ZenBrowserMirrors/pdf.js
1
0
Fork 0
mirror of https://github.com/zen-browser/pdf.js.git synced 2025-07-10 02:05:37 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

First pass on review: worker.js -> pdf_worker.js, Font.bind cleanup + other stuff

Browse source
This commit is contained in:
Julian Viereck 2011-06-23 13:09:36 +02:00
parent 405c367ece
commit 229edf24d4
6 changed files with 77 additions and 123 deletions
Download patch file Download diff file Expand all files Collapse all files

23
worker_client.js
View file

@ -1,3 +1,6 @@
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
"use strict";
function WorkerPDFDoc(canvas) {
@ -128,10 +131,11 @@ function WorkerPDFDoc(canvas) {
}
}
function renderProxyCanvas(canvas, stack) {
function renderProxyCanvas(canvas, cmdQueue) {
var ctx = canvas.getContext("2d");
for (var i = 0; i < stack.length; i++) {
var opp = stack[i];
var cmdQueueLength = cmdQueue.length;
for (var i = 0; i < cmdQueueLength; i++) {
var opp = cmdQueue[i];
if (opp[0] == "$") {
ctx[opp[1]] = opp[2];
} else if (opp[0] in ctxSpecial) {
@ -146,7 +150,7 @@ function WorkerPDFDoc(canvas) {
* onMessage state machine.
*/
const WAIT = 0;
const CANVAS_PROXY_STACK = 1;
const CANVAS_PROXY_CMD_QUEUE = 1;
const LOG = 2;
const FONT = 3;
const PDF_NUM_PAGE = 4;
@ -170,8 +174,8 @@ function WorkerPDFDoc(canvas) {
onMessageState = LOG;
return;
case "canvas_proxy_stack":
onMessageState = CANVAS_PROXY_STACK;
case "canvas_proxy_cmd_queue":
onMessageState = CANVAS_PROXY_CMD_QUEUE;
return;
case "font":
@ -215,6 +219,7 @@ function WorkerPDFDoc(canvas) {
// Just adding the font-face to the DOM doesn't make it load. It
// seems it's loaded once Gecko notices it's used. Therefore,
// add a div on the page using the loaded font.
var div = document.createElement("div");
document.getElementById("fonts").innerHTML += "<div style='font-family:" + data.fontName + "'>j</div>";
onMessageState = WAIT;
@ -225,9 +230,9 @@ function WorkerPDFDoc(canvas) {
onMessageState = WAIT;
break;
case CANVAS_PROXY_STACK:
case CANVAS_PROXY_CMD_QUEUE:
var id = data.id;
var stack = data.stack;
var cmdQueue = data.cmdQueue;
// Check if there is already a canvas with the given id. If not,
// create a new canvas.
@ -242,7 +247,7 @@ function WorkerPDFDoc(canvas) {
// rendering at the end of the event queue ensures this.
setTimeout(function() {
if (id == 0) tic();
renderProxyCanvas(canvasList[id], stack);
renderProxyCanvas(canvasList[id], cmdQueue);
if (id == 0) toc("canvas rendering")
}, 0);
onMessageState = WAIT;