ColorExtension.swift

//
//  ColorExtension.swift
//
//  Created by Bastian Hoyer on 07.06.14.
//  Copyright (c) 2014 Bastian Hoyer. All rights reserved.
//

import UIKit

func int2rgb(rgbValue: CUnsignedInt) -> (CGFloat, CGFloat, CGFloat) {
    return (
        CGFloat((rgbValue & 0xff0000) >> 16) / 255.0,
        CGFloat((rgbValue & 0xFF00) >> 8) / 255.0,
        CGFloat(rgbValue & 0xFF) / 255.0
    )
}

extension UIColor {
    convenience init(hexValue: CUnsignedInt) {
        let (r,g,b) = int2rgb(hexValue)
        self.init(red: r, green: g, blue: b, alpha: 1.0)
    }
    convenience init(hexString: NSString) {
        var rgbValue : CUnsignedInt = 0
        NSScanner(string: hexString).scanHexInt(&rgbValue)
        let (r,g,b) = int2rgb(rgbValue)
        self.init(red: r, green: g, blue: b, alpha: 1.0)
    }
}