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example_worker.html
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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta charset="UTF-8">
<title>Aspose.PDF for JavaScript via C++</title>
</head>
<body style="background-color:#2871e6;font-family:Arial;margin:auto">
<div id="ASPOSE" style="overflow:auto">
<div style="float:left;margin-left:8px;margin-top:8px">
<img src="favicon.ico" alt="ASPOSE" width="32px" height="32px"/>
</div>
<div style="float:left;margin-left:8px;margin-top:8px">
<label id="AsposeTitle" style="color:white;font:bold 32px Arial">Aspose.PDF for JavaScript via C++</label>
</div>
<div style="border-top: 48px solid #000"></div>
</div>
<div style="margin-left:8px;margin-right:8px;margin-top:8px;margin-bottom:8px">
<progress id="working" style="width:100%;accent-color:#6ed924"></progress>
<br>
<label style="color:white" for="selectOperation">Select operation: </label>
<select id="selectOperation" value="AsposePdfExtractText" disabled onChange="changeOperation(event);">
<optgroup label="Convert from PDF">
<option value="AsposePdfPagesToJpg">Convert a PDF-file to JPG</option>
<option value="AsposePdfPagesToPng">Convert a PDF-file to PNG</option>
<option value="AsposePdfPagesToTiff">Convert a PDF-file to TIFF</option>
<option value="AsposePdfPagesToBmp">Convert a PDF-file to BMP</option>
<option value="AsposePdfPagesToDICOM">Convert a PDF-file to DICOM</option>
<option value="AsposePdfPagesToSvg">Convert a PDF-file to SVG</option>
<option value="AsposePdfPagesToSvgZip">Convert a PDF-file to SVG(zip)</option>
<option value="AsposePdfPagesToPDF">Convert a PDF-file to PDF (separate pages)</option>
<option value="AsposePdfToTeX">Convert a PDF-file to TeX</option>
<option value="AsposePdfToXps">Convert a PDF-file to Xps</option>
<option value="AsposePdfTablesToCSV">Convert a PDF-file to CSV (extract tables)</option>
<option value="AsposePdfToTxt">Convert a PDF-file to Txt</option>
<option value="AsposePdfConvertToGrayscale">Convert a PDF-file to grayscale</option>
<option value="AsposePdfConvertToPDFA">Convert a PDF-file to PDF/A</option>
<option value="AsposePdfAConvertToPDF">Convert a PDF/A-file to PDF</option>
<option value="AsposePdfToDocX">Convert a PDF-file to DocX</option>
<option value="AsposePdfToXlsX">Convert a PDF-file to XlsX</option>
<option value="AsposePdfToEPUB">Convert a PDF-file to ePub</option>
<option value="AsposePdfToDoc">Convert a PDF-file to Doc</option>
<option value="AsposePdfToPptX">Convert a PDF-file to PptX</option>
<option value="AsposePdfExtractText" selected>Extract text from a PDF-file</option>
<option value="AsposePdfExtractImage">Extract image from a PDF-file</option>
<option value="AsposePdfExportFdf">Export from a PDF-file with AcroForm to FDF</option>
<option value="AsposePdfExportXfdf">Export from a PDF-file with AcroForm to XFDF</option>
<option value="AsposePdfExportXml">Export from a PDF-file with AcroForm to XML</option>
<optgroup label="Convert to PDF">
<option value="AsposePdfFromTxt">Convert a TXT-file to PDF</option>
<option value="AsposePdfFromImage">Convert a Image-file to PDF</option>
<optgroup label="Organize PDF">
<option value="AsposePdfOptimize">Optimize a PDF-file</option>
<option value="AsposePdfMerge2Files">Merge two PDF-files</option>
<option value="AsposePdfSplit2Files">Split to two PDF-files</option>
<option value="AsposePdfRotateAllPages">Rotate PDF-pages</option>
<option value="AsposePdfDeletePages">Delete pages from a PDF-file</option>
<option value="AsposePdfAddStamp">Add stamp to a PDF-file</option>
<option value="AsposePdfAddImage">Add an image to end a PDF-file</option>
<option value="AsposePdfAddPageNum">Add page number to a PDF-file</option>
<option value="AsposePdfAddBackgroundImage">Add background image to a PDF-file</option>
<option value="AsposePdfAddTextHeaderFooter">Add text in Header/Footer of a PDF-file</option>
<option value="AsposePdfRepair">Repair a PDF-file</option>
