializable.hash}`, + annotationStorageSerializable }; } destroy() { @@ -2099,10 +2096,8 @@ class WorkerTransport { return this.destroyCapability.promise; } this.destroyed = true; - this.destroyCapability = (0, _util.createPromiseCapability)(); - if (this._passwordCapability) { - this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback")); - } + this.destroyCapability = new _util.PromiseCapability(); + this.#passwordCapability?.reject(new Error("Worker was destroyed during onPassword callback")); const waitOn = []; for (const page of this.#pageCache.values()) { waitOn.push(page._destroy()); @@ -2117,12 +2112,9 @@ class WorkerTransport { Promise.all(waitOn).then(() => { this.commonObjs.clear(); this.fontLoader.clear(); - this.#metadataPromise = null; - this._getFieldObjectsPromise = null; - this._hasJSActionsPromise = null; - if (this._networkStream) { - this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated.")); - } + this.#methodPromises.clear(); + this.filterFactory.destroy(); + this._networkStream?.cancelAllRequests(new _util.AbortException("Worker was terminated.")); if (this.messageHandler) { this.messageHandler.destroy(); this.messageHandler = null; @@ -2171,7 +2163,7 @@ class WorkerTransport { }; }); messageHandler.on("ReaderHeadersReady", data => { - const headersCapability = (0, _util.createPromiseCapability)(); + const headersCapability = new _util.PromiseCapability(); const fullReader = this._fullReader; fullReader.headersReady.then(() => { if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) { @@ -2257,13 +2249,13 @@ class WorkerTransport { loadingTask._capability.reject(reason); }); messageHandler.on("PasswordRequest", exception => { - this._passwordCapability = (0, _util.createPromiseCapability)(); + this.#passwordCapability = new _util.PromiseCapability(); if (loadingTask.onPassword) { const updatePassword = password => { if (password instanceof Error) { - this._passwordCapability.reject(password); + this.#passwordCapability.reject(password); } else { - this._passwordCapability.resolve({ + this.#passwordCapability.resolve({ password }); } @@ -2271,12 +2263,12 @@ class WorkerTransport { try { loadingTask.onPassword(updatePassword, exception.code); } catch (ex) { - this._passwordCapability.reject(ex); + this.#passwordCapability.reject(ex); } } else { - this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code)); + this.#passwordCapability.reject(new _util.PasswordException(exception.message, exception.code)); } - return this._passwordCapability.promise; + return this.#passwordCapability.promise; }); messageHandler.on("DataLoaded", data => { loadingTask.onProgress?.({ @@ -2308,20 +2300,12 @@ class WorkerTransport { this.commonObjs.resolve(id, exportedError); break; } - let fontRegistry = null; - if (params.pdfBug && globalThis.FontInspector?.enabled) { - fontRegistry = { - registerFont(font, url) { - globalThis.FontInspector.fontAdded(font, url); - } - }; - } + const inspectFont = params.pdfBug && globalThis.FontInspector?.enabled ? (font, url) => globalThis.FontInspector.fontAdded(font, url) : null; const font = new _font_loader.FontFaceObject(exportedData, { isEvalSupported: params.isEvalSupported, disableFontFace: params.disableFontFace, ignoreErrors: params.ignoreErrors, - onUnsupportedFeature: this._onUnsupportedFeature.bind(this), - fontRegistry + inspectFont }); this.fontLoader.bind(font).catch(reason => { return messageHandler.sendWithPromise("FontFallback", { @@ -2336,6 +2320,7 @@ class WorkerTransport { break; case "FontPath": case "Image": + case "Pattern": this.commonObjs.resolve(id, exportedData); break; default: @@ -2353,22 +2338,19 @@ class WorkerTransport { switch (type) { case "Image": pageProxy.objs.resolve(id, imageData); - const MAX_IMAGE_SIZE_TO_STORE = 8000000; if (imageData) { let length; if (imageData.bitmap) { const { - bitmap, width, height } = imageData; length = width * height * 4; - pageProxy._bitmaps.add(bitmap); } else { length = imageData.data?.length || 0; } - if (length > MAX_IMAGE_SIZE_TO_STORE) { - pageProxy.cleanupAfterRender = true; + if (length > _util.MAX_IMAGE_SIZE_TO_CACHE) { + pageProxy._maybeCleanupAfterRender = true; } } break; @@ -2388,34 +2370,25 @@ class WorkerTransport { total: data.total }); }); - messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this)); messageHandler.on("FetchBuiltInCMap", data => { if (this.destroyed) { return Promise.reject(new Error("Worker was destroyed.")); } - if (!this.CMapReaderFactory) { + if (!this.cMapReaderFactory) { return Promise.reject(new Error("CMapReaderFactory not initialized, see the `useWorkerFetch` parameter.")); } - return this.CMapReaderFactory.fetch(data); + return this.cMapReaderFactory.fetch(data); }); messageHandler.on("FetchStandardFontData", data => { if (this.destroyed) { return Promise.reject(new Error("Worker was destroyed.")); } - if (!this.StandardFontDataFactory) { + if (!this.standardFontDataFactory) { return Promise.reject(new Error("StandardFontDataFactory not initialized, see the `useWorkerFetch` parameter.")); } - return this.StandardFontDataFactory.fetch(data); + return this.standardFontDataFactory.fetch(data); }); } - _onUnsupportedFeature({ - featureId - }) { - if (this.destroyed) { - return; - } - this.loadingTask.onUnsupportedFeature?.(featureId); - } getData() { return this.messageHandler.sendWithPromise("GetData", null); } @@ -2423,12 +2396,16 @@ class WorkerTransport { if (this.annotationStorage.size <= 0) { (0, _util.warn)("saveDocument called while `annotationStorage` is empty, " + "please use the getData-method instead."); } + const { + map, + transfers + } = this.annotationStorage.serializable; return this.messageHandler.sendWithPromise("SaveDocument", { isPureXfa: !!this._htmlForXfa, numPages: this._numPages, - annotationStorage: this.annotationStorage.serializable, + annotationStorage: map, filename: this._fullReader?.filename ?? null - }).finally(() => { + }, transfers).finally(() => { this.annotationStorage.resetModified(); }); } @@ -2447,7 +2424,7 @@ class WorkerTransport { if (this.destroyed) { throw new Error("Transport destroyed"); } - const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.ownerDocument, this._params.pdfBug); + const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.pdfBug); this.#pageCache.set(pageIndex, page); return page; }); @@ -2470,10 +2447,10 @@ class WorkerTransport { }); } getFieldObjects() { - return this._getFieldObjectsPromise ||= this.messageHandler.sendWithPromise("GetFieldObjects", null); + return this.#cacheSimpleMethod("GetFieldObjects"); } hasJSActions() { - return this._hasJSActionsPromise ||= this.messageHandler.sendWithPromise("HasJSActions", null); + return this.#cacheSimpleMethod("HasJSActions"); } getCalculationOrderIds() { return this.messageHandler.sendWithPromise("GetCalculationOrderIds", null); @@ -2507,11 +2484,8 @@ class WorkerTransport { getAttachments() { return this.messageHandler.sendWithPromise("GetAttachments", null); } - getJavaScript() { - return this.messageHandler.sendWithPromise("GetJavaScript", null); - } getDocJSActions() { - return this.messageHandler.sendWithPromise("GetDocJSActions", null); + return this.#cacheSimpleMethod("GetDocJSActions"); } getPageJSActions(pageIndex) { return this.messageHandler.sendWithPromise("GetPageJSActions", { @@ -2535,7 +2509,12 @@ class WorkerTransport { return this.messageHandler.sendWithPromise("GetPermissions", null); } getMetadata() { - return this.#metadataPromise ||= this.messageHandler.sendWithPromise("GetMetadata", null).then(results => { + const name = "GetMetadata", + cachedPromise = this.#methodPromises.get(name); + if (cachedPromise) { + return cachedPromise; + } + const promise = this.messageHandler.sendWithPromise(name, null).then(results => { return { info: results[0], metadata: results[1] ? new _metadata.Metadata(results[1]) : null, @@ -2543,6 +2522,8 @@ class WorkerTransport { contentLength: this._fullReader?.contentLength ?? null }; }); + this.#methodPromises.set(name, promise); + return promise; } getMarkInfo() { return this.messageHandler.sendWithPromise("GetMarkInfo", null); @@ -2562,27 +2543,25 @@ class WorkerTransport { if (!keepLoadedFonts) { this.fontLoader.clear(); } - this.#metadataPromise = null; - this._getFieldObjectsPromise = null; - this._hasJSActionsPromise = null; + this.#methodPromises.clear(); + this.filterFactory.destroy(true); } get loadingParams() { - const params = this._params; + const { + disableAutoFetch, + enableXfa + } = this._params; return (0, _util.shadow)(this, "loadingParams", { - disableAutoFetch: params.disableAutoFetch, - enableXfa: params.enableXfa + disableAutoFetch, + enableXfa }); } } class PDFObjects { #objs = Object.create(null); #ensureObj(objId) { - const obj = this.#objs[objId]; - if (obj) { - return obj; - } - return this.#objs[objId] = { - capability: (0, _util.createPromiseCapability)(), + return this.#objs[objId] ||= { + capability: new _util.PromiseCapability(), data: null }; } @@ -2608,6 +2587,12 @@ class PDFObjects { obj.capability.resolve(); } clear() { + for (const objId in this.#objs) { + const { + data + } = this.#objs[objId]; + data?.bitmap?.close(); + } this.#objs = Object.create(null); } } @@ -2648,6 +2633,7 @@ class InternalRenderTask { operatorList, pageIndex, canvasFactory, + filterFactory, useRequestAnimationFrame = false, pdfBug = false, pageColors = null @@ -2661,6 +2647,7 @@ class InternalRenderTask { this.operatorList = operatorList; this._pageIndex = pageIndex; this.canvasFactory = canvasFactory; + this.filterFactory = filterFactory; this._pdfBug = pdfBug; this.pageColors = pageColors; this.running = false; @@ -2668,7 +2655,7 @@ class InternalRenderTask { this.graphicsReady = false; this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined"; this.cancelled = false; - this.capability = (0, _util.createPromiseCapability)(); + this.capability = new _util.PromiseCapability(); this.task = new RenderTask(this); this._cancelBound = this.cancel.bind(this); this._continueBound = this._continue.bind(this); @@ -2703,7 +2690,7 @@ class InternalRenderTask { transform, background } = this.params; - this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, { + this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.filterFactory, { optionalContentConfig }, this.annotationCanvasMap, this.pageColors); this.gfx.beginDrawing({ @@ -2720,16 +2707,12 @@ class InternalRenderTask { this.running = false; this.cancelled = true; this.gfx?.endDrawing(); - if (this._canvas) { InternalRenderTask.#canvasInUse.delete(this._canvas); - } - this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas", extraDelay)); + this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, extraDelay)); } operatorListChanged() { if (!this.graphicsReady) { - if (!this.graphicsReadyCallback) { - this.graphicsReadyCallback = this._continueBound; - } + this.graphicsReadyCallback ||= this._continueBound; return; } this.stepper?.updateOperatorList(this.operatorList); @@ -2767,17 +2750,16 @@ class InternalRenderTask { this.running = false; if (this.operatorList.lastChunk) { this.gfx.endDrawing(); - if (this._canvas) { InternalRenderTask.#canvasInUse.delete(this._canvas); - } this.callback(); } } } } -const version = '3.3.122'; + + const version = '3.11.174'; exports.version = version; -const build = '562045607'; + const build = 'ce8716743'; exports.build = build; /***/ }), @@ -2789,10 +2771,16 @@ exports.build = build; Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.PrintAnnotationStorage = exports.AnnotationStorage = void 0; + exports.SerializableEmpty = exports.PrintAnnotationStorage = exports.AnnotationStorage = void 0; var _util = __w_pdfjs_require__(1); var _editor = __w_pdfjs_require__(4); var _murmurhash = __w_pdfjs_require__(8); + const SerializableEmpty = Object.freeze({ + map: null, + hash: "", + transfers: undefined + }); + exports.SerializableEmpty = SerializableEmpty; class AnnotationStorage { #modified = false; #storage = new Map(); @@ -2852,6 +2840,12 @@ class AnnotationStorage { getAll() { return this.#storage.size > 0 ? (0, _util.objectFromMap)(this.#storage) : null; } + + setAll(obj) { + for (const [key, val] of Object.entries(obj)) { + this.setValue(key, val); + } + } get size() { return this.#storage.size; } @@ -2876,34 +2870,53 @@ class AnnotationStorage { } get serializable() { if (this.#storage.size === 0) { - return null; + return SerializableEmpty; } - const clone = new Map(); + const map = new Map(), + hash = new _murmurhash.MurmurHash3_64(), + transfers = []; + const context = Object.create(null); + let hasBitmap = false; for (const [key, val] of this.#storage) { - const serialized = val instanceof _editor.AnnotationEditor ? val.serialize() : val; + const serialized = val instanceof _editor.AnnotationEditor ? val.serialize(false, context) : val; if (serialized) { - clone.set(key, serialized); + map.set(key, serialized); + hash.update(`${key}:${JSON.stringify(serialized)}`); + hasBitmap ||= !!serialized.bitmap; } } - return clone; - } - static getHash(map) { - if (!map) { - return ""; + if (hasBitmap) { + for (const value of map.values()) { + if (value.bitmap) { + transfers.push(value.bitmap); + } + } } - const hash = new _murmurhash.MurmurHash3_64(); - for (const [key, val] of map) { - hash.update(`${key}:${JSON.stringify(val)}`); - } - return hash.hexdigest(); + return map.size > 0 ? { + map, + hash: hash.hexdigest(), + transfers + } : SerializableEmpty; } } exports.AnnotationStorage = AnnotationStorage; class PrintAnnotationStorage extends AnnotationStorage { - #serializable = null; + #serializable; constructor(parent) { super(); - this.#serializable = structuredClone(parent.serializable); + const { + map, + hash, + transfers + } = parent.serializable; + const clone = structuredClone(map, transfers ? { + transfer: transfers + } : null); + this.#serializable = { + map: clone, + hash, + transfers + }; } get print() { (0, _util.unreachable)("Should not call PrintAnnotationStorage.print"); @@ -2926,16 +2939,30 @@ Object.defineProperty(exports, "__esModule", ({ exports.AnnotationEditor = void 0; var _tools = __w_pdfjs_require__(5); var _util = __w_pdfjs_require__(1); + var _display_utils = __w_pdfjs_require__(6); class AnnotationEditor { + #altText = ""; + #altTextDecorative = false; + #altTextButton = null; + #altTextTooltip = null; + #altTextTooltipTimeout = null; + #keepAspectRatio = false; + #resizersDiv = null; #boundFocusin = this.focusin.bind(this); #boundFocusout = this.focusout.bind(this); - #hasBeenSelected = false; + #hasBeenClicked = false; #isEditing = false; #isInEditMode = false; + _initialOptions = Object.create(null); _uiManager = null; + _focusEventsAllowed = true; + _l10nPromise = null; + #isDraggable = false; #zIndex = AnnotationEditor._zIndex++; + static _borderLineWidth = -1; static _colorManager = new _tools.ColorManager(); static _zIndex = 1; + static SMALL_EDITOR_SIZE = 0; constructor(parameters) { if (this.constructor === AnnotationEditor) { (0, _util.unreachable)("Cannot initialize AnnotationEditor."); @@ -2947,6 +2974,10 @@ class AnnotationEditor { this.name = parameters.name; this.div = null; this._uiManager = parameters.uiManager; + this.annotationElementId = null; + this._willKeepAspectRatio = false; + this._initialOptions.isCentered = parameters.isCentered; + this._structTreeParentId = null; const { rotation, rawDims: { @@ -2957,16 +2988,98 @@ class AnnotationEditor { } } = this.parent.viewport; this.rotation = rotation; + this.pageRotation = (360 + rotation - this._uiManager.viewParameters.rotation) % 360; this.pageDimensions = [pageWidth, pageHeight]; this.pageTranslation = [pageX, pageY]; const [width, height] = this.parentDimensions; this.x = parameters.x / width; this.y = parameters.y / height; this.isAttachedToDOM = false; + this.deleted = false; + } + + get editorType() { + return Object.getPrototypeOf(this).constructor._type; } static get _defaultLineColor() { return (0, _util.shadow)(this, "_defaultLineColor", this._colorManager.getHexCode("CanvasText")); } + + static deleteAnnotationElement(editor) { + const fakeEditor = new FakeEditor({ + id: editor.parent.getNextId(), + parent: editor.parent, + uiManager: editor._uiManager + }); + fakeEditor.annotationElementId = editor.annotationElementId; + fakeEditor.deleted = true; + fakeEditor._uiManager.addToAnnotationStorage(fakeEditor); + } + + static initialize(l10n, options = null) { + AnnotationEditor._l10nPromise ||= new Map(["editor_alt_text_button_label", "editor_alt_text_edit_button_label", "editor_alt_text_decorative_tooltip"].map(str => [str, l10n.get(str)])); + if (options?.strings) { + for (const str of options.strings) { + AnnotationEditor._l10nPromise.set(str, l10n.get(str)); + } + } + if (AnnotationEditor._borderLineWidth !== -1) { + return; + } + const style = getComputedStyle(document.documentElement); + AnnotationEditor._borderLineWidth = parseFloat(style.getPropertyValue("--outline-width")) || 0; + } + + static updateDefaultParams(_type, _value) { + } + + static get defaultPropertiesToUpdate() { + return []; + } + + static isHandlingMimeForPasting(mime) { + return false; + } + + static paste(item, parent) { + (0, _util.unreachable)("Not implemented"); + } + + get propertiesToUpdate() { + return []; + } + + get _isDraggable() { + return this.#isDraggable; + } + + set _isDraggable(value) { + this.#isDraggable = value; + this.div?.classList.toggle("draggable", value); + } + + center() { + const [pageWidth, pageHeight] = this.pageDimensions; + switch (this.parentRotation) { + case 90: + this.x -= this.height * pageHeight / (pageWidth * 2); + this.y += this.width * pageWidth / (pageHeight * 2); + break; + case 180: + this.x += this.width / 2; + this.y += this.height / 2; + break; + case 270: + this.x += this.height * pageHeight / (pageWidth * 2); + this.y -= this.width * pageWidth / (pageHeight * 2); + break; + default: + this.x -= this.width / 2; + this.y -= this.height / 2; + break; + } + this.fixAndSetPosition(); + } addCommands(params) { this._uiManager.addCommands(params); } @@ -2987,13 +3100,19 @@ class AnnotationEditor { this.parent = parent; } focusin(event) { - if (!this.#hasBeenSelected) { + if (!this._focusEventsAllowed) { + return; + } + if (!this.#hasBeenClicked) { this.parent.setSelected(this); } else { - this.#hasBeenSelected = false; + this.#hasBeenClicked = false; } } focusout(event) { + if (!this._focusEventsAllowed) { + return; + } if (!this.isAttachedToDOM) { return; } @@ -3019,31 +3138,124 @@ class AnnotationEditor { addToAnnotationStorage() { this._uiManager.addToAnnotationStorage(this); } - dragstart(event) { - const rect = this.parent.div.getBoundingClientRect(); - this.startX = event.clientX - rect.x; - this.startY = event.clientY - rect.y; - event.dataTransfer.setData("text/plain", this.id); - event.dataTransfer.effectAllowed = "move"; - } setAt(x, y, tx, ty) { const [width, height] = this.parentDimensions; [tx, ty] = this.screenToPageTranslation(tx, ty); this.x = (x + tx) / width; this.y = (y + ty) / height; - this.div.style.left = `${100 * this.x}%`; - this.div.style.top = `${100 * this.y}%`; + this.fixAndSetPosition(); } - translate(x, y) { - const [width, height] = this.parentDimensions; + + #translate([width, height], x, y) { [x, y] = this.screenToPageTranslation(x, y); this.x += x / width; this.y += y / height; - this.div.style.left = `${100 * this.x}%`; - this.div.style.top = `${100 * this.y}%`; + this.fixAndSetPosition(); + } + + translate(x, y) { + this.#translate(this.parentDimensions, x, y); } - screenToPageTranslation(x, y) { - switch (this.parentRotation) { + + translateInPage(x, y) { + this.#translate(this.pageDimensions, x, y); + this.div.scrollIntoView({ + block: "nearest" + }); + } + + drag(tx, ty) { + const [parentWidth, parentHeight] = this.parentDimensions; + this.x += tx / parentWidth; + this.y += ty / parentHeight; + if (this.parent && (this.x < 0 || this.x > 1 || this.y < 0 || this.y > 1)) { + const { + x, + y + } = this.div.getBoundingClientRect(); + if (this.parent.findNewParent(this, x, y)) { + this.x -= Math.floor(this.x); + this.y -= Math.floor(this.y); + } + } + let { + x, + y + } = this; + const [bx, by] = this.#getBaseTranslation(); + x += bx; + y += by; + this.div.style.left = `${(100 * x).toFixed(2)}%`; + this.div.style.top = `${(100 * y).toFixed(2)}%`; + this.div.scrollIntoView({ + block: "nearest" + }); + } + + #getBaseTranslation() { + const [parentWidth, parentHeight] = this.parentDimensions; + const { + _borderLineWidth + } = AnnotationEditor; + const x = _borderLineWidth / parentWidth; + const y = _borderLineWidth / parentHeight; + switch (this.rotation) { + case 90: + return [-x, y]; + case 180: + return [x, y]; + case 270: + return [x, -y]; + default: + return [-x, -y]; + } + } + + fixAndSetPosition() { + const [pageWidth, pageHeight] = this.pageDimensions; + let { + x, + y, + width, + height + } = this; + width *= pageWidth; + height *= pageHeight; + x *= pageWidth; + y *= pageHeight; + switch (this.rotation) { + case 0: + x = Math.max(0, Math.min(pageWidth - width, x)); + y = Math.max(0, Math.min(pageHeight - height, y)); + break; + case 90: + x = Math.max(0, Math.min(pageWidth - height, x)); + y = Math.min(pageHeight, Math.max(width, y)); + break; + case 180: + x = Math.min(pageWidth, Math.max(width, x)); + y = Math.min(pageHeight, Math.max(height, y)); + break; + case 270: + x = Math.min(pageWidth, Math.max(height, x)); + y = Math.max(0, Math.min(pageHeight - width, y)); + break; + } + this.x = x /= pageWidth; + this.y = y /= pageHeight; + const [bx, by] = this.#getBaseTranslation(); + x += bx; + y += by; + const { + style + } = this.div; + style.left = `${(100 * x).toFixed(2)}%`; + style.top = `${(100 * y).toFixed(2)}%`; + this.moveInDOM(); + } + + static #rotatePoint(x, y, angle) { + switch (angle) { case 90: return [y, -x]; case 180: @@ -3054,23 +3266,53 @@ class AnnotationEditor { return [x, y]; } } + + screenToPageTranslation(x, y) { + return AnnotationEditor.#rotatePoint(x, y, this.parentRotation); + } + + pageTranslationToScreen(x, y) { + return AnnotationEditor.#rotatePoint(x, y, 360 - this.parentRotation); + } + + #getRotationMatrix(rotation) { + switch (rotation) { + case 90: { + const [pageWidth, pageHeight] = this.pageDimensions; + return [0, -pageWidth / pageHeight, pageHeight / pageWidth, 0]; + } + case 180: + return [-1, 0, 0, -1]; + case 270: { + const [pageWidth, pageHeight] = this.pageDimensions; + return [0, pageWidth / pageHeight, -pageHeight / pageWidth, 0]; + } + default: + return [1, 0, 0, 1]; + } + } get parentScale() { return this._uiManager.viewParameters.realScale; } get parentRotation() { - return this._uiManager.viewParameters.rotation; + return (this._uiManager.viewParameters.rotation + this.pageRotation) % 360; } get parentDimensions() { const { - realScale - } = this._uiManager.viewParameters; - const [pageWidth, pageHeight] = this.pageDimensions; - return [pageWidth * realScale, pageHeight * realScale]; + parentScale, + pageDimensions: [pageWidth, pageHeight] + } = this; + const scaledWidth = pageWidth * parentScale; + const scaledHeight = pageHeight * parentScale; + return _util.FeatureTest.isCSSRoundSupported ? [Math.round(scaledWidth), Math.round(scaledHeight)] : [scaledWidth, scaledHeight]; } setDims(width, height) { const [parentWidth, parentHeight] = this.parentDimensions; - this.div.style.width = `${100 * width / parentWidth}%`; - this.div.style.height = `${100 * height / parentHeight}%`; + this.div.style.width = `${(100 * width / parentWidth).toFixed(2)}%`; + if (!this.#keepAspectRatio) { + this.div.style.height = `${(100 * height / parentHeight).toFixed(2)}%`; + } + this.#altTextButton?.classList.toggle("small", width < AnnotationEditor.SMALL_EDITOR_SIZE || height < AnnotationEditor.SMALL_EDITOR_SIZE); } fixDims() { const { @@ -3081,21 +3323,296 @@ class AnnotationEditor { width } = style; const widthPercent = width.endsWith("%"); - const heightPercent = height.endsWith("%"); + const heightPercent = !this.#keepAspectRatio && height.endsWith("%"); if (widthPercent && heightPercent) { return; } const [parentWidth, parentHeight] = this.parentDimensions; if (!widthPercent) { - style.width = `${100 * parseFloat(width) / parentWidth}%`; + style.width = `${(100 * parseFloat(width) / parentWidth).toFixed(2)}%`; } - if (!heightPercent) { - style.height = `${100 * parseFloat(height) / parentHeight}%`; + if (!this.#keepAspectRatio && !heightPercent) { + style.height = `${(100 * parseFloat(height) / parentHeight).toFixed(2)}%`; } } getInitialTranslation() { return [0, 0]; } + + #createResizers() { + if (this.#resizersDiv) { + return; + } + this.#resizersDiv = document.createElement("div"); + this.#resizersDiv.classList.add("resizers"); + const classes = ["topLeft", "topRight", "bottomRight", "bottomLeft"]; + if (!this._willKeepAspectRatio) { + classes.push("topMiddle", "middleRight", "bottomMiddle", "middleLeft"); + } + for (const name of classes) { + const div = document.createElement("div"); + this.#resizersDiv.append(div); + div.classList.add("resizer", name); + div.addEventListener("pointerdown", this.#resizerPointerdown.bind(this, name)); + div.addEventListener("contextmenu", _display_utils.noContextMenu); + } + this.div.prepend(this.#resizersDiv); + } + + #resizerPointerdown(name, event) { + event.preventDefault(); + const { + isMac + } = _util.FeatureTest.platform; + if (event.button !== 0 || event.ctrlKey && isMac) { + return; + } + const boundResizerPointermove = this.#resizerPointermove.bind(this, name); + const savedDraggable = this._isDraggable; + this._isDraggable = false; + const pointerMoveOptions = { + passive: true, + capture: true + }; + window.addEventListener("pointermove", boundResizerPointermove, pointerMoveOptions); + const savedX = this.x; + const savedY = this.y; + const savedWidth = this.width; + const savedHeight = this.height; + const savedParentCursor = this.parent.div.style.cursor; + const savedCursor = this.div.style.cursor; + this.div.style.cursor = this.parent.div.style.cursor = window.getComputedStyle(event.target).cursor; + const pointerUpCallback = () => { + this._isDraggable = savedDraggable; + window.removeEventListener("pointerup", pointerUpCallback); + window.removeEventListener("blur", pointerUpCallback); + window.removeEventListener("pointermove", boundResizerPointermove, pointerMoveOptions); + this.parent.div.style.cursor = savedParentCursor; + this.div.style.cursor = savedCursor; + const newX = this.x; + const newY = this.y; + const newWidth = this.width; + const newHeight = this.height; + if (newX === savedX && newY === savedY && newWidth === savedWidth && newHeight === savedHeight) { + return; + } + this.addCommands({ + cmd: () => { + this.width = newWidth; + this.height = newHeight; + this.x = newX; + this.y = newY; + const [parentWidth, parentHeight] = this.parentDimensions; + this.setDims(parentWidth * newWidth, parentHeight * newHeight); + this.fixAndSetPosition(); + }, + undo: () => { + this.width = savedWidth; + this.height = savedHeight; + this.x = savedX; + this.y = savedY; + const [parentWidth, parentHeight] = this.parentDimensions; + this.setDims(parentWidth * savedWidth, parentHeight * savedHeight); + this.fixAndSetPosition(); + }, + mustExec: true + }); + }; + window.addEventListener("pointerup", pointerUpCallback); + window.addEventListener("blur", pointerUpCallback); + } + + #resizerPointermove(name, event) { + const [parentWidth, parentHeight] = this.parentDimensions; + const savedX = this.x; + const savedY = this.y; + const savedWidth = this.width; + const savedHeight = this.height; + const minWidth = AnnotationEditor.MIN_SIZE / parentWidth; + const minHeight = AnnotationEditor.MIN_SIZE / parentHeight; + const round = x => Math.round(x * 10000) / 10000; + const rotationMatrix = this.#getRotationMatrix(this.rotation); + const transf = (x, y) => [rotationMatrix[0] * x + rotationMatrix[2] * y, rotationMatrix[1] * x + rotationMatrix[3] * y]; + const invRotationMatrix = this.#getRotationMatrix(360 - this.rotation); + const invTransf = (x, y) => [invRotationMatrix[0] * x + invRotationMatrix[2] * y, invRotationMatrix[1] * x + invRotationMatrix[3] * y]; + let getPoint; + let getOpposite; + let isDiagonal = false; + let isHorizontal = false; + switch (name) { + case "topLeft": + isDiagonal = true; + getPoint = (w, h) => [0, 0]; + getOpposite = (w, h) => [w, h]; + break; + case "topMiddle": + getPoint = (w, h) => [w / 2, 0]; + getOpposite = (w, h) => [w / 2, h]; + break; + case "topRight": + isDiagonal = true; + getPoint = (w, h) => [w, 0]; + getOpposite = (w, h) => [0, h]; + break; + case "middleRight": + isHorizontal = true; + getPoint = (w, h) => [w, h / 2]; + getOpposite = (w, h) => [0, h / 2]; + break; + case "bottomRight": + isDiagonal = true; + getPoint = (w, h) => [w, h]; + getOpposite = (w, h) => [0, 0]; + break; + case "bottomMiddle": + getPoint = (w, h) => [w / 2, h]; + getOpposite = (w, h) => [w / 2, 0]; + break; + case "bottomLeft": + isDiagonal = true; + getPoint = (w, h) => [0, h]; + getOpposite = (w, h) => [w, 0]; + break; + case "middleLeft": + isHorizontal = true; + getPoint = (w, h) => [0, h / 2]; + getOpposite = (w, h) => [w, h / 2]; + break; + } + const point = getPoint(savedWidth, savedHeight); + const oppositePoint = getOpposite(savedWidth, savedHeight); + let transfOppositePoint = transf(...oppositePoint); + const oppositeX = round(savedX + transfOppositePoint[0]); + const oppositeY = round(savedY + transfOppositePoint[1]); + let ratioX = 1; + let ratioY = 1; + let [deltaX, deltaY] = this.screenToPageTranslation(event.movementX, event.movementY); + [deltaX, deltaY] = invTransf(deltaX / parentWidth, deltaY / parentHeight); + if (isDiagonal) { + const oldDiag = Math.hypot(savedWidth, savedHeight); + ratioX = ratioY = Math.max(Math.min(Math.hypot(oppositePoint[0] - point[0] - deltaX, oppositePoint[1] - point[1] - deltaY) / oldDiag, 1 / savedWidth, 1 / savedHeight), minWidth / savedWidth, minHeight / savedHeight); + } else if (isHorizontal) { + ratioX = Math.max(minWidth, Math.min(1, Math.abs(oppositePoint[0] - point[0] - deltaX))) / savedWidth; + } else { + ratioY = Math.max(minHeight, Math.min(1, Math.abs(oppositePoint[1] - point[1] - deltaY))) / savedHeight; + } + const newWidth = round(savedWidth * ratioX); + const newHeight = round(savedHeight * ratioY); + transfOppositePoint = transf(...getOpposite(newWidth, newHeight)); + const newX = oppositeX - transfOppositePoint[0]; + const newY = oppositeY - transfOppositePoint[1]; + this.width = newWidth; + this.height = newHeight; + this.x = newX; + this.y = newY; + this.setDims(parentWidth * newWidth, parentHeight * newHeight); + this.fixAndSetPosition(); + } + + async addAltTextButton() { + if (this.#altTextButton) { + return; + } + const altText = this.#altTextButton = document.createElement("button"); + altText.className = "altText"; + const msg = await AnnotationEditor._l10nPromise.get("editor_alt_text_button_label"); + altText.textContent = msg; + altText.setAttribute("aria-label", msg); + altText.tabIndex = "0"; + altText.addEventListener("contextmenu", _display_utils.noContextMenu); + altText.addEventListener("pointerdown", event => event.stopPropagation()); + altText.addEventListener("click", event => { + event.preventDefault(); + this._uiManager.editAltText(this); + }, { + capture: true + }); + altText.addEventListener("keydown", event => { + if (event.target === altText && event.key === "Enter") { + event.preventDefault(); + this._uiManager.editAltText(this); + } + }); + this.#setAltTextButtonState(); + this.div.append(altText); + if (!AnnotationEditor.SMALL_EDITOR_SIZE) { + const PERCENT = 40; + AnnotationEditor.SMALL_EDITOR_SIZE = Math.min(128, Math.round(altText.getBoundingClientRect().width * (1 + PERCENT / 100))); + } + } + + async #setAltTextButtonState() { + const button = this.#altTextButton; + if (!button) { + return; + } + if (!this.#altText && !this.#altTextDecorative) { + button.classList.remove("done"); + this.#altTextTooltip?.remove(); + return; + } + AnnotationEditor._l10nPromise.get("editor_alt_text_edit_button_label").then(msg => { + button.setAttribute("aria-label", msg); + }); + let tooltip = this.#altTextTooltip; + if (!tooltip) { + this.#altTextTooltip = tooltip = document.createElement("span"); + tooltip.className = "tooltip"; + tooltip.setAttribute("role", "tooltip"); + const id = tooltip.id = `alt-text-tooltip-${this.id}`; + button.setAttribute("aria-describedby", id); + const DELAY_TO_SHOW_TOOLTIP = 100; + button.addEventListener("mouseenter", () => { + this.#altTextTooltipTimeout = setTimeout(() => { + this.#altTextTooltipTimeout = null; + this.#altTextTooltip.classList.add("show"); + this._uiManager._eventBus.dispatch("reporttelemetry", { + source: this, + details: { + type: "editing", + subtype: this.editorType, + data: { + action: "alt_text_tooltip" + } + } + }); + }, DELAY_TO_SHOW_TOOLTIP); + }); + button.addEventListener("mouseleave", () => { + clearTimeout(this.#altTextTooltipTimeout); + this.#altTextTooltipTimeout = null; + this.#altTextTooltip?.classList.remove("show"); + }); + } + button.classList.add("done"); + tooltip.innerText = this.#altTextDecorative ? await AnnotationEditor._l10nPromise.get("editor_alt_text_decorative_tooltip") : this.#altText; + if (!tooltip.parentNode) { + button.append(tooltip); + } + } + + getClientDimensions() { + return this.div.getBoundingClientRect(); + } + + get altTextData() { + return { + altText: this.#altText, + decorative: this.#altTextDecorative + }; + } + + set altTextData({ + altText, + decorative + }) { + if (this.#altText === altText && this.#altTextDecorative === decorative) { + return; + } + this.#altText = altText; + this.#altTextDecorative = decorative; + this.#setAltTextButtonState(); + } render() { this.div = document.createElement("div"); this.div.setAttribute("data-editor-rotation", (360 - this.rotation) % 360); @@ -3105,9 +3622,14 @@ class AnnotationEditor { this.setInForeground(); this.div.addEventListener("focusin", this.#boundFocusin); this.div.addEventListener("focusout", this.#boundFocusout); + const [parentWidth, parentHeight] = this.parentDimensions; + if (this.parentRotation % 180 !== 0) { + this.div.style.maxWidth = `${(100 * parentHeight / parentWidth).toFixed(2)}%`; + this.div.style.maxHeight = `${(100 * parentWidth / parentHeight).toFixed(2)}%`; + } const [tx, ty] = this.getInitialTranslation(); this.translate(tx, ty); - (0, _tools.bindEvents)(this, this.div, ["dragstart", "pointerdown"]); + (0, _tools.bindEvents)(this, this.div, ["pointerdown"]); return this.div; } pointerdown(event) { @@ -3118,12 +3640,59 @@ class AnnotationEditor { event.preventDefault(); return; } - if (event.ctrlKey && !isMac || event.shiftKey || event.metaKey && isMac) { - this.parent.toggleSelected(this); - } else { - this.parent.setSelected(this); + this.#hasBeenClicked = true; + this.#setUpDragSession(event); + } + + #setUpDragSession(event) { + if (!this._isDraggable) { + return; + } + const isSelected = this._uiManager.isSelected(this); + this._uiManager.setUpDragSession(); + let pointerMoveOptions, pointerMoveCallback; + if (isSelected) { + pointerMoveOptions = { + passive: true, + capture: true + }; + pointerMoveCallback = e => { + const [tx, ty] = this.screenToPageTranslation(e.movementX, e.movementY); + this._uiManager.dragSelectedEditors(tx, ty); + }; + window.addEventListener("pointermove", pointerMoveCallback, pointerMoveOptions); + } + const pointerUpCallback = () => { + window.removeEventListener("pointerup", pointerUpCallback); + window.removeEventListener("blur", pointerUpCallback); + if (isSelected) { + window.removeEventListener("pointermove", pointerMoveCallback, pointerMoveOptions); + } + this.#hasBeenClicked = false; + if (!this._uiManager.endDragSession()) { + const { + isMac + } = _util.FeatureTest.platform; + if (event.ctrlKey && !isMac || event.shiftKey || event.metaKey && isMac) { + this.parent.toggleSelected(this); + } else { + this.parent.setSelected(this); + } + } + }; + window.addEventListener("pointerup", pointerUpCallback); + window.addEventListener("blur", pointerUpCallback); } - this.#hasBeenSelected = true; + + moveInDOM() { + this.parent?.moveEditorInDOM(this); + } + + _setParentAndPosition(parent, x, y) { + parent.changeParent(this); + this.x = x; + this.y = y; + this.fixAndSetPosition(); } getRect(tx, ty) { const scale = this.parentScale; @@ -3186,8 +3755,10 @@ class AnnotationEditor { } rebuild() { this.div?.addEventListener("focusin", this.#boundFocusin); + this.div?.addEventListener("focusout", this.#boundFocusout); } - serialize() { + + serialize(isForCopying = false, context = null) { (0, _util.unreachable)("An editor must be serializable"); } static deserialize(data, parent, uiManager) { @@ -3211,20 +3782,53 @@ class AnnotationEditor { if (!this.isEmpty()) { this.commit(); } - this.parent.remove(this); + if (this.parent) { + this.parent.remove(this); + } else { + this._uiManager.removeEditor(this); + } + this.#altTextButton?.remove(); + this.#altTextButton = null; + this.#altTextTooltip = null; + } + + get isResizable() { + return false; + } + + makeResizable() { + if (this.isResizable) { + this.#createResizers(); + this.#resizersDiv.classList.remove("hidden"); + } } select() { + this.makeResizable(); this.div?.classList.add("selectedEditor"); } unselect() { + this.#resizersDiv?.classList.add("hidden"); this.div?.classList.remove("selectedEditor"); + if (this.div?.contains(document.activeElement)) { + this._uiManager.currentLayer.div.focus(); + } } updateParams(type, value) {} - disableEditing() {} - enableEditing() {} - get propertiesToUpdate() { - return {}; + + disableEditing() { + if (this.#altTextButton) { + this.#altTextButton.hidden = true; + } } + + enableEditing() { + if (this.#altTextButton) { + this.#altTextButton.hidden = false; + } + } + + enterInEditMode() { + } get contentDiv() { return this.div; } @@ -3233,6 +3837,9 @@ class AnnotationEditor { } set isEditing(value) { this.#isEditing = value; + if (!this.parent) { + return; + } if (value) { this.parent.setSelected(this); this.parent.setActiveEditor(this); @@ -3240,9 +3847,39 @@ class AnnotationEditor { this.parent.setActiveEditor(null); } } + + setAspectRatio(width, height) { + this.#keepAspectRatio = true; + const aspectRatio = width / height; + const { + style + } = this.div; + style.aspectRatio = aspectRatio; + style.height = "auto"; + } + + static get MIN_SIZE() { + return 16; + } } exports.AnnotationEditor = AnnotationEditor; + class FakeEditor extends AnnotationEditor { + constructor(params) { + super(params); + this.annotationElementId = params.annotationElementId; + this.deleted = true; + } + + serialize() { + return { + id: this.annotationElementId, + deleted: true, + pageIndex: this.pageIndex + }; + } + } + /***/ }), /* 5 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { @@ -3271,6 +3908,141 @@ class IdManager { return `${_util.AnnotationEditorPrefix}${this.#id++}`; } } + + class ImageManager { + #baseId = (0, _util.getUuid)(); + #id = 0; + #cache = null; + + static get _isSVGFittingCanvas() { + const svg = `data:image/svg+xml;charset=UTF-8,`; + const canvas = new OffscreenCanvas(1, 3); + const ctx = canvas.getContext("2d"); + const image = new Image(); + image.src = svg; + const promise = image.decode().then(() => { + ctx.drawImage(image, 0, 0, 1, 1, 0, 0, 1, 3); + return new Uint32Array(ctx.getImageData(0, 0, 1, 1).data.buffer)[0] === 0; + }); + return (0, _util.shadow)(this, "_isSVGFittingCanvas", promise); + } + + async #get(key, rawData) { + this.#cache ||= new Map(); + let data = this.#cache.get(key); + if (data === null) { + return null; + } + if (data?.bitmap) { + data.refCounter += 1; + return data; + } + try { + data ||= { + bitmap: null, + id: `image_${this.#baseId}_${this.#id++}`, + refCounter: 0, + isSvg: false + }; + let image; + if (typeof rawData === "string") { + data.url = rawData; + const response = await fetch(rawData); + if (!response.ok) { + throw new Error(response.statusText); + } + image = await response.blob(); + } else { + image = data.file = rawData; + } + if (image.type === "image/svg+xml") { + const mustRemoveAspectRatioPromise = ImageManager._isSVGFittingCanvas; + const fileReader = new FileReader(); + const imageElement = new Image(); + const imagePromise = new Promise((resolve, reject) => { + imageElement.onload = () => { + data.bitmap = imageElement; + data.isSvg = true; + resolve(); + }; + fileReader.onload = async () => { + const url = data.svgUrl = fileReader.result; + imageElement.src = (await mustRemoveAspectRatioPromise) ? `${url}#svgView(preserveAspectRatio(none))` : url; + }; + imageElement.onerror = fileReader.onerror = reject; + }); + fileReader.readAsDataURL(image); + await imagePromise; + } else { + data.bitmap = await createImageBitmap(image); + } + data.refCounter = 1; + } catch (e) { + console.error(e); + data = null; + } + this.#cache.set(key, data); + if (data) { + this.#cache.set(data.id, data); + } + return data; + } + + async getFromFile(file) { + const { + lastModified, + name, + size, + type + } = file; + return this.#get(`${lastModified}_${name}_${size}_${type}`, file); + } + + async getFromUrl(url) { + return this.#get(url, url); + } + + async getFromId(id) { + this.#cache ||= new Map(); + const data = this.#cache.get(id); + if (!data) { + return null; + } + if (data.bitmap) { + data.refCounter += 1; + return data; + } + if (data.file) { + return this.getFromFile(data.file); + } + return this.getFromUrl(data.url); + } + + getSvgUrl(id) { + const data = this.#cache.get(id); + if (!data?.isSvg) { + return null; + } + return data.svgUrl; + } + + deleteId(id) { + this.#cache ||= new Map(); + const data = this.#cache.get(id); + if (!data) { + return; + } + data.refCounter -= 1; + if (data.refCounter !== 0) { + return; + } + data.bitmap = null; + } + + isValidId(id) { + return id.startsWith(`image_${this.#baseId}_`); + } + } class CommandManager { #commands = []; #locked = false; @@ -3360,14 +4132,20 @@ class KeyboardManager { const { isMac } = _util.FeatureTest.platform; - for (const [keys, callback] of callbacks) { + for (const [keys, callback, options = {}] of callbacks) { for (const key of keys) { const isMacKey = key.startsWith("mac+"); if (isMac && isMacKey) { - this.callbacks.set(key.slice(4), callback); + this.callbacks.set(key.slice(4), { + callback, + options + }); this.allKeys.add(key.split("+").at(-1)); } else if (!isMac && !isMacKey) { - this.callbacks.set(key, callback); + this.callbacks.set(key, { + callback, + options + }); this.allKeys.add(key.split("+").at(-1)); } } @@ -3395,13 +4173,26 @@ class KeyboardManager { if (!this.allKeys.has(event.key)) { return; } - const callback = this.callbacks.get(this.#serialize(event)); - if (!callback) { + const info = this.callbacks.get(this.#serialize(event)); + if (!info) { return; } - callback.bind(self)(); - event.stopPropagation(); - event.preventDefault(); + const { + callback, + options: { + bubbles = false, + args = [], + checker = null + } + } = info; + if (checker && !checker(self, event)) { + return; + } + callback.bind(self, ...args)(); + if (!bubbles) { + event.stopPropagation(); + event.preventDefault(); + } } } exports.KeyboardManager = KeyboardManager; @@ -3437,16 +4228,24 @@ class AnnotationEditorUIManager { #activeEditor = null; #allEditors = new Map(); #allLayers = new Map(); + #altTextManager = null; #annotationStorage = null; #commandManager = new CommandManager(); #currentPageIndex = 0; + #deletedAnnotationsElementIds = new Set(); + #draggingEditors = null; #editorTypes = null; #editorsToRescale = new Set(); - #eventBus = null; + #filterFactory = null; #idManager = new IdManager(); #isEnabled = false; + #isWaiting = false; + #lastActiveElement = null; #mode = _util.AnnotationEditorType.NONE; #selectedEditors = new Set(); + #pageColors = null; + #boundBlur = this.blur.bind(this); + #boundFocus = this.focus.bind(this); #boundCopy = this.copy.bind(this); #boundCut = this.cut.bind(this); #boundPaste = this.paste.bind(this); @@ -3462,16 +4261,62 @@ class AnnotationEditorUIManager { hasSomethingToRedo: false, hasSelectedEditor: false }; + #translation = [0, 0]; + #translationTimeoutId = null; #container = null; - static _keyboardManager = new KeyboardManager([[["ctrl+a", "mac+meta+a"], AnnotationEditorUIManager.prototype.selectAll], [["ctrl+z", "mac+meta+z"], AnnotationEditorUIManager.prototype.undo], [["ctrl+y", "ctrl+shift+Z", "mac+meta+shift+Z"], AnnotationEditorUIManager.prototype.redo], [["Backspace", "alt+Backspace", "ctrl+Backspace", "shift+Backspace", "mac+Backspace", "mac+alt+Backspace", "mac+ctrl+Backspace", "Delete", "ctrl+Delete", "shift+Delete"], AnnotationEditorUIManager.prototype.delete], [["Escape", "mac+Escape"], AnnotationEditorUIManager.prototype.unselectAll]]); - constructor(container, eventBus, annotationStorage) { + #viewer = null; + static TRANSLATE_SMALL = 1; + static TRANSLATE_BIG = 10; + + static get _keyboardManager() { + const proto = AnnotationEditorUIManager.prototype; + const arrowChecker = self => { + const { + activeElement + } = document; + return activeElement && self.#container.contains(activeElement) && self.hasSomethingToControl(); + }; + const small = this.TRANSLATE_SMALL; + const big = this.TRANSLATE_BIG; + return (0, _util.shadow)(this, "_keyboardManager", new KeyboardManager([[["ctrl+a", "mac+meta+a"], proto.selectAll], [["ctrl+z", "mac+meta+z"], proto.undo], [["ctrl+y", "ctrl+shift+z", "mac+meta+shift+z", "ctrl+shift+Z", "mac+meta+shift+Z"], proto.redo], [["Backspace", "alt+Backspace", "ctrl+Backspace", "shift+Backspace", "mac+Backspace", "mac+alt+Backspace", "mac+ctrl+Backspace", "Delete", "ctrl+Delete", "shift+Delete", "mac+Delete"], proto.delete], [["Escape", "mac+Escape"], proto.unselectAll], [["ArrowLeft", "mac+ArrowLeft"], proto.translateSelectedEditors, { + args: [-small, 0], + checker: arrowChecker + }], [["ctrl+ArrowLeft", "mac+shift+ArrowLeft"], proto.translateSelectedEditors, { + args: [-big, 0], + checker: arrowChecker + }], [["ArrowRight", "mac+ArrowRight"], proto.translateSelectedEditors, { + args: [small, 0], + checker: arrowChecker + }], [["ctrl+ArrowRight", "mac+shift+ArrowRight"], proto.translateSelectedEditors, { + args: [big, 0], + checker: arrowChecker + }], [["ArrowUp", "mac+ArrowUp"], proto.translateSelectedEditors, { + args: [0, -small], + checker: arrowChecker + }], [["ctrl+ArrowUp", "mac+shift+ArrowUp"], proto.translateSelectedEditors, { + args: [0, -big], + checker: arrowChecker + }], [["ArrowDown", "mac+ArrowDown"], proto.translateSelectedEditors, { + args: [0, small], + checker: arrowChecker + }], [["ctrl+ArrowDown", "mac+shift+ArrowDown"], proto.translateSelectedEditors, { + args: [0, big], + checker: arrowChecker + }]])); + } + + constructor(container, viewer, altTextManager, eventBus, pdfDocument, pageColors) { this.#container = container; - this.#eventBus = eventBus; - this.#eventBus._on("editingaction", this.#boundOnEditingAction); - this.#eventBus._on("pagechanging", this.#boundOnPageChanging); - this.#eventBus._on("scalechanging", this.#boundOnScaleChanging); - this.#eventBus._on("rotationchanging", this.#boundOnRotationChanging); - this.#annotationStorage = annotationStorage; + this.#viewer = viewer; + this.#altTextManager = altTextManager; + this._eventBus = eventBus; + this._eventBus._on("editingaction", this.#boundOnEditingAction); + this._eventBus._on("pagechanging", this.#boundOnPageChanging); + this._eventBus._on("scalechanging", this.#boundOnScaleChanging); + this._eventBus._on("rotationchanging", this.#boundOnRotationChanging); + this.#annotationStorage = pdfDocument.annotationStorage; + this.#filterFactory = pdfDocument.filterFactory; + this.#pageColors = pageColors; this.viewParameters = { realScale: _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS, rotation: 0 @@ -3479,10 +4324,11 @@ class AnnotationEditorUIManager { } destroy() { this.#removeKeyboardManager(); - this.#eventBus._off("editingaction", this.#boundOnEditingAction); - this.#eventBus._off("pagechanging", this.#boundOnPageChanging); - this.#eventBus._off("scalechanging", this.#boundOnScaleChanging); - this.#eventBus._off("rotationchanging", this.#boundOnRotationChanging); + this.#removeFocusManager(); + this._eventBus._off("editingaction", this.#boundOnEditingAction); + this._eventBus._off("pagechanging", this.#boundOnPageChanging); + this._eventBus._off("scalechanging", this.#boundOnScaleChanging); + this._eventBus._off("rotationchanging", this.#boundOnRotationChanging); for (const layer of this.#allLayers.values()) { layer.destroy(); } @@ -3492,6 +4338,19 @@ class AnnotationEditorUIManager { this.#activeEditor = null; this.#selectedEditors.clear(); this.#commandManager.destroy(); + this.#altTextManager.destroy(); + } + + get hcmFilter() { + return (0, _util.shadow)(this, "hcmFilter", this.#pageColors ? this.#filterFactory.addHCMFilter(this.#pageColors.foreground, this.#pageColors.background) : "none"); + } + + get direction() { + return (0, _util.shadow)(this, "direction", getComputedStyle(this.#container).direction); + } + + editAltText(editor) { + this.#altTextManager?.editAltText(this, editor); } onPageChanging({ pageNumber @@ -3501,6 +4360,25 @@ class AnnotationEditorUIManager { focusMainContainer() { this.#container.focus(); } + + findParent(x, y) { + for (const layer of this.#allLayers.values()) { + const { + x: layerX, + y: layerY, + width, + height + } = layer.div.getBoundingClientRect(); + if (x >= layerX && x <= layerX + width && y >= layerY && y <= layerY + height) { + return layer; + } + } + return null; + } + + disableUserSelect(value = false) { + this.#viewer.classList.toggle("noUserSelect", value); + } addShouldRescale(editor) { this.#editorsToRescale.add(editor); } @@ -3527,11 +4405,55 @@ class AnnotationEditorUIManager { this.#annotationStorage.setValue(editor.id, editor); } } + + #addFocusManager() { + window.addEventListener("focus", this.#boundFocus); + window.addEventListener("blur", this.#boundBlur); + } + + #removeFocusManager() { + window.removeEventListener("focus", this.#boundFocus); + window.removeEventListener("blur", this.#boundBlur); + } + + blur() { + if (!this.hasSelection) { + return; + } + const { + activeElement + } = document; + for (const editor of this.#selectedEditors) { + if (editor.div.contains(activeElement)) { + this.#lastActiveElement = [editor, activeElement]; + editor._focusEventsAllowed = false; + break; + } + } + } + + focus() { + if (!this.#lastActiveElement) { + return; + } + const [lastEditor, lastActiveElement] = this.#lastActiveElement; + this.#lastActiveElement = null; + lastActiveElement.addEventListener("focusin", () => { + lastEditor._focusEventsAllowed = true; + }, { + once: true + }); + lastActiveElement.focus(); + } #addKeyboardManager() { - this.#container.addEventListener("keydown", this.#boundKeydown); + window.addEventListener("keydown", this.#boundKeydown, { + capture: true + }); } #removeKeyboardManager() { - this.#container.removeEventListener("keydown", this.#boundKeydown); + window.removeEventListener("keydown", this.#boundKeydown, { + capture: true + }); } #addCopyPasteListeners() { document.addEventListener("copy", this.#boundCopy); @@ -3543,18 +4465,27 @@ class AnnotationEditorUIManager { document.removeEventListener("cut", this.#boundCut); document.removeEventListener("paste", this.#boundPaste); } + + addEditListeners() { + this.#addKeyboardManager(); + this.#addCopyPasteListeners(); + } + + removeEditListeners() { + this.#removeKeyboardManager(); + this.#removeCopyPasteListeners(); + } copy(event) { event.preventDefault(); - if (this.#activeEditor) { - this.#activeEditor.commitOrRemove(); - } + this.#activeEditor?.commitOrRemove(); if (!this.hasSelection) { return; } const editors = []; for (const editor of this.#selectedEditors) { - if (!editor.isEmpty()) { - editors.push(editor.serialize()); + const serialized = editor.serialize(true); + if (serialized) { + editors.push(serialized); } } if (editors.length === 0) { @@ -3568,7 +4499,18 @@ class AnnotationEditorUIManager { } paste(event) { event.preventDefault(); - let data = event.clipboardData.getData("application/pdfjs"); + const { + clipboardData + } = event; + for (const item of clipboardData.items) { + for (const editorType of this.#editorTypes) { + if (editorType.isHandlingMimeForPasting(item.type)) { + editorType.paste(item, this.currentLayer); + return; + } + } + } + let data = clipboardData.getData("application/pdfjs"); if (!data) { return; } @@ -3582,7 +4524,7 @@ class AnnotationEditorUIManager { return; } this.unselectAll(); - const layer = this.#allLayers.get(this.#currentPageIndex); + const layer = this.currentLayer; try { const newEditors = []; for (const editor of data) { @@ -3625,20 +4567,21 @@ class AnnotationEditorUIManager { #dispatchUpdateStates(details) { const hasChanged = Object.entries(details).some(([key, value]) => this.#previousStates[key] !== value); if (hasChanged) { - this.#eventBus.dispatch("annotationeditorstateschanged", { + this._eventBus.dispatch("annotationeditorstateschanged", { source: this, details: Object.assign(this.#previousStates, details) }); } } #dispatchUpdateUI(details) { - this.#eventBus.dispatch("annotationeditorparamschanged", { + this._eventBus.dispatch("annotationeditorparamschanged", { source: this, details }); } setEditingState(isEditing) { if (isEditing) { + this.#addFocusManager(); this.#addKeyboardManager(); this.#addCopyPasteListeners(); this.#dispatchUpdateStates({ @@ -3649,11 +4592,13 @@ class AnnotationEditorUIManager { hasSelectedEditor: false }); } else { + this.#removeFocusManager(); this.#removeKeyboardManager(); this.#removeCopyPasteListeners(); this.#dispatchUpdateStates({ isEditing: false }); + this.disableUserSelect(false); } } registerEditorTypes(types) { @@ -3671,6 +4616,10 @@ class AnnotationEditorUIManager { get currentLayer() { return this.#allLayers.get(this.#currentPageIndex); } + + getLayer(pageIndex) { + return this.#allLayers.get(pageIndex); + } get currentPageIndex() { return this.#currentPageIndex; } @@ -3685,16 +4634,31 @@ class AnnotationEditorUIManager { removeLayer(layer) { this.#allLayers.delete(layer.pageIndex); } - updateMode(mode) { + + updateMode(mode, editId = null) { + if (this.#mode === mode) { + return; + } this.#mode = mode; if (mode === _util.AnnotationEditorType.NONE) { this.setEditingState(false); this.#disableAll(); - } else { - this.setEditingState(true); - this.#enableAll(); - for (const layer of this.#allLayers.values()) { - layer.updateMode(mode); + return; + } + this.setEditingState(true); + this.#enableAll(); + this.unselectAll(); + for (const layer of this.#allLayers.values()) { + layer.updateMode(mode); + } + if (!editId) { + return; + } + for (const editor of this.#allEditors.values()) { + if (editor.annotationElementId === editId) { + this.setSelected(editor); + editor.enterInEditMode(); + break; } } } @@ -3702,7 +4666,7 @@ class AnnotationEditorUIManager { if (mode === this.#mode) { return; } - this.#eventBus.dispatch("switchannotationeditormode", { + this._eventBus.dispatch("switchannotationeditormode", { source: this, mode }); @@ -3710,6 +4674,10 @@ class AnnotationEditorUIManager { updateParams(type, value) { if (!this.#editorTypes) { return; + } + if (type === _util.AnnotationEditorParamsType.CREATE) { + this.currentLayer.addNewEditor(type); + return; } for (const editor of this.#selectedEditors) { editor.updateParams(type, value); @@ -3718,6 +4686,21 @@ class AnnotationEditorUIManager { editorType.updateDefaultParams(type, value); } } + + enableWaiting(mustWait = false) { + if (this.#isWaiting === mustWait) { + return; + } + this.#isWaiting = mustWait; + for (const layer of this.#allLayers.values()) { + if (mustWait) { + layer.disableClick(); + } else { + layer.enableClick(); + } + layer.div.classList.toggle("waiting", mustWait); + } + } #enableAll() { if (!this.#isEnabled) { this.#isEnabled = true; @@ -3753,7 +4736,23 @@ class AnnotationEditorUIManager { removeEditor(editor) { this.#allEditors.delete(editor.id); this.unselect(editor); - this.#annotationStorage?.remove(editor.id); + if (!editor.annotationElementId || !this.#deletedAnnotationsElementIds.has(editor.annotationElementId)) { + this.#annotationStorage?.remove(editor.id); + } + } + + addDeletedAnnotationElement(editor) { + this.#deletedAnnotationsElementIds.add(editor.annotationElementId); + editor.deleted = true; + } + + isDeletedAnnotationElement(annotationElementId) { + return this.#deletedAnnotationsElementIds.has(annotationElementId); + } + + removeDeletedAnnotationElement(editor) { + this.#deletedAnnotationsElementIds.delete(editor.annotationElementId); + editor.deleted = false; } #addEditorToLayer(editor) { const layer = this.#allLayers.get(editor.pageIndex); @@ -3875,6 +4874,10 @@ class AnnotationEditorUIManager { commitOrRemove() { this.#activeEditor?.commitOrRemove(); } + + hasSomethingToControl() { + return this.#activeEditor || this.hasSelection; + } #selectEditors(editors) { this.#selectedEditors.clear(); for (const editor of editors) { @@ -3899,7 +4902,7 @@ class AnnotationEditorUIManager { this.#activeEditor.commitOrRemove(); return; } - if (this.#selectedEditors.size === 0) { + if (!this.hasSelection) { return; } for (const editor of this.#selectedEditors) { @@ -3910,6 +4913,147 @@ class AnnotationEditorUIManager { hasSelectedEditor: false }); } + + translateSelectedEditors(x, y, noCommit = false) { + if (!noCommit) { + this.commitOrRemove(); + } + if (!this.hasSelection) { + return; + } + this.#translation[0] += x; + this.#translation[1] += y; + const [totalX, totalY] = this.#translation; + const editors = [...this.#selectedEditors]; + const TIME_TO_WAIT = 1000; + if (this.#translationTimeoutId) { + clearTimeout(this.#translationTimeoutId); + } + this.#translationTimeoutId = setTimeout(() => { + this.