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Fix 746 (#825)

Browse Source 
* Fix: #746

* formatting
This commit is contained in:
Ludy 2024-02-18 08:40:30 +01:00 committed by GitHub
parent 673f005fe6
commit 51ad741744
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GPG Key ID: B5690EEEBB952194
9 changed files with 265 additions and 283 deletions
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2
src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java
View File

@ -218,7 +218,7 @@ public class EndpointConfiguration {
addEndpointToGroup("Java", "overlay-pdf");
addEndpointToGroup("Java", "split-pdf-by-sections");
addEndpointToGroup("Java", "remove-blanks");
// Javascript
addEndpointToGroup("Javascript", "pdf-organizer");
addEndpointToGroup("Javascript", "sign");

16
src/main/resources/static/js/downloader.js
View File

@ -25,16 +25,15 @@ $(document).ready(function () {
const originalButtonText = $("#submitBtn").text();
$("#submitBtn").text("Processing...");
console.log(override);
// Set a timeout to show the game button if operation takes more than 5 seconds
const timeoutId = setTimeout(() => {
var boredWaiting = localStorage.getItem("boredWaiting") || "disabled";
const showGameBtn = document.getElementById('show-game-btn');
if(boredWaiting === "enabled" && showGameBtn){
showGameBtn.style.display = 'block';
var boredWaiting = localStorage.getItem("boredWaiting") || "disabled";
const showGameBtn = document.getElementById("show-game-btn");
if (boredWaiting === "enabled" && showGameBtn) {
showGameBtn.style.display = "block";
}
}, 5000);
}, 5000);
try {
if (remoteCall === true) {
@ -46,9 +45,8 @@ $(document).ready(function () {
}
clearTimeout(timeoutId);
$("#submitBtn").text(originalButtonText);
} catch (error) {
clearTimeout(timeoutId);
clearTimeout(timeoutId);
handleDownloadError(error);
$("#submitBtn").text(originalButtonText);
console.error(error);

4
src/main/resources/static/pdfjs/js/viewer.js vendored
View File

@ -3323,13 +3323,13 @@
kind: OptionKind.WORKER
},
workerSrc: {
value: "/pdfjs/pdf.worker.js",
value: "./pdfjs/pdf.worker.js",
kind: OptionKind.WORKER
}
};
{
defaultOptions.defaultUrl = {
value: "/pdfjs/example/Welcome.pdf",
value: "./pdfjs/example/Welcome.pdf",
kind: OptionKind.VIEWER
};
defaultOptions.disablePreferences = {

38
src/main/resources/templates/fragments/common.html
View File

@ -34,7 +34,7 @@
<link rel="stylesheet" href="css/bootstrap-icons.min.css">
<!-- PDF.js -->
<script src="pdfjs/pdf.js"></script>
<script th:src="@{pdfjs/pdf.js}"></script>
<!-- PDF-Lib -->
<script src="js/thirdParty/pdf-lib.min.js"></script>
@ -70,24 +70,22 @@
<script>
console.log("loaded game");
$(document).ready(function() {
// Find the file input within the form
var fileInput = $('input[type="file"]');
// Find the closest enclosing form of the file input
var form = fileInput.closest('form');
// Find the submit button within the form
var submitButton = form.find('button[type="submit"], input[type="submit"]');
// Create the 'show-game-btn' button
var gameButton = $('<button type="button" class="btn btn-primary" id="show-game-btn" style="display:none;">Bored waiting?</button><br /><br />');
// Insert the 'show-game-btn' just above the submit button
submitButton.before(gameButton);
// Find the file input within the form
var fileInput = $('input[type="file"]');
// Find the closest enclosing form of the file input
var form = fileInput.closest('form');
// Find the submit button within the form
var submitButton = form.find('button[type="submit"], input[type="submit"]');
// Create the 'show-game-btn' button
var gameButton = $('<button type="button" class="btn btn-primary" id="show-game-btn" style="display:none;">Bored waiting?</button><br /><br />');
// Insert the 'show-game-btn' just above the submit button
submitButton.before(gameButton);
function loadGameScript(callback) {
console.log('loadGameScript called');
const script = document.createElement('script');
@ -122,8 +120,6 @@
gameDialog.close();
}
})
})
</script>
<div id="game-container">

