From 3dae48acf43f8ce1d41ccb6163599ed72b3e9582 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrg=20Lehni?= <juerg@scratchdisk.com>
Date: Tue, 18 Mar 2014 12:42:28 +0100
Subject: [PATCH] Bring back accidentally removed support for pixelRatio in
 CanvasProvider.

---
 src/canvas/CanvasProvider.js | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/canvas/CanvasProvider.js b/src/canvas/CanvasProvider.js
index adaf8148..04e8ed5f 100644
--- a/src/canvas/CanvasProvider.js
+++ b/src/canvas/CanvasProvider.js
@@ -15,13 +15,20 @@
 var CanvasProvider = {
 	canvases: [],
 
-	getCanvas: function(width, height) {
+	getCanvas: function(width, height, pixelRatio) {
 		var canvas,
 			init = true;
 		if (typeof width === 'object') {
+			pixelRatio = height;
 			height = width.height;
 			width = width.width;
 		}
+		if (!pixelRatio) {
+			pixelRatio = 1;
+		} else if (pixelRatio !== 1) {
+			width *= pixelRatio;
+			height *= pixelRatio;
+		}
 		if (this.canvases.length) {
 			canvas = this.canvases.pop();
 		} else {
@@ -45,11 +52,13 @@ var CanvasProvider = {
 		}
 		// We save on retrieval and restore on release.
 		ctx.save();
+		if (pixelRatio !== 1)
+			ctx.scale(pixelRatio, pixelRatio);
 		return canvas;
 	},
 
-	getContext: function(width, height) {
-		return this.getCanvas(width, height).getContext('2d');
+	getContext: function(width, height, pixelRatio) {
+		return this.getCanvas(width, height, pixelRatio).getContext('2d');
 	},
 
 	 // release can receive either a canvas or a context.