diff --git a/src/util/CanvasProvider.js b/src/util/CanvasProvider.js
index e2f139d1..abcfba10 100644
--- a/src/util/CanvasProvider.js
+++ b/src/util/CanvasProvider.js
@@ -1,15 +1,18 @@
 CanvasProvider = {
 	canvases: [],
-	getCanvas: function(width, height) {
+	getCanvas: function() {
+		var size = Size.read(arguments);
 		var canvas = this.canvases.length
 			? this.canvases.pop()
 			: document.createElement('canvas');
-		canvas.width = width;
-		canvas.height = height;
+		canvas.width = size.width;
+		canvas.height = size.height;
 		return canvas;
 	},
 
 	returnCanvas: function(canvas) {
+		// reset canvas:
+		canvas.width = canvas.width;
 		this.canvases.push(canvas);
 	}
 };