ThemeUtils.swift

//
//  ThemeUtils.swift
//  Gank
//
//  Created by 魏星 on 16/7/16.
//  Copyright © 2016年 wx. All rights reserved.
//

import Foundation
import UIKit
public class ThemeUtil {
    
    public static let DARK_PRIMARY_COLOR = "#66CCFF"
    public static let PRIMARY_COLOR = "#E91E63"
    public static let ACCENT_COLOR = "#FF4081"
    public static let DIVIDER_COLOR = "#B6B6B6"
    public static let LIGHT_PRIMARY_COLOR = "#F8BBD0"
    public static let SECONDARY_TEXT_COLOR = "#727272"
    public static let PRIMARY_TEXT_COLOR = "#212121"
    
    static func colorWithHexString (hex:String) -> UIColor {
        var cString:String = hex.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceAndNewlineCharacterSet()).uppercaseString
        
        if (cString.hasPrefix("#")) {
            cString = (cString as NSString).substringFromIndex(1)
        }
        
        if (cString.characters.count != 6) {
            return UIColor.grayColor()
        }
        
        let rString = (cString as NSString).substringToIndex(2)
        let gString = ((cString as NSString).substringFromIndex(2) as NSString).substringToIndex(2)
        let bString = ((cString as NSString).substringFromIndex(4) as NSString).substringToIndex(2)
        
        var r:CUnsignedInt = 0, g:CUnsignedInt = 0, b:CUnsignedInt = 0;
        NSScanner(string: rString).scanHexInt(&r)
        NSScanner(string: gString).scanHexInt(&g)
        NSScanner(string: bString).scanHexInt(&b)
        
     
        return UIColor(red: CGFloat(r) / 255.0, green: CGFloat(g) / 255.0, blue: CGFloat(b) / 255.0, alpha: CGFloat(1))
    }
}