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| import UIKit | |
| extension Int { | |
| init?(hexString: String) { | |
| let string = hexString.replacingOccurrences(of: "#", with: "") | |
| self.init(string, radix: 16) | |
| } | |
| var rgb: (red: Int, green: Int, blue: Int) { | |
| let red = self >> 16 & 0xff | |
| let green = self >> 8 & 0xff | |
| let blue = self & 0xff | |
| return (red, green, blue) | |
| } | |
| } | |
| extension UIColor { | |
| convenience init(hex: Int, alpha: CGFloat = 1) { | |
| let (red, green, blue) = hex.rgb | |
| self.init(red: red, green: green, blue: blue, alpha: alpha) | |
| } | |
| convenience init(red: Int, green: Int, blue: Int, alpha: CGFloat = 1) { | |
| self.init(red: CGFloat(red)/255, green: CGFloat(green)/255, blue: CGFloat(blue)/255, alpha: alpha) | |
| } | |
| } | |
| 0xffffff.rgb // (255, 255, 255) | |
| 0x000000.rgb // (0, 0, 0) | |
| UIColor(hex: 0x0000ff) == .blue // true | |
| Int(hexString: "#E4723D")?.rgb // (red 228, green 114, blue 61) |
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