捏识别后捏到底还是补上？

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent*)event 
{
    NSLog(@\"---> event\");
}

- (void)scalePiece:(UIPinchGestureRecognizer *)gestureRecognizer
{
    //[self adjustAnchorPointForGestureRecognizer:gestureRecognizer];

    NSLog(@\"scalePiece\");

    if ([gestureRecognizer state] == UIGestureRecognizerStateBegan || [gestureRecognizer state] == UIGestureRecognizerStateChanged) {
        [gestureRecognizer view].transform = CGAffineTransformScale([[gestureRecognizer view] transform], [gestureRecognizer scale], [gestureRecognizer scale]);
        [gestureRecognizer setScale:1];
    }
}

if ([gestureRecognizer state] == UIGestureRecognizerStateEnded)