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December 7, 2022 12:14
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Backward compatible maskedCorners of iOS 11.
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| extension UIView { | |
| func roundCorners(_ corners: CACornerMask, radius: CGFloat) { | |
| if #available(iOS 11, *) { | |
| self.layer.cornerRadius = radius | |
| self.layer.maskedCorners = corners | |
| } else { | |
| var cornerMask = UIRectCorner() | |
| if(corners.contains(.layerMinXMinYCorner)){ | |
| cornerMask.insert(.topLeft) | |
| } | |
| if(corners.contains(.layerMaxXMinYCorner)){ | |
| cornerMask.insert(.topRight) | |
| } | |
| if(corners.contains(.layerMinXMaxYCorner)){ | |
| cornerMask.insert(.bottomLeft) | |
| } | |
| if(corners.contains(.layerMaxXMaxYCorner)){ | |
| cornerMask.insert(.bottomRight) | |
| } | |
| let path = UIBezierPath(roundedRect: self.bounds, byRoundingCorners: cornerMask, cornerRadii: CGSize(width: radius, height: radius)) | |
| let mask = CAShapeLayer() | |
| mask.path = path.cgPath | |
| self.layer.mask = mask | |
| } | |
| } | |
| } |
Thanks my god.
dude, this is awesome. Thanks for the code!
I don't even remember this code anymore. Glad that it is still useful.
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If you happen to get here and are on macOS, the fallback doesn't work as the APIs are a little different and you can't grab a
CGPathstraight from anNSBezierPath, nor can you natively create anNSBezierPathwith specific corners rounded. To make anNSBezierPathwith specific rounded corners, use theNSBezierPathcode you can get from here (MIT licensed) with whatever adjustments you need for your codebase. Then translate it to aCGPathusing the code from here. Then, just like the gist, do: