https://medium.com/swlh/how-to-create-a-custom-gradient-in-swift-with-cagradientlayer-ios-swift-guide-190941cb3db2
lazy var gradient: CAGradientLayer = {
let gradient = CAGradientLayer()
gradient.type = .axial
gradient.colors = [
hexStringToUIColor(hex: "468d01"),
hexStringToUIColor(hex: "acdc08")
]
gradient.locations = [0,0.95]
return gradient
}()
func views() {
gradient.frame = logInView.bounds
logInView.layer.addSublayer(gradient)
let x = logInView.frame.origin.x
let y = logInView.frame.origin.y
print("x = ", x)
print("y = ", y)
gradient.startPoint = CGPoint(x: 0, y: y)
gradient.endPoint = CGPoint(x: 1, y: y)
}
func hexStringToUIColor (hex:String) -> CGColor {
var cString:String = hex.trimmingCharacters(in: .whitespacesAndNewlines).uppercased()
if (cString.hasPrefix("#")) {
cString.remove(at: cString.startIndex)
}
if ((cString.count) != 6) {
return UIColor.gray.cgColor
}
var rgbValue:UInt64 = 0
Scanner(string: cString).scanHexInt64(&rgbValue)
return CGColor(
red: CGFloat((rgbValue & 0xFF0000) >> 16) / 255.0,
green: CGFloat((rgbValue & 0x00FF00) >> 8) / 255.0,
blue: CGFloat(rgbValue & 0x0000FF) / 255.0,
alpha: CGFloat(1.0)
)
}