yetangitu/pdf.js
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Send JpegStreams to the main thread ASAP. No need for ImagesLoader anymore

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This commit is contained in:
Julian Viereck 2011-09-09 11:20:55 -07:00
parent 32ae879219
commit ac11f30ae9
3 changed files with 43 additions and 70 deletions
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40
worker.js
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@ -30,16 +30,24 @@ var WorkerPage = (function() {
// TODO: Place the worker magic HERE.
// this.page.startRendering(ctx, callback, errback);
this.startRenderingTime = Date.now();
this.workerPDF.startRendering(this)
},
startRenderingFromIRQueue: function(IRQueue, fonts, images) {
startRenderingFromIRQueue: function(IRQueue, fonts) {
var gfx = new CanvasGraphics(this.ctx);
// TODO: Add proper handling for images loaded by the worker.
var images = new ImagesLoader();
this.page.startRenderingFromIRQueue(gfx, IRQueue, fonts, images, this.callback);
var startTime = Date.now();
var callback = function(err) {
var pageNum = this.page.pageNumber + 1;
console.log("page=%d - rendering time: time=%dms",
pageNum, Date.now() - startTime);
console.log("page=%d - total time: time=%dms",
pageNum, Date.now() - this.startRenderingTime);
this.callback(err);
}.bind(this);
this.page.startRenderingFromIRQueue(gfx, IRQueue, fonts, callback);
},
getLinks: function() {
@ -153,15 +161,21 @@ var WorkerPDFDoc = (function() {
}
}
var images = data.images;
for (var i = 0; i < images.length; i++) {
var image = images[i];
var stream = new JpegStreamIR(image.id, image.IR);
page.startRenderingFromIRQueue(data.IRQueue, data.fonts);
}, this);
handler.on("obj", function(data) {
var objId = data[0];
var objType = data[1];
switch (objType) {
case "JpegStream":
var IR = data[2];
new JpegStreamIR(objId, IR);
break;
default:
throw "Got unkown object type " + objType;
}
var timeStart = new Date();
page.startRenderingFromIRQueue(data.IRQueue, data.fonts, data.images);
console.log("RenderingTime", (new Date()) - timeStart);
}, this);
if (!useWorker) {