<option value="AsposePdfOptimizeResource">Optimize resources of PDF-file</option>
<option value="AsposePdfSetBackgroundColor">Set the background color for the PDF-file</option>
<option value="AsposePdfDeleteAnnotations">Delete annotations from a PDF-file</option>
<option value="AsposePdfDeleteBookmarks">Delete bookmarks from a PDF-file</option>
<option value="AsposePdfDeleteAttachments">Delete attachments from a PDF-file</option>
<option value="AsposePdfDeleteImages">Delete images from a PDF-file</option>
<option value="AsposePdfDeleteJavaScripts">Delete JavaScripts from a PDF-file</option>
<option value="AsposePdfAddAttachment">Add attachment to a PDF-file</option>
<option value="AsposePdfGetAttachment">Get attachment from a PDF-file</option>
<option value="AsposePdfReplaceText">Replace text in a PDF-file</option>
<option value="AsposePdfReplaceTextPages">Replace text on pages in a PDF-file</option>
<option value="AsposePdfFindText">Find text in a PDF-file</option>
<option value="AsposePdfReplaceFont">Replace font in a PDF-file</option>
<option value="AsposePdfValidatePDFA">Validate PDF/A compatibility a PDF-file</option>
<option value="AsposePdfFindHiddenText">Find hidden text in a PDF-file</option>
<option value="AsposePdfDeleteHiddenText">Delete hidden text from a PDF-file</option>
<option value="AsposePdfAddWatermark">Add watermark to a PDF-file</option>
<option value="AsposePdfDeleteWatermarks">Delete watermarks from a PDF-file</option>
<option value="AsposePdfMergeLayers">Merge layers a PDF-file</option>
<option value="AsposePdfFlatten">Flatten a PDF-file</option>
<option value="AsposePdfMakeBooklet">Make booklet from a PDF-file</option>
<option value="AsposePdfMakeNUp">Make N-Up document from a PDF-file</option>
<option value="AsposePdfDeleteBlankPages">Delete blank pages from a PDF-file</option>
<optgroup label="Metadata PDF">
<option value="AsposePdfSetInfo">Set info (metadata) in a PDF-file</option>
<option value="AsposePdfGetInfo">Get info (metadata) from a PDF-file</option>
<option value="AsposePdfGetAllFonts">Get list fonts from a PDF-file</option>
<option value="AsposePdfRemoveMetadata">Remove metadata from a PDF-file</option>
<option value="AsposePdfGetWordsCharactersCount">Get words and characters count in a PDF-file</option>
<option value="AsposePdfGetPagesLayers">Get list layers from a PDF-file</option>
<optgroup label="Security PDF">
<option value="AsposePdfEncrypt">Encrypt a PDF-file</option>
<option value="AsposePdfDecrypt">Decrypt a PDF-file</option>
<option value="AsposePdfSignPKCS7">Sign a PDF-file with digital signatures</option>
<option value="AsposePdfChangePassword">Change passwords of the PDF-file</option>
</select>
<input type="file" id="fileOperation" accept="application/pdf" disabled onChange="ffileOperation(event);">
<br>
<pre id="output" style="width:100%;background-color:#fbeeee;border-radius:4px"></pre>
<br>
<div id="fileDownload" style="width:100%;background-color:#eff9e8;border-radius:4px"></div>
</div>
</body>
<script type="text/javascript">
// Create Web Worker
const AsposePDFWebWorker = new Worker("AsposePDFforJS.js");
AsposePDFWebWorker.onerror = function (evt) { console.log(`Error from Web Worker: ${evt.message}`); }
AsposePDFWebWorker.onmessage = function (evt) {
if (evt.data == 'ready') {
document.getElementById('output').textContent = 'loaded!';
// uploading additional files to Web Worker (AsposePdfPrepare must be used):
// option #1
// 'Aspose.jpg' already loaded, see settings in 'settings.json'
// option #2
const UploadFileToWebWorker = (base64, filename) => fetch(base64).then(res => res.arrayBuffer()).then(buffer => fileProcess('AsposePdfPrepare', new File([new Uint8Array(buffer)], filename)));
// key PKCS7 for test, converted to Base64, with "Pa$$w0rd2023" password
const test_pfx = "data:application/octet-stream;base64,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";
UploadFileToWebWorker(test_pfx, 'test.pfx');
