#import "GPUImageColorMatrixFilter.h"

@interface GPUImageHSBFilter : GPUImageColorMatrixFilter

/** Reset the filter to have no transformations.
 */
- (void)reset;

/** Add a hue rotation to the filter.
 The hue rotation is in the range [-360, 360] with 0 being no-change.
 Note that this adjustment is additive, so use the reset method if you need to.
 */
- (void)rotateHue:(float)h;

/** Add a saturation adjustment to the filter.
 The saturation adjustment is in the range [0.0, 2.0] with 1.0 being no-change.
 Note that this adjustment is additive, so use the reset method if you need to.
 */
- (void)adjustSaturation:(float)s;

/** Add a brightness adjustment to the filter.
 The brightness adjustment is in the range [0.0, 2.0] with 1.0 being no-change.
 Note that this adjustment is additive, so use the reset method if you need to.
 */
- (void)adjustBrightness:(float)b;

@end