440
src/main/resources/templates/misc/adjust-contrast.html
View File

@ -4,272 +4,260 @@
<th:block th:insert="~{fragments/common :: head(title=#{adjustContrast.title}, header=#{adjustContrast.header})}"></th:block>
</head>
<body>
<div id="page-container">
<div id="content-wrap">
<th:block th:insert="~{fragments/navbar.html :: navbar}"></th:block>
<br /><br />
<div class="container">
<div class="row justify-content-center">
<div class="col-md-12">
<div class="row justify-content-center">
<div class="col-md-3">
<div id="sliders-container" style="display:none;">
<h4>
<span th:text="#{adjustContrast.contrast}"></span> <span id="contrast-val">100</span>%
</h4>
<input type="range" min="0" max="200" value="100" id="contrast-slider" />
<body>
<div id="page-container">
<div id="content-wrap">
<th:block th:insert="~{fragments/navbar.html :: navbar}"></th:block>
<br /><br />
<div class="container">
<div class="row justify-content-center">
<div class="col-md-12">
<div class="row justify-content-center">
<div class="col-md-3">
<div id="sliders-container" style="display:none;">
<h4><span th:text="#{adjustContrast.contrast}"></span> <span id="contrast-val">100</span>%</h4>
<input type="range" min="0" max="200" value="100" id="contrast-slider" />
<h4>
<span th:text="#{adjustContrast.brightness}"></span> <span id="brightness-val">100</span>%
</h4>
<input type="range" min="0" max="200" value="100" id="brightness-slider" />
<h4><span th:text="#{adjustContrast.brightness}"></span> <span id="brightness-val">100</span>%</h4>
<input type="range" min="0" max="200" value="100" id="brightness-slider" />
<h4>
<span th:text="#{adjustContrast.saturation}"></span> <span id="saturation-val">100</span>%
</h4>
<input type="range" min="0" max="200" value="100" id="saturation-slider" />
</div>
</div>
<div class="col-md-7">
<h2 th:text="#{adjustContrast.header}"></h2>
<div class="col-md-8">
<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf', remoteCall='false')}"></div>
</div>
<br>
<canvas id="contrast-pdf-canvas"></canvas>
<button id="download-button" class="btn btn-primary" th:text="#{adjustContrast.download}"></button>
</div>
</div>
<style>
#flex-container {
display: flex;
align-items: center;
}
#sliders-container {
padding: 0 20px; /* Add some padding to separate sliders from canvas */
}
</style>
<h4><span th:text="#{adjustContrast.saturation}"></span> <span id="saturation-val">100</span>%</h4>
<input type="range" min="0" max="200" value="100" id="saturation-slider" />
</div>
</div>
<div class="col-md-7">
<h2 th:text="#{adjustContrast.header}"></h2>
<div class="col-md-8">
<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf', remoteCall='false')}"></div>
</div>
<br />
<canvas id="contrast-pdf-canvas"></canvas>
<button id="download-button" class="btn btn-primary" th:text="#{adjustContrast.download}"></button>
</div>
</div>
<style>
#flex-container {
display: flex;
align-items: center;
}
#sliders-container {
padding: 0 20px; /* Add some padding to separate sliders from canvas */
}
</style>
<script>
var canvas = document.getElementById('contrast-pdf-canvas');
var context = canvas.getContext('2d');
var originalImageData = null;
var allPages = [];
var pdfDoc = null;
var pdf = null; // This is the current PDF document
<script src="pdfjs/pdf.js"></script>
<script>
var canvas = document.getElementById('contrast-pdf-canvas');
var context = canvas.getContext('2d');
var originalImageData = null;
var allPages = [];
var pdfDoc = null;
var pdf = null; // This is the current PDF document
async function renderPDFAndSaveOriginalImageData(file) {
var fileReader = new FileReader();
