text: //
  //  GPUImageCustomLandmarkFilter.h
  //  GPUImageDemo
  //
  //  Created by iOS_Developer on 2019/7/16.
  //  Copyright © 2019年 iOS_Developer. All rights reserved.
  //
  
  #import <GPUImage/GPUImage.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface GPUImageCustomLandmarkFilter : GPUImageFilterGroup {
      GPUImageAlphaBlendFilter *alphaBlendFilter;
      GPUImageCrosshairGenerator *crosshairGenerator;
  }
  
  // Rendering
  - (void)renderCrosshairsFromArray:(GLfloat *)crosshairCoordinates count:(NSUInteger)numberOfCrosshairs;
  
  @end
  
  NS_ASSUME_NONNULL_END
  