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Aspose.PDF for JavaScript via C++ 24.10
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‎AsposePDFforJS.js

+4-3
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‎AsposePDFforJS.wasm.zip

10.2 KB
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‎example.html

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Original file line numberDiff line numberDiff line change
@@ -225,29 +225,37 @@ <h2>Aspose.PDF for JavaScript via C++</h2>
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<input type="file" id="filePdfGetAttachment" accept="application/pdf" onchange="ffilePdfGetAttachment(event)">
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</div>
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<div class="column">
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<label for="filePdfReplaceText">REPLACE TEXT<span class="tooltip">Choose a PDF-file to replace text</span></label>
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<label for="filePdfReplaceText">REPLACE TEXT<span class="tooltip">Replace text in a PDF-file</span></label>
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<input type="file" id="filePdfReplaceText" accept="application/pdf" onchange="ffilePdfReplaceText(event)">
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</div>
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<div class="column">
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<label for="filePdfFindText">FIND TEXT<span class="tooltip">Choose a PDF-file to find text</span></label>
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<label for="filePdfFindText">FIND TEXT<span class="tooltip">Find text in a PDF-file</span></label>
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<input type="file" id="filePdfFindText" accept="application/pdf" onchange="ffilePdfFindText(event)">
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</div>
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<div class="column">
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<label for="filePdfReplaceFont">REPLACE FONT<span class="tooltip">Choose a PDF-file to replace font</span></label>
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<label for="filePdfReplaceFont">REPLACE FONT<span class="tooltip">Replace font in a PDF-file</span></label>
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<input type="file" id="filePdfReplaceFont" accept="application/pdf" onchange="ffilePdfReplaceFont(event)">
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</div>
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<div class="column">
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<label for="filePdfValidatePDFA">VALIDATE PDF/A<span class="tooltip">Choose a PDF-file to validate PDF/A compatibility</span></label>
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<label for="filePdfValidatePDFA">VALIDATE PDF/A<span class="tooltip">Validate PDF/A compatibility a PDF-file</span></label>
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<input type="file" id="filePdfValidatePDFA" accept="application/pdf" onchange="ffilePdfValidatePDFA(event)">
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</div>
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<div class="column">
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<label for="filePdfFindHiddenText">FIND HIDDEN TEXT<span class="tooltip">Choose a PDF-file to find hidden text</span></label>
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<label for="filePdfFindHiddenText">FIND HIDDEN TEXT<span class="tooltip">Find hidden text in a PDF-file</span></label>
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<input type="file" id="filePdfFindHiddenText" accept="application/pdf" onchange="ffilePdfFindHiddenText(event)">
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</div>
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<div class="column">
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<label for="filePdfDeleteHiddenText">DEL HIDDEN TEXT<span class="tooltip">Choose a PDF-file to delete hidden text</span></label>
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<label for="filePdfDeleteHiddenText">DEL HIDDEN TEXT<span class="tooltip">Delete hidden text from a PDF-file</span></label>
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<input type="file" id="filePdfDeleteHiddenText" accept="application/pdf" onchange="ffilePdfDeleteHiddenText(event)">
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</div>
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<div class="column">
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<label for="filePdfAddWatermark">ADD WATERMARK<span class="tooltip">Add watermark to a PDF-file</span></label>
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<input type="file" id="filePdfAddWatermark" accept="application/pdf" onchange="ffilePdfAddWatermark(event)">
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</div>
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<div class="column">
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<label for="filePdfDeleteWatermarks">DEL WATERMARKS<span class="tooltip">Delete watermarks from a PDF-file</span></label>
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<input type="file" id="filePdfDeleteWatermarks" accept="application/pdf" onchange="ffilePdfDeleteWatermarks(event)">
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</div>
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</div>
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</div>
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@@ -1076,6 +1084,28 @@ <h2>Aspose.PDF for JavaScript via C++</h2>
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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var ffilePdfAddWatermark = function (e) {
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const file_reader = new FileReader();
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file_reader.onload = (event) => {
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const json = AsposePdfAddWatermark(event.target.result, e.target.files[0].name, "Aspose PDF", "Arial", 32, "#010101", 100, 100, 45, 1, 0.5, "ResultPdfAddWatermark.pdf");
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if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult;
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else document.getElementById('output').textContent = json.errorText;
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DownloadFile(json.fileNameResult, "application/pdf");
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}
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file_reader.readAsArrayBuffer(e.target.files[0]);
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}
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var ffilePdfDeleteWatermarks = function (e) {
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const file_reader = new FileReader();
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file_reader.onload = (event) => {
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const json = AsposePdfDeleteWatermarks(event.target.result, e.target.files[0].name, "ResultPdfDeleteWatermarks.pdf");
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if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult;
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else document.getElementById('output').textContent = json.errorText;
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DownloadFile(json.fileNameResult, "application/pdf");
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};
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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</script>
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<script>

