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Merge pull request #47 from igorkulman/feature/argb-support
ARGB support
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// | ||
// File.swift | ||
// | ||
// | ||
// Created by Igor Kulman on 07.02.2021. | ||
// | ||
// adapted from https://stackoverflow.com/a/33397427 | ||
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import Foundation | ||
import Cocoa | ||
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extension NSColor { | ||
convenience init?(hexString: String) { | ||
let hex = hexString.trimmingCharacters(in: CharacterSet.alphanumerics.inverted) | ||
var int = UInt64() | ||
Scanner(string: hex).scanHexInt64(&int) | ||
let a, r, g, b: UInt64 | ||
switch hex.count { | ||
case 3: // RGB (12-bit) | ||
(a, r, g, b) = (255, (int >> 8) * 17, (int >> 4 & 0xF) * 17, (int & 0xF) * 17) | ||
case 6: // RGB (24-bit) | ||
(a, r, g, b) = (255, int >> 16, int >> 8 & 0xFF, int & 0xFF) | ||
case 8: // ARGB (32-bit) | ||
(a, r, g, b) = (int >> 24, int >> 16 & 0xFF, int >> 8 & 0xFF, int & 0xFF) | ||
default: | ||
return nil | ||
} | ||
self.init(red: CGFloat(r) / 255, green: CGFloat(g) / 255, blue: CGFloat(b) / 255, alpha: CGFloat(a) / 255) | ||
} | ||
} |