session-ios/Signal/src/Loki/Style Guide/Gradients.swift

31 lines
784 B
Swift

@objc(LKGradient)
final class Gradient : NSObject {
let start: UIColor
let end: UIColor
private override init() { preconditionFailure("Use init(start:end:) instead.") }
@objc init(start: UIColor, end: UIColor) {
self.start = start
self.end = end
super.init()
}
}
@objc extension UIView {
@objc func setGradient(_ gradient: Gradient) {
let layer = CAGradientLayer()
layer.frame = UIScreen.main.bounds
layer.colors = [ gradient.start.cgColor, gradient.end.cgColor ]
self.layer.insertSublayer(layer, at: 0)
}
}
@objc(LKGradients)
final class Gradients : NSObject {
@objc static let defaultLokiBackground = Gradient(start: UIColor(hex: 0x171717), end: UIColor(hex:0x121212))
}