#import "PGPhotoEditorItem.h" @class PGPhotoFilterDefinition; @class PGPhotoProcessPass; @interface PGPhotoFilter : NSObject { PGPhotoProcessPass *_pass; } @property (nonatomic, readonly) PGPhotoFilterDefinition *definition; @property (nonatomic, retain) PGPhotoProcessPass *pass; @property (nonatomic, readonly) PGPhotoProcessPass *optimizedPass; - (void)invalidate; + (PGPhotoFilter *)filterWithDefinition:(PGPhotoFilterDefinition *)definition; @end