117 lines
2.8 KiB
JavaScript
117 lines
2.8 KiB
JavaScript
"use strict";
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function log() {
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var args = Array.prototype.slice.call(arguments);
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postMessage("log");
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postMessage(JSON.stringify(args))
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}
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var console = {
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log: log
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}
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importScripts("canvas_proxy.js");
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importScripts("pdf.js");
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importScripts("fonts.js");
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importScripts("glyphlist.js")
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// var array = new Uint8Array(2);
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// array[0] = 1;
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// array[1] = 300;
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// postMessage(array);
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var timer = null;
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function tic() {
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timer = Date.now();
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}
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function toc(msg) {
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log("Took ", (Date.now() - timer));
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timer = null;
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}
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var canvas = new CanvasProxy(1224, 1584);
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// canvas.moveTo(0, 10);
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// canvas.lineTo(0, 20);
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// canvas.lineTo(500, 500);
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// canvas.flush();
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// canvas.stroke();
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// canvas.flush();
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log("test");
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var pageInterval;
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onmessage = function(event) {
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var data = event.data;
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var pdfDocument = new PDFDoc(new Stream(data));
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var numPages = pdfDocument.numPages;
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tic();
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// Let's try to render the first page...
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var page = pdfDocument.getPage(8);
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// page.compile will collect all fonts for us, once we have loaded them
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// we can trigger the actual page rendering with page.display
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var fonts = [];
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var gfx = new CanvasGraphics(canvas);
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page.compile(gfx, fonts);
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toc("compiled page");
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//
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var fontsReady = true;
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// Inspect fonts and translate the missing one
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var count = fonts.length;
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for (var i = 0; i < count; i++) {
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var font = fonts[i];
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if (Fonts[font.name]) {
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fontsReady = fontsReady && !Fonts[font.name].loading;
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continue;
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}
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new Font(font.name, font.file, font.properties);
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fontsReady = false;
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}
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// function delayLoadFont() {
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// for (var i = 0; i < count; i++) {
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// if (Fonts[font.name].loading)
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// return;
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// }
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// clearInterval(pageInterval);
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// page.display(gfx);
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//
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// log("flush");
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// canvas.flush();
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// };
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// if (fontsReady) {
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// delayLoadFont();
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// } else {
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// pageInterval = setInterval(delayLoadFont, 10);
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// }
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page.display(gfx);
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canvas.flush();
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}
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// function open(url) {
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// var req = new XMLHttpRequest();
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// req.open("GET", url);
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// // req.responseType = "arraybuffer";
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// req.expected = 0;//(document.URL.indexOf("file:") == 0) ? 0 : 200;
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// req.onreadystatechange = function() {
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// postMessage("loaded");
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// if (req.readyState == 4 && req.status == req.expected) {
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// var data = req.mozResponseArrayBuffer || req.mozResponse ||
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// req.responseArrayBuffer || req.response;
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// pdfDocument = new PDFDoc(new Stream(data));
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// numPages = pdfDocument.numPages;
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// // document.getElementById("numPages").innerHTML = numPages.toString();
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// // goToPage(pageNum);
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// }
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// };
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// req.send(null);
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// }
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//
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// open("compressed.tracemonkey-pldi-09.pdf")
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