#import <UIKit/UIKit.h>
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#import "GPUImageOutput.h"
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@interface GPUImagePicture : GPUImageOutput
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{
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CGSize pixelSizeOfImage;
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BOOL hasProcessedImage;
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dispatch_semaphore_t imageUpdateSemaphore;
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}
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// Initialization and teardown
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- (id)initWithURL:(NSURL *)url;
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- (id)initWithImage:(UIImage *)newImageSource;
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- (id)initWithCGImage:(CGImageRef)newImageSource;
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- (id)initWithImage:(UIImage *)newImageSource smoothlyScaleOutput:(BOOL)smoothlyScaleOutput;
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- (id)initWithCGImage:(CGImageRef)newImageSource smoothlyScaleOutput:(BOOL)smoothlyScaleOutput;
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// Image rendering
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- (void)processImage;
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- (CGSize)outputImageSize;
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/**
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* Process image with all targets and filters asynchronously
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* The completion handler is called after processing finished in the
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* GPU's dispatch queue - and only if this method did not return NO.
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*
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* @returns NO if resource is blocked and processing is discarded, YES otherwise
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*/
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- (BOOL)processImageWithCompletionHandler:(void (^)(void))completion;
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- (void)processImageUpToFilter:(GPUImageOutput<GPUImageInput> *)finalFilterInChain withCompletionHandler:(void (^)(UIImage *processedImage))block;
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@end
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