#translationTimeoutId = null; + this.#translation[0] = this.#translation[1] = 0; + this.addCommands({ + cmd: () => { + for (const editor of editors) { + if (this.#allEditors.has(editor.id)) { + editor.translateInPage(totalX, totalY); + } + } + }, + undo: () => { + for (const editor of editors) { + if (this.#allEditors.has(editor.id)) { + editor.translateInPage(-totalX, -totalY); + } + } + }, + mustExec: false + }); + }, TIME_TO_WAIT); + for (const editor of editors) { + editor.translateInPage(x, y); + } + } + + setUpDragSession() { + if (!this.hasSelection) { + return; + } + this.disableUserSelect(true); + this.#draggingEditors = new Map(); + for (const editor of this.#selectedEditors) { + this.#draggingEditors.set(editor, { + savedX: editor.x, + savedY: editor.y, + savedPageIndex: editor.pageIndex, + newX: 0, + newY: 0, + newPageIndex: -1 + }); + } + } + + endDragSession() { + if (!this.#draggingEditors) { + return false; + } + this.disableUserSelect(false); + const map = this.#draggingEditors; + this.#draggingEditors = null; + let mustBeAddedInUndoStack = false; + for (const [{ + x, + y, + pageIndex + }, value] of map) { + value.newX = x; + value.newY = y; + value.newPageIndex = pageIndex; + mustBeAddedInUndoStack ||= x !== value.savedX || y !== value.savedY || pageIndex !== value.savedPageIndex; + } + if (!mustBeAddedInUndoStack) { + return false; + } + const move = (editor, x, y, pageIndex) => { + if (this.#allEditors.has(editor.id)) { + const parent = this.#allLayers.get(pageIndex); + if (parent) { + editor._setParentAndPosition(parent, x, y); + } else { + editor.pageIndex = pageIndex; + editor.x = x; + editor.y = y; + } + } + }; + this.addCommands({ + cmd: () => { + for (const [editor, { + newX, + newY, + newPageIndex + }] of map) { + move(editor, newX, newY, newPageIndex); + } + }, + undo: () => { + for (const [editor, { + savedX, + savedY, + savedPageIndex + }] of map) { + move(editor, savedX, savedY, savedPageIndex); + } + }, + mustExec: true + }); + return true; + } + + dragSelectedEditors(tx, ty) { + if (!this.#draggingEditors) { + return; + } + for (const editor of this.#draggingEditors.keys()) { + editor.drag(tx, ty); + } + } + + rebuild(editor) { + if (editor.parent === null) { + const parent = this.getLayer(editor.pageIndex); + if (parent) { + parent.changeParent(editor); + parent.addOrRebuild(editor); + } else { + this.addEditor(editor); + this.addToAnnotationStorage(editor); + editor.rebuild(); + } + } else { + editor.parent.addOrRebuild(editor); + } + } isActive(editor) { return this.#activeEditor === editor; } @@ -3919,6 +5063,10 @@ class AnnotationEditorUIManager { getMode() { return this.#mode; } + + get imageManager() { + return (0, _util.shadow)(this, "imageManager", new ImageManager()); + } } exports.AnnotationEditorUIManager = AnnotationEditorUIManager; @@ -3931,7 +5079,7 @@ exports.AnnotationEditorUIManager = AnnotationEditorUIManager; Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.StatTimer = exports.RenderingCancelledException = exports.PixelsPerInch = exports.PageViewport = exports.PDFDateString = exports.DOMStandardFontDataFactory = exports.DOMSVGFactory = exports.DOMCanvasFactory = exports.DOMCMapReaderFactory = exports.AnnotationPrefix = void 0; + exports.StatTimer = exports.RenderingCancelledException = exports.PixelsPerInch = exports.PageViewport = exports.PDFDateString = exports.DOMStandardFontDataFactory = exports.DOMSVGFactory = exports.DOMFilterFactory = exports.DOMCanvasFactory = exports.DOMCMapReaderFactory = void 0; exports.deprecated = deprecated; exports.getColorValues = getColorValues; exports.getCurrentTransform = getCurrentTransform; @@ -3944,18 +5092,253 @@ exports.isDataScheme = isDataScheme; exports.isPdfFile = isPdfFile; exports.isValidFetchUrl = isValidFetchUrl; exports.loadScript = loadScript; + exports.noContextMenu = noContextMenu; exports.setLayerDimensions = setLayerDimensions; var _base_factory = __w_pdfjs_require__(7); var _util = __w_pdfjs_require__(1); const SVG_NS = "http://www.w3.org/2000/svg"; -const AnnotationPrefix = "pdfjs_internal_id_"; -exports.AnnotationPrefix = AnnotationPrefix; class PixelsPerInch { static CSS = 96.0; static PDF = 72.0; static PDF_TO_CSS_UNITS = this.CSS / this.PDF; } exports.PixelsPerInch = PixelsPerInch; + + class DOMFilterFactory extends _base_factory.BaseFilterFactory { + #_cache; + #_defs; + #docId; + #document; + #hcmFilter; + #hcmKey; + #hcmUrl; + #hcmHighlightFilter; + #hcmHighlightKey; + #hcmHighlightUrl; + #id = 0; + + constructor({ + docId, + ownerDocument = globalThis.document + } = {}) { + super(); + this.#docId = docId; + this.#document = ownerDocument; + } + + get #cache() { + return this.#_cache ||= new Map(); + } + + get #defs() { + if (!this.#_defs) { + const div = this.#document.createElement("div"); + const { + style + } = div; + style.visibility = "hidden"; + style.contain = "strict"; + style.width = style.height = 0; + style.position = "absolute"; + style.top = style.left = 0; + style.zIndex = -1; + const svg = this.#document.createElementNS(SVG_NS, "svg"); + svg.setAttribute("width", 0); + svg.setAttribute("height", 0); + this.#_defs = this.#document.createElementNS(SVG_NS, "defs"); + div.append(svg); + svg.append(this.#_defs); + this.#document.body.append(div); + } + return this.#_defs; + } + + addFilter(maps) { + if (!maps) { + return "none"; + } + let value = this.#cache.get(maps); + if (value) { + return value; + } + let tableR, tableG, tableB, key; + if (maps.length === 1) { + const mapR = maps[0]; + const buffer = new Array(256); + for (let i = 0; i < 256; i++) { + buffer[i] = mapR[i] / 255; + } + key = tableR = tableG = tableB = buffer.join(","); + } else { + const [mapR, mapG, mapB] = maps; + const bufferR = new Array(256); + const bufferG = new Array(256); + const bufferB = new Array(256); + for (let i = 0; i < 256; i++) { + bufferR[i] = mapR[i] / 255; + bufferG[i] = mapG[i] / 255; + bufferB[i] = mapB[i] / 255; + } + tableR = bufferR.join(","); + tableG = bufferG.join(","); + tableB = bufferB.join(","); + key = `${tableR}${tableG}${tableB}`; + } + value = this.#cache.get(key); + if (value) { + this.#cache.set(maps, value); + return value; + } + const id = `g_${this.#docId}_transfer_map_${this.#id++}`; + const url = `url(#${id})`; + this.#cache.set(maps, url); + this.#cache.set(key, url); + const filter = this.#createFilter(id); + this.#addTransferMapConversion(tableR, tableG, tableB, filter); + return url; + } + + addHCMFilter(fgColor, bgColor) { + const key = `${fgColor}-${bgColor}`; + if (this.#hcmKey === key) { + return this.#hcmUrl; + } + this.#hcmKey = key; + this.#hcmUrl = "none"; + this.#hcmFilter?.remove(); + if (!fgColor || !bgColor) { + return this.#hcmUrl; + } + const fgRGB = this.#getRGB(fgColor); + fgColor = _util.Util.makeHexColor(...fgRGB); + const bgRGB = this.#getRGB(bgColor); + bgColor = _util.Util.makeHexColor(...bgRGB); + this.#defs.style.color = ""; + if (fgColor === "#000000" && bgColor === "#ffffff" || fgColor === bgColor) { + return this.#hcmUrl; + } + const map = new Array(256); + for (let i = 0; i <= 255; i++) { + const x = i / 255; + map[i] = x <= 0.03928 ? x / 12.92 : ((x + 0.055) / 1.055) ** 2.4; + } + const table = map.join(","); + const id = `g_${this.#docId}_hcm_filter`; + const filter = this.#hcmHighlightFilter = this.#createFilter(id); + this.#addTransferMapConversion(table, table, table, filter); + this.#addGrayConversion(filter); + const getSteps = (c, n) => { + const start = fgRGB[c] / 255; + const end = bgRGB[c] / 255; + const arr = new Array(n + 1); + for (let i = 0; i <= n; i++) { + arr[i] = start + i / n * (end - start); + } + return arr.join(","); + }; + this.#addTransferMapConversion(getSteps(0, 5), getSteps(1, 5), getSteps(2, 5), filter); + this.#hcmUrl = `url(#${id})`; + return this.#hcmUrl; + } + + addHighlightHCMFilter(fgColor, bgColor, newFgColor, newBgColor) { + const key = `${fgColor}-${bgColor}-${newFgColor}-${newBgColor}`; + if (this.#hcmHighlightKey === key) { + return this.#hcmHighlightUrl; + } + this.#hcmHighlightKey = key; + this.#hcmHighlightUrl = "none"; + this.#hcmHighlightFilter?.remove(); + if (!fgColor || !bgColor) { + return this.#hcmHighlightUrl; + } + const [fgRGB, bgRGB] = [fgColor, bgColor].map(this.#getRGB.bind(this)); + let fgGray = Math.round(0.2126 * fgRGB[0] + 0.7152 * fgRGB[1] + 0.0722 * fgRGB[2]); + let bgGray = Math.round(0.2126 * bgRGB[0] + 0.7152 * bgRGB[1] + 0.0722 * bgRGB[2]); + let [newFgRGB, newBgRGB] = [newFgColor, newBgColor].map(this.#getRGB.bind(this)); + if (bgGray < fgGray) { + [fgGray, bgGray, newFgRGB, newBgRGB] = [bgGray, fgGray, newBgRGB, newFgRGB]; + } + this.#defs.style.color = ""; + const getSteps = (fg, bg, n) => { + const arr = new Array(256); + const step = (bgGray - fgGray) / n; + const newStart = fg / 255; + const newStep = (bg - fg) / (255 * n); + let prev = 0; + for (let i = 0; i <= n; i++) { + const k = Math.round(fgGray + i * step); + const value = newStart + i * newStep; + for (let j = prev; j <= k; j++) { + arr[j] = value; + } + prev = k + 1; + } + for (let i = prev; i < 256; i++) { + arr[i] = arr[prev - 1]; + } + return arr.join(","); + }; + const id = `g_${this.#docId}_hcm_highlight_filter`; + const filter = this.#hcmHighlightFilter = this.#createFilter(id); + this.#addGrayConversion(filter); + this.#addTransferMapConversion(getSteps(newFgRGB[0], newBgRGB[0], 5), getSteps(newFgRGB[1], newBgRGB[1], 5), getSteps(newFgRGB[2], newBgRGB[2], 5), filter); + this.#hcmHighlightUrl = `url(#${id})`; + return this.#hcmHighlightUrl; + } + + destroy(keepHCM = false) { + if (keepHCM && (this.#hcmUrl || this.#hcmHighlightUrl)) { + return; + } + if (this.#_defs) { + this.#_defs.parentNode.parentNode.remove(); + this.#_defs = null; + } + if (this.#_cache) { + this.#_cache.clear(); + this.#_cache = null; + } + this.#id = 0; + } + + #addGrayConversion(filter) { + const feColorMatrix = this.#document.createElementNS(SVG_NS, "feColorMatrix"); + feColorMatrix.setAttribute("type", "matrix"); + feColorMatrix.setAttribute("values", "0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0 0 0 1 0"); + filter.append(feColorMatrix); + } + + #createFilter(id) { + const filter = this.#document.createElementNS(SVG_NS, "filter"); + filter.setAttribute("color-interpolation-filters", "sRGB"); + filter.setAttribute("id", id); + this.#defs.append(filter); + return filter; + } + + #appendFeFunc(feComponentTransfer, func, table) { + const feFunc = this.#document.createElementNS(SVG_NS, func); + feFunc.setAttribute("type", "discrete"); + feFunc.setAttribute("tableValues", table); + feComponentTransfer.append(feFunc); + } + + #addTransferMapConversion(rTable, gTable, bTable, filter) { + const feComponentTransfer = this.#document.createElementNS(SVG_NS, "feComponentTransfer"); + filter.append(feComponentTransfer); + this.#appendFeFunc(feComponentTransfer, "feFuncR", rTable); + this.#appendFeFunc(feComponentTransfer, "feFuncG", gTable); + this.#appendFeFunc(feComponentTransfer, "feFuncB", bTable); + } + + #getRGB(color) { + this.#defs.style.color = color; + return getRGB(getComputedStyle(this.#defs).getPropertyValue("color")); + } + } + + exports.DOMFilterFactory = DOMFilterFactory; class DOMCanvasFactory extends _base_factory.BaseCanvasFactory { constructor({ ownerDocument = globalThis.document @@ -4140,9 +5523,8 @@ class PageViewport { } exports.PageViewport = PageViewport; class RenderingCancelledException extends _util.BaseException { - constructor(msg, type, extraDelay = 0) { + constructor(msg, extraDelay = 0) { super(msg, "RenderingCancelledException"); - this.type = type; this.extraDelay = extraDelay; } } @@ -4181,7 +5563,8 @@ function getPdfFilenameFromUrl(url, defaultFilename = "document.pdf") { if (suggestedFilename.includes("%")) { try { suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0]; - } catch (ex) {} + } catch { + } } } return suggestedFilename || defaultFilename; @@ -4231,10 +5614,14 @@ function isValidFetchUrl(url, baseUrl) { protocol } = baseUrl ? new URL(url, baseUrl) : new URL(url); return protocol === "http:" || protocol === "https:"; - } catch (ex) { + } catch { return false; } } + + function noContextMenu(e) { + e.preventDefault(); + } function loadScript(src, removeScriptElement = false) { return new Promise((resolve, reject) => { const script = document.createElement("script"); @@ -4260,9 +5647,7 @@ class PDFDateString { if (!input || typeof input !== "string") { return null; } - if (!pdfDateStringRegex) { - pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?"); - } + pdfDateStringRegex ||= new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?"); const matches = pdfDateStringRegex.exec(input); if (!matches) { return null; @@ -4365,8 +5750,11 @@ function setLayerDimensions(div, viewport, mustFlip = false, mustRotate = true) const { style } = div; - const widthStr = `calc(var(--scale-factor) * ${pageWidth}px)`; - const heightStr = `calc(var(--scale-factor) * ${pageHeight}px)`; + const useRound = _util.FeatureTest.isCSSRoundSupported; + const w = `var(--scale-factor) * ${pageWidth}px`, + h = `var(--scale-factor) * ${pageHeight}px`; + const widthStr = useRound ? `round(${w}, 1px)` : `calc(${w})`, + heightStr = useRound ? `round(${h}, 1px)` : `calc(${h})`; if (!mustFlip || viewport.rotation % 180 === 0) { style.width = widthStr; style.height = heightStr; @@ -4389,8 +5777,33 @@ function setLayerDimensions(div, viewport, mustFlip = false, mustRotate = true) Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.BaseStandardFontDataFactory = exports.BaseSVGFactory = exports.BaseCanvasFactory = exports.BaseCMapReaderFactory = void 0; + exports.BaseStandardFontDataFactory = exports.BaseSVGFactory = exports.BaseFilterFactory = exports.BaseCanvasFactory = exports.BaseCMapReaderFactory = void 0; var _util = __w_pdfjs_require__(1); + + class BaseFilterFactory { + constructor() { + if (this.constructor === BaseFilterFactory) { + (0, _util.unreachable)("Cannot initialize BaseFilterFactory."); + } + } + + addFilter(maps) { + return "none"; + } + + addHCMFilter(fgColor, bgColor) { + return "none"; + } + + addHighlightHCMFilter(fgColor, bgColor, newFgColor, newBgColor) { + return "none"; + } + + destroy(keepHCM = false) { + } + } + + exports.BaseFilterFactory = BaseFilterFactory; class BaseCanvasFactory { constructor() { if (this.constructor === BaseCanvasFactory) { @@ -4434,7 +5847,7 @@ exports.BaseCanvasFactory = BaseCanvasFactory; class BaseCMapReaderFactory { constructor({ baseUrl = null, - isCompressed = false + isCompressed = true }) { if (this.constructor === BaseCMapReaderFactory) { (0, _util.unreachable)("Cannot initialize BaseCMapReaderFactory."); @@ -4637,24 +6050,27 @@ Object.defineProperty(exports, "__esModule", ({ })); exports.FontLoader = exports.FontFaceObject = void 0; var _util = __w_pdfjs_require__(1); -var _is_node = __w_pdfjs_require__(10); class FontLoader { + #systemFonts = new Set(); constructor({ - onUnsupportedFeature, ownerDocument = globalThis.document, styleElement = null }) { - this._onUnsupportedFeature = onUnsupportedFeature; this._document = ownerDocument; - this.nativeFontFaces = []; + this.nativeFontFaces = new Set(); this.styleElement = null; this.loadingRequests = []; this.loadTestFontId = 0; } addNativeFontFace(nativeFontFace) { - this.nativeFontFaces.push(nativeFontFace); + this.nativeFontFaces.add(nativeFontFace); this._document.fonts.add(nativeFontFace); } + + removeNativeFontFace(nativeFontFace) { + this.nativeFontFaces.delete(nativeFontFace); + this._document.fonts.delete(nativeFontFace); + } insertRule(rule) { if (!this.styleElement) { this.styleElement = this._document.createElement("style"); @@ -4667,17 +6083,47 @@ class FontLoader { for (const nativeFontFace of this.nativeFontFaces) { this._document.fonts.delete(nativeFontFace); } - this.nativeFontFaces.length = 0; + this.nativeFontFaces.clear(); + this.#systemFonts.clear(); if (this.styleElement) { this.styleElement.remove(); this.styleElement = null; } } + + async loadSystemFont(info) { + if (!info || this.#systemFonts.has(info.loadedName)) { + return; + } + (0, _util.assert)(!this.disableFontFace, "loadSystemFont shouldn't be called when `disableFontFace` is set."); + if (this.isFontLoadingAPISupported) { + const { + loadedName, + src, + style + } = info; + const fontFace = new FontFace(loadedName, src, style); + this.addNativeFontFace(fontFace); + try { + await fontFace.load(); + this.#systemFonts.add(loadedName); + } catch { + (0, _util.warn)(`Cannot load system font: ${info.baseFontName}, installing it could help to improve PDF rendering.`); + this.removeNativeFontFace(fontFace); + } + return; + } + (0, _util.unreachable)("Not implemented: loadSystemFont without the Font Loading API."); + } async bind(font) { - if (font.attached || font.missingFile) { + if (font.attached || font.missingFile && !font.systemFontInfo) { return; } font.attached = true; + if (font.systemFontInfo) { + await this.loadSystemFont(font.systemFontInfo); + return; + } if (this.isFontLoadingAPISupported) { const nativeFontFace = font.createNativeFontFace(); if (nativeFontFace) { @@ -4685,9 +6131,6 @@ class FontLoader { try { await nativeFontFace.loaded; } catch (ex) { - this._onUnsupportedFeature({ - featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadNative - }); (0, _util.warn)(`Failed to load font '${nativeFontFace.family}': '${ex}'.`); font.disableFontFace = true; throw ex; @@ -4713,7 +6156,7 @@ class FontLoader { } get isSyncFontLoadingSupported() { let supported = false; - if (_is_node.isNodeJS) { + if (_util.isNodeJS) { supported = true; } else if (typeof navigator !== "undefined" && /Mozilla\/5.0.*?rv:\d+.*? Gecko/.test(navigator.userAgent)) { supported = true; @@ -4815,8 +6258,7 @@ class FontFaceObject { isEvalSupported = true, disableFontFace = false, ignoreErrors = false, - onUnsupportedFeature, - fontRegistry = null + inspectFont = null }) { this.compiledGlyphs = Object.create(null); for (const i in translatedData) { @@ -4825,8 +6267,7 @@ class FontFaceObject { this.isEvalSupported = isEvalSupported !== false; this.disableFontFace = disableFontFace === true; this.ignoreErrors = ignoreErrors === true; - this._onUnsupportedFeature = onUnsupportedFeature; - this.fontRegistry = fontRegistry; + this._inspectFont = inspectFont; } createNativeFontFace() { if (!this.data || this.disableFontFace) { @@ -4844,7 +6285,7 @@ class FontFaceObject { } nativeFontFace = new FontFace(this.cssFontInfo.fontFamily, this.data, css); } - this.fontRegistry?.registerFont(this); + this._inspectFont?.(this); return nativeFontFace; } createFontFaceRule() { @@ -4863,7 +6304,7 @@ class FontFaceObject { } rule = `@font-face {font-family:"${this.cssFontInfo.fontFamily}";${css}src:${url}}`; } - this.fontRegistry?.registerFont(this, url); + this._inspectFont?.(this, url); return rule; } getPathGenerator(objs, character) { @@ -4877,9 +6318,6 @@ class FontFaceObject { if (!this.ignoreErrors) { throw ex; } - this._onUnsupportedFeature({ - featureId: _util.UNSUPPORTED_FEATURES.errorFontGetPath - }); (0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`); return this.compiledGlyphs[character] = function (c, size) {}; } @@ -4905,16 +6343,65 @@ exports.FontFaceObject = FontFaceObject; /***/ }), /* 10 */ -/***/ ((__unused_webpack_module, exports) => { + /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.isNodeJS = void 0; -const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser"); -exports.isNodeJS = isNodeJS; + exports.NodeStandardFontDataFactory = exports.NodeFilterFactory = exports.NodeCanvasFactory = exports.NodeCMapReaderFactory = void 0; + var _base_factory = __w_pdfjs_require__(7); + var _util = __w_pdfjs_require__(1); + ; + ; + const fetchData = function (url) { + return new Promise((resolve, reject) => { + const fs = require("fs"); + fs.readFile(url, (error, data) => { + if (error || !data) { + reject(new Error(error)); + return; + } + resolve(new Uint8Array(data)); + }); + }); + }; + + class NodeFilterFactory extends _base_factory.BaseFilterFactory { + } + + exports.NodeFilterFactory = NodeFilterFactory; + + class NodeCanvasFactory extends _base_factory.BaseCanvasFactory { + _createCanvas(width, height) { + const Canvas = require("canvas"); + return Canvas.createCanvas(width, height); + } + } + + exports.NodeCanvasFactory = NodeCanvasFactory; + + class NodeCMapReaderFactory extends _base_factory.BaseCMapReaderFactory { + _fetchData(url, compressionType) { + return fetchData(url).then(data => { + return { + cMapData: data, + compressionType + }; + }); + } + } + + exports.NodeCMapReaderFactory = NodeCMapReaderFactory; + + class NodeStandardFontDataFactory extends _base_factory.BaseStandardFontDataFactory { + _fetchData(url) { + return fetchData(url); + } + } + + exports.NodeStandardFontDataFactory = NodeStandardFontDataFactory; /***/ }), /* 11 */ @@ -5252,7 +6739,7 @@ class CanvasExtraState { this.strokeAlpha = 1; this.lineWidth = 1; this.activeSMask = null; - this.transferMaps = null; + this.transferMaps = "none"; this.startNewPathAndClipBox([0, 0, width, height]); } clone() { @@ -5331,7 +6818,8 @@ class CanvasExtraState { return _util.Util.intersect(this.clipBox, this.getPathBoundingBox(pathType, transform)); } } -function putBinaryImageData(ctx, imgData, transferMaps = null) { + + function putBinaryImageData(ctx, imgData) { if (typeof ImageData !== "undefined" && imgData instanceof ImageData) { ctx.putImageData(imgData, 0, 0); return; @@ -5347,35 +6835,13 @@ function putBinaryImageData(ctx, imgData, transferMaps = null) { const src = imgData.data; const dest = chunkImgData.data; let i, j, thisChunkHeight, elemsInThisChunk; - let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray; - if (transferMaps) { - switch (transferMaps.length) { - case 1: - transferMapRed = transferMaps[0]; - transferMapGreen = transferMaps[0]; - transferMapBlue = transferMaps[0]; - transferMapGray = transferMaps[0]; - break; - case 4: - transferMapRed = transferMaps[0]; - transferMapGreen = transferMaps[1]; - transferMapBlue = transferMaps[2]; - transferMapGray = transferMaps[3]; - break; - } - } if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) { const srcLength = src.byteLength; const dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2); const dest32DataLength = dest32.length; const fullSrcDiff = width + 7 >> 3; - let white = 0xffffffff; - let black = _util.FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff; - if (transferMapGray) { - if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) { - [white, black] = [black, white]; - } - } + const white = 0xffffffff; + const black = _util.FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff; for (i = 0; i < totalChunks; i++) { thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; destPos = 0; @@ -5412,48 +6878,20 @@ function putBinaryImageData(ctx, imgData, transferMaps = null) { ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); } } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) { - const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue); j = 0; elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4; for (i = 0; i < fullChunks; i++) { dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); srcPos += elemsInThisChunk; - if (hasTransferMaps) { - for (let k = 0; k < elemsInThisChunk; k += 4) { - if (transferMapRed) { - dest[k + 0] = transferMapRed[dest[k + 0]]; - } - if (transferMapGreen) { - dest[k + 1] = transferMapGreen[dest[k + 1]]; - } - if (transferMapBlue) { - dest[k + 2] = transferMapBlue[dest[k + 2]]; - } - } - } ctx.putImageData(chunkImgData, 0, j); j += FULL_CHUNK_HEIGHT; } if (i < totalChunks) { elemsInThisChunk = width * partialChunkHeight * 4; dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); - if (hasTransferMaps) { - for (let k = 0; k < elemsInThisChunk; k += 4) { - if (transferMapRed) { - dest[k + 0] = transferMapRed[dest[k + 0]]; - } - if (transferMapGreen) { - dest[k + 1] = transferMapGreen[dest[k + 1]]; - } - if (transferMapBlue) { - dest[k + 2] = transferMapBlue[dest[k + 2]]; - } - } - } ctx.putImageData(chunkImgData, 0, j); } } else if (imgData.kind === _util.ImageKind.RGB_24BPP) { - const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue); thisChunkHeight = FULL_CHUNK_HEIGHT; elemsInThisChunk = width * thisChunkHeight; for (i = 0; i < totalChunks; i++) { @@ -5468,19 +6906,6 @@ function putBinaryImageData(ctx, imgData, transferMaps = null) { dest[destPos++] = src[srcPos++]; dest[destPos++] = 255; } - if (hasTransferMaps) { - for (let k = 0; k < destPos; k += 4) { - if (transferMapRed) { - dest[k + 0] = transferMapRed[dest[k + 0]]; - } - if (transferMapGreen) { - dest[k + 1] = transferMapGreen[dest[k + 1]]; - } - if (transferMapBlue) { - dest[k + 2] = transferMapBlue[dest[k + 2]]; - } - } - } ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); } } else { @@ -5505,18 +6930,19 @@ function putBinaryImageMask(ctx, imgData) { const thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; ({ srcPos - } = (0, _image_utils.applyMaskImageData)({ + } = (0, _image_utils.convertBlackAndWhiteToRGBA)({ src, srcPos, dest, width, - height: thisChunkHeight + height: thisChunkHeight, + nonBlackColor: 0 })); ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); } } function copyCtxState(sourceCtx, destCtx) { - const properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font"]; + const properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font", "filter"]; for (const property of properties) { if (sourceCtx[property] !== undefined) { destCtx[property] = sourceCtx[property]; @@ -5527,8 +6953,9 @@ function copyCtxState(sourceCtx, destCtx) { destCtx.lineDashOffset = sourceCtx.lineDashOffset; } } -function resetCtxToDefault(ctx, foregroundColor) { - ctx.strokeStyle = ctx.fillStyle = foregroundColor || "#000000"; + + function resetCtxToDefault(ctx) { + ctx.strokeStyle = ctx.fillStyle = "#000000"; ctx.fillRule = "nonzero"; ctx.globalAlpha = 1; ctx.lineWidth = 1; @@ -5541,6 +6968,14 @@ function resetCtxToDefault(ctx, foregroundColor) { ctx.setLineDash([]); ctx.lineDashOffset = 0; } + if (!_util.isNodeJS) { + const { + filter + } = ctx; + if (filter !== "none" && filter !== "") { + ctx.filter = "none"; + } + } } function composeSMaskBackdrop(bytes, r0, g0, b0) { const length = bytes.length; @@ -5578,12 +7013,7 @@ function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop const r0 = hasBackdrop ? backdrop[0] : 0; const g0 = hasBackdrop ? backdrop[1] : 0; const b0 = hasBackdrop ? backdrop[2] : 0; - let composeFn; - if (subtype === "Luminosity") { - composeFn = composeSMaskLuminosity; - } else { - composeFn = composeSMaskAlpha; - } + const composeFn = subtype === "Luminosity" ? composeSMaskLuminosity : composeSMaskAlpha; const PIXELS_TO_PROCESS = 1048576; const chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width)); for (let row = 0; row < height; row += chunkSize) { @@ -5630,7 +7060,7 @@ const LINE_JOIN_STYLES = ["miter", "round", "bevel"]; const NORMAL_CLIP = {}; const EO_CLIP = {}; class CanvasGraphics { - constructor(canvasCtx, commonObjs, objs, canvasFactory, { + constructor(canvasCtx, commonObjs, objs, canvasFactory, filterFactory, { optionalContentConfig, markedContentStack = null }, annotationCanvasMap, pageColors) { @@ -5644,6 +7074,7 @@ class CanvasGraphics { this.commonObjs = commonObjs; this.objs = objs; this.canvasFactory = canvasFactory; + this.filterFactory = filterFactory; this.groupStack = []; this.processingType3 = null; this.baseTransform = null; @@ -5662,9 +7093,8 @@ class CanvasGraphics { this.viewportScale = 1; this.outputScaleX = 1; this.outputScaleY = 1; - this.backgroundColor = pageColors?.background || null; - this.foregroundColor = pageColors?.foreground || null; - this._cachedScaleForStroking = null; + this.pageColors = pageColors; + this._cachedScaleForStroking = [-1, 0]; this._cachedGetSinglePixelWidth = null; this._cachedBitmapsMap = new Map(); } @@ -5682,36 +7112,10 @@ class CanvasGraphics { }) { const width = this.ctx.canvas.width; const height = this.ctx.canvas.height; - const defaultBackgroundColor = background || "#ffffff"; - this.ctx.save(); - if (this.foregroundColor && this.backgroundColor) { - this.ctx.fillStyle = this.foregroundColor; - const fg = this.foregroundColor = this.ctx.fillStyle; - this.ctx.fillStyle = this.backgroundColor; - const bg = this.backgroundColor = this.ctx.fillStyle; - let isValidDefaultBg = true; - let defaultBg = defaultBackgroundColor; - this.ctx.fillStyle = defaultBackgroundColor; - defaultBg = this.ctx.fillStyle; - isValidDefaultBg = typeof defaultBg === "string" && /^#[0-9A-Fa-f]{6}$/.test(defaultBg); - if (fg === "#000000" && bg === "#ffffff" || fg === bg || !isValidDefaultBg) { - this.foregroundColor = this.backgroundColor = null; - } else { - const [rB, gB, bB] = (0, _display_utils.getRGB)(defaultBg); - const newComp = x => { - x /= 255; - return x <= 0.03928 ? x / 12.92 : ((x + 0.055) / 1.055) ** 2.4; - }; - const lumB = Math.round(0.2126 * newComp(rB) + 0.7152 * newComp(gB) + 0.0722 * newComp(bB)); - this.selectColor = (r, g, b) => { - const lumC = 0.2126 * newComp(r) + 0.7152 * newComp(g) + 0.0722 * newComp(b); - return Math.round(lumC) === lumB ? bg : fg; - }; - } - } - this.ctx.fillStyle = this.backgroundColor || defaultBackgroundColor; + const savedFillStyle = this.ctx.fillStyle; + this.ctx.fillStyle = background || "#ffffff"; this.ctx.fillRect(0, 0, width, height); - this.ctx.restore(); + this.ctx.fillStyle = savedFillStyle; if (transparency) { const transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height); this.compositeCtx = this.ctx; @@ -5721,7 +7125,7 @@ class CanvasGraphics { this.ctx.transform(...(0, _display_utils.getCurrentTransform)(this.compositeCtx)); } this.ctx.save(); - resetCtxToDefault(this.ctx, this.foregroundColor); + resetCtxToDefault(this.ctx); if (transform) { this.ctx.transform(...transform); this.outputScaleX = transform[0]; @@ -5802,6 +7206,19 @@ class CanvasGraphics { cache.clear(); } this._cachedBitmapsMap.clear(); + this.#drawFilter(); + } + + #drawFilter() { + if (this.pageColors) { + const hcmFilterId = this.filterFactory.addHCMFilter(this.pageColors.foreground, this.pageColors.background); + if (hcmFilterId !== "none") { + const savedFilter = this.ctx.filter; + this.ctx.filter = hcmFilterId; + this.ctx.drawImage(this.ctx.canvas, 0, 0); + this.ctx.filter = savedFilter; + } + } } _scaleImage(img, inverseTransform) { const width = img.width; @@ -5816,11 +7233,11 @@ class CanvasGraphics { let newWidth = paintWidth, newHeight = paintHeight; if (widthScale > 2 && paintWidth > 1) { - newWidth = Math.ceil(paintWidth / 2); + newWidth = paintWidth >= 16384 ? Math.floor(paintWidth / 2) - 1 || 1 : Math.ceil(paintWidth / 2); widthScale /= paintWidth / newWidth; } if (heightScale > 2 && paintHeight > 1) { - newHeight = Math.ceil(paintHeight / 2); + newHeight = paintHeight >= 16384 ? Math.floor(paintHeight / 2) - 1 || 1 : Math.ceil(paintHeight) / 2; heightScale /= paintHeight / newHeight; } tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight); @@ -5910,7 +7327,7 @@ class CanvasGraphics { } setLineWidth(width) { if (width !== this.current.lineWidth) { - this._cachedScaleForStroking = null; + this._cachedScaleForStroking[0] = -1; } this.current.lineWidth = width; this.ctx.lineWidth = width; @@ -5976,7 +7393,8 @@ class CanvasGraphics { this.checkSMaskState(); break; case "TR": - this.current.transferMaps = value; + this.ctx.filter = this.current.transferMaps = this.filterFactory.addFilter(value); + break; } } } @@ -6061,13 +7479,13 @@ class CanvasGraphics { } this.checkSMaskState(); this.pendingClip = null; - this._cachedScaleForStroking = null; + this._cachedScaleForStroking[0] = -1; this._cachedGetSinglePixelWidth = null; } } transform(a, b, c, d, e, f) { this.ctx.transform(a, b, c, d, e, f); - this._cachedScaleForStroking = null; + this._cachedScaleForStroking[0] = -1; this._cachedGetSinglePixelWidth = null; } constructPath(ops, args, minMax) { @@ -6296,6 +7714,7 @@ class CanvasGraphics { return; } const name = fontObj.loadedName || "sans-serif"; + const typeface = fontObj.systemFontInfo?.css || `"${name}", ${fontObj.fallbackName}`; let bold = "normal"; if (fontObj.black) { bold = "900"; @@ -6303,7 +7722,6 @@ class CanvasGraphics { bold = "bold"; } const italic = fontObj.italic ? "italic" : "normal"; - const typeface = `"${name}", ${fontObj.fallbackName}`; let browserFontSize = size; if (size < MIN_FONT_SIZE) { browserFontSize = MIN_FONT_SIZE; @@ -6373,7 +7791,7 @@ class CanvasGraphics { } } if (isAddToPathSet) { - const paths = this.pendingTextPaths || (this.pendingTextPaths = []); + const paths = this.pendingTextPaths ||= []; paths.push({ transform: (0, _display_utils.getCurrentTransform)(ctx), x, @@ -6514,12 +7932,7 @@ class CanvasGraphics { } } } - let charWidth; - if (vertical) { - charWidth = width * widthAdvanceScale - spacing * fontDirection; - } else { - charWidth = width * widthAdvanceScale + spacing * fontDirection; - } + const charWidth = vertical ? width * widthAdvanceScale - spacing * fontDirection : width * widthAdvanceScale + spacing * fontDirection; x += charWidth; if (restoreNeeded) { ctx.restore(); @@ -6551,7 +7964,7 @@ class CanvasGraphics { if (isTextInvisible || fontSize === 0) { return; } - this._cachedScaleForStroking = null; + this._cachedScaleForStroking[0] = -1; this._cachedGetSinglePixelWidth = null; ctx.save(); ctx.transform(...current.textMatrix); @@ -6600,7 +8013,7 @@ class CanvasGraphics { const baseTransform = this.baseTransform || (0, _display_utils.getCurrentTransform)(this.ctx); const canvasGraphicsFactory = { createCanvasGraphics: ctx => { - return new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory, { + return new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory, this.filterFactory, { optionalContentConfig: this.optionalContentConfig, markedContentStack: this.markedContentStack }); @@ -6620,12 +8033,12 @@ class CanvasGraphics { this.current.patternFill = true; } setStrokeRGBColor(r, g, b) { - const color = this.selectColor?.(r, g, b) || _util.Util.makeHexColor(r, g, b); + const color = _util.Util.makeHexColor(r, g, b); this.ctx.strokeStyle = color; this.current.strokeColor = color; } setFillRGBColor(r, g, b) { - const color = this.selectColor?.(r, g, b) || _util.Util.makeHexColor(r, g, b); + const color = _util.Util.makeHexColor(r, g, b); this.ctx.fillStyle = color; this.current.fillColor = color; this.current.patternFill = false; @@ -6635,7 +8048,7 @@ class CanvasGraphics { if (this.cachedPatterns.has(objId)) { pattern = this.cachedPatterns.get(objId); } else { - pattern = (0, _pattern_helper.getShadingPattern)(this.objs.get(objId)); + pattern = (0, _pattern_helper.getShadingPattern)(this.getObject(objId)); this.cachedPatterns.set(objId, pattern); } if (matrix) { @@ -6653,17 +8066,11 @@ class CanvasGraphics { ctx.fillStyle = pattern.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.SHADING); const inv = (0, _display_utils.getCurrentTransformInverse)(ctx); if (inv) { - const canvas = ctx.canvas; - const width = canvas.width; - const height = canvas.height; - const bl = _util.Util.applyTransform([0, 0], inv); - const br = _util.Util.applyTransform([0, height], inv); - const ul = _util.Util.applyTransform([width, 0], inv); - const ur = _util.Util.applyTransform([width, height], inv); - const x0 = Math.min(bl[0], br[0], ul[0], ur[0]); - const y0 = Math.min(bl[1], br[1], ul[1], ur[1]); - const x1 = Math.max(bl[0], br[0], ul[0], ur[0]); - const y1 = Math.max(bl[1], br[1], ul[1], ur[1]); + const { + width, + height + } = ctx.canvas; + const [x0, y0, x1, y1] = _util.Util.getAxialAlignedBoundingBox([0, 0, width, height], inv); this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0); } else { this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10); @@ -6804,7 +8211,7 @@ class CanvasGraphics { } beginAnnotation(id, rect, transform, matrix, hasOwnCanvas) { this.#restoreInitialState(); - resetCtxToDefault(this.ctx, this.foregroundColor); + resetCtxToDefault(this.ctx); this.ctx.save(); this.save(); if (this.baseTransform) { @@ -6835,10 +8242,11 @@ class CanvasGraphics { this.annotationCanvasMap.set(id, canvas); this.annotationCanvas.savedCtx = this.ctx; this.ctx = context; + this.ctx.save(); this.ctx.setTransform(scaleX, 0, 0, -scaleY, 0, height * scaleY); - resetCtxToDefault(this.ctx, this.foregroundColor); + resetCtxToDefault(this.ctx); } else { - resetCtxToDefault(this.ctx, this.foregroundColor); + resetCtxToDefault(this.ctx); this.ctx.rect(rect[0], rect[1], width, height); this.ctx.clip(); this.endPath(); @@ -6850,6 +8258,8 @@ class CanvasGraphics { } endAnnotation() { if (this.annotationCanvas) { + this.ctx.restore(); + this.#drawFilter(); this.ctx = this.annotationCanvas.savedCtx; delete this.annotationCanvas.savedCtx; delete this.annotationCanvas; @@ -6965,6 +8375,32 @@ class CanvasGraphics { } this.paintInlineImageXObjectGroup(imgData, map); } + + applyTransferMapsToCanvas(ctx) { + if (this.current.transferMaps !== "none") { + ctx.filter = this.current.transferMaps; + ctx.drawImage(ctx.canvas, 0, 0); + ctx.filter = "none"; + } + return ctx.canvas; + } + + applyTransferMapsToBitmap(imgData) { + if (this.current.transferMaps === "none") { + return imgData.bitmap; + } + const { + bitmap, + width, + height + } = imgData; + const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height); + const tmpCtx = tmpCanvas.context; + tmpCtx.filter = this.current.transferMaps; + tmpCtx.drawImage(bitmap, 0, 0); + tmpCtx.filter = "none"; + return tmpCanvas.canvas; + } paintInlineImageXObject(imgData) { if (!this.contentVisible) { return; @@ -6973,15 +8409,25 @@ class CanvasGraphics { const height = imgData.height; const ctx = this.ctx; this.save(); + if (!_util.isNodeJS) { + const { + filter + } = ctx; + if (filter !== "none" && filter !== "") { + ctx.filter = "none"; + } + } ctx.scale(1 / width, -1 / height); let imgToPaint; - if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) { + if (imgData.bitmap) { + imgToPaint = this.applyTransferMapsToBitmap(imgData); + } else if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) { imgToPaint = imgData; } else { const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height); const tmpCtx = tmpCanvas.context; - putBinaryImageData(tmpCtx, imgData, this.current.transferMaps); - imgToPaint = tmpCanvas.canvas; + putBinaryImageData(tmpCtx, imgData); + imgToPaint = this.applyTransferMapsToCanvas(tmpCtx); } const scaled = this._scaleImage(imgToPaint, (0, _display_utils.getCurrentTransformInverse)(ctx)); ctx.imageSmoothingEnabled = getImageSmoothingEnabled((0, _display_utils.getCurrentTransform)(ctx), imgData.interpolate); @@ -6994,16 +8440,22 @@ class CanvasGraphics { return; } const ctx = this.ctx; - const w = imgData.width; - const h = imgData.height; - const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h); - const tmpCtx = tmpCanvas.context; - putBinaryImageData(tmpCtx, imgData, this.current.transferMaps); + let imgToPaint; + if (imgData.bitmap) { + imgToPaint = imgData.bitmap; + } else { + const w = imgData.width; + const h = imgData.height; + const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h); + const tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + imgToPaint = this.applyTransferMapsToCanvas(tmpCtx); + } for (const entry of map) { ctx.save(); ctx.transform(...entry.transform); ctx.scale(1, -1); - drawImageAtIntegerCoords(ctx, tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1); + drawImageAtIntegerCoords(ctx, imgToPaint, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1); ctx.restore(); } this.compose(); @@ -7077,16 +8529,28 @@ class CanvasGraphics { return this._cachedGetSinglePixelWidth; } getScaleForStroking() { - if (!this._cachedScaleForStroking) { + if (this._cachedScaleForStroking[0] === -1) { const { lineWidth } = this.current; - const m = (0, _display_utils.getCurrentTransform)(this.ctx); + const { + a, + b, + c, + d + } = this.ctx.getTransform(); let scaleX, scaleY; - if (m[1] === 0 && m[2] === 0) { - const normX = Math.abs(m[0]); - const normY = Math.abs(m[3]); - if (lineWidth === 0) { + if (b === 0 && c === 0) { + const normX = Math.abs(a); + const normY = Math.abs(d); + if (normX === normY) { + if (lineWidth === 0) { + scaleX = scaleY = 1 / normX; + } else { + const scaledLineWidth = normX * lineWidth; + scaleX = scaleY = scaledLineWidth < 1 ? 1 / scaledLineWidth : 1; + } + } else if (lineWidth === 0) { scaleX = 1 / normX; scaleY = 1 / normY; } else { @@ -7096,9 +8560,9 @@ class CanvasGraphics { scaleY = scaledYLineWidth < 1 ? 1 / scaledYLineWidth : 1; } } else { - const absDet = Math.abs(m[0] * m[3] - m[2] * m[1]); - const normX = Math.hypot(m[0], m[1]); - const normY = Math.hypot(m[2], m[3]); + const absDet = Math.abs(a * d - b * c); + const normX = Math.hypot(a, b); + const normY = Math.hypot(c, d); if (lineWidth === 0) { scaleX = normY / absDet; scaleY = normX / absDet; @@ -7108,7 +8572,8 @@ class CanvasGraphics { scaleY = normX > baseArea ? normX / baseArea : 1; } } - this._cachedScaleForStroking = [scaleX, scaleY]; + this._cachedScaleForStroking[0] = scaleX; + this._cachedScaleForStroking[1] = scaleY; } return this._cachedScaleForStroking; } @@ -7125,21 +8590,19 @@ class CanvasGraphics { ctx.stroke(); return; } - let savedMatrix, savedDashes, savedDashOffset; + const dashes = ctx.getLineDash(); if (saveRestore) { - savedMatrix = (0, _display_utils.getCurrentTransform)(ctx); - savedDashes = ctx.getLineDash().slice(); - savedDashOffset = ctx.lineDashOffset; + ctx.save(); } ctx.scale(scaleX, scaleY); - const scale = Math.max(scaleX, scaleY); - ctx.setLineDash(ctx.getLineDash().map(x => x / scale)); - ctx.lineDashOffset /= scale; + if (dashes.length > 0) { + const scale = Math.max(scaleX, scaleY); + ctx.setLineDash(dashes.map(x => x / scale)); + ctx.lineDashOffset /= scale; + } ctx.stroke(); if (saveRestore) { - ctx.setTransform(...savedMatrix); - ctx.setLineDash(savedDashes); - ctx.lineDashOffset = savedDashOffset; + ctx.restore(); } } isContentVisible() { @@ -7305,12 +8768,7 @@ function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) { let xb, cbr, cbg, cbb; for (let y = minY; y <= maxY; y++) { if (y < y2) { - let k; - if (y < y1) { - k = 0; - } else { - k = (y1 - y) / (y1 - y2); - } + const k = y < y1 ? 0 : (y1 - y) / (y1 - y2); xa = x1 - (x1 - x2) * k; car = c1r - (c1r - c2r) * k; cag = c1g - (c1g - c2g) * k; @@ -7487,9 +8945,7 @@ const PaintType = { UNCOLORED: 2 }; class TilingPattern { - static get MAX_PATTERN_SIZE() { - return (0, _util.shadow)(this, "MAX_PATTERN_SIZE", 3000); - } + static MAX_PATTERN_SIZE = 3000; constructor(IR, color, ctx, canvasGraphicsFactory, baseTransform) { this.operatorList = IR[2]; this.matrix = IR[3] || [1, 0, 0, 1, 0, 0]; @@ -7626,23 +9082,37 @@ exports.TilingPattern = TilingPattern; Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.applyMaskImageData = applyMaskImageData; + exports.convertBlackAndWhiteToRGBA = convertBlackAndWhiteToRGBA; + exports.convertToRGBA = convertToRGBA; + exports.grayToRGBA = grayToRGBA; var _util = __w_pdfjs_require__(1); -function applyMaskImageData({ + + function convertToRGBA(params) { + switch (params.kind) { + case _util.ImageKind.GRAYSCALE_1BPP: + return convertBlackAndWhiteToRGBA(params); + case _util.ImageKind.RGB_24BPP: + return convertRGBToRGBA(params); + } + return null; + } + + function convertBlackAndWhiteToRGBA({ src, srcPos = 0, dest, - destPos = 0, width, height, + nonBlackColor = 0xffffffff, inverseDecode = false }) { - const opaque = _util.FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff; - const [zeroMapping, oneMapping] = !inverseDecode ? [opaque, 0] : [0, opaque]; + const black = _util.FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff; + const [zeroMapping, oneMapping] = inverseDecode ? [nonBlackColor, black] : [black, nonBlackColor]; const widthInSource = width >> 3; const widthRemainder = width & 7; const srcLength = src.length; dest = new Uint32Array(dest.buffer); + let destPos = 0; for (let i = 0; i < height; i++) { for (const max = srcPos + widthInSource; srcPos < max; srcPos++) { const elem = srcPos < srcLength ? src[srcPos] : 255; @@ -7669,6 +9139,62 @@ function applyMaskImageData({ }; } + function convertRGBToRGBA({ + src, + srcPos = 0, + dest, + destPos = 0, + width, + height + }) { + let i = 0; + const len32 = src.length >> 2; + const src32 = new Uint32Array(src.buffer, srcPos, len32); + if (_util.FeatureTest.isLittleEndian) { + for (; i < len32 - 2; i += 3, destPos += 4) { + const s1 = src32[i]; + const s2 = src32[i + 1]; + const s3 = src32[i + 2]; + dest[destPos] = s1 | 0xff000000; + dest[destPos + 1] = s1 >>> 24 | s2 << 8 | 0xff000000; + dest[destPos + 2] = s2 >>> 16 | s3 << 16 | 0xff000000; + dest[destPos + 3] = s3 >>> 8 | 0xff000000; + } + for (let j = i * 4, jj = src.length; j < jj; j += 3) { + dest[destPos++] = src[j] | src[j + 1] << 8 | src[j + 2] << 16 | 0xff000000; + } + } else { + for (; i < len32 - 2; i += 3, destPos += 4) { + const s1 = src32[i]; + const s2 = src32[i + 1]; + const s3 = src32[i + 2]; + dest[destPos] = s1 | 0xff; + dest[destPos + 1] = s1 << 24 | s2 >>> 8 | 0xff; + dest[destPos + 2] = s2 << 16 | s3 >>> 16 | 0xff; + dest[destPos + 3] = s3 << 8 | 0xff; + } + for (let j = i * 4, jj = src.length; j < jj; j += 3) { + dest[destPos++] = src[j] << 24 | src[j + 1] << 16 | src[j + 2] << 8 | 0xff; + } + } + return { + srcPos, + destPos + }; + } + + function grayToRGBA(src, dest) { + if (_util.FeatureTest.isLittleEndian) { + for (let i = 0, ii = src.length; i < ii; i++) { + dest[i] = src[i] * 0x10101 | 0xff000000; + } + } else { + for (let i = 0, ii = src.length; i < ii; i++) { + dest[i] = src[i] * 0x1010100 | 0x000000ff; + } + } + } + /***/ }), /* 14 */ /***/ ((__unused_webpack_module, exports) => { @@ -7747,7 +9273,7 @@ class MessageHandler { return; } if (data.stream) { - this._processStreamMessage(data); + this.#processStreamMessage(data); return; } if (data.callback) { @@ -7795,7 +9321,7 @@ class MessageHandler { return; } if (data.streamId) { - this._createStreamSink(data); + this.#createStreamSink(data); return; } action(data.data); @@ -7819,7 +9345,7 @@ class MessageHandler { } sendWithPromise(actionName, data, transfers) { const callbackId = this.callbackId++; - const capability = (0, _util.createPromiseCapability)(); + const capability = new _util.PromiseCapability(); this.callbackCapabilities[callbackId] = capability; try { this.comObj.postMessage({ @@ -7841,7 +9367,7 @@ class MessageHandler { comObj = this.comObj; return new ReadableStream({ start: controller => { - const startCapability = (0, _util.createPromiseCapability)(); + const startCapability = new _util.PromiseCapability(); this.streamControllers[streamId] = { controller, startCall: startCapability, @@ -7860,7 +9386,7 @@ class MessageHandler { return startCapability.promise; }, pull: controller => { - const pullCapability = (0, _util.createPromiseCapability)(); + const pullCapability = new _util.PromiseCapability(); this.streamControllers[streamId].pullCall = pullCapability; comObj.postMessage({ sourceName, @@ -7873,7 +9399,7 @@ class MessageHandler { }, cancel: reason => { (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason"); - const cancelCapability = (0, _util.createPromiseCapability)(); + const cancelCapability = new _util.PromiseCapability(); this.streamControllers[streamId].cancelCall = cancelCapability; this.streamControllers[streamId].isClosed = true; comObj.postMessage({ @@ -7887,7 +9413,8 @@ class MessageHandler { } }, queueingStrategy); } - _createStreamSink(data) { + + #createStreamSink(data) { const streamId = data.streamId, sourceName = this.sourceName, targetName = data.sourceName, @@ -7902,7 +9429,7 @@ class MessageHandler { const lastDesiredSize = this.desiredSize; this.desiredSize -= size; if (lastDesiredSize > 0 && this.desiredSize <= 0) { - this.sinkCapability = (0, _util.createPromiseCapability)(); + this.sinkCapability = new _util.PromiseCapability(); this.ready = this.sinkCapability.promise; } comObj.postMessage({ @@ -7940,7 +9467,7 @@ class MessageHandler { reason: wrapReason(reason) }); }, - sinkCapability: (0, _util.createPromiseCapability)(), + sinkCapability: new _util.PromiseCapability(), onPull: null, onCancel: null, isCancelled: false, @@ -7970,7 +9497,8 @@ class MessageHandler { }); }); } - _processStreamMessage(data) { + + #processStreamMessage(data) { const streamId = data.streamId, sourceName = this.sourceName, targetName = data.sourceName, @@ -8008,7 +9536,7 @@ class MessageHandler { } streamSink.desiredSize = data.desiredSize; new Promise(function (resolve) { - resolve(streamSink.onPull && streamSink.onPull()); + resolve(streamSink.onPull?.()); }).then(function () { comObj.postMessage({ sourceName, @@ -8041,12 +9569,12 @@ class MessageHandler { } streamController.isClosed = true; streamController.controller.close(); - this._deleteStreamController(streamController, streamId); + this.#deleteStreamController(streamController, streamId); break; case StreamKind.ERROR: (0, _util.assert)(streamController, "error should have stream controller"); streamController.controller.error(wrapReason(data.reason)); - this._deleteStreamController(streamController, streamId); + this.#deleteStreamController(streamController, streamId); break; case StreamKind.CANCEL_COMPLETE: if (data.success) { @@ -8054,14 +9582,14 @@ class MessageHandler { } else { streamController.cancelCall.reject(wrapReason(data.reason)); } - this._deleteStreamController(streamController, streamId); + this.#deleteStreamController(streamController, streamId); break; case StreamKind.CANCEL: if (!streamSink) { break; } new Promise(function (resolve) { - resolve(streamSink.onCancel && streamSink.onCancel(wrapReason(data.reason))); + resolve(streamSink.onCancel?.(wrapReason(data.reason))); }).then(function () { comObj.postMessage({ sourceName, @@ -8087,8 +9615,9 @@ class MessageHandler { throw new Error("Unexpected stream case"); } } - async _deleteStreamController(streamController, streamId) { - await Promise.allSettled([streamController.startCall && streamController.startCall.promise, streamController.pullCall && streamController.pullCall.promise, streamController.cancelCall && streamController.cancelCall.promise]); + + async #deleteStreamController(streamController, streamId) { + await Promise.allSettled([streamController.startCall?.promise, streamController.pullCall?.promise, streamController.cancelCall?.promise]); delete this.streamControllers[streamId]; } destroy() { @@ -8306,7 +9835,7 @@ class OptionalContentConfig { this.#cachedGetHash = null; } get hasInitialVisibility() { - return this.getHash() === this.#initialHash; + return this.#initialHash === null || this.getHash() === this.#initialHash; } getOrder() { if (!this.#groups.size) { @@ -8523,7 +10052,7 @@ class PDFDataTransportStreamReader { done: true }; } - const requestCapability = (0, _util.createPromiseCapability)(); + const requestCapability = new _util.PromiseCapability(); this._requests.push(requestCapability); return requestCapability.promise; } @@ -8595,7 +10124,7 @@ class PDFDataTransportStreamRangeReader { done: true }; } - const requestCapability = (0, _util.createPromiseCapability)(); + const requestCapability = new _util.PromiseCapability(); this._requests.push(requestCapability); return requestCapability.promise; } @@ -8614,59 +10143,6 @@ class PDFDataTransportStreamRangeReader { /***/ }), /* 19 */ -/***/ ((__unused_webpack_module, exports) => { - - - -Object.defineProperty(exports, "__esModule", ({ - value: true -})); -exports.XfaText = void 0; -class XfaText { - static textContent(xfa) { - const items = []; - const output = { - items, - styles: Object.create(null) - }; - function walk(node) { - if (!node) { - return; - } - let str = null; - const name = node.name; - if (name === "#text") { - str = node.value; - } else if (!XfaText.shouldBuildText(name)) { - return; - } else if (node?.attributes?.textContent) { - str = node.attributes.textContent; - } else if (node.value) { - str = node.value; - } - if (str !== null) { - items.push({ - str - }); - } - if (!node.children) { - return; - } - for (const child of node.children) { - walk(child); - } - } - walk(xfa); - return output; - } - static shouldBuildText(name) { - return !(name === "textarea" || name === "input" || name === "option" || name === "select"); - } -} -exports.XfaText = XfaText; - -/***/ }), -/* 20 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { @@ -8674,83 +10150,49 @@ exports.XfaText = XfaText; Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.NodeStandardFontDataFactory = exports.NodeCanvasFactory = exports.NodeCMapReaderFactory = void 0; -var _base_factory = __w_pdfjs_require__(7); + exports.PDFFetchStream = void 0; + var _util = __w_pdfjs_require__(1); + var _network_utils = __w_pdfjs_require__(20); ; -const fetchData = function (url) { - return new Promise((resolve, reject) => { - const fs = require("fs"); - fs.readFile(url, (error, data) => { - if (error || !data) { - reject(new Error(error)); - return; - } - resolve(new Uint8Array(data)); - }); - }); -}; -class NodeCanvasFactory extends _base_factory.BaseCanvasFactory { - _createCanvas(width, height) { - const Canvas = require("canvas"); - return Canvas.createCanvas(width, height); - } -} -exports.NodeCanvasFactory = NodeCanvasFactory; -class NodeCMapReaderFactory extends _base_factory.BaseCMapReaderFactory { - _fetchData(url, compressionType) { - return fetchData(url).then(data => { - return { - cMapData: data, - compressionType - }; - }); - } -} -exports.NodeCMapReaderFactory = NodeCMapReaderFactory; -class NodeStandardFontDataFactory extends _base_factory.BaseStandardFontDataFactory { - _fetchData(url) { - return fetchData(url); - } -} -exports.NodeStandardFontDataFactory = NodeStandardFontDataFactory; -/***/ }), -/* 21 */ -/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { + function createFetchOptions(headers, withCredentials, abortController) { + return { + method: "GET", + headers, + signal: abortController.signal, + mode: "cors", + credentials: withCredentials ? "include" : "same-origin", + redirect: "follow" + }; + } - - -Object.defineProperty(exports, "__esModule", ({ - value: true -})); -exports.PDFNodeStream = void 0; -var _util = __w_pdfjs_require__(1); -var _network_utils = __w_pdfjs_require__(22); -; -const fs = require("fs"); -const http = require("http"); -const https = require("https"); -const url = require("url"); -const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//; -function parseUrl(sourceUrl) { - const parsedUrl = url.parse(sourceUrl); - if (parsedUrl.protocol === "file:" || parsedUrl.host) { - return parsedUrl; + function createHeaders(httpHeaders) { + const headers = new Headers(); + for (const property in httpHeaders) { + const value = httpHeaders[property]; + if (value === undefined) { + continue; + } + headers.append(property, value); } - if (/^[a-z]:[/\\]/i.test(sourceUrl)) { - return url.parse(`file:///${sourceUrl}`); - } - if (!parsedUrl.host) { - parsedUrl.protocol = "file:"; - } - return parsedUrl; + return headers; } -class PDFNodeStream { + + function getArrayBuffer(val) { + if (val instanceof Uint8Array) { + return val.buffer; + } + if (val instanceof ArrayBuffer) { + return val; + } + (0, _util.warn)(`getArrayBuffer - unexpected data format: ${val}`); + return new Uint8Array(val).buffer; + } + + class PDFFetchStream { constructor(source) { this.source = source; - this.url = parseUrl(source.url); - this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:"; - this.isFsUrl = this.url.protocol === "file:"; + this.isHttp = /^https?:/i.test(source.url); this.httpHeaders = this.isHttp && source.httpHeaders || {}; this._fullRequestReader = null; this._rangeRequestReaders = []; @@ -8759,17 +10201,18 @@ class PDFNodeStream { return this._fullRequestReader?._loaded ?? 0; } getFullReader() { - (0, _util.assert)(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once."); - this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this); + (0, _util.assert)(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once."); + this._fullRequestReader = new PDFFetchStreamReader(this); return this._fullRequestReader; } - getRangeReader(start, end) { + + getRangeReader(begin, end) { if (end <= this._progressiveDataLength) { return null; } - const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end); - this._rangeRequestReaders.push(rangeReader); - return rangeReader; + const reader = new PDFFetchStreamRangeReader(this, begin, end); + this._rangeRequestReaders.push(reader); + return reader; } cancelAllRequests(reason) { this._fullRequestReader?.cancel(reason); @@ -8778,27 +10221,55 @@ class PDFNodeStream { } } } -exports.PDFNodeStream = PDFNodeStream; -class BaseFullReader { + + exports.PDFFetchStream = PDFFetchStream; + + class PDFFetchStreamReader { constructor(stream) { - this._url = stream.url; - this._done = false; - this._storedError = null; - this.onProgress = null; + this._stream = stream; + this._reader = null; + this._loaded = 0; + this._filename = null; const source = stream.source; + this._withCredentials = source.withCredentials || false; this._contentLength = source.length; - this._loaded = 0; - this._filename = null; + this._headersCapability = new _util.PromiseCapability(); this._disableRange = source.disableRange || false; this._rangeChunkSize = source.rangeChunkSize; if (!this._rangeChunkSize && !this._disableRange) { this._disableRange = true; } + this._abortController = new AbortController(); this._isStreamingSupported = !source.disableStream; this._isRangeSupported = !source.disableRange; - this._readableStream = null; - this._readCapability = (0, _util.createPromiseCapability)(); - this._headersCapability = (0, _util.createPromiseCapability)(); + this._headers = createHeaders(this._stream.httpHeaders); + const url = source.url; + fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => { + if (!