Created
February 18, 2016 20:54
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UIColor extension for returning UIColor from hex code
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// Initialize a color from hex string with format #RRGGBB | |
extension UIColor { | |
convenience init(hex: String, alpha: CGFloat = 1) { | |
assert(hex[hex.startIndex] == "#", "Expected hex string of format #RRGGBB") | |
let scanner = NSScanner(string: hex) | |
scanner.scanLocation = 1 // skip # | |
var rgb: UInt32 = 0 | |
scanner.scanHexInt(&rgb) | |
self.init( | |
red: CGFloat((rgb & 0xFF0000) >> 16)/255.0, | |
green: CGFloat((rgb & 0xFF00) >> 8)/255.0, | |
blue: CGFloat((rgb & 0xFF) )/255.0, | |
alpha: alpha) | |
} | |
} |
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