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/*
* "$Id: curve-cache.h,v 1.1 2004/09/17 18:38:01 rleigh Exp $"
*
* Gimp-Print color management module - traditional Gimp-Print algorithm.
*
* Copyright 1997-2000 Michael Sweet (mike@easysw.com) and
* Robert Krawitz (rlk@alum.mit.edu)
*
* 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.
*/
/**
* @file gutenprint/curve-cache.h
* @brief Curve caching functions.
*/
/*
* This file must include only standard C header files. The core code must
* compile on generic platforms that don't support glib, gimp, gtk, etc.
*/
#ifndef GUTENPRINT_CURVE_CACHE_H
#define GUTENPRINT_CURVE_CACHE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <gutenprint/curve.h>
typedef struct
{
stp_curve_t *curve;
const double *d_cache;
const unsigned short *s_cache;
size_t count;
} stp_cached_curve_t;
extern void stp_curve_free_curve_cache(stp_cached_curve_t *cache);
extern void stp_curve_cache_curve_data(stp_cached_curve_t *cache);
extern stp_curve_t *stp_curve_cache_get_curve(stp_cached_curve_t *cache);
extern void stp_curve_cache_curve_invalidate(stp_cached_curve_t *cache);
extern void stp_curve_cache_set_curve(stp_cached_curve_t *cache,
stp_curve_t *curve);
extern void stp_curve_cache_set_curve_copy(stp_cached_curve_t *cache,
const stp_curve_t *curve);
extern const size_t stp_curve_cache_get_count(stp_cached_curve_t *cache);
extern const unsigned short *stp_curve_cache_get_ushort_data(stp_cached_curve_t *cache);
extern const double *stp_curve_cache_get_double_data(stp_cached_curve_t *cache);
extern void stp_curve_cache_copy(stp_cached_curve_t *dest,
const stp_cached_curve_t *src);
#define CURVE_CACHE_FAST_USHORT(cache) ((cache)->s_cache)
#define CURVE_CACHE_FAST_DOUBLE(cache) ((cache)->d_cache)
#define CURVE_CACHE_FAST_COUNT(cache) ((cache)->count)
#ifdef __cplusplus
}
#endif
#endif /* GUTENPRINT_CURVE_CACHE_H */
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