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mirror of https://github.com/Stirling-Tools/Stirling-PDF.git synced 2024-06-30 22:50:11 +02:00

init home for toher featues

This commit is contained in:
Anthony Stirling 2023-05-08 22:55:01 +01:00
parent a9e22947ef
commit 28faf3888c
9 changed files with 197 additions and 83 deletions

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@ -24,6 +24,8 @@ Feel free to request any features or bug fixes either in github issues or our [D
- Add/Generate signatures
- Flatten PDFs
- Repair PDFs
- Detect and remove blank pages
- Compare 2 PDFs and show differences in text
- Add images to PDFs
- Rotating PDFs in 90 degree increments.
- Compressing PDFs to decrease their filesize. (Using OCRMyPDF)
@ -77,10 +79,12 @@ docker run -d \
frooodle/s-pdf
Can also add these for customisation
Can also add these for customisation but are not required
-e APP_HOME_NAME="Stirling PDF" \
-e APP_HOME_DESCRIPTION="Your locally hosted one-stop-shop for all your PDF needs." \
-e APP_NAVBAR_NAME="Stirling PDF" \
-e ALLOW_GOOGLE_VISABILITY="true" \
-e APP_LOCALE="en_GB" \
```
Docker Compose
```
@ -94,9 +98,11 @@ services:
- /location/of/trainingData:/usr/share/tesseract-ocr/4.00/tessdata #Required for extra OCR languages
# - /location/of/extraConfigs:/configs
# environment:
# APP_LOCALE: en_GB
# APP_HOME_NAME: Stirling PDF
# APP_HOME_DESCRIPTION: Your locally hosted one-stop-shop for all your PDF needs.
# APP_NAVBAR_NAME: Stirling PDF
# ALLOW_GOOGLE_VISABILITY: true
```
@ -122,7 +128,9 @@ Stirling PDF allows easy customization of the visible application name.
Simply use environment variables APP_HOME_NAME, APP_HOME_DESCRIPTION and APP_NAVBAR_NAME with Docker or Java.
If running Java directly, you can also pass these as properties using -D arguments.
Using the same method you can also change the default language by providing APP_LOCALE with values like de-DE fr-FR or ar-AR to select your default language (Will always default to English on invalid locale)
Using the same method you can also change
- The default language by providing APP_LOCALE with values like de-DE fr-FR or ar-AR to select your default language (Will always default to English on invalid locale)
- Enable/Disable search engine visablility with ALLOW_GOOGLE_VISABILITY with true / false values. Default disable visability.
## API
For those wanting to use Stirling-PDFs backend API to link with their own custom scripting to edit PDFs you can view all existing API documentation

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@ -30,8 +30,9 @@ public class BlankPageController {
@PostMapping(consumes = "multipart/form-data", value = "/remove-blanks")
public ResponseEntity<byte[]> removeBlankPages(@RequestPart(required = true, value = "fileInput") MultipartFile inputFile) throws IOException, InterruptedException {
PDDocument document = null;
try {
PDDocument document = PDDocument.load(inputFile.getInputStream());
document = PDDocument.load(inputFile.getInputStream());
PDPageTree pages = document.getDocumentCatalog().getPages();
PDFTextStripper textStripper = new PDFTextStripper();
@ -67,7 +68,7 @@ public class BlankPageController {
BufferedImage image = pdfRenderer.renderImageWithDPI(i - 1, 300);
ImageIO.write(image, "png", tempFile.toFile());
List<String> command = new ArrayList<>(Arrays.asList("python3", "./scripts/detect-blank-pages.py", tempFile.toString()));
List<String> command = new ArrayList<>(Arrays.asList("python3", System.getProperty("user.dir") + "scripts/detect-blank-pages.py", tempFile.toString()));
// Run CLI command
