[GPUImage] - Blend and Tone Curve filters GPUImageFilterGroup subclass

gistfile1.m

#import "GPUImageBlendTone.h"
#import "GPUImage.h"

@implementation GPUImageBlendTone


- (id)init;
{
  if (!(self = [super init]))
  {
  	return nil;
  }
  
  UIImage *inputImage14 = [UIImage imageNamed:@"blackboard1024.png"];
  GPUImagePicture* sourcePicture = [[GPUImagePicture alloc] initWithImage:inputImage14 smoothlyScaleOutput:YES];
  GPUImageOverlayBlendFilter * overlay14 = [[GPUImageOverlayBlendFilter alloc] init];
  [self addFilter:overlay14];
  [sourcePicture addTarget:overlay14 atTextureLocation:1];
  
  [sourcePicture processImage];
  
  GPUImageToneCurveFilter * toneFilter = [[GPUImageToneCurveFilter alloc] initWithACV:@"cross_1"];
  [self addFilter:toneFilter];
  
  [overlay14 addTarget:toneFilter];
  
  [self setInitialFilters:[NSArray arrayWithObject:overlay14]];
  [self setTerminalFilter:toneFilter];
  
  return self;
}



@end