77 lines
1.8 KiB
HTML
77 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>'Hello, world!' example</title>
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</head>
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<body>
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<h1>'Hello, world!' example</h1>
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<canvas id="the-canvas" style="border:1px solid black"></canvas>
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<!-- for legacy browsers add compatibility.js -->
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<!--<script src="../../node_modules/pdfjs-dist/web/compatibility.js"></script>-->
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<script src="../../node_modules/pdfjs-dist/build/pdf.js"></script>
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<script id="script">
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//
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// If absolute URL from the remote server is provided, configure the CORS
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// header on that server.
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//
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var url = './helloworld.pdf';
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//
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// Disable workers to avoid yet another cross-origin issue (workers need
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// the URL of the script to be loaded, and dynamically loading a cross-origin
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// script does not work).
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//
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// PDFJS.disableWorker = true;
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//
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// The workerSrc property shall be specified.
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//
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PDFJS.workerSrc = '../../node_modules/pdfjs-dist/build/pdf.worker.js';
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//
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// Asynchronous download PDF
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//
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PDFJS.getDocument(url).then(function getPdfHelloWorld(pdf) {
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//
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// Fetch the first page
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//
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pdf.getPage(1).then(function getPageHelloWorld(page) {
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var scale = 1.5;
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var viewport = page.getViewport(scale);
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//
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// Prepare canvas using PDF page dimensions
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//
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var canvas = document.getElementById('the-canvas');
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var context = canvas.getContext('2d');
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canvas.height = viewport.height;
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canvas.width = viewport.width;
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//
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// Render PDF page into canvas context
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//
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var renderContext = {
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canvasContext: context,
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viewport: viewport
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};
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page.render(renderContext);
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});
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});
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</script>
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<hr>
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<h2>JavaScript code:</h2>
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<pre id="code"></pre>
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<script>
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document.getElementById('code').textContent =
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document.getElementById('script').text;
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</script>
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</body>
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</html>
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