(0, _network_utils.validateResponseStatus)(response.status)) { + throw (0, _network_utils.createResponseStatusError)(response.status, url); + } + this._reader = response.body.getReader(); + this._headersCapability.resolve(); + const getResponseHeader = name => { + return response.headers.get(name); + }; + const { + allowRangeRequests, + suggestedLength + } = (0, _network_utils.validateRangeRequestCapabilities)({ + getResponseHeader, + isHttp: this._stream.isHttp, + rangeChunkSize: this._rangeChunkSize, + disableRange: this._disableRange + }); + this._isRangeSupported = allowRangeRequests; + this._contentLength = suggestedLength || this._contentLength; + this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); + if (!this._isStreamingSupported && this._isRangeSupported) { + this.cancel(new _util.AbortException("Streaming is disabled.")); + } + }).catch(this._headersCapability.reject); + this.onProgress = null; } get headersReady() { return this._headersCapability.promise; @@ -8816,256 +10287,87 @@ class BaseFullReader { return this._isStreamingSupported; } async read() { - await this._readCapability.promise; - if (this._done) { + await this._headersCapability.promise; + const { + value, + done + } = await this._reader.read(); + if (done) { return { - value: undefined, - done: true + value, + done }; } - if (this._storedError) { - throw this._storedError; - } - const chunk = this._readableStream.read(); - if (chunk === null) { - this._readCapability = (0, _util.createPromiseCapability)(); - return this.read(); - } - this._loaded += chunk.length; + this._loaded += value.byteLength; this.onProgress?.({ loaded: this._loaded, total: this._contentLength }); - const buffer = new Uint8Array(chunk).buffer; return { - value: buffer, + value: getArrayBuffer(value), done: false }; } cancel(reason) { - if (!this._readableStream) { - this._error(reason); - return; - } - this._readableStream.destroy(reason); + this._reader?.cancel(reason); + this._abortController.abort(); } - _error(reason) { - this._storedError = reason; - this._readCapability.resolve(); - } - _setReadableStream(readableStream) { - this._readableStream = readableStream; - readableStream.on("readable", () => { - this._readCapability.resolve(); - }); - readableStream.on("end", () => { - readableStream.destroy(); - this._done = true; - this._readCapability.resolve(); - }); - readableStream.on("error", reason => { - this._error(reason); - }); - if (!this._isStreamingSupported && this._isRangeSupported) { - this._error(new _util.AbortException("streaming is disabled")); - } - if (this._storedError) { - this._readableStream.destroy(this._storedError); - } - } -} -class BaseRangeReader { - constructor(stream) { - this._url = stream.url; - this._done = false; - this._storedError = null; - this.onProgress = null; + } + + class PDFFetchStreamRangeReader { + constructor(stream, begin, end) { + this._stream = stream; + this._reader = null; this._loaded = 0; - this._readableStream = null; - this._readCapability = (0, _util.createPromiseCapability)(); const source = stream.source; + this._withCredentials = source.withCredentials || false; + this._readCapability = new _util.PromiseCapability(); this._isStreamingSupported = !source.disableStream; + this._abortController = new AbortController(); + this._headers = createHeaders(this._stream.httpHeaders); + this._headers.append("Range", `bytes=${begin}-${end - 1}`); + const url = source.url; + fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => { + if (!(0, _network_utils.validateResponseStatus)(response.status)) { + throw (0, _network_utils.createResponseStatusError)(response.status, url); + } + this._readCapability.resolve(); + this._reader = response.body.getReader(); + }).catch(this._readCapability.reject); + this.onProgress = null; } get isStreamingSupported() { return this._isStreamingSupported; } async read() { await this._readCapability.promise; - if (this._done) { + const { + value, + done + } = await this._reader.read(); + if (done) { return { - value: undefined, - done: true + value, + done }; } - if (this._storedError) { - throw this._storedError; - } - const chunk = this._readableStream.read(); - if (chunk === null) { - this._readCapability = (0, _util.createPromiseCapability)(); - return this.read(); - } - this._loaded += chunk.length; + this._loaded += value.byteLength; this.onProgress?.({ loaded: this._loaded }); - const buffer = new Uint8Array(chunk).buffer; return { - value: buffer, + value: getArrayBuffer(value), done: false }; } cancel(reason) { - if (!this._readableStream) { - this._error(reason); - return; - } - this._readableStream.destroy(reason); - } - _error(reason) { - this._storedError = reason; - this._readCapability.resolve(); - } - _setReadableStream(readableStream) { - this._readableStream = readableStream; - readableStream.on("readable", () => { - this._readCapability.resolve(); - }); - readableStream.on("end", () => { - readableStream.destroy(); - this._done = true; - this._readCapability.resolve(); - }); - readableStream.on("error", reason => { - this._error(reason); - }); - if (this._storedError) { - this._readableStream.destroy(this._storedError); - } - } -} -function createRequestOptions(parsedUrl, headers) { - return { - protocol: parsedUrl.protocol, - auth: parsedUrl.auth, - host: parsedUrl.hostname, - port: parsedUrl.port, - path: parsedUrl.path, - method: "GET", - headers - }; -} -class PDFNodeStreamFullReader extends BaseFullReader { - constructor(stream) { - super(stream); - const handleResponse = response => { - if (response.statusCode === 404) { - const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`); - this._storedError = error; - this._headersCapability.reject(error); - return; - } - this._headersCapability.resolve(); - this._setReadableStream(response); - const getResponseHeader = name => { - return this._readableStream.headers[name.toLowerCase()]; - }; - const { - allowRangeRequests, - suggestedLength - } = (0, _network_utils.validateRangeRequestCapabilities)({ - getResponseHeader, - isHttp: stream.isHttp, - rangeChunkSize: this._rangeChunkSize, - disableRange: this._disableRange - }); - this._isRangeSupported = allowRangeRequests; - this._contentLength = suggestedLength || this._contentLength; - this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); - }; - this._request = null; - if (this._url.protocol === "http:") { - this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse); - } else { - this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse); - } - this._request.on("error", reason => { - this._storedError = reason; - this._headersCapability.reject(reason); - }); - this._request.end(); - } -} -class PDFNodeStreamRangeReader extends BaseRangeReader { - constructor(stream, start, end) { - super(stream); - this._httpHeaders = {}; - for (const property in stream.httpHeaders) { - const value = stream.httpHeaders[property]; - if (value === undefined) { - continue; - } - this._httpHeaders[property] = value; - } - this._httpHeaders.Range = `bytes=${start}-${end - 1}`; - const handleResponse = response => { - if (response.statusCode === 404) { - const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`); - this._storedError = error; - return; - } - this._setReadableStream(response); - }; - this._request = null; - if (this._url.protocol === "http:") { - this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse); - } else { - this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse); - } - this._request.on("error", reason => { - this._storedError = reason; - }); - this._request.end(); - } -} -class PDFNodeStreamFsFullReader extends BaseFullReader { - constructor(stream) { - super(stream); - let path = decodeURIComponent(this._url.path); - if (fileUriRegex.test(this._url.href)) { - path = path.replace(/^\//, ""); - } - fs.lstat(path, (error, stat) => { - if (error) { - if (error.code === "ENOENT") { - error = new _util.MissingPDFException(`Missing PDF "${path}".`); - } - this._storedError = error; - this._headersCapability.reject(error); - return; - } - this._contentLength = stat.size; - this._setReadableStream(fs.createReadStream(path)); - this._headersCapability.resolve(); - }); - } -} -class PDFNodeStreamFsRangeReader extends BaseRangeReader { - constructor(stream, start, end) { - super(stream); - let path = decodeURIComponent(this._url.path); - if (fileUriRegex.test(this._url.href)) { - path = path.replace(/^\//, ""); - } - this._setReadableStream(fs.createReadStream(path, { - start, - end: end - 1 - })); + this._reader?.cancel(reason); + this._abortController.abort(); } } /***/ }), -/* 22 */ + /* 20 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { @@ -9078,7 +10380,7 @@ exports.extractFilenameFromHeader = extractFilenameFromHeader; exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities; exports.validateResponseStatus = validateResponseStatus; var _util = __w_pdfjs_require__(1); -var _content_disposition = __w_pdfjs_require__(23); + var _content_disposition = __w_pdfjs_require__(21); var _display_utils = __w_pdfjs_require__(6); function validateRangeRequestCapabilities({ getResponseHeader, @@ -9118,7 +10420,8 @@ function extractFilenameFromHeader(getResponseHeader) { if (filename.includes("%")) { try { filename = decodeURIComponent(filename); - } catch (ex) {} + } catch { + } } if ((0, _display_utils.isPdfFile)(filename)) { return filename; @@ -9137,7 +10440,7 @@ function validateResponseStatus(status) { } /***/ }), -/* 23 */ + /* 21 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { @@ -9185,7 +10488,8 @@ function getFilenameFromContentDispositionHeader(contentDisposition) { const buffer = (0, _util.stringToBytes)(value); value = decoder.decode(buffer); needsEncodingFixup = false; - } catch (e) {} + } catch { + } } return value; } @@ -9239,7 +10543,7 @@ function getFilenameFromContentDispositionHeader(contentDisposition) { parts[i] = parts[i].slice(0, quotindex); parts.length = i + 1; } - parts[i] = parts[i].replace(/\\(.)/g, "$1"); + parts[i] = parts[i].replaceAll(/\\(.)/g, "$1"); } value = parts.join('"'); } @@ -9259,17 +10563,18 @@ function getFilenameFromContentDispositionHeader(contentDisposition) { if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) { return value; } - return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) { + return value.replaceAll(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) { if (encoding === "q" || encoding === "Q") { - text = text.replace(/_/g, " "); - text = text.replace(/=([0-9a-fA-F]{2})/g, function (match, hex) { + text = text.replaceAll("_", " "); + text = text.replaceAll(/=([0-9a-fA-F]{2})/g, function (match, hex) { return String.fromCharCode(parseInt(hex, 16)); }); return textdecode(charset, text); } try { text = atob(text); - } catch (e) {} + } catch { + } return textdecode(charset, text); }); } @@ -9277,7 +10582,7 @@ function getFilenameFromContentDispositionHeader(contentDisposition) { } /***/ }), -/* 24 */ + /* 22 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { @@ -9287,7 +10592,7 @@ Object.defineProperty(exports, "__esModule", ({ })); exports.PDFNetworkStream = void 0; var _util = __w_pdfjs_require__(1); -var _network_utils = __w_pdfjs_require__(22); + var _network_utils = __w_pdfjs_require__(20); ; const OK_RESPONSE = 200; const PARTIAL_CONTENT_RESPONSE = 206; @@ -9304,9 +10609,6 @@ class NetworkManager { this.isHttp = /^https?:/i.test(url); this.httpHeaders = this.isHttp && args.httpHeaders || Object.create(null); this.withCredentials = args.withCredentials || false; - this.getXhr = args.getXhr || function NetworkManager_getXhr() { - return new XMLHttpRequest(); - }; this.currXhrId = 0; this.pendingRequests = Object.create(null); } @@ -9324,7 +10626,7 @@ class NetworkManager { return this.request(listeners); } request(args) { - const xhr = this.getXhr(); + const xhr = new XMLHttpRequest(); const xhrId = this.currXhrId++; const pendingRequest = this.pendingRequests[xhrId] = { xhr @@ -9469,7 +10771,7 @@ class PDFNetworkStreamFullRequestReader { }; this._url = source.url; this._fullRequestId = manager.requestFull(args); - this._headersReceivedCapability = (0, _util.createPromiseCapability)(); + this._headersReceivedCapability = new _util.PromiseCapability(); this._disableRange = source.disableRange || false; this._contentLength = source.length; this._rangeChunkSize = source.rangeChunkSize; @@ -9581,7 +10883,7 @@ class PDFNetworkStreamFullRequestReader { done: true }; } - const requestCapability = (0, _util.createPromiseCapability)(); + const requestCapability = new _util.PromiseCapability(); this._requests.push(requestCapability); return requestCapability.promise; } @@ -9678,7 +10980,7 @@ class PDFNetworkStreamRangeRequestReader { done: true }; } - const requestCapability = (0, _util.createPromiseCapability)(); + const requestCapability = new _util.PromiseCapability(); this._requests.push(requestCapability); return requestCapability.promise; } @@ -9699,7 +11001,7 @@ class PDFNetworkStreamRangeRequestReader { } /***/ }), -/* 25 */ + /* 23 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { @@ -9707,45 +11009,33 @@ class PDFNetworkStreamRangeRequestReader { Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.PDFFetchStream = void 0; + exports.PDFNodeStream = void 0; var _util = __w_pdfjs_require__(1); -var _network_utils = __w_pdfjs_require__(22); + var _network_utils = __w_pdfjs_require__(20); ; -function createFetchOptions(headers, withCredentials, abortController) { - return { - method: "GET", - headers, - signal: abortController.signal, - mode: "cors", - credentials: withCredentials ? "include" : "same-origin", - redirect: "follow" - }; -} -function createHeaders(httpHeaders) { - const headers = new Headers(); - for (const property in httpHeaders) { - const value = httpHeaders[property]; - if (value === undefined) { - continue; - } - headers.append(property, value); + const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//; + + function parseUrl(sourceUrl) { + const url = require("url"); + const parsedUrl = url.parse(sourceUrl); + if (parsedUrl.protocol === "file:" || parsedUrl.host) { + return parsedUrl; + } + if (/^[a-z]:[/\\]/i.test(sourceUrl)) { + return url.parse(`file:///${sourceUrl}`); } - return headers; -} -function getArrayBuffer(val) { - if (val instanceof Uint8Array) { - return val.buffer; - } - if (val instanceof ArrayBuffer) { - return val; - } - (0, _util.warn)(`getArrayBuffer - unexpected data format: ${val}`); - return new Uint8Array(val).buffer; -} -class PDFFetchStream { + if (!parsedUrl.host) { + parsedUrl.protocol = "file:"; + } + return parsedUrl; + } + + class PDFNodeStream { constructor(source) { this.source = source; - this.isHttp = /^https?:/i.test(source.url); + this.url = parseUrl(source.url); + this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:"; + this.isFsUrl = this.url.protocol === "file:"; this.httpHeaders = this.isHttp && source.httpHeaders || {}; this._fullRequestReader = null; this._rangeRequestReaders = []; @@ -9754,17 +11044,18 @@ class PDFFetchStream { return this._fullRequestReader?._loaded ?? 0; } getFullReader() { - (0, _util.assert)(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once."); - this._fullRequestReader = new PDFFetchStreamReader(this); + (0, _util.assert)(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once."); + this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this); return this._fullRequestReader; } - getRangeReader(begin, end) { + + getRangeReader(start, end) { if (end <= this._progressiveDataLength) { return null; } - const reader = new PDFFetchStreamRangeReader(this, begin, end); - this._rangeRequestReaders.push(reader); - return reader; + const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end); + this._rangeRequestReaders.push(rangeReader); + return rangeReader; } cancelAllRequests(reason) { this._fullRequestReader?.cancel(reason); @@ -9773,53 +11064,29 @@ class PDFFetchStream { } } } -exports.PDFFetchStream = PDFFetchStream; -class PDFFetchStreamReader { + + exports.PDFNodeStream = PDFNodeStream; + + class BaseFullReader { constructor(stream) { - this._stream = stream; - this._reader = null; - this._loaded = 0; - this._filename = null; + this._url = stream.url; + this._done = false; + this._storedError = null; + this.onProgress = null; const source = stream.source; - this._withCredentials = source.withCredentials || false; this._contentLength = source.length; - this._headersCapability = (0, _util.createPromiseCapability)(); + this._loaded = 0; + this._filename = null; this._disableRange = source.disableRange || false; this._rangeChunkSize = source.rangeChunkSize; if (!this._rangeChunkSize && !this._disableRange) { this._disableRange = true; } - this._abortController = new AbortController(); this._isStreamingSupported = !source.disableStream; this._isRangeSupported = !source.disableRange; - this._headers = createHeaders(this._stream.httpHeaders); - const url = source.url; - fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => { - if (!(0, _network_utils.validateResponseStatus)(response.status)) { - throw (0, _network_utils.createResponseStatusError)(response.status, url); - } - this._reader = response.body.getReader(); - this._headersCapability.resolve(); - const getResponseHeader = name => { - return response.headers.get(name); - }; - const { - allowRangeRequests, - suggestedLength - } = (0, _network_utils.validateRangeRequestCapabilities)({ - getResponseHeader, - isHttp: this._stream.isHttp, - rangeChunkSize: this._rangeChunkSize, - disableRange: this._disableRange - }); - this._isRangeSupported = allowRangeRequests; - this._contentLength = suggestedLength || this._contentLength; - this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); - if (!this._isStreamingSupported && this._isRangeSupported) { - this.cancel(new _util.AbortException("Streaming is disabled.")); - } - }).catch(this._headersCapability.reject); - this.onProgress = null; + this._readableStream = null; + this._readCapability = new _util.PromiseCapability(); + this._headersCapability = new _util.PromiseCapability(); } get headersReady() { return this._headersCapability.promise; @@ -9837,83 +11104,1657 @@ class PDFFetchStreamReader { return this._isStreamingSupported; } async read() { - await this._headersCapability.promise; - const { - value, - done - } = await this._reader.read(); - if (done) { + await this._readCapability.promise; + if (this._done) { return { - value, - done + value: undefined, + done: true }; } - this._loaded += value.byteLength; + if (this._storedError) { + throw this._storedError; + } + const chunk = this._readableStream.read(); + if (chunk === null) { + this._readCapability = new _util.PromiseCapability(); + return this.read(); + } + this._loaded += chunk.length; this.onProgress?.({ loaded: this._loaded, total: this._contentLength }); + const buffer = new Uint8Array(chunk).buffer; return { - value: getArrayBuffer(value), + value: buffer, done: false }; } cancel(reason) { - this._reader?.cancel(reason); - this._abortController.abort(); - } -} -class PDFFetchStreamRangeReader { - constructor(stream, begin, end) { - this._stream = stream; - this._reader = null; - this._loaded = 0; - const source = stream.source; - this._withCredentials = source.withCredentials || false; - this._readCapability = (0, _util.createPromiseCapability)(); - this._isStreamingSupported = !source.disableStream; - this._abortController = new AbortController(); - this._headers = createHeaders(this._stream.httpHeaders); - this._headers.append("Range", `bytes=${begin}-${end - 1}`); - const url = source.url; - fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => { - if (!(0, _network_utils.validateResponseStatus)(response.status)) { - throw (0, _network_utils.createResponseStatusError)(response.status, url); + if (!this._readableStream) { + this._error(reason); + return; } - this._readCapability.resolve(); - this._reader = response.body.getReader(); - }).catch(this._readCapability.reject); - this.onProgress = null; + this._readableStream.destroy(reason); + } + + _error(reason) { + this._storedError = reason; + this._readCapability.resolve(); + } + + _setReadableStream(readableStream) { + this._readableStream = readableStream; + readableStream.on("readable", () => { + this._readCapability.resolve(); + }); + readableStream.on("end", () => { + readableStream.destroy(); + this._done = true; + this._readCapability.resolve(); + }); + readableStream.on("error", reason => { + this._error(reason); + }); + if (!this._isStreamingSupported && this._isRangeSupported) { + this._error(new _util.AbortException("streaming is disabled")); + } + if (this._storedError) { + this._readableStream.destroy(this._storedError); + } + } + } + + class BaseRangeReader { + constructor(stream) { + this._url = stream.url; + this._done = false; + this._storedError = null; + this.onProgress = null; + this._loaded = 0; + this._readableStream = null; + this._readCapability = new _util.PromiseCapability(); + const source = stream.source; + this._isStreamingSupported = !source.disableStream; } get isStreamingSupported() { return this._isStreamingSupported; } async read() { await this._readCapability.promise; - const { - value, - done - } = await this._reader.read(); - if (done) { + if (this._done) { return { - value, - done + value: undefined, + done: true }; } - this._loaded += value.byteLength; + if (this._storedError) { + throw this._storedError; + } + const chunk = this._readableStream.read(); + if (chunk === null) { + this._readCapability = new _util.PromiseCapability(); + return this.read(); + } + this._loaded += chunk.length; this.onProgress?.({ loaded: this._loaded }); + const buffer = new Uint8Array(chunk).buffer; return { - value: getArrayBuffer(value), + value: buffer, done: false }; } cancel(reason) { - this._reader?.cancel(reason); - this._abortController.abort(); + if (!this._readableStream) { + this._error(reason); + return; + } + this._readableStream.destroy(reason); } -} + + _error(reason) { + this._storedError = reason; + this._readCapability.resolve(); + } + + _setReadableStream(readableStream) { + this._readableStream = readableStream; + readableStream.on("readable", () => { + this._readCapability.resolve(); + }); + readableStream.on("end", () => { + readableStream.destroy(); + this._done = true; + this._readCapability.resolve(); + }); + readableStream.on("error", reason => { + this._error(reason); + }); + if (this._storedError) { + this._readableStream.destroy(this._storedError); + } + } + } + + function createRequestOptions(parsedUrl, headers) { + return { + protocol: parsedUrl.protocol, + auth: parsedUrl.auth, + host: parsedUrl.hostname, + port: parsedUrl.port, + path: parsedUrl.path, + method: "GET", + headers + }; + } + + class PDFNodeStreamFullReader extends BaseFullReader { + constructor(stream) { + super(stream); + const handleResponse = response => { + if (response.statusCode === 404) { + const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`); + this._storedError = error; + this._headersCapability.reject(error); + return; + } + this._headersCapability.resolve(); + this._setReadableStream(response); + const getResponseHeader = name => { + return this._readableStream.headers[name.toLowerCase()]; + }; + const { + allowRangeRequests, + suggestedLength + } = (0, _network_utils.validateRangeRequestCapabilities)({ + getResponseHeader, + isHttp: stream.isHttp, + rangeChunkSize: this._rangeChunkSize, + disableRange: this._disableRange + }); + this._isRangeSupported = allowRangeRequests; + this._contentLength = suggestedLength || this._contentLength; + this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); + }; + this._request = null; + if (this._url.protocol === "http:") { + const http = require("http"); + this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse); + } else { + const https = require("https"); + this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse); + } + this._request.on("error", reason => { + this._storedError = reason; + this._headersCapability.reject(reason); + }); + this._request.end(); + } + } + + class PDFNodeStreamRangeReader extends BaseRangeReader { + constructor(stream, start, end) { + super(stream); + this._httpHeaders = {}; + for (const property in stream.httpHeaders) { + const value = stream.httpHeaders[property]; + if (value === undefined) { + continue; + } + this._httpHeaders[property] = value; + } + this._httpHeaders.Range = `bytes=${start}-${end - 1}`; + const handleResponse = response => { + if (response.statusCode === 404) { + const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`); + this._storedError = error; + return; + } + this._setReadableStream(response); + }; + this._request = null; + if (this._url.protocol === "http:") { + const http = require("http"); + this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse); + } else { + const https = require("https"); + this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse); + } + this._request.on("error", reason => { + this._storedError = reason; + }); + this._request.end(); + } + } + + class PDFNodeStreamFsFullReader extends BaseFullReader { + constructor(stream) { + super(stream); + let path = decodeURIComponent(this._url.path); + if (fileUriRegex.test(this._url.href)) { + path = path.replace(/^\//, ""); + } + const fs = require("fs"); + fs.lstat(path, (error, stat) => { + if (error) { + if (error.code === "ENOENT") { + error = new _util.MissingPDFException(`Missing PDF "${path}".`); + } + this._storedError = error; + this._headersCapability.reject(error); + return; + } + this._contentLength = stat.size; + this._setReadableStream(fs.createReadStream(path)); + this._headersCapability.resolve(); + }); + } + } + + class PDFNodeStreamFsRangeReader extends BaseRangeReader { + constructor(stream, start, end) { + super(stream); + let path = decodeURIComponent(this._url.path); + if (fileUriRegex.test(this._url.href)) { + path = path.replace(/^\//, ""); + } + const fs = require("fs"); + this._setReadableStream(fs.createReadStream(path, { + start, + end: end - 1 + })); + } + } + + /***/ + }), + /* 24 */ + /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.SVGGraphics = void 0; + var _display_utils = __w_pdfjs_require__(6); + var _util = __w_pdfjs_require__(1); + ; + const SVG_DEFAULTS = { + fontStyle: "normal", + fontWeight: "normal", + fillColor: "#000000" + }; + const XML_NS = "http://www.w3.org/XML/1998/namespace"; + const XLINK_NS = "http://www.w3.org/1999/xlink"; + const LINE_CAP_STYLES = ["butt", "round", "square"]; + const LINE_JOIN_STYLES = ["miter", "round", "bevel"]; + const createObjectURL = function (data, contentType = "", forceDataSchema = false) { + if (URL.createObjectURL && typeof Blob !== "undefined" && !forceDataSchema) { + return URL.createObjectURL(new Blob([data], { + type: contentType + })); + } + const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; + let buffer = `data:${contentType};base64,`; + for (let i = 0, ii = data.length; i < ii; i += 3) { + const b1 = data[i] & 0xff; + const b2 = data[i + 1] & 0xff; + const b3 = data[i + 2] & 0xff; + const d1 = b1 >> 2, + d2 = (b1 & 3) << 4 | b2 >> 4; + const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64; + const d4 = i + 2 < ii ? b3 & 0x3f : 64; + buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; + } + return buffer; + }; + const convertImgDataToPng = function () { + const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]); + const CHUNK_WRAPPER_SIZE = 12; + const crcTable = new Int32Array(256); + for (let i = 0; i < 256; i++) { + let c = i; + for (let h = 0; h < 8; h++) { + c = c & 1 ? 0xedb88320 ^ c >> 1 & 0x7fffffff : c >> 1 & 0x7fffffff; + } + crcTable[i] = c; + } + + function crc32(data, start, end) { + let crc = -1; + for (let i = start; i < end; i++) { + const a = (crc ^ data[i]) & 0xff; + const b = crcTable[a]; + crc = crc >>> 8 ^ b; + } + return crc ^ -1; + } + + function writePngChunk(type, body, data, offset) { + let p = offset; + const len = body.length; + data[p] = len >> 24 & 0xff; + data[p + 1] = len >> 16 & 0xff; + data[p + 2] = len >> 8 & 0xff; + data[p + 3] = len & 0xff; + p += 4; + data[p] = type.charCodeAt(0) & 0xff; + data[p + 1] = type.charCodeAt(1) & 0xff; + data[p + 2] = type.charCodeAt(2) & 0xff; + data[p + 3] = type.charCodeAt(3) & 0xff; + p += 4; + data.set(body, p); + p += body.length; + const crc = crc32(data, offset + 4, p); + data[p] = crc >> 24 & 0xff; + data[p + 1] = crc >> 16 & 0xff; + data[p + 2] = crc >> 8 & 0xff; + data[p + 3] = crc & 0xff; + } + + function adler32(data, start, end) { + let a = 1; + let b = 0; + for (let i = start; i < end; ++i) { + a = (a + (data[i] & 0xff)) % 65521; + b = (b + a) % 65521; + } + return b << 16 | a; + } + + function deflateSync(literals) { + if (!_util.isNodeJS) { + return deflateSyncUncompressed(literals); + } + try { + const input = parseInt(process.versions.node) >= 8 ? literals : Buffer.from(literals); + const output = require("zlib").deflateSync(input, { + level: 9 + }); + return output instanceof Uint8Array ? output : new Uint8Array(output); + } catch (e) { + (0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e); + } + return deflateSyncUncompressed(literals); + } + + function deflateSyncUncompressed(literals) { + let len = literals.length; + const maxBlockLength = 0xffff; + const deflateBlocks = Math.ceil(len / maxBlockLength); + const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4); + let pi = 0; + idat[pi++] = 0x78; + idat[pi++] = 0x9c; + let pos = 0; + while (len > maxBlockLength) { + idat[pi++] = 0x00; + idat[pi++] = 0xff; + idat[pi++] = 0xff; + idat[pi++] = 0x00; + idat[pi++] = 0x00; + idat.set(literals.subarray(pos, pos + maxBlockLength), pi); + pi += maxBlockLength; + pos += maxBlockLength; + len -= maxBlockLength; + } + idat[pi++] = 0x01; + idat[pi++] = len & 0xff; + idat[pi++] = len >> 8 & 0xff; + idat[pi++] = ~len & 0xffff & 0xff; + idat[pi++] = (~len & 0xffff) >> 8 & 0xff; + idat.set(literals.subarray(pos), pi); + pi += literals.length - pos; + const adler = adler32(literals, 0, literals.length); + idat[pi++] = adler >> 24 & 0xff; + idat[pi++] = adler >> 16 & 0xff; + idat[pi++] = adler >> 8 & 0xff; + idat[pi++] = adler & 0xff; + return idat; + } + + function encode(imgData, kind, forceDataSchema, isMask) { + const width = imgData.width; + const height = imgData.height; + let bitDepth, colorType, lineSize; + const bytes = imgData.data; + switch (kind) { + case _util.ImageKind.GRAYSCALE_1BPP: + colorType = 0; + bitDepth = 1; + lineSize = width + 7 >> 3; + break; + case _util.ImageKind.RGB_24BPP: + colorType = 2; + bitDepth = 8; + lineSize = width * 3; + break; + case _util.ImageKind.RGBA_32BPP: + colorType = 6; + bitDepth = 8; + lineSize = width * 4; + break; + default: + throw new Error("invalid format"); + } + const literals = new Uint8Array((1 + lineSize) * height); + let offsetLiterals = 0, + offsetBytes = 0; + for (let y = 0; y < height; ++y) { + literals[offsetLiterals++] = 0; + literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals); + offsetBytes += lineSize; + offsetLiterals += lineSize; + } + if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) { + offsetLiterals = 0; + for (let y = 0; y < height; y++) { + offsetLiterals++; + for (let i = 0; i < lineSize; i++) { + literals[offsetLiterals++] ^= 0xff; + } + } + } + const ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]); + const idat = deflateSync(literals); + const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length; + const data = new Uint8Array(pngLength); + let offset = 0; + data.set(PNG_HEADER, offset); + offset += PNG_HEADER.length; + writePngChunk("IHDR", ihdr, data, offset); + offset += CHUNK_WRAPPER_SIZE + ihdr.length; + writePngChunk("IDATA", idat, data, offset); + offset += CHUNK_WRAPPER_SIZE + idat.length; + writePngChunk("IEND", new Uint8Array(0), data, offset); + return createObjectURL(data, "image/png", forceDataSchema); + } + + return function convertImgDataToPng(imgData, forceDataSchema, isMask) { + const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind; + return encode(imgData, kind, forceDataSchema, isMask); + }; + }(); + + class SVGExtraState { + constructor() { + this.fontSizeScale = 1; + this.fontWeight = SVG_DEFAULTS.fontWeight; + this.fontSize = 0; + this.textMatrix = _util.IDENTITY_MATRIX; + this.fontMatrix = _util.FONT_IDENTITY_MATRIX; + this.leading = 0; + this.textRenderingMode = _util.TextRenderingMode.FILL; + this.textMatrixScale = 1; + this.x = 0; + this.y = 0; + this.lineX = 0; + this.lineY = 0; + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRise = 0; + this.fillColor = SVG_DEFAULTS.fillColor; + this.strokeColor = "#000000"; + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.lineJoin = ""; + this.lineCap = ""; + this.miterLimit = 0; + this.dashArray = []; + this.dashPhase = 0; + this.dependencies = []; + this.activeClipUrl = null; + this.clipGroup = null; + this.maskId = ""; + } + + clone() { + return Object.create(this); + } + + setCurrentPoint(x, y) { + this.x = x; + this.y = y; + } + } + + function opListToTree(opList) { + let opTree = []; + const tmp = []; + for (const opListElement of opList) { + if (opListElement.fn === "save") { + opTree.push({ + fnId: 92, + fn: "group", + items: [] + }); + tmp.push(opTree); + opTree = opTree.at(-1).items; + continue; + } + if (opListElement.fn === "restore") { + opTree = tmp.pop(); + } else { + opTree.push(opListElement); + } + } + return opTree; + } + + function pf(value) { + if (Number.isInteger(value)) { + return value.toString(); + } + const s = value.toFixed(10); + let i = s.length - 1; + if (s[i] !== "0") { + return s; + } + do { + i--; + } while (s[i] === "0"); + return s.substring(0, s[i] === "." ? i : i + 1); + } + + function pm(m) { + if (m[4] === 0 && m[5] === 0) { + if (m[1] === 0 && m[2] === 0) { + if (m[0] === 1 && m[3] === 1) { + return ""; + } + return `scale(${pf(m[0])} ${pf(m[3])})`; + } + if (m[0] === m[3] && m[1] === -m[2]) { + const a = Math.acos(m[0]) * 180 / Math.PI; + return `rotate(${pf(a)})`; + } + } else if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) { + return `translate(${pf(m[4])} ${pf(m[5])})`; + } + return `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` + `${pf(m[5])})`; + } + + let clipCount = 0; + let maskCount = 0; + let shadingCount = 0; + + class SVGGraphics { + constructor(commonObjs, objs, forceDataSchema = false) { + (0, _display_utils.deprecated)("The SVG back-end is no longer maintained and *may* be removed in the future."); + this.svgFactory = new _display_utils.DOMSVGFactory(); + this.current = new SVGExtraState(); + this.transformMatrix = _util.IDENTITY_MATRIX; + this.transformStack = []; + this.extraStack = []; + this.commonObjs = commonObjs; + this.objs = objs; + this.pendingClip = null; + this.pendingEOFill = false; + this.embedFonts = false; + this.embeddedFonts = Object.create(null); + this.cssStyle = null; + this.forceDataSchema = !!forceDataSchema; + this._operatorIdMapping = []; + for (const op in _util.OPS) { + this._operatorIdMapping[_util.OPS[op]] = op; + } + } + + getObject(data, fallback = null) { + if (typeof data === "string") { + return data.startsWith("g_") ? this.commonObjs.get(data) : this.objs.get(data); + } + return fallback; + } + + save() { + this.transformStack.push(this.transformMatrix); + const old = this.current; + this.extraStack.push(old); + this.current = old.clone(); + } + + restore() { + this.transformMatrix = this.transformStack.pop(); + this.current = this.extraStack.pop(); + this.pendingClip = null; + this.tgrp = null; + } + + group(items) { + this.save(); + this.executeOpTree(items); + this.restore(); + } + + loadDependencies(operatorList) { + const fnArray = operatorList.fnArray; + const argsArray = operatorList.argsArray; + for (let i = 0, ii = fnArray.length; i < ii; i++) { + if (fnArray[i] !== _util.OPS.dependency) { + continue; + } + for (const obj of argsArray[i]) { + const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs; + const promise = new Promise(resolve => { + objsPool.get(obj, resolve); + }); + this.current.dependencies.push(promise); + } + } + return Promise.all(this.current.dependencies); + } + + transform(a, b, c, d, e, f) { + const transformMatrix = [a, b, c, d, e, f]; + this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix); + this.tgrp = null; + } + + getSVG(operatorList, viewport) { + this.viewport = viewport; + const svgElement = this._initialize(viewport); + return this.loadDependencies(operatorList).then(() => { + this.transformMatrix = _util.IDENTITY_MATRIX; + this.executeOpTree(this.convertOpList(operatorList)); + return svgElement; + }); + } + + convertOpList(operatorList) { + const operatorIdMapping = this._operatorIdMapping; + const argsArray = operatorList.argsArray; + const fnArray = operatorList.fnArray; + const opList = []; + for (let i = 0, ii = fnArray.length; i < ii; i++) { + const fnId = fnArray[i]; + opList.push({ + fnId, + fn: operatorIdMapping[fnId], + args: argsArray[i] + }); + } + return opListToTree(opList); + } + + executeOpTree(opTree) { + for (const opTreeElement of opTree) { + const fn = opTreeElement.fn; + const fnId = opTreeElement.fnId; + const args = opTreeElement.args; + switch (fnId | 0) { + case _util.OPS.beginText: + this.beginText(); + break; + case _util.OPS.dependency: + break; + case _util.OPS.setLeading: + this.setLeading(args); + break; + case _util.OPS.setLeadingMoveText: + this.setLeadingMoveText(args[0], args[1]); + break; + case _util.OPS.setFont: + this.setFont(args); + break; + case _util.OPS.showText: + this.showText(args[0]); + break; + case _util.OPS.showSpacedText: + this.showText(args[0]); + break; + case _util.OPS.endText: + this.endText(); + break; + case _util.OPS.moveText: + this.moveText(args[0], args[1]); + break; + case _util.OPS.setCharSpacing: + this.setCharSpacing(args[0]); + break; + case _util.OPS.setWordSpacing: + this.setWordSpacing(args[0]); + break; + case _util.OPS.setHScale: + this.setHScale(args[0]); + break; + case _util.OPS.setTextMatrix: + this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]); + break; + case _util.OPS.setTextRise: + this.setTextRise(args[0]); + break; + case _util.OPS.setTextRenderingMode: + this.setTextRenderingMode(args[0]); + break; + case _util.OPS.setLineWidth: + this.setLineWidth(args[0]); + break; + case _util.OPS.setLineJoin: + this.setLineJoin(args[0]); + break; + case _util.OPS.setLineCap: + this.setLineCap(args[0]); + break; + case _util.OPS.setMiterLimit: + this.setMiterLimit(args[0]); + break; + case _util.OPS.setFillRGBColor: + this.setFillRGBColor(args[0], args[1], args[2]); + break; + case _util.OPS.setStrokeRGBColor: + this.setStrokeRGBColor(args[0], args[1], args[2]); + break; + case _util.OPS.setStrokeColorN: + this.setStrokeColorN(args); + break; + case _util.OPS.setFillColorN: + this.setFillColorN(args); + break; + case _util.OPS.shadingFill: + this.shadingFill(args[0]); + break; + case _util.OPS.setDash: + this.setDash(args[0], args[1]); + break; + case _util.OPS.setRenderingIntent: + this.setRenderingIntent(args[0]); + break; + case _util.OPS.setFlatness: + this.setFlatness(args[0]); + break; + case _util.OPS.setGState: + this.setGState(args[0]); + break; + case _util.OPS.fill: + this.fill(); + break; + case _util.OPS.eoFill: + this.eoFill(); + break; + case _util.OPS.stroke: + this.stroke(); + break; + case _util.OPS.fillStroke: + this.fillStroke(); + break; + case _util.OPS.eoFillStroke: + this.eoFillStroke(); + break; + case _util.OPS.clip: + this.clip("nonzero"); + break; + case _util.OPS.eoClip: + this.clip("evenodd"); + break; + case _util.OPS.paintSolidColorImageMask: + this.paintSolidColorImageMask(); + break; + case _util.OPS.paintImageXObject: + this.paintImageXObject(args[0]); + break; + case _util.OPS.paintInlineImageXObject: + this.paintInlineImageXObject(args[0]); + break; + case _util.OPS.paintImageMaskXObject: + this.paintImageMaskXObject(args[0]); + break; + case _util.OPS.paintFormXObjectBegin: + this.paintFormXObjectBegin(args[0], args[1]); + break; + case _util.OPS.paintFormXObjectEnd: + this.paintFormXObjectEnd(); + break; + case _util.OPS.closePath: + this.closePath(); + break; + case _util.OPS.closeStroke: + this.closeStroke(); + break; + case _util.OPS.closeFillStroke: + this.closeFillStroke(); + break; + case _util.OPS.closeEOFillStroke: + this.closeEOFillStroke(); + break; + case _util.OPS.nextLine: + this.nextLine(); + break; + case _util.OPS.transform: + this.transform(args[0], args[1], args[2], args[3], args[4], args[5]); + break; + case _util.OPS.constructPath: + this.constructPath(args[0], args[1]); + break; + case _util.OPS.endPath: + this.endPath(); + break; + case 92: + this.group(opTreeElement.items); + break; + default: + (0, _util.warn)(`Unimplemented operator ${fn}`); + break; + } + } + } + + setWordSpacing(wordSpacing) { + this.current.wordSpacing = wordSpacing; + } + + setCharSpacing(charSpacing) { + this.current.charSpacing = charSpacing; + } + + nextLine() { + this.moveText(0, this.current.leading); + } + + setTextMatrix(a, b, c, d, e, f) { + const current = this.current; + current.textMatrix = current.lineMatrix = [a, b, c, d, e, f]; + current.textMatrixScale = Math.hypot(a, b); + current.x = current.lineX = 0; + current.y = current.lineY = 0; + current.xcoords = []; + current.ycoords = []; + current.tspan = this.svgFactory.createElement("svg:tspan"); + current.tspan.setAttributeNS(null, "font-family", current.fontFamily); + current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`); + current.tspan.setAttributeNS(null, "y", pf(-current.y)); + current.txtElement = this.svgFactory.createElement("svg:text"); + current.txtElement.append(current.tspan); + } + + beginText() { + const current = this.current; + current.x = current.lineX = 0; + current.y = current.lineY = 0; + current.textMatrix = _util.IDENTITY_MATRIX; + current.lineMatrix = _util.IDENTITY_MATRIX; + current.textMatrixScale = 1; + current.tspan = this.svgFactory.createElement("svg:tspan"); + current.txtElement = this.svgFactory.createElement("svg:text"); + current.txtgrp = this.svgFactory.createElement("svg:g"); + current.xcoords = []; + current.ycoords = []; + } + + moveText(x, y) { + const current = this.current; + current.x = current.lineX += x; + current.y = current.lineY += y; + current.xcoords = []; + current.ycoords = []; + current.tspan = this.svgFactory.createElement("svg:tspan"); + current.tspan.setAttributeNS(null, "font-family", current.fontFamily); + current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`); + current.tspan.setAttributeNS(null, "y", pf(-current.y)); + } + + showText(glyphs) { + const current = this.current; + const font = current.font; + const fontSize = current.fontSize; + if (fontSize === 0) { + return; + } + const fontSizeScale = current.fontSizeScale; + const charSpacing = current.charSpacing; + const wordSpacing = current.wordSpacing; + const fontDirection = current.fontDirection; + const textHScale = current.textHScale * fontDirection; + const vertical = font.vertical; + const spacingDir = vertical ? 1 : -1; + const defaultVMetrics = font.defaultVMetrics; + const widthAdvanceScale = fontSize * current.fontMatrix[0]; + let x = 0; + for (const glyph of glyphs) { + if (glyph === null) { + x += fontDirection * wordSpacing; + continue; + } else if (typeof glyph === "number") { + x += spacingDir * glyph * fontSize / 1000; + continue; + } + const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + const character = glyph.fontChar; + let scaledX, scaledY; + let width = glyph.width; + if (vertical) { + let vx; + const vmetric = glyph.vmetric || defaultVMetrics; + vx = glyph.vmetric ? vmetric[1] : width * 0.5; + vx = -vx * widthAdvanceScale; + const vy = vmetric[2] * widthAdvanceScale; + width = vmetric ? -vmetric[0] : width; + scaledX = vx / fontSizeScale; + scaledY = (x + vy) / fontSizeScale; + } else { + scaledX = x / fontSizeScale; + scaledY = 0; + } + if (glyph.isInFont || font.missingFile) { + current.xcoords.push(current.x + scaledX); + if (vertical) { + current.ycoords.push(-current.y + scaledY); + } + current.tspan.textContent += character; + } else { + } + const charWidth = vertical ? width * widthAdvanceScale - spacing * fontDirection : width * widthAdvanceScale + spacing * fontDirection; + x += charWidth; + } + current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" ")); + if (vertical) { + current.tspan.setAttributeNS(null, "y", current.ycoords.map(pf).join(" ")); + } else { + current.tspan.setAttributeNS(null, "y", pf(-current.y)); + } + if (vertical) { + current.y -= x; + } else { + current.x += x * textHScale; + } + current.tspan.setAttributeNS(null, "font-family", current.fontFamily); + current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`); + if (current.fontStyle !== SVG_DEFAULTS.fontStyle) { + current.tspan.setAttributeNS(null, "font-style", current.fontStyle); + } + if (current.fontWeight !== SVG_DEFAULTS.fontWeight) { + current.tspan.setAttributeNS(null, "font-weight", current.fontWeight); + } + const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK; + if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + if (current.fillColor !== SVG_DEFAULTS.fillColor) { + current.tspan.setAttributeNS(null, "fill", current.fillColor); + } + if (current.fillAlpha < 1) { + current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha); + } + } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) { + current.tspan.setAttributeNS(null, "fill", "transparent"); + } else { + current.tspan.setAttributeNS(null, "fill", "none"); + } + if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + const lineWidthScale = 1 / (current.textMatrixScale || 1); + this._setStrokeAttributes(current.tspan, lineWidthScale); + } + let textMatrix = current.textMatrix; + if (current.textRise !== 0) { + textMatrix = textMatrix.slice(); + textMatrix[5] += current.textRise; + } + current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`); + current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve"); + current.txtElement.append(current.tspan); + current.txtgrp.append(current.txtElement); + this._ensureTransformGroup().append(current.txtElement); + } + + setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + } + + addFontStyle(fontObj) { + if (!fontObj.data) { + throw new Error("addFontStyle: No font data available, " + 'ensure that the "fontExtraProperties" API parameter is set.'); + } + if (!this.cssStyle) { + this.cssStyle = this.svgFactory.createElement("svg:style"); + this.cssStyle.setAttributeNS(null, "type", "text/css"); + this.defs.append(this.cssStyle); + } + const url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema); + this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`; + } + + setFont(details) { + const current = this.current; + const fontObj = this.commonObjs.get(details[0]); + let size = details[1]; + current.font = fontObj; + if (this.embedFonts && !fontObj.missingFile && !this.embeddedFonts[fontObj.loadedName]) { + this.addFontStyle(fontObj); + this.embeddedFonts[fontObj.loadedName] = fontObj; + } + current.fontMatrix = fontObj.fontMatrix || _util.FONT_IDENTITY_MATRIX; + let bold = "normal"; + if (fontObj.black) { + bold = "900"; + } else if (fontObj.bold) { + bold = "bold"; + } + const italic = fontObj.italic ? "italic" : "normal"; + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + current.fontSize = size; + current.fontFamily = fontObj.loadedName; + current.fontWeight = bold; + current.fontStyle = italic; + current.tspan = this.svgFactory.createElement("svg:tspan"); + current.tspan.setAttributeNS(null, "y", pf(-current.y)); + current.xcoords = []; + current.ycoords = []; + } + + endText() { + const current = this.current; + if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement?.hasChildNodes()) { + current.element = current.txtElement; + this.clip("nonzero"); + this.endPath(); + } + } + + setLineWidth(width) { + if (width > 0) { + this.current.lineWidth = width; + } + } + + setLineCap(style) { + this.current.lineCap = LINE_CAP_STYLES[style]; + } + + setLineJoin(style) { + this.current.lineJoin = LINE_JOIN_STYLES[style]; + } + + setMiterLimit(limit) { + this.current.miterLimit = limit; + } + + setStrokeAlpha(strokeAlpha) { + this.current.strokeAlpha = strokeAlpha; + } + + setStrokeRGBColor(r, g, b) { + this.current.strokeColor = _util.Util.makeHexColor(r, g, b); + } + + setFillAlpha(fillAlpha) { + this.current.fillAlpha = fillAlpha; + } + + setFillRGBColor(r, g, b) { + this.current.fillColor = _util.Util.makeHexColor(r, g, b); + this.current.tspan = this.svgFactory.createElement("svg:tspan"); + this.current.xcoords = []; + this.current.ycoords = []; + } + + setStrokeColorN(args) { + this.current.strokeColor = this._makeColorN_Pattern(args); + } + + setFillColorN(args) { + this.current.fillColor = this._makeColorN_Pattern(args); + } + + shadingFill(args) { + const { + width, + height + } = this.viewport; + const inv = _util.Util.inverseTransform(this.transformMatrix); + const [x0, y0, x1, y1] = _util.Util.getAxialAlignedBoundingBox([0, 0, width, height], inv); + const rect = this.svgFactory.createElement("svg:rect"); + rect.setAttributeNS(null, "x", x0); + rect.setAttributeNS(null, "y", y0); + rect.setAttributeNS(null, "width", x1 - x0); + rect.setAttributeNS(null, "height", y1 - y0); + rect.setAttributeNS(null, "fill", this._makeShadingPattern(args)); + if (this.current.fillAlpha < 1) { + rect.setAttributeNS(null, "fill-opacity", this.current.fillAlpha); + } + this._ensureTransformGroup().append(rect); + } + + _makeColorN_Pattern(args) { + if (args[0] === "TilingPattern") { + return this._makeTilingPattern(args); + } + return this._makeShadingPattern(args); + } + + _makeTilingPattern(args) { + const color = args[1]; + const operatorList = args[2]; + const matrix = args[3] || _util.IDENTITY_MATRIX; + const [x0, y0, x1, y1] = args[4]; + const xstep = args[5]; + const ystep = args[6]; + const paintType = args[7]; + const tilingId = `shading${shadingCount++}`; + const [tx0, ty0, tx1, ty1] = _util.Util.normalizeRect([..._util.Util.applyTransform([x0, y0], matrix), ..._util.Util.applyTransform([x1, y1], matrix)]); + const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix); + const txstep = xstep * xscale; + const tystep = ystep * yscale; + const tiling = this.svgFactory.createElement("svg:pattern"); + tiling.setAttributeNS(null, "id", tilingId); + tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse"); + tiling.setAttributeNS(null, "width", txstep); + tiling.setAttributeNS(null, "height", tystep); + tiling.setAttributeNS(null, "x", `${tx0}`); + tiling.setAttributeNS(null, "y", `${ty0}`); + const svg = this.svg; + const transformMatrix = this.transformMatrix; + const fillColor = this.current.fillColor; + const strokeColor = this.current.strokeColor; + const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0); + this.svg = bbox; + this.transformMatrix = matrix; + if (paintType === 2) { + const cssColor = _util.Util.makeHexColor(...color); + this.current.fillColor = cssColor; + this.current.strokeColor = cssColor; + } + this.executeOpTree(this.convertOpList(operatorList)); + this.svg = svg; + this.transformMatrix = transformMatrix; + this.current.fillColor = fillColor; + this.current.strokeColor = strokeColor; + tiling.append(bbox.childNodes[0]); + this.defs.append(tiling); + return `url(#${tilingId})`; + } + + _makeShadingPattern(args) { + if (typeof args === "string") { + args = this.objs.get(args); + } + switch (args[0]) { + case "RadialAxial": + const shadingId = `shading${shadingCount++}`; + const colorStops = args[3]; + let gradient; + switch (args[1]) { + case "axial": + const point0 = args[4]; + const point1 = args[5]; + gradient = this.svgFactory.createElement("svg:linearGradient"); + gradient.setAttributeNS(null, "id", shadingId); + gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse"); + gradient.setAttributeNS(null, "x1", point0[0]); + gradient.setAttributeNS(null, "y1", point0[1]); + gradient.setAttributeNS(null, "x2", point1[0]); + gradient.setAttributeNS(null, "y2", point1[1]); + break; + case "radial": + const focalPoint = args[4]; + const circlePoint = args[5]; + const focalRadius = args[6]; + const circleRadius = args[7]; + gradient = this.svgFactory.createElement("svg:radialGradient"); + gradient.setAttributeNS(null, "id", shadingId); + gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse"); + gradient.setAttributeNS(null, "cx", circlePoint[0]); + gradient.setAttributeNS(null, "cy", circlePoint[1]); + gradient.setAttributeNS(null, "r", circleRadius); + gradient.setAttributeNS(null, "fx", focalPoint[0]); + gradient.setAttributeNS(null, "fy", focalPoint[1]); + gradient.setAttributeNS(null, "fr", focalRadius); + break; + default: + throw new Error(`Unknown RadialAxial type: ${args[1]}`); + } + for (const colorStop of colorStops) { + const stop = this.svgFactory.createElement("svg:stop"); + stop.setAttributeNS(null, "offset", colorStop[0]); + stop.setAttributeNS(null, "stop-color", colorStop[1]); + gradient.append(stop); + } + this.defs.append(gradient); + return `url(#${shadingId})`; + case "Mesh": + (0, _util.warn)("Unimplemented pattern Mesh"); + return null; + case "Dummy": + return "hotpink"; + default: + throw new Error(`Unknown IR type: ${args[0]}`); + } + } + + setDash(dashArray, dashPhase) { + this.current.dashArray = dashArray; + this.current.dashPhase = dashPhase; + } + + constructPath(ops, args) { + const current = this.current; + let x = current.x, + y = current.y; + let d = []; + let j = 0; + for (const op of ops) { + switch (op | 0) { + case _util.OPS.rectangle: + x = args[j++]; + y = args[j++]; + const width = args[j++]; + const height = args[j++]; + const xw = x + width; + const yh = y + height; + d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z"); + break; + case _util.OPS.moveTo: + x = args[j++]; + y = args[j++]; + d.push("M", pf(x), pf(y)); + break; + case _util.OPS.lineTo: + x = args[j++]; + y = args[j++]; + d.push("L", pf(x), pf(y)); + break; + case _util.OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y)); + j += 6; + break; + case _util.OPS.curveTo2: + d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3])); + x = args[j + 2]; + y = args[j + 3]; + j += 4; + break; + case _util.OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y)); + j += 4; + break; + case _util.OPS.closePath: + d.push("Z"); + break; + } + } + d = d.join(" "); + if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) { + d = current.path.getAttributeNS(null, "d") + d; + } else { + current.path = this.svgFactory.createElement("svg:path"); + this._ensureTransformGroup().append(current.path); + } + current.path.setAttributeNS(null, "d", d); + current.path.setAttributeNS(null, "fill", "none"); + current.element = current.path; + current.setCurrentPoint(x, y); + } + + endPath() { + const current = this.current; + current.path = null; + if (!this.pendingClip) { + return; + } + if (!current.element) { + this.pendingClip = null; + return; + } + const clipId = `clippath${clipCount++}`; + const clipPath = this.svgFactory.createElement("svg:clipPath"); + clipPath.setAttributeNS(null, "id", clipId); + clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix)); + const clipElement = current.element.cloneNode(true); + if (this.pendingClip === "evenodd") { + clipElement.setAttributeNS(null, "clip-rule", "evenodd"); + } else { + clipElement.setAttributeNS(null, "clip-rule", "nonzero"); + } + this.pendingClip = null; + clipPath.append(clipElement); + this.defs.append(clipPath); + if (current.activeClipUrl) { + current.clipGroup = null; + for (const prev of this.extraStack) { + prev.clipGroup = null; + } + clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl); + } + current.activeClipUrl = `url(#${clipId})`; + this.tgrp = null; + } + + clip(type) { + this.pendingClip = type; + } + + closePath() { + const current = this.current; + if (current.path) { + const d = `${current.path.getAttributeNS(null, "d")}Z`; + current.path.setAttributeNS(null, "d", d); + } + } + + setLeading(leading) { + this.current.leading = -leading; + } + + setTextRise(textRise) { + this.current.textRise = textRise; + } + + setTextRenderingMode(textRenderingMode) { + this.current.textRenderingMode = textRenderingMode; + } + + setHScale(scale) { + this.current.textHScale = scale / 100; + } + + setRenderingIntent(intent) { + } + + setFlatness(flatness) { + } + + setGState(states) { + for (const [key, value] of states) { + switch (key) { + case "LW": + this.setLineWidth(value); + break; + case "LC": + this.setLineCap(value); + break; + case "LJ": + this.setLineJoin(value); + break; + case "ML": + this.setMiterLimit(value); + break; + case "D": + this.setDash(value[0], value[1]); + break; + case "RI": + this.setRenderingIntent(value); + break; + case "FL": + this.setFlatness(value); + break; + case "Font": + this.setFont(value); + break; + case "CA": + this.setStrokeAlpha(value); + break; + case "ca": + this.setFillAlpha(value); + break; + default: + (0, _util.warn)(`Unimplemented graphic state operator ${key}`); + break; + } + } + } + + fill() { + const current = this.current; + if (current.element) { + current.element.setAttributeNS(null, "fill", current.fillColor); + current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha); + this.endPath(); + } + } + + stroke() { + const current = this.current; + if (current.element) { + this._setStrokeAttributes(current.element); + current.element.setAttributeNS(null, "fill", "none"); + this.endPath(); + } + } + + _setStrokeAttributes(element, lineWidthScale = 1) { + const current = this.current; + let dashArray = current.dashArray; + if (lineWidthScale !