fileReader.onload = async function() {
var data = new Uint8Array(this.result);
pdfjsLib.GlobalWorkerOptions.workerSrc = 'pdfjs/pdf.worker.js'
pdf = await pdfjsLib.getDocument({data: data}).promise;
async function renderPDFAndSaveOriginalImageData(file) {
var fileReader = new FileReader();
fileReader.onload = async function() {
var data = new Uint8Array(this.result);
pdfjsLib.GlobalWorkerOptions.workerSrc = 'pdfjs/pdf.worker.js'
pdf = await pdfjsLib.getDocument({data: data}).promise;
// Get the number of pages in the PDF
var numPages = pdf.numPages;
allPages = Array.from({length: numPages}, (_, i) => i + 1);
// Get the number of pages in the PDF
var numPages = pdf.numPages;
allPages = Array.from({length: numPages}, (_, i) => i + 1);
// Create a new PDF document
pdfDoc = await PDFLib.PDFDocument.create();
// Render the first page in the viewer
await renderPageAndAdjustImageProperties(1);
document.getElementById("sliders-container").style.display = "block";
// Create a new PDF document
pdfDoc = await PDFLib.PDFDocument.create();
// Render the first page in the viewer
await renderPageAndAdjustImageProperties(1);
document.getElementById("sliders-container").style.display = "block";
};
fileReader.readAsArrayBuffer(file);
}
};
fileReader.readAsArrayBuffer(file);
}
// This function is now async and returns a promise
function renderPageAndAdjustImageProperties(pageNum) {
// This function is now async and returns a promise
function renderPageAndAdjustImageProperties(pageNum) {
return new Promise(async function(resolve, reject) {
var page = await pdf.getPage(pageNum);
var scale = 1.5;
var viewport = page.getViewport({ scale: scale });
var page = await pdf.getPage(pageNum);
var scale = 1.5;
var viewport = page.getViewport({ scale: scale });
canvas.height = viewport.height;
canvas.width = viewport.width;
canvas.height = viewport.height;
canvas.width = viewport.width;
var renderContext = {
canvasContext: context,
viewport: viewport
};
var renderContext = {
canvasContext: context,
viewport: viewport
};
var renderTask = page.render(renderContext);
renderTask.promise.then(function () {
originalImageData = context.getImageData(0, 0, canvas.width, canvas.height);
adjustImageProperties();
resolve();
});
canvas.classList.add("fixed-shadow-canvas");
var renderTask = page.render(renderContext);
renderTask.promise.then(function () {
originalImageData = context.getImageData(0, 0, canvas.width, canvas.height);
adjustImageProperties();
resolve();
});
canvas.classList.add("fixed-shadow-canvas");
});
}
}
function adjustImageProperties() {
var contrast = parseFloat(document.getElementById('contrast-slider').value);
var brightness = parseFloat(document.getElementById('brightness-slider').value);
var saturation = parseFloat(document.getElementById('saturation-slider').value);
var contrast = parseFloat(document.getElementById('contrast-slider').value);
var brightness = parseFloat(document.getElementById('brightness-slider').value);
var saturation = parseFloat(document.getElementById('saturation-slider').value);
contrast /= 100; // normalize to range [0, 2]
brightness /= 100; // normalize to range [0, 2]
saturation /= 100; // normalize to range [0, 2]
contrast /= 100; // normalize to range [0, 2]
brightness /= 100; // normalize to range [0, 2]
saturation /= 100; // normalize to range [0, 2]
if (originalImageData) {
var newImageData = context.createImageData(originalImageData.width, originalImageData.height);
newImageData.data.set(originalImageData.data);
if (originalImageData) {
var newImageData = context.createImageData(originalImageData.width, originalImageData.height);