// sign picture, signatureAppearance, converted to Base64
const sign_png ="data:image/png;base64,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";
UploadFileToWebWorker(sign_png, 'sign.png');
// attachment: text, converted to Base64
const text_txt ="data:text/plain;base64,V2VsY29tZSB0byBBc3Bvc2UuUERGIGZvciBKYXZhU2NyaXB0IHZpYSBDKys=";
UploadFileToWebWorker(text_txt,'text.txt');
//Get info about Product - Ask Web Worker
AsposePDFWebWorker.postMessage({ "operation": "AsposePdfAbout", "params": [] }, []);
}
else {
const json = evt.data.json;
const operation = evt.data.operation;
const params = evt.data.params;
if (json.errorCode == 0) {
if (operation !== 'AsposePdfPrepare') document.getElementById('output').textContent = "completed!";
document.getElementById('fileDownload').innerHTML = "";
// peculiar properties
switch (operation) {
case 'AsposePdfAbout':
document.getElementById('AsposeTitle').innerHTML = json.producer;
document.getElementById('output').textContent = "Product : " + json.product
+ "\nFamily : " + json.family
+ "\nVersion : " + json.version
+ "\nRelease date : " + json.releasedate
+ "\nProducer : " + json.producer
+ "\nIs licensed : " + json.islicensed;
break;
case 'AsposePdfPrepare':
// if 'optdata' is Array
// perform 'operation' on the first element of 'optdata'
// and pass the remaining elements
// if 'optdata' length is 1 then need to perform the final operation
// after set 'additional_data'
if (Array.isArray(json.optdata) && (json.optdata.length > 0)) {
const next_operation = json.optdata[0].operation;
const next_file = json.optdata[0].file;
const additional_data = new Map([
['AsposePdfMerge2Files', {"fileName2": json.fileNameResult}]
]);
fileProcess(next_operation, next_file, (json.optdata.length > 1) ? json.optdata.slice(1) : additional_data.get(next_operation));
}
break;
case 'AsposePdfExtractText':
document.getElementById('output').textContent = json.extractText;
break;
case 'AsposePdfGetWordsCharactersCount':
document.getElementById('output').textContent = "Words count : " + json.words + "\nCharacters count : " + json.characters;
break;
case 'AsposePdfGetAllFonts':
let listFonts = 'Fonts:';
json.fonts.forEach(({fontName}) => listFonts += `\n${fontName}`);
document.getElementById('output').textContent = listFonts;
break;
case 'AsposePdfGetPagesLayers':
document.getElementById('output').textContent = 'Layers:\n' + json.pagesLayers.map((layer, index) => `page #${index + 1}: ${layer.join('; ')}`).join('\n');
break;
case 'AsposePdfFindText':
case 'AsposePdfFindHiddenText':
let listFragments= 'textFragments:';
json.textFragments.forEach(({text, xIndent, yIndent, fontName, fontSize}) => listFragments+= `\ntext: ${text}, xIndent: ${xIndent}, yIndent: ${yIndent}, fontName: ${fontName}, fontSize: ${fontSize}`);
document.getElementById('output').textContent = listFragments;
break;
case 'AsposePdfGetInfo':
document.getElementById('output').textContent = "Title : " + json.title
+ "\nCreator : " + json.creator
+ "\nAuthor : " + json.author
+ "\nSubject : " + json.subject
+ "\nKeywords : " + json.keywords
+ "\nCreation Date : " + json.creation
+ "\nModify Date : " + json.mod
+ "\nPDF format : " + json.format
+ "\nPDF version : " + json.version
+ "\nPDF is PDF/A : " + json.ispdfa
+ "\nPDF is PDF/UA : " + json.ispdfua
+ "\nPDF is linearized : " + json.islinearized
+ "\nPDF is encrypted : " + json.isencrypted
+ "\nPDF permission : " + json.permission
+ "\nPDF page size : " + json.size
+ "\nPage count : " + json.pagecount
+ "\nAnnotation count : " + json.annotationcount
+ "\nBookmark count : " + json.bookmarkcount
+ "\nAttachment count : " + json.attachmentcount
+ "\nMetadata count : " + json.metadatacount
+ "\nJavaScript count : " + json.javascriptcount
+ "\nImage count : " + json.imagecount;
break;
case 'AsposePdfPagesToJpg':
document.getElementById('output').textContent = "Files(pages) count: " + json.filesCount.toString();
for (let fileIndex = 0; fileIndex < json.filesCount; fileIndex++)
