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Merge pull request #4556 from p01/OpaqueCanvas

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Use Opaque Canvas
This commit is contained in:
Yury Delendik 2014-04-10 16:54:26 -05:00
commit d61ee23afc
4 changed files with 4 additions and 4 deletions
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2
web/page_view.js
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@ -462,7 +462,7 @@ var PageView = function pageView(container, id, scale,
this.canvas = canvas; this.canvas = canvas;
var scale = this.scale; var scale = this.scale;
var ctx = canvas.getContext('2d'); var ctx = canvas.getContext('2d', {alpha: false});
var outputScale = getOutputScale(ctx); var outputScale = getOutputScale(ctx);
if (USE_ONLY_CSS_ZOOM) { if (USE_ONLY_CSS_ZOOM) {

2
web/text_layer_builder.js
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@ -53,7 +53,7 @@ var TextLayerBuilder = function textLayerBuilder(options) {
this.renderLayer = function textLayerBuilderRenderLayer() { this.renderLayer = function textLayerBuilderRenderLayer() {
var textDivs = this.textDivs; var textDivs = this.textDivs;
var canvas = document.createElement('canvas'); var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d'); var ctx = canvas.getContext('2d', {alpha: false});
// No point in rendering so many divs as it'd make the browser unusable // No point in rendering so many divs as it'd make the browser unusable
// even after the divs are rendered // even after the divs are rendered

2
web/thumbnail_view.js
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@ -111,7 +111,7 @@ var ThumbnailView = function thumbnailView(container, id, defaultViewport) {
ring.appendChild(canvas); ring.appendChild(canvas);
var ctx = canvas.getContext('2d'); var ctx = canvas.getContext('2d', {alpha: false});
ctx.save(); ctx.save();
ctx.fillStyle = 'rgb(255, 255, 255)'; ctx.fillStyle = 'rgb(255, 255, 255)';
ctx.fillRect(0, 0, this.canvasWidth, this.canvasHeight); ctx.fillRect(0, 0, this.canvasWidth, this.canvasHeight);