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kevin49999/PerformantButton.swift

Last active July 11, 2017 16:38
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Fixes performance issues (ex: color blended layers) caused by setting layer.cornerRadius to achieve rounded corners
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PerformantButton.swift
class PerformantButton: UIButton {
@IBInspectable var cleanCorner: CGFloat = 0
@IBInspectable var cleanBackgroundColor: UIColor = .white
override func draw(_ rect: CGRect) {
let path = UIBezierPath(roundedRect: bounds, cornerRadius: cleanCorner)
titleLabel?.backgroundColor = cleanBackgroundColor
cleanBackgroundColor.set()
path.fill()
// Also need to set background color to background color of parent view.. can do in IB or programmatically
}
}
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