DownloadFile(json.filesNameResult[fileIndex], "image/jpeg", params[fileIndex]);
break;
case 'AsposePdfPagesToPng':
document.getElementById('output').textContent = "Files(pages) count: " + json.filesCount.toString();
for (let fileIndex = 0; fileIndex < json.filesCount; fileIndex++)
DownloadFile(json.filesNameResult[fileIndex], "image/png", params[fileIndex]);
break;
case 'AsposePdfPagesToSvg':
document.getElementById('output').textContent = "Files(pages) count: " + json.filesCount.toString();
for (let fileIndex = 0; fileIndex < json.filesCount; fileIndex++)
DownloadFile(json.filesNameResult[fileIndex], "image/svg", params[fileIndex]);
break;
case 'AsposePdfPagesToSvgZip':
DownloadFile(json.fileNameResult, "application/zip", params[0]);
break;
case 'AsposePdfPagesToTiff':
document.getElementById('output').textContent = "Files(pages) count: " + json.filesCount.toString();
for (let fileIndex = 0; fileIndex < json.filesCount; fileIndex++)
DownloadFile(json.filesNameResult[fileIndex], "image/tiff", params[fileIndex]);
break;
case 'AsposePdfPagesToBmp':
document.getElementById('output').textContent = "Files(pages) count: " + json.filesCount.toString();
for (let fileIndex = 0; fileIndex < json.filesCount; fileIndex++)
DownloadFile(json.filesNameResult[fileIndex], "image/bmp", params[fileIndex]);
break;
case 'AsposePdfPagesToDICOM':
document.getElementById('output').textContent = "Files(pages) count: " + json.filesCount.toString();
for (let fileIndex = 0; fileIndex < json.filesCount; fileIndex++)
DownloadFile(json.filesNameResult[fileIndex], "application/dicom", params[fileIndex]);
break;
case 'AsposePdfSplit2Files':
DownloadFile(json.fileNameResult1, "application/pdf", params[0]);
DownloadFile(json.fileNameResult2, "application/pdf", params[1]);
break;
case 'AsposePdfConvertToPDFA':
DownloadFile(json.fileNameResult, "application/pdf", params[0]);
DownloadFile(json.fileNameLogResult, "application/xml", params[1]);
break;
case 'AsposePdfToDocX':
DownloadFile(json.fileNameResult, "application/vnd.openxmlformats-officedocument.wordprocessingml.document", params[0]);
break;
case 'AsposePdfToXlsX':
DownloadFile(json.fileNameResult, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", params[0]);
break;
case 'AsposePdfToTeX':
DownloadFile(json.fileNameResult, "application/x-tex", params[0]);
break;
case 'AsposePdfToXps':
DownloadFile(json.fileNameResult, "application/vnd.ms-xpsdocument", params[0]);
break;
case 'AsposePdfToTxt':
DownloadFile(json.fileNameResult, "text/plain", params[0]);
break;
case 'AsposePdfTablesToCSV':
document.getElementById('output').textContent = "Files(tables) count: " + json.filesCount.toString();
for (let fileIndex = 0; fileIndex < json.filesCount; fileIndex++)
DownloadFile(json.filesNameResult[fileIndex], "text/csv", params[fileIndex]);
break;
case 'AsposePdfExtractImage':
document.getElementById('output').textContent = "Files(images) count: " + json.filesCount.toString();
for (let fileIndex = 0; fileIndex < json.filesCount; fileIndex++)
DownloadFile(json.filesNameResult[fileIndex], "image/jpeg", params[fileIndex]);
break;
case 'AsposePdfGetAttachment':
document.getElementById('output').textContent = "Files(attachment) count: " + json.filesCount.toString();
for (let fileIndex = 0; fileIndex < json.filesCount; fileIndex++)
DownloadFile(json.filesNameResult[fileIndex], "", params[fileIndex]);
break;
case 'AsposePdfToEPUB':
DownloadFile(json.fileNameResult, "application/epub+zip", params[0]);
break;
case 'AsposePdfToDoc':
DownloadFile(json.fileNameResult, "application/msword", params[0]);
break;
case 'AsposePdfToPptX':
DownloadFile(json.fileNameResult, "application/vnd.openxmlformats-officedocument.presentationml.presentation", params[0]);
break;
case 'AsposePdfExportFdf':
DownloadFile(json.fileNameResult, "application/vnd.fdf", params[0]);
break;
case 'AsposePdfExportXfdf':
DownloadFile(json.fileNameResult, "application/vnd.adobe.xfdf", params[0]);
break;
case 'AsposePdfExportXml':
