         guard let queue = SNTrimController.queue,
               let psMask = SNTrimController.psMask,
               let pixelBuffer = self.pixelBuffer else {
-            print("SNTrim No Metal. User CPU")
+            print("SNTrim No Metal. Use CPU")
             return updateMaskColorCPU(color, fPlus: fPlus)
         }
         if maskColor == color {

            self.viewMain.transform = xform
        }
    }
    
    func cropRect() -> CGRect {
        let size = trimmedImage.size
        let (width, height) = (Int(size.width), Int(size.height))
        let data = NSMutableData(length: 4 * width * height)!

            }
        }
        let end = NSDate()
        print("SNTrim CPU \(size), \(end.timeIntervalSinceDate(start))")

        return frame
    }
