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/* babl - dynamically extendable universal pixel conversion library.
* Copyright (C) 2005-2008, Øyvind Kolås and others.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef _BABL_H
#error this file is only to be included by babl.h
#endif
/****************************************************************/
/* BablConversion */
BABL_NAMED_CLASS (conversion);
/*
* Babl * babl_conversion_new (<BablFormat *source, BablFormat *destination|
* BablModel *source, BablModel *destination|
* BablType *source, BablType *destination>,
* <"linear"|"planar">, BablConversionFunc conv_func,
* NULL);
*/
Babl *babl_conversion_id (int id);
void babl_conversion_each (BablEachFunction each_fun,
void *user_data);
Babl * babl_conversion (const char *name);
Babl * babl_conversion_new (void *first_arg,
...) BABL_ARG_NULL_TERMINATED;
/* Type and Format */
typedef long (*BablFuncLinear) (char *src,
char *dst,
long n);
/* Signature of functions registered for reference type
* conversions,
*/
typedef long (*BablFuncPlane) (char *src,
char *dst,
int src_pitch,
int dst_pitch,
long n);
/* TypePlanar,ModelPlanar and FormatPlanar */
typedef long (*BablFuncPlanar) (int src_bands,
char *src[],
int src_pitch[],
int dst_bands,
char *dst[],
int dst_pitch[],
long n);
typedef struct
BablConversion {
BablInstance instance;
const Babl *source;
const Babl *destination;
long cost;
double error;
union
{
BablFuncLinear linear;
BablFuncPlane plane;
BablFuncPlanar planar;
} function;
int processings;
long pixels;
} BablConversion;
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