case 'AsposePdfValidatePDFA':
DownloadFile(json.fileNameResult, "application/xml", params[0]);
break;
case 'AsposePdfPagesToPDF':
document.getElementById('output').textContent = "Files(pages) count: " + json.filesCount.toString();
for (let fileIndex = 0; fileIndex < json.filesCount; fileIndex++)
DownloadFile(json.filesNameResult[fileIndex], "application/pdf", params[fileIndex]);
break;
default:
// AsposePdfAConvertToPDF, AsposePdfAddBackgroundImage, AsposePdfAddImage, AsposePdfAddPageNum,
// AsposePdfAddStamp, AsposePdfAddTextHeaderFooter, AsposePdfConvertToGrayscale, AsposePdfDecrypt,
// AsposePdfDeletePages, AsposePdfEncrypt, AsposePdfMerge2Files, AsposePdfOptimize,
// AsposePdfRotateAllPages, AsposePdfSetInfo, AsposePdfSignPKCS7,
// AsposePdfRemoveMetadata, AsposePdfChangePassword, AsposePdfOptimizeResource,
// AsposePdfSetBackgroundColor, AsposePdfDeleteAnnotations, AsposePdfDeleteBookmarks,
// AsposePdfDeleteAttachments, AsposePdfDeleteImages, AsposePdfDeleteJavaScripts,
// AsposePdfFromTxt, AsposePdfAddAttachment, AsposePdfReplaceText, AsposePdfFromImage,
// AsposePdfReplaceFont, AsposePdfDeleteHiddenText, AsposePdfAddWatermark, AsposePdfDeleteWatermarks,
// AsposePdfMergeLayers, AsposePdfFlatten, AsposePdfReplaceTextPages, AsposePdfMakeBooklet,
// AsposePdfMakeNUp, AsposePdfDeleteBlankPages
DownloadFile(json.fileNameResult, "application/pdf", params[0]);
}
}
else document.getElementById('output').textContent = `Error: ${json.errorText}`;
}
SetProgress();
}
//
const fileProcess = function (operation, ffile, optdata) {
const file_reader = new FileReader();
file_reader.onload = (event) => {
SetProgress("Processing:");
// params for function
let params = [];
let transfer = [];
// peculiar properties for operation
switch (operation) {
case 'AsposePdfAbout':
break;
case 'AsposePdfPrepare':
transfer = [event.target.result];
params = [event.target.result, ffile.name, optdata];
break;
case 'AsposePdfExtractText':
case 'AsposePdfGetInfo':
case 'AsposePdfGetAllFonts':
case 'AsposePdfGetWordsCharactersCount':
case 'AsposePdfGetPagesLayers':
transfer = [event.target.result];
params = [event.target.result, ffile.name];
break;
case 'AsposePdfToDocX':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.docx`];
break;
case 'AsposePdfToXlsX':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.xlsx`];
break;
case 'AsposePdfToTeX':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.tex`];
break;
case 'AsposePdfToXps':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.xps`];
break;
case 'AsposePdfToTxt':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.txt`];
break;
case 'AsposePdfToEPUB':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.epub`];
break;
case 'AsposePdfToDoc':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.doc`];
break;
case 'AsposePdfToPptX':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.pptx`];
break;
case 'AsposePdfAddTextHeaderFooter':
const header = 'Aspose.PDF for JavaScript via C++';
const footer = 'ASPOSE';
transfer = [event.target.result];
params = [event.target.result, ffile.name, header, footer, `Result${operation}.pdf`];
break;
case 'AsposePdfDecrypt':
const password = 'owner';
transfer = [event.target.result];
params = [event.target.result, ffile.name, password, `Result${operation}.pdf`];
break;
case 'AsposePdfEncrypt':
const password_user = 'user';
const password_owner = 'owner';
const permissions = 'Module.Permissions.PrintDocument';
const algorithm = 'Module.CryptoAlgorithm.RC4x40';
transfer = [event.target.result];
params = [event.target.result, ffile.name, password_user, password_owner, permissions, algorithm, `Result${operation}.pdf`];
break;
case 'AsposePdfSetInfo':
transfer = [event.target.result];
// PDF info:
const title = 'Setting PDF Document Information';
const creator = ''; //if not need to set value, use: undefined or ""/'' (empty string)
const author = 'Aspose';
const subject = undefined;
const keywords = 'Aspose.Pdf, DOM, API';
const creation = undefined; //create date
