yetangitu/pdf.js
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First page is rendering using new worker infrastructure

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This commit is contained in:
Julian Viereck 2011-09-05 18:12:03 -07:00
parent 5a1488df9f
commit cc17707da6
5 changed files with 62 additions and 30 deletions
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21
worker/boot.js
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@ -3,9 +3,8 @@
'use strict';
//
importScripts('console.js');
importScripts('event_handler.js');
importScripts('message_handler.js');
importScripts('../pdf.js');
importScripts('../fonts.js');
importScripts('../crypto.js');
@ -14,9 +13,9 @@ importScripts('../glyphlist.js');
// Listen for messages from the main thread.
var pdfDoc = null;
var handler = new MessageHandler({
var handler = new MessageHandler("worker", {
"doc": function(data) {
pdfDocument = new PDFDoc(new Stream(data));
pdfDoc = new PDFDoc(new Stream(data));
console.log("setup pdfDoc");
},
@ -24,11 +23,11 @@ var handler = new MessageHandler({
pageNum = parseInt(pageNum);
console.log("about to process page", pageNum);
var page = pdfDocument.getPage(pageNum);
var page = pdfDoc.getPage(pageNum);
// The following code does quite the same as Page.prototype.startRendering,
// but stops at one point and sends the result back to the main thread.
var gfx = new CanvasGraphics(canvasCtx);
var gfx = new CanvasGraphics(null);
var fonts = [];
// TODO: Figure out how image loading is handled inside the worker.
var images = new ImagesLoader();
@ -43,9 +42,9 @@ var handler = new MessageHandler({
var font = fonts[i];
fontsMin.push({
name: orgFont.name,
file: orgFont.file,
properties: orgFont.properties
name: font.name,
file: font.file,
properties: font.properties
});
}
@ -58,6 +57,4 @@ var handler = new MessageHandler({
preCompilation: preCompilation,
});
}
}, postMessage);
onmessage = handler.onMessage;
}, this);