swiftui color form hex

extension UIColor { convenience init(hexaString: String, alpha: CGFloat = 1) { let chars = Array(hexaString.dropFirst()) self.init(red: .init(strtoul(String(chars[0...1]),nil,16))/255, green: .init(strtoul(String(chars[2...3]),nil,16))/255, blue: .init(strtoul(String(chars[4...5]),nil,16))/255, alpha: alpha)} } let redColor = UIColor(hexaString: "#FF0000") // r 1,0 g 0,0 b 0,0 a 1,0 let transparentRed = UIColor(hexaString: "#FF0000", alpha: 0.5) // r 1,0 g 0,0 b 0,0 a 0,5

swift hex color

//https://stackoverflow.com/questions/24263007/how-to-use-hex-color-values
var color1 = hexStringToUIColor("#d3d3d3")

//Create Func
func hexStringToUIColor (hex:String) -> UIColor {
    var cString:String = hex.trimmingCharacters(in: .whitespacesAndNewlines).uppercased()

    if (cString.hasPrefix("#")) {
        cString.remove(at: cString.startIndex)
    }

    if ((cString.count) != 6) {
        return UIColor.gray
    }

    var rgbValue:UInt64 = 0
    Scanner(string: cString).scanHexInt64(&rgbValue)

    return UIColor(
        red: CGFloat((rgbValue & 0xFF0000) >> 16) / 255.0,
        green: CGFloat((rgbValue & 0x00FF00) >> 8) / 255.0,
        blue: CGFloat(rgbValue & 0x0000FF) / 255.0,
        alpha: CGFloat(1.0)
    )
}

Posted by: Guest on February-13-2021

Source

Code answers related to "swiftui color form hex"

Code answers related to "Swift"

Browse Popular Code Answers by Language

Answers for "swiftui color form hex"

Code answers related to "swiftui color form hex"

Code answers related to "Swift"

Browse Popular Code Answers by Language

Popular Programming Languages

Advertisements

Company

Compilers

Help

Connect with us