const mod = '2008/12/21 12:15:12'; //modify date
params = [event.target.result, ffile.name, title, creator, author, subject, keywords, creation, mod, `Result${operation}.pdf`];
break;
case 'AsposePdfSplit2Files':
const pageToSplit = 1;
transfer = [event.target.result];
params = [event.target.result, ffile.name, pageToSplit, `Result${operation}.pdf`, `Result${operation}-last.pdf`];
break;
case 'AsposePdfDeletePages':
//const numPages = "1-3"; //string, include number pages with interval: "7, 20, 22, 30-32, 33, 36-40, 46"
//const numPages = [1,3]; //array, array of number pages
const numPages = 1; //number, number page
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.pdf`, numPages];
break;
case 'AsposePdfPagesToJpg':
case 'AsposePdfExtractImage':
const resolution_jpg = 150; //resolution in dpi
const template_jpg = `Result${operation}{0:D2}.jpg`; //result filename template
transfer = [event.target.result];
params = [event.target.result, ffile.name, template_jpg, resolution_jpg];
break;
case 'AsposePdfPagesToPng':
const resolution_png = 100; //resolution in dpi
const template_png = `Result${operation}{0:D2}.png`; //result filename template
transfer = [event.target.result];
params = [event.target.result, ffile.name, template_png, resolution_png];
break;
case 'AsposePdfPagesToSvg':
const template_svg = `Result${operation}.svg`; //result filename
transfer = [event.target.result];
params = [event.target.result, ffile.name, template_svg];
break;
case 'AsposePdfPagesToSvgZip':
const template_svg_zip = `Result${operation}.zip`; //result filename
transfer = [event.target.result];
params = [event.target.result, ffile.name, template_svg_zip];
break;
case 'AsposePdfPagesToTiff':
const resolution_tiff = 100; //resolution in dpi
const template_tiff = `Result${operation}{0:D2}.tiff`; //result filename template
transfer = [event.target.result];
params = [event.target.result, ffile.name, template_tiff, resolution_tiff];
break;
case 'AsposePdfPagesToBmp':
const resolution_bmp = 100; //resolution in dpi
const template_bmp = `Result${operation}{0:D2}.bmp`; //result filename template
transfer = [event.target.result];
params = [event.target.result, ffile.name, template_bmp, resolution_bmp];
break;
case 'AsposePdfPagesToDICOM':
const resolution_DICOM = 100; //resolution in dpi
const template_DICOM = `Result${operation}{0:D2}.dcm`; //result filename template
transfer = [event.target.result];
params = [event.target.result, ffile.name, template_DICOM, resolution_DICOM];
break;
case 'AsposePdfRotateAllPages':
const rotation = 'Module.Rotation.on270';
transfer = [event.target.result];
params = [event.target.result, ffile.name, rotation, `Result${operation}.pdf`];
break;
case 'AsposePdfConvertToPDFA':
const pdfFormat = 'Module.PdfFormat.PDF_A_1A';
transfer = [event.target.result];
params = [event.target.result, ffile.name, pdfFormat, `Result${operation}.pdf`, `Result${operation}.xml`];
break;
case 'AsposePdfAddBackgroundImage':
const fileBackgroundImage = '/Aspose.jpg'; //see option #1 uploading additional files
transfer = [event.target.result];
params = [event.target.result, ffile.name, fileBackgroundImage, `Result${operation}.pdf`];
break;
case 'AsposePdfAddImage':
const fileImage = '/Aspose.jpg'; //see option #1 uploading additional files
transfer = [event.target.result];
params = [event.target.result, ffile.name, fileImage, `Result${operation}.pdf`];
break;
case 'AsposePdfAddStamp':
const fileNameStamp = '/Aspose.jpg'; //see option #1 uploading additional files
const setBackground = 0;
const setXIndent_ = 5;
const setYIndent_ = 5;
const setHeight_ = 40;
const setWidth_ = 40;
const rotation_ = 'Module.Rotation.on270';
const setOpacity = 0.5;
transfer = [event.target.result];
params = [event.target.result, ffile.name, fileNameStamp, setBackground, setXIndent_, setYIndent_, setHeight_, setWidth_, rotation_, setOpacity, `Result${operation}.pdf`];
break;
case 'AsposePdfSignPKCS7':
const pageNum = 1;
