@class CIImage, CIVector, NSNumber; @interface CICMYKHalftone : CIFilter @property (retain, nonatomic) CIImage *inputImage; @property (retain, nonatomic) CIVector *inputCenter; @property (retain, nonatomic) NSNumber *inputWidth; @property (retain, nonatomic) NSNumber *inputAngle; @property (retain, nonatomic) NSNumber *inputSharpness; @property (retain, nonatomic) NSNumber *inputGCR; @property (retain, nonatomic) NSNumber *inputUCR; + (id)customAttributes; - (id)outputImage; - (id)_CICMYK_magenta; - (id)_CICMYK_convert; - (id)_CICMYK_black; - (id)_CICMYK_cyan; - (id)_CICMYK_yellow; - (id)_CIWhite; @end