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- /* The GIMP -- an image manipulation program
- * Copyright (C) 1995 Spencer Kimball and Peter Mattis
- *
- * gimplut.h: Copyright (C) 1999 Jay Cox <jaycox@earthlink.net>
- *
- * 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 __GIMP_LUT_H__
- #define __GIMP_LUT_H__
-
- #include "pixel_region.h"
-
-
- /* TODO: the GimpLutFunc should really be passed the ColorModel of the region,
- not just the number of channels */
- /* GimpLutFuncs should assume that the input and output gamma are 1.0
- and do no correction as this will be handled by gimp_lut_setup */
- typedef float (*GimpLutFunc)(void *user_data, int nchannels,
- int channel, float value);
-
- GimpLut * gimp_lut_new ();
- void gimp_lut_free (GimpLut *lut);
-
- void gimp_lut_setup (GimpLut *, GimpLutFunc,
- void *user_data,
- int nchannels);
-
- /* gimp_lut_setup_exact is currently identical to gimp_lut_setup. It
- however is guaranteed to never perform any interpolation or gamma
- correction on the lut */
- void gimp_lut_setup_exact (GimpLut *, GimpLutFunc,
- void *user_data,
- int nchannels);
-
- void gimp_lut_process (GimpLut *lut,
- PixelRegion *srcPR,
- PixelRegion *destPR);
-
- /* gimp_lut_process_inline is like gimp_lut_process except it uses a
- single PixelRegion as both the source and destination */
- void gimp_lut_process_inline(GimpLut *lut,
- PixelRegion *src_destPR);
-
- /* gimp_lut_process_2 is the same as gimp_lut_process but the lut
- perameter is last instead of first. this is necesary because
- pixel_region_process_paralell sends the user_data as the 1st
- parameter, and the image_map functions send user_data as the last
- parameter */
- void gimp_lut_process_2 (PixelRegion *srcPR,
- PixelRegion *destPR,
- GimpLut *lut);
-
- #endif /* __GIMP_LUT_H__ */
-