newImageData.data.set(originalImageData.data);
for(var i=0; i<newImageData.data.length; i+=4)
{
var r = newImageData.data[i];
var g = newImageData.data[i+1];
var b = newImageData.data[i+2];
// Adjust contrast
r = adjustContrastForPixel(r, contrast);
g = adjustContrastForPixel(g, contrast);
b = adjustContrastForPixel(b, contrast);
// Adjust brightness
r = adjustBrightnessForPixel(r, brightness);
g = adjustBrightnessForPixel(g, brightness);
b = adjustBrightnessForPixel(b, brightness);
// Adjust saturation
var rgb = adjustSaturationForPixel(r, g, b, saturation);
newImageData.data[i] = rgb[0];
newImageData.data[i+1] = rgb[1];
newImageData.data[i+2] = rgb[2];
}
context.putImageData(newImageData, 0, 0);
for(var i=0; i<newImageData.data.length; i+=4) {
var r = newImageData.data[i];
var g = newImageData.data[i+1];
var b = newImageData.data[i+2];
// Adjust contrast
r = adjustContrastForPixel(r, contrast);
g = adjustContrastForPixel(g, contrast);
b = adjustContrastForPixel(b, contrast);
// Adjust brightness
r = adjustBrightnessForPixel(r, brightness);
g = adjustBrightnessForPixel(g, brightness);
b = adjustBrightnessForPixel(b, brightness);
// Adjust saturation
var rgb = adjustSaturationForPixel(r, g, b, saturation);
newImageData.data[i] = rgb[0];
newImageData.data[i+1] = rgb[1];
newImageData.data[i+2] = rgb[2];
}
context.putImageData(newImageData, 0, 0);
}
}
function rgbToHsl(r, g, b) {
r /= 255, g /= 255, b /= 255;
r /= 255, g /= 255, b /= 255;
var max = Math.max(r, g, b), min = Math.min(r, g, b);
var h, s, l = (max + min) / 2;
var max = Math.max(r, g, b), min = Math.min(r, g, b);
var h, s, l = (max + min) / 2;
if (max === min) {
h = s = 0; // achromatic
} else {
var d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
if (max === min) {
h = s = 0; // achromatic
} else {
var d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
switch (max) {
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
case g: h = (b - r) / d + 2; break;
case b: h = (r - g) / d + 4; break;
}
h /= 6;
switch (max) {
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
case g: h = (b - r) / d + 2; break;
case b: h = (r - g) / d + 4; break;
}
return [h, s, l];
h /= 6;
}
function hslToRgb(h, s, l) {
var r, g, b;
return [h, s, l];
}
if (s === 0) {
r = g = b = l; // achromatic
} else {
var hue2rgb = function hue2rgb(p, q, t) {
if (t < 0) t += 1;
if (t > 1) t -= 1;
if (t < 1 / 6) return p + (q - p) * 6 * t;
if (t < 1 / 2) return q;
if (t < 2 / 3) return p + (q - p) * (2 / 3 - t) * 6;
return p;
};
function hslToRgb(h, s, l) {
var r, g, b;
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
var p = 2 * l - q;
if (s === 0) {
r = g = b = l; // achromatic
} else {
var hue2rgb = function hue2rgb(p, q, t) {
if (t < 0) t += 1;
if (t > 1) t -= 1;
if (t < 1 / 6) return p + (q - p) * 6 * t;
if (t < 1 / 2) return q;
if (t < 2 / 3) return p + (q - p) * (2 / 3 - t) * 6;
return p;
};
r = hue2rgb(p, q, h + 1 / 3);
g = hue2rgb(p, q, h);
b = hue2rgb(p, q, h - 1 / 3);
}
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
var p = 2 * l - q;
return [r * 255, g * 255, b * 255];
r = hue2rgb(p, q, h + 1 / 3);
g = hue2rgb(p, q, h);
b = hue2rgb(p, q, h - 1 / 3);
}
function adjustContrastForPixel(pixel, contrast) {
// Normalize to range [-0.5, 0.5]
var normalized = pixel / 255 - 0.5;
return [r * 255, g * 255, b * 255];
}
// Apply contrast
normalized *= contrast;
function adjustContrastForPixel(pixel, contrast) {
// Normalize to range [-0.5, 0.5]
var normalized = pixel / 255 - 0.5;
// Denormalize back to [0, 255]
return (normalized + 0.5) * 255;
}
function clamp(value, min, max) {
return Math.min(Math.max(value, min), max);