== 1 && dashArray.length > 0) { + dashArray = dashArray.map(function (value) { + return lineWidthScale * value; + }); + } + element.setAttributeNS(null, "stroke", current.strokeColor); + element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha); + element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit)); + element.setAttributeNS(null, "stroke-linecap", current.lineCap); + element.setAttributeNS(null, "stroke-linejoin", current.lineJoin); + element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px"); + element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" ")); + element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px"); + } + + eoFill() { + this.current.element?.setAttributeNS(null, "fill-rule", "evenodd"); + this.fill(); + } + + fillStroke() { + this.stroke(); + this.fill(); + } + + eoFillStroke() { + this.current.element?.setAttributeNS(null, "fill-rule", "evenodd"); + this.fillStroke(); + } + + closeStroke() { + this.closePath(); + this.stroke(); + } + + closeFillStroke() { + this.closePath(); + this.fillStroke(); + } + + closeEOFillStroke() { + this.closePath(); + this.eoFillStroke(); + } + + paintSolidColorImageMask() { + const rect = this.svgFactory.createElement("svg:rect"); + rect.setAttributeNS(null, "x", "0"); + rect.setAttributeNS(null, "y", "0"); + rect.setAttributeNS(null, "width", "1px"); + rect.setAttributeNS(null, "height", "1px"); + rect.setAttributeNS(null, "fill", this.current.fillColor); + this._ensureTransformGroup().append(rect); + } + + paintImageXObject(objId) { + const imgData = this.getObject(objId); + if (!imgData) { + (0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`); + return; + } + this.paintInlineImageXObject(imgData); + } + + paintInlineImageXObject(imgData, mask) { + const width = imgData.width; + const height = imgData.height; + const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask); + const cliprect = this.svgFactory.createElement("svg:rect"); + cliprect.setAttributeNS(null, "x", "0"); + cliprect.setAttributeNS(null, "y", "0"); + cliprect.setAttributeNS(null, "width", pf(width)); + cliprect.setAttributeNS(null, "height", pf(height)); + this.current.element = cliprect; + this.clip("nonzero"); + const imgEl = this.svgFactory.createElement("svg:image"); + imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc); + imgEl.setAttributeNS(null, "x", "0"); + imgEl.setAttributeNS(null, "y", pf(-height)); + imgEl.setAttributeNS(null, "width", pf(width) + "px"); + imgEl.setAttributeNS(null, "height", pf(height) + "px"); + imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / width)} ${pf(-1 / height)})`); + if (mask) { + mask.append(imgEl); + } else { + this._ensureTransformGroup().append(imgEl); + } + } + + paintImageMaskXObject(img) { + const imgData = this.getObject(img.data, img); + if (imgData.bitmap) { + (0, _util.warn)("paintImageMaskXObject: ImageBitmap support is not implemented, " + "ensure that the `isOffscreenCanvasSupported` API parameter is disabled."); + return; + } + const current = this.current; + const width = imgData.width; + const height = imgData.height; + const fillColor = current.fillColor; + current.maskId = `mask${maskCount++}`; + const mask = this.svgFactory.createElement("svg:mask"); + mask.setAttributeNS(null, "id", current.maskId); + const rect = this.svgFactory.createElement("svg:rect"); + rect.setAttributeNS(null, "x", "0"); + rect.setAttributeNS(null, "y", "0"); + rect.setAttributeNS(null, "width", pf(width)); + rect.setAttributeNS(null, "height", pf(height)); + rect.setAttributeNS(null, "fill", fillColor); + rect.setAttributeNS(null, "mask", `url(#${current.maskId})`); + this.defs.append(mask); + this._ensureTransformGroup().append(rect); + this.paintInlineImageXObject(imgData, mask); + } + + paintFormXObjectBegin(matrix, bbox) { + if (Array.isArray(matrix) && matrix.length === 6) { + this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]); + } + if (bbox) { + const width = bbox[2] - bbox[0]; + const height = bbox[3] - bbox[1]; + const cliprect = this.svgFactory.createElement("svg:rect"); + cliprect.setAttributeNS(null, "x", bbox[0]); + cliprect.setAttributeNS(null, "y", bbox[1]); + cliprect.setAttributeNS(null, "width", pf(width)); + cliprect.setAttributeNS(null, "height", pf(height)); + this.current.element = cliprect; + this.clip("nonzero"); + this.endPath(); + } + } + + paintFormXObjectEnd() { + } + + _initialize(viewport) { + const svg = this.svgFactory.create(viewport.width, viewport.height); + const definitions = this.svgFactory.createElement("svg:defs"); + svg.append(definitions); + this.defs = definitions; + const rootGroup = this.svgFactory.createElement("svg:g"); + rootGroup.setAttributeNS(null, "transform", pm(viewport.transform)); + svg.append(rootGroup); + this.svg = rootGroup; + return svg; + } + + _ensureClipGroup() { + if (!this.current.clipGroup) { + const clipGroup = this.svgFactory.createElement("svg:g"); + clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl); + this.svg.append(clipGroup); + this.current.clipGroup = clipGroup; + } + return this.current.clipGroup; + } + + _ensureTransformGroup() { + if (!this.tgrp) { + this.tgrp = this.svgFactory.createElement("svg:g"); + this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix)); + if (this.current.activeClipUrl) { + this._ensureClipGroup().append(this.tgrp); + } else { + this.svg.append(this.tgrp); + } + } + return this.tgrp; + } + } + + exports.SVGGraphics = SVGGraphics; + + /***/ + }), + /* 25 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.XfaText = void 0; + + class XfaText { + static textContent(xfa) { + const items = []; + const output = { + items, + styles: Object.create(null) + }; + + function walk(node) { + if (!node) { + return; + } + let str = null; + const name = node.name; + if (name === "#text") { + str = node.value; + } else if (!XfaText.shouldBuildText(name)) { + return; + } else if (node?.attributes?.textContent) { + str = node.attributes.textContent; + } else if (node.value) { + str = node.value; + } + if (str !== null) { + items.push({ + str + }); + } + if (!node.children) { + return; + } + for (const child of node.children) { + walk(child); + } + } + + walk(xfa); + return output; + } + + static shouldBuildText(name) { + return !(name === "textarea" || name === "input" || name === "option" || name === "select"); + } + } + + exports.XfaText = XfaText; /***/ }), /* 26 */ @@ -10132,11 +12973,12 @@ class TextLayerRenderTask { this._container = this._rootContainer = container; this._textDivs = textDivs || []; this._textContentItemsStr = textContentItemsStr || []; + this._isOffscreenCanvasSupported = isOffscreenCanvasSupported; this._fontInspectorEnabled = !!globalThis.FontInspector?.enabled; this._reader = null; this._textDivProperties = textDivProperties || new WeakMap(); this._canceled = false; - this._capability = (0, _util.createPromiseCapability)(); + this._capability = new _util.PromiseCapability(); this._layoutTextParams = { prevFontSize: null, prevFontFamily: null, @@ -10204,7 +13046,7 @@ class TextLayerRenderTask { } } _render() { - const capability = (0, _util.createPromiseCapability)(); + const capability = new _util.PromiseCapability(); let styleCache = Object.create(null); if (this._isReadableStream) { const pump = () => { @@ -10245,6 +13087,16 @@ function renderTextLayer(params) { (0, _display_utils.deprecated)("The TextLayerRender `textContent`/`textContentStream` parameters " + "will be removed in the future, please use `textContentSource` instead."); params.textContentSource = params.textContent || params.textContentStream; } + const { + container, + viewport + } = params; + const style = getComputedStyle(container); + const visibility = style.getPropertyValue("visibility"); + const scaleFactor = parseFloat(style.getPropertyValue("--scale-factor")); + if (visibility === "visible" && (!scaleFactor || Math.abs(scaleFactor - viewport.scale) > 1e-5)) { + console.error("The `--scale-factor` CSS-variable must be set, " + "to the same value as `viewport.scale`, " + "either on the `container`-element itself or higher up in the DOM."); + } const task = new TextLayerRenderTask(params); task._render(); return task; @@ -10293,33 +13145,53 @@ Object.defineProperty(exports, "__esModule", ({ })); exports.AnnotationEditorLayer = void 0; var _util = __w_pdfjs_require__(1); -var _tools = __w_pdfjs_require__(5); + var _editor = __w_pdfjs_require__(4); var _freetext = __w_pdfjs_require__(28); -var _ink = __w_pdfjs_require__(29); + var _ink = __w_pdfjs_require__(33); var _display_utils = __w_pdfjs_require__(6); + var _stamp = __w_pdfjs_require__(34); class AnnotationEditorLayer { #accessibilityManager; #allowClick = false; + #annotationLayer = null; #boundPointerup = this.pointerup.bind(this); #boundPointerdown = this.pointerdown.bind(this); #editors = new Map(); #hadPointerDown = false; #isCleaningUp = false; + #isDisabling = false; #uiManager; static _initialized = false; - constructor(options) { + + constructor({ + uiManager, + pageIndex, + div, + accessibilityManager, + annotationLayer, + viewport, + l10n + }) { + const editorTypes = [_freetext.FreeTextEditor, _ink.InkEditor, _stamp.StampEditor]; if (!AnnotationEditorLayer._initialized) { AnnotationEditorLayer._initialized = true; - _freetext.FreeTextEditor.initialize(options.l10n); - _ink.InkEditor.initialize(options.l10n); + for (const editorType of editorTypes) { + editorType.initialize(l10n); + } } - options.uiManager.registerEditorTypes([_freetext.FreeTextEditor, _ink.InkEditor]); - this.#uiManager = options.uiManager; - this.pageIndex = options.pageIndex; - this.div = options.div; - this.#accessibilityManager = options.accessibilityManager; + uiManager.registerEditorTypes(editorTypes); + this.#uiManager = uiManager; + this.pageIndex = pageIndex; + this.div = div; + this.#accessibilityManager = accessibilityManager; + this.#annotationLayer = annotationLayer; + this.viewport = viewport; this.#uiManager.addLayer(this); } + + get isEmpty() { + return this.#editors.size === 0; + } updateToolbar(mode) { this.#uiManager.updateToolbar(mode); } @@ -10331,9 +13203,12 @@ class AnnotationEditorLayer { } else { this.enableClick(); } - this.#uiManager.unselectAll(); - this.div.classList.toggle("freeTextEditing", mode === _util.AnnotationEditorType.FREETEXT); - this.div.classList.toggle("inkEditing", mode === _util.AnnotationEditorType.INK); + if (mode !== _util.AnnotationEditorType.NONE) { + this.div.classList.toggle("freeTextEditing", mode === _util.AnnotationEditorType.FREETEXT); + this.div.classList.toggle("inkEditing", mode === _util.AnnotationEditorType.INK); + this.div.classList.toggle("stampEditing", mode === _util.AnnotationEditorType.STAMP); + this.div.hidden = false; + } } addInkEditorIfNeeded(isCommitting) { if (!isCommitting && this.#uiManager.getMode() !== _util.AnnotationEditorType.INK) { @@ -10350,7 +13225,7 @@ class AnnotationEditorLayer { const editor = this.#createAndAddNewEditor({ offsetX: 0, offsetY: 0 - }); + }, false); editor.setInBackground(); } setEditingState(isEditing) { @@ -10361,15 +13236,67 @@ class AnnotationEditorLayer { } enable() { this.div.style.pointerEvents = "auto"; + const annotationElementIds = new Set(); for (const editor of this.#editors.values()) { editor.enableEditing(); + if (editor.annotationElementId) { + annotationElementIds.add(editor.annotationElementId); + } + } + if (!this.#annotationLayer) { + return; + } + const editables = this.#annotationLayer.getEditableAnnotations(); + for (const editable of editables) { + editable.hide(); + if (this.#uiManager.isDeletedAnnotationElement(editable.data.id)) { + continue; + } + if (annotationElementIds.has(editable.data.id)) { + continue; + } + const editor = this.deserialize(editable); + if (!editor) { + continue; + } + this.addOrRebuild(editor); + editor.enableEditing(); } } disable() { + this.#isDisabling = true; this.div.style.pointerEvents = "none"; + const hiddenAnnotationIds = new Set(); for (const editor of this.#editors.values()) { editor.disableEditing(); + if (!editor.annotationElementId || editor.serialize() !== null) { + hiddenAnnotationIds.add(editor.annotationElementId); + continue; + } + this.getEditableAnnotation(editor.annotationElementId)?.show(); + editor.remove(); } + if (this.#annotationLayer) { + const editables = this.#annotationLayer.getEditableAnnotations(); + for (const editable of editables) { + const { + id + } = editable.data; + if (hiddenAnnotationIds.has(id) || this.#uiManager.isDeletedAnnotationElement(id)) { + continue; + } + editable.show(); + } + } + this.#cleanup(); + if (this.isEmpty) { + this.div.hidden = true; + } + this.#isDisabling = false; + } + + getEditableAnnotation(id) { + return this.#annotationLayer?.getEditableAnnotation(id) || null; } setActiveEditor(editor) { const currentActive = this.#uiManager.getActive(); @@ -10388,31 +13315,44 @@ class AnnotationEditorLayer { } attach(editor) { this.#editors.set(editor.id, editor); + const { + annotationElementId + } = editor; + if (annotationElementId && this.#uiManager.isDeletedAnnotationElement(annotationElementId)) { + this.#uiManager.removeDeletedAnnotationElement(editor); + } } detach(editor) { this.#editors.delete(editor.id); this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv); + if (!this.#isDisabling && editor.annotationElementId) { + this.#uiManager.addDeletedAnnotationElement(editor); + } } remove(editor) { - this.#uiManager.removeEditor(editor); this.detach(editor); - editor.div.style.display = "none"; - setTimeout(() => { - editor.div.style.display = ""; + this.#uiManager.removeEditor(editor); + if (editor.div.contains(document.activeElement)) { + setTimeout(() => { + this.#uiManager.focusMainContainer(); + }, 0); + } editor.div.remove(); editor.isAttachedToDOM = false; - if (document.activeElement === document.body) { - this.#uiManager.focusMainContainer(); - } - }, 0); if (!this.#isCleaningUp) { this.addInkEditorIfNeeded(false); } } - #changeParent(editor) { + + changeParent(editor) { if (editor.parent === this) { return; } + if (editor.annotationElementId) { + this.#uiManager.addDeletedAnnotationElement(editor.annotationElementId); + _editor.AnnotationEditor.deleteAnnotationElement(editor); + editor.annotationElementId = null; + } this.attach(editor); editor.parent?.detach(editor); editor.setParent(this); @@ -10422,7 +13362,7 @@ class AnnotationEditorLayer { } } add(editor) { - this.#changeParent(editor); + this.changeParent(editor); this.#uiManager.addEditor(editor); this.attach(editor); if (!editor.isAttachedToDOM) { @@ -10430,12 +13370,33 @@ class AnnotationEditorLayer { this.div.append(div); editor.isAttachedToDOM = true; } - this.moveEditorInDOM(editor); + editor.fixAndSetPosition(); editor.onceAdded(); this.#uiManager.addToAnnotationStorage(editor); } moveEditorInDOM(editor) { - this.#accessibilityManager?.moveElementInDOM(this.div, editor.div, editor.contentDiv, true); + if (!editor.isAttachedToDOM) { + return; + } + const { + activeElement + } = document; + if (editor.div.contains(activeElement)) { + editor._focusEventsAllowed = false; + setTimeout(() => { + if (!editor.div.contains(document.activeElement)) { + editor.div.addEventListener("focusin", () => { + editor._focusEventsAllowed = true; + }, { + once: true + }); + activeElement.focus(); + } else { + editor._focusEventsAllowed = true; + } + }, 0); + } + editor._structTreeParentId = this.#accessibilityManager?.moveElementInDOM(this.div, editor.div, editor.contentDiv, true); } addOrRebuild(editor) { if (editor.needsToBeRebuilt()) { @@ -10444,23 +13405,8 @@ class AnnotationEditorLayer { this.add(editor); } } - addANewEditor(editor) { - const cmd = () => { - this.addOrRebuild(editor); - }; - const undo = () => { - editor.remove(); - }; - this.addCommands({ - cmd, - undo, - mustExec: true - }); - } addUndoableEditor(editor) { - const cmd = () => { - this.addOrRebuild(editor); - }; + const cmd = () => editor._uiManager.rebuild(editor); const undo = () => { editor.remove(); }; @@ -10479,32 +13425,84 @@ class AnnotationEditorLayer { return new _freetext.FreeTextEditor(params); case _util.AnnotationEditorType.INK: return new _ink.InkEditor(params); + case _util.AnnotationEditorType.STAMP: + return new _stamp.StampEditor(params); } return null; } + + pasteEditor(mode, params) { + this.#uiManager.updateToolbar(mode); + this.#uiManager.updateMode(mode); + const { + offsetX, + offsetY + } = this.#getCenterPoint(); + const id = this.getNextId(); + const editor = this.#createNewEditor({ + parent: this, + id, + x: offsetX, + y: offsetY, + uiManager: this.#uiManager, + isCentered: true, + ...params + }); + if (editor) { + this.add(editor); + } + } deserialize(data) { - switch (data.annotationType) { + switch (data.annotationType ?? data.annotationEditorType) { case _util.AnnotationEditorType.FREETEXT: return _freetext.FreeTextEditor.deserialize(data, this, this.#uiManager); case _util.AnnotationEditorType.INK: return _ink.InkEditor.deserialize(data, this, this.#uiManager); + case _util.AnnotationEditorType.STAMP: + return _stamp.StampEditor.deserialize(data, this, this.#uiManager); } return null; } - #createAndAddNewEditor(event) { + + #createAndAddNewEditor(event, isCentered) { const id = this.getNextId(); const editor = this.#createNewEditor({ parent: this, id, x: event.offsetX, y: event.offsetY, - uiManager: this.#uiManager + uiManager: this.#uiManager, + isCentered }); if (editor) { this.add(editor); } return editor; } + + #getCenterPoint() { + const { + x, + y, + width, + height + } = this.div.getBoundingClientRect(); + const tlX = Math.max(0, x); + const tlY = Math.max(0, y); + const brX = Math.min(window.innerWidth, x + width); + const brY = Math.min(window.innerHeight, y + height); + const centerX = (tlX + brX) / 2 - x; + const centerY = (tlY + brY) / 2 - y; + const [offsetX, offsetY] = this.viewport.rotation % 180 === 0 ? [centerX, centerY] : [centerY, centerX]; + return { + offsetX, + offsetY + }; + } + + addNewEditor() { + this.#createAndAddNewEditor(this.#getCenterPoint(), true); + } setSelected(editor) { this.#uiManager.setSelected(editor); } @@ -10535,9 +13533,17 @@ class AnnotationEditorLayer { this.#allowClick = true; return; } - this.#createAndAddNewEditor(event); + if (this.#uiManager.getMode() === _util.AnnotationEditorType.STAMP) { + this.#uiManager.unselectAll(); + return; + } + this.#createAndAddNewEditor(event, false); } pointerdown(event) { + if (this.#hadPointerDown) { + this.#hadPointerDown = false; + return; + } const { isMac } = _util.FeatureTest.platform; @@ -10551,27 +13557,18 @@ class AnnotationEditorLayer { const editor = this.#uiManager.getActive(); this.#allowClick = !editor || editor.isEmpty(); } - drop(event) { - const id = event.dataTransfer.getData("text/plain"); - const editor = this.#uiManager.getEditor(id); - if (!editor) { - return; + + findNewParent(editor, x, y) { + const layer = this.#uiManager.findParent(x, y); + if (layer === null || layer === this) { + return false; } - event.preventDefault(); - event.dataTransfer.dropEffect = "move"; - this.#changeParent(editor); - const rect = this.div.getBoundingClientRect(); - const endX = event.clientX - rect.x; - const endY = event.clientY - rect.y; - editor.translate(endX - editor.startX, endY - editor.startY); - this.moveEditorInDOM(editor); - editor.div.focus(); - } - dragover(event) { - event.preventDefault(); + layer.changeParent(editor); + return true; } destroy() { if (this.#uiManager.getActive()?.parent === this) { + this.#uiManager.commitOrRemove(); this.#uiManager.setActiveEditor(null); } for (const editor of this.#editors.values()) { @@ -10598,7 +13595,6 @@ class AnnotationEditorLayer { }) { this.viewport = viewport; (0, _display_utils.setLayerDimensions)(this.div, viewport); - (0, _tools.bindEvents)(this, this.div, ["dragover", "drop"]); for (const editor of this.#uiManager.getEditors(this.pageIndex)) { this.add(editor); } @@ -10637,6 +13633,7 @@ exports.FreeTextEditor = void 0; var _util = __w_pdfjs_require__(1); var _tools = __w_pdfjs_require__(5); var _editor = __w_pdfjs_require__(4); + var _annotation_layer = __w_pdfjs_require__(29); class FreeTextEditor extends _editor.AnnotationEditor { #boundEditorDivBlur = this.editorDivBlur.bind(this); #boundEditorDivFocus = this.editorDivFocus.bind(this); @@ -10645,14 +13642,46 @@ class FreeTextEditor extends _editor.AnnotationEditor { #color; #content = ""; #editorDivId = `${this.id}-editor`; - #hasAlreadyBeenCommitted = false; #fontSize; + #initialData = null; static _freeTextDefaultContent = ""; - static _l10nPromise; static _internalPadding = 0; static _defaultColor = null; static _defaultFontSize = 10; - static _keyboardManager = new _tools.KeyboardManager([[["ctrl+Enter", "mac+meta+Enter", "Escape", "mac+Escape"], FreeTextEditor.prototype.commitOrRemove]]); + + static get _keyboardManager() { + const proto = FreeTextEditor.prototype; + const arrowChecker = self => self.isEmpty(); + const small = _tools.AnnotationEditorUIManager.TRANSLATE_SMALL; + const big = _tools.AnnotationEditorUIManager.TRANSLATE_BIG; + return (0, _util.shadow)(this, "_keyboardManager", new _tools.KeyboardManager([[["ctrl+s", "mac+meta+s", "ctrl+p", "mac+meta+p"], proto.commitOrRemove, { + bubbles: true + }], [["ctrl+Enter", "mac+meta+Enter", "Escape", "mac+Escape"], proto.commitOrRemove], [["ArrowLeft", "mac+ArrowLeft"], proto._translateEmpty, { + args: [-small, 0], + checker: arrowChecker + }], [["ctrl+ArrowLeft", "mac+shift+ArrowLeft"], proto._translateEmpty, { + args: [-big, 0], + checker: arrowChecker + }], [["ArrowRight", "mac+ArrowRight"], proto._translateEmpty, { + args: [small, 0], + checker: arrowChecker + }], [["ctrl+ArrowRight", "mac+shift+ArrowRight"], proto._translateEmpty, { + args: [big, 0], + checker: arrowChecker + }], [["ArrowUp", "mac+ArrowUp"], proto._translateEmpty, { + args: [0, -small], + checker: arrowChecker + }], [["ctrl+ArrowUp", "mac+shift+ArrowUp"], proto._translateEmpty, { + args: [0, -big], + checker: arrowChecker + }], [["ArrowDown", "mac+ArrowDown"], proto._translateEmpty, { + args: [0, small], + checker: arrowChecker + }], [["ctrl+ArrowDown", "mac+shift+ArrowDown"], proto._translateEmpty, { + args: [0, big], + checker: arrowChecker + }]])); + } static _type = "freetext"; constructor(params) { super({ @@ -10663,7 +13692,9 @@ class FreeTextEditor extends _editor.AnnotationEditor { this.#fontSize = params.fontSize || FreeTextEditor._defaultFontSize; } static initialize(l10n) { - this._l10nPromise = new Map(["free_text2_default_content", "editor_free_text2_aria_label"].map(str => [str, l10n.get(str)])); + _editor.AnnotationEditor.initialize(l10n, { + strings: ["free_text2_default_content", "editor_free_text2_aria_label"] + }); const style = getComputedStyle(document.documentElement); this._internalPadding = parseFloat(style.getPropertyValue("--freetext-padding")); } @@ -10729,11 +13760,18 @@ class FreeTextEditor extends _editor.AnnotationEditor { keepUndo: true }); } + + _translateEmpty(x, y) { + this._uiManager.translateSelectedEditors(x, y, true); + } getInitialTranslation() { const scale = this.parentScale; return [-FreeTextEditor._internalPadding * scale, -(FreeTextEditor._internalPadding + this.#fontSize) * scale]; } rebuild() { + if (!this.parent) { + return; + } super.rebuild(); if (this.div === null) { return; @@ -10751,7 +13789,7 @@ class FreeTextEditor extends _editor.AnnotationEditor { super.enableEditMode(); this.overlayDiv.classList.remove("enabled"); this.editorDiv.contentEditable = true; - this.div.draggable = false; + this._isDraggable = false; this.div.removeAttribute("aria-activedescendant"); this.editorDiv.addEventListener("keydown", this.#boundEditorDivKeydown); this.editorDiv.addEventListener("focus", this.#boundEditorDivFocus); @@ -10767,7 +13805,7 @@ class FreeTextEditor extends _editor.AnnotationEditor { this.overlayDiv.classList.add("enabled"); this.editorDiv.contentEditable = false; this.div.setAttribute("aria-activedescendant", this.#editorDivId); - this.div.draggable = true; + this._isDraggable = true; this.editorDiv.removeEventListener("keydown", this.#boundEditorDivKeydown); this.editorDiv.removeEventListener("focus", this.#boundEditorDivFocus); this.editorDiv.removeEventListener("blur", this.#boundEditorDivBlur); @@ -10779,6 +13817,9 @@ class FreeTextEditor extends _editor.AnnotationEditor { this.parent.div.classList.add("freeTextEditing"); } focusin(event) { + if (!this._focusEventsAllowed) { + return; + } super.focusin(event); if (event.target !== this.editorDiv) { this.editorDiv.focus(); @@ -10786,18 +13827,25 @@ class FreeTextEditor extends _editor.AnnotationEditor { } onceAdded() { if (this.width) { + this.#cheatInitialRect(); return; } this.enableEditMode(); this.editorDiv.focus(); + if (this._initialOptions?.isCentered) { + this.center(); + } + this._initialOptions = null; } isEmpty() { return !this.editorDiv || this.editorDiv.innerText.trim() === ""; } remove() { this.isEditing = false; - this.parent.setEditingState(true); - this.parent.div.classList.add("freeTextEditing"); + if (this.parent) { + this.parent.setEditingState(true); + this.parent.div.classList.add("freeTextEditing"); + } super.remove(); } #extractText() { @@ -10828,33 +13876,63 @@ class FreeTextEditor extends _editor.AnnotationEditor { div.remove(); div.style.display = savedDisplay; } - this.width = rect.width / parentWidth; - this.height = rect.height / parentHeight; + if (this.rotation % 180 === this.parentRotation % 180) { + this.width = rect.width / parentWidth; + this.height = rect.height / parentHeight; + } else { + this.width = rect.height / parentWidth; + this.height = rect.width / parentHeight; + } + this.fixAndSetPosition(); } commit() { if (!this.isInEditMode()) { return; } super.commit(); - if (!this.#hasAlreadyBeenCommitted) { - this.#hasAlreadyBeenCommitted = true; - this.parent.addUndoableEditor(this); - } this.disableEditMode(); - this.#content = this.#extractText().trimEnd(); + const savedText = this.#content; + const newText = this.#content = this.#extractText().trimEnd(); + if (savedText === newText) { + return; + } + const setText = text => { + this.#content = text; + if (!text) { + this.remove(); + return; + } + this.#setContent(); + this._uiManager.rebuild(this); + this.#setEditorDimensions(); + }; + this.addCommands({ + cmd: () => { + setText(newText); + }, + undo: () => { + setText(savedText); + }, + mustExec: false + }); this.#setEditorDimensions(); } shouldGetKeyboardEvents() { return this.isInEditMode(); } - dblclick(event) { + + enterInEditMode() { this.enableEditMode(); this.editorDiv.focus(); } + + dblclick(event) { + this.enterInEditMode(); + } keydown(event) { if (event.target === this.div && event.key === "Enter") { - this.enableEditMode(); - this.editorDiv.focus(); + this.enterInEditMode(); + event.preventDefault(); } } editorDivKeydown(event) { @@ -10891,8 +13969,8 @@ class FreeTextEditor extends _editor.AnnotationEditor { this.editorDiv.className = "internal"; this.editorDiv.setAttribute("id", this.#editorDivId); this.enableEditing(); - FreeTextEditor._l10nPromise.get("editor_free_text2_aria_label").then(msg => this.editorDiv?.setAttribute("aria-label", msg)); - FreeTextEditor._l10nPromise.get("free_text2_default_content").then(msg => this.editorDiv?.setAttribute("default-content", msg)); + _editor.AnnotationEditor._l10nPromise.get("editor_free_text2_aria_label").then(msg => this.editorDiv?.setAttribute("aria-label", msg)); + _editor.AnnotationEditor._l10nPromise.get("free_text2_default_content").then(msg => this.editorDiv?.setAttribute("default-content", msg)); this.editorDiv.contentEditable = true; const { style @@ -10906,751 +13984,173 @@ class FreeTextEditor extends _editor.AnnotationEditor { (0, _tools.bindEvents)(this, this.div, ["dblclick", "keydown"]); if (this.width) { const [parentWidth, parentHeight] = this.parentDimensions; - this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight); - for (const line of this.#content.split("\n")) { - const div = document.createElement("div"); - div.append(line ? document.createTextNode(line) : document.createElement("br")); - this.editorDiv.append(div); + if (this.annotationElementId) { + const { + position + } = this.#initialData; + let [tx, ty] = this.getInitialTranslation(); + [tx, ty] = this.pageTranslationToScreen(tx, ty); + const [pageWidth, pageHeight] = this.pageDimensions; + const [pageX, pageY] = this.pageTranslation; + let posX, posY; + switch (this.rotation) { + case 0: + posX = baseX + (position[0] - pageX) / pageWidth; + posY = baseY + this.height - (position[1] - pageY) / pageHeight; + break; + case 90: + posX = baseX + (position[0] - pageX) / pageWidth; + posY = baseY - (position[1] - pageY) / pageHeight; + [tx, ty] = [ty, -tx]; + break; + case 180: + posX = baseX - this.width + (position[0] - pageX) / pageWidth; + posY = baseY - (position[1] - pageY) / pageHeight; + [tx, ty] = [-tx, -ty]; + break; + case 270: + posX = baseX + (position[0] - pageX - this.height * pageHeight) / pageWidth; + posY = baseY + (position[1] - pageY - this.width * pageWidth) / pageHeight; + [tx, ty] = [-ty, tx]; + break; + } + this.setAt(posX * parentWidth, posY * parentHeight, tx, ty); + } else { + this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight); } - this.div.draggable = true; + this.#setContent(); + this._isDraggable = true; this.editorDiv.contentEditable = false; } else { - this.div.draggable = false; + this._isDraggable = false; this.editorDiv.contentEditable = true; } return this.div; } + + #setContent() { + this.editorDiv.replaceChildren(); + if (!this.#content) { + return; + } + for (const line of this.#content.split("\n")) { + const div = document.createElement("div"); + div.append(line ? document.createTextNode(line) : document.createElement("br")); + this.editorDiv.append(div); + } + } get contentDiv() { return this.editorDiv; } static deserialize(data, parent, uiManager) { + let initialData = null; + if (data instanceof _annotation_layer.FreeTextAnnotationElement) { + const { + data: { + defaultAppearanceData: { + fontSize, + fontColor + }, + rect, + rotation, + id + }, + textContent, + textPosition, + parent: { + page: { + pageNumber + } + } + } = data; + if (!textContent || textContent.length === 0) { + return null; + } + initialData = data = { + annotationType: _util.AnnotationEditorType.FREETEXT, + color: Array.from(fontColor), + fontSize, + value: textContent.join("\n"), + position: textPosition, + pageIndex: pageNumber - 1, + rect, + rotation, + id, + deleted: false + }; + } const editor = super.deserialize(data, parent, uiManager); editor.#fontSize = data.fontSize; editor.#color = _util.Util.makeHexColor(...data.color); editor.#content = data.value; + editor.annotationElementId = data.id || null; + editor.#initialData = initialData; return editor; } - serialize() { + + serialize(isForCopying = false) { if (this.isEmpty()) { return null; } + if (this.deleted) { + return { + pageIndex: this.pageIndex, + id: this.annotationElementId, + deleted: true + }; + } const padding = FreeTextEditor._internalPadding * this.parentScale; const rect = this.getRect(padding, padding); const color = _editor.AnnotationEditor._colorManager.convert(this.isAttachedToDOM ? getComputedStyle(this.editorDiv).color : this.#color); - return { + const serialized = { annotationType: _util.AnnotationEditorType.FREETEXT, color, fontSize: this.#fontSize, value: this.#content, pageIndex: this.pageIndex, rect, - rotation: this.rotation + rotation: this.rotation, + structTreeParentId: this._structTreeParentId }; + if (isForCopying) { + return serialized; + } + if (this.annotationElementId && !this.#hasElementChanged(serialized)) { + return null; + } + serialized.id = this.annotationElementId; + return serialized; } -} -exports.FreeTextEditor = FreeTextEditor; -/***/ }), -/* 29 */ -/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { - - - -Object.defineProperty(exports, "__esModule", ({ - value: true -})); -exports.InkEditor = void 0; -Object.defineProperty(exports, "fitCurve", ({ - enumerable: true, - get: function () { - return _pdfjsFitCurve.fitCurve; - } -})); -var _util = __w_pdfjs_require__(1); -var _editor = __w_pdfjs_require__(4); -var _pdfjsFitCurve = __w_pdfjs_require__(30); -var _tools = __w_pdfjs_require__(5); -const RESIZER_SIZE = 16; -const TIME_TO_WAIT_BEFORE_FIXING_DIMS = 100; -class InkEditor extends _editor.AnnotationEditor { - #aspectRatio = 0; - #baseHeight = 0; - #baseWidth = 0; - #boundCanvasPointermove = this.canvasPointermove.bind(this); - #boundCanvasPointerleave = this.canvasPointerleave.bind(this); - #boundCanvasPointerup = this.canvasPointerup.bind(this); - #boundCanvasPointerdown = this.canvasPointerdown.bind(this); - #disableEditing = false; - #isCanvasInitialized = false; - #lastPoint = null; - #observer = null; - #realWidth = 0; - #realHeight = 0; - #requestFrameCallback = null; - static _defaultColor = null; - static _defaultOpacity = 1; - static _defaultThickness = 1; - static _l10nPromise; - static _type = "ink"; - constructor(params) { - super({ - ...params, - name: "inkEditor" - }); - this.color = params.color || null; - this.thickness = params.thickness || null; - this.opacity = params.opacity || null; - this.paths = []; - this.bezierPath2D = []; - this.currentPath = []; - this.scaleFactor = 1; - this.translationX = this.translationY = 0; - this.x = 0; - this.y = 0; - } - static initialize(l10n) { - this._l10nPromise = new Map(["editor_ink_canvas_aria_label", "editor_ink2_aria_label"].map(str => [str, l10n.get(str)])); - } - static updateDefaultParams(type, value) { - switch (type) { - case _util.AnnotationEditorParamsType.INK_THICKNESS: - InkEditor._defaultThickness = value; - break; - case _util.AnnotationEditorParamsType.INK_COLOR: - InkEditor._defaultColor = value; - break; - case _util.AnnotationEditorParamsType.INK_OPACITY: - InkEditor._defaultOpacity = value / 100; - break; - } - } - updateParams(type, value) { - switch (type) { - case _util.AnnotationEditorParamsType.INK_THICKNESS: - this.#updateThickness(value); - break; - case _util.AnnotationEditorParamsType.INK_COLOR: - this.#updateColor(value); - break; - case _util.AnnotationEditorParamsType.INK_OPACITY: - this.#updateOpacity(value); - break; - } - } - static get defaultPropertiesToUpdate() { - return [[_util.AnnotationEditorParamsType.INK_THICKNESS, InkEditor._defaultThickness], [_util.AnnotationEditorParamsType.INK_COLOR, InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor], [_util.AnnotationEditorParamsType.INK_OPACITY, Math.round(InkEditor._defaultOpacity * 100)]]; - } - get propertiesToUpdate() { - return [[_util.AnnotationEditorParamsType.INK_THICKNESS, this.thickness || InkEditor._defaultThickness], [_util.AnnotationEditorParamsType.INK_COLOR, this.color || InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor], [_util.AnnotationEditorParamsType.INK_OPACITY, Math.round(100 * (this.opacity ?? InkEditor._defaultOpacity))]]; - } - #updateThickness(thickness) { - const savedThickness = this.thickness; - this.addCommands({ - cmd: () => { - this.thickness = thickness; - this.#fitToContent(); - }, - undo: () => { - this.thickness = savedThickness; - this.#fitToContent(); - }, - mustExec: true, - type: _util.AnnotationEditorParamsType.INK_THICKNESS, - overwriteIfSameType: true, - keepUndo: true - }); - } - #updateColor(color) { - const savedColor = this.color; - this.addCommands({ - cmd: () => { - this.color = color; - this.#redraw(); - }, - undo: () => { - this.color = savedColor; - this.#redraw(); - }, - mustExec: true, - type: _util.AnnotationEditorParamsType.INK_COLOR, - overwriteIfSameType: true, - keepUndo: true - }); - } - #updateOpacity(opacity) { - opacity /= 100; - const savedOpacity = this.opacity; - this.addCommands({ - cmd: () => { - this.opacity = opacity; - this.#redraw(); - }, - undo: () => { - this.opacity = savedOpacity; - this.#redraw(); - }, - mustExec: true, - type: _util.AnnotationEditorParamsType.INK_OPACITY, - overwriteIfSameType: true, - keepUndo: true - }); - } - rebuild() { - super.rebuild(); - if (this.div === null) { - return; - } - if (!this.canvas) { - this.#createCanvas(); - this.#createObserver(); - } - if (!this.isAttachedToDOM) { - this.parent.add(this); - this.#setCanvasDims(); - } - this.#fitToContent(); - } - remove() { - if (this.canvas === null) { - return; - } - if (!this.isEmpty()) { - this.commit(); - } - this.canvas.width = this.canvas.height = 0; - this.canvas.remove(); - this.canvas = null; - this.#observer.disconnect(); - this.#observer = null; - super.remove(); - } - setParent(parent) { - if (!this.parent && parent) { - this._uiManager.removeShouldRescale(this); - } else if (this.parent && parent === null) { - this._uiManager.addShouldRescale(this); - } - super.setParent(parent); - } - onScaleChanging() { - const [parentWidth, parentHeight] = this.parentDimensions; - const width = this.width * parentWidth; - const height = this.height * parentHeight; - this.setDimensions(width, height); - } - enableEditMode() { - if (this.#disableEditing || this.canvas === null) { - return; - } - super.enableEditMode(); - this.div.draggable = false; - this.canvas.addEventListener("pointerdown", this.#boundCanvasPointerdown); - this.canvas.addEventListener("pointerup", this.#boundCanvasPointerup); - } - disableEditMode() { - if (!this.isInEditMode() || this.canvas === null) { - return; - } - super.disableEditMode(); - this.div.draggable = !this.isEmpty(); - this.div.classList.remove("editing"); - this.canvas.removeEventListener("pointerdown", this.#boundCanvasPointerdown); - this.canvas.removeEventListener("pointerup", this.#boundCanvasPointerup); - } - onceAdded() { - this.div.draggable = !this.isEmpty(); - } - isEmpty() { - return this.paths.length === 0 || this.paths.length === 1 && this.paths[0].length === 0; - } - #getInitialBBox() { + #hasElementChanged(serialized) { const { - parentRotation, - parentDimensions: [width, height] - } = this; - switch (parentRotation) { - case 90: - return [0, height, height, width]; - case 180: - return [width, height, width, height]; - case 270: - return [width, 0, height, width]; - default: - return [0, 0, width, height]; - } - } - #setStroke() { - const { - ctx, + value, + fontSize, color, - opacity, - thickness, - parentScale, - scaleFactor - } = this; - ctx.lineWidth = thickness * parentScale / scaleFactor; - ctx.lineCap = "round"; - ctx.lineJoin = "round"; - ctx.miterLimit = 10; - ctx.strokeStyle = `${color}${(0, _tools.opacityToHex)(opacity)}`; - } - #startDrawing(x, y) { - this.isEditing = true; - if (!this.#isCanvasInitialized) { - this.#isCanvasInitialized = true; - this.#setCanvasDims(); - this.thickness ||= InkEditor._defaultThickness; - this.color ||= InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor; - this.opacity ??= InkEditor._defaultOpacity; + rect, + pageIndex + } = this.#initialData; + return serialized.value !== value || serialized.fontSize !== fontSize || serialized.rect.some((x, i) => Math.abs(x - rect[i]) >= 1) || serialized.color.some((c, i) => c !== color[i]) || serialized.pageIndex !== pageIndex; } - this.currentPath.push([x, y]); - this.#lastPoint = null; - this.#setStroke(); - this.ctx.beginPath(); - this.ctx.moveTo(x, y); - this.#requestFrameCallback = () => { - if (!this.#requestFrameCallback) { - return; - } - if (this.#lastPoint) { - if (this.isEmpty()) { - this.ctx.setTransform(1, 0, 0, 1, 0, 0); - this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height); - } else { - this.#redraw(); - } - this.ctx.lineTo(...this.#lastPoint); - this.#lastPoint = null; - this.ctx.stroke(); - } - window.requestAnimationFrame(this.#requestFrameCallback); - }; - window.requestAnimationFrame(this.#requestFrameCallback); - } - #draw(x, y) { - const [lastX, lastY] = this.currentPath.at(-1); - if (x === lastX && y === lastY) { + + #cheatInitialRect(delayed = false) { + if (!this.annotationElementId) { return; } - this.currentPath.push([x, y]); - this.#lastPoint = [x, y]; - } - #stopDrawing(x, y) { - this.ctx.closePath(); - this.#requestFrameCallback = null; - x = Math.min(Math.max(x, 0), this.canvas.width); - y = Math.min(Math.max(y, 0), this.canvas.height); - const [lastX, lastY] = this.currentPath.at(-1); - if (x !== lastX || y !== lastY) { - this.currentPath.push([x, y]); - } - let bezier; - if (this.currentPath.length !== 1) { - bezier = (0, _pdfjsFitCurve.fitCurve)(this.currentPath, 30, null); - } else { - const xy = [x, y]; - bezier = [[xy, xy.slice(), xy.slice(), xy]]; - } - const path2D = InkEditor.#buildPath2D(bezier); - this.currentPath.length = 0; - const cmd = () => { - this.paths.push(bezier); - this.bezierPath2D.push(path2D); - this.rebuild(); - }; - const undo = () => { - this.paths.pop(); - this.bezierPath2D.pop(); - if (this.paths.length === 0) { - this.remove(); - } else { - if (!this.canvas) { - this.#createCanvas(); - this.#createObserver(); - } - this.#fitToContent(); - } - }; - this.addCommands({ - cmd, - undo, - mustExec: true - }); - } - #redraw() { - if (this.isEmpty()) { - this.#updateTransform(); + this.#setEditorDimensions(); + if (!delayed && (this.width === 0 || this.height === 0)) { + setTimeout(() => this.#cheatInitialRect(true), 0); return; } - this.#setStroke(); - const { - canvas, - ctx - } = this; - ctx.setTransform(1, 0, 0, 1, 0, 0); - ctx.clearRect(0, 0, canvas.width, canvas.height); - this.#updateTransform(); - for (const path of this.bezierPath2D) { - ctx.stroke(path); - } - } - commit() { - if (this.#disableEditing) { - return; - } - super.commit(); - this.isEditing = false; - this.disableEditMode(); - this.setInForeground(); - this.#disableEditing = true; - this.div.classList.add("disabled"); - this.#fitToContent(true); - this.parent.addInkEditorIfNeeded(true); - this.parent.moveEditorInDOM(this); - this.div.focus({ - preventScroll: true - }); - } - focusin(event) { - super.focusin(event); - this.enableEditMode(); - } - canvasPointerdown(event) { - if (event.button !== 0 || !this.isInEditMode() || this.#disableEditing) { - return; - } - this.setInForeground(); - if (event.type !== "mouse") { - this.div.focus(); - } - event.stopPropagation(); - this.canvas.addEventListener("pointerleave", this.#boundCanvasPointerleave); - this.canvas.addEventListener("pointermove", this.#boundCanvasPointermove); - this.#startDrawing(event.offsetX, event.offsetY); - } - canvasPointermove(event) { - event.stopPropagation(); - this.#draw(event.offsetX, event.offsetY); - } - canvasPointerup(event) { - if (event.button !== 0) { - return; - } - if (this.isInEditMode() && this.currentPath.length !== 0) { - event.stopPropagation(); - this.#endDrawing(event); - this.setInBackground(); - } - } - canvasPointerleave(event) { - this.#endDrawing(event); - this.setInBackground(); - } - #endDrawing(event) { - this.#stopDrawing(event.offsetX, event.offsetY); - this.canvas.removeEventListener("pointerleave", this.#boundCanvasPointerleave); - this.canvas.removeEventListener("pointermove", this.#boundCanvasPointermove); - this.addToAnnotationStorage(); - } - #createCanvas() { - this.canvas = document.createElement("canvas"); - this.canvas.width = this.canvas.height = 0; - this.canvas.className = "inkEditorCanvas"; - InkEditor._l10nPromise.get("editor_ink_canvas_aria_label").then(msg => this.canvas?.setAttribute("aria-label", msg)); - this.div.append(this.canvas); - this.ctx = this.canvas.getContext("2d"); - } - #createObserver() { - let timeoutId = null; - this.#observer = new ResizeObserver(entries => { - const rect = entries[0].contentRect; - if (rect.width && rect.height) { - if (timeoutId !== null) { - clearTimeout(timeoutId); - } - timeoutId = setTimeout(() => { - this.fixDims(); - timeoutId = null; - }, TIME_TO_WAIT_BEFORE_FIXING_DIMS); - this.setDimensions(rect.width, rect.height); - } - }); - this.#observer.observe(this.div); - } - render() { - if (this.div) { - return this.div; - } - let baseX, baseY; - if (this.width) { - baseX = this.x; - baseY = this.y; - } - super.render(); - InkEditor._l10nPromise.get("editor_ink2_aria_label").then(msg => this.div?.setAttribute("aria-label", msg)); - const [x, y, w, h] = this.#getInitialBBox(); - this.setAt(x, y, 0, 0); - this.setDims(w, h); - this.#createCanvas(); - if (this.width) { - const [parentWidth, parentHeight] = this.parentDimensions; - this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight); - this.#isCanvasInitialized = true; - this.#setCanvasDims(); - this.setDims(this.width * parentWidth, this.height * parentHeight); - this.#redraw(); - this.#setMinDims(); - this.div.classList.add("disabled"); - } else { - this.div.classList.add("editing"); - this.enableEditMode(); - } - this.#createObserver(); - return this.div; - } - #setCanvasDims() { - if (!this.#isCanvasInitialized) { - return; - } - const [parentWidth, parentHeight] = this.parentDimensions; - this.canvas.width = Math.ceil(this.width * parentWidth); - this.canvas.height = Math.ceil(this.height * parentHeight); - this.#updateTransform(); - } - setDimensions(width, height) { - const roundedWidth = Math.round(width); - const roundedHeight = Math.round(height); - if (this.#realWidth === roundedWidth && this.#realHeight === roundedHeight) { - return; - } - this.#realWidth = roundedWidth; - this.#realHeight = roundedHeight; - this.canvas.style.visibility = "hidden"; - if (this.#aspectRatio && Math.abs(this.#aspectRatio - width / height) > 1e-2) { - height = Math.ceil(width / this.#aspectRatio); - this.setDims(width, height); - } - const [parentWidth, parentHeight] = this.parentDimensions; - this.width = width / parentWidth; - this.height = height / parentHeight; - if (this.#disableEditing) { - this.#setScaleFactor(width, height); - } - this.#setCanvasDims(); - this.#redraw(); - this.canvas.style.visibility = "visible"; - } - #setScaleFactor(width, height) { - const padding = this.#getPadding(); - const scaleFactorW = (width - padding) / this.#baseWidth; - const scaleFactorH = (height - padding) / this.#baseHeight; - this.scaleFactor = Math.min(scaleFactorW, scaleFactorH); - } - #updateTransform() { - const padding = this.#getPadding() / 2; - this.ctx.setTransform(this.scaleFactor, 0, 0, this.scaleFactor, this.translationX * this.scaleFactor + padding, this.translationY * this.scaleFactor + padding); - } - static #buildPath2D(bezier) { - const path2D = new Path2D(); - for (let i = 0, ii = bezier.length; i < ii; i++) { - const [first, control1, control2, second] = bezier[i]; - if (i === 0) { - path2D.moveTo(...first); - } - path2D.bezierCurveTo(control1[0], control1[1], control2[0], control2[1], second[0], second[1]); - } - return path2D; - } - #serializePaths(s, tx, ty, h) { - const NUMBER_OF_POINTS_ON_BEZIER_CURVE = 4; - const paths = []; - const padding = this.thickness / 2; - let buffer, points; - for (const bezier of this.paths) { - buffer = []; - points = []; - for (let i = 0, ii = bezier.length; i < ii; i++) { - const [first, control1, control2, second] = bezier[i]; - const p10 = s * (first[0] + tx) + padding; - const p11 = h - s * (first[1] + ty) - padding; - const p20 = s * (control1[0] + tx) + padding; - const p21 = h - s * (control1[1] + ty) - padding; - const p30 = s * (control2[0] + tx) + padding; - const p31 = h - s * (control2[1] + ty) - padding; - const p40 = s * (second[0] + tx) + padding; - const p41 = h - s * (second[1] + ty) - padding; - if (i === 0) { - buffer.push(p10, p11); - points.push(p10, p11); - } - buffer.push(p20, p21, p30, p31, p40, p41); - this.#extractPointsOnBezier(p10, p11, p20, p21, p30, p31, p40, p41, NUMBER_OF_POINTS_ON_BEZIER_CURVE, points); - } - paths.push({ - bezier: buffer, - points - }); - } - return paths; - } - #extractPointsOnBezier(p10, p11, p20, p21, p30, p31, p40, p41, n, points) { - if (this.#isAlmostFlat(p10, p11, p20, p21, p30, p31, p40, p41)) { - points.push(p40, p41); - return; - } - for (let i = 1; i < n - 1; i++) { - const t = i / n; - const mt = 1 - t; - let q10 = t * p10 + mt * p20; - let q11 = t * p11 + mt * p21; - let q20 = t * p20 + mt * p30; - let q21 = t * p21 + mt * p31; - const q30 = t * p30 + mt * p40; - const q31 = t * p31 + mt * p41; - q10 = t * q10 + mt * q20; - q11 = t * q11 + mt * q21; - q20 = t * q20 + mt * q30; - q21 = t * q21 + mt * q31; - q10 = t * q10 + mt * q20; - q11 = t * q11 + mt * q21; - points.push(q10, q11); - } - points.push(p40, p41); - } - #isAlmostFlat(p10, p11, p20, p21, p30, p31, p40, p41) { - const tol = 10; - const ax = (3 * p20 - 2 * p10 - p40) ** 2; - const ay = (3 * p21 - 2 * p11 - p41) ** 2; - const bx = (3 * p30 - p10 - 2 * p40) ** 2; - const by = (3 * p31 - p11 - 2 * p41) ** 2; - return Math.max(ax, bx) + Math.max(ay, by) <= tol; - } - #getBbox() { - let xMin = Infinity; - let xMax = -Infinity; - let yMin = Infinity; - let yMax = -Infinity; - for (const path of this.paths) { - for (const [first, control1, control2, second] of path) { - const bbox = _util.Util.bezierBoundingBox(...first, ...control1, ...control2, ...second); - xMin = Math.min(xMin, bbox[0]); - yMin = Math.min(yMin, bbox[1]); - xMax = Math.max(xMax, bbox[2]); - yMax = Math.max(yMax, bbox[3]); - } - } - return [xMin, yMin, xMax, yMax]; - } - #getPadding() { - return this.#disableEditing ? Math.ceil(this.thickness * this.parentScale) : 0; - } - #fitToContent(firstTime = false) { - if (this.isEmpty()) { - return; - } - if (!this.#disableEditing) { - this.#redraw(); - return; - } - const bbox = this.#getBbox(); - const padding = this.#getPadding(); - this.#baseWidth = Math.max(RESIZER_SIZE, bbox[2] - bbox[0]); - this.#baseHeight = Math.max(RESIZER_SIZE, bbox[3] - bbox[1]); - const width = Math.ceil(padding + this.#baseWidth * this.scaleFactor); - const height = Math.ceil(padding + this.#baseHeight * this.scaleFactor); - const [parentWidth, parentHeight] = this.parentDimensions; - this.width = width / parentWidth; - this.height = height / parentHeight; - this.#aspectRatio = width / height; - this.#setMinDims(); - const prevTranslationX = this.translationX; - const prevTranslationY = this.translationY; - this.translationX = -bbox[0]; - this.translationY = -bbox[1]; - this.#setCanvasDims(); - this.#redraw(); - this.#realWidth = width; - this.#realHeight = height; - this.setDims(width, height); - const unscaledPadding = firstTime ? padding / this.scaleFactor / 2 : 0; - this.translate(prevTranslationX - this.translationX - unscaledPadding, prevTranslationY - this.translationY - unscaledPadding); - } - #setMinDims() { - const { - style - } = this.div; - if (this.#aspectRatio >= 1) { - style.minHeight = `${RESIZER_SIZE}px`; - style.minWidth = `${Math.round(this.#aspectRatio * RESIZER_SIZE)}px`; - } else { - style.minWidth = `${RESIZER_SIZE}px`; - style.minHeight = `${Math.round(RESIZER_SIZE / this.#aspectRatio)}px`; - } - } - static deserialize(data, parent, uiManager) { - const editor = super.deserialize(data, parent, uiManager); - editor.thickness = data.thickness; - editor.color = _util.Util.makeHexColor(...data.color); - editor.opacity = data.opacity; - const [pageWidth, pageHeight] = editor.pageDimensions; - const width = editor.width * pageWidth; - const height = editor.height * pageHeight; - const scaleFactor = editor.parentScale; - const padding = data.thickness / 2; - editor.#aspectRatio = width / height; - editor.#disableEditing = true; - editor.#realWidth = Math.round(width); - editor.#realHeight = Math.round(height); - for (const { - bezier - } of data.paths) { - const path = []; - editor.paths.push(path); - let p0 = scaleFactor * (bezier[0] - padding); - let p1 = scaleFactor * (height - bezier[1] - padding); - for (let i = 2, ii = bezier.length; i < ii; i += 6) { - const p10 = scaleFactor * (bezier[i] - padding); - const p11 = scaleFactor * (height - bezier[i + 1] - padding); - const p20 = scaleFactor * (bezier[i + 2] - padding); - const p21 = scaleFactor * (height - bezier[i + 3] - padding); - const p30 = scaleFactor * (bezier[i + 4] - padding); - const p31 = scaleFactor * (height - bezier[i + 5] - padding); - path.push([[p0, p1], [p10, p11], [p20, p21], [p30, p31]]); - p0 = p30; - p1 = p31; - } - const path2D = this.#buildPath2D(path); - editor.bezierPath2D.push(path2D); - } - const bbox = editor.#getBbox(); - editor.#baseWidth = Math.max(RESIZER_SIZE, bbox[2] - bbox[0]); - editor.#baseHeight = Math.max(RESIZER_SIZE, bbox[3] - bbox[1]); - editor.#setScaleFactor(width, height); - return editor; - } - serialize() { - if (this.isEmpty()) { - return null; - } - const rect = this.getRect(0, 0); - const height = this.rotation % 180 === 0 ? rect[3] - rect[1] : rect[2] - rect[0]; - const color = _editor.AnnotationEditor._colorManager.convert(this.ctx.strokeStyle); - return { - annotationType: _util.AnnotationEditorType.INK, - color, - thickness: this.thickness, - opacity: this.opacity, - paths: this.#serializePaths(this.scaleFactor / this.parentScale, this.translationX, this.translationY, height), - pageIndex: this.pageIndex, - rect, - rotation: this.rotation - }; + const padding = FreeTextEditor._internalPadding * this.parentScale; + this.#initialData.rect = this.getRect(padding, padding); } } -exports.InkEditor = InkEditor; + + exports.FreeTextEditor = FreeTextEditor; /***/ }), -/* 30 */ + /* 29 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { @@ -11658,320 +14158,13 @@ exports.InkEditor = InkEditor; Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.fitCurve = void 0; -const fitCurve = __w_pdfjs_require__(31); -exports.fitCurve = fitCurve; - -/***/ }), -/* 31 */ -/***/ ((module) => { - - - -function fitCurve(points, maxError, progressCallback) { - if (!Array.isArray(points)) { - throw new TypeError("First argument should be an array"); - } - points.forEach(point => { - if (!Array.isArray(point) || point.some(item => typeof item !== 'number') || point.length !== points[0].length) { - throw Error("Each point should be an array of numbers. Each point should have the same amount of numbers."); - } - }); - points = points.filter((point, i) => i === 0 || !point.every((val, j) => val === points[i - 1][j])); - if (points.length < 2) { - return []; - } - const len = points.length; - const leftTangent = createTangent(points[1], points[0]); - const rightTangent = createTangent(points[len - 2], points[len - 1]); - return fitCubic(points, leftTangent, rightTangent, maxError, progressCallback); -} -function fitCubic(points, leftTangent, rightTangent, error, progressCallback) { - const MaxIterations = 20; - var bezCurve, u, uPrime, maxError, prevErr, splitPoint, prevSplit, centerVector, toCenterTangent, fromCenterTangent, beziers, dist, i; - if (points.length === 2) { - dist = maths.vectorLen(maths.subtract(points[0], points[1])) / 3.0; - bezCurve = [points[0], maths.addArrays(points[0], maths.mulItems(leftTangent, dist)), maths.addArrays(points[1], maths.mulItems(rightTangent, dist)), points[1]]; - return [bezCurve]; - } - u = chordLengthParameterize(points); - [bezCurve, maxError, splitPoint] = generateAndReport(points, u, u, leftTangent, rightTangent, progressCallback); - if (maxError === 0 || maxError < error) { - return [bezCurve]; - } - if (maxError < error * error) { - uPrime = u; - prevErr = maxError; - prevSplit = splitPoint; - for (i = 0; i < MaxIterations; i++) { - uPrime = reparameterize(bezCurve, points, uPrime); - [bezCurve, maxError, splitPoint] = generateAndReport(points, u, uPrime, leftTangent, rightTangent, progressCallback); - if (maxError < error) { - return [bezCurve]; - } else if (splitPoint === prevSplit) { - let errChange = maxError / prevErr; - if (errChange > .9999 && errChange < 1.0001) { - break; - } - } - prevErr = maxError; - prevSplit = splitPoint; - } - } - beziers = []; - centerVector = maths.subtract(points[splitPoint - 1], points[splitPoint + 1]); - if (centerVector.every(val => val === 0)) { - centerVector = maths.subtract(points[splitPoint - 1], points[splitPoint]); - [centerVector[0], centerVector[1]] = [-centerVector[1], centerVector[0]]; - } - toCenterTangent = maths.normalize(centerVector); - fromCenterTangent = maths.mulItems(toCenterTangent, -1); - beziers = beziers.concat(fitCubic(points.slice(0, splitPoint + 1), leftTangent, toCenterTangent, error, progressCallback)); - beziers = beziers.concat(fitCubic(points.slice(splitPoint), fromCenterTangent, rightTangent, error, progressCallback)); - return beziers; -} -; -function generateAndReport(points, paramsOrig, paramsPrime, leftTangent, rightTangent, progressCallback) { - var bezCurve, maxError, splitPoint; - bezCurve = generateBezier(points, paramsPrime, leftTangent, rightTangent, progressCallback); - [maxError, splitPoint] = computeMaxError(points, bezCurve, paramsOrig); - if (progressCallback) { - progressCallback({ - bez: bezCurve, - points: points, - params: paramsOrig, - maxErr: maxError, - maxPoint: splitPoint - }); - } - return [bezCurve, maxError, splitPoint]; -} -function generateBezier(points, parameters, leftTangent, rightTangent) { - var bezCurve, - A, - a, - C, - X, - det_C0_C1, - det_C0_X, - det_X_C1, - alpha_l, - alpha_r, - epsilon, - segLength, - i, - len, - tmp, - u, - ux, - firstPoint = points[0], - lastPoint = points[points.length - 1]; - bezCurve = [firstPoint, null, null, lastPoint]; - A = maths.zeros_Xx2x2(parameters.length); - for (i = 0, len = parameters.length; i < len; i++) { - u = parameters[i]; - ux = 1 - u; - a = A[i]; - a[0] = maths.mulItems(leftTangent, 3 * u * (ux * ux)); - a[1] = maths.mulItems(rightTangent, 3 * ux * (u * u)); - } - C = [[0, 0], [0, 0]]; - X = [0, 0]; - for (i = 0, len = points.length; i < len; i++) { - u = parameters[i]; - a = A[i]; - C[0][0] += maths.dot(a[0], a[0]); - C[0][1] += maths.dot(a[0], a[1]); - C[1][0] += maths.dot(a[0], a[1]); - C[1][1] += maths.dot(a[1], a[1]); - tmp = maths.subtract(points[i], bezier.q([firstPoint, firstPoint, lastPoint, lastPoint], u)); - X[0] += maths.dot(a[0], tmp); - X[1] += maths.dot(a[1], tmp); - } - det_C0_C1 = C[0][0] * C[1][1] - C[1][0] * C[0][1]; - det_C0_X = C[0][0] * X[1] - C[1][0] * X[0]; - det_X_C1 = X[0] * C[1][1] - X[1] * C[0][1]; - alpha_l = det_C0_C1 === 0 ? 