const fileSign = '/test.pfx'; //see option #2 uploading additional files
const pswSign = 'Pa$$w0rd2023';
const setXIndent = 100;
const setYIndent = 100;
const setHeight = 200;
const setWidth = 100;
const reason = 'Reason';
const contact = 'contact@test.com';
const location = 'Location';
const isVisible = 1;
const signatureAppearance = '/sign.png'; //see option #2 uploading additional files
transfer = [event.target.result];
params = [event.target.result, ffile.name, pageNum, fileSign, pswSign, setXIndent, setYIndent, setHeight, setWidth, reason, contact, location, isVisible, signatureAppearance, `Result${operation}.pdf`];
break;
case 'AsposePdfMerge2Files':
transfer = [event.target.result];
params = [event.target.result, undefined, ffile.name, (optdata === undefined) ? ffile.name : optdata.fileName2, `Result${operation}.pdf`];
break;
case 'AsposePdfTablesToCSV':
const delimiter_csv = "\t"; //TAB as comma-separated value
const template_csv = `Result${operation}{0:D2}.csv`; //result filename template
transfer = [event.target.result];
params = [event.target.result, ffile.name, template_csv, delimiter_csv];
break;
case 'AsposePdfSetBackgroundColor':
const backgroundColor = '#4682B4'; //color in hexadecimal format (a hex triplet)
transfer = [event.target.result];
params = [event.target.result, ffile.name, backgroundColor, `Result${operation}.pdf`];
break;
case 'AsposePdfChangePassword':
const ownerPassword = 'owner'; //Owner password.
const newUserPassword = 'newuser'; //New user password.
const newOwnerPassword = 'newowner'; //New owner password.
transfer = [event.target.result];
params = [event.target.result, ffile.name, ownerPassword, newUserPassword, newOwnerPassword, `Result${operation}.pdf`];
break;
case 'AsposePdfAddAttachment':
const fileAttachment = '/text.txt'; //see option #2 uploading additional files
const fileDescription = 'Attachment "text.txt"';
transfer = [event.target.result];
params = [event.target.result, ffile.name, fileAttachment, fileDescription, `Result${operation}.pdf`];
break;
case 'AsposePdfGetAttachment':
const template_attachment = `Result${operation}_{0}`; //result filename template
transfer = [event.target.result];
params = [event.target.result, ffile.name, template_attachment];
break;
case 'AsposePdfExportFdf':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.fdf`];
break;
case 'AsposePdfExportXfdf':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.xfdf`];
break;
case 'AsposePdfExportXml':
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.xml`];
break;
case 'AsposePdfReplaceText':
const findText = 'Aspose';
const replaceText = 'ASPOSE';
transfer = [event.target.result];
params = [event.target.result, ffile.name, findText, replaceText, `Result${operation}.pdf`];
break;
case 'AsposePdfReplaceTextPages':
const findTextPages = 'Aspose';
const replaceTextPages = 'ASPOSE';
const numReplaceTextPages = 1;
transfer = [event.target.result];
params = [event.target.result, ffile.name, findTextPages, replaceTextPages, numReplaceTextPages, `Result${operation}.pdf`];
break;
case 'AsposePdfFindText':
const searchText = 'Aspose';
transfer = [event.target.result];
params = [event.target.result, ffile.name, searchText];
break;
case 'AsposePdfFromImage':
const pageSize = 'Module.PdfPageSize.A3';
const margin = 40;
const isLandscape = true;
transfer = [event.target.result];
params = [event.target.result, ffile.name, pageSize, margin, isLandscape, `Result${operation}.pdf`];
break;
case 'AsposePdfReplaceFont':
const findFont = 'Helvetica';
const replaceFont = 'Times';
transfer = [event.target.result];
params = [event.target.result, ffile.name, findFont, replaceFont, `Result${operation}.pdf`];
break;
case 'AsposePdfPagesToPDF':
const template_pdf = `Result${operation}{0:D2}.pdf`; //result filename template
transfer = [event.target.result];
params = [event.target.result, ffile.name, template_pdf];
break;
case 'AsposePdfValidatePDFA':
const pdfFormatValidate = 'Module.PdfFormat.PDF_A_1A';