‎example_worker.html

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@@ -82,6 +82,8 @@
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<option value="AsposePdfValidatePDFA">Validate PDF/A compatibility a PDF-file</option>
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<option value="AsposePdfFindHiddenText">Find hidden text in a PDF-file</option>
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<option value="AsposePdfDeleteHiddenText">Delete hidden text from a PDF-file</option>
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<option value="AsposePdfAddWatermark">Add watermark to a PDF-file</option>
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<option value="AsposePdfDeleteWatermarks">Delete watermarks from a PDF-file</option>
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<optgroup label="Metadata PDF">
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<option value="AsposePdfSetInfo">Set info (metadata) in a PDF-file</option>
@@ -307,7 +309,7 @@
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// AsposePdfSetBackgroundColor, AsposePdfDeleteAnnotations, AsposePdfDeleteBookmarks,
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// AsposePdfDeleteAttachments, AsposePdfDeleteImages, AsposePdfDeleteJavaScripts,
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// AsposePdfFromTxt, AsposePdfAddAttachment, AsposePdfReplaceText, AsposePdfFromImage,
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// AsposePdfReplaceFont, AsposePdfDeleteHiddenText
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// AsposePdfReplaceFont, AsposePdfDeleteHiddenText, AsposePdfAddWatermark, AsposePdfDeleteWatermarks
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DownloadFile(json.fileNameResult, "application/pdf", params[0]);
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}
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}
@@ -581,11 +583,24 @@
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transfer = [event.target.result];
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params = [event.target.result, ffile.name, pdfFormatValidate, `Result${operation}.xml`];
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break;
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case 'AsposePdfAddWatermark':
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const text = "Aspose PDF";
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const fontName = "Arial";
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const fontSize = 32;
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const foregroundColor = "#010101";
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const xPosition = 100;
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const yPosition = 100;
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const rotation2 = 45;
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const isBackground2 = 1;
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const opacity2 = 0.5;
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transfer = [event.target.result];
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params = [event.target.result, ffile.name, text, fontName, fontSize, foregroundColor, xPosition, yPosition, rotation2, isBackground2, opacity2, `Result${operation}.pdf`];
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break;
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default:
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// AsposePdfOptimize, AsposePdfAddPageNum, AsposePdfConvertToGrayscale, AsposePdfAConvertToPDF,
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// AsposePdfRemoveMetadata, AsposePdfRepair, AsposePdfOptimizeResource, AsposePdfDeleteAnnotations,
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// AsposePdfDeleteBookmarks, AsposePdfDeleteAttachments, AsposePdfDeleteImages, AsposePdfDeleteJavaScripts,
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// AsposePdfFromTxt, AsposePdfFindHiddenText, AsposePdfDeleteHiddenText
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// AsposePdfFromTxt, AsposePdfFindHiddenText, AsposePdfDeleteHiddenText, AsposePdfDeleteWatermarks
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transfer = [event.target.result];
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params = [event.target.result, ffile.name, `Result${operation}.pdf`];
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}

‎snippets/AsposePdfAddWatermark.html

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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta charset="UTF-8">
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<title>Aspose.PDF for JavaScript via C++</title>
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</head>
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<body>
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<label for="fileAddWatermark">Choose a PDF-file to add watermark</label>
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<input type="file" id="fileAddWatermark" accept="application/pdf" onchange="ffileAddWatermark(event)">
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<br>
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<pre id="output"></pre>
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</body>
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<!-- Load and initiate Aspose.PDF for JavaScript via C++ -->
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<script type="text/javascript" async src="AsposePDFforJS.js"></script>
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<script type="text/javascript">
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/// [Code snippet]
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var ffileAddWatermark = function (e) {
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const file_reader = new FileReader();
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file_reader.onload = (event) => {
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/*Add watermark to a PDF-file and save the "ResultPdfAddWatermark.pdf"*/
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const json = AsposePdfAddWatermark(event.target.result, e.target.files[0].name, "Aspose PDF", "Arial", 32, "#010101", 100, 100, 45, 1, 0.5, "ResultPdfAddWatermark.pdf");
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if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult;
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else document.getElementById('output').textContent = json.errorText;
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/*Make a link to download the result file*/
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DownloadFile(json.fileNameResult, "application/pdf");
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};
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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/// [Code snippet]
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</script>
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</html>

