text: //
  //  UIImage+mask.h
  //  tiaooo
  //
  //  Created by ClaudeLi on 16/4/22.
  //  Copyright © 2016年 dali. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface UIImage (mask)
  /**
   *  遮罩层, RGBA=(0, 0, 0, 0.6)
   *
   *  @param maskRect  遮罩层的Rect
   *  @param clearRect 镂空的Rect
   *
   *  @return 遮罩层图片
   */
  + (UIImage *)maskImageWithMaskRect:(CGRect)maskRect clearRect:(CGRect)clearRect;
  
  @end
  