transfer = [event.target.result];
params = [event.target.result, ffile.name, pdfFormatValidate, `Result${operation}.xml`];
break;
case 'AsposePdfAddWatermark':
const text = "Aspose PDF";
const fontName = "Arial";
const fontSize = 32;
const foregroundColor = "#010101";
const xPosition = 100;
const yPosition = 100;
const rotation2 = 45;
const isBackground2 = 1;
const opacity2 = 0.5;
transfer = [event.target.result];
params = [event.target.result, ffile.name, text, fontName, fontSize, foregroundColor, xPosition, yPosition, rotation2, isBackground2, opacity2, `Result${operation}.pdf`];
break;
case 'AsposePdfMergeLayers':
transfer = [event.target.result];
params = [event.target.result, ffile.name, "MergedLayer", `Result${operation}.pdf`];
break;
case 'AsposePdfMakeNUp':
const columns = 2
const rows = 2
transfer = [event.target.result];
params = [event.target.result, ffile.name, columns, rows, `Result${operation}.pdf`];
break;
default:
// AsposePdfOptimize, AsposePdfAddPageNum, AsposePdfConvertToGrayscale, AsposePdfAConvertToPDF,
// AsposePdfRemoveMetadata, AsposePdfRepair, AsposePdfOptimizeResource, AsposePdfDeleteAnnotations,
// AsposePdfDeleteBookmarks, AsposePdfDeleteAttachments, AsposePdfDeleteImages, AsposePdfDeleteJavaScripts,
// AsposePdfFromTxt, AsposePdfFindHiddenText, AsposePdfDeleteHiddenText, AsposePdfDeleteWatermarks,
// AsposePdfFlatten, AsposePdfMakeBooklet, AsposePdfDeleteBlankPages
transfer = [event.target.result];
params = [event.target.result, ffile.name, `Result${operation}.pdf`];
}
// Ask Web Worker
return AsposePDFWebWorker.postMessage({ "operation": operation, "params": params }, transfer);
};
file_reader.readAsArrayBuffer(ffile);
}
//
const ffileOperation = function (evt) {
const operation = document.getElementById('selectOperation').value;
const files_arr = [{"operation": operation, "file": evt.target.files[0]}];
// for the rest of the files, if they exist, need to perform AsposePdfPrepare
for (let i = 1; i < evt.target.files.length; i++) files_arr.unshift({"operation": 'AsposePdfPrepare', "file": evt.target.files[i]});
// processing
fileProcess(files_arr[0].operation, files_arr[0].file, files_arr.length > 1 ? files_arr.slice(1) : undefined)
}
//
const changeOperation = function (event) {
// for AsposePdfMerge2Files need 'multiple'
if (document.getElementById('selectOperation').value == 'AsposePdfMerge2Files')
document.getElementById('fileOperation').setAttribute("multiple", '')
else
document.getElementById('fileOperation').removeAttribute("multiple");
switch (document.getElementById('selectOperation').value) {
case 'AsposePdfFromTxt':
document.getElementById('fileOperation').setAttribute("accept", 'text/plain')
break;
case 'AsposePdfFromImage':
document.getElementById('fileOperation').setAttribute("accept", 'image/*')
break;
default:
document.getElementById('fileOperation').setAttribute("accept", 'application/pdf')
}
document.getElementById('fileOperation').value = '';
}
const SetProgress = function (labelName = '') {
if (labelName == '') {
document.getElementById('working').setAttribute("hidden", '');
document.getElementById('fileOperation').removeAttribute("disabled");
document.getElementById('selectOperation').removeAttribute("disabled");
}
else {
document.getElementById('output').textContent = labelName;
document.getElementById('working').removeAttribute("hidden");
document.getElementById('fileOperation').setAttribute("disabled", '');
document.getElementById('selectOperation').setAttribute("disabled", '');
}
}
const DownloadFile = function (filename, mime, content) {
mime = mime || "application/octet-stream";
var link = document.createElement("a");
link.href = URL.createObjectURL(new Blob([content], {type: mime}));
link.download = filename;
link.textContent = filename;
link.title = "Click here to download the file";
document.getElementById('fileDownload').appendChild(link);
document.getElementById('fileDownload').appendChild(document.createElement("br"));
}
</script>
</html>