libr-ios/librx/UIColorExtension.swift

//
//  UIColorExtension.swift
//  librx
//
//  Created by Yunlong Zheng on 15/9/19.
//  Copyright (c) 2015年 librx. All rights reserved.
//

import Foundation

extension UIColor {
    convenience init(rgb: Int, alpha: CGFloat) {
        let r = CGFloat((rgb & 0xFF0000) >> 16)/255
        let g = CGFloat((rgb & 0xFF00) >> 8)/255
        let b = CGFloat(rgb & 0xFF)/255
        self.init(red: r, green: g, blue: b, alpha: alpha)
    }
    
    convenience init(rgb: Int) {
        self.init(rgb:rgb, alpha:1.0)
    }
}