Move Rectangle#transformCornerCoordinates() to Matrix#_transformCorners().

src/basic/Matrix.js

@@ -326,13 +326,22 @@ var Matrix = this.Matrix = Base.extend({
 		return dst;
 	},
 
+	_transformCorners: function(rect) {
+		var x1 = rect.x,
+			y1 = rect.y,
+			x2 = x1 + rect.width,
+			y2 = y1 + rect.height,
+			coords = [ x1, y1, x2, y1, x2, y2, x1, y2 ];
+		return this._transformCoordinates(coords, 0, coords, 0, 4);
+	},
+
 	/**
 	 * Returns the 'transformed' bounds rectangle by transforming each corner
 	 * point and finding the new bounding box to these points. This is not
 	 * really the transformed reactangle!
 	 */
 	_transformBounds: function(bounds) {
-		var coords = bounds.transformCornerCoordinates(this),
+		var coords = this._transformCorners(bounds),
 			min = coords.slice(0, 2),
 			max = coords.slice(0);
 		for (var i = 2; i < 8; i++) {

src/basic/Rectangle.js

@@ -229,20 +229,6 @@ var Rectangle = this.Rectangle = Base.extend({
 				+ ' }';
 	},
 
-	transformCornerCoordinates: function(matrix) {
-		var bottom = this.y + this.height,
-			right = this.x + this.width,
-			coords = [ 
-				this.x, this.y,
-				right, this.y,
-				right, bottom,
-				this.x, bottom
-			];
-		return matrix
-				? matrix._transformCoordinates(coords, 0, coords, 0, 4)
-				: coords;
-	},
-
 	statics: {
 		// See Point.create()
 		create: function(x, y, width, height) {

src/item/Item.js

@@ -636,7 +636,7 @@ var Item = this.Item = Base.extend({
 
 	statics: {
 		drawSelectedBounds: function(bounds, ctx, matrix) {
-			var coords = bounds.transformCornerCoordinates(matrix);
+			var coords = matrix._transformCorners(bounds);
 			ctx.beginPath();
 			for (var i = 0; i < 8; i++)
 				ctx[i == 0 ? 'moveTo' : 'lineTo'](coords[i], coords[++i]);