37 lines
879 B
JavaScript
37 lines
879 B
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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//
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// See README for overview
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//
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'use strict';
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//
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// Fetch the PDF document from the URL using promises
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//
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PDFJS.getDocument('helloworld.pdf').then(function(pdf) {
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// Using promise to fetch the page
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pdf.getPage(1).then(function(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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