‎snippets/AsposePdfAddWatermark_worker.html

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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta charset="UTF-8">
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<title>Aspose.PDF for JavaScript via C++</title>
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</head>
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<body>
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<label for="fileAddWatermark">Choose a PDF-file to add watermark</label>
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<input type="file" id="fileAddWatermark" accept="application/pdf" onchange="ffileAddWatermark(event)">
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<br>
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<pre id="output">please wait for loading...</pre>
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</body>
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<script type="text/javascript">
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/// [Code snippet]
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/*Create Web Worker*/
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const AsposePDFWebWorker = new Worker("AsposePDFforJS.js");
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AsposePDFWebWorker.onerror = evt => console.log(`Error from Web Worker: ${evt.message}`);
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AsposePDFWebWorker.onmessage = evt => document.getElementById('output').textContent =
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(evt.data == 'ready') ? 'loaded!' :
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(evt.data.json.errorCode == 0) ? `Result:\n${DownloadFile(evt.data.json.fileNameResult, "application/pdf", evt.data.params[0])}` : `Error: ${evt.data.json.errorText}`;
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/*Event handler*/
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const ffileAddWatermark = e => {
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const file_reader = new FileReader();
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file_reader.onload = event => {
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const text = "Aspose PDF";
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const fontName = "Arial";
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const fontSize = 32;
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const foregroundColor = "#010101";
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const xPosition = 100;
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const yPosition = 100;
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const rotation = 45;
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const isBackground = 1;
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const opacity = 0.5;
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/*Add watermark to a PDF-file and save the "ResultPdfAddWatermark.pdf" - Ask Web Worker*/
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AsposePDFWebWorker.postMessage({ "operation": 'AsposePdfAddWatermark', "params": [event.target.result, e.target.files[0].name, text, fontName, fontSize, foregroundColor, xPosition, yPosition, rotation, isBackground, opacity, "ResultPdfAddWatermark.pdf"] }, [event.target.result]);
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};
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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/// [Code snippet]
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/*Make a link to download the result file*/
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const DownloadFile = (filename, mime, content) => {
48+
mime = mime || "application/octet-stream";
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var link = document.createElement("a");
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link.href = URL.createObjectURL(new Blob([content], {type: mime}));
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link.download = filename;
52+
link.innerHTML = "Click here to download the file " + filename;
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document.body.appendChild(link);
54+
document.body.appendChild(document.createElement("br"));
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return filename;
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}
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</script>
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</html>

‎snippets/AsposePdfDeleteWatermarks.html

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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta charset="UTF-8">
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<title>Aspose.PDF for JavaScript via C++</title>
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</head>
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<body>
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<label for="filePdfDeleteWatermarks">Choose a PDF-file to delete watermarks</label>
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<input type="file" id="filePdfDeleteWatermarks" accept="application/pdf" onchange="ffilePdfDeleteWatermarks(event)">
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<br>
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<pre id="output"></pre>
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</body>
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<!-- Load and initiate Aspose.PDF for JavaScript via C++ -->
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<script type="text/javascript" async src="AsposePDFforJS.js"></script>
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<script type="text/javascript">
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/// [Code snippet]
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var ffilePdfDeleteWatermarks = function (e) {
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const file_reader = new FileReader();
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file_reader.onload = (event) => {
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/*Delete watermarks from a PDF-file and save the "ResultPdfDeleteWatermarks.pdf"*/
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const json = AsposePdfDeleteWatermarks(event.target.result, e.target.files[0].name, "ResultPdfDeleteWatermarks.pdf");
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if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult;
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else document.getElementById('output').textContent = json.errorText;
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/*Make a link to download the result file*/
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DownloadFile(json.fileNameResult, "application/pdf");
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};
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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/// [Code snippet]
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</script>
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</html>

‎snippets/AsposePdfDeleteWatermarks_worker.html

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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta charset="UTF-8">
7+
<title>Aspose.PDF for JavaScript via C++</title>
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</head>
9+
10+
<body>
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<label for="filePdfDeleteWatermarks">Choose a PDF-file to delete watermarks</label>
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<input type="file" id="filePdfDeleteWatermarks" accept="application/pdf" onchange="ffilePdfDeleteWatermarks(event)">
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<br>
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<pre id="output">please wait for loading...</pre>
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</body>
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<script type="text/javascript">
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/// [Code snippet]
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/*Create Web Worker*/
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const AsposePDFWebWorker = new Worker("AsposePDFforJS.js");
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AsposePDFWebWorker.onerror = evt => console.log(`Error from Web Worker: ${evt.message}`);
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AsposePDFWebWorker.onmessage = evt => document.getElementById('output').textContent =
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(evt.data == 'ready') ? 'loaded!' :
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(evt.data.json.errorCode == 0) ? `Result:\n${DownloadFile(evt.data.json.fileNameResult, "application/pdf", evt.data.params[0])}` : `Error: ${evt.data.json.errorText}`;
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/*Event handler*/
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const ffilePdfDeleteWatermarks = e => {
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const file_reader = new FileReader();
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file_reader.onload = event => {
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/*Delete watermarks from a PDF-file and save the "ResultPdfDeleteWatermarks.pdf" - Ask Web Worker*/
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AsposePDFWebWorker.postMessage({ "operation": 'AsposePdfDeleteWatermarks', "params": [event.target.result, e.target.files[0].name, "ResultPdfDeleteWatermarks.pdf"] }, [event.target.result]);
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};
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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/// [Code snippet]
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/*Make a link to download the result file*/
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const DownloadFile = (filename, mime, content) => {
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mime = mime || "application/octet-stream";
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var link = document.createElement("a");
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link.href = URL.createObjectURL(new Blob([content], {type: mime}));
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link.download = filename;
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link.innerHTML = "Click here to download the file " + filename;
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document.body.appendChild(link);
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document.body.appendChild(document.createElement("br"));
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return filename;
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}
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</script>
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</html>

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