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Bring back accidentally removed support for pixelRatio in CanvasProvider.

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This commit is contained in:
Jürg Lehni 2014-03-18 12:42:28 +01:00
parent 09d90a21bc
commit 3dae48acf4
1 changed files with 12 additions and 3 deletions
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15
src/canvas/CanvasProvider.js
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@ -15,13 +15,20 @@
var CanvasProvider = { var CanvasProvider = {
canvases: [], canvases: [],
getCanvas: function(width, height) { getCanvas: function(width, height, pixelRatio) {
var canvas, var canvas,
init = true; init = true;
if (typeof width === 'object') { if (typeof width === 'object') {
pixelRatio = height;
height = width.height; height = width.height;
width = width.width; width = width.width;
} }
if (!pixelRatio) {
pixelRatio = 1;
} else if (pixelRatio !== 1) {
width *= pixelRatio;
height *= pixelRatio;
}
if (this.canvases.length) { if (this.canvases.length) {
canvas = this.canvases.pop(); canvas = this.canvases.pop();
} else { } else {
@ -45,11 +52,13 @@ var CanvasProvider = {
} }
// We save on retrieval and restore on release. // We save on retrieval and restore on release.
ctx.save(); ctx.save();
if (pixelRatio !== 1)
ctx.scale(pixelRatio, pixelRatio);
return canvas; return canvas;
}, },
getContext: function(width, height) { getContext: function(width, height, pixelRatio) {
return this.getCanvas(width, height).getContext('2d'); return this.getCanvas(width, height, pixelRatio).getContext('2d');
}, },
// release can receive either a canvas or a context. // release can receive either a canvas or a context.