0 : det_X_C1 / det_C0_C1; - alpha_r = det_C0_C1 === 0 ? 0 : det_C0_X / det_C0_C1; - segLength = maths.vectorLen(maths.subtract(firstPoint, lastPoint)); - epsilon = 1.0e-6 * segLength; - if (alpha_l < epsilon || alpha_r < epsilon) { - bezCurve[1] = maths.addArrays(firstPoint, maths.mulItems(leftTangent, segLength / 3.0)); - bezCurve[2] = maths.addArrays(lastPoint, maths.mulItems(rightTangent, segLength / 3.0)); - } else { - bezCurve[1] = maths.addArrays(firstPoint, maths.mulItems(leftTangent, alpha_l)); - bezCurve[2] = maths.addArrays(lastPoint, maths.mulItems(rightTangent, alpha_r)); - } - return bezCurve; -} -; -function reparameterize(bezier, points, parameters) { - return parameters.map((p, i) => newtonRaphsonRootFind(bezier, points[i], p)); -} -; -function newtonRaphsonRootFind(bez, point, u) { - var d = maths.subtract(bezier.q(bez, u), point), - qprime = bezier.qprime(bez, u), - numerator = maths.mulMatrix(d, qprime), - denominator = maths.sum(maths.squareItems(qprime)) + 2 * maths.mulMatrix(d, bezier.qprimeprime(bez, u)); - if (denominator === 0) { - return u; - } else { - return u - numerator / denominator; - } -} -; -function chordLengthParameterize(points) { - var u = [], - currU, - prevU, - prevP; - points.forEach((p, i) => { - currU = i ? prevU + maths.vectorLen(maths.subtract(p, prevP)) : 0; - u.push(currU); - prevU = currU; - prevP = p; - }); - u = u.map(x => x / prevU); - return u; -} -; -function computeMaxError(points, bez, parameters) { - var dist, maxDist, splitPoint, v, i, count, point, t; - maxDist = 0; - splitPoint = Math.floor(points.length / 2); - const t_distMap = mapTtoRelativeDistances(bez, 10); - for (i = 0, count = points.length; i < count; i++) { - point = points[i]; - t = find_t(bez, parameters[i], t_distMap, 10); - v = maths.subtract(bezier.q(bez, t), point); - dist = v[0] * v[0] + v[1] * v[1]; - if (dist > maxDist) { - maxDist = dist; - splitPoint = i; - } - } - return [maxDist, splitPoint]; -} -; -var mapTtoRelativeDistances = function (bez, B_parts) { - var B_t_curr; - var B_t_dist = [0]; - var B_t_prev = bez[0]; - var sumLen = 0; - for (var i = 1; i <= B_parts; i++) { - B_t_curr = bezier.q(bez, i / B_parts); - sumLen += maths.vectorLen(maths.subtract(B_t_curr, B_t_prev)); - B_t_dist.push(sumLen); - B_t_prev = B_t_curr; - } - B_t_dist = B_t_dist.map(x => x / sumLen); - return B_t_dist; -}; -function find_t(bez, param, t_distMap, B_parts) { - if (param < 0) { - return 0; - } - if (param > 1) { - return 1; - } - var lenMax, lenMin, tMax, tMin, t; - for (var i = 1; i <= B_parts; i++) { - if (param <= t_distMap[i]) { - tMin = (i - 1) / B_parts; - tMax = i / B_parts; - lenMin = t_distMap[i - 1]; - lenMax = t_distMap[i]; - t = (param - lenMin) / (lenMax - lenMin) * (tMax - tMin) + tMin; - break; - } - } - return t; -} -function createTangent(pointA, pointB) { - return maths.normalize(maths.subtract(pointA, pointB)); -} -class maths { - static zeros_Xx2x2(x) { - var zs = []; - while (x--) { - zs.push([0, 0]); - } - return zs; - } - static mulItems(items, multiplier) { - return items.map(x => x * multiplier); - } - static mulMatrix(m1, m2) { - return m1.reduce((sum, x1, i) => sum + x1 * m2[i], 0); - } - static subtract(arr1, arr2) { - return arr1.map((x1, i) => x1 - arr2[i]); - } - static addArrays(arr1, arr2) { - return arr1.map((x1, i) => x1 + arr2[i]); - } - static addItems(items, addition) { - return items.map(x => x + addition); - } - static sum(items) { - return items.reduce((sum, x) => sum + x); - } - static dot(m1, m2) { - return maths.mulMatrix(m1, m2); - } - static vectorLen(v) { - return Math.hypot(...v); - } - static divItems(items, divisor) { - return items.map(x => x / divisor); - } - static squareItems(items) { - return items.map(x => x * x); - } - static normalize(v) { - return this.divItems(v, this.vectorLen(v)); - } -} -class bezier { - static q(ctrlPoly, t) { - var tx = 1.0 - t; - var pA = maths.mulItems(ctrlPoly[0], tx * tx * tx), - pB = maths.mulItems(ctrlPoly[1], 3 * tx * tx * t), - pC = maths.mulItems(ctrlPoly[2], 3 * tx * t * t), - pD = maths.mulItems(ctrlPoly[3], t * t * t); - return maths.addArrays(maths.addArrays(pA, pB), maths.addArrays(pC, pD)); - } - static qprime(ctrlPoly, t) { - var tx = 1.0 - t; - var pA = maths.mulItems(maths.subtract(ctrlPoly[1], ctrlPoly[0]), 3 * tx * tx), - pB = maths.mulItems(maths.subtract(ctrlPoly[2], ctrlPoly[1]), 6 * tx * t), - pC = maths.mulItems(maths.subtract(ctrlPoly[3], ctrlPoly[2]), 3 * t * t); - return maths.addArrays(maths.addArrays(pA, pB), pC); - } - static qprimeprime(ctrlPoly, t) { - return maths.addArrays(maths.mulItems(maths.addArrays(maths.subtract(ctrlPoly[2], maths.mulItems(ctrlPoly[1], 2)), ctrlPoly[0]), 6 * (1.0 - t)), maths.mulItems(maths.addArrays(maths.subtract(ctrlPoly[3], maths.mulItems(ctrlPoly[2], 2)), ctrlPoly[1]), 6 * t)); - } -} -module.exports = fitCurve; -module.exports.fitCubic = fitCubic; -module.exports.createTangent = createTangent; - -/***/ }), -/* 32 */ -/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { - - - -Object.defineProperty(exports, "__esModule", ({ - value: true -})); -exports.AnnotationLayer = void 0; + exports.StampAnnotationElement = exports.InkAnnotationElement = exports.FreeTextAnnotationElement = exports.AnnotationLayer = void 0; var _util = __w_pdfjs_require__(1); var _display_utils = __w_pdfjs_require__(6); var _annotation_storage = __w_pdfjs_require__(3); -var _scripting_utils = __w_pdfjs_require__(33); -var _xfa_layer = __w_pdfjs_require__(34); + var _scripting_utils = __w_pdfjs_require__(30); + var _displayL10n_utils = __w_pdfjs_require__(31); + var _xfa_layer = __w_pdfjs_require__(32); const DEFAULT_TAB_INDEX = 1000; const DEFAULT_FONT_SIZE = 9; const GetElementsByNameSet = new WeakSet(); @@ -12003,6 +14196,8 @@ class AnnotationElementFactory { return new PushButtonWidgetAnnotationElement(parameters); case "Ch": return new ChoiceWidgetAnnotationElement(parameters); + case "Sig": + return new SignatureWidgetAnnotationElement(parameters); } return new WidgetAnnotationElement(parameters); case _util.AnnotationType.POPUP: @@ -12041,6 +14236,7 @@ class AnnotationElementFactory { } } class AnnotationElement { + #hasBorder = false; constructor(parameters, { isRenderable = false, ignoreBorder = false, @@ -12049,8 +14245,6 @@ class AnnotationElement { this.isRenderable = isRenderable; this.data = parameters.data; this.layer = parameters.layer; - this.page = parameters.page; - this.viewport = parameters.viewport; this.linkService = parameters.linkService; this.downloadManager = parameters.downloadManager; this.imageResourcesPath = parameters.imageResourcesPath; @@ -12060,27 +14254,62 @@ class AnnotationElement { this.enableScripting = parameters.enableScripting; this.hasJSActions = parameters.hasJSActions; this._fieldObjects = parameters.fieldObjects; + this.parent = parameters.parent; if (isRenderable) { this.container = this._createContainer(ignoreBorder); } if (createQuadrilaterals) { - this.quadrilaterals = this._createQuadrilaterals(ignoreBorder); + this._createQuadrilaterals(); } } - _createContainer(ignoreBorder = false) { + + static _hasPopupData({ + titleObj, + contentsObj, + richText + }) { + return !!(titleObj?.str || contentsObj?.str || richText?.str); + } + + get hasPopupData() { + return AnnotationElement._hasPopupData(this.data); + } + + _createContainer(ignoreBorder) { const { data, - page, - viewport + parent: { + page, + viewport + } } = this; const container = document.createElement("section"); container.setAttribute("data-annotation-id", data.id); + if (!(this instanceof WidgetAnnotationElement)) { + container.tabIndex = DEFAULT_TAB_INDEX; + } + container.style.zIndex = this.parent.zIndex++; + if (this.data.popupRef) { + container.setAttribute("aria-haspopup", "dialog"); + } + if (data.noRotate) { + container.classList.add("norotate"); + } const { pageWidth, pageHeight, pageX, pageY } = viewport.rawDims; + if (!data.rect || this instanceof PopupAnnotationElement) { + const { + rotation + } = data; + if (!data.hasOwnCanvas && rotation !== 0) { + this.setRotation(rotation, container); + } + return container; + } const { width, height @@ -12118,6 +14347,7 @@ class AnnotationElement { } const borderColor = data.borderColor || null; if (borderColor) { + this.#hasBorder = true; container.style.borderColor = _util.Util.makeHexColor(borderColor[0] | 0, borderColor[1] | 0, borderColor[2] | 0); } else { container.style.borderWidth = 0; @@ -12137,10 +14367,13 @@ class AnnotationElement { return container; } setRotation(angle, container = this.container) { + if (!this.data.rect) { + return; + } const { pageWidth, pageHeight - } = this.viewport.rawDims; + } = this.parent.viewport.rawDims; const { width, height @@ -12160,26 +14393,38 @@ class AnnotationElement { get _commonActions() { const setColor = (jsName, styleName, event) => { const color = event.detail[jsName]; - event.target.style[styleName] = _scripting_utils.ColorConverters[`${color[0]}_HTML`](color.slice(1)); + const colorType = color[0]; + const colorArray = color.slice(1); + event.target.style[styleName] = _scripting_utils.ColorConverters[`${colorType}_HTML`](colorArray); + this.annotationStorage.setValue(this.data.id, { + [styleName]: _scripting_utils.ColorConverters[`${colorType}_rgb`](colorArray) + }); }; return (0, _util.shadow)(this, "_commonActions", { display: event => { - const hidden = event.detail.display % 2 === 1; + const { + display + } = event.detail; + const hidden = display % 2 === 1; this.container.style.visibility = hidden ? "hidden" : "visible"; this.annotationStorage.setValue(this.data.id, { - hidden, - print: event.detail.display === 0 || event.detail.display === 3 + noView: hidden, + noPrint: display === 1 || display === 2 }); }, print: event => { this.annotationStorage.setValue(this.data.id, { - print: event.detail.print + noPrint: !event.detail.print }); }, hidden: event => { - this.container.style.visibility = event.detail.hidden ? "hidden" : "visible"; + const { + hidden + } = event.detail; + this.container.style.visibility = hidden ? "hidden" : "visible"; this.annotationStorage.setValue(this.data.id, { - hidden: event.detail.hidden + noPrint: hidden, + noView: hidden }); }, focus: event => { @@ -12191,11 +14436,7 @@ class AnnotationElement { event.target.title = event.detail.userName; }, readonly: event => { - if (event.detail.readonly) { - event.target.setAttribute("readonly", ""); - } else { - event.target.removeAttribute("readonly"); - } + event.target.disabled = event.detail.readonly; }, required: event => { this._setRequired(event.target, event.detail.required); @@ -12257,49 +14498,108 @@ class AnnotationElement { } } } - _createQuadrilaterals(ignoreBorder = false) { - if (!this.data.quadPoints) { - return null; + + _createQuadrilaterals() { + if (!this.container) { + return; + } + const { + quadPoints + } = this.data; + if (!quadPoints) { + return; } - const quadrilaterals = []; - const savedRect = this.data.rect; - for (const quadPoint of this.data.quadPoints) { - this.data.rect = [quadPoint[2].x, quadPoint[2].y, quadPoint[1].x, quadPoint[1].y]; - quadrilaterals.push(this._createContainer(ignoreBorder)); + const [rectBlX, rectBlY, rectTrX, rectTrY] = this.data.rect; + if (quadPoints.length === 1) { + const [, { + x: trX, + y: trY + }, { + x: blX, + y: blY + }] = quadPoints[0]; + if (rectTrX === trX && rectTrY === trY && rectBlX === blX && rectBlY === blY) { + return; + } + } + const { + style + } = this.container; + let svgBuffer; + if (this.#hasBorder) { + const { + borderColor, + borderWidth + } = style; + style.borderWidth = 0; + svgBuffer = ["url('data:image/svg+xml;utf8,", ``, ``]; + this.container.classList.add("hasBorder"); } - this.data.rect = savedRect; - return quadrilaterals; - } - _createPopup(trigger, data) { - let container = this.container; - if (this.quadrilaterals) { - trigger = trigger || this.quadrilaterals; - container = this.quadrilaterals[0]; + const width = rectTrX - rectBlX; + const height = rectTrY - rectBlY; + const { + svgFactory + } = this; + const svg = svgFactory.createElement("svg"); + svg.classList.add("quadrilateralsContainer"); + svg.setAttribute("width", 0); + svg.setAttribute("height", 0); + const defs = svgFactory.createElement("defs"); + svg.append(defs); + const clipPath = svgFactory.createElement("clipPath"); + const id = `clippath_${this.data.id}`; + clipPath.setAttribute("id", id); + clipPath.setAttribute("clipPathUnits", "objectBoundingBox"); + defs.append(clipPath); + for (const [, { + x: trX, + y: trY + }, { + x: blX, + y: blY + }] of quadPoints) { + const rect = svgFactory.createElement("rect"); + const x = (blX - rectBlX) / width; + const y = (rectTrY - trY) / height; + const rectWidth = (trX - blX) / width; + const rectHeight = (trY - blY) / height; + rect.setAttribute("x", x); + rect.setAttribute("y", y); + rect.setAttribute("width", rectWidth); + rect.setAttribute("height", rectHeight); + clipPath.append(rect); + svgBuffer?.push(``); } - if (!trigger) { - trigger = document.createElement("div"); - trigger.className = "popupTriggerArea"; - container.append(trigger); + if (this.#hasBorder) { + svgBuffer.push(`')`); + style.backgroundImage = svgBuffer.join(""); + } + this.container.append(svg); + this.container.style.clipPath = `url(#${id})`; } - const popupElement = new PopupElement({ + + _createPopup() { + const { container, - trigger, - color: data.color, - titleObj: data.titleObj, - modificationDate: data.modificationDate, - contentsObj: data.contentsObj, - richText: data.richText, - hideWrapper: true + data + } = this; + container.setAttribute("aria-haspopup", "dialog"); + const popup = new PopupAnnotationElement({ + data: { + color: data.color, + titleObj: data.titleObj, + modificationDate: data.modificationDate, + contentsObj: data.contentsObj, + richText: data.richText, + parentRect: data.rect, + borderStyle: 0, + id: `popup_${data.id}`, + rotation: data.rotation + }, + parent: this.parent, + elements: [this] }); - const popup = popupElement.render(); - popup.style.left = "100%"; - container.append(popup); - } - _renderQuadrilaterals(className) { - for (const quadrilateral of this.quadrilaterals) { - quadrilateral.className = className; - } - return this.quadrilaterals; + this.parent.div.append(popup.render()); } render() { (0, _util.unreachable)("Abstract method `AnnotationElement.render` called"); @@ -12354,6 +14654,51 @@ class AnnotationElement { } return fields; } + + show() { + if (this.container) { + this.container.hidden = false; + } + this.popup?.maybeShow(); + } + + hide() { + if (this.container) { + this.container.hidden = true; + } + this.popup?.forceHide(); + } + + getElementsToTriggerPopup() { + return this.container; + } + + addHighlightArea() { + const triggers = this.getElementsToTriggerPopup(); + if (Array.isArray(triggers)) { + for (const element of triggers) { + element.classList.add("highlightArea"); + } + } else { + triggers.classList.add("highlightArea"); + } + } + + _editOnDoubleClick() { + const { + annotationEditorType: mode, + data: { + id: editId + } + } = this; + this.container.addEventListener("dblclick", () => { + this.linkService.eventBus?.dispatch("switchannotationeditormode", { + source: this, + mode, + editId + }); + }); + } } class LinkAnnotationElement extends AnnotationElement { constructor(parameters, options = null) { @@ -12400,14 +14745,7 @@ class LinkAnnotationElement extends AnnotationElement { isBound = true; } } - if (this.quadrilaterals) { - return this._renderQuadrilaterals("linkAnnotation").map((quadrilateral, index) => { - const linkElement = index === 0 ? link : link.cloneNode(); - quadrilateral.append(linkElement); - return quadrilateral; - }); - } - this.container.className = "linkAnnotation"; + this.container.classList.add("linkAnnotation"); if (isBound) { this.container.append(link); } @@ -12581,13 +14919,12 @@ class LinkAnnotationElement extends AnnotationElement { } class TextAnnotationElement extends AnnotationElement { constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable + isRenderable: true }); } render() { - this.container.className = "textAnnotation"; + this.container.classList.add("textAnnotation"); const image = document.createElement("img"); image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg"; image.alt = "[{{type}} Annotation]"; @@ -12595,8 +14932,8 @@ class TextAnnotationElement extends AnnotationElement { image.dataset.l10nArgs = JSON.stringify({ type: this.data.name }); - if (!this.data.hasPopup) { - this._createPopup(image, this.data); + if (!this.data.popupRef && this.hasPopupData) { + this._createPopup(); } this.container.append(image); return this.container; @@ -12609,6 +14946,15 @@ class WidgetAnnotationElement extends AnnotationElement { } return this.container; } + + showElementAndHideCanvas(element) { + if (this.data.hasOwnCanvas) { + if (element.previousSibling?.nodeName === "CANVAS") { + element.previousSibling.hidden = true; + } + element.hidden = false; + } + } _getKeyModifier(event) { const { isWin, @@ -12616,7 +14962,8 @@ class WidgetAnnotationElement extends AnnotationElement { } = _util.FeatureTest.platform; return isWin && event.ctrlKey || isMac && event.metaKey; } - _setEventListener(element, baseName, eventName, valueGetter) { + + _setEventListener(element, elementData, baseName, eventName, valueGetter) { if (baseName.includes("mouse")) { element.addEventListener(baseName, event => { this.linkService.eventBus?.dispatch("dispatcheventinsandbox", { @@ -12632,6 +14979,20 @@ class WidgetAnnotationElement extends AnnotationElement { }); } else { element.addEventListener(baseName, event => { + if (baseName === "blur") { + if (!elementData.focused || !event.relatedTarget) { + return; + } + elementData.focused = false; + } else if (baseName === "focus") { + if (elementData.focused) { + return; + } + elementData.focused = true; + } + if (!valueGetter) { + return; + } this.linkService.eventBus?.dispatch("dispatcheventinsandbox", { source: this, detail: { @@ -12643,10 +15004,21 @@ class WidgetAnnotationElement extends AnnotationElement { }); } } - _setEventListeners(element, names, getter) { + + _setEventListeners(element, elementData, names, getter) { for (const [baseName, eventName] of names) { if (eventName === "Action" || this.data.actions?.[eventName]) { - this._setEventListener(element, baseName, eventName, getter); + if (eventName === "Focus" || eventName === "Blur") { + elementData ||= { + focused: false + }; + } + this._setEventListener(element, elementData, baseName, eventName, getter); + if (eventName === "Focus" && !this.data.actions?.Blur) { + this._setEventListener(element, elementData, "blur", "Blur", null); + } else if (eventName === "Blur" && !this.data.actions?.Focus) { + this._setEventListener(element, elementData, "focus", "Focus", null); + } } } } @@ -12709,39 +15081,47 @@ class TextWidgetAnnotationElement extends WidgetAnnotationElement { render() { const storage = this.annotationStorage; const id = this.data.id; - this.container.className = "textWidgetAnnotation"; + this.container.classList.add("textWidgetAnnotation"); let element = null; if (this.renderForms) { const storedData = storage.getValue(id, { value: this.data.fieldValue }); - let textContent = storedData.formattedValue || storedData.value || ""; + let textContent = storedData.value || ""; const maxLen = storage.getValue(id, { charLimit: this.data.maxLen }).charLimit; if (maxLen && textContent.length > maxLen) { textContent = textContent.slice(0, maxLen); } + let fieldFormattedValues = storedData.formattedValue || this.data.textContent?.join("\n") || null; + if (fieldFormattedValues && this.data.comb) { + fieldFormattedValues = fieldFormattedValues.replaceAll(/\s+/g, ""); + } const elementData = { userValue: textContent, - formattedValue: null, + formattedValue: fieldFormattedValues, lastCommittedValue: null, - commitKey: 1 + commitKey: 1, + focused: false }; if (this.data.multiLine) { element = document.createElement("textarea"); - element.textContent = textContent; + element.textContent = fieldFormattedValues ?? textContent; if (this.data.doNotScroll) { element.style.overflowY = "hidden"; } } else { element = document.createElement("input"); element.type = "text"; - element.setAttribute("value", textContent); + element.setAttribute("value", fieldFormattedValues ?? textContent); if (this.data.doNotScroll) { element.style.overflowX = "hidden"; } } + if (this.data.hasOwnCanvas) { + element.hidden = true; + } GetElementsByNameSet.add(element); element.setAttribute("data-element-id", id); element.disabled = this.data.readOnly; @@ -12756,6 +15136,7 @@ class TextWidgetAnnotationElement extends WidgetAnnotationElement { value: event.target.value }); this.setPropertyOnSiblings(element, "value", event.target.value, "value"); + elementData.formattedValue = null; }); element.addEventListener("resetform", event => { const defaultValue = this.data.defaultFieldValue ?? ""; @@ -12773,6 +15154,9 @@ class TextWidgetAnnotationElement extends WidgetAnnotationElement { }; if (this.enableScripting && this.hasJSActions) { element.addEventListener("focus", event => { + if (elementData.focused) { + return; + } const { target } = event; @@ -12781,8 +15165,10 @@ class TextWidgetAnnotationElement extends WidgetAnnotationElement { } elementData.lastCommittedValue = target.value; elementData.commitKey = 1; + elementData.focused = true; }); element.addEventListener("updatefromsandbox", jsEvent => { + this.showElementAndHideCanvas(jsEvent.target); const actions = { value(event) { elementData.userValue = event.detail.value ?? ""; @@ -12880,9 +15266,10 @@ class TextWidgetAnnotationElement extends WidgetAnnotationElement { const _blurListener = blurListener; blurListener = null; element.addEventListener("blur", event => { - if (!event.relatedTarget) { + if (!elementData.focused || !event.relatedTarget) { return; } + elementData.focused = false; const { value } = event.target; @@ -12960,7 +15347,7 @@ class TextWidgetAnnotationElement extends WidgetAnnotationElement { }); }); } - this._setEventListeners(element, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.value); + this._setEventListeners(element, elementData, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.value); } if (blurListener) { element.addEventListener("blur", blurListener); @@ -12984,6 +15371,14 @@ class TextWidgetAnnotationElement extends WidgetAnnotationElement { return this.container; } } + + class SignatureWidgetAnnotationElement extends WidgetAnnotationElement { + constructor(parameters) { + super(parameters, { + isRenderable: !!parameters.data.hasOwnCanvas + }); + } + } class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement { constructor(parameters) { super(parameters, { @@ -13003,7 +15398,7 @@ class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement { value }); } - this.container.className = "buttonWidgetAnnotation checkBox"; + this.container.classList.add("buttonWidgetAnnotation", "checkBox"); const element = document.createElement("input"); GetElementsByNameSet.add(element); element.setAttribute("data-element-id", id); @@ -13050,7 +15445,7 @@ class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement { }; this._dispatchEventFromSandbox(actions, jsEvent); }); - this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked); + this._setEventListeners(element, null, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked); } this._setBackgroundColor(element); this._setDefaultPropertiesFromJS(element); @@ -13065,7 +15460,7 @@ class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement { }); } render() { - this.container.className = "buttonWidgetAnnotation radioButton"; + this.container.classList.add("buttonWidgetAnnotation", "radioButton"); const storage = this.annotationStorage; const data = this.data; const id = data.id; @@ -13126,7 +15521,7 @@ class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement { }; this._dispatchEventFromSandbox(actions, jsEvent); }); - this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked); + this._setEventListeners(element, null, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked); } this._setBackgroundColor(element); this._setDefaultPropertiesFromJS(element); @@ -13142,7 +15537,7 @@ class PushButtonWidgetAnnotationElement extends LinkAnnotationElement { } render() { const container = super.render(); - container.className = "buttonWidgetAnnotation pushButton"; + container.classList.add("buttonWidgetAnnotation", "pushButton"); if (this.data.alternativeText) { container.title = this.data.alternativeText; } @@ -13163,7 +15558,7 @@ class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement { }); } render() { - this.container.className = "choiceWidgetAnnotation"; + this.container.classList.add("choiceWidgetAnnotation"); const storage = this.annotationStorage; const id = this.data.id; const storedData = storage.getValue(id, { @@ -13361,7 +15756,7 @@ class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement { } }); }); - this._setEventListeners(selectElement, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"], ["input", "Action"]], event => event.target.checked); + this._setEventListeners(selectElement, null, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"], ["input", "Action"], ["input", "Validate"]], event => event.target.value); } else { selectElement.addEventListener("input", function (event) { storage.setValue(id, { @@ -13379,119 +15774,191 @@ class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement { } } class PopupAnnotationElement extends AnnotationElement { - static IGNORE_TYPES = new Set(["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"]); constructor(parameters) { const { - data + data, + elements } = parameters; - const isRenderable = !PopupAnnotationElement.IGNORE_TYPES.has(data.parentType) && !!(data.titleObj?.str || data.contentsObj?.str || data.richText?.str); super(parameters, { - isRenderable + isRenderable: AnnotationElement._hasPopupData(data) }); + this.elements = elements; } render() { - this.container.className = "popupAnnotation"; - const parentElements = this.layer.querySelectorAll(`[data-annotation-id="${this.data.parentId}"]`); - if (parentElements.length === 0) { - return this.container; - } + this.container.classList.add("popupAnnotation"); const popup = new PopupElement({ container: this.container, - trigger: Array.from(parentElements), color: this.data.color, titleObj: this.data.titleObj, modificationDate: this.data.modificationDate, contentsObj: this.data.contentsObj, - richText: this.data.richText + richText: this.data.richText, + rect: this.data.rect, + parentRect: this.data.parentRect || null, + parent: this.parent, + elements: this.elements, + open: this.data.open }); - const page = this.page; - const rect = _util.Util.normalizeRect([this.data.parentRect[0], page.view[3] - this.data.parentRect[1] + page.view[1], this.data.parentRect[2], page.view[3] - this.data.parentRect[3] + page.view[1]]); - const popupLeft = rect[0] + this.data.parentRect[2] - this.data.parentRect[0]; - const popupTop = rect[1]; - const { - pageWidth, - pageHeight, - pageX, - pageY - } = this.viewport.rawDims; - this.container.style.left = `${100 * (popupLeft - pageX) / pageWidth}%`; - this.container.style.top = `${100 * (popupTop - pageY) / pageHeight}%`; - this.container.append(popup.render()); - return this.container; + const elementIds = []; + for (const element of this.elements) { + element.popup = popup; + elementIds.push(element.data.id); + element.addHighlightArea(); + } + this.container.setAttribute("aria-controls", elementIds.map(id => `${_util.AnnotationPrefix}${id}`).join(",")); + return this.container; } } -class PopupElement { - constructor(parameters) { - this.container = parameters.container; - this.trigger = parameters.trigger; - this.color = parameters.color; - this.titleObj = parameters.titleObj; - this.modificationDate = parameters.modificationDate; - this.contentsObj = parameters.contentsObj; - this.richText = parameters.richText; - this.hideWrapper = parameters.hideWrapper || false; - this.pinned = false; - } - render() { - const BACKGROUND_ENLIGHT = 0.7; - const wrapper = document.createElement("div"); - wrapper.className = "popupWrapper"; - this.hideElement = this.hideWrapper ? wrapper : this.container; - this.hideElement.hidden = true; - const popup = document.createElement("div"); - popup.className = "popup"; - const color = this.color; - if (color) { - const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0]; - const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1]; - const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2]; - popup.style.backgroundColor = _util.Util.makeHexColor(r | 0, g | 0, b | 0); - } + + class PopupElement { + #dateTimePromise = null; + #boundKeyDown = this.#keyDown.bind(this); + #boundHide = this.#hide.bind(this); + #boundShow = this.#show.bind(this); + #boundToggle = this.#toggle.bind(this); + #color = null; + #container = null; + #contentsObj = null; + #elements = null; + #parent = null; + #parentRect = null; + #pinned = false; + #popup = null; + #rect = null; + #richText = null; + #titleObj = null; + #wasVisible = false; + + constructor({ + container, + color, + elements, + titleObj, + modificationDate, + contentsObj, + richText, + parent, + rect, + parentRect, + open + }) { + this.#container = container; + this.#titleObj = titleObj; + this.#contentsObj = contentsObj; + this.#richText = richText; + this.#parent = parent; + this.#color = color; + this.#rect = rect; + this.#parentRect = parentRect; + this.#elements = elements; + const dateObject = _display_utils.PDFDateString.toDateObject(modificationDate); + if (dateObject) { + this.#dateTimePromise = parent.l10n.get("annotation_date_string", { + date: dateObject.toLocaleDateString(), + time: dateObject.toLocaleTimeString() + }); + } + this.trigger = elements.flatMap(e => e.getElementsToTriggerPopup()); + for (const element of this.trigger) { + element.addEventListener("click", this.#boundToggle); + element.addEventListener("mouseenter", this.#boundShow); + element.addEventListener("mouseleave", this.#boundHide); + element.classList.add("popupTriggerArea"); + } + for (const element of elements) { + element.container?.addEventListener("keydown", this.#boundKeyDown); + } + this.#container.hidden = true; + if (open) { + this.#toggle(); + } + } + + render() { + if (this.#popup) { + return; + } + const { + page: { + view + }, + viewport: { + rawDims: { + pageWidth, + pageHeight, + pageX, + pageY + } + } + } = this.#parent; + const popup = this.#popup = document.createElement("div"); + popup.className = "popup"; + if (this.#color) { + const baseColor = popup.style.outlineColor = _util.Util.makeHexColor(...this.#color); + if (CSS.supports("background-color", "color-mix(in srgb, red 30%, white)")) { + popup.style.backgroundColor = `color-mix(in srgb, ${baseColor} 30%, white)`; + } else { + const BACKGROUND_ENLIGHT = 0.7; + popup.style.backgroundColor = _util.Util.makeHexColor(...this.#color.map(c => Math.floor(BACKGROUND_ENLIGHT * (255 - c) + c))); + } + } + const header = document.createElement("span"); + header.className = "header"; const title = document.createElement("h1"); - title.dir = this.titleObj.dir; - title.textContent = this.titleObj.str; - popup.append(title); - const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate); - if (dateObject) { + header.append(title); + ({ + dir: title.dir, + str: title.textContent + } = this.#titleObj); + popup.append(header); + if (this.#dateTimePromise) { const modificationDate = document.createElement("span"); - modificationDate.className = "popupDate"; - modificationDate.textContent = "{{date}}, {{time}}"; - modificationDate.dataset.l10nId = "annotation_date_string"; - modificationDate.dataset.l10nArgs = JSON.stringify({ - date: dateObject.toLocaleDateString(), - time: dateObject.toLocaleTimeString() + modificationDate.classList.add("popupDate"); + this.#dateTimePromise.then(localized => { + modificationDate.textContent = localized; }); - popup.append(modificationDate); + header.append(modificationDate); } - if (this.richText?.str && (!this.contentsObj?.str || this.contentsObj.str === this.richText.str)) { + const contentsObj = this.#contentsObj; + const richText = this.#richText; + if (richText?.str && (!contentsObj?.str || contentsObj.str === richText.str)) { _xfa_layer.XfaLayer.render({ - xfaHtml: this.richText.html, + xfaHtml: richText.html, intent: "richText", div: popup }); - popup.lastChild.className = "richText popupContent"; + popup.lastChild.classList.add("richText", "popupContent"); } else { - const contents = this._formatContents(this.contentsObj); + const contents = this._formatContents(contentsObj); popup.append(contents); } - if (!Array.isArray(this.trigger)) { - this.trigger = [this.trigger]; + let useParentRect = !!this.#parentRect; + let rect = useParentRect ? this.#parentRect : this.#rect; + for (const element of this.#elements) { + if (!rect || _util.Util.intersect(element.data.rect, rect) !== null) { + rect = element.data.rect; + useParentRect = true; + break; + } } - for (const element of this.trigger) { - element.addEventListener("click", this._toggle.bind(this)); - element.addEventListener("mouseover", this._show.bind(this, false)); - element.addEventListener("mouseout", this._hide.bind(this, false)); - } - popup.addEventListener("click", this._hide.bind(this, true)); - wrapper.append(popup); - return wrapper; + const normalizedRect = _util.Util.normalizeRect([rect[0], view[3] - rect[1] + view[1], rect[2], view[3] - rect[3] + view[1]]); + const HORIZONTAL_SPACE_AFTER_ANNOTATION = 5; + const parentWidth = useParentRect ? rect[2] - rect[0] + HORIZONTAL_SPACE_AFTER_ANNOTATION : 0; + const popupLeft = normalizedRect[0] + parentWidth; + const popupTop = normalizedRect[1]; + const { + style + } = this.#container; + style.left = `${100 * (popupLeft - pageX) / pageWidth}%`; + style.top = `${100 * (popupTop - pageY) / pageHeight}%`; + this.#container.append(popup); } _formatContents({ str, dir }) { const p = document.createElement("p"); - p.className = "popupContent"; + p.classList.add("popupContent"); p.dir = dir; const lines = str.split(/(?:\r\n?|\n)/); for (let i = 0, ii = lines.length; i < ii; ++i) { @@ -13503,46 +15970,85 @@ class PopupElement { } return p; } - _toggle() { - if (this.pinned) { - this._hide(true); + + #keyDown(event) { + if (event.altKey || event.shiftKey || event.ctrlKey || event.metaKey) { + return; + } + if (event.key === "Enter" || event.key === "Escape" && this.#pinned) { + this.#toggle(); + } + } + + #toggle() { + this.#pinned = !this.#pinned; + if (this.#pinned) { + this.#show(); + this.#container.addEventListener("click", this.#boundToggle); + this.#container.addEventListener("keydown", this.#boundKeyDown); } else { - this._show(true); + this.#hide(); + this.#container.removeEventListener("click", this.#boundToggle); + this.#container.removeEventListener("keydown", this.#boundKeyDown); + } + } + + #show() { + if (!this.#popup) { + this.render(); + } + if (!this.isVisible) { + this.#container.hidden = false; + this.#container.style.zIndex = parseInt(this.#container.style.zIndex) + 1000; + } else if (this.#pinned) { + this.#container.classList.add("focused"); } } - _show(pin = false) { - if (pin) { - this.pinned = true; + + #hide() { + this.#container.classList.remove("focused"); + if (this.#pinned || !this.isVisible) { + return; } - if (this.hideElement.hidden) { - this.hideElement.hidden = false; - this.container.style.zIndex = parseInt(this.container.style.zIndex) + 1000; - } - } - _hide(unpin = true) { - if (unpin) { - this.pinned = false; - } - if (!this.hideElement.hidden && !this.pinned) { - this.hideElement.hidden = true; - this.container.style.zIndex = parseInt(this.container.style.zIndex) - 1000; + this.#container.hidden = true; + this.#container.style.zIndex = parseInt(this.#container.style.zIndex) - 1000; + } + + forceHide() { + this.#wasVisible = this.isVisible; + if (!this.#wasVisible) { + return; + } + this.#container.hidden = true; + } + + maybeShow() { + if (!this.#wasVisible) { + return; } + this.#wasVisible = false; + this.#container.hidden = false; + } + + get isVisible() { + return this.#container.hidden === false; } } class FreeTextAnnotationElement extends AnnotationElement { constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true }); this.textContent = parameters.data.textContent; + this.textPosition = parameters.data.textPosition; + this.annotationEditorType = _util.AnnotationEditorType.FREETEXT; } render() { - this.container.className = "freeTextAnnotation"; + this.container.classList.add("freeTextAnnotation"); if (this.textContent) { const content = document.createElement("div"); - content.className = "annotationTextContent"; + content.classList.add("annotationTextContent"); content.setAttribute("role", "comment"); for (const line of this.textContent) { const lineSpan = document.createElement("span"); @@ -13551,29 +16057,32 @@ class FreeTextAnnotationElement extends AnnotationElement { } this.container.append(content); } - if (!this.data.hasPopup) { - this._createPopup(null, this.data); + if (!this.data.popupRef && this.hasPopupData) { + this._createPopup(); } + this._editOnDoubleClick(); return this.container; } } + + exports.FreeTextAnnotationElement = FreeTextAnnotationElement; class LineAnnotationElement extends AnnotationElement { + #line = null; constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true }); } render() { - this.container.className = "lineAnnotation"; + this.container.classList.add("lineAnnotation"); const data = this.data; const { width, height } = getRectDims(data.rect); const svg = this.svgFactory.create(width, height, true); - const line = this.svgFactory.createElement("svg:line"); + const line = this.#line = this.svgFactory.createElement("svg:line"); line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]); line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]); line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]); @@ -13583,20 +16092,30 @@ class LineAnnotationElement extends AnnotationElement { line.setAttribute("fill", "transparent"); svg.append(line); this.container.append(svg); - this._createPopup(line, data); + if (!data.popupRef && this.hasPopupData) { + this._createPopup(); + } return this.container; } + + getElementsToTriggerPopup() { + return this.#line; + } + + addHighlightArea() { + this.container.classList.add("highlightArea"); + } } class SquareAnnotationElement extends AnnotationElement { + #square = null; constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true }); } render() { - this.container.className = "squareAnnotation"; + this.container.classList.add("squareAnnotation"); const data = this.data; const { width, @@ -13604,7 +16123,7 @@ class SquareAnnotationElement extends AnnotationElement { } = getRectDims(data.rect); const svg = this.svgFactory.create(width, height, true); const borderWidth = data.borderStyle.width; - const square = this.svgFactory.createElement("svg:rect"); + const square = this.#square = this.svgFactory.createElement("svg:rect"); square.setAttribute("x", borderWidth / 2); square.setAttribute("y", borderWidth / 2); square.setAttribute("width", width - borderWidth); @@ -13614,20 +16133,30 @@ class SquareAnnotationElement extends AnnotationElement { square.setAttribute("fill", "transparent"); svg.append(square); this.container.append(svg); - this._createPopup(square, data); + if (!data.popupRef && this.hasPopupData) { + this._createPopup(); + } return this.container; } + + getElementsToTriggerPopup() { + return this.#square; + } + + addHighlightArea() { + this.container.classList.add("highlightArea"); + } } class CircleAnnotationElement extends AnnotationElement { + #circle = null; constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true }); } render() { - this.container.className = "circleAnnotation"; + this.container.classList.add("circleAnnotation"); const data = this.data; const { width, @@ -13635,7 +16164,7 @@ class CircleAnnotationElement extends AnnotationElement { } = getRectDims(data.rect); const svg = this.svgFactory.create(width, height, true); const borderWidth = data.borderStyle.width; - const circle = this.svgFactory.createElement("svg:ellipse"); + const circle = this.#circle = this.svgFactory.createElement("svg:ellipse"); circle.setAttribute("cx", width / 2); circle.setAttribute("cy", height / 2); circle.setAttribute("rx", width / 2 - borderWidth / 2); @@ -13645,22 +16174,32 @@ class CircleAnnotationElement extends AnnotationElement { circle.setAttribute("fill", "transparent"); svg.append(circle); this.container.append(svg); - this._createPopup(circle, data); + if (!data.popupRef && this.hasPopupData) { + this._createPopup(); + } return this.container; } + + getElementsToTriggerPopup() { + return this.#circle; + } + + addHighlightArea() { + this.container.classList.add("highlightArea"); + } } class PolylineAnnotationElement extends AnnotationElement { + #polyline = null; constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true }); this.containerClassName = "polylineAnnotation"; this.svgElementName = "svg:polyline"; } render() { - this.container.className = this.containerClassName; + this.container.classList.add(this.containerClassName); const data = this.data; const { width, @@ -13674,16 +16213,26 @@ class PolylineAnnotationElement extends AnnotationElement { points.push(x + "," + y); } points = points.join(" "); - const polyline = this.svgFactory.createElement(this.svgElementName); + const polyline = this.#polyline = this.svgFactory.createElement(this.svgElementName); polyline.setAttribute("points", points); polyline.setAttribute("stroke-width", data.borderStyle.width || 1); polyline.setAttribute("stroke", "transparent"); polyline.setAttribute("fill", "transparent"); svg.append(polyline); this.container.append(svg); - this._createPopup(polyline, data); + if (!data.popupRef && this.hasPopupData) { + this._createPopup(); + } return this.container; } + + getElementsToTriggerPopup() { + return this.#polyline; + } + + addHighlightArea() { + this.container.classList.add("highlightArea"); + } } class PolygonAnnotationElement extends PolylineAnnotationElement { constructor(parameters) { @@ -13694,32 +16243,32 @@ class PolygonAnnotationElement extends PolylineAnnotationElement { } class CaretAnnotationElement extends AnnotationElement { constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true }); } render() { - this.container.className = "caretAnnotation"; - if (!this.data.hasPopup) { - this._createPopup(null, this.data); + this.container.classList.add("caretAnnotation"); + if (!this.data.popupRef && this.hasPopupData) { + this._createPopup(); } return this.container; } } class InkAnnotationElement extends AnnotationElement { + #polylines = []; constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true }); this.containerClassName = "inkAnnotation"; this.svgElementName = "svg:polyline"; + this.annotationEditorType = _util.AnnotationEditorType.INK; } render() { - this.container.className = this.containerClassName; + this.container.classList.add(this.containerClassName); const data = this.data; const { width, @@ -13735,114 +16284,113 @@ class InkAnnotationElement extends AnnotationElement { } points = points.join(" "); const polyline = this.svgFactory.createElement(this.svgElementName); + this.#polylines.push(polyline); polyline.setAttribute("points", points); polyline.setAttribute("stroke-width", data.borderStyle.width || 1); polyline.setAttribute("stroke", "transparent"); polyline.setAttribute("fill", "transparent"); - this._createPopup(polyline, data); + if (!data.popupRef && this.hasPopupData) { + this._createPopup(); + } svg.append(polyline); } this.container.append(svg); return this.container; } + + getElementsToTriggerPopup() { + return this.#polylines; + } + + addHighlightArea() { + this.container.classList.add("highlightArea"); + } } + + exports.InkAnnotationElement = InkAnnotationElement; class HighlightAnnotationElement extends AnnotationElement { constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true, createQuadrilaterals: true }); } render() { - if (!this.data.hasPopup) { - this._createPopup(null, this.data); + if (!this.data.popupRef && this.hasPopupData) { + this._createPopup(); } - if (this.quadrilaterals) { - return this._renderQuadrilaterals("highlightAnnotation"); - } - this.container.className = "highlightAnnotation"; + this.container.classList.add("highlightAnnotation"); return this.container; } } class UnderlineAnnotationElement extends AnnotationElement { constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true, createQuadrilaterals: true }); } render() { - if (!this.data.hasPopup) { - this._createPopup(null, this.data); + if (!this.data.popupRef && this.hasPopupData) { + this._createPopup(); } - if (this.quadrilaterals) { - return this._renderQuadrilaterals("underlineAnnotation"); - } - this.container.className = "underlineAnnotation"; + this.container.classList.add("underlineAnnotation"); return this.container; } } class SquigglyAnnotationElement extends AnnotationElement { constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true, createQuadrilaterals: true }); } render() { - if (!this.data.hasPopup) { - this._createPopup(null, this.data); + if (!this.data.popupRef && this.hasPopupData) { + this._createPopup(); } - if (this.quadrilaterals) { - return this._renderQuadrilaterals("squigglyAnnotation"); - } - this.container.className = "squigglyAnnotation"; + this.container.classList.add("squigglyAnnotation"); return this.container; } } class StrikeOutAnnotationElement extends AnnotationElement { constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true, createQuadrilaterals: true }); } render() { - if (!this.data.hasPopup) { - this._createPopup(null, this.data); + if (!this.data.popupRef && this.hasPopupData) { + this._createPopup(); } - if (this.quadrilaterals) { - return this._renderQuadrilaterals("strikeoutAnnotation"); - } - this.container.className = "strikeoutAnnotation"; + this.container.classList.add("strikeoutAnnotation"); return this.container; } } class StampAnnotationElement extends AnnotationElement { constructor(parameters) { - const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { - isRenderable, + isRenderable: true, ignoreBorder: true }); } render() { - this.container.className = "stampAnnotation"; - if (!this.data.hasPopup) { - this._createPopup(null, this.data); + this.container.classList.add("stampAnnotation"); + if (!this.data.popupRef && this.hasPopupData) { + this._createPopup(); } return this.container; } } + + exports.StampAnnotationElement = StampAnnotationElement; class FileAttachmentAnnotationElement extends AnnotationElement { + #trigger = null; constructor(parameters) { super(parameters, { isRenderable: true @@ -13860,46 +16408,92 @@ class FileAttachmentAnnotationElement extends AnnotationElement { }); } render() { - this.container.className = "fileAttachmentAnnotation"; + this.container.classList.add("fileAttachmentAnnotation"); + const { + container, + data + } = this; let trigger; - if (this.data.hasAppearance) { + if (data.hasAppearance || data.fillAlpha === 0) { trigger = document.createElement("div"); } else { trigger = document.createElement("img"); - trigger.src = `${this.imageResourcesPath}annotation-${/paperclip/i.test(this.data.name) ? "paperclip" : "pushpin"}.svg`; + trigger.src = `${this.imageResourcesPath}annotation-${/paperclip/i.test(data.name) ? "paperclip" : "pushpin"}.svg`; + if (data.fillAlpha && data.fillAlpha < 1) { + trigger.style = `filter: opacity(${Math.round(data.fillAlpha * 100)}%);`; + } + } + trigger.addEventListener("dblclick", this.#download.bind(this)); + this.#trigger = trigger; + const { + isMac + } = _util.FeatureTest.platform; + container.addEventListener("keydown", evt => { + if (evt.key === "Enter" && (isMac ? evt.metaKey : evt.ctrlKey)) { + this.#download(); + } + }); + if (!data.popupRef && this.hasPopupData) { + this._createPopup(); + } else { + trigger.classList.add("popupTriggerArea"); } - trigger.className = "popupTriggerArea"; - trigger.addEventListener("dblclick", this._download.bind(this)); - if (!this.data.hasPopup && (this.data.titleObj?.str || this.data.contentsObj?.str || this.data.richText)) { - this._createPopup(trigger, this.data); - } - this.container.append(trigger); - return this.container; + container.append(trigger); + return container; } - _download() { + + getElementsToTriggerPopup() { + return this.#trigger; + } + + addHighlightArea() { + this.container.classList.add("highlightArea"); + } + + #download() { this.downloadManager?.openOrDownloadData(this.container, this.content, this.filename); } } class AnnotationLayer { - static #appendElement(element, id, div, accessibilityManager) { + #accessibilityManager = null; + #annotationCanvasMap = null; + #editableAnnotations = new Map(); + + constructor({ + div, + accessibilityManager, + annotationCanvasMap, + l10n, + page, + viewport + }) { + this.div = div; + this.#accessibilityManager = accessibilityManager; + this.#annotationCanvasMap = annotationCanvasMap; + this.l10n = l10n; + this.page = page; + this.viewport = viewport; + this.zIndex = 0; + this.l10n ||= _displayL10n_utils.NullL10n; + } + + #appendElement(element, id) { const contentElement = element.firstChild || element; - contentElement.id = `${_display_utils.AnnotationPrefix}${id}`; - div.append(element); - accessibilityManager?.moveElementInDOM(div, element, contentElement, false); + contentElement.id = `${_util.AnnotationPrefix}${id}`; + this.div.append(element); + this.#accessibilityManager?.moveElementInDOM(this.div, element, contentElement, false); } - static render(params) { + + async render(params) { const { - annotations, - div, - viewport, - accessibilityManager + annotations } = params; - (0, _display_utils.setLayerDimensions)(div, viewport); + const layer = this.div; + (0, _display_utils.setLayerDimensions)(layer, this.viewport); + const popupToElements = new Map(); const elementParams = { data: null, - layer: div, - page: params.page, - viewport, + layer, linkService: params.linkService, downloadManager: params.downloadManager, imageResourcesPath: params.imageResourcesPath || "", @@ -13908,11 +16502,16 @@ class AnnotationLayer { annotationStorage: params.annotationStorage || new _annotation_storage.AnnotationStorage(), enableScripting: params.enableScripting === true, hasJSActions: params.hasJSActions, - fieldObjects: params.fieldObjects + fieldObjects: params.fieldObjects, + parent: this, + elements: null }; - let zIndex = 0; for (const data of annotations) { - if (data.annotationType !== _util.AnnotationType.POPUP) { + if (data.noHTML) { + continue; + } + const isPopupAnnotation = data.annotationType === _util.AnnotationType.POPUP; + if (!isPopupAnnotation) { const { width, height @@ -13920,50 +16519,58 @@ class AnnotationLayer { if (width <= 0 || height <= 0) { continue; } + } else { + const elements = popupToElements.get(data.id); + if (!elements) { + continue; + } + elementParams.elements = elements; } elementParams.data = data; const element = AnnotationElementFactory.create(elementParams); if (!element.isRenderable) { continue; } + if (!isPopupAnnotation && data.popupRef) { + const elements = popupToElements.get(data.popupRef); + if (!elements) { + popupToElements.set(data.popupRef, [element]); + } else { + elements.push(element); + } + } + if (element.annotationEditorType > 0) { + this.#editableAnnotations.set(element.data.id, element); + } const rendered = element.render(); if (data.hidden) { rendered.style.visibility = "hidden"; } - if (Array.isArray(rendered)) { - for (const renderedElement of rendered) { - renderedElement.style.zIndex = zIndex++; - AnnotationLayer.#appendElement(renderedElement, data.id, div, accessibilityManager); - } - } else { - rendered.style.zIndex = zIndex++; - if (element instanceof PopupAnnotationElement) { - div.prepend(rendered); - } else { - AnnotationLayer.#appendElement(rendered, data.id, div, accessibilityManager); - } - } + this.#appendElement(rendered, data.id); } - this.#setAnnotationCanvasMap(div, params.annotationCanvasMap); - } - static update(params) { - const { - annotationCanvasMap, - div, - viewport - } = params; - (0, _display_utils.setLayerDimensions)(div, { + this.#setAnnotationCanvasMap(); + await this.l10n.translate(layer); + } + + update({ + viewport + }) { + const layer = this.div; + this.viewport = viewport; + (0, _display_utils.setLayerDimensions)(layer, { rotation: viewport.rotation }); - this.#setAnnotationCanvasMap(div, annotationCanvasMap); - div.hidden = false; + this.#setAnnotationCanvasMap(); + layer.hidden = false; } - static #setAnnotationCanvasMap(div, annotationCanvasMap) { - if (!annotationCanvasMap) { + + #setAnnotationCanvasMap() { + if (!this.#annotationCanvasMap) { return; } - for (const [id, canvas] of annotationCanvasMap) { - const element = div.querySelector(`[data-annotation-id="${id}"]`); + const layer = this.div; + for (const [id, canvas] of this.#annotationCanvasMap) { + const element = layer.querySelector(`[data-annotation-id="${id}"]`); if (!element) { continue; } @@ -13978,13 +16585,21 @@ class AnnotationLayer { firstChild.before(canvas); } } - annotationCanvasMap.clear(); + this.#annotationCanvasMap.clear(); + } + + getEditableAnnotations() { + return Array.from(this.#editableAnnotations.values()); + } + + getEditableAnnotation(id) { + return this.#editableAnnotations.get(id); } } exports.AnnotationLayer = AnnotationLayer; /***/ }), -/* 33 */ + /* 30 */ /***/ ((__unused_webpack_module, exports) => { @@ -13996,6 +16611,10 @@ exports.ColorConverters = void 0; function makeColorComp(n) { return Math.floor(Math.max(0, Math.min(1, n)) * 255).toString(16).padStart(2, "0"); } + + function scaleAndClamp(x) { + return Math.max(0, Math.min(255, 255 * x)); + } class ColorConverters { static CMYK_G([c, y, m, k]) { return ["G", 1 - Math.min(1, 0.3 * c + 0.59 * m + 0.11 * y + k)]; @@ -14006,6 +16625,11 @@ class ColorConverters { static G_RGB([g]) { return ["RGB", g, g, g]; } + + static G_rgb([g]) { + g = scaleAndClamp(g); + return [g, g, g]; + } static G_HTML([g]) { const G = makeColorComp(g); return `#${G}${G}${G}`; @@ -14013,18 +16637,28 @@ class ColorConverters { static RGB_G([r, g, b]) { return ["G", 0.3 * r + 0.59 * g + 0.11 * b]; } - static RGB_HTML([r, g, b]) { - const R = makeColorComp(r); - const G = makeColorComp(g); - const B = makeColorComp(b); - return `#${R}${G}${B}`; + + static RGB_rgb(color) { + return color.map(scaleAndClamp); + } + + static RGB_HTML(color) { + return `#${color.map(makeColorComp).join("")}`; } static T_HTML() { return "#00000000"; } + + static T_rgb() { + return [null]; + } static CMYK_RGB([c, y, m, k]) { return ["RGB", 1 - Math.min(1, c + k), 1 - Math.min(1, m + k), 1 - Math.min(1, y + k)]; } + + static CMYK_rgb([c, y, m, k]) { + return [scaleAndClamp(1 - Math.min(1, c + k)), scaleAndClamp(1 - Math.min(1, m + k)), scaleAndClamp(1 - Math.min(1, y + k))]; + } static CMYK_HTML(components) { const rgb = this.CMYK_RGB(components).slice(1); return this.RGB_HTML(rgb); @@ -14040,7 +16674,109 @@ class ColorConverters { exports.ColorConverters = ColorConverters; /***/ }), -/* 34 */ + /* 31 */ + /***/ ((__unused_webpack_module, exports) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.NullL10n = void 0; + exports.getL10nFallback = getL10nFallback; + const DEFAULT_L10N_STRINGS = { + of_pages: "of {{pagesCount}}", + page_of_pages: "({{pageNumber}} of {{pagesCount}})", + document_properties_kb: "{{size_kb}} KB ({{size_b}} bytes)", + document_properties_mb: "{{size_mb}} MB ({{size_b}} bytes)", + document_properties_date_string: "{{date}}, {{time}}", + document_properties_page_size_unit_inches: "in", + document_properties_page_size_unit_millimeters: "mm", + document_properties_page_size_orientation_portrait: "portrait", + document_properties_page_size_orientation_landscape: "landscape", + document_properties_page_size_name_a3: "A3", + document_properties_page_size_name_a4: "A4", + document_properties_page_size_name_letter: "Letter", + document_properties_page_size_name_legal: "Legal", + document_properties_page_size_dimension_string: "{{width}} × {{height}} {{unit}} ({{orientation}})", + document_properties_page_size_dimension_name_string: "{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})", + document_properties_linearized_yes: "Yes", + document_properties_linearized_no: "No", + additional_layers: "Additional Layers", + page_landmark: "Page {{page}}", + thumb_page_title: "Page {{page}}", + thumb_page_canvas: "Thumbnail of Page {{page}}", + find_reached_top: "Reached top of document, continued from bottom", + find_reached_bottom: "Reached end of document, continued from top", + "find_match_count[one]": "{{current}} of {{total}} match", + "find_match_count[other]": "{{current}} of {{total}} matches", + "find_match_count_limit[one]": "More than {{limit}} match", + "find_match_count_limit[other]": "More than {{limit}} matches", + find_not_found: "Phrase not found", + page_scale_width: "Page Width", + page_scale_fit: "Page Fit", + page_scale_auto: "Automatic Zoom", + page_scale_actual: "Actual Size", + page_scale_percent: "{{scale}}%", + loading_error: "An error occurred while loading the PDF.", + invalid_file_error: "Invalid or corrupted PDF file.", + missing_file_error: "Missing PDF file.", + unexpected_response_error: "Unexpected server response.", + rendering_error: "An error occurred while rendering the page.", + annotation_date_string: "{{date}}, {{time}}", + printing_not_supported: "Warning: Printing is not fully supported by this browser.", + printing_not_ready: "Warning: The PDF is not fully loaded for printing.", + web_fonts_disabled: "Web fonts are disabled: unable to use embedded PDF fonts.", + free_text2_default_content: "Start typing…", + editor_free_text2_aria_label: "Text Editor", + editor_ink2_aria_label: "Draw Editor", + editor_ink_canvas_aria_label: "User-created image", + editor_alt_text_button_label: "Alt text", + editor_alt_text_edit_button_label: "Edit alt text", + editor_alt_text_decorative_tooltip: "Marked as decorative" + }; + { + DEFAULT_L10N_STRINGS.print_progress_percent = "{{progress}}%"; + } + + function getL10nFallback(key, args) { + switch (key) { + case "find_match_count": + key = `find_match_count[${args.total === 1 ? "one" : "other"}]`; + break; + case "find_match_count_limit": + key = `find_match_count_limit[${args.limit === 1 ? "one" : "other"}]`; + break; + } + return DEFAULT_L10N_STRINGS[key] || ""; + } + + function formatL10nValue(text, args) { + if (!args) { + return text; + } + return text.replaceAll(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => { + return name in args ? args[name] : "{{" + name + "}}"; + }); + } + + const NullL10n = { + async getLanguage() { + return "en-us"; + }, + async getDirection() { + return "ltr"; + }, + async get(key, args = null, fallback = getL10nFallback(key, args)) { + return formatL10nValue(fallback, args); + }, + async translate(element) { + } + }; + exports.NullL10n = NullL10n; + + /***/ + }), + /* 32 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { @@ -14049,7 +16785,7 @@ Object.defineProperty(exports, "__esModule", ({ value: true })); exports.XfaLayer = void 0; -var _xfa_text = __w_pdfjs_require__(19); + var _xfa_text = __w_pdfjs_require__(25); class XfaLayer { static setupStorage(html, id, element, storage, intent) { const storedData = storage.getValue(id, { @@ -14100,9 +16836,12 @@ class XfaLayer { break; case "select": if (storedData.value !