text: //
  //  GPUImagePicture+TextureSubimage.h
  //  GPUImage
  //
  //  Created by Jack Wu on 2014-05-28.
  //  Copyright (c) 2014 Brad Larson. All rights reserved.
  //
  
  #import "GPUImagePicture.h"
  
  @interface GPUImagePicture (TextureSubimage)
  
  - (void)replaceTextureWithSubimage:(UIImage*)subimage;
  - (void)replaceTextureWithSubCGImage:(CGImageRef)subimageSource;
  
  - (void)replaceTextureWithSubimage:(UIImage*)subimage inRect:(CGRect)subRect;
  - (void)replaceTextureWithSubCGImage:(CGImageRef)subimageSource inRect:(CGRect)subRect;
  
  @end
  