var Page = (function() {
function constructor(xref, pageNumber, pageDict) {
- this.xref = xref;
this.pageNumber = pageNumber;
this.pageDict = pageDict;
+ this.stats = {
+ create: Date.now(),
+ compile: 0.0,
+ fonts: 0.0,
+ render: 0.0,
+ };
+ this.xref = xref;
}
constructor.prototype = {
return shadow(this, 'mediaBox',
((IsArray(obj) && obj.length == 4) ? obj : null));
},
+ startRendering: function(canvasCtx, continuation) {
+ var self = this;
+ var stats = self.stats;
+ stats.compile = stats.fonts = stats.render = 0;
+
+ var gfx = new CanvasGraphics(canvasCtx);
+ var fonts = [ ];
+
+ this.compile(gfx, fonts);
+ stats.compile = Date.now();
+
+ FontLoader.bind(
+ fonts,
+ function() {
+ stats.fonts = Date.now();
+ // Always defer call to display() to work around bug in
+ // Firefox error reporting from XHR callbacks.
+ setTimeout(function () {
+ self.display(gfx);
+ stats.render = Date.now();
+ continuation();
+ });
+ });
+ },
+
+
compile: function(gfx, fonts) {
if (this.code) {
// content was compiled
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+
/*
* A Test Driver for PDF.js
*/
-
var appPath, browser, canvas, currentTaskIdx, manifest, stdout;
function queryParams() {
browser = params.browser;
manifestFile = params.manifestFile;
appPath = params.path;
-
+
canvas = document.createElement("canvas");
canvas.mozOpaque = true;
stdout = document.getElementById("stdout");
-
+
log("load...\n");
log("Harness thinks this browser is '"+ browser + "' with path " + appPath + "\n");
log("Fetching manifest "+ manifestFile +"...");
-
+
var r = new XMLHttpRequest();
r.open("GET", manifestFile, false);
r.onreadystatechange = function(e) {
if (r.readyState == 4) {
var data = r.mozResponseArrayBuffer || r.mozResponse ||
r.responseArrayBuffer || r.response;
-
+
try {
task.pdfDoc = new PDFDoc(new Stream(data));
} catch(e) {
failure = 'load PDF doc: '+ e.toString();
}
-
+
task.pageNum = 1, nextPage(task, failure);
- }
+ }
};
r.send(null);
}
var failure = loadError || '';
var ctx = null;
- var fonts;
- var gfx = null;
var page = null;
-
if (!failure) {
- log(" loading page "+ task.pageNum +"... ");
- ctx = canvas.getContext("2d");
- fonts = [];
try {
- gfx = new CanvasGraphics(ctx);
+ log(" loading page "+ task.pageNum +"... ");
+ ctx = canvas.getContext("2d");
page = task.pdfDoc.getPage(task.pageNum);
- page.compile(gfx, fonts);
- } catch(e) {
- failure = 'compile: '+ e.toString();
- }
- }
- if (!failure) {
- try {
var pdfToCssUnitsCoef = 96.0 / 72.0;
// using mediaBox for the canvas size
var pageWidth = (page.mediaBox[2] - page.mediaBox[0]);
canvas.width = pageWidth * pdfToCssUnitsCoef;
canvas.height = pageHeight * pdfToCssUnitsCoef;
clear(ctx);
- } catch(e) {
- failure = 'page setup: '+ e.toString();
- }
- }
- if (!failure) {
- try {
- FontLoader.bind(fonts, function() {
- snapshotCurrentPage(gfx, page, task, failure);
- });
+ page.startRendering(
+ ctx,
+ function() { snapshotCurrentPage(page, task, failure); });
} catch(e) {
- failure = 'fonts: '+ e.toString();
+ failure = 'page setup: '+ e.toString();
}
}
if (failure) {
// Skip right to snapshotting if there was a failure, since the
// fonts might be in an inconsistent state.
- snapshotCurrentPage(gfx, page, task, failure);
+ snapshotCurrentPage(page, task, failure);
}
}
-function snapshotCurrentPage(gfx, page, task, failure) {
+function snapshotCurrentPage(page, task, failure) {
log("done, snapshotting... ");
-
- if (!failure) {
- try {
- page.display(gfx);
- } catch(e) {
- failure = 'render: '+ e.toString();
- }
- }
sendTaskResult(canvas.toDataURL("image/png"), task, failure);
log("done"+ (failure ? " (failed!: "+ failure +")" : "") +"\n");
-
+
// Set up the next request
backoff = (inFlightRequests > 0) ? inFlightRequests * 10 : 0;
setTimeout(function() {
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.restore();
- var gfx = new CanvasGraphics(ctx);
-
- // page.compile will collect all fonts for us, once we have loaded them
- // we can trigger the actual page rendering with page.display
- var fonts = [];
- page.compile(gfx, fonts);
-
- FontLoader.bind(fonts, function() { page.display(gfx); });
+ page.startRendering(ctx, function() { });
}
},
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.restore();
- var gfx = new CanvasGraphics(ctx);
-
- // page.compile will collect all fonts for us, once we have loaded them
- // we can trigger the actual page rendering with page.display
- var fonts = [];
- page.compile(gfx, fonts);
-
- FontLoader.bind(fonts, function() { page.display(gfx); });
+ page.startRendering(ctx, function() { });
}
},
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.restore();
- var gfx = new CanvasGraphics(ctx);
-
- // page.compile will collect all fonts for us, once we have loaded them
- // we can trigger the actual page rendering with page.display
- var fonts = [];
- page.compile(gfx, fonts);
- var t2 = Date.now();
-
- function displayPage() {
- var t3 = Date.now();
-
- page.display(gfx);
-
- var t4 = Date.now();
-
- var infoDisplay = document.getElementById('info');
- infoDisplay.innerHTML = 'Time to load/compile/fonts/render: ' +
- (t1 - t0) + '/' + (t2 - t1) + '/' + (t3 - t2) + '/' + (t4 - t3) + ' ms';
- }
-
- // Always defer call to displayPage() to work around bug in
- // Firefox error reporting from XHR callbacks.
- FontLoader.bind(fonts, function() { setTimeout(displayPage, 0); });
+ page.startRendering(
+ ctx,
+ function() {
+ var infoDisplay = document.getElementById('info');
+ var stats = page.stats;
+ var t2 = stats.compile, t3 = stats.fonts, t4 = stats.render;
+ infoDisplay.innerHTML = 'Time to load/compile/fonts/render: ' +
+ (t1 - t0) + '/' + (t2 - t1) + '/' + (t3 - t2) + '/' + (t4 - t3) + ' ms';
+ });
}
function nextPage() {
projects / pdf.js.git / commitdiff