Resize the cache canvas to the calculated size, rather than the specified size

src/create-object.js

@@ -52,8 +52,8 @@ module.exports = function createObject(options) {
 			this.renderWidth = newSize.width * this.scaleX;
 			this.renderHeight = newSize.height * this.scaleY;
 
-			this.cacheCanvas.width = this.width;
+			this.cacheCanvas.width = this.renderWidth;
-			this.cacheCanvas.height = this.height;
+			this.cacheCanvas.height = this.renderHeight;
 
 			// TODO: bounding box?