如何仅设置底角的半径

Question

如何仅设置底部两个角的半径，如上图所示？

Answer 1

我刚刚完成了（对于Swift 3，但它也可能对你有帮助），你应该有你的图像的插座，例如名为yourImage然后在viewDidLoad上执行此操作：

    let shapeLayer = CAShapeLayer()
   shapeLayer.path = UIBezierPath(roundedRect: yourImage.bounds, byRoundingCorners: [.bottomLeft, .bottomRight], cornerRadii: CGSize(width: 30, height: 30)).cgPath
yourImage.layer.mask = shapeLayer

Answer 2

自从我上次编写Objective-c代码以来，它实际上是MONTHS，因为我想再次托盘，这是使用Swift 3.0编写的Mago Nicolas Palacios的Objective-c版本。

UIImageView *sampleImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"sample"]];
CGSize size = CGSizeMake(30, 30);
UIBezierPath *bezierPath = [UIBezierPath bezierPathWithRoundedRect:sampleImage.bounds
                                                 byRoundingCorners:(UIRectCornerBottomRight | UIRectCornerTopLeft)
                                                       cornerRadii:size];
CAShapeLayer *shapeLayer = [CAShapeLayer layer];
[shapeLayer setPath:[bezierPath CGPath]];
sampleImage.layer.mask = shapeLayer;