// Apply contrast
normalized *= contrast;
// Denormalize back to [0, 255]
return (normalized + 0.5) * 255;
}
function clamp(value, min, max) {
return Math.min(Math.max(value, min), max);
}
function adjustSaturationForPixel(r, g, b, saturation) {
var hsl = rgbToHsl(r, g, b);
// Adjust saturation
hsl[1] = clamp(hsl[1] * saturation, 0, 1);
// Convert back to RGB
var rgb = hslToRgb(hsl[0], hsl[1], hsl[2]);
// Return adjusted RGB values
return rgb;
}
function adjustBrightnessForPixel(pixel, brightness) {
return Math.max(0, Math.min(255, pixel * brightness));
}
async function downloadPDF() {
for (var i = 0; i < allPages.length; i++) {
await renderPageAndAdjustImageProperties(allPages[i]);
const pngImageBytes = canvas.toDataURL('image/png');
const pngImage = await pdfDoc.embedPng(pngImageBytes);
const pngDims = pngImage.scale(1);
// Create a blank page matching the dimensions of the image
const page = pdfDoc.addPage([pngDims.width, pngDims.height]);
// Draw the PNG image
page.drawImage(pngImage, {
x: 0,
y: 0,
width: pngDims.width,
height: pngDims.height
});
}
function adjustSaturationForPixel(r, g, b, saturation) {
var hsl = rgbToHsl(r, g, b);
// Serialize the PDFDocument to bytes (a Uint8Array)
const pdfBytes = await pdfDoc.save();
// Adjust saturation
hsl[1] = clamp(hsl[1] * saturation, 0, 1);
// Create a Blob
const blob = new Blob([pdfBytes.buffer], {type: "application/pdf"});
// Convert back to RGB
var rgb = hslToRgb(hsl[0], hsl[1], hsl[2]);
// Create download link
const downloadLink = document.createElement('a');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = "download.pdf";
downloadLink.click();
// Return adjusted RGB values
return rgb;
}
function adjustBrightnessForPixel(pixel, brightness) {
return Math.max(0, Math.min(255, pixel * brightness));
}
async function downloadPDF() {
for (var i = 0; i < allPages.length; i++) {
await renderPageAndAdjustImageProperties(allPages[i]);
const pngImageBytes = canvas.toDataURL('image/png');
const pngImage = await pdfDoc.embedPng(pngImageBytes);
const pngDims = pngImage.scale(1);
// Create a blank page matching the dimensions of the image
const page = pdfDoc.addPage([pngDims.width, pngDims.height]);
// Draw the PNG image
page.drawImage(pngImage, {
x: 0,
y: 0,
width: pngDims.width,
height: pngDims.height
});
}
// Serialize the PDFDocument to bytes (a Uint8Array)
const pdfBytes = await pdfDoc.save();
// Create a Blob
const blob = new Blob([pdfBytes.buffer], {type: "application/pdf"});
// Create download link
const downloadLink = document.createElement('a');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = "download.pdf";
downloadLink.click();
// After download, reset the viewer and clear stored data
allPages = []; // Clear the pages
originalImageData = null; // Clear the image data
// Go back to page 1 and render it in the viewer
if (pdf !== null) {
renderPageAndAdjustImageProperties(1);
}
// After download, reset the viewer and clear stored data
allPages = []; // Clear the pages
originalImageData = null; // Clear the image data
// Go back to page 1 and render it in the viewer
if (pdf !== null) {
renderPageAndAdjustImageProperties(1);
}
}
// Event listeners
document.getElementById('fileInput-input').addEventListener('change', function(e) {
@ -294,14 +282,14 @@
});
document.getElementById('download-button').addEventListener('click', function() {
downloadPDF();
});
downloadPDF();
});
</script>
</div>
</div>
</div>
</div>
<th:block th:insert="~{fragments/footer.html :: footer}"></th:block>
</div>
<th:block th:insert="~{fragments/footer.html :: footer}"></th:block>
</div>
</body>
</body>
</html>