int returnCode = ProcessExecutor.getInstance(ProcessExecutor.Processes.PYTHON_OPENCV).runCommandWithOutputHandling(command);
@ -81,12 +82,15 @@ public class BlankPageController {
}
document.close();
return PdfUtils.pdfDocToWebResponse(outputDocument, inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_blanksRemoved.pdf");
} catch (IOException e) {
e.printStackTrace();
return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
} finally {
if(document != null)
document.close();
}
}

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@ -84,9 +84,9 @@ public class GeneralWebController {
if (allowGoogleVisibility == null)
allowGoogleVisibility = System.getenv("ALLOW_GOOGLE_VISABILITY");
if (allowGoogleVisibility == null)
allowGoogleVisibility = "true";
allowGoogleVisibility = "false";
if (Boolean.parseBoolean(allowGoogleVisibility)) {
return "User-agent: Googlebot\nAllow: /\n\nUser-agent: *\nDisallow: /";
return "User-agent: Googlebot\nAllow: /\n\nUser-agent: *\nAllow: /";
} else {
return "User-agent: Googlebot\nDisallow: /\n\nUser-agent: *\nDisallow: /";
}

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@ -117,6 +117,12 @@ home.flatten.desc=Remove all interactive elements and forms from a PDF
home.repair.title=Repair
home.repair.desc=Tries to repair a corrupt/broken PDF
home.removeBlanks.title=Remove Blank pages
home.removeBlanks.desc=Detects and removes blank pages from a document
home.compare.title=Compare
home.compare.desc=Compares and shows the differences between 2 PDF Documents
downloadPdf=Download PDF
text=Text
font=Font

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@ -0,0 +1,3 @@
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@ -0,0 +1,94 @@
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@ -112,8 +112,8 @@ filter: invert(0.2) sepia(2) saturate(50) hue-rotate(190deg);
<div th:replace="~{fragments/card :: card(cardTitle=#{home.flatten.title}, cardText=#{home.flatten.desc}, cardLink='flatten', svgPath='images/flatten.svg')}"></div>
<div th:replace="~{fragments/card :: card(cardTitle=#{home.repair.title}, cardText=#{home.repair.desc}, cardLink='repair', svgPath='images/wrench.svg')}"></div>
<div th:replace="~{fragments/card :: card(cardTitle=#{home.removeBlanks.title}, cardText=#{home.removeBlanks.desc}, cardLink='remove-blanks', svgPath='images/wrench.svg')}"></div>
<div th:replace="~{fragments/card :: card(cardTitle=#{home.compare.title}, cardText=#{home.compare.desc}, cardLink='compare', svgPath='images/wrench.svg')}"></div>
<div th:replace="~{fragments/card :: card(cardTitle=#{home.removeBlanks.title}, cardText=#{home.removeBlanks.desc}, cardLink='remove-blanks', svgPath='images/blank-file.svg')}"></div>
<div th:replace="~{fragments/card :: card(cardTitle=#{home.compare.title}, cardText=#{home.compare.desc}, cardLink='compare', svgPath='images/scales.svg')}"></div>
</div>
</div>
<div th:insert="~{fragments/footer.html :: footer}"></div>

View File

@ -18,7 +18,25 @@
<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
<div th:replace="~{fragments/common :: fileSelector(name='fileInput2', multiple=false, accept='application/pdf')}"></div>
<button onclick="comparePDFs()">Compare</button>
<div id="result"></div>
<div class="row">
<div class="col-md-6">
<h3>Document 1</h3>
<div id="result1" class="result-column"></div>
</div>
<div class="col-md-6">
<h3>Document 2</h3>
<div id="result2" class="result-column"></div>
</div>
</div>
<style>
.result-column {
border: 1px solid #ccc;
padding: 15px;
overflow-y: scroll;
height: 400px;
white-space: pre-wrap;
}
</style>
<script>
async function comparePDFs() {
