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#123, part 2: move more PDF-page rendering stuff into pdf.js

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This commit is contained in:
Chris Jones 2011-07-10 23:21:13 -07:00
parent 47c29974c4
commit 452ba3d85b
4 changed files with 62 additions and 82 deletions
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18
web/multi_page_viewer.js
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@ -123,14 +123,7 @@ var PDFViewer = {
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() { });
}
},
@ -183,14 +176,7 @@ var PDFViewer = {
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() { });
}
},

32
web/viewer.js
View file

@ -72,29 +72,15 @@ function displayPage(num) {
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() {