paiai_ios/PaiAi/PaiaiUIKit/Reusable/Extension/UIKit/UIImageExt.swift

//
//  UIImageExt.swift
//  ExtensionKit
//
//  Created by FFIB on 2017/9/14.
//  Copyright © 2017年 FFIB. All rights reserved.
//

import UIKit

extension UIImage {
    
    public func scaledImage(_ scale: CGFloat) -> UIImage? {
        let rect = CGRect(x: 0, y: 0, width: self.size.width * scale, height: self.size.height * scale).integral
        UIGraphicsBeginImageContextWithOptions(rect.size, true, UIScreen.main.scale)
        self.draw(in: rect)
        let image = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return image
    }
    
    public static func imageWithColor(_ color: UIColor) -> UIImage {
        let rect = CGRect(x: 0.0, y: 0.0, width: 1.0, height: 1.0)
        UIGraphicsBeginImageContext(rect.size)
        let context = UIGraphicsGetCurrentContext()
        context?.setFillColor(color.cgColor)
        context?.fill(rect)
        let image = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return image!
        
    }
}