== null) { + html.setAttribute("value", storedData.value); for (const option of element.children) { if (option.attributes.value === storedData.value) { option.attributes.selected = true; + } else if (option.attributes.hasOwnProperty("selected")) { + delete option.attributes.selected; } } } @@ -14208,12 +16947,7 @@ class XfaLayer { html.append(node); continue; } - let childHtml; - if (child?.attributes?.xmlns) { - childHtml = document.createElementNS(child.attributes.xmlns, name); - } else { - childHtml = document.createElement(name); - } + const childHtml = child?.attributes?.xmlns ? document.createElementNS(child.attributes.xmlns, name) : document.createElement(name); html.append(childHtml); if (child.attributes) { this.setAttributes({ @@ -14250,7 +16984,7 @@ class XfaLayer { exports.XfaLayer = XfaLayer; /***/ }), -/* 35 */ + /* 33 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { @@ -14258,1277 +16992,1261 @@ exports.XfaLayer = XfaLayer; Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.SVGGraphics = void 0; -var _display_utils = __w_pdfjs_require__(6); + exports.InkEditor = void 0; var _util = __w_pdfjs_require__(1); -var _is_node = __w_pdfjs_require__(10); -let SVGGraphics = class { - constructor() { - (0, _util.unreachable)("Not implemented: SVGGraphics"); - } -}; -exports.SVGGraphics = SVGGraphics; -{ - const SVG_DEFAULTS = { - fontStyle: "normal", - fontWeight: "normal", - fillColor: "#000000" - }; - const XML_NS = "http://www.w3.org/XML/1998/namespace"; - const XLINK_NS = "http://www.w3.org/1999/xlink"; - const LINE_CAP_STYLES = ["butt", "round", "square"]; - const LINE_JOIN_STYLES = ["miter", "round", "bevel"]; - const createObjectURL = function (data, contentType = "", forceDataSchema = false) { - if (URL.createObjectURL && typeof Blob !== "undefined" && !forceDataSchema) { - return URL.createObjectURL(new Blob([data], { - type: contentType - })); + var _editor = __w_pdfjs_require__(4); + var _annotation_layer = __w_pdfjs_require__(29); + var _display_utils = __w_pdfjs_require__(6); + var _tools = __w_pdfjs_require__(5); + + class InkEditor extends _editor.AnnotationEditor { + #baseHeight = 0; + #baseWidth = 0; + #boundCanvasPointermove = this.canvasPointermove.bind(this); + #boundCanvasPointerleave = this.canvasPointerleave.bind(this); + #boundCanvasPointerup = this.canvasPointerup.bind(this); + #boundCanvasPointerdown = this.canvasPointerdown.bind(this); + #currentPath2D = new Path2D(); + #disableEditing = false; + #hasSomethingToDraw = false; + #isCanvasInitialized = false; + #observer = null; + #realWidth = 0; + #realHeight = 0; + #requestFrameCallback = null; + static _defaultColor = null; + static _defaultOpacity = 1; + static _defaultThickness = 1; + static _type = "ink"; + + constructor(params) { + super({ + ...params, + name: "inkEditor" + }); + this.color = params.color || null; + this.thickness = params.thickness || null; + this.opacity = params.opacity || null; + this.paths = []; + this.bezierPath2D = []; + this.allRawPaths = []; + this.currentPath = []; + this.scaleFactor = 1; + this.translationX = this.translationY = 0; + this.x = 0; + this.y = 0; + this._willKeepAspectRatio = true; + } + + static initialize(l10n) { + _editor.AnnotationEditor.initialize(l10n, { + strings: ["editor_ink_canvas_aria_label", "editor_ink2_aria_label"] + }); + } + + static updateDefaultParams(type, value) { + switch (type) { + case _util.AnnotationEditorParamsType.INK_THICKNESS: + InkEditor._defaultThickness = value; + break; + case _util.AnnotationEditorParamsType.INK_COLOR: + InkEditor._defaultColor = value; + break; + case _util.AnnotationEditorParamsType.INK_OPACITY: + InkEditor._defaultOpacity = value / 100; + break; + } + } + + updateParams(type, value) { + switch (type) { + case _util.AnnotationEditorParamsType.INK_THICKNESS: + this.#updateThickness(value); + break; + case _util.AnnotationEditorParamsType.INK_COLOR: + this.#updateColor(value); + break; + case _util.AnnotationEditorParamsType.INK_OPACITY: + this.#updateOpacity(value); + break; + } + } + + static get defaultPropertiesToUpdate() { + return [[_util.AnnotationEditorParamsType.INK_THICKNESS, InkEditor._defaultThickness], [_util.AnnotationEditorParamsType.INK_COLOR, InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor], [_util.AnnotationEditorParamsType.INK_OPACITY, Math.round(InkEditor._defaultOpacity * 100)]]; + } + + get propertiesToUpdate() { + return [[_util.AnnotationEditorParamsType.INK_THICKNESS, this.thickness || InkEditor._defaultThickness], [_util.AnnotationEditorParamsType.INK_COLOR, this.color || InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor], [_util.AnnotationEditorParamsType.INK_OPACITY, Math.round(100 * (this.opacity ?? InkEditor._defaultOpacity))]]; + } + + #updateThickness(thickness) { + const savedThickness = this.thickness; + this.addCommands({ + cmd: () => { + this.thickness = thickness; + this.#fitToContent(); + }, + undo: () => { + this.thickness = savedThickness; + this.#fitToContent(); + }, + mustExec: true, + type: _util.AnnotationEditorParamsType.INK_THICKNESS, + overwriteIfSameType: true, + keepUndo: true + }); + } + + #updateColor(color) { + const savedColor = this.color; + this.addCommands({ + cmd: () => { + this.color = color; + this.#redraw(); + }, + undo: () => { + this.color = savedColor; + this.#redraw(); + }, + mustExec: true, + type: _util.AnnotationEditorParamsType.INK_COLOR, + overwriteIfSameType: true, + keepUndo: true + }); + } + + #updateOpacity(opacity) { + opacity /= 100; + const savedOpacity = this.opacity; + this.addCommands({ + cmd: () => { + this.opacity = opacity; + this.#redraw(); + }, + undo: () => { + this.opacity = savedOpacity; + this.#redraw(); + }, + mustExec: true, + type: _util.AnnotationEditorParamsType.INK_OPACITY, + overwriteIfSameType: true, + keepUndo: true + }); + } + + rebuild() { + if (!this.parent) { + return; + } + super.rebuild(); + if (this.div === null) { + return; + } + if (!this.canvas) { + this.#createCanvas(); + this.#createObserver(); + } + if (!this.isAttachedToDOM) { + this.parent.add(this); + this.#setCanvasDims(); + } + this.#fitToContent(); + } + + remove() { + if (this.canvas === null) { + return; + } + if (!this.isEmpty()) { + this.commit(); + } + this.canvas.width = this.canvas.height = 0; + this.canvas.remove(); + this.canvas = null; + this.#observer.disconnect(); + this.#observer = null; + super.remove(); + } + + setParent(parent) { + if (!this.parent && parent) { + this._uiManager.removeShouldRescale(this); + } else if (this.parent && parent === null) { + this._uiManager.addShouldRescale(this); + } + super.setParent(parent); + } + + onScaleChanging() { + const [parentWidth, parentHeight] = this.parentDimensions; + const width = this.width * parentWidth; + const height = this.height * parentHeight; + this.setDimensions(width, height); + } + + enableEditMode() { + if (this.#disableEditing || this.canvas === null) { + return; + } + super.enableEditMode(); + this._isDraggable = false; + this.canvas.addEventListener("pointerdown", this.#boundCanvasPointerdown); + } + + disableEditMode() { + if (!this.isInEditMode() || this.canvas === null) { + return; + } + super.disableEditMode(); + this._isDraggable = !this.isEmpty(); + this.div.classList.remove("editing"); + this.canvas.removeEventListener("pointerdown", this.#boundCanvasPointerdown); + } + + onceAdded() { + this._isDraggable = !this.isEmpty(); + } + + isEmpty() { + return this.paths.length === 0 || this.paths.length === 1 && this.paths[0].length === 0; + } + + #getInitialBBox() { + const { + parentRotation, + parentDimensions: [width, height] + } = this; + switch (parentRotation) { + case 90: + return [0, height, height, width]; + case 180: + return [width, height, width, height]; + case 270: + return [width, 0, height, width]; + default: + return [0, 0, width, height]; + } + } + + #setStroke() { + const { + ctx, + color, + opacity, + thickness, + parentScale, + scaleFactor + } = this; + ctx.lineWidth = thickness * parentScale / scaleFactor; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + ctx.miterLimit = 10; + ctx.strokeStyle = `${color}${(0, _tools.opacityToHex)(opacity)}`; + } + + #startDrawing(x, y) { + this.canvas.addEventListener("contextmenu", _display_utils.noContextMenu); + this.canvas.addEventListener("pointerleave", this.#boundCanvasPointerleave); + this.canvas.addEventListener("pointermove", this.#boundCanvasPointermove); + this.canvas.addEventListener("pointerup", this.#boundCanvasPointerup); + this.canvas.removeEventListener("pointerdown", this.#boundCanvasPointerdown); + this.isEditing = true; + if (!this.#isCanvasInitialized) { + this.#isCanvasInitialized = true; + this.#setCanvasDims(); + this.thickness ||= InkEditor._defaultThickness; + this.color ||= InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor; + this.opacity ??= InkEditor._defaultOpacity; } - const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; - let buffer = `data:${contentType};base64,`; - for (let i = 0, ii = data.length; i < ii; i += 3) { - const b1 = data[i] & 0xff; - const b2 = data[i + 1] & 0xff; - const b3 = data[i + 2] & 0xff; - const d1 = b1 >> 2, - d2 = (b1 & 3) << 4 | b2 >> 4; - const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64; - const d4 = i + 2 < ii ? b3 & 0x3f : 64; - buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; - } - return buffer; - }; - const convertImgDataToPng = function () { - const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]); - const CHUNK_WRAPPER_SIZE = 12; - const crcTable = new Int32Array(256); - for (let i = 0; i < 256; i++) { - let c = i; - for (let h = 0; h < 8; h++) { - if (c & 1) { - c = 0xedb88320 ^ c >> 1 & 0x7fffffff; - } else { - c = c >> 1 & 0x7fffffff; - } - } - crcTable[i] = c; - } - function crc32(data, start, end) { - let crc = -1; - for (let i = start; i < end; i++) { - const a = (crc ^ data[i]) & 0xff; - const b = crcTable[a]; - crc = crc >>> 8 ^ b; - } - return crc ^ -1; - } - function writePngChunk(type, body, data, offset) { - let p = offset; - const len = body.length; - data[p] = len >> 24 & 0xff; - data[p + 1] = len >> 16 & 0xff; - data[p + 2] = len >> 8 & 0xff; - data[p + 3] = len & 0xff; - p += 4; - data[p] = type.charCodeAt(0) & 0xff; - data[p + 1] = type.charCodeAt(1) & 0xff; - data[p + 2] = type.charCodeAt(2) & 0xff; - data[p + 3] = type.charCodeAt(3) & 0xff; - p += 4; - data.set(body, p); - p += body.length; - const crc = crc32(data, offset + 4, p); - data[p] = crc >> 24 & 0xff; - data[p + 1] = crc >> 16 & 0xff; - data[p + 2] = crc >> 8 & 0xff; - data[p + 3] = crc & 0xff; - } - function adler32(data, start, end) { - let a = 1; - let b = 0; - for (let i = start; i < end; ++i) { - a = (a + (data[i] & 0xff)) % 65521; - b = (b + a) % 65521; - } - return b << 16 | a; - } - function deflateSync(literals) { - if (!_is_node.isNodeJS) { - return deflateSyncUncompressed(literals); - } - try { - let input; - if (parseInt(process.versions.node) >= 8) { - input = literals; - } else { - input = Buffer.from(literals); - } - const output = require("zlib").deflateSync(input, { - level: 9 - }); - return output instanceof Uint8Array ? output : new Uint8Array(output); - } catch (e) { - (0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e); - } - return deflateSyncUncompressed(literals); - } - function deflateSyncUncompressed(literals) { - let len = literals.length; - const maxBlockLength = 0xffff; - const deflateBlocks = Math.ceil(len / maxBlockLength); - const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4); - let pi = 0; - idat[pi++] = 0x78; - idat[pi++] = 0x9c; - let pos = 0; - while (len > maxBlockLength) { - idat[pi++] = 0x00; - idat[pi++] = 0xff; - idat[pi++] = 0xff; - idat[pi++] = 0x00; - idat[pi++] = 0x00; - idat.set(literals.subarray(pos, pos + maxBlockLength), pi); - pi += maxBlockLength; - pos += maxBlockLength; - len -= maxBlockLength; - } - idat[pi++] = 0x01; - idat[pi++] = len & 0xff; - idat[pi++] = len >> 8 & 0xff; - idat[pi++] = ~len & 0xffff & 0xff; - idat[pi++] = (~len & 0xffff) >> 8 & 0xff; - idat.set(literals.subarray(pos), pi); - pi += literals.length - pos; - const adler = adler32(literals, 0, literals.length); - idat[pi++] = adler >> 24 & 0xff; - idat[pi++] = adler >> 16 & 0xff; - idat[pi++] = adler >> 8 & 0xff; - idat[pi++] = adler & 0xff; - return idat; - } - function encode(imgData, kind, forceDataSchema, isMask) { - const width = imgData.width; - const height = imgData.height; - let bitDepth, colorType, lineSize; - const bytes = imgData.data; - switch (kind) { - case _util.ImageKind.GRAYSCALE_1BPP: - colorType = 0; - bitDepth = 1; - lineSize = width + 7 >> 3; - break; - case _util.ImageKind.RGB_24BPP: - colorType = 2; - bitDepth = 8; - lineSize = width * 3; - break; - case _util.ImageKind.RGBA_32BPP: - colorType = 6; - bitDepth = 8; - lineSize = width * 4; - break; - default: - throw new Error("invalid format"); - } - const literals = new Uint8Array((1 + lineSize) * height); - let offsetLiterals = 0, - offsetBytes = 0; - for (let y = 0; y < height; ++y) { - literals[offsetLiterals++] = 0; - literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals); - offsetBytes += lineSize; - offsetLiterals += lineSize; - } - if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) { - offsetLiterals = 0; - for (let y = 0; y < height; y++) { - offsetLiterals++; - for (let i = 0; i < lineSize; i++) { - literals[offsetLiterals++] ^= 0xff; - } - } - } - const ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]); - const idat = deflateSync(literals); - const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length; - const data = new Uint8Array(pngLength); - let offset = 0; - data.set(PNG_HEADER, offset); - offset += PNG_HEADER.length; - writePngChunk("IHDR", ihdr, data, offset); - offset += CHUNK_WRAPPER_SIZE + ihdr.length; - writePngChunk("IDATA", idat, data, offset); - offset += CHUNK_WRAPPER_SIZE + idat.length; - writePngChunk("IEND", new Uint8Array(0), data, offset); - return createObjectURL(data, "image/png", forceDataSchema); - } - return function convertImgDataToPng(imgData, forceDataSchema, isMask) { - const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind; - return encode(imgData, kind, forceDataSchema, isMask); - }; - }(); - class SVGExtraState { - constructor() { - this.fontSizeScale = 1; - this.fontWeight = SVG_DEFAULTS.fontWeight; - this.fontSize = 0; - this.textMatrix = _util.IDENTITY_MATRIX; - this.fontMatrix = _util.FONT_IDENTITY_MATRIX; - this.leading = 0; - this.textRenderingMode = _util.TextRenderingMode.FILL; - this.textMatrixScale = 1; - this.x = 0; - this.y = 0; - this.lineX = 0; - this.lineY = 0; - this.charSpacing = 0; - this.wordSpacing = 0; - this.textHScale = 1; - this.textRise = 0; - this.fillColor = SVG_DEFAULTS.fillColor; - this.strokeColor = "#000000"; - this.fillAlpha = 1; - this.strokeAlpha = 1; - this.lineWidth = 1; - this.lineJoin = ""; - this.lineCap = ""; - this.miterLimit = 0; - this.dashArray = []; - this.dashPhase = 0; - this.dependencies = []; - this.activeClipUrl = null; - this.clipGroup = null; - this.maskId = ""; - } - clone() { - return Object.create(this); - } - setCurrentPoint(x, y) { - this.x = x; - this.y = y; - } - } - function opListToTree(opList) { - let opTree = []; - const tmp = []; - for (const opListElement of opList) { - if (opListElement.fn === "save") { - opTree.push({ - fnId: 92, - fn: "group", - items: [] - }); - tmp.push(opTree); - opTree = opTree.at(-1).items; - continue; - } - if (opListElement.fn === "restore") { - opTree = tmp.pop(); + this.currentPath.push([x, y]); + this.#hasSomethingToDraw = false; + this.#setStroke(); + this.#requestFrameCallback = () => { + this.#drawPoints(); + if (this.#requestFrameCallback) { + window.requestAnimationFrame(this.#requestFrameCallback); + } + }; + window.requestAnimationFrame(this.#requestFrameCallback); + } + + #draw(x, y) { + const [lastX, lastY] = this.currentPath.at(-1); + if (this.currentPath.length > 1 && x === lastX && y === lastY) { + return; + } + const currentPath = this.currentPath; + let path2D = this.#currentPath2D; + currentPath.push([x, y]); + this.#hasSomethingToDraw = true; + if (currentPath.length <= 2) { + path2D.moveTo(...currentPath[0]); + path2D.lineTo(x, y); + return; + } + if (currentPath.length === 3) { + this.#currentPath2D = path2D = new Path2D(); + path2D.moveTo(...currentPath[0]); + } + this.#makeBezierCurve(path2D, ...currentPath.at(-3), ...currentPath.at(-2), x, y); + } + + #endPath() { + if (this.currentPath.length === 0) { + return; + } + const lastPoint = this.currentPath.at(-1); + this.#currentPath2D.lineTo(...lastPoint); + } + + #stopDrawing(x, y) { + this.#requestFrameCallback = null; + x = Math.min(Math.max(x, 0), this.canvas.width); + y = Math.min(Math.max(y, 0), this.canvas.height); + this.#draw(x, y); + this.#endPath(); + let bezier; + if (this.currentPath.length !== 1) { + bezier = this.#generateBezierPoints(); + } else { + const xy = [x, y]; + bezier = [[xy, xy.slice(), xy.slice(), xy]]; + } + const path2D = this.#currentPath2D; + const currentPath = this.currentPath; + this.currentPath = []; + this.#currentPath2D = new Path2D(); + const cmd = () => { + this.allRawPaths.push(currentPath); + this.paths.push(bezier); + this.bezierPath2D.push(path2D); + this.rebuild(); + }; + const undo = () => { + this.allRawPaths.pop(); + this.paths.pop(); + this.bezierPath2D.pop(); + if (this.paths.length === 0) { + this.remove(); } else { - opTree.push(opListElement); + if (!this.canvas) { + this.#createCanvas(); + this.#createObserver(); + } + this.#fitToContent(); + } + }; + this.addCommands({ + cmd, + undo, + mustExec: true + }); + } + + #drawPoints() { + if (!this.#hasSomethingToDraw) { + return; + } + this.#hasSomethingToDraw = false; + const thickness = Math.ceil(this.thickness * this.parentScale); + const lastPoints = this.currentPath.slice(-3); + const x = lastPoints.map(xy => xy[0]); + const y = lastPoints.map(xy => xy[1]); + const xMin = Math.min(...x) - thickness; + const xMax = Math.max(...x) + thickness; + const yMin = Math.min(...y) - thickness; + const yMax = Math.max(...y) + thickness; + const { + ctx + } = this; + ctx.save(); + ctx.clearRect(0, 0, this.canvas.width, this.canvas.height); + for (const path of this.bezierPath2D) { + ctx.stroke(path); + } + ctx.stroke(this.#currentPath2D); + ctx.restore(); + } + + #makeBezierCurve(path2D, x0, y0, x1, y1, x2, y2) { + const prevX = (x0 + x1) / 2; + const prevY = (y0 + y1) / 2; + const x3 = (x1 + x2) / 2; + const y3 = (y1 + y2) / 2; + path2D.bezierCurveTo(prevX + 2 * (x1 - prevX) / 3, prevY + 2 * (y1 - prevY) / 3, x3 + 2 * (x1 - x3) / 3, y3 + 2 * (y1 - y3) / 3, x3, y3); + } + + #generateBezierPoints() { + const path = this.currentPath; + if (path.length <= 2) { + return [[path[0], path[0], path.at(-1), path.at(-1)]]; + } + const bezierPoints = []; + let i; + let [x0, y0] = path[0]; + for (i = 1; i < path.length - 2; i++) { + const [x1, y1] = path[i]; + const [x2, y2] = path[i + 1]; + const x3 = (x1 + x2) / 2; + const y3 = (y1 + y2) / 2; + const control1 = [x0 + 2 * (x1 - x0) / 3, y0 + 2 * (y1 - y0) / 3]; + const control2 = [x3 + 2 * (x1 - x3) / 3, y3 + 2 * (y1 - y3) / 3]; + bezierPoints.push([[x0, y0], control1, control2, [x3, y3]]); + [x0, y0] = [x3, y3]; + } + const [x1, y1] = path[i]; + const [x2, y2] = path[i + 1]; + const control1 = [x0 + 2 * (x1 - x0) / 3, y0 + 2 * (y1 - y0) / 3]; + const control2 = [x2 + 2 * (x1 - x2) / 3, y2 + 2 * (y1 - y2) / 3]; + bezierPoints.push([[x0, y0], control1, control2, [x2, y2]]); + return bezierPoints; + } + + #redraw() { + if (this.isEmpty()) { + this.#updateTransform(); + return; + } + this.#setStroke(); + const { + canvas, + ctx + } = this; + ctx.setTransform(1, 0, 0, 1, 0, 0); + ctx.clearRect(0, 0, canvas.width, canvas.height); + this.#updateTransform(); + for (const path of this.bezierPath2D) { + ctx.stroke(path); + } + } + + commit() { + if (this.#disableEditing) { + return; + } + super.commit(); + this.isEditing = false; + this.disableEditMode(); + this.setInForeground(); + this.#disableEditing = true; + this.div.classList.add("disabled"); + this.#fitToContent(true); + this.makeResizable(); + this.parent.addInkEditorIfNeeded(true); + this.moveInDOM(); + this.div.focus({ + preventScroll: true + }); + } + + focusin(event) { + if (!this._focusEventsAllowed) { + return; + } + super.focusin(event); + this.enableEditMode(); + } + + canvasPointerdown(event) { + if (event.button !== 0 || !this.isInEditMode() || this.#disableEditing) { + return; + } + this.setInForeground(); + event.preventDefault(); + if (event.type !== "mouse") { + this.div.focus(); + } + this.#startDrawing(event.offsetX, event.offsetY); + } + + canvasPointermove(event) { + event.preventDefault(); + this.#draw(event.offsetX, event.offsetY); + } + + canvasPointerup(event) { + event.preventDefault(); + this.#endDrawing(event); + } + + canvasPointerleave(event) { + this.#endDrawing(event); + } + + #endDrawing(event) { + this.canvas.removeEventListener("pointerleave", this.#boundCanvasPointerleave); + this.canvas.removeEventListener("pointermove", this.#boundCanvasPointermove); + this.canvas.removeEventListener("pointerup", this.#boundCanvasPointerup); + this.canvas.addEventListener("pointerdown", this.#boundCanvasPointerdown); + setTimeout(() => { + this.canvas.removeEventListener("contextmenu", _display_utils.noContextMenu); + }, 10); + this.#stopDrawing(event.offsetX, event.offsetY); + this.addToAnnotationStorage(); + this.setInBackground(); + } + + #createCanvas() { + this.canvas = document.createElement("canvas"); + this.canvas.width = this.canvas.height = 0; + this.canvas.className = "inkEditorCanvas"; + _editor.AnnotationEditor._l10nPromise.get("editor_ink_canvas_aria_label").then(msg => this.canvas?.setAttribute("aria-label", msg)); + this.div.append(this.canvas); + this.ctx = this.canvas.getContext("2d"); + } + + #createObserver() { + this.#observer = new ResizeObserver(entries => { + const rect = entries[0].contentRect; + if (rect.width && rect.height) { + this.setDimensions(rect.width, rect.height); } + }); + this.#observer.observe(this.div); + } + + get isResizable() { + return !this.isEmpty() && this.#disableEditing; + } + + render() { + if (this.div) { + return this.div; + } + let baseX, baseY; + if (this.width) { + baseX = this.x; + baseY = this.y; + } + super.render(); + _editor.AnnotationEditor._l10nPromise.get("editor_ink2_aria_label").then(msg => this.div?.setAttribute("aria-label", msg)); + const [x, y, w, h] = this.#getInitialBBox(); + this.setAt(x, y, 0, 0); + this.setDims(w, h); + this.#createCanvas(); + if (this.width) { + const [parentWidth, parentHeight] = this.parentDimensions; + this.setAspectRatio(this.width * parentWidth, this.height * parentHeight); + this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight); + this.#isCanvasInitialized = true; + this.#setCanvasDims(); + this.setDims(this.width * parentWidth, this.height * parentHeight); + this.#redraw(); + this.div.classList.add("disabled"); + } else { + this.div.classList.add("editing"); + this.enableEditMode(); } - return opTree; - } - function pf(value) { - if (Number.isInteger(value)) { - return value.toString(); + this.#createObserver(); + return this.div; + } + + #setCanvasDims() { + if (!this.#isCanvasInitialized) { + return; } - const s = value.toFixed(10); - let i = s.length - 1; - if (s[i] !== "0") { - return s; + const [parentWidth, parentHeight] = this.parentDimensions; + this.canvas.width = Math.ceil(this.width * parentWidth); + this.canvas.height = Math.ceil(this.height * parentHeight); + this.#updateTransform(); + } + + setDimensions(width, height) { + const roundedWidth = Math.round(width); + const roundedHeight = Math.round(height); + if (this.#realWidth === roundedWidth && this.#realHeight === roundedHeight) { + return; } - do { - i--; - } while (s[i] === "0"); - return s.substring(0, s[i] === "." ? i : i + 1); - } - function pm(m) { - if (m[4] === 0 && m[5] === 0) { - if (m[1] === 0 && m[2] === 0) { - if (m[0] === 1 && m[3] === 1) { - return ""; - } - return `scale(${pf(m[0])} ${pf(m[3])})`; + this.#realWidth = roundedWidth; + this.#realHeight = roundedHeight; + this.canvas.style.visibility = "hidden"; + const [parentWidth, parentHeight] = this.parentDimensions; + this.width = width / parentWidth; + this.height = height / parentHeight; + this.fixAndSetPosition(); + if (this.#disableEditing) { + this.#setScaleFactor(width, height); + } + this.#setCanvasDims(); + this.#redraw(); + this.canvas.style.visibility = "visible"; + this.fixDims(); + } + + #setScaleFactor(width, height) { + const padding = this.#getPadding(); + const scaleFactorW = (width - padding) / this.#baseWidth; + const scaleFactorH = (height - padding) / this.#baseHeight; + this.scaleFactor = Math.min(scaleFactorW, scaleFactorH); + } + + #updateTransform() { + const padding = this.#getPadding() / 2; + this.ctx.setTransform(this.scaleFactor, 0, 0, this.scaleFactor, this.translationX * this.scaleFactor + padding, this.translationY * this.scaleFactor + padding); + } + + static #buildPath2D(bezier) { + const path2D = new Path2D(); + for (let i = 0, ii = bezier.length; i < ii; i++) { + const [first, control1, control2, second] = bezier[i]; + if (i === 0) { + path2D.moveTo(...first); + } + path2D.bezierCurveTo(control1[0], control1[1], control2[0], control2[1], second[0], second[1]); + } + return path2D; + } + + static #toPDFCoordinates(points, rect, rotation) { + const [blX, blY, trX, trY] = rect; + switch (rotation) { + case 0: + for (let i = 0, ii = points.length; i < ii; i += 2) { + points[i] += blX; + points[i + 1] = trY - points[i + 1]; + } + break; + case 90: + for (let i = 0, ii = points.length; i < ii; i += 2) { + const x = points[i]; + points[i] = points[i + 1] + blX; + points[i + 1] = x + blY; + } + break; + case 180: + for (let i = 0, ii = points.length; i < ii; i += 2) { + points[i] = trX - points[i]; + points[i + 1] += blY; + } + break; + case 270: + for (let i = 0, ii = points.length; i < ii; i += 2) { + const x = points[i]; + points[i] = trX - points[i + 1]; + points[i + 1] = trY - x; + } + break; + default: + throw new Error("Invalid rotation"); + } + return points; + } + + static #fromPDFCoordinates(points, rect, rotation) { + const [blX, blY, trX, trY] = rect; + switch (rotation) { + case 0: + for (let i = 0, ii = points.length; i < ii; i += 2) { + points[i] -= blX; + points[i + 1] = trY - points[i + 1]; + } + break; + case 90: + for (let i = 0, ii = points.length; i < ii; i += 2) { + const x = points[i]; + points[i] = points[i + 1] - blY; + points[i + 1] = x - blX; + } + break; + case 180: + for (let i = 0, ii = points.length; i < ii; i += 2) { + points[i] = trX - points[i]; + points[i + 1] -= blY; + } + break; + case 270: + for (let i = 0, ii = points.length; i < ii; i += 2) { + const x = points[i]; + points[i] = trY - points[i + 1]; + points[i + 1] = trX - x; + } + break; + default: + throw new Error("Invalid rotation"); + } + return points; + } + + #serializePaths(s, tx, ty, rect) { + const paths = []; + const padding = this.thickness / 2; + const shiftX = s * tx + padding; + const shiftY = s * ty + padding; + for (const bezier of this.paths) { + const buffer = []; + const points = []; + for (let j = 0, jj = bezier.length; j < jj; j++) { + const [first, control1, control2, second] = bezier[j]; + const p10 = s * first[0] + shiftX; + const p11 = s * first[1] + shiftY; + const p20 = s * control1[0] + shiftX; + const p21 = s * control1[1] + shiftY; + const p30 = s * control2[0] + shiftX; + const p31 = s * control2[1] + shiftY; + const p40 = s * second[0] + shiftX; + const p41 = s * second[1] + shiftY; + if (j === 0) { + buffer.push(p10, p11); + points.push(p10, p11); + } + buffer.push(p20, p21, p30, p31, p40, p41); + points.push(p20, p21); + if (j === jj - 1) { + points.push(p40, p41); + } + } + paths.push({ + bezier: InkEditor.#toPDFCoordinates(buffer, rect, this.rotation), + points: InkEditor.#toPDFCoordinates(points, rect, this.rotation) + }); + } + return paths; + } + + #getBbox() { + let xMin = Infinity; + let xMax = -Infinity; + let yMin = Infinity; + let yMax = -Infinity; + for (const path of this.paths) { + for (const [first, control1, control2, second] of path) { + const bbox = _util.Util.bezierBoundingBox(...first, ...control1, ...control2, ...second); + xMin = Math.min(xMin, bbox[0]); + yMin = Math.min(yMin, bbox[1]); + xMax = Math.max(xMax, bbox[2]); + yMax = Math.max(yMax, bbox[3]); + } + } + return [xMin, yMin, xMax, yMax]; + } + + #getPadding() { + return this.#disableEditing ? Math.ceil(this.thickness * this.parentScale) : 0; + } + + #fitToContent(firstTime = false) { + if (this.isEmpty()) { + return; + } + if (!this.#disableEditing) { + this.#redraw(); + return; + } + const bbox = this.#getBbox(); + const padding = this.#getPadding(); + this.#baseWidth = Math.max(_editor.AnnotationEditor.MIN_SIZE, bbox[2] - bbox[0]); + this.#baseHeight = Math.max(_editor.AnnotationEditor.MIN_SIZE, bbox[3] - bbox[1]); + const width = Math.ceil(padding + this.#baseWidth * this.scaleFactor); + const height = Math.ceil(padding + this.#baseHeight * this.scaleFactor); + const [parentWidth, parentHeight] = this.parentDimensions; + this.width = width / parentWidth; + this.height = height / parentHeight; + this.setAspectRatio(width, height); + const prevTranslationX = this.translationX; + const prevTranslationY = this.translationY; + this.translationX = -bbox[0]; + this.translationY = -bbox[1]; + this.#setCanvasDims(); + this.#redraw(); + this.#realWidth = width; + this.#realHeight = height; + this.setDims(width, height); + const unscaledPadding = firstTime ? padding / this.scaleFactor / 2 : 0; + this.translate(prevTranslationX - this.translationX - unscaledPadding, prevTranslationY - this.translationY - unscaledPadding); + } + + static deserialize(data, parent, uiManager) { + if (data instanceof _annotation_layer.InkAnnotationElement) { + return null; + } + const editor = super.deserialize(data, parent, uiManager); + editor.thickness = data.thickness; + editor.color = _util.Util.makeHexColor(...data.color); + editor.opacity = data.opacity; + const [pageWidth, pageHeight] = editor.pageDimensions; + const width = editor.width * pageWidth; + const height = editor.height * pageHeight; + const scaleFactor = editor.parentScale; + const padding = data.thickness / 2; + editor.#disableEditing = true; + editor.#realWidth = Math.round(width); + editor.#realHeight = Math.round(height); + const { + paths, + rect, + rotation + } = data; + for (let { + bezier + } of paths) { + bezier = InkEditor.#fromPDFCoordinates(bezier, rect, rotation); + const path = []; + editor.paths.push(path); + let p0 = scaleFactor * (bezier[0] - padding); + let p1 = scaleFactor * (bezier[1] - padding); + for (let i = 2, ii = bezier.length; i < ii; i += 6) { + const p10 = scaleFactor * (bezier[i] - padding); + const p11 = scaleFactor * (bezier[i + 1] - padding); + const p20 = scaleFactor * (bezier[i + 2] - padding); + const p21 = scaleFactor * (bezier[i + 3] - padding); + const p30 = scaleFactor * (bezier[i + 4] - padding); + const p31 = scaleFactor * (bezier[i + 5] - padding); + path.push([[p0, p1], [p10, p11], [p20, p21], [p30, p31]]); + p0 = p30; + p1 = p31; + } + const path2D = this.#buildPath2D(path); + editor.bezierPath2D.push(path2D); + } + const bbox = editor.#getBbox(); + editor.#baseWidth = Math.max(_editor.AnnotationEditor.MIN_SIZE, bbox[2] - bbox[0]); + editor.#baseHeight = Math.max(_editor.AnnotationEditor.MIN_SIZE, bbox[3] - bbox[1]); + editor.#setScaleFactor(width, height); + return editor; + } + + serialize() { + if (this.isEmpty()) { + return null; + } + const rect = this.getRect(0, 0); + const color = _editor.AnnotationEditor._colorManager.convert(this.ctx.strokeStyle); + return { + annotationType: _util.AnnotationEditorType.INK, + color, + thickness: this.thickness, + opacity: this.opacity, + paths: this.#serializePaths(this.scaleFactor / this.parentScale, this.translationX, this.translationY, rect), + pageIndex: this.pageIndex, + rect, + rotation: this.rotation, + structTreeParentId: this._structTreeParentId + }; + } + } + + exports.InkEditor = InkEditor; + + /***/ + }), + /* 34 */ + /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { + + + Object.defineProperty(exports, "__esModule", ({ + value: true + })); + exports.StampEditor = void 0; + var _util = __w_pdfjs_require__(1); + var _editor = __w_pdfjs_require__(4); + var _display_utils = __w_pdfjs_require__(6); + var _annotation_layer = __w_pdfjs_require__(29); + + class StampEditor extends _editor.AnnotationEditor { + #bitmap = null; + #bitmapId = null; + #bitmapPromise = null; + #bitmapUrl = null; + #bitmapFile = null; + #canvas = null; + #observer = null; + #resizeTimeoutId = null; + #isSvg = false; + #hasBeenAddedInUndoStack = false; + static _type = "stamp"; + + constructor(params) { + super({ + ...params, + name: "stampEditor" + }); + this.#bitmapUrl = params.bitmapUrl; + this.#bitmapFile = params.bitmapFile; + } + + static initialize(l10n) { + _editor.AnnotationEditor.initialize(l10n); + } + + static get supportedTypes() { + const types = ["apng", "avif", "bmp", "gif", "jpeg", "png", "svg+xml", "webp", "x-icon"]; + return (0, _util.shadow)(this, "supportedTypes", types.map(type => `image/${type}`)); + } + + static get supportedTypesStr() { + return (0, _util.shadow)(this, "supportedTypesStr", this.supportedTypes.join(",")); + } + + static isHandlingMimeForPasting(mime) { + return this.supportedTypes.includes(mime); + } + + static paste(item, parent) { + parent.pasteEditor(_util.AnnotationEditorType.STAMP, { + bitmapFile: item.getAsFile() + }); + } + + #getBitmapFetched(data, fromId = false) { + if (!data) { + this.remove(); + return; + } + this.#bitmap = data.bitmap; + if (!fromId) { + this.#bitmapId = data.id; + this.#isSvg = data.isSvg; + } + this.#createCanvas(); + } + + #getBitmapDone() { + this.#bitmapPromise = null; + this._uiManager.enableWaiting(false); + if (this.#canvas) { + this.div.focus(); + } + } + + #getBitmap() { + if (this.#bitmapId) { + this._uiManager.enableWaiting(true); + this._uiManager.imageManager.getFromId(this.#bitmapId).then(data => this.#getBitmapFetched(data, true)).finally(() => this.#getBitmapDone()); + return; + } + if (this.#bitmapUrl) { + const url = this.#bitmapUrl; + this.#bitmapUrl = null; + this._uiManager.enableWaiting(true); + this.#bitmapPromise = this._uiManager.imageManager.getFromUrl(url).then(data => this.#getBitmapFetched(data)).finally(() => this.#getBitmapDone()); + return; + } + if (this.#bitmapFile) { + const file = this.#bitmapFile; + this.#bitmapFile = null; + this._uiManager.enableWaiting(true); + this.#bitmapPromise = this._uiManager.imageManager.getFromFile(file).then(data => this.#getBitmapFetched(data)).finally(() => this.#getBitmapDone()); + return; + } + const input = document.createElement("input"); + input.type = "file"; + input.accept = StampEditor.supportedTypesStr; + this.#bitmapPromise = new Promise(resolve => { + input.addEventListener("change", async () => { + if (!input.files || input.files.length === 0) { + this.remove(); + } else { + this._uiManager.enableWaiting(true); + const data = await this._uiManager.imageManager.getFromFile(input.files[0]); + this.#getBitmapFetched(data); + } + resolve(); + }); + input.addEventListener("cancel", () => { + this.remove(); + resolve(); + }); + }).finally(() => this.#getBitmapDone()); + input.click(); + } + + remove() { + if (this.#bitmapId) { + this.#bitmap = null; + this._uiManager.imageManager.deleteId(this.#bitmapId); + this.#canvas?.remove(); + this.#canvas = null; + this.#observer?.disconnect(); + this.#observer = null; + } + super.remove(); + } + + rebuild() { + if (!this.parent) { + if (this.#bitmapId) { + this.#getBitmap(); + } + return; + } + super.rebuild(); + if (this.div === null) { + return; + } + if (this.#bitmapId) { + this.#getBitmap(); + } + if (!this.isAttachedToDOM) { + this.parent.add(this); + } + } + + onceAdded() { + this._isDraggable = true; + this.div.focus(); + } + + isEmpty() { + return !(this.#bitmapPromise || this.#bitmap || this.#bitmapUrl || this.#bitmapFile); + } + + get isResizable() { + return true; + } + + render() { + if (this.div) { + return this.div; + } + let baseX, baseY; + if (this.width) { + baseX = this.x; + baseY = this.y; + } + super.render(); + this.div.hidden = true; + if (this.#bitmap) { + this.#createCanvas(); + } else { + this.#getBitmap(); + } + if (this.width) { + const [parentWidth, parentHeight] = this.parentDimensions; + this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight); + } + return this.div; + } + + #createCanvas() { + const { + div + } = this; + let { + width, + height + } = this.#bitmap; + const [pageWidth, pageHeight] = this.pageDimensions; + const MAX_RATIO = 0.75; + if (this.width) { + width = this.width * pageWidth; + height = this.height * pageHeight; + } else if (width > MAX_RATIO * pageWidth || height > MAX_RATIO * pageHeight) { + const factor = Math.min(MAX_RATIO * pageWidth / width, MAX_RATIO * pageHeight / height); + width *= factor; + height *= factor; + } + const [parentWidth, parentHeight] = this.parentDimensions; + this.setDims(width * parentWidth / pageWidth, height * parentHeight / pageHeight); + this._uiManager.enableWaiting(false); + const canvas = this.#canvas = document.createElement("canvas"); + div.append(canvas); + div.hidden = false; + this.#drawBitmap(width, height); + this.#createObserver(); + if (!this.#hasBeenAddedInUndoStack) { + this.parent.addUndoableEditor(this); + this.#hasBeenAddedInUndoStack = true; + } + this._uiManager._eventBus.dispatch("reporttelemetry", { + source: this, + details: { + type: "editing", + subtype: this.editorType, + data: { + action: "inserted_image" + } + } + }); + this.addAltTextButton(); + } + + #setDimensions(width, height) { + const [parentWidth, parentHeight] = this.parentDimensions; + this.width = width / parentWidth; + this.height = height / parentHeight; + this.setDims(width, height); + if (this._initialOptions?.isCentered) { + this.center(); + } else { + this.fixAndSetPosition(); + } + this._initialOptions = null; + if (this.#resizeTimeoutId !== null) { + clearTimeout(this.#resizeTimeoutId); + } + const TIME_TO_WAIT = 200; + this.#resizeTimeoutId = setTimeout(() => { + this.#resizeTimeoutId = null; + this.#drawBitmap(width, height); + }, TIME_TO_WAIT); + } + + #scaleBitmap(width, height) { + const { + width: bitmapWidth, + height: bitmapHeight + } = this.#bitmap; + let newWidth = bitmapWidth; + let newHeight = bitmapHeight; + let bitmap = this.#bitmap; + while (newWidth > 2 * width || newHeight > 2 * height) { + const prevWidth = newWidth; + const prevHeight = newHeight; + if (newWidth > 2 * width) { + newWidth = newWidth >= 16384 ? Math.floor(newWidth / 2) - 1 : Math.ceil(newWidth / 2); + } + if (newHeight > 2 * height) { + newHeight = newHeight >= 16384 ? Math.floor(newHeight / 2) - 1 : Math.ceil(newHeight / 2); + } + const offscreen = new OffscreenCanvas(newWidth, newHeight); + const ctx = offscreen.getContext("2d"); + ctx.drawImage(bitmap, 0, 0, prevWidth, prevHeight, 0, 0, newWidth, newHeight); + bitmap = offscreen.transferToImageBitmap(); + } + return bitmap; + } + + #drawBitmap(width, height) { + width = Math.ceil(width); + height = Math.ceil(height); + const canvas = this.#canvas; + if (!canvas || canvas.width === width && canvas.height === height) { + return; + } + canvas.width = width; + canvas.height = height; + const bitmap = this.#isSvg ? this.#bitmap : this.#scaleBitmap(width, height); + const ctx = canvas.getContext("2d"); + ctx.filter = this._uiManager.hcmFilter; + ctx.drawImage(bitmap, 0, 0, bitmap.width, bitmap.height, 0, 0, width, height); + } + + #serializeBitmap(toUrl) { + if (toUrl) { + if (this.#isSvg) { + const url = this._uiManager.imageManager.getSvgUrl(this.#bitmapId); + if (url) { + return url; + } } - if (m[0] === m[3] && m[1] === -m[2]) { - const a = Math.acos(m[0]) * 180 / Math.PI; - return `rotate(${pf(a)})`; - } - } else { - if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) { - return `translate(${pf(m[4])} ${pf(m[5])})`; + const canvas = document.createElement("canvas"); + ({ + width: canvas.width, + height: canvas.height + } = this.#bitmap); + const ctx = canvas.getContext("2d"); + ctx.drawImage(this.#bitmap, 0, 0); + return canvas.toDataURL(); + } + if (this.#isSvg) { + const [pageWidth, pageHeight] = this.pageDimensions; + const width = Math.round(this.width * pageWidth * _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS); + const height = Math.round(this.height * pageHeight * _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS); + const offscreen = new OffscreenCanvas(width, height); + const ctx = offscreen.getContext("2d"); + ctx.drawImage(this.#bitmap, 0, 0, this.#bitmap.width, this.#bitmap.height, 0, 0, width, height); + return offscreen.transferToImageBitmap(); + } + return structuredClone(this.#bitmap); + } + + #createObserver() { + this.#observer = new ResizeObserver(entries => { + const rect = entries[0].contentRect; + if (rect.width && rect.height) { + this.#setDimensions(rect.width, rect.height); } + }); + this.#observer.observe(this.div); + } + + static deserialize(data, parent, uiManager) { + if (data instanceof _annotation_layer.StampAnnotationElement) { + return null; + } + const editor = super.deserialize(data, parent, uiManager); + const { + rect, + bitmapUrl, + bitmapId, + isSvg, + accessibilityData + } = data; + if (bitmapId && uiManager.imageManager.isValidId(bitmapId)) { + editor.#bitmapId = bitmapId; + } else { + editor.#bitmapUrl = bitmapUrl; + } + editor.#isSvg = isSvg; + const [parentWidth, parentHeight] = editor.pageDimensions; + editor.width = (rect[2] - rect[0]) / parentWidth; + editor.height = (rect[3] - rect[1]) / parentHeight; + if (accessibilityData) { + editor.altTextData = accessibilityData; + } + return editor; + } + + serialize(isForCopying = false, context = null) { + if (this.isEmpty()) { + return null; + } + const serialized = { + annotationType: _util.AnnotationEditorType.STAMP, + bitmapId: this.#bitmapId, + pageIndex: this.pageIndex, + rect: this.getRect(0, 0), + rotation: this.rotation, + isSvg: this.#isSvg, + structTreeParentId: this._structTreeParentId + }; + if (isForCopying) { + serialized.bitmapUrl = this.#serializeBitmap(true); + serialized.accessibilityData = this.altTextData; + return serialized; } - return `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` + `${pf(m[5])})`; - } - let clipCount = 0; - let maskCount = 0; - let shadingCount = 0; - exports.SVGGraphics = SVGGraphics = class { - constructor(commonObjs, objs, forceDataSchema = false) { - (0, _display_utils.deprecated)("The SVG back-end is no longer maintained and *may* be removed in the future."); - this.svgFactory = new _display_utils.DOMSVGFactory(); - this.current = new SVGExtraState(); - this.transformMatrix = _util.IDENTITY_MATRIX; - this.transformStack = []; - this.extraStack = []; - this.commonObjs = commonObjs; - this.objs = objs; - this.pendingClip = null; - this.pendingEOFill = false; - this.embedFonts = false; - this.embeddedFonts = Object.create(null); - this.cssStyle = null; - this.forceDataSchema = !!forceDataSchema; - this._operatorIdMapping = []; - for (const op in _util.OPS) { - this._operatorIdMapping[_util.OPS[op]] = op; - } - } - getObject(data, fallback = null) { - if (typeof data === "string") { - return data.startsWith("g_") ? this.commonObjs.get(data) : this.objs.get(data); - } - return fallback; - } - save() { - this.transformStack.push(this.transformMatrix); - const old = this.current; - this.extraStack.push(old); - this.current = old.clone(); - } - restore() { - this.transformMatrix = this.transformStack.pop(); - this.current = this.extraStack.pop(); - this.pendingClip = null; - this.tgrp = null; - } - group(items) { - this.save(); - this.executeOpTree(items); - this.restore(); - } - loadDependencies(operatorList) { - const fnArray = operatorList.fnArray; - const argsArray = operatorList.argsArray; - for (let i = 0, ii = fnArray.length; i < ii; i++) { - if (fnArray[i] !== _util.OPS.dependency) { - continue; - } - for (const obj of argsArray[i]) { - const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs; - const promise = new Promise(resolve => { - objsPool.get(obj, resolve); - }); - this.current.dependencies.push(promise); - } - } - return Promise.all(this.current.dependencies); - } - transform(a, b, c, d, e, f) { - const transformMatrix = [a, b, c, d, e, f]; - this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix); - this.tgrp = null; - } - getSVG(operatorList, viewport) { - this.viewport = viewport; - const svgElement = this._initialize(viewport); - return this.loadDependencies(operatorList).then(() => { - this.transformMatrix = _util.IDENTITY_MATRIX; - this.executeOpTree(this.convertOpList(operatorList)); - return svgElement; - }); - } - convertOpList(operatorList) { - const operatorIdMapping = this._operatorIdMapping; - const argsArray = operatorList.argsArray; - const fnArray = operatorList.fnArray; - const opList = []; - for (let i = 0, ii = fnArray.length; i < ii; i++) { - const fnId = fnArray[i]; - opList.push({ - fnId, - fn: operatorIdMapping[fnId], - args: argsArray[i] - }); - } - return opListToTree(opList); - } - executeOpTree(opTree) { - for (const opTreeElement of opTree) { - const fn = opTreeElement.fn; - const fnId = opTreeElement.fnId; - const args = opTreeElement.args; - switch (fnId | 0) { - case _util.OPS.beginText: - this.beginText(); - break; - case _util.OPS.dependency: - break; - case _util.OPS.setLeading: - this.setLeading(args); - break; - case _util.OPS.setLeadingMoveText: - this.setLeadingMoveText(args[0], args[1]); - break; - case _util.OPS.setFont: - this.setFont(args); - break; - case _util.OPS.showText: - this.showText(args[0]); - break; - case _util.OPS.showSpacedText: - this.showText(args[0]); - break; - case _util.OPS.endText: - this.endText(); - break; - case _util.OPS.moveText: - this.moveText(args[0], args[1]); - break; - case _util.OPS.setCharSpacing: - this.setCharSpacing(args[0]); - break; - case _util.OPS.setWordSpacing: - this.setWordSpacing(args[0]); - break; - case _util.OPS.setHScale: - this.setHScale(args[0]); - break; - case _util.OPS.setTextMatrix: - this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]); - break; - case _util.OPS.setTextRise: - this.setTextRise(args[0]); - break; - case _util.OPS.setTextRenderingMode: - this.setTextRenderingMode(args[0]); - break; - case _util.OPS.setLineWidth: - this.setLineWidth(args[0]); - break; - case _util.OPS.setLineJoin: - this.setLineJoin(args[0]); - break; - case _util.OPS.setLineCap: - this.setLineCap(args[0]); - break; - case _util.OPS.setMiterLimit: - this.setMiterLimit(args[0]); - break; - case _util.OPS.setFillRGBColor: - this.setFillRGBColor(args[0], args[1], args[2]); - break; - case _util.OPS.setStrokeRGBColor: - this.setStrokeRGBColor(args[0], args[1], args[2]); - break; - case _util.OPS.setStrokeColorN: - this.setStrokeColorN(args); - break; - case _util.OPS.setFillColorN: - this.setFillColorN(args); - break; - case _util.OPS.shadingFill: - this.shadingFill(args[0]); - break; - case _util.OPS.setDash: - this.setDash(args[0], args[1]); - break; - case _util.OPS.setRenderingIntent: - this.setRenderingIntent(args[0]); - break; - case _util.OPS.setFlatness: - this.setFlatness(args[0]); - break; - case _util.OPS.setGState: - this.setGState(args[0]); - break; - case _util.OPS.fill: - this.fill(); - break; - case _util.OPS.eoFill: - this.eoFill(); - break; - case _util.OPS.stroke: - this.stroke(); - break; - case _util.OPS.fillStroke: - this.fillStroke(); - break; - case _util.OPS.eoFillStroke: - this.eoFillStroke(); - break; - case _util.OPS.clip: - this.clip("nonzero"); - break; - case _util.OPS.eoClip: - this.clip("evenodd"); - break; - case _util.OPS.paintSolidColorImageMask: - this.paintSolidColorImageMask(); - break; - case _util.OPS.paintImageXObject: - this.paintImageXObject(args[0]); - break; - case _util.OPS.paintInlineImageXObject: - this.paintInlineImageXObject(args[0]); - break; - case _util.OPS.paintImageMaskXObject: - this.paintImageMaskXObject(args[0]); - break; - case _util.OPS.paintFormXObjectBegin: - this.paintFormXObjectBegin(args[0], args[1]); - break; - case _util.OPS.paintFormXObjectEnd: - this.paintFormXObjectEnd(); - break; - case _util.OPS.closePath: - this.closePath(); - break; - case _util.OPS.closeStroke: - this.closeStroke(); - break; - case _util.OPS.closeFillStroke: - this.closeFillStroke(); - break; - case _util.OPS.closeEOFillStroke: - this.closeEOFillStroke(); - break; - case _util.OPS.nextLine: - this.nextLine(); - break; - case _util.OPS.transform: - this.transform(args[0], args[1], args[2], args[3], args[4], args[5]); - break; - case _util.OPS.constructPath: - this.constructPath(args[0], args[1]); - break; - case _util.OPS.endPath: - this.endPath(); - break; - case 92: - this.group(opTreeElement.items); - break; - default: - (0, _util.warn)(`Unimplemented operator ${fn}`); - break; - } - } - } - setWordSpacing(wordSpacing) { - this.current.wordSpacing = wordSpacing; - } - setCharSpacing(charSpacing) { - this.current.charSpacing = charSpacing; - } - nextLine() { - this.moveText(0, this.current.leading); - } - setTextMatrix(a, b, c, d, e, f) { - const current = this.current; - current.textMatrix = current.lineMatrix = [a, b, c, d, e, f]; - current.textMatrixScale = Math.hypot(a, b); - current.x = current.lineX = 0; - current.y = current.lineY = 0; - current.xcoords = []; - current.ycoords = []; - current.tspan = this.svgFactory.createElement("svg:tspan"); - current.tspan.setAttributeNS(null, "font-family", current.fontFamily); - current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`); - current.tspan.setAttributeNS(null, "y", pf(-current.y)); - current.txtElement = this.svgFactory.createElement("svg:text"); - current.txtElement.append(current.tspan); - } - beginText() { - const current = this.current; - current.x = current.lineX = 0; - current.y = current.lineY = 0; - current.textMatrix = _util.IDENTITY_MATRIX; - current.lineMatrix = _util.IDENTITY_MATRIX; - current.textMatrixScale = 1; - current.tspan = this.svgFactory.createElement("svg:tspan"); - current.txtElement = this.svgFactory.createElement("svg:text"); - current.txtgrp = this.svgFactory.createElement("svg:g"); - current.xcoords = []; - current.ycoords = []; - } - moveText(x, y) { - const current = this.current; - current.x = current.lineX += x; - current.y = current.lineY += y; - current.xcoords = []; - current.ycoords = []; - current.tspan = this.svgFactory.createElement("svg:tspan"); - current.tspan.setAttributeNS(null, "font-family", current.fontFamily); - current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`); - current.tspan.setAttributeNS(null, "y", pf(-current.y)); - } - showText(glyphs) { - const current = this.current; - const font = current.font; - const fontSize = current.fontSize; - if (fontSize === 0) { - return; - } - const fontSizeScale = current.fontSizeScale; - const charSpacing = current.charSpacing; - const wordSpacing = current.wordSpacing; - const fontDirection = current.fontDirection; - const textHScale = current.textHScale * fontDirection; - const vertical = font.vertical; - const spacingDir = vertical ? 1 : -1; - const defaultVMetrics = font.defaultVMetrics; - const widthAdvanceScale = fontSize * current.fontMatrix[0]; - let x = 0; - for (const glyph of glyphs) { - if (glyph === null) { - x += fontDirection * wordSpacing; - continue; - } else if (typeof glyph === "number") { - x += spacingDir * glyph * fontSize / 1000; - continue; - } - const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; - const character = glyph.fontChar; - let scaledX, scaledY; - let width = glyph.width; - if (vertical) { - let vx; - const vmetric = glyph.vmetric || defaultVMetrics; - vx = glyph.vmetric ? vmetric[1] : width * 0.5; - vx = -vx * widthAdvanceScale; - const vy = vmetric[2] * widthAdvanceScale; - width = vmetric ? -vmetric[0] : width; - scaledX = vx / fontSizeScale; - scaledY = (x + vy) / fontSizeScale; - } else { - scaledX = x / fontSizeScale; - scaledY = 0; - } - if (glyph.isInFont || font.missingFile) { - current.xcoords.push(current.x + scaledX); - if (vertical) { - current.ycoords.push(-current.y + scaledY); - } - current.tspan.textContent += character; - } else {} - let charWidth; - if (vertical) { - charWidth = width * widthAdvanceScale - spacing * fontDirection; - } else { - charWidth = width * widthAdvanceScale + spacing * fontDirection; - } - x += charWidth; - } - current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" ")); - if (vertical) { - current.tspan.setAttributeNS(null, "y", current.ycoords.map(pf).join(" ")); - } else { - current.tspan.setAttributeNS(null, "y", pf(-current.y)); - } - if (vertical) { - current.y -= x; - } else { - current.x += x * textHScale; - } - current.tspan.setAttributeNS(null, "font-family", current.fontFamily); - current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`); - if (current.fontStyle !== SVG_DEFAULTS.fontStyle) { - current.tspan.setAttributeNS(null, "font-style", current.fontStyle); - } - if (current.fontWeight !== SVG_DEFAULTS.fontWeight) { - current.tspan.setAttributeNS(null, "font-weight", current.fontWeight); - } - const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK; - if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { - if (current.fillColor !== SVG_DEFAULTS.fillColor) { - current.tspan.setAttributeNS(null, "fill", current.fillColor); - } - if (current.fillAlpha < 1) { - current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha); - } - } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) { - current.tspan.setAttributeNS(null, "fill", "transparent"); - } else { - current.tspan.setAttributeNS(null, "fill", "none"); - } - if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { - const lineWidthScale = 1 / (current.textMatrixScale || 1); - this._setStrokeAttributes(current.tspan, lineWidthScale); - } - let textMatrix = current.textMatrix; - if (current.textRise !