ZenBrowserMirrors/pdf.js
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Change to passing promises.

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This commit is contained in:
Brendan Dahl 2011-12-14 14:02:00 -08:00
parent c2b91f1272
commit d1f4e7c7d5
2 changed files with 26 additions and 62 deletions
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23
src/core.js
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@ -515,8 +515,7 @@ var PDFDoc = (function PDFDocClosure() {
// Tell the worker the file it was created from.
messageHandler.send('workerSrc', workerSrc);
messageHandler.on('test', function pdfDocTest(message) {
var supportTypedArray = message.data;
messageHandler.on('test', function pdfDocTest(supportTypedArray) {
if (supportTypedArray) {
this.worker = worker;
this.setupMessageHandler(messageHandler);
@ -554,8 +553,7 @@ var PDFDoc = (function PDFDocClosure() {
setupMessageHandler: function(messageHandler) {
this.messageHandler = messageHandler;
messageHandler.on('page', function pdfDocPage(message) {
var data = message.data;
messageHandler.on('page', function pdfDocPage(data) {
var pageNum = data.pageNum;
var page = this.pageCache[pageNum];
var depFonts = data.depFonts;
@ -563,8 +561,7 @@ var PDFDoc = (function PDFDocClosure() {
page.startRenderingFromIRQueue(data.IRQueue, depFonts);
}, this);
messageHandler.on('obj', function pdfDocObj(message) {
var data = message.data;
messageHandler.on('obj', function pdfDocObj(data) {
var id = data[0];
var type = data[1];
@ -601,8 +598,7 @@ var PDFDoc = (function PDFDocClosure() {
}
}, this);
messageHandler.on('font_ready', function pdfDocFontReady(message) {
var data = message.data;
messageHandler.on('font_ready', function pdfDocFontReady(data) {
var id = data[0];
var font = new FontShape(data[1]);
@ -614,8 +610,7 @@ var PDFDoc = (function PDFDocClosure() {
}
}.bind(this));
messageHandler.on('page_error', function pdfDocError(message) {
var data = message.data;
messageHandler.on('page_error', function pdfDocError(data) {
var page = this.pageCache[data.pageNum];
if (page.callback)
page.callback(data.error);
@ -623,9 +618,9 @@ var PDFDoc = (function PDFDocClosure() {
throw data.error;
}, this);
messageHandler.on('jpeg_decode', function(message) {
var imageData = message.data[0];
var components = message.data[1];
messageHandler.on('jpeg_decode', function(data, promise) {
var imageData = data[0];
var components = data[1];
if (components != 3 && components != 1)
error('Only 3 component or 1 component can be returned');
@ -652,7 +647,7 @@ var PDFDoc = (function PDFDocClosure() {
buf[j] = data[i];
}
}
message.reply({ data: buf, width: width, height: height});
promise.resolve({ data: buf, width: width, height: height});
}).bind(this);
var src = 'data:image/jpeg;base64,' + window.btoa(imageData);
img.src = src;