[iOS, Objectice-C] UIView 모서리 둥글게 만들기2 - 한쪽만 둥글게 만들기

-(void) setMaskTo:(UIView*)view byRoundingCorners:(UIRectCorner)corners cornerRadius:(CGFloat)cornerRadius{
    UIBezierPath* rounded = [UIBezierPath bezierPathWithRoundedRect:view.bounds
                                                  byRoundingCorners:corners
                                                        cornerRadii:CGSizeMake(cornerRadius, cornerRadius)];
    
    CAShapeLayer* shape = [[CAShapeLayer alloc] init];
    [shape setPath:rounded.CGPath];
    view.layer.mask = shape;
}

view.frame = CGRectMake...하고나서
[self setMaskTo:view byRoundingCorners:...];
을 호출해주어야지 정상적으로 라운딩된 뷰를 볼 수 있다.