const file1 = document.getElementById("fileInput-input").files[0];
@ -40,9 +58,9 @@
const page = await pdf.getPage(i);
const content = await page.getTextContent();
const strings = content.items.map(item => item.str);
pages.push(strings.join(""));
pages.push(strings.join(" "));
}
return pages.join("\n");
return pages.join(" ");
};
const [text1, text2] = await Promise.all([
@ -50,86 +68,67 @@
extractText(pdf2)
]);
if (text1.trim() === "" || text2.trim() === "") {
alert("One or both of the selected PDFs have no text content. Please choose PDFs with text for comparison.");
return;
}
const diff = (text1, text2) => {
const lines1 = text1.split("\n");
const lines2 = text2.split("\n");
const result = [];
let i = 0, j = 0;
while (i < lines1.length || j < lines2.length) {
console.log(`lines1[${i}]='${lines1[i]}', lines2[${j}]='${lines2[j]}'`);
console.log(`i=${i}, j=${j}`);
if (lines1[i] === lines2[j]) {
result.push([i, j, lines1[i]]);
i++;
j++;
console.log(`i=${i}, j=${j}`);
} else {
let k = i, l = j;
while (k < lines1.length && l < lines2.length && lines1[k] !== lines2[l]) {
k++;
l++;
}
for (let x = i; x < k; x++) {
result.push([x, -1, lines1[x]]);
}
for (let y = j; y < l; y++) {
result.push([-1, y, lines2[y]]);
}
i = k;
j = l;
}
}
return result;
// ... Keep the same diff function from the previous response ...
};
const differences = diff(text1, text2);
const highlightDifferences = async (pdf, differences) => {
for (const difference of differences) {
const [pageIndex, lineIndex, lineText] = difference;
if (lineIndex === -1) {
continue;
}
console.log(pageIndex);
const page = await pdf.getPage(pageIndex);
const viewport = page.getViewport({ scale: 1 });
const [left,top] = viewport.convertToViewportPoint(0, lineIndex * 20);
const [right, bottom] = viewport.convertToViewportPoint(500, (lineIndex + 1) * 20);
const annotation = {
type: "Highlight",
rect: [left, top, right - left, bottom - top],
color: [255, 255, 0],
opacity: 0.5,
quadPoints:
[
left, top, right, top, right, bottom, left, bottom
]
};
await page.addAnnotation(annotation);
const displayDifferences = (differences) => {
const resultDiv1 = document.getElementById("result1");
const resultDiv2 = document.getElementById("result2");
resultDiv1.innerHTML = "";
resultDiv2.innerHTML = "";
const message = `Difference found in page ${pageIndex }, line ${lineIndex + 1}: ${lineText}`;
const p = document.createElement("p");
p.textContent = message;
document.getElementById("result").appendChild(p);
let doc1Pointer = 0;
let doc2Pointer = 0;
differences.forEach(([color, word]) => {
const span1 = document.createElement("span");
const span2 = document.createElement("span");
if (color === "green") {
span1.style.color = color;
span1.textContent = word;
resultDiv1.appendChild(span1);
doc1Pointer++;
} else if (color === "red") {
span2.style.color = color;
span2.textContent = word;
resultDiv2.appendChild(span2);
doc2Pointer++;
} else {
span1.style.color = color;
span1.textContent = word;
resultDiv1.appendChild(span1);
doc1Pointer++;
span2.style.color = color;
span2.textContent = word;
resultDiv2.appendChild(span2);
doc2Pointer++;
}
};
await highlightDifferences(pdf1, differences);
}
</script>
// Add space after each word
const space1 = document.createElement("span");
const space2 = document.createElement("span");
space1.textContent = " ";
space2.textContent = " ";
resultDiv1.appendChild(space1);
resultDiv2.appendChild(space2);
});
return result;
};
console.log('Differences:', differences);
displayDifferences(differences);
}
</script>
</div>
</div>
</div>
</div>
<div th:insert="~{fragments/footer.html :: footer}"></div>
</div>
</body>
</html>