UIColor+Extension.swift
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//
// UIColor+Extension.swift
// Floral
//
// Created by ALin on 16/4/26.
// Copyright © 2016年 ALin. All rights reserved.
//
import UIKit
extension CALayer {
@IBInspectable
var borderUIColor: UIColor {
get {
return UIColor(cgColor: self.borderColor!)
}
set {
self.borderColor = newValue.cgColor
}
}
}
extension UIColor
{
/**
根据RGB生成颜色
- parameter r: red
- parameter g: green
- parameter b: blue
- returns: 颜色
*/
// convenience init(r: CGFloat, g: CGFloat, b: CGFloat) {
// self.init(red: r/255.0, green: g/255.0, blue: b/255.0, alpha: 1)
// }
/**
根据RGB生成颜色
- parameter r: red
- parameter g: green
- parameter b: blue
- parameter alpha: 透明度
- returns: 颜色
*/
// convenience init(r: CGFloat, g: CGFloat, b: CGFloat, alpha: CGFloat) {
// self.init(red: r/255.0, green: g/255.0, blue: b/255.0, alpha: alpha)
// }
/**
生成灰色
- parameter gray: 灰色
- returns: 颜色
*/
convenience init(gray: CGFloat) {
self.init(red: gray/255.0, green: gray/255.0, blue: gray/255.0, alpha: 1)
}
class func rgbaColorFromHex(_ rgb:Int, alpha: CGFloat) ->UIColor {
return UIColor(red: ((CGFloat)((rgb & 0xFF0000) >> 16)) / 255.0,
green: ((CGFloat)((rgb & 0xFF00) >> 8)) / 255.0,
blue: ((CGFloat)(rgb & 0xFF)) / 255.0,
alpha: alpha)
}
class func rgbColorFromHex(_ rgb:Int) ->UIColor {
return UIColor(red: ((CGFloat)((rgb & 0xFF0000) >> 16)) / 255.0,
green: ((CGFloat)((rgb & 0xFF00) >> 8)) / 255.0,
blue: ((CGFloat)(rgb & 0xFF)) / 255.0,
alpha: 1.0)
}
func trans2Image() -> UIImage {
let rect = CGRect(x: 0, y: 0, width: 1.0, height: 1.0)
UIGraphicsBeginImageContext(rect.size)
let context = UIGraphicsGetCurrentContext()
context?.setFillColor(self.cgColor)
context?.fill(rect)
let theImage = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
return theImage ?? UIImage()
}
// @objc func hexStringToColor(hexString: String) -> UIColor{
// var cString: String = hexString.trimmingCharacters(in: NSCharacterSet.whitespacesAndNewlines)
// if cString.characters.count < 6 { return UIColor.black }
// if cString.hasPrefix("0X") {cString = cString.substring(from: cString.index(cString.startIndex, offsetBy: 2))}
// if cString.hasPrefix("#") {cString = cString.substring(from: cString.index(cString.startIndex, offsetBy: 1))}
// if cString.characters.count != 6 {return UIColor.black}
// var range: NSRange = NSMakeRange(0, 2)
// let rString = (cString as NSString).substring(with: range)
// range.location = 2
// let gString = (cString as NSString).substring(with: range)
// range.location = 4
// let bString = (cString as NSString).substring(with: range)
//
// var r: UInt32 = 0x0
// var g: UInt32 = 0x0
// var b: UInt32 = 0x0
// Scanner.init(string: rString).scanHexInt32(&r)
// Scanner.init(string: gString).scanHexInt32(&g)
// Scanner.init(string: bString).scanHexInt32(&b)
//
// return UIColor(red: CGFloat(r)/255.0, green: CGFloat(g)/255.0, blue: CGFloat(b)/255.0, alpha: CGFloat(1))
//
// }
}