10
src/main/resources/templates/misc/compare.html
View File

@ -4,11 +4,11 @@
<th:block th:insert="~{fragments/common :: head(title=#{compare.title}, header=#{compare.header})}"></th:block>
<style>
.result-column {
border: 1px solid #ccc;
padding: 15px;
overflow-y: auto;
height: calc(100vh - 400px);
white-space: pre-wrap;
border: 1px solid #ccc;
padding: 15px;
overflow-y: auto;
height: calc(100vh - 400px);
white-space: pre-wrap;
}
</style>
</head>

2
src/main/resources/templates/misc/extract-images.html
View File

@ -5,7 +5,7 @@
</head>
<body>
<th:block th:insert="~{fragments/common :: game}"></th:block>
<th:block th:insert="~{fragments/common :: game}"></th:block>
<div id="page-container">
<div id="content-wrap">
<th:block th:insert="~{fragments/navbar.html :: navbar}"></th:block>

28
src/main/resources/templates/misc/flatten.html
View File

@ -21,26 +21,26 @@
<script src="js/local-pdf-input-download.js"></script>
<script>
document.getElementById('pdfForm').addEventListener('submit', async (e) => {
e.preventDefault();
e.preventDefault();
const { PDFDocument } = PDFLib;
const { PDFDocument } = PDFLib;
const processFile = async (file) => {
const origFileUrl = URL.createObjectURL(file);
const formPdfBytes = await fetch(origFileUrl).then(res => res.arrayBuffer());
const pdfDoc = await PDFDocument.load(formPdfBytes, { ignoreEncryption: true });
const processFile = async (file) => {
const origFileUrl = URL.createObjectURL(file);
const formPdfBytes = await fetch(origFileUrl).then(res => res.arrayBuffer());
const pdfDoc = await PDFDocument.load(formPdfBytes, { ignoreEncryption: true });
const form = pdfDoc.getForm();
form.flatten();
const form = pdfDoc.getForm();
form.flatten();
const pdfBytes = await pdfDoc.save();
const pdfBlob = new Blob([pdfBytes], { type: 'application/pdf' });
const fileName = (file.name ? file.name.replace('.pdf', '') : 'pdf') + '_flattened.pdf';
const pdfBytes = await pdfDoc.save();
const pdfBlob = new Blob([pdfBytes], { type: 'application/pdf' });
const fileName = (file.name ? file.name.replace('.pdf', '') : 'pdf') + '_flattened.pdf';
return { processedData: pdfBlob, fileName };
};
return { processedData: pdfBlob, fileName };
};
await downloadFilesWithCallback(processFile);
await downloadFilesWithCallback(processFile);
});
</script>
</form>

8
src/main/resources/templates/view-pdf.html
View File

@ -32,11 +32,11 @@ See https://github.com/adobe-type-tools/cmap-resources
<script src="js/thirdParty/bootstrap.min.js"></script>
<!-- This snippet is used in production (included from view-pdf.html) -->
<link rel="resource" type="application/l10n" href="pdfjs/locale/locale.properties">
<script src="pdfjs/pdf.js"></script>
<link rel="resource" type="application/l10n" th:href="@{pdfjs/locale/locale.properties}">
<script th:src="@{pdfjs/pdf.js}" type="module"></script>
<link rel="stylesheet" href="pdfjs/css/viewer.css">
<script src="pdfjs/js/viewer.js"></script>
<link rel="stylesheet" th:href="@{/pdfjs/css/viewer.css}">
<script th:src="@{pdfjs/js/viewer.js}" type="module"></script>
</head>
<body tabindex="1">