Box draws texture according to its bounds

box.go

@@ -285,7 +285,7 @@ func (this *box) Draw (can canvas.Canvas) {
 	if this.transparent() && this.parent != nil {
 		this.parent.drawBackgroundPart(can)
 	}
-	pen.Rectangle(can.Bounds())
+	pen.Rectangle(this.Bounds())
 }
 
 func (this *box) drawBorders (can canvas.Canvas) {