== 0) { - textMatrix = textMatrix.slice(); - textMatrix[5] += current.textRise; - } - current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`); - current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve"); - current.txtElement.append(current.tspan); - current.txtgrp.append(current.txtElement); - this._ensureTransformGroup().append(current.txtElement); - } - setLeadingMoveText(x, y) { - this.setLeading(-y); - this.moveText(x, y); - } - addFontStyle(fontObj) { - if (!fontObj.data) { - throw new Error("addFontStyle: No font data available, " + 'ensure that the "fontExtraProperties" API parameter is set.'); - } - if (!this.cssStyle) { - this.cssStyle = this.svgFactory.createElement("svg:style"); - this.cssStyle.setAttributeNS(null, "type", "text/css"); - this.defs.append(this.cssStyle); - } - const url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema); - this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`; - } - setFont(details) { - const current = this.current; - const fontObj = this.commonObjs.get(details[0]); - let size = details[1]; - current.font = fontObj; - if (this.embedFonts && !fontObj.missingFile && !this.embeddedFonts[fontObj.loadedName]) { - this.addFontStyle(fontObj); - this.embeddedFonts[fontObj.loadedName] = fontObj; - } - current.fontMatrix = fontObj.fontMatrix || _util.FONT_IDENTITY_MATRIX; - let bold = "normal"; - if (fontObj.black) { - bold = "900"; - } else if (fontObj.bold) { - bold = "bold"; - } - const italic = fontObj.italic ? "italic" : "normal"; - if (size < 0) { - size = -size; - current.fontDirection = -1; - } else { - current.fontDirection = 1; - } - current.fontSize = size; - current.fontFamily = fontObj.loadedName; - current.fontWeight = bold; - current.fontStyle = italic; - current.tspan = this.svgFactory.createElement("svg:tspan"); - current.tspan.setAttributeNS(null, "y", pf(-current.y)); - current.xcoords = []; - current.ycoords = []; - } - endText() { - const current = this.current; - if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement?.hasChildNodes()) { - current.element = current.txtElement; - this.clip("nonzero"); - this.endPath(); - } - } - setLineWidth(width) { - if (width > 0) { - this.current.lineWidth = width; - } - } - setLineCap(style) { - this.current.lineCap = LINE_CAP_STYLES[style]; - } - setLineJoin(style) { - this.current.lineJoin = LINE_JOIN_STYLES[style]; - } - setMiterLimit(limit) { - this.current.miterLimit = limit; - } - setStrokeAlpha(strokeAlpha) { - this.current.strokeAlpha = strokeAlpha; - } - setStrokeRGBColor(r, g, b) { - this.current.strokeColor = _util.Util.makeHexColor(r, g, b); - } - setFillAlpha(fillAlpha) { - this.current.fillAlpha = fillAlpha; - } - setFillRGBColor(r, g, b) { - this.current.fillColor = _util.Util.makeHexColor(r, g, b); - this.current.tspan = this.svgFactory.createElement("svg:tspan"); - this.current.xcoords = []; - this.current.ycoords = []; - } - setStrokeColorN(args) { - this.current.strokeColor = this._makeColorN_Pattern(args); - } - setFillColorN(args) { - this.current.fillColor = this._makeColorN_Pattern(args); - } - shadingFill(args) { - const width = this.viewport.width; - const height = this.viewport.height; - const inv = _util.Util.inverseTransform(this.transformMatrix); - const bl = _util.Util.applyTransform([0, 0], inv); - const br = _util.Util.applyTransform([0, height], inv); - const ul = _util.Util.applyTransform([width, 0], inv); - const ur = _util.Util.applyTransform([width, height], inv); - const x0 = Math.min(bl[0], br[0], ul[0], ur[0]); - const y0 = Math.min(bl[1], br[1], ul[1], ur[1]); - const x1 = Math.max(bl[0], br[0], ul[0], ur[0]); - const y1 = Math.max(bl[1], br[1], ul[1], ur[1]); - const rect = this.svgFactory.createElement("svg:rect"); - rect.setAttributeNS(null, "x", x0); - rect.setAttributeNS(null, "y", y0); - rect.setAttributeNS(null, "width", x1 - x0); - rect.setAttributeNS(null, "height", y1 - y0); - rect.setAttributeNS(null, "fill", this._makeShadingPattern(args)); - if (this.current.fillAlpha < 1) { - rect.setAttributeNS(null, "fill-opacity", this.current.fillAlpha); - } - this._ensureTransformGroup().append(rect); - } - _makeColorN_Pattern(args) { - if (args[0] === "TilingPattern") { - return this._makeTilingPattern(args); - } - return this._makeShadingPattern(args); - } - _makeTilingPattern(args) { - const color = args[1]; - const operatorList = args[2]; - const matrix = args[3] || _util.IDENTITY_MATRIX; - const [x0, y0, x1, y1] = args[4]; - const xstep = args[5]; - const ystep = args[6]; - const paintType = args[7]; - const tilingId = `shading${shadingCount++}`; - const [tx0, ty0, tx1, ty1] = _util.Util.normalizeRect([..._util.Util.applyTransform([x0, y0], matrix), ..._util.Util.applyTransform([x1, y1], matrix)]); - const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix); - const txstep = xstep * xscale; - const tystep = ystep * yscale; - const tiling = this.svgFactory.createElement("svg:pattern"); - tiling.setAttributeNS(null, "id", tilingId); - tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse"); - tiling.setAttributeNS(null, "width", txstep); - tiling.setAttributeNS(null, "height", tystep); - tiling.setAttributeNS(null, "x", `${tx0}`); - tiling.setAttributeNS(null, "y", `${ty0}`); - const svg = this.svg; - const transformMatrix = this.transformMatrix; - const fillColor = this.current.fillColor; - const strokeColor = this.current.strokeColor; - const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0); - this.svg = bbox; - this.transformMatrix = matrix; - if (paintType === 2) { - const cssColor = _util.Util.makeHexColor(...color); - this.current.fillColor = cssColor; - this.current.strokeColor = cssColor; - } - this.executeOpTree(this.convertOpList(operatorList)); - this.svg = svg; - this.transformMatrix = transformMatrix; - this.current.fillColor = fillColor; - this.current.strokeColor = strokeColor; - tiling.append(bbox.childNodes[0]); - this.defs.append(tiling); - return `url(#${tilingId})`; - } - _makeShadingPattern(args) { - if (typeof args === "string") { - args = this.objs.get(args); - } - switch (args[0]) { - case "RadialAxial": - const shadingId = `shading${shadingCount++}`; - const colorStops = args[3]; - let gradient; - switch (args[1]) { - case "axial": - const point0 = args[4]; - const point1 = args[5]; - gradient = this.svgFactory.createElement("svg:linearGradient"); - gradient.setAttributeNS(null, "id", shadingId); - gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse"); - gradient.setAttributeNS(null, "x1", point0[0]); - gradient.setAttributeNS(null, "y1", point0[1]); - gradient.setAttributeNS(null, "x2", point1[0]); - gradient.setAttributeNS(null, "y2", point1[1]); - break; - case "radial": - const focalPoint = args[4]; - const circlePoint = args[5]; - const focalRadius = args[6]; - const circleRadius = args[7]; - gradient = this.svgFactory.createElement("svg:radialGradient"); - gradient.setAttributeNS(null, "id", shadingId); - gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse"); - gradient.setAttributeNS(null, "cx", circlePoint[0]); - gradient.setAttributeNS(null, "cy", circlePoint[1]); - gradient.setAttributeNS(null, "r", circleRadius); - gradient.setAttributeNS(null, "fx", focalPoint[0]); - gradient.setAttributeNS(null, "fy", focalPoint[1]); - gradient.setAttributeNS(null, "fr", focalRadius); - break; - default: - throw new Error(`Unknown RadialAxial type: ${args[1]}`); - } - for (const colorStop of colorStops) { - const stop = this.svgFactory.createElement("svg:stop"); - stop.setAttributeNS(null, "offset", colorStop[0]); - stop.setAttributeNS(null, "stop-color", colorStop[1]); - gradient.append(stop); - } - this.defs.append(gradient); - return `url(#${shadingId})`; - case "Mesh": - (0, _util.warn)("Unimplemented pattern Mesh"); - return null; - case "Dummy": - return "hotpink"; - default: - throw new Error(`Unknown IR type: ${args[0]}`); - } - } - setDash(dashArray, dashPhase) { - this.current.dashArray = dashArray; - this.current.dashPhase = dashPhase; - } - constructPath(ops, args) { - const current = this.current; - let x = current.x, - y = current.y; - let d = []; - let j = 0; - for (const op of ops) { - switch (op | 0) { - case _util.OPS.rectangle: - x = args[j++]; - y = args[j++]; - const width = args[j++]; - const height = args[j++]; - const xw = x + width; - const yh = y + height; - d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z"); - break; - case _util.OPS.moveTo: - x = args[j++]; - y = args[j++]; - d.push("M", pf(x), pf(y)); - break; - case _util.OPS.lineTo: - x = args[j++]; - y = args[j++]; - d.push("L", pf(x), pf(y)); - break; - case _util.OPS.curveTo: - x = args[j + 4]; - y = args[j + 5]; - d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y)); - j += 6; - break; - case _util.OPS.curveTo2: - d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3])); - x = args[j + 2]; - y = args[j + 3]; - j += 4; - break; - case _util.OPS.curveTo3: - x = args[j + 2]; - y = args[j + 3]; - d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y)); - j += 4; - break; - case _util.OPS.closePath: - d.push("Z"); - break; - } - } - d = d.join(" "); - if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) { - d = current.path.getAttributeNS(null, "d") + d; - } else { - current.path = this.svgFactory.createElement("svg:path"); - this._ensureTransformGroup().append(current.path); - } - current.path.setAttributeNS(null, "d", d); - current.path.setAttributeNS(null, "fill", "none"); - current.element = current.path; - current.setCurrentPoint(x, y); - } - endPath() { - const current = this.current; - current.path = null; - if (!this.pendingClip) { - return; - } - if (!current.element) { - this.pendingClip = null; - return; - } - const clipId = `clippath${clipCount++}`; - const clipPath = this.svgFactory.createElement("svg:clipPath"); - clipPath.setAttributeNS(null, "id", clipId); - clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix)); - const clipElement = current.element.cloneNode(true); - if (this.pendingClip === "evenodd") { - clipElement.setAttributeNS(null, "clip-rule", "evenodd"); - } else { - clipElement.setAttributeNS(null, "clip-rule", "nonzero"); - } - this.pendingClip = null; - clipPath.append(clipElement); - this.defs.append(clipPath); - if (current.activeClipUrl) { - current.clipGroup = null; - for (const prev of this.extraStack) { - prev.clipGroup = null; - } - clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl); - } - current.activeClipUrl = `url(#${clipId})`; - this.tgrp = null; - } - clip(type) { - this.pendingClip = type; - } - closePath() { - const current = this.current; - if (current.path) { - const d = `${current.path.getAttributeNS(null, "d")}Z`; - current.path.setAttributeNS(null, "d", d); - } - } - setLeading(leading) { - this.current.leading = -leading; - } - setTextRise(textRise) { - this.current.textRise = textRise; - } - setTextRenderingMode(textRenderingMode) { - this.current.textRenderingMode = textRenderingMode; - } - setHScale(scale) { - this.current.textHScale = scale / 100; - } - setRenderingIntent(intent) {} - setFlatness(flatness) {} - setGState(states) { - for (const [key, value] of states) { - switch (key) { - case "LW": - this.setLineWidth(value); - break; - case "LC": - this.setLineCap(value); - break; - case "LJ": - this.setLineJoin(value); - break; - case "ML": - this.setMiterLimit(value); - break; - case "D": - this.setDash(value[0], value[1]); - break; - case "RI": - this.setRenderingIntent(value); - break; - case "FL": - this.setFlatness(value); - break; - case "Font": - this.setFont(value); - break; - case "CA": - this.setStrokeAlpha(value); - break; - case "ca": - this.setFillAlpha(value); - break; - default: - (0, _util.warn)(`Unimplemented graphic state operator ${key}`); - break; - } - } - } - fill() { - const current = this.current; - if (current.element) { - current.element.setAttributeNS(null, "fill", current.fillColor); - current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha); - this.endPath(); - } - } - stroke() { - const current = this.current; - if (current.element) { - this._setStrokeAttributes(current.element); - current.element.setAttributeNS(null, "fill", "none"); - this.endPath(); - } - } - _setStrokeAttributes(element, lineWidthScale = 1) { - const current = this.current; - let dashArray = current.dashArray; - if (lineWidthScale !== 1 && dashArray.length > 0) { - dashArray = dashArray.map(function (value) { - return lineWidthScale * value; - }); - } - element.setAttributeNS(null, "stroke", current.strokeColor); - element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha); - element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit)); - element.setAttributeNS(null, "stroke-linecap", current.lineCap); - element.setAttributeNS(null, "stroke-linejoin", current.lineJoin); - element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px"); - element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" ")); - element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px"); - } - eoFill() { - this.current.element?.setAttributeNS(null, "fill-rule", "evenodd"); - this.fill(); - } - fillStroke() { - this.stroke(); - this.fill(); - } - eoFillStroke() { - this.current.element?.setAttributeNS(null, "fill-rule", "evenodd"); - this.fillStroke(); - } - closeStroke() { - this.closePath(); - this.stroke(); - } - closeFillStroke() { - this.closePath(); - this.fillStroke(); - } - closeEOFillStroke() { - this.closePath(); - this.eoFillStroke(); - } - paintSolidColorImageMask() { - const rect = this.svgFactory.createElement("svg:rect"); - rect.setAttributeNS(null, "x", "0"); - rect.setAttributeNS(null, "y", "0"); - rect.setAttributeNS(null, "width", "1px"); - rect.setAttributeNS(null, "height", "1px"); - rect.setAttributeNS(null, "fill", this.current.fillColor); - this._ensureTransformGroup().append(rect); - } - paintImageXObject(objId) { - const imgData = this.getObject(objId); - if (!imgData) { - (0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`); - return; - } - this.paintInlineImageXObject(imgData); - } - paintInlineImageXObject(imgData, mask) { - const width = imgData.width; - const height = imgData.height; - const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask); - const cliprect = this.svgFactory.createElement("svg:rect"); - cliprect.setAttributeNS(null, "x", "0"); - cliprect.setAttributeNS(null, "y", "0"); - cliprect.setAttributeNS(null, "width", pf(width)); - cliprect.setAttributeNS(null, "height", pf(height)); - this.current.element = cliprect; - this.clip("nonzero"); - const imgEl = this.svgFactory.createElement("svg:image"); - imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc); - imgEl.setAttributeNS(null, "x", "0"); - imgEl.setAttributeNS(null, "y", pf(-height)); - imgEl.setAttributeNS(null, "width", pf(width) + "px"); - imgEl.setAttributeNS(null, "height", pf(height) + "px"); - imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / width)} ${pf(-1 / height)})`); - if (mask) { - mask.append(imgEl); - } else { - this._ensureTransformGroup().append(imgEl); - } - } - paintImageMaskXObject(img) { - const imgData = this.getObject(img.data, img); - if (imgData.bitmap) { - (0, _util.warn)("paintImageMaskXObject: ImageBitmap support is not implemented, " + "ensure that the `isOffscreenCanvasSupported` API parameter is disabled."); - return; - } - const current = this.current; - const width = imgData.width; - const height = imgData.height; - const fillColor = current.fillColor; - current.maskId = `mask${maskCount++}`; - const mask = this.svgFactory.createElement("svg:mask"); - mask.setAttributeNS(null, "id", current.maskId); - const rect = this.svgFactory.createElement("svg:rect"); - rect.setAttributeNS(null, "x", "0"); - rect.setAttributeNS(null, "y", "0"); - rect.setAttributeNS(null, "width", pf(width)); - rect.setAttributeNS(null, "height", pf(height)); - rect.setAttributeNS(null, "fill", fillColor); - rect.setAttributeNS(null, "mask", `url(#${current.maskId})`); - this.defs.append(mask); - this._ensureTransformGroup().append(rect); - this.paintInlineImageXObject(imgData, mask); - } - paintFormXObjectBegin(matrix, bbox) { - if (Array.isArray(matrix) && matrix.length === 6) { - this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]); - } - if (bbox) { - const width = bbox[2] - bbox[0]; - const height = bbox[3] - bbox[1]; - const cliprect = this.svgFactory.createElement("svg:rect"); - cliprect.setAttributeNS(null, "x", bbox[0]); - cliprect.setAttributeNS(null, "y", bbox[1]); - cliprect.setAttributeNS(null, "width", pf(width)); - cliprect.setAttributeNS(null, "height", pf(height)); - this.current.element = cliprect; - this.clip("nonzero"); - this.endPath(); - } - } - paintFormXObjectEnd() {} - _initialize(viewport) { - const svg = this.svgFactory.create(viewport.width, viewport.height); - const definitions = this.svgFactory.createElement("svg:defs"); - svg.append(definitions); - this.defs = definitions; - const rootGroup = this.svgFactory.createElement("svg:g"); - rootGroup.setAttributeNS(null, "transform", pm(viewport.transform)); - svg.append(rootGroup); - this.svg = rootGroup; - return svg; - } - _ensureClipGroup() { - if (!this.current.clipGroup) { - const clipGroup = this.svgFactory.createElement("svg:g"); - clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl); - this.svg.append(clipGroup); - this.current.clipGroup = clipGroup; - } - return this.current.clipGroup; - } - _ensureTransformGroup() { - if (!this.tgrp) { - this.tgrp = this.svgFactory.createElement("svg:g"); - this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix)); - if (this.current.activeClipUrl) { - this._ensureClipGroup().append(this.tgrp); - } else { - this.svg.append(this.tgrp); - } - } - return this.tgrp; - } - }; -} + const { + decorative, + altText + } = this.altTextData; + if (!decorative && altText) { + serialized.accessibilityData = { + type: "Figure", + alt: altText + }; + } + if (context === null) { + return serialized; + } + context.stamps ||= new Map(); + const area = this.#isSvg ? (serialized.rect[2] - serialized.rect[0]) * (serialized.rect[3] - serialized.rect[1]) : null; + if (!context.stamps.has(this.#bitmapId)) { + context.stamps.set(this.#bitmapId, { + area, + serialized + }); + serialized.bitmap = this.#serializeBitmap(false); + } else if (this.#isSvg) { + const prevData = context.stamps.get(this.#bitmapId); + if (area > prevData.area) { + prevData.area = area; + prevData.serialized.bitmap.close(); + prevData.serialized.bitmap = this.#serializeBitmap(false); + } + } + return serialized; + } + } + + exports.StampEditor = StampEditor; /***/ }) /******/ ]); /************************************************************************/ /******/ // The module cache /******/ var __webpack_module_cache__ = {}; -/******/ +/******/ /******/ // The require function /******/ function __w_pdfjs_require__(moduleId) { /******/ // Check if module is in cache @@ -15542,14 +18260,14 @@ exports.SVGGraphics = SVGGraphics; /******/ // no module.loaded needed /******/ exports: {} /******/ }; -/******/ +/******/ /******/ // Execute the module function /******/ __webpack_modules__[moduleId](module, module.exports, __w_pdfjs_require__); -/******/ +/******/ /******/ // Return the exports of the module /******/ return module.exports; /******/ } -/******/ +/******/ /************************************************************************/ var __webpack_exports__ = {}; // This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk. @@ -15607,12 +18325,30 @@ Object.defineProperty(exports, "CMapCompressionType", ({ get: function () { return _util.CMapCompressionType; } +})); + Object.defineProperty(exports, "DOMSVGFactory", ({ + enumerable: true, + get: function () { + return _display_utils.DOMSVGFactory; + } + })); + Object.defineProperty(exports, "FeatureTest", ({ + enumerable: true, + get: function () { + return _util.FeatureTest; + } })); Object.defineProperty(exports, "GlobalWorkerOptions", ({ enumerable: true, get: function () { return _worker_options.GlobalWorkerOptions; } +})); + Object.defineProperty(exports, "ImageKind", ({ + enumerable: true, + get: function () { + return _util.ImageKind; + } })); Object.defineProperty(exports, "InvalidPDFException", ({ enumerable: true, @@ -15667,6 +18403,12 @@ Object.defineProperty(exports, "PixelsPerInch", ({ get: function () { return _display_utils.PixelsPerInch; } +})); + Object.defineProperty(exports, "PromiseCapability", ({ + enumerable: true, + get: function () { + return _util.PromiseCapability; + } })); Object.defineProperty(exports, "RenderingCancelledException", ({ enumerable: true, @@ -15677,13 +18419,7 @@ Object.defineProperty(exports, "RenderingCancelledException", ({ Object.defineProperty(exports, "SVGGraphics", ({ enumerable: true, get: function () { - return _svg.SVGGraphics; - } -})); -Object.defineProperty(exports, "UNSUPPORTED_FEATURES", ({ - enumerable: true, - get: function () { - return _util.UNSUPPORTED_FEATURES; + return _api.SVGGraphics; } })); Object.defineProperty(exports, "UnexpectedResponseException", ({ @@ -15716,12 +18452,6 @@ Object.defineProperty(exports, "build", ({ return _api.build; } })); -Object.defineProperty(exports, "createPromiseCapability", ({ - enumerable: true, - get: function () { - return _util.createPromiseCapability; - } -})); Object.defineProperty(exports, "createValidAbsoluteUrl", ({ enumerable: true, get: function () { @@ -15769,6 +18499,18 @@ Object.defineProperty(exports, "loadScript", ({ get: function () { return _display_utils.loadScript; } +})); + Object.defineProperty(exports, "noContextMenu", ({ + enumerable: true, + get: function () { + return _display_utils.noContextMenu; + } + })); + Object.defineProperty(exports, "normalizeUnicode", ({ + enumerable: true, + get: function () { + return _util.normalizeUnicode; + } })); Object.defineProperty(exports, "renderTextLayer", ({ enumerable: true, @@ -15806,12 +18548,11 @@ var _display_utils = __w_pdfjs_require__(6); var _text_layer = __w_pdfjs_require__(26); var _annotation_editor_layer = __w_pdfjs_require__(27); var _tools = __w_pdfjs_require__(5); -var _annotation_layer = __w_pdfjs_require__(32); + var _annotation_layer = __w_pdfjs_require__(29); var _worker_options = __w_pdfjs_require__(14); -var _svg = __w_pdfjs_require__(35); -var _xfa_layer = __w_pdfjs_require__(34); -const pdfjsVersion = '3.3.122'; -const pdfjsBuild = '562045607'; + var _xfa_layer = __w_pdfjs_require__(32); + const pdfjsVersion = '3.11.174'; + const pdfjsBuild = 'ce8716743'; })(); /******/ return __webpack_exports__; diff --git a/src/main/resources/static/pdfjs/pdf.js.map b/src/main/resources/static/pdfjs/pdf.js.map index 5713d322..39c3bd65 100644 --- a/src/main/resources/static/pdfjs/pdf.js.map +++ b/src/main/resources/static/pdfjs/pdf.js.map @@ -1 +1 @@ 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Acrobat seems to use this value.\nconst LINE_FACTOR = 1.35;\nconst LINE_DESCENT_FACTOR = 0.35;\nconst BASELINE_FACTOR = LINE_DESCENT_FACTOR / LINE_FACTOR;\n\n/**\n * Refer to the `WorkerTransport.getRenderingIntent`-method in the API, to see\n * how these flags are being used:\n * - ANY, DISPLAY, and PRINT are the normal rendering intents, note the\n * `PDFPageProxy.{render, getOperatorList, getAnnotations}`-methods.\n * - ANNOTATIONS_FORMS, ANNOTATIONS_STORAGE, ANNOTATIONS_DISABLE control which\n * annotations are rendered onto the canvas (i.e. by being included in the\n * operatorList), note the `PDFPageProxy.{render, getOperatorList}`-methods\n * and their `annotationMode`-option.\n * - OPLIST is used with the `PDFPageProxy.getOperatorList`-method, note the\n * `OperatorList`-constructor (on the worker-thread).\n */\nconst RenderingIntentFlag = {\n ANY: 0x01,\n DISPLAY: 0x02,\n PRINT: 0x04,\n SAVE: 0x08,\n ANNOTATIONS_FORMS: 0x10,\n ANNOTATIONS_STORAGE: 0x20,\n ANNOTATIONS_DISABLE: 0x40,\n OPLIST: 0x100,\n};\n\nconst AnnotationMode = {\n DISABLE: 0,\n ENABLE: 1,\n ENABLE_FORMS: 2,\n ENABLE_STORAGE: 3,\n};\n\nconst AnnotationEditorPrefix = \"pdfjs_internal_editor_\";\n\nconst AnnotationEditorType = {\n DISABLE: -1,\n NONE: 0,\n FREETEXT: 3,\n INK: 15,\n};\n\nconst AnnotationEditorParamsType = {\n FREETEXT_SIZE: 1,\n FREETEXT_COLOR: 2,\n FREETEXT_OPACITY: 3,\n INK_COLOR: 11,\n INK_THICKNESS: 12,\n INK_OPACITY: 13,\n};\n\n// Permission flags from Table 22, Section 7.6.3.2 of the PDF specification.\nconst PermissionFlag = {\n PRINT: 0x04,\n MODIFY_CONTENTS: 0x08,\n COPY: 0x10,\n MODIFY_ANNOTATIONS: 0x20,\n FILL_INTERACTIVE_FORMS: 0x100,\n COPY_FOR_ACCESSIBILITY: 0x200,\n ASSEMBLE: 0x400,\n PRINT_HIGH_QUALITY: 0x800,\n};\n\nconst TextRenderingMode = {\n FILL: 0,\n STROKE: 1,\n FILL_STROKE: 2,\n INVISIBLE: 3,\n FILL_ADD_TO_PATH: 4,\n STROKE_ADD_TO_PATH: 5,\n FILL_STROKE_ADD_TO_PATH: 6,\n ADD_TO_PATH: 7,\n FILL_STROKE_MASK: 3,\n ADD_TO_PATH_FLAG: 4,\n};\n\nconst ImageKind = {\n GRAYSCALE_1BPP: 1,\n RGB_24BPP: 2,\n RGBA_32BPP: 3,\n};\n\nconst AnnotationType = {\n TEXT: 1,\n LINK: 2,\n FREETEXT: 3,\n LINE: 4,\n SQUARE: 5,\n CIRCLE: 6,\n POLYGON: 7,\n POLYLINE: 8,\n HIGHLIGHT: 9,\n UNDERLINE: 10,\n SQUIGGLY: 11,\n STRIKEOUT: 12,\n STAMP: 13,\n CARET: 14,\n INK: 15,\n POPUP: 16,\n FILEATTACHMENT: 17,\n SOUND: 18,\n MOVIE: 19,\n WIDGET: 20,\n SCREEN: 21,\n PRINTERMARK: 22,\n TRAPNET: 23,\n WATERMARK: 24,\n THREED: 25,\n REDACT: 26,\n};\n\nconst AnnotationStateModelType = {\n MARKED: \"Marked\",\n REVIEW: \"Review\",\n};\n\nconst AnnotationMarkedState = {\n MARKED: \"Marked\",\n UNMARKED: \"Unmarked\",\n};\n\nconst AnnotationReviewState = {\n ACCEPTED: \"Accepted\",\n REJECTED: \"Rejected\",\n CANCELLED: \"Cancelled\",\n COMPLETED: \"Completed\",\n NONE: \"None\",\n};\n\nconst AnnotationReplyType = {\n GROUP: \"Group\",\n REPLY: \"R\",\n};\n\nconst AnnotationFlag = {\n INVISIBLE: 0x01,\n HIDDEN: 0x02,\n PRINT: 0x04,\n NOZOOM: 0x08,\n NOROTATE: 0x10,\n NOVIEW: 0x20,\n READONLY: 0x40,\n LOCKED: 0x80,\n TOGGLENOVIEW: 0x100,\n LOCKEDCONTENTS: 0x200,\n};\n\nconst AnnotationFieldFlag = {\n READONLY: 0x0000001,\n REQUIRED: 0x0000002,\n NOEXPORT: 0x0000004,\n MULTILINE: 0x0001000,\n PASSWORD: 0x0002000,\n NOTOGGLETOOFF: 0x0004000,\n RADIO: 0x0008000,\n PUSHBUTTON: 0x0010000,\n COMBO: 0x0020000,\n EDIT: 0x0040000,\n SORT: 0x0080000,\n FILESELECT: 0x0100000,\n MULTISELECT: 0x0200000,\n DONOTSPELLCHECK: 0x0400000,\n DONOTSCROLL: 0x0800000,\n COMB: 0x1000000,\n RICHTEXT: 0x2000000,\n RADIOSINUNISON: 0x2000000,\n COMMITONSELCHANGE: 0x4000000,\n};\n\nconst AnnotationBorderStyleType = {\n SOLID: 1,\n DASHED: 2,\n BEVELED: 3,\n INSET: 4,\n UNDERLINE: 5,\n};\n\nconst AnnotationActionEventType = {\n E: \"Mouse Enter\",\n X: \"Mouse Exit\",\n D: \"Mouse Down\",\n U: \"Mouse Up\",\n Fo: \"Focus\",\n Bl: \"Blur\",\n PO: \"PageOpen\",\n PC: \"PageClose\",\n PV: \"PageVisible\",\n PI: \"PageInvisible\",\n K: \"Keystroke\",\n F: \"Format\",\n V: \"Validate\",\n C: \"Calculate\",\n};\n\nconst DocumentActionEventType = {\n WC: \"WillClose\",\n WS: \"WillSave\",\n DS: \"DidSave\",\n WP: \"WillPrint\",\n DP: \"DidPrint\",\n};\n\nconst PageActionEventType = {\n O: \"PageOpen\",\n C: \"PageClose\",\n};\n\nconst VerbosityLevel = {\n ERRORS: 0,\n WARNINGS: 1,\n INFOS: 5,\n};\n\nconst CMapCompressionType = {\n NONE: 0,\n BINARY: 1,\n};\n\n// All the possible operations for an operator list.\nconst OPS = {\n // Intentionally start from 1 so it is easy to spot bad operators that will be\n // 0's.\n // PLEASE NOTE: We purposely keep any removed operators commented out, since\n // re-numbering the list would risk breaking third-party users.\n dependency: 1,\n setLineWidth: 2,\n setLineCap: 3,\n setLineJoin: 4,\n setMiterLimit: 5,\n setDash: 6,\n setRenderingIntent: 7,\n setFlatness: 8,\n setGState: 9,\n save: 10,\n restore: 11,\n transform: 12,\n moveTo: 13,\n lineTo: 14,\n curveTo: 15,\n curveTo2: 16,\n curveTo3: 17,\n closePath: 18,\n rectangle: 19,\n stroke: 20,\n closeStroke: 21,\n fill: 22,\n eoFill: 23,\n fillStroke: 24,\n eoFillStroke: 25,\n closeFillStroke: 26,\n closeEOFillStroke: 27,\n endPath: 28,\n clip: 29,\n eoClip: 30,\n beginText: 31,\n endText: 32,\n setCharSpacing: 33,\n setWordSpacing: 34,\n setHScale: 35,\n setLeading: 36,\n setFont: 37,\n setTextRenderingMode: 38,\n setTextRise: 39,\n moveText: 40,\n setLeadingMoveText: 41,\n setTextMatrix: 42,\n nextLine: 43,\n showText: 44,\n showSpacedText: 45,\n nextLineShowText: 46,\n nextLineSetSpacingShowText: 47,\n setCharWidth: 48,\n setCharWidthAndBounds: 49,\n setStrokeColorSpace: 50,\n setFillColorSpace: 51,\n setStrokeColor: 52,\n setStrokeColorN: 53,\n setFillColor: 54,\n setFillColorN: 55,\n setStrokeGray: 56,\n setFillGray: 57,\n setStrokeRGBColor: 58,\n setFillRGBColor: 59,\n setStrokeCMYKColor: 60,\n setFillCMYKColor: 61,\n shadingFill: 62,\n beginInlineImage: 63,\n beginImageData: 64,\n endInlineImage: 65,\n paintXObject: 66,\n markPoint: 67,\n markPointProps: 68,\n beginMarkedContent: 69,\n beginMarkedContentProps: 70,\n endMarkedContent: 71,\n beginCompat: 72,\n endCompat: 73,\n paintFormXObjectBegin: 74,\n paintFormXObjectEnd: 75,\n beginGroup: 76,\n endGroup: 77,\n // beginAnnotations: 78,\n // endAnnotations: 79,\n beginAnnotation: 80,\n endAnnotation: 81,\n // paintJpegXObject: 82,\n paintImageMaskXObject: 83,\n paintImageMaskXObjectGroup: 84,\n paintImageXObject: 85,\n paintInlineImageXObject: 86,\n paintInlineImageXObjectGroup: 87,\n paintImageXObjectRepeat: 88,\n paintImageMaskXObjectRepeat: 89,\n paintSolidColorImageMask: 90,\n constructPath: 91,\n};\n\nconst UNSUPPORTED_FEATURES =\n typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")\n ? {\n forms: \"forms\",\n javaScript: \"javaScript\",\n signatures: \"signatures\",\n smask: \"smask\",\n shadingPattern: \"shadingPattern\",\n errorTilingPattern: \"errorTilingPattern\",\n errorExtGState: \"errorExtGState\",\n errorXObject: \"errorXObject\",\n errorFontLoadType3: \"errorFontLoadType3\",\n errorFontState: \"errorFontState\",\n errorFontMissing: \"errorFontMissing\",\n errorFontTranslate: \"errorFontTranslate\",\n errorColorSpace: \"errorColorSpace\",\n errorOperatorList: \"errorOperatorList\",\n errorFontToUnicode: \"errorFontToUnicode\",\n errorFontLoadNative: \"errorFontLoadNative\",\n errorFontBuildPath: \"errorFontBuildPath\",\n errorFontGetPath: \"errorFontGetPath\",\n errorMarkedContent: \"errorMarkedContent\",\n errorContentSubStream: \"errorContentSubStream\",\n }\n : null;\n\nconst PasswordResponses = {\n NEED_PASSWORD: 1,\n INCORRECT_PASSWORD: 2,\n};\n\nlet verbosity = VerbosityLevel.WARNINGS;\n\nfunction setVerbosityLevel(level) {\n if (Number.isInteger(level)) {\n verbosity = level;\n }\n}\n\nfunction getVerbosityLevel() {\n return verbosity;\n}\n\n// A notice for devs. These are good for things that are helpful to devs, such\n// as warning that Workers were disabled, which is important to devs but not\n// end users.\nfunction info(msg) {\n if (verbosity >= VerbosityLevel.INFOS) {\n console.log(`Info: ${msg}`);\n }\n}\n\n// Non-fatal warnings.\nfunction warn(msg) {\n if (verbosity >= VerbosityLevel.WARNINGS) {\n console.log(`Warning: ${msg}`);\n }\n}\n\nfunction unreachable(msg) {\n throw new Error(msg);\n}\n\nfunction assert(cond, msg) {\n if (!cond) {\n unreachable(msg);\n }\n}\n\n// Checks if URLs use one of the allowed protocols, e.g. to avoid XSS.\nfunction _isValidProtocol(url) {\n if (!url) {\n return false;\n }\n switch (url.protocol) {\n case \"http:\":\n case \"https:\":\n case \"ftp:\":\n case \"mailto:\":\n case \"tel:\":\n return true;\n default:\n return false;\n }\n}\n\n/**\n * Attempts to create a valid absolute URL.\n *\n * @param {URL|string} url - An absolute, or relative, URL.\n * @param {URL|string} [baseUrl] - An absolute URL.\n * @param {Object} [options]\n * @returns Either a valid {URL}, or `null` otherwise.\n */\nfunction createValidAbsoluteUrl(url, baseUrl = null, options = null) {\n if (!url) {\n return null;\n }\n try {\n if (options && typeof url === \"string\") {\n // Let URLs beginning with \"www.\" default to using the \"http://\" protocol.\n if (options.addDefaultProtocol && url.startsWith(\"www.\")) {\n const dots = url.match(/\\./g);\n // Avoid accidentally matching a *relative* URL pointing to a file named\n // e.g. \"www.pdf\" or similar.\n if (dots && dots.length >= 2) {\n url = `http://${url}`;\n }\n }\n\n // According to ISO 32000-1:2008, section 12.6.4.7, URIs should be encoded\n // in 7-bit ASCII. Some bad PDFs use UTF-8 encoding; see bug 1122280.\n if (options.tryConvertEncoding) {\n try {\n url = stringToUTF8String(url);\n } catch (ex) {}\n }\n }\n\n const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);\n if (_isValidProtocol(absoluteUrl)) {\n return absoluteUrl;\n }\n } catch (ex) {\n /* `new URL()` will throw on incorrect data. */\n }\n return null;\n}\n\nfunction shadow(obj, prop, value, nonSerializable = false) {\n if (\n typeof PDFJSDev === \"undefined\" ||\n PDFJSDev.test(\"!PRODUCTION || TESTING\")\n ) {\n assert(\n prop in obj,\n `shadow: Property \"${prop && prop.toString()}\" not found in object.`\n );\n }\n Object.defineProperty(obj, prop, {\n value,\n enumerable: !nonSerializable,\n configurable: true,\n writable: false,\n });\n return value;\n}\n\n/**\n * @type {any}\n */\nconst BaseException = (function BaseExceptionClosure() {\n // eslint-disable-next-line no-shadow\n function BaseException(message, name) {\n if (this.constructor === BaseException) {\n unreachable(\"Cannot initialize BaseException.\");\n }\n this.message = message;\n this.name = name;\n }\n BaseException.prototype = new Error();\n BaseException.constructor = BaseException;\n\n return BaseException;\n})();\n\nclass PasswordException extends BaseException {\n constructor(msg, code) {\n super(msg, \"PasswordException\");\n this.code = code;\n }\n}\n\nclass UnknownErrorException extends BaseException {\n constructor(msg, details) {\n super(msg, \"UnknownErrorException\");\n this.details = details;\n }\n}\n\nclass InvalidPDFException extends BaseException {\n constructor(msg) {\n super(msg, \"InvalidPDFException\");\n }\n}\n\nclass MissingPDFException extends BaseException {\n constructor(msg) {\n super(msg, \"MissingPDFException\");\n }\n}\n\nclass UnexpectedResponseException extends BaseException {\n constructor(msg, status) {\n super(msg, \"UnexpectedResponseException\");\n this.status = status;\n }\n}\n\n/**\n * Error caused during parsing PDF data.\n */\nclass FormatError extends BaseException {\n constructor(msg) {\n super(msg, \"FormatError\");\n }\n}\n\n/**\n * Error used to indicate task cancellation.\n */\nclass AbortException extends BaseException {\n constructor(msg) {\n super(msg, \"AbortException\");\n }\n}\n\nfunction bytesToString(bytes) {\n if (\n typeof bytes !== \"object\" ||\n bytes === null ||\n bytes.length === undefined\n ) {\n unreachable(\"Invalid argument for bytesToString\");\n }\n const length = bytes.length;\n const MAX_ARGUMENT_COUNT = 8192;\n if (length < MAX_ARGUMENT_COUNT) {\n return String.fromCharCode.apply(null, bytes);\n }\n const strBuf = [];\n for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {\n const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);\n const chunk = bytes.subarray(i, chunkEnd);\n strBuf.push(String.fromCharCode.apply(null, chunk));\n }\n return strBuf.join(\"\");\n}\n\nfunction stringToBytes(str) {\n if (typeof str !== \"string\") {\n unreachable(\"Invalid argument for stringToBytes\");\n }\n const length = str.length;\n const bytes = new Uint8Array(length);\n for (let i = 0; i < length; ++i) {\n bytes[i] = str.charCodeAt(i) & 0xff;\n }\n return bytes;\n}\n\n/**\n * Gets length of the array (Array, Uint8Array, or string) in bytes.\n * @param {Array|Uint8Array|string} arr\n * @returns {number}\n */\n// eslint-disable-next-line consistent-return\nfunction arrayByteLength(arr) {\n if (arr.length !== undefined) {\n return arr.length;\n }\n if (arr.byteLength !== undefined) {\n return arr.byteLength;\n }\n unreachable(\"Invalid argument for arrayByteLength\");\n}\n\n/**\n * Combines array items (arrays) into single Uint8Array object.\n * @param {Array|Uint8Array|string>} arr - the array of the arrays\n * (Array, Uint8Array, or string).\n * @returns {Uint8Array}\n */\nfunction arraysToBytes(arr) {\n const length = arr.length;\n // Shortcut: if first and only item is Uint8Array, return it.\n if (length === 1 && arr[0] instanceof Uint8Array) {\n return arr[0];\n }\n let resultLength = 0;\n for (let i = 0; i < length; i++) {\n resultLength += arrayByteLength(arr[i]);\n }\n let pos = 0;\n const data = new Uint8Array(resultLength);\n for (let i = 0; i < length; i++) {\n let item = arr[i];\n if (!(item instanceof Uint8Array)) {\n if (typeof item === \"string\") {\n item = stringToBytes(item);\n } else {\n item = new Uint8Array(item);\n }\n }\n const itemLength = item.byteLength;\n data.set(item, pos);\n pos += itemLength;\n }\n return data;\n}\n\nfunction string32(value) {\n if (\n typeof PDFJSDev === \"undefined\" ||\n PDFJSDev.test(\"!PRODUCTION || TESTING\")\n ) {\n assert(\n typeof value === \"number\" && Math.abs(value) < 2 ** 32,\n `string32: Unexpected input \"${value}\".`\n );\n }\n return String.fromCharCode(\n (value >> 24) & 0xff,\n (value >> 16) & 0xff,\n (value >> 8) & 0xff,\n value & 0xff\n );\n}\n\nfunction objectSize(obj) {\n return Object.keys(obj).length;\n}\n\n// Ensure that the returned Object has a `null` prototype; hence why\n// `Object.fromEntries(...)` is not used.\nfunction objectFromMap(map) {\n const obj = Object.create(null);\n for (const [key, value] of map) {\n obj[key] = value;\n }\n return obj;\n}\n\n// Checks the endianness of the platform.\nfunction isLittleEndian() {\n const buffer8 = new Uint8Array(4);\n buffer8[0] = 1;\n const view32 = new Uint32Array(buffer8.buffer, 0, 1);\n return view32[0] === 1;\n}\n\n// Checks if it's possible to eval JS expressions.\nfunction isEvalSupported() {\n try {\n new Function(\"\"); // eslint-disable-line no-new, no-new-func\n return true;\n } catch (e) {\n return false;\n }\n}\n\nclass FeatureTest {\n static get isLittleEndian() {\n return shadow(this, \"isLittleEndian\", isLittleEndian());\n }\n\n static get isEvalSupported() {\n return shadow(this, \"isEvalSupported\", isEvalSupported());\n }\n\n static get isOffscreenCanvasSupported() {\n return shadow(\n this,\n \"isOffscreenCanvasSupported\",\n typeof OffscreenCanvas !== \"undefined\"\n );\n }\n\n static get platform() {\n if (\n (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) &&\n typeof navigator === \"undefined\"\n ) {\n return shadow(this, \"platform\", { isWin: false, isMac: false });\n }\n return shadow(this, \"platform\", {\n isWin: navigator.platform.includes(\"Win\"),\n isMac: navigator.platform.includes(\"Mac\"),\n });\n }\n}\n\nconst hexNumbers = [...Array(256).keys()].map(n =>\n n.toString(16).padStart(2, \"0\")\n);\n\nclass Util {\n static makeHexColor(r, g, b) {\n return `#${hexNumbers[r]}${hexNumbers[g]}${hexNumbers[b]}`;\n }\n\n // Apply a scaling matrix to some min/max values.\n // If a scaling factor is negative then min and max must be\n // swaped.\n static scaleMinMax(transform, minMax) {\n let temp;\n if (transform[0]) {\n if (transform[0] < 0) {\n temp = minMax[0];\n minMax[0] = minMax[1];\n minMax[1] = temp;\n }\n minMax[0] *= transform[0];\n minMax[1] *= transform[0];\n\n if (transform[3] < 0) {\n temp = minMax[2];\n minMax[2] = minMax[3];\n minMax[3] = temp;\n }\n minMax[2] *= transform[3];\n minMax[3] *= transform[3];\n } else {\n temp = minMax[0];\n minMax[0] = minMax[2];\n minMax[2] = temp;\n temp = minMax[1];\n minMax[1] = minMax[3];\n minMax[3] = temp;\n\n if (transform[1] < 0) {\n temp = minMax[2];\n minMax[2] = minMax[3];\n minMax[3] = temp;\n }\n minMax[2] *= transform[1];\n minMax[3] *= transform[1];\n\n if (transform[2] < 0) {\n temp = minMax[0];\n minMax[0] = minMax[1];\n minMax[1] = temp;\n }\n minMax[0] *= transform[2];\n minMax[1] *= transform[2];\n }\n minMax[0] += transform[4];\n minMax[1] += transform[4];\n minMax[2] += transform[5];\n minMax[3] += transform[5];\n }\n\n // Concatenates two transformation matrices together and returns the result.\n static transform(m1, m2) {\n return [\n m1[0] * m2[0] + m1[2] * m2[1],\n m1[1] * m2[0] + m1[3] * m2[1],\n m1[0] * m2[2] + m1[2] * m2[3],\n m1[1] * m2[2] + m1[3] * m2[3],\n m1[0] * m2[4] + m1[2] * m2[5] + m1[4],\n m1[1] * m2[4] + m1[3] * m2[5] + m1[5],\n ];\n }\n\n // For 2d affine transforms\n static applyTransform(p, m) {\n const xt = p[0] * m[0] + p[1] * m[2] + m[4];\n const yt = p[0] * m[1] + p[1] * m[3] + m[5];\n return [xt, yt];\n }\n\n static applyInverseTransform(p, m) {\n const d = m[0] * m[3] - m[1] * m[2];\n const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;\n const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;\n return [xt, yt];\n }\n\n // Applies the transform to the rectangle and finds the minimum axially\n // aligned bounding box.\n static getAxialAlignedBoundingBox(r, m) {\n const p1 = Util.applyTransform(r, m);\n const p2 = Util.applyTransform(r.slice(2, 4), m);\n const p3 = Util.applyTransform([r[0], r[3]], m);\n const p4 = Util.applyTransform([r[2], r[1]], m);\n return [\n Math.min(p1[0], p2[0], p3[0], p4[0]),\n Math.min(p1[1], p2[1], p3[1], p4[1]),\n Math.max(p1[0], p2[0], p3[0], p4[0]),\n Math.max(p1[1], p2[1], p3[1], p4[1]),\n ];\n }\n\n static inverseTransform(m) {\n const d = m[0] * m[3] - m[1] * m[2];\n return [\n m[3] / d,\n -m[1] / d,\n -m[2] / d,\n m[0] / d,\n (m[2] * m[5] - m[4] * m[3]) / d,\n (m[4] * m[1] - m[5] * m[0]) / d,\n ];\n }\n\n // This calculation uses Singular Value Decomposition.\n // The SVD can be represented with formula A = USV. We are interested in the\n // matrix S here because it represents the scale values.\n static singularValueDecompose2dScale(m) {\n const transpose = [m[0], m[2], m[1], m[3]];\n\n // Multiply matrix m with its transpose.\n const a = m[0] * transpose[0] + m[1] * transpose[2];\n const b = m[0] * transpose[1] + m[1] * transpose[3];\n const c = m[2] * transpose[0] + m[3] * transpose[2];\n const d = m[2] * transpose[1] + m[3] * transpose[3];\n\n // Solve the second degree polynomial to get roots.\n const first = (a + d) / 2;\n const second = Math.sqrt((a + d) ** 2 - 4 * (a * d - c * b)) / 2;\n const sx = first + second || 1;\n const sy = first - second || 1;\n\n // Scale values are the square roots of the eigenvalues.\n return [Math.sqrt(sx), Math.sqrt(sy)];\n }\n\n // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)\n // For coordinate systems whose origin lies in the bottom-left, this\n // means normalization to (BL,TR) ordering. For systems with origin in the\n // top-left, this means (TL,BR) ordering.\n static normalizeRect(rect) {\n const r = rect.slice(0); // clone rect\n if (rect[0] > rect[2]) {\n r[0] = rect[2];\n r[2] = rect[0];\n }\n if (rect[1] > rect[3]) {\n r[1] = rect[3];\n r[3] = rect[1];\n }\n return r;\n }\n\n // Returns a rectangle [x1, y1, x2, y2] corresponding to the\n // intersection of rect1 and rect2. If no intersection, returns 'null'\n // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]\n static intersect(rect1, rect2) {\n const xLow = Math.max(\n Math.min(rect1[0], rect1[2]),\n Math.min(rect2[0], rect2[2])\n );\n const xHigh = Math.min(\n Math.max(rect1[0], rect1[2]),\n Math.max(rect2[0], rect2[2])\n );\n if (xLow > xHigh) {\n return null;\n }\n const yLow = Math.max(\n Math.min(rect1[1], rect1[3]),\n Math.min(rect2[1], rect2[3])\n );\n const yHigh = Math.min(\n Math.max(rect1[1], rect1[3]),\n Math.max(rect2[1], rect2[3])\n );\n if (yLow > yHigh) {\n return null;\n }\n\n return [xLow, yLow, xHigh, yHigh];\n }\n\n // From https://github.com/adobe-webplatform/Snap.svg/blob/b365287722a72526000ac4bfcf0ce4cac2faa015/src/path.js#L852\n static bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3) {\n const tvalues = [],\n bounds = [[], []];\n let a, b, c, t, t1, t2, b2ac, sqrtb2ac;\n for (let i = 0; i < 2; ++i) {\n if (i === 0) {\n b = 6 * x0 - 12 * x1 + 6 * x2;\n a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;\n c = 3 * x1 - 3 * x0;\n } else {\n b = 6 * y0 - 12 * y1 + 6 * y2;\n a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;\n c = 3 * y1 - 3 * y0;\n }\n if (Math.abs(a) < 1e-12) {\n if (Math.abs(b) < 1e-12) {\n continue;\n }\n t = -c / b;\n if (0 < t && t < 1) {\n tvalues.push(t);\n }\n continue;\n }\n b2ac = b * b - 4 * c * a;\n sqrtb2ac = Math.sqrt(b2ac);\n if (b2ac < 0) {\n continue;\n }\n t1 = (-b + sqrtb2ac) / (2 * a);\n if (0 < t1 && t1 < 1) {\n tvalues.push(t1);\n }\n t2 = (-b - sqrtb2ac) / (2 * a);\n if (0 < t2 && t2 < 1) {\n tvalues.push(t2);\n }\n }\n\n let j = tvalues.length,\n mt;\n const jlen = j;\n while (j--) {\n t = tvalues[j];\n mt = 1 - t;\n bounds[0][j] =\n mt * mt * mt * x0 +\n 3 * mt * mt * t * x1 +\n 3 * mt * t * t * x2 +\n t * t * t * x3;\n bounds[1][j] =\n mt * mt * mt * y0 +\n 3 * mt * mt * t * y1 +\n 3 * mt * t * t * y2 +\n t * t * t * y3;\n }\n\n bounds[0][jlen] = x0;\n bounds[1][jlen] = y0;\n bounds[0][jlen + 1] = x3;\n bounds[1][jlen + 1] = y3;\n bounds[0].length = bounds[1].length = jlen + 2;\n\n return [\n Math.min(...bounds[0]),\n Math.min(...bounds[1]),\n Math.max(...bounds[0]),\n Math.max(...bounds[1]),\n ];\n }\n}\n\nconst PDFStringTranslateTable = [\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2d8,\n 0x2c7, 0x2c6, 0x2d9, 0x2dd, 0x2db, 0x2da, 0x2dc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192,\n 0x2044, 0x2039, 0x203a, 0x2212, 0x2030, 0x201e, 0x201c, 0x201d, 0x2018,\n 0x2019, 0x201a, 0x2122, 0xfb01, 0xfb02, 0x141, 0x152, 0x160, 0x178, 0x17d,\n 0x131, 0x142, 0x153, 0x161, 0x17e, 0, 0x20ac,\n];\n\nfunction stringToPDFString(str) {\n if (str[0] >= \"\\xEF\") {\n let encoding;\n if (str[0] === \"\\xFE\" && str[1] === \"\\xFF\") {\n encoding = \"utf-16be\";\n } else if (str[0] === \"\\xFF\" && str[1] === \"\\xFE\") {\n encoding = \"utf-16le\";\n } else if (str[0] === \"\\xEF\" && str[1] === \"\\xBB\" && str[2] === \"\\xBF\") {\n encoding = \"utf-8\";\n }\n\n if (encoding) {\n try {\n const decoder = new TextDecoder(encoding, { fatal: true });\n const buffer = stringToBytes(str);\n return decoder.decode(buffer);\n } catch (ex) {\n warn(`stringToPDFString: \"${ex}\".`);\n }\n }\n }\n // ISO Latin 1\n const strBuf = [];\n for (let i = 0, ii = str.length; i < ii; i++) {\n const code = PDFStringTranslateTable[str.charCodeAt(i)];\n strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));\n }\n return strBuf.join(\"\");\n}\n\nfunction stringToUTF8String(str) {\n return decodeURIComponent(escape(str));\n}\n\nfunction utf8StringToString(str) {\n return unescape(encodeURIComponent(str));\n}\n\nfunction isArrayBuffer(v) {\n return typeof v === \"object\" && v !== null && v.byteLength !== undefined;\n}\n\nfunction isArrayEqual(arr1, arr2) {\n if (arr1.length !== arr2.length) {\n return false;\n }\n for (let i = 0, ii = arr1.length; i < ii; i++) {\n if (arr1[i] !== arr2[i]) {\n return false;\n }\n }\n return true;\n}\n\nfunction getModificationDate(date = new Date()) {\n const buffer = [\n date.getUTCFullYear().toString(),\n (date.getUTCMonth() + 1).toString().padStart(2, \"0\"),\n date.getUTCDate().toString().padStart(2, \"0\"),\n date.getUTCHours().toString().padStart(2, \"0\"),\n date.getUTCMinutes().toString().padStart(2, \"0\"),\n date.getUTCSeconds().toString().padStart(2, \"0\"),\n ];\n\n return buffer.join(\"\");\n}\n\n/**\n * Promise Capability object.\n *\n * @typedef {Object} PromiseCapability\n * @property {Promise} promise - A Promise object.\n * @property {boolean} settled - If the Promise has been fulfilled/rejected.\n * @property {function} resolve - Fulfills the Promise.\n * @property {function} reject - Rejects the Promise.\n */\n\n/**\n * Creates a promise capability object.\n * @alias createPromiseCapability\n *\n * @returns {PromiseCapability}\n */\nfunction createPromiseCapability() {\n const capability = Object.create(null);\n let isSettled = false;\n\n Object.defineProperty(capability, \"settled\", {\n get() {\n return isSettled;\n },\n });\n capability.promise = new Promise(function (resolve, reject) {\n capability.resolve = function (data) {\n isSettled = true;\n resolve(data);\n };\n capability.reject = function (reason) {\n isSettled = true;\n reject(reason);\n };\n });\n return capability;\n}\n\nexport {\n AbortException,\n AnnotationActionEventType,\n AnnotationBorderStyleType,\n AnnotationEditorParamsType,\n AnnotationEditorPrefix,\n AnnotationEditorType,\n AnnotationFieldFlag,\n AnnotationFlag,\n AnnotationMarkedState,\n AnnotationMode,\n AnnotationReplyType,\n AnnotationReviewState,\n AnnotationStateModelType,\n AnnotationType,\n arrayByteLength,\n arraysToBytes,\n assert,\n BaseException,\n BASELINE_FACTOR,\n bytesToString,\n CMapCompressionType,\n createPromiseCapability,\n createValidAbsoluteUrl,\n DocumentActionEventType,\n FeatureTest,\n FONT_IDENTITY_MATRIX,\n FormatError,\n getModificationDate,\n getVerbosityLevel,\n IDENTITY_MATRIX,\n ImageKind,\n info,\n InvalidPDFException,\n isArrayBuffer,\n isArrayEqual,\n LINE_DESCENT_FACTOR,\n LINE_FACTOR,\n MissingPDFException,\n objectFromMap,\n objectSize,\n OPS,\n PageActionEventType,\n PasswordException,\n PasswordResponses,\n PermissionFlag,\n RenderingIntentFlag,\n setVerbosityLevel,\n shadow,\n string32,\n stringToBytes,\n stringToPDFString,\n stringToUTF8String,\n TextRenderingMode,\n UnexpectedResponseException,\n UnknownErrorException,\n unreachable,\n UNSUPPORTED_FEATURES,\n utf8StringToString,\n Util,\n VerbosityLevel,\n warn,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * @module pdfjsLib\n */\n\nimport {\n AbortException,\n AnnotationMode,\n assert,\n createPromiseCapability,\n getVerbosityLevel,\n info,\n InvalidPDFException,\n isArrayBuffer,\n MissingPDFException,\n PasswordException,\n RenderingIntentFlag,\n setVerbosityLevel,\n shadow,\n stringToBytes,\n UnexpectedResponseException,\n UnknownErrorException,\n unreachable,\n warn,\n} from \"../shared/util.js\";\nimport {\n AnnotationStorage,\n PrintAnnotationStorage,\n} from \"./annotation_storage.js\";\nimport {\n deprecated,\n DOMCanvasFactory,\n DOMCMapReaderFactory,\n DOMStandardFontDataFactory,\n isDataScheme,\n isValidFetchUrl,\n loadScript,\n PageViewport,\n RenderingCancelledException,\n StatTimer,\n} from \"./display_utils.js\";\nimport { FontFaceObject, FontLoader } from \"./font_loader.js\";\nimport { CanvasGraphics } from \"./canvas.js\";\nimport { GlobalWorkerOptions } from \"./worker_options.js\";\nimport { isNodeJS } from \"../shared/is_node.js\";\nimport { MessageHandler } from \"../shared/message_handler.js\";\nimport { Metadata } from \"./metadata.js\";\nimport { OptionalContentConfig } from \"./optional_content_config.js\";\nimport { PDFDataTransportStream } from \"./transport_stream.js\";\nimport { XfaText } from \"./xfa_text.js\";\n\nconst DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536\nconst RENDERING_CANCELLED_TIMEOUT = 100; // ms\n\nlet DefaultCanvasFactory = DOMCanvasFactory;\nlet DefaultCMapReaderFactory = DOMCMapReaderFactory;\nlet DefaultStandardFontDataFactory = DOMStandardFontDataFactory;\n\nif (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"GENERIC\") && isNodeJS) {\n const {\n NodeCanvasFactory,\n NodeCMapReaderFactory,\n NodeStandardFontDataFactory,\n } = require(\"./node_utils.js\");\n\n DefaultCanvasFactory = NodeCanvasFactory;\n DefaultCMapReaderFactory = NodeCMapReaderFactory;\n DefaultStandardFontDataFactory = NodeStandardFontDataFactory;\n}\n\nlet createPDFNetworkStream;\nif (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"PRODUCTION\")) {\n const streamsPromise = Promise.all([\n import(\"./network.js\"),\n import(\"./fetch_stream.js\"),\n ]);\n\n createPDFNetworkStream = async params => {\n const [{ PDFNetworkStream }, { PDFFetchStream }] = await streamsPromise;\n\n return isValidFetchUrl(params.url)\n ? new PDFFetchStream(params)\n : new PDFNetworkStream(params);\n };\n} else if (PDFJSDev.test(\"GENERIC || CHROME\")) {\n if (PDFJSDev.test(\"GENERIC\") && isNodeJS) {\n const { PDFNodeStream } = require(\"./node_stream.js\");\n\n createPDFNetworkStream = params => {\n return new PDFNodeStream(params);\n };\n } else {\n const { PDFNetworkStream } = require(\"./network.js\");\n const { PDFFetchStream } = require(\"./fetch_stream.js\");\n\n createPDFNetworkStream = params => {\n return isValidFetchUrl(params.url)\n ? new PDFFetchStream(params)\n : new PDFNetworkStream(params);\n };\n }\n}\n\n/**\n * @typedef { Int8Array | Uint8Array | Uint8ClampedArray |\n * Int16Array | Uint16Array |\n * Int32Array | Uint32Array | Float32Array |\n * Float64Array\n * } TypedArray\n */\n\n/**\n * @typedef { TypedArray | ArrayBuffer | Array | string } BinaryData\n */\n\n/**\n * @typedef {Object} RefProxy\n * @property {number} num\n * @property {number} gen\n */\n\n/**\n * Document initialization / loading parameters object.\n *\n * @typedef {Object} DocumentInitParameters\n * @property {string | URL} [url] - The URL of the PDF.\n * @property {BinaryData} [data] - Binary PDF data.\n * Use TypedArrays (Uint8Array) to improve the memory usage. If PDF data is\n * BASE64-encoded, use `atob()` to convert it to a binary string first.\n *\n * NOTE: If TypedArrays are used they will generally be transferred to the\n * worker-thread. This will help reduce main-thread memory usage, however\n * it will take ownership of the TypedArrays.\n * @property {Object} [httpHeaders] - Basic authentication headers.\n * @property {boolean} [withCredentials] - Indicates whether or not\n * cross-site Access-Control requests should be made using credentials such\n * as cookies or authorization headers. The default is `false`.\n * @property {string} [password] - For decrypting password-protected PDFs.\n * @property {number} [length] - The PDF file length. It's used for progress\n * reports and range requests operations.\n * @property {PDFDataRangeTransport} [range] - Allows for using a custom range\n * transport implementation.\n * @property {number} [rangeChunkSize] - Specify maximum number of bytes fetched\n * per range request. The default value is {@link DEFAULT_RANGE_CHUNK_SIZE}.\n * @property {PDFWorker} [worker] - The worker that will be used for loading and\n * parsing the PDF data.\n * @property {number} [verbosity] - Controls the logging level; the constants\n * from {@link VerbosityLevel} should be used.\n * @property {string} [docBaseUrl] - The base URL of the document, used when\n * attempting to recover valid absolute URLs for annotations, and outline\n * items, that (incorrectly) only specify relative URLs.\n * @property {string} [cMapUrl] - The URL where the predefined Adobe CMaps are\n * located. Include the trailing slash.\n * @property {boolean} [cMapPacked] - Specifies if the Adobe CMaps are binary\n * packed or not.\n * @property {Object} [CMapReaderFactory] - The factory that will be used when\n * reading built-in CMap files. Providing a custom factory is useful for\n * environments without Fetch API or `XMLHttpRequest` support, such as\n * Node.js. The default value is {DOMCMapReaderFactory}.\n * @property {boolean} [useSystemFonts] - When `true`, fonts that aren't\n * embedded in the PDF document will fallback to a system font.\n * The default value is `true` in web environments and `false` in Node.js;\n * unless `disableFontFace === true` in which case this defaults to `false`\n * regardless of the environment (to prevent completely broken fonts).\n * @property {string} [standardFontDataUrl] - The URL where the standard font\n * files are located. Include the trailing slash.\n * @property {Object} [StandardFontDataFactory] - The factory that will be used\n * when reading the standard font files. Providing a custom factory is useful\n * for environments without Fetch API or `XMLHttpRequest` support, such as\n * Node.js. The default value is {DOMStandardFontDataFactory}.\n * @property {boolean} [useWorkerFetch] - Enable using the Fetch API in the\n * worker-thread when reading CMap and standard font files. When `true`,\n * the `CMapReaderFactory` and `StandardFontDataFactory` options are ignored.\n * The default value is `true` in web environments and `false` in Node.js.\n * @property {boolean} [stopAtErrors] - Reject certain promises, e.g.\n * `getOperatorList`, `getTextContent`, and `RenderTask`, when the associated\n * PDF data cannot be successfully parsed, instead of attempting to recover\n * whatever possible of the data. The default value is `false`.\n * @property {number} [maxImageSize] - The maximum allowed image size in total\n * pixels, i.e. width * height. Images above this value will not be rendered.\n * Use -1 for no limit, which is also the default value.\n * @property {boolean} [isEvalSupported] - Determines if we can evaluate strings\n * as JavaScript. Primarily used to improve performance of font rendering, and\n * when parsing PDF functions. The default value is `true`.\n * @property {boolean} [isOffscreenCanvasSupported] - Determines if we can use\n * `OffscreenCanvas` in the worker. Primarily used to improve performance of\n * image conversion/rendering.\n * The default value is `true` in web environments and `false` in Node.js.\n * @property {boolean} [disableFontFace] - By default fonts are converted to\n * OpenType fonts and loaded via the Font Loading API or `@font-face` rules.\n * If disabled, fonts will be rendered using a built-in font renderer that\n * constructs the glyphs with primitive path commands.\n * The default value is `false` in web environments and `true` in Node.js.\n * @property {boolean} [fontExtraProperties] - Include additional properties,\n * which are unused during rendering of PDF documents, when exporting the\n * parsed font data from the worker-thread. This may be useful for debugging\n * purposes (and backwards compatibility), but note that it will lead to\n * increased memory usage. The default value is `false`.\n * @property {boolean} [enableXfa] - Render Xfa forms if any.\n * The default value is `false`.\n * @property {HTMLDocument} [ownerDocument] - Specify an explicit document\n * context to create elements with and to load resources, such as fonts,\n * into. Defaults to the current document.\n * @property {boolean} [disableRange] - Disable range request loading of PDF\n * files. When enabled, and if the server supports partial content requests,\n * then the PDF will be fetched in chunks. The default value is `false`.\n * @property {boolean} [disableStream] - Disable streaming of PDF file data.\n * By default PDF.js attempts to load PDF files in chunks. The default value\n * is `false`.\n * @property {boolean} [disableAutoFetch] - Disable pre-fetching of PDF file\n * data. When range requests are enabled PDF.js will automatically keep\n * fetching more data even if it isn't needed to display the current page.\n * The default value is `false`.\n *\n * NOTE: It is also necessary to disable streaming, see above, in order for\n * disabling of pre-fetching to work correctly.\n * @property {boolean} [pdfBug] - Enables special hooks for debugging PDF.js\n * (see `web/debugger.js`). The default value is `false`.\n */\n\n/**\n * This is the main entry point for loading a PDF and interacting with it.\n *\n * NOTE: If a URL is used to fetch the PDF data a standard Fetch API call (or\n * XHR as fallback) is used, which means it must follow same origin rules,\n * e.g. no cross-domain requests without CORS.\n *\n * @param {string | URL | TypedArray | ArrayBuffer | DocumentInitParameters}\n * src - Can be a URL where a PDF file is located, a typed array (Uint8Array)\n * already populated with data, or a parameter object.