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56 lines
1.7 KiB
56 lines
1.7 KiB
11 years ago
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/* -*- 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('../../test/pdfs/liveprogramming.pdf').then(function(pdf) {
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var numPages = pdf.numPages;
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// Using promise to fetch the page
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// For testing only.
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var MAX_NUM_PAGES = 50;
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var ii = Math.min(MAX_NUM_PAGES, numPages);
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var promise = Promise.resolve();
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for (var i = 1; i <= ii; i++) {
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// Using promise to fetch the page
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promise = promise.then(function (pageNum) {
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return pdf.getPage(pageNum).then(function (page) {
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var scale = 1.5;
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var viewport = page.getViewport(scale);
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var container = document.createElement('div');
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container.id = 'pageContainer' + pageNum;
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container.className = 'pageContainer';
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container.style.width = viewport.width + 'px';
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container.style.height = viewport.height + 'px';
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document.body.appendChild(container);
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var renderContext = {
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viewport: viewport,
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pageNum: pageNum,
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container: container
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};
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// run rendering only when all pages are loaded
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promise.then(function () {
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page.getOperatorList().then(function (opList) {
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var svgGfx = new SVGGraphics(page.commonObjs);
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svgGfx.loadDependencies(opList).then(function (values) {
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svgGfx.beginDrawing(renderContext.viewport, renderContext.pageNum,
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renderContext.container, opList);
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});
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});
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});
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});
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}.bind(null, i));
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}
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});
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