gimp/app/base/hue-saturation.h

45 lines
1.5 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __HUE_SATURATION_H__
#define __HUE_SATURATION_H__
struct _HueSaturation
{
gdouble hue[7];
gdouble lightness[7];
gdouble saturation[7];
gint hue_transfer[6][256];
gint lightness_transfer[6][256];
gint saturation_transfer[6][256];
};
void hue_saturation_init (HueSaturation *hs);
void hue_saturation_partition_reset (HueSaturation *hs,
GimpHueRange partition);
void hue_saturation_calculate_transfers (HueSaturation *hs);
void hue_saturation (PixelRegion *srcPR,
PixelRegion *destPR,
HueSaturation *hs);
#endif /* __HUE_SATURATION_H__ */