\n * @returns {PDFDocumentLoadingTask}\n */\nfunction getDocument(src) {\n if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n if (typeof src === \"string\" || src instanceof URL) {\n src = { url: src };\n } else if (isArrayBuffer(src)) {\n src = { data: src };\n } else if (src instanceof PDFDataRangeTransport) {\n deprecated(\n \"`PDFDataRangeTransport`-instance, \" +\n \"please use a parameter object with `range`-property instead.\"\n );\n src = { range: src };\n } else {\n if (typeof src !== \"object\") {\n throw new Error(\n \"Invalid parameter in getDocument, \" +\n \"need either string, URL, TypedArray, or parameter object.\"\n );\n }\n }\n } else if (typeof src !== \"object\") {\n throw new Error(\"Invalid parameter in getDocument, need parameter object.\");\n }\n if (!src.url && !src.data && !src.range) {\n throw new Error(\n \"Invalid parameter object: need either .data, .range or .url\"\n );\n }\n const task = new PDFDocumentLoadingTask();\n\n const params = Object.create(null);\n let rangeTransport = null,\n worker = null;\n\n for (const key in src) {\n const val = src[key];\n\n switch (key) {\n case \"url\":\n if (val instanceof URL) {\n params[key] = val.href;\n continue;\n }\n try {\n // The full path is required in the 'url' field.\n params[key] = new URL(val, window.location).href;\n continue;\n } catch (ex) {\n if (\n typeof PDFJSDev !== \"undefined\" &&\n PDFJSDev.test(\"GENERIC\") &&\n isNodeJS &&\n typeof val === \"string\"\n ) {\n break; // Use the url as-is in Node.js environments.\n }\n }\n throw new Error(\n \"Invalid PDF url data: \" +\n \"either string or URL-object is expected in the url property.\"\n );\n case \"range\":\n rangeTransport = val;\n continue;\n case \"worker\":\n worker = val;\n continue;\n case \"data\":\n // Converting string or array-like data to Uint8Array.\n if (\n typeof PDFJSDev !== \"undefined\" &&\n PDFJSDev.test(\"GENERIC\") &&\n isNodeJS &&\n typeof Buffer !== \"undefined\" && // eslint-disable-line no-undef\n val instanceof Buffer // eslint-disable-line no-undef\n ) {\n params[key] = new Uint8Array(val);\n } else if (\n val instanceof Uint8Array &&\n val.byteLength === val.buffer.byteLength\n ) {\n // Use the data as-is when it's already a Uint8Array that completely\n // \"utilizes\" its underlying ArrayBuffer, to prevent any possible\n // issues when transferring it to the worker-thread.\n break;\n } else if (typeof val === \"string\") {\n params[key] = stringToBytes(val);\n } else if (\n (typeof val === \"object\" && val !== null && !isNaN(val.length)) ||\n isArrayBuffer(val)\n ) {\n params[key] = new Uint8Array(val);\n } else {\n throw new Error(\n \"Invalid PDF binary data: either TypedArray, \" +\n \"string, or array-like object is expected in the data property.\"\n );\n }\n continue;\n }\n params[key] = val;\n }\n\n params.CMapReaderFactory =\n params.CMapReaderFactory || DefaultCMapReaderFactory;\n params.StandardFontDataFactory =\n params.StandardFontDataFactory || DefaultStandardFontDataFactory;\n params.ignoreErrors = params.stopAtErrors !== true;\n params.fontExtraProperties = params.fontExtraProperties === true;\n params.pdfBug = params.pdfBug === true;\n params.enableXfa = params.enableXfa === true;\n\n if (!Number.isInteger(params.rangeChunkSize) || params.rangeChunkSize < 1) {\n params.rangeChunkSize = DEFAULT_RANGE_CHUNK_SIZE;\n }\n if (\n typeof params.docBaseUrl !== \"string\" ||\n isDataScheme(params.docBaseUrl)\n ) {\n // Ignore \"data:\"-URLs, since they can't be used to recover valid absolute\n // URLs anyway. We want to avoid sending them to the worker-thread, since\n // they contain the *entire* PDF document and can thus be arbitrarily long.\n params.docBaseUrl = null;\n }\n if (!Number.isInteger(params.maxImageSize) || params.maxImageSize < -1) {\n params.maxImageSize = -1;\n }\n if (typeof params.cMapUrl !== \"string\") {\n params.cMapUrl = null;\n }\n if (typeof params.standardFontDataUrl !== \"string\") {\n params.standardFontDataUrl = null;\n }\n if (typeof params.useWorkerFetch !== \"boolean\") {\n params.useWorkerFetch =\n (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) ||\n (params.CMapReaderFactory === DOMCMapReaderFactory &&\n params.StandardFontDataFactory === DOMStandardFontDataFactory &&\n isValidFetchUrl(params.cMapUrl, document.baseURI) &&\n isValidFetchUrl(params.standardFontDataUrl, document.baseURI));\n }\n if (typeof params.isEvalSupported !== \"boolean\") {\n params.isEvalSupported = true;\n }\n if (typeof params.isOffscreenCanvasSupported !== \"boolean\") {\n params.isOffscreenCanvasSupported = !isNodeJS;\n }\n if (typeof params.disableFontFace !== \"boolean\") {\n params.disableFontFace = isNodeJS;\n }\n if (typeof params.useSystemFonts !== \"boolean\") {\n params.useSystemFonts = !isNodeJS && !params.disableFontFace;\n }\n if (\n typeof params.ownerDocument !== \"object\" ||\n params.ownerDocument === null\n ) {\n params.ownerDocument = globalThis.document;\n }\n\n if (typeof params.disableRange !== \"boolean\") {\n params.disableRange = false;\n }\n if (typeof params.disableStream !== \"boolean\") {\n params.disableStream = false;\n }\n if (typeof params.disableAutoFetch !== \"boolean\") {\n params.disableAutoFetch = false;\n }\n\n // Set the main-thread verbosity level.\n setVerbosityLevel(params.verbosity);\n\n if (!worker) {\n const workerParams = {\n verbosity: params.verbosity,\n port: GlobalWorkerOptions.workerPort,\n };\n // Worker was not provided -- creating and owning our own. If message port\n // is specified in global worker options, using it.\n worker = workerParams.port\n ? PDFWorker.fromPort(workerParams)\n : new PDFWorker(workerParams);\n task._worker = worker;\n }\n const docId = task.docId;\n worker.promise\n .then(function () {\n if (task.destroyed) {\n throw new Error(\"Loading aborted\");\n }\n\n const workerIdPromise = _fetchDocument(\n worker,\n params,\n rangeTransport,\n docId\n );\n const networkStreamPromise = new Promise(function (resolve) {\n let networkStream;\n if (rangeTransport) {\n networkStream = new PDFDataTransportStream(\n {\n length: params.length,\n initialData: params.initialData,\n progressiveDone: params.progressiveDone,\n contentDispositionFilename: params.contentDispositionFilename,\n disableRange: params.disableRange,\n disableStream: params.disableStream,\n },\n rangeTransport\n );\n } else if (!params.data) {\n if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n throw new Error(\"Not implemented: createPDFNetworkStream\");\n }\n networkStream = createPDFNetworkStream({\n url: params.url,\n length: params.length,\n httpHeaders: params.httpHeaders,\n withCredentials: params.withCredentials,\n rangeChunkSize: params.rangeChunkSize,\n disableRange: params.disableRange,\n disableStream: params.disableStream,\n });\n }\n resolve(networkStream);\n });\n\n return Promise.all([workerIdPromise, networkStreamPromise]).then(\n function ([workerId, networkStream]) {\n if (task.destroyed) {\n throw new Error(\"Loading aborted\");\n }\n\n const messageHandler = new MessageHandler(\n docId,\n workerId,\n worker.port\n );\n const transport = new WorkerTransport(\n messageHandler,\n task,\n networkStream,\n params\n );\n task._transport = transport;\n messageHandler.send(\"Ready\", null);\n }\n );\n })\n .catch(task._capability.reject);\n\n return task;\n}\n\n/**\n * Starts fetching of specified PDF document/data.\n *\n * @param {PDFWorker} worker\n * @param {Object} source\n * @param {PDFDataRangeTransport} pdfDataRangeTransport\n * @param {string} docId - Unique document ID, used in `MessageHandler`.\n * @returns {Promise} A promise that is resolved when the worker ID of\n * the `MessageHandler` is known.\n * @private\n */\nasync function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {\n if (worker.destroyed) {\n throw new Error(\"Worker was destroyed\");\n }\n\n if (pdfDataRangeTransport) {\n source.length = pdfDataRangeTransport.length;\n source.initialData = pdfDataRangeTransport.initialData;\n source.progressiveDone = pdfDataRangeTransport.progressiveDone;\n source.contentDispositionFilename =\n pdfDataRangeTransport.contentDispositionFilename;\n }\n const transfers = source.data ? [source.data.buffer] : null;\n\n const workerId = await worker.messageHandler.sendWithPromise(\n \"GetDocRequest\",\n // Only send the required properties, and *not* the entire `source` object.\n {\n docId,\n apiVersion:\n typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"TESTING\")\n ? PDFJSDev.eval(\"BUNDLE_VERSION\")\n : null,\n data: source.data,\n password: source.password,\n disableAutoFetch: source.disableAutoFetch,\n rangeChunkSize: source.rangeChunkSize,\n length: source.length,\n docBaseUrl: source.docBaseUrl,\n enableXfa: source.enableXfa,\n evaluatorOptions: {\n maxImageSize: source.maxImageSize,\n disableFontFace: source.disableFontFace,\n ignoreErrors: source.ignoreErrors,\n isEvalSupported: source.isEvalSupported,\n isOffscreenCanvasSupported: source.isOffscreenCanvasSupported,\n fontExtraProperties: source.fontExtraProperties,\n useSystemFonts: source.useSystemFonts,\n cMapUrl: source.useWorkerFetch ? source.cMapUrl : null,\n standardFontDataUrl: source.useWorkerFetch\n ? source.standardFontDataUrl\n : null,\n },\n },\n transfers\n );\n\n if (worker.destroyed) {\n throw new Error(\"Worker was destroyed\");\n }\n return workerId;\n}\n\n/**\n * @typedef {Object} OnProgressParameters\n * @property {number} loaded - Currently loaded number of bytes.\n * @property {number} total - Total number of bytes in the PDF file.\n */\n\n/**\n * The loading task controls the operations required to load a PDF document\n * (such as network requests) and provides a way to listen for completion,\n * after which individual pages can be rendered.\n */\nclass PDFDocumentLoadingTask {\n static #docId = 0;\n\n #onUnsupportedFeature = null;\n\n constructor() {\n this._capability = createPromiseCapability();\n this._transport = null;\n this._worker = null;\n\n /**\n * Unique identifier for the document loading task.\n * @type {string}\n */\n this.docId = `d${PDFDocumentLoadingTask.#docId++}`;\n\n /**\n * Whether the loading task is destroyed or not.\n * @type {boolean}\n */\n this.destroyed = false;\n\n /**\n * Callback to request a password if a wrong or no password was provided.\n * The callback receives two parameters: a function that should be called\n * with the new password, and a reason (see {@link PasswordResponses}).\n * @type {function}\n */\n this.onPassword = null;\n\n /**\n * Callback to be able to monitor the loading progress of the PDF file\n * (necessary to implement e.g. a loading bar).\n * The callback receives an {@link OnProgressParameters} argument.\n * @type {function}\n */\n this.onProgress = null;\n }\n\n /**\n * @type {function | null} The current callback used with unsupported\n * features.\n */\n get onUnsupportedFeature() {\n return this.#onUnsupportedFeature;\n }\n\n /**\n * Callback for when an unsupported feature is used in the PDF document.\n * The callback receives an {@link UNSUPPORTED_FEATURES} argument.\n * @type {function}\n */\n set onUnsupportedFeature(callback) {\n if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n deprecated(\n \"The PDFDocumentLoadingTask onUnsupportedFeature property will be removed in the future.\"\n );\n this.#onUnsupportedFeature = callback;\n }\n }\n\n /**\n * Promise for document loading task completion.\n * @type {Promise}\n */\n get promise() {\n return this._capability.promise;\n }\n\n /**\n * Abort all network requests and destroy the worker.\n * @returns {Promise} A promise that is resolved when destruction is\n * completed.\n */\n async destroy() {\n this.destroyed = true;\n await this._transport?.destroy();\n\n this._transport = null;\n if (this._worker) {\n this._worker.destroy();\n this._worker = null;\n }\n }\n}\n\n/**\n * Abstract class to support range requests file loading.\n *\n * NOTE: The TypedArrays passed to the constructor and relevant methods below\n * will generally be transferred to the worker-thread. This will help reduce\n * main-thread memory usage, however it will take ownership of the TypedArrays.\n */\nclass PDFDataRangeTransport {\n /**\n * @param {number} length\n * @param {Uint8Array|null} initialData\n * @param {boolean} [progressiveDone]\n * @param {string} [contentDispositionFilename]\n */\n constructor(\n length,\n initialData,\n progressiveDone = false,\n contentDispositionFilename = null\n ) {\n this.length = length;\n this.initialData = initialData;\n this.progressiveDone = progressiveDone;\n this.contentDispositionFilename = contentDispositionFilename;\n\n this._rangeListeners = [];\n this._progressListeners = [];\n this._progressiveReadListeners = [];\n this._progressiveDoneListeners = [];\n this._readyCapability = createPromiseCapability();\n }\n\n /**\n * @param {function} listener\n */\n addRangeListener(listener) {\n this._rangeListeners.push(listener);\n }\n\n /**\n * @param {function} listener\n */\n addProgressListener(listener) {\n this._progressListeners.push(listener);\n }\n\n /**\n * @param {function} listener\n */\n addProgressiveReadListener(listener) {\n this._progressiveReadListeners.push(listener);\n }\n\n /**\n * @param {function} listener\n */\n addProgressiveDoneListener(listener) {\n this._progressiveDoneListeners.push(listener);\n }\n\n /**\n * @param {number} begin\n * @param {Uint8Array|null} chunk\n */\n onDataRange(begin, chunk) {\n for (const listener of this._rangeListeners) {\n listener(begin, chunk);\n }\n }\n\n /**\n * @param {number} loaded\n * @param {number|undefined} total\n */\n onDataProgress(loaded, total) {\n this._readyCapability.promise.then(() => {\n for (const listener of this._progressListeners) {\n listener(loaded, total);\n }\n });\n }\n\n /**\n * @param {Uint8Array|null} chunk\n */\n onDataProgressiveRead(chunk) {\n this._readyCapability.promise.then(() => {\n for (const listener of this._progressiveReadListeners) {\n listener(chunk);\n }\n });\n }\n\n onDataProgressiveDone() {\n this._readyCapability.promise.then(() => {\n for (const listener of this._progressiveDoneListeners) {\n listener();\n }\n });\n }\n\n transportReady() {\n this._readyCapability.resolve();\n }\n\n /**\n * @param {number} begin\n * @param {number} end\n */\n requestDataRange(begin, end) {\n unreachable(\"Abstract method PDFDataRangeTransport.requestDataRange\");\n }\n\n abort() {}\n}\n\n/**\n * Proxy to a `PDFDocument` in the worker thread.\n */\nclass PDFDocumentProxy {\n constructor(pdfInfo, transport) {\n this._pdfInfo = pdfInfo;\n this._transport = transport;\n }\n\n /**\n * @type {AnnotationStorage} Storage for annotation data in forms.\n */\n get annotationStorage() {\n return this._transport.annotationStorage;\n }\n\n /**\n * @type {number} Total number of pages in the PDF file.\n */\n get numPages() {\n return this._pdfInfo.numPages;\n }\n\n /**\n * @type {Array} A (not guaranteed to be) unique ID to\n * identify the PDF document.\n * NOTE: The first element will always be defined for all PDF documents,\n * whereas the second element is only defined for *modified* PDF documents.\n */\n get fingerprints() {\n return this._pdfInfo.fingerprints;\n }\n\n /**\n * @type {boolean} True if only XFA form.\n */\n get isPureXfa() {\n return shadow(this, \"isPureXfa\", !!this._transport._htmlForXfa);\n }\n\n /**\n * NOTE: This is (mostly) intended to support printing of XFA forms.\n *\n * @type {Object | null} An object representing a HTML tree structure\n * to render the XFA, or `null` when no XFA form exists.\n */\n get allXfaHtml() {\n return this._transport._htmlForXfa;\n }\n\n /**\n * @param {number} pageNumber - The page number to get. The first page is 1.\n * @returns {Promise} A promise that is resolved with\n * a {@link PDFPageProxy} object.\n */\n getPage(pageNumber) {\n return this._transport.getPage(pageNumber);\n }\n\n /**\n * @param {RefProxy} ref - The page reference.\n * @returns {Promise} A promise that is resolved with the page index,\n * starting from zero, that is associated with the reference.\n */\n getPageIndex(ref) {\n return this._transport.getPageIndex(ref);\n }\n\n /**\n * @returns {Promise>>} A promise that is resolved\n * with a mapping from named destinations to references.\n *\n * This can be slow for large documents. Use `getDestination` instead.\n */\n getDestinations() {\n return this._transport.getDestinations();\n }\n\n /**\n * @param {string} id - The named destination to get.\n * @returns {Promise | null>} A promise that is resolved with all\n * information of the given named destination, or `null` when the named\n * destination is not present in the PDF file.\n */\n getDestination(id) {\n return this._transport.getDestination(id);\n }\n\n /**\n * @returns {Promise | null>} A promise that is resolved with\n * an {Array} containing the page labels that correspond to the page\n * indexes, or `null` when no page labels are present in the PDF file.\n */\n getPageLabels() {\n return this._transport.getPageLabels();\n }\n\n /**\n * @returns {Promise} A promise that is resolved with a {string}\n * containing the page layout name.\n */\n getPageLayout() {\n return this._transport.getPageLayout();\n }\n\n /**\n * @returns {Promise} A promise that is resolved with a {string}\n * containing the page mode name.\n */\n getPageMode() {\n return this._transport.getPageMode();\n }\n\n /**\n * @returns {Promise} A promise that is resolved with an\n * {Object} containing the viewer preferences, or `null` when no viewer\n * preferences are present in the PDF file.\n */\n getViewerPreferences() {\n return this._transport.getViewerPreferences();\n }\n\n /**\n * @returns {Promise} A promise that is resolved with an {Array}\n * containing the destination, or `null` when no open action is present\n * in the PDF.\n */\n getOpenAction() {\n return this._transport.getOpenAction();\n }\n\n /**\n * @returns {Promise} A promise that is resolved with a lookup table\n * for mapping named attachments to their content.\n */\n getAttachments() {\n return this._transport.getAttachments();\n }\n\n /**\n * @returns {Promise | null>} A promise that is resolved with\n * an {Array} of all the JavaScript strings in the name tree, or `null`\n * if no JavaScript exists.\n */\n getJavaScript() {\n return this._transport.getJavaScript();\n }\n\n /**\n * @returns {Promise} A promise that is resolved with\n * an {Object} with the JavaScript actions:\n * - from the name tree (like getJavaScript);\n * - from A or AA entries in the catalog dictionary.\n * , or `null` if no JavaScript exists.\n */\n getJSActions() {\n return this._transport.getDocJSActions();\n }\n\n /**\n * @typedef {Object} OutlineNode\n * @property {string} title\n * @property {boolean} bold\n * @property {boolean} italic\n * @property {Uint8ClampedArray} color - The color in RGB format to use for\n * display purposes.\n * @property {string | Array | null} dest\n * @property {string | null} url\n * @property {string | undefined} unsafeUrl\n * @property {boolean | undefined} newWindow\n * @property {number | undefined} count\n * @property {Array} items\n */\n\n /**\n * @returns {Promise>} A promise that is resolved with an\n * {Array} that is a tree outline (if it has one) of the PDF file.\n */\n getOutline() {\n return this._transport.getOutline();\n }\n\n /**\n * @returns {Promise} A promise that is resolved with\n * an {@link OptionalContentConfig} that contains all the optional content\n * groups (assuming that the document has any).\n */\n getOptionalContentConfig() {\n return this._transport.getOptionalContentConfig();\n }\n\n /**\n * @returns {Promise | null>} A promise that is resolved with\n * an {Array} that contains the permission flags for the PDF document, or\n * `null` when no permissions are present in the PDF file.\n */\n getPermissions() {\n return this._transport.getPermissions();\n }\n\n /**\n * @returns {Promise<{ info: Object, metadata: Metadata }>} A promise that is\n * resolved with an {Object} that has `info` and `metadata` properties.\n * `info` is an {Object} filled with anything available in the information\n * dictionary and similarly `metadata` is a {Metadata} object with\n * information from the metadata section of the PDF.\n */\n getMetadata() {\n return this._transport.getMetadata();\n }\n\n /**\n * @typedef {Object} MarkInfo\n * Properties correspond to Table 321 of the PDF 32000-1:2008 spec.\n * @property {boolean} Marked\n * @property {boolean} UserProperties\n * @property {boolean} Suspects\n */\n\n /**\n * @returns {Promise} A promise that is resolved with\n * a {MarkInfo} object that contains the MarkInfo flags for the PDF\n * document, or `null` when no MarkInfo values are present in the PDF file.\n */\n getMarkInfo() {\n return this._transport.getMarkInfo();\n }\n\n /**\n * @returns {Promise} A promise that is resolved with a\n * {Uint8Array} containing the raw data of the PDF document.\n */\n getData() {\n return this._transport.getData();\n }\n\n /**\n * @returns {Promise} A promise that is resolved with a\n * {Uint8Array} containing the full data of the saved document.\n */\n saveDocument() {\n return this._transport.saveDocument();\n }\n\n /**\n * @returns {Promise<{ length: number }>} A promise that is resolved when the\n * document's data is loaded. It is resolved with an {Object} that contains\n * the `length` property that indicates size of the PDF data in bytes.\n */\n getDownloadInfo() {\n return this._transport.downloadInfoCapability.promise;\n }\n\n /**\n * Cleans up resources allocated by the document on both the main and worker\n * threads.\n *\n * NOTE: Do not, under any circumstances, call this method when rendering is\n * currently ongoing since that may lead to rendering errors.\n *\n * @param {boolean} [keepLoadedFonts] - Let fonts remain attached to the DOM.\n * NOTE: This will increase persistent memory usage, hence don't use this\n * option unless absolutely necessary. The default value is `false`.\n * @returns {Promise} A promise that is resolved when clean-up has finished.\n */\n cleanup(keepLoadedFonts = false) {\n return this._transport.startCleanup(keepLoadedFonts || this.isPureXfa);\n }\n\n /**\n * Destroys the current document instance and terminates the worker.\n */\n destroy() {\n return this.loadingTask.destroy();\n }\n\n /**\n * @type {DocumentInitParameters} A subset of the current\n * {DocumentInitParameters}, which are needed in the viewer.\n */\n get loadingParams() {\n return this._transport.loadingParams;\n }\n\n /**\n * @type {PDFDocumentLoadingTask} The loadingTask for the current document.\n */\n get loadingTask() {\n return this._transport.loadingTask;\n }\n\n /**\n * @returns {Promise> | null>} A promise that is\n * resolved with an {Object} containing /AcroForm field data for the JS\n * sandbox, or `null` when no field data is present in the PDF file.\n */\n getFieldObjects() {\n return this._transport.getFieldObjects();\n }\n\n /**\n * @returns {Promise} A promise that is resolved with `true`\n * if some /AcroForm fields have JavaScript actions.\n */\n hasJSActions() {\n return this._transport.hasJSActions();\n }\n\n /**\n * @returns {Promise | null>} A promise that is resolved with an\n * {Array} containing IDs of annotations that have a calculation\n * action, or `null` when no such annotations are present in the PDF file.\n */\n getCalculationOrderIds() {\n return this._transport.getCalculationOrderIds();\n }\n}\n\n/**\n * Page getViewport parameters.\n *\n * @typedef {Object} GetViewportParameters\n * @property {number} scale - The desired scale of the viewport.\n * @property {number} [rotation] - The desired rotation, in degrees, of\n * the viewport. If omitted it defaults to the page rotation.\n * @property {number} [offsetX] - The horizontal, i.e. x-axis, offset.\n * The default value is `0`.\n * @property {number} [offsetY] - The vertical, i.e. y-axis, offset.\n * The default value is `0`.\n * @property {boolean} [dontFlip] - If true, the y-axis will not be\n * flipped. The default value is `false`.\n */\n\n/**\n * Page getTextContent parameters.\n *\n * @typedef {Object} getTextContentParameters\n * @property {boolean} disableCombineTextItems - Do not attempt to combine\n * same line {@link TextItem}'s. The default value is `false`.\n * @property {boolean} [includeMarkedContent] - When true include marked\n * content items in the items array of TextContent. The default is `false`.\n */\n\n/**\n * Page text content.\n *\n * @typedef {Object} TextContent\n * @property {Array} items - Array of\n * {@link TextItem} and {@link TextMarkedContent} objects. TextMarkedContent\n * items are included when includeMarkedContent is true.\n * @property {Object} styles - {@link TextStyle} objects,\n * indexed by font name.\n */\n\n/**\n * Page text content part.\n *\n * @typedef {Object} TextItem\n * @property {string} str - Text content.\n * @property {string} dir - Text direction: 'ttb', 'ltr' or 'rtl'.\n * @property {Array} transform - Transformation matrix.\n * @property {number} width - Width in device space.\n * @property {number} height - Height in device space.\n * @property {string} fontName - Font name used by PDF.js for converted font.\n * @property {boolean} hasEOL - Indicating if the text content is followed by a\n * line-break.\n */\n\n/**\n * Page text marked content part.\n *\n * @typedef {Object} TextMarkedContent\n * @property {string} type - Either 'beginMarkedContent',\n * 'beginMarkedContentProps', or 'endMarkedContent'.\n * @property {string} id - The marked content identifier. Only used for type\n * 'beginMarkedContentProps'.\n */\n\n/**\n * Text style.\n *\n * @typedef {Object} TextStyle\n * @property {number} ascent - Font ascent.\n * @property {number} descent - Font descent.\n * @property {boolean} vertical - Whether or not the text is in vertical mode.\n * @property {string} fontFamily - The possible font family.\n */\n\n/**\n * Page annotation parameters.\n *\n * @typedef {Object} GetAnnotationsParameters\n * @property {string} [intent] - Determines the annotations that are fetched,\n * can be 'display' (viewable annotations), 'print' (printable annotations),\n * or 'any' (all annotations). The default value is 'display'.\n */\n\n/**\n * Page render parameters.\n *\n * @typedef {Object} RenderParameters\n * @property {Object} canvasContext - A 2D context of a DOM Canvas object.\n * @property {PageViewport} viewport - Rendering viewport obtained by calling\n * the `PDFPageProxy.getViewport` method.\n * @property {string} [intent] - Rendering intent, can be 'display', 'print',\n * or 'any'. The default value is 'display'.\n * @property {number} [annotationMode] Controls which annotations are rendered\n * onto the canvas, for annotations with appearance-data; the values from\n * {@link AnnotationMode} should be used. The following values are supported:\n * - `AnnotationMode.DISABLE`, which disables all annotations.\n * - `AnnotationMode.ENABLE`, which includes all possible annotations (thus\n * it also depends on the `intent`-option, see above).\n * - `AnnotationMode.ENABLE_FORMS`, which excludes annotations that contain\n * interactive form elements (those will be rendered in the display layer).\n * - `AnnotationMode.ENABLE_STORAGE`, which includes all possible annotations\n * (as above) but where interactive form elements are updated with data\n * from the {@link AnnotationStorage}-instance; useful e.g. for printing.\n * The default value is `AnnotationMode.ENABLE`.\n * @property {Array} [transform] - Additional transform, applied just\n * before viewport transform.\n * @property {Object} [canvasFactory] - The factory instance that will be used\n * when creating canvases. The default value is {new DOMCanvasFactory()}.\n * @property {Object | string} [background] - Background to use for the canvas.\n * Any valid `canvas.fillStyle` can be used: a `DOMString` parsed as CSS\n * value, a `CanvasGradient` object (a linear or radial gradient) or\n * a `CanvasPattern` object (a repetitive image). The default value is\n * 'rgb(255,255,255)'.\n *\n * NOTE: This option may be partially, or completely, ignored when the\n * `pageColors`-option is used.\n * @property {Object} [pageColors] - Overwrites background and foreground colors\n * with user defined ones in order to improve readability in high contrast\n * mode.\n * @property {Promise} [optionalContentConfigPromise] -\n * A promise that should resolve with an {@link OptionalContentConfig}\n * created from `PDFDocumentProxy.getOptionalContentConfig`. If `null`,\n * the configuration will be fetched automatically with the default visibility\n * states set.\n * @property {Map} [annotationCanvasMap] - Map some\n * annotation ids with canvases used to render them.\n * @property {PrintAnnotationStorage} [printAnnotationStorage]\n */\n\n/**\n * Page getOperatorList parameters.\n *\n * @typedef {Object} GetOperatorListParameters\n * @property {string} [intent] - Rendering intent, can be 'display', 'print',\n * or 'any'. The default value is 'display'.\n * @property {number} [annotationMode] Controls which annotations are included\n * in the operatorList, for annotations with appearance-data; the values from\n * {@link AnnotationMode} should be used. The following values are supported:\n * - `AnnotationMode.DISABLE`, which disables all annotations.\n * - `AnnotationMode.ENABLE`, which includes all possible annotations (thus\n * it also depends on the `intent`-option, see above).\n * - `AnnotationMode.ENABLE_FORMS`, which excludes annotations that contain\n * interactive form elements (those will be rendered in the display layer).\n * - `AnnotationMode.ENABLE_STORAGE`, which includes all possible annotations\n * (as above) but where interactive form elements are updated with data\n * from the {@link AnnotationStorage}-instance; useful e.g. for printing.\n * The default value is `AnnotationMode.ENABLE`.\n * @property {PrintAnnotationStorage} [printAnnotationStorage]\n */\n\n/**\n * Structure tree node. The root node will have a role \"Root\".\n *\n * @typedef {Object} StructTreeNode\n * @property {Array} children - Array of\n * {@link StructTreeNode} and {@link StructTreeContent} objects.\n * @property {string} role - element's role, already mapped if a role map exists\n * in the PDF.\n */\n\n/**\n * Structure tree content.\n *\n * @typedef {Object} StructTreeContent\n * @property {string} type - either \"content\" for page and stream structure\n * elements or \"object\" for object references.\n * @property {string} id - unique id that will map to the text layer.\n */\n\n/**\n * PDF page operator list.\n *\n * @typedef {Object} PDFOperatorList\n * @property {Array} fnArray - Array containing the operator functions.\n * @property {Array} argsArray - Array containing the arguments of the\n * functions.\n */\n\n/**\n * Proxy to a `PDFPage` in the worker thread.\n */\nclass PDFPageProxy {\n constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {\n this._pageIndex = pageIndex;\n this._pageInfo = pageInfo;\n this._ownerDocument = ownerDocument;\n this._transport = transport;\n this._stats = pdfBug ? new StatTimer() : null;\n this._pdfBug = pdfBug;\n /** @type {PDFObjects} */\n this.commonObjs = transport.commonObjs;\n this.objs = new PDFObjects();\n\n this._bitmaps = new Set();\n\n this.cleanupAfterRender = false;\n this.pendingCleanup = false;\n this._intentStates = new Map();\n this.destroyed = false;\n }\n\n /**\n * @type {number} Page number of the page. First page is 1.\n */\n get pageNumber() {\n return this._pageIndex + 1;\n }\n\n /**\n * @type {number} The number of degrees the page is rotated clockwise.\n */\n get rotate() {\n return this._pageInfo.rotate;\n }\n\n /**\n * @type {RefProxy | null} The reference that points to this page.\n */\n get ref() {\n return this._pageInfo.ref;\n }\n\n /**\n * @type {number} The default size of units in 1/72nds of an inch.\n */\n get userUnit() {\n return this._pageInfo.userUnit;\n }\n\n /**\n * @type {Array} An array of the visible portion of the PDF page in\n * user space units [x1, y1, x2, y2].\n */\n get view() {\n return this._pageInfo.view;\n }\n\n /**\n * @param {GetViewportParameters} params - Viewport parameters.\n * @returns {PageViewport} Contains 'width' and 'height' properties\n * along with transforms required for rendering.\n */\n getViewport({\n scale,\n rotation = this.rotate,\n offsetX = 0,\n offsetY = 0,\n dontFlip = false,\n } = {}) {\n return new PageViewport({\n viewBox: this.view,\n scale,\n rotation,\n offsetX,\n offsetY,\n dontFlip,\n });\n }\n\n /**\n * @param {GetAnnotationsParameters} params - Annotation parameters.\n * @returns {Promise>} A promise that is resolved with an\n * {Array} of the annotation objects.\n */\n getAnnotations({ intent = \"display\" } = {}) {\n const intentArgs = this._transport.getRenderingIntent(intent);\n\n return this._transport.getAnnotations(\n this._pageIndex,\n intentArgs.renderingIntent\n );\n }\n\n /**\n * @returns {Promise} A promise that is resolved with an\n * {Object} with JS actions.\n */\n getJSActions() {\n return this._transport.getPageJSActions(this._pageIndex);\n }\n\n /**\n * @type {boolean} True if only XFA form.\n */\n get isPureXfa() {\n return shadow(this, \"isPureXfa\", !!this._transport._htmlForXfa);\n }\n\n /**\n * @returns {Promise} A promise that is resolved with\n * an {Object} with a fake DOM object (a tree structure where elements\n * are {Object} with a name, attributes (class, style, ...), value and\n * children, very similar to a HTML DOM tree), or `null` if no XFA exists.\n */\n async getXfa() {\n return this._transport._htmlForXfa?.children[this._pageIndex] || null;\n }\n\n /**\n * Begins the process of rendering a page to the desired context.\n *\n * @param {RenderParameters} params - Page render parameters.\n * @returns {RenderTask} An object that contains a promise that is\n * resolved when the page finishes rendering.\n */\n render({\n canvasContext,\n viewport,\n intent = \"display\",\n annotationMode = AnnotationMode.ENABLE,\n transform = null,\n canvasFactory = null,\n background = null,\n optionalContentConfigPromise = null,\n annotationCanvasMap = null,\n pageColors = null,\n printAnnotationStorage = null,\n }) {\n this._stats?.time(\"Overall\");\n\n const intentArgs = this._transport.getRenderingIntent(\n intent,\n annotationMode,\n printAnnotationStorage\n );\n // If there was a pending destroy, cancel it so no cleanup happens during\n // this call to render.\n this.pendingCleanup = false;\n\n if (!optionalContentConfigPromise) {\n optionalContentConfigPromise = this._transport.getOptionalContentConfig();\n }\n\n let intentState = this._intentStates.get(intentArgs.cacheKey);\n if (!intentState) {\n intentState = Object.create(null);\n this._intentStates.set(intentArgs.cacheKey, intentState);\n }\n\n // Ensure that a pending `streamReader` cancel timeout is always aborted.\n if (intentState.streamReaderCancelTimeout) {\n clearTimeout(intentState.streamReaderCancelTimeout);\n intentState.streamReaderCancelTimeout = null;\n }\n\n const canvasFactoryInstance =\n canvasFactory ||\n new DefaultCanvasFactory({ ownerDocument: this._ownerDocument });\n const intentPrint = !!(\n intentArgs.renderingIntent & RenderingIntentFlag.PRINT\n );\n\n // If there's no displayReadyCapability yet, then the operatorList\n // was never requested before. Make the request and create the promise.\n if (!intentState.displayReadyCapability) {\n intentState.displayReadyCapability = createPromiseCapability();\n intentState.operatorList = {\n fnArray: [],\n argsArray: [],\n lastChunk: false,\n separateAnnots: null,\n };\n\n this._stats?.time(\"Page Request\");\n this._pumpOperatorList(intentArgs);\n }\n\n const complete = error => {\n intentState.renderTasks.delete(internalRenderTask);\n\n // Attempt to reduce memory usage during *printing*, by always running\n // cleanup once rendering has finished (regardless of cleanupAfterRender).\n if (this.cleanupAfterRender || intentPrint) {\n this.pendingCleanup = true;\n }\n this._tryCleanup();\n\n if (error) {\n internalRenderTask.capability.reject(error);\n\n this._abortOperatorList({\n intentState,\n reason: error instanceof Error ? error : new Error(error),\n });\n } else {\n internalRenderTask.capability.resolve();\n }\n\n this._stats?.timeEnd(\"Rendering\");\n this._stats?.timeEnd(\"Overall\");\n };\n\n const internalRenderTask = new InternalRenderTask({\n callback: complete,\n // Only include the required properties, and *not* the entire object.\n params: {\n canvasContext,\n viewport,\n transform,\n background,\n },\n objs: this.objs,\n commonObjs: this.commonObjs,\n annotationCanvasMap,\n operatorList: intentState.operatorList,\n pageIndex: this._pageIndex,\n canvasFactory: canvasFactoryInstance,\n useRequestAnimationFrame: !intentPrint,\n pdfBug: this._pdfBug,\n pageColors,\n });\n\n (intentState.renderTasks ||= new Set()).add(internalRenderTask);\n const renderTask = internalRenderTask.task;\n\n Promise.all([\n intentState.displayReadyCapability.promise,\n optionalContentConfigPromise,\n ])\n .then(([transparency, optionalContentConfig]) => {\n if (this.pendingCleanup) {\n complete();\n return;\n }\n this._stats?.time(\"Rendering\");\n\n internalRenderTask.initializeGraphics({\n transparency,\n optionalContentConfig,\n });\n internalRenderTask.operatorListChanged();\n })\n .catch(complete);\n\n return renderTask;\n }\n\n /**\n * @param {GetOperatorListParameters} params - Page getOperatorList\n * parameters.\n * @returns {Promise} A promise resolved with an\n * {@link PDFOperatorList} object that represents the page's operator list.\n */\n getOperatorList({\n intent = \"display\",\n annotationMode = AnnotationMode.ENABLE,\n printAnnotationStorage = null,\n } = {}) {\n function operatorListChanged() {\n if (intentState.operatorList.lastChunk) {\n intentState.opListReadCapability.resolve(intentState.operatorList);\n\n intentState.renderTasks.delete(opListTask);\n }\n }\n\n const intentArgs = this._transport.getRenderingIntent(\n intent,\n annotationMode,\n printAnnotationStorage,\n /* isOpList = */ true\n );\n let intentState = this._intentStates.get(intentArgs.cacheKey);\n if (!intentState) {\n intentState = Object.create(null);\n this._intentStates.set(intentArgs.cacheKey, intentState);\n }\n let opListTask;\n\n if (!intentState.opListReadCapability) {\n opListTask = Object.create(null);\n opListTask.operatorListChanged = operatorListChanged;\n intentState.opListReadCapability = createPromiseCapability();\n (intentState.renderTasks ||= new Set()).add(opListTask);\n intentState.operatorList = {\n fnArray: [],\n argsArray: [],\n lastChunk: false,\n separateAnnots: null,\n };\n\n this._stats?.time(\"Page Request\");\n this._pumpOperatorList(intentArgs);\n }\n return intentState.opListReadCapability.promise;\n }\n\n /**\n * NOTE: All occurrences of whitespace will be replaced by\n * standard spaces (0x20).\n *\n * @param {getTextContentParameters} params - getTextContent parameters.\n * @returns {ReadableStream} Stream for reading text content chunks.\n */\n streamTextContent({\n disableCombineTextItems = false,\n includeMarkedContent = false,\n } = {}) {\n const TEXT_CONTENT_CHUNK_SIZE = 100;\n\n return this._transport.messageHandler.sendWithStream(\n \"GetTextContent\",\n {\n pageIndex: this._pageIndex,\n combineTextItems: disableCombineTextItems !== true,\n includeMarkedContent: includeMarkedContent === true,\n },\n {\n highWaterMark: TEXT_CONTENT_CHUNK_SIZE,\n size(textContent) {\n return textContent.items.length;\n },\n }\n );\n }\n\n /**\n * NOTE: All occurrences of whitespace will be replaced by\n * standard spaces (0x20).\n *\n * @param {getTextContentParameters} params - getTextContent parameters.\n * @returns {Promise} A promise that is resolved with a\n * {@link TextContent} object that represents the page's text content.\n */\n getTextContent(params = {}) {\n if (this._transport._htmlForXfa) {\n // TODO: We need to revisit this once the XFA foreground patch lands and\n // only do this for non-foreground XFA.\n return this.getXfa().then(xfa => {\n return XfaText.textContent(xfa);\n });\n }\n const readableStream = this.streamTextContent(params);\n\n return new Promise(function (resolve, reject) {\n function pump() {\n reader.read().then(function ({ value, done }) {\n if (done) {\n resolve(textContent);\n return;\n }\n Object.assign(textContent.styles, value.styles);\n textContent.items.push(...value.items);\n pump();\n }, reject);\n }\n\n const reader = readableStream.getReader();\n const textContent = {\n items: [],\n styles: Object.create(null),\n };\n pump();\n });\n }\n\n /**\n * @returns {Promise} A promise that is resolved with a\n * {@link StructTreeNode} object that represents the page's structure tree,\n * or `null` when no structure tree is present for the current page.\n */\n getStructTree() {\n return this._transport.getStructTree(this._pageIndex);\n }\n\n /**\n * Destroys the page object.\n * @private\n */\n _destroy() {\n this.destroyed = true;\n\n const waitOn = [];\n for (const intentState of this._intentStates.values()) {\n this._abortOperatorList({\n intentState,\n reason: new Error(\"Page was destroyed.\"),\n force: true,\n });\n\n if (intentState.opListReadCapability) {\n // Avoid errors below, since the renderTasks are just stubs.\n continue;\n }\n for (const internalRenderTask of intentState.renderTasks) {\n waitOn.push(internalRenderTask.completed);\n internalRenderTask.cancel();\n }\n }\n this.objs.clear();\n for (const bitmap of this._bitmaps) {\n bitmap.close();\n }\n this._bitmaps.clear();\n this.pendingCleanup = false;\n return Promise.all(waitOn);\n }\n\n /**\n * Cleans up resources allocated by the page.\n *\n * @param {boolean} [resetStats] - Reset page stats, if enabled.\n * The default value is `false`.\n * @returns {boolean} Indicates if clean-up was successfully run.\n */\n cleanup(resetStats = false) {\n this.pendingCleanup = true;\n return this._tryCleanup(resetStats);\n }\n\n /**\n * Attempts to clean up if rendering is in a state where that's possible.\n * @private\n */\n _tryCleanup(resetStats = false) {\n if (!this.pendingCleanup) {\n return false;\n }\n for (const { renderTasks, operatorList } of this._intentStates.values()) {\n if (renderTasks.size > 0 || !operatorList.lastChunk) {\n return false;\n }\n }\n\n this._intentStates.clear();\n this.objs.clear();\n if (resetStats && this._stats) {\n this._stats = new StatTimer();\n }\n for (const bitmap of this._bitmaps) {\n bitmap.close();\n }\n this._bitmaps.clear();\n this.pendingCleanup = false;\n return true;\n }\n\n /**\n * @private\n */\n _startRenderPage(transparency, cacheKey) {\n const intentState = this._intentStates.get(cacheKey);\n if (!intentState) {\n return; // Rendering was cancelled.\n }\n this._stats?.timeEnd(\"Page Request\");\n\n // TODO Refactor RenderPageRequest to separate rendering\n // and operator list logic\n intentState.displayReadyCapability?.resolve(transparency);\n }\n\n /**\n * @private\n */\n _renderPageChunk(operatorListChunk, intentState) {\n // Add the new chunk to the current operator list.\n for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {\n intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);\n intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);\n }\n intentState.operatorList.lastChunk = operatorListChunk.lastChunk;\n intentState.operatorList.separateAnnots = operatorListChunk.separateAnnots;\n\n // Notify all the rendering tasks there are more operators to be consumed.\n for (const internalRenderTask of intentState.renderTasks) {\n internalRenderTask.operatorListChanged();\n }\n\n if (operatorListChunk.lastChunk) {\n this._tryCleanup();\n }\n }\n\n /**\n * @private\n */\n _pumpOperatorList({ renderingIntent, cacheKey, annotationStorageMap }) {\n if (\n typeof PDFJSDev === \"undefined\" ||\n PDFJSDev.test(\"!PRODUCTION || TESTING\")\n ) {\n assert(\n Number.isInteger(renderingIntent) && renderingIntent > 0,\n '_pumpOperatorList: Expected valid \"renderingIntent\" argument.'\n );\n }\n\n const readableStream = this._transport.messageHandler.sendWithStream(\n \"GetOperatorList\",\n {\n pageIndex: this._pageIndex,\n intent: renderingIntent,\n cacheKey,\n annotationStorage: annotationStorageMap,\n }\n );\n const reader = readableStream.getReader();\n\n const intentState = this._intentStates.get(cacheKey);\n intentState.streamReader = reader;\n\n const pump = () => {\n reader.read().then(\n ({ value, done }) => {\n if (done) {\n intentState.streamReader = null;\n return;\n }\n if (this._transport.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n this._renderPageChunk(value, intentState);\n pump();\n },\n reason => {\n intentState.streamReader = null;\n\n if (this._transport.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n if (intentState.operatorList) {\n // Mark operator list as complete.\n intentState.operatorList.lastChunk = true;\n\n for (const internalRenderTask of intentState.renderTasks) {\n internalRenderTask.operatorListChanged();\n }\n this._tryCleanup();\n }\n\n if (intentState.displayReadyCapability) {\n intentState.displayReadyCapability.reject(reason);\n } else if (intentState.opListReadCapability) {\n intentState.opListReadCapability.reject(reason);\n } else {\n throw reason;\n }\n }\n );\n };\n pump();\n }\n\n /**\n * @private\n */\n _abortOperatorList({ intentState, reason, force = false }) {\n if (\n typeof PDFJSDev === \"undefined\" ||\n PDFJSDev.test(\"!PRODUCTION || TESTING\")\n ) {\n assert(\n reason instanceof Error,\n '_abortOperatorList: Expected valid \"reason\" argument.'\n );\n }\n\n if (!intentState.streamReader) {\n return;\n }\n // Ensure that a pending `streamReader` cancel timeout is always aborted.\n if (intentState.streamReaderCancelTimeout) {\n clearTimeout(intentState.streamReaderCancelTimeout);\n intentState.streamReaderCancelTimeout = null;\n }\n\n if (!force) {\n // Ensure that an Error occurring in *only* one `InternalRenderTask`, e.g.\n // multiple render() calls on the same canvas, won't break all rendering.\n if (intentState.renderTasks.size > 0) {\n return;\n }\n // Don't immediately abort parsing on the worker-thread when rendering is\n // cancelled, since that will unnecessarily delay re-rendering when (for\n // partially parsed pages) e.g. zooming/rotation occurs in the viewer.\n if (reason instanceof RenderingCancelledException) {\n let delay = RENDERING_CANCELLED_TIMEOUT;\n if (reason.extraDelay > 0 && reason.extraDelay < /* ms = */ 1000) {\n // Above, we prevent the total delay from becoming arbitrarily large.\n delay += reason.extraDelay;\n }\n\n intentState.streamReaderCancelTimeout = setTimeout(() => {\n intentState.streamReaderCancelTimeout = null;\n this._abortOperatorList({ intentState, reason, force: true });\n }, delay);\n return;\n }\n }\n intentState.streamReader\n .cancel(new AbortException(reason.message))\n .catch(() => {\n // Avoid \"Uncaught promise\" messages in the console.\n });\n intentState.streamReader = null;\n\n if (this._transport.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n // Remove the current `intentState`, since a cancelled `getOperatorList`\n // call on the worker-thread cannot be re-started...\n for (const [curCacheKey, curIntentState] of this._intentStates) {\n if (curIntentState === intentState) {\n this._intentStates.delete(curCacheKey);\n break;\n }\n }\n // ... and force clean-up to ensure that any old state is always removed.\n this.cleanup();\n }\n\n /**\n * @type {Object} Returns page stats, if enabled; returns `null` otherwise.\n */\n get stats() {\n return this._stats;\n }\n}\n\nclass LoopbackPort {\n #listeners = [];\n\n #deferred = Promise.resolve();\n\n postMessage(obj, transfers) {\n const event = {\n data: structuredClone(obj, transfers),\n };\n\n this.#deferred.then(() => {\n for (const listener of this.#listeners) {\n listener.call(this, event);\n }\n });\n }\n\n addEventListener(name, listener) {\n this.#listeners.push(listener);\n }\n\n removeEventListener(name, listener) {\n const i = this.#listeners.indexOf(listener);\n this.#listeners.splice(i, 1);\n }\n\n terminate() {\n this.#listeners.length = 0;\n }\n}\n\n/**\n * @typedef {Object} PDFWorkerParameters\n * @property {string} [name] - The name of the worker.\n * @property {Object} [port] - The `workerPort` object.\n * @property {number} [verbosity] - Controls the logging level;\n * the constants from {@link VerbosityLevel} should be used.\n */\n\nconst PDFWorkerUtil = {\n isWorkerDisabled: false,\n fallbackWorkerSrc: null,\n fakeWorkerId: 0,\n};\nif (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n // eslint-disable-next-line no-undef\n if (isNodeJS && typeof __non_webpack_require__ === \"function\") {\n // Workers aren't supported in Node.js, force-disabling them there.\n PDFWorkerUtil.isWorkerDisabled = true;\n\n PDFWorkerUtil.fallbackWorkerSrc = PDFJSDev.test(\"LIB\")\n ? \"../pdf.worker.js\"\n : \"./pdf.worker.js\";\n } else if (typeof document === \"object\") {\n const pdfjsFilePath = document?.currentScript?.src;\n if (pdfjsFilePath) {\n PDFWorkerUtil.fallbackWorkerSrc = pdfjsFilePath.replace(\n /(\\.(?:min\\.)?js)(\\?.*)?$/i,\n \".worker$1$2\"\n );\n }\n }\n\n // Check if URLs have the same origin. For non-HTTP based URLs, returns false.\n PDFWorkerUtil.isSameOrigin = function (baseUrl, otherUrl) {\n let base;\n try {\n base = new URL(baseUrl);\n if (!base.origin || base.origin === \"null\") {\n return false; // non-HTTP url\n }\n } catch (e) {\n return false;\n }\n\n const other = new URL(otherUrl, base);\n return base.origin === other.origin;\n };\n\n PDFWorkerUtil.createCDNWrapper = function (url) {\n // We will rely on blob URL's property to specify origin.\n // We want this function to fail in case if createObjectURL or Blob do not\n // exist or fail for some reason -- our Worker creation will fail anyway.\n const wrapper = `importScripts(\"${url}\");`;\n return URL.createObjectURL(new Blob([wrapper]));\n };\n}\n\n/**\n * PDF.js web worker abstraction that controls the instantiation of PDF\n * documents. Message handlers are used to pass information from the main\n * thread to the worker thread and vice versa. If the creation of a web\n * worker is not possible, a \"fake\" worker will be used instead.\n *\n * @param {PDFWorkerParameters} params - The worker initialization parameters.\n */\nclass PDFWorker {\n static #workerPorts = new WeakMap();\n\n constructor({\n name = null,\n port = null,\n verbosity = getVerbosityLevel(),\n } = {}) {\n if (port && PDFWorker.#workerPorts.has(port)) {\n throw new Error(\"Cannot use more than one PDFWorker per port.\");\n }\n\n this.name = name;\n this.destroyed = false;\n this.verbosity = verbosity;\n\n this._readyCapability = createPromiseCapability();\n this._port = null;\n this._webWorker = null;\n this._messageHandler = null;\n\n if (port) {\n PDFWorker.#workerPorts.set(port, this);\n this._initializeFromPort(port);\n return;\n }\n this._initialize();\n }\n\n /**\n * Promise for worker initialization completion.\n * @type {Promise}\n */\n get promise() {\n return this._readyCapability.promise;\n }\n\n /**\n * The current `workerPort`, when it exists.\n * @type {Worker}\n */\n get port() {\n return this._port;\n }\n\n /**\n * The current MessageHandler-instance.\n * @type {MessageHandler}\n */\n get messageHandler() {\n return this._messageHandler;\n }\n\n _initializeFromPort(port) {\n this._port = port;\n this._messageHandler = new MessageHandler(\"main\", \"worker\", port);\n this._messageHandler.on(\"ready\", function () {\n // Ignoring \"ready\" event -- MessageHandler should already be initialized\n // and ready to accept messages.\n });\n this._readyCapability.resolve();\n // Send global setting, e.g. verbosity level.\n this._messageHandler.send(\"configure\", {\n verbosity: this.verbosity,\n });\n }\n\n _initialize() {\n // If worker support isn't disabled explicit and the browser has worker\n // support, create a new web worker and test if it/the browser fulfills\n // all requirements to run parts of pdf.js in a web worker.\n // Right now, the requirement is, that an Uint8Array is still an\n // Uint8Array as it arrives on the worker. (Chrome added this with v.15.)\n if (\n !PDFWorkerUtil.isWorkerDisabled &&\n !PDFWorker._mainThreadWorkerMessageHandler\n ) {\n let { workerSrc } = PDFWorker;\n\n try {\n // Wraps workerSrc path into blob URL, if the former does not belong\n // to the same origin.\n if (\n typeof PDFJSDev !== \"undefined\" &&\n PDFJSDev.test(\"GENERIC\") &&\n !PDFWorkerUtil.isSameOrigin(window.location.href, workerSrc)\n ) {\n workerSrc = PDFWorkerUtil.createCDNWrapper(\n new URL(workerSrc, window.location).href\n );\n }\n\n // Some versions of FF can't create a worker on localhost, see:\n // https://bugzilla.mozilla.org/show_bug.cgi?id=683280\n const worker = new Worker(workerSrc);\n const messageHandler = new MessageHandler(\"main\", \"worker\", worker);\n const terminateEarly = () => {\n worker.removeEventListener(\"error\", onWorkerError);\n messageHandler.destroy();\n worker.terminate();\n if (this.destroyed) {\n this._readyCapability.reject(new Error(\"Worker was destroyed\"));\n } else {\n // Fall back to fake worker if the termination is caused by an\n // error (e.g. NetworkError / SecurityError).\n this._setupFakeWorker();\n }\n };\n\n const onWorkerError = () => {\n if (!this._webWorker) {\n // Worker failed to initialize due to an error. Clean up and fall\n // back to the fake worker.\n terminateEarly();\n }\n };\n worker.addEventListener(\"error\", onWorkerError);\n\n messageHandler.on(\"test\", data => {\n worker.removeEventListener(\"error\", onWorkerError);\n if (this.destroyed) {\n terminateEarly();\n return; // worker was destroyed\n }\n if (data) {\n this._messageHandler = messageHandler;\n this._port = worker;\n this._webWorker = worker;\n\n this._readyCapability.resolve();\n // Send global setting, e.g. verbosity level.\n messageHandler.send(\"configure\", {\n verbosity: this.verbosity,\n });\n } else {\n this._setupFakeWorker();\n messageHandler.destroy();\n worker.terminate();\n }\n });\n\n messageHandler.on(\"ready\", data => {\n worker.removeEventListener(\"error\", onWorkerError);\n if (this.destroyed) {\n terminateEarly();\n return; // worker was destroyed\n }\n try {\n sendTest();\n } catch (e) {\n // We need fallback to a faked worker.\n this._setupFakeWorker();\n }\n });\n\n const sendTest = () => {\n const testObj = new Uint8Array();\n // Ensure that we can use `postMessage` transfers.\n messageHandler.send(\"test\", testObj, [testObj.buffer]);\n };\n\n // It might take time for the worker to initialize. We will try to send\n // the \"test\" message immediately, and once the \"ready\" message arrives.\n // The worker shall process only the first received \"test\" message.\n sendTest();\n return;\n } catch (e) {\n info(\"The worker has been disabled.\");\n }\n }\n // Either workers are disabled, not supported or have thrown an exception.\n // Thus, we fallback to a faked worker.\n this._setupFakeWorker();\n }\n\n _setupFakeWorker() {\n if (!PDFWorkerUtil.isWorkerDisabled) {\n warn(\"Setting up fake worker.\");\n PDFWorkerUtil.isWorkerDisabled = true;\n }\n\n PDFWorker._setupFakeWorkerGlobal\n .then(WorkerMessageHandler => {\n if (this.destroyed) {\n this._readyCapability.reject(new Error(\"Worker was destroyed\"));\n return;\n }\n const port = new LoopbackPort();\n this._port = port;\n\n // All fake workers use the same port, making id unique.\n const id = `fake${PDFWorkerUtil.fakeWorkerId++}`;\n\n // If the main thread is our worker, setup the handling for the\n // messages -- the main thread sends to it self.\n const workerHandler = new MessageHandler(id + \"_worker\", id, port);\n WorkerMessageHandler.setup(workerHandler, port);\n\n const messageHandler = new MessageHandler(id, id + \"_worker\", port);\n this._messageHandler = messageHandler;\n this._readyCapability.resolve();\n // Send global setting, e.g. verbosity level.\n messageHandler.send(\"configure\", {\n verbosity: this.verbosity,\n });\n })\n .catch(reason => {\n this._readyCapability.reject(\n new Error(`Setting up fake worker failed: \"${reason.message}\".`)\n );\n });\n }\n\n /**\n * Destroys the worker instance.\n */\n destroy() {\n this.destroyed = true;\n if (this._webWorker) {\n // We need to terminate only web worker created resource.\n this._webWorker.terminate();\n this._webWorker = null;\n }\n PDFWorker.#workerPorts.delete(this._port);\n this._port = null;\n if (this._messageHandler) {\n this._messageHandler.destroy();\n this._messageHandler = null;\n }\n }\n\n /**\n * @param {PDFWorkerParameters} params - The worker initialization parameters.\n */\n static fromPort(params) {\n if (!params?.port) {\n throw new Error(\"PDFWorker.fromPort - invalid method signature.\");\n }\n if (this.#workerPorts.has(params.port)) {\n return this.#workerPorts.get(params.port);\n }\n return new PDFWorker(params);\n }\n\n /**\n * The current `workerSrc`, when it exists.\n * @type {string}\n */\n static get workerSrc() {\n if (GlobalWorkerOptions.workerSrc) {\n return GlobalWorkerOptions.workerSrc;\n }\n if (\n (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) &&\n PDFWorkerUtil.fallbackWorkerSrc !== null\n ) {\n if (!isNodeJS) {\n deprecated('No \"GlobalWorkerOptions.workerSrc\" specified.');\n }\n return PDFWorkerUtil.fallbackWorkerSrc;\n }\n throw new Error('No \"GlobalWorkerOptions.workerSrc\" specified.');\n }\n\n static get _mainThreadWorkerMessageHandler() {\n try {\n return globalThis.pdfjsWorker?.WorkerMessageHandler || null;\n } catch (ex) {\n return null;\n }\n }\n\n // Loads worker code into the main-thread.\n static get _setupFakeWorkerGlobal() {\n const loader = async () => {\n const mainWorkerMessageHandler = this._mainThreadWorkerMessageHandler;\n\n if (mainWorkerMessageHandler) {\n // The worker was already loaded using e.g. a `