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/*
* Copyright (C) 2011 Rudolf Polzer All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* RUDOLF POLZER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef S2TC_COMPRESSOR_H
#define S2TC_COMPRESSOR_H
// note: this is a C header file!
#ifdef __cplusplus
extern "C" {
#endif
enum DitherMode
{
DITHER_NONE,
DITHER_SIMPLE,
DITHER_FLOYDSTEINBERG
};
void rgb565_image(unsigned char *out, const unsigned char *rgba, int w, int h, int srccomps, int alphabits, DitherMode dither);
enum DxtMode
{
DXT1,
DXT3,
DXT5
};
enum RefinementMode
{
REFINE_NEVER,
REFINE_ALWAYS,
REFINE_LOOP
};
typedef enum
{
RGB,
YUV,
SRGB,
SRGB_MIXED,
AVG,
WAVG,
W0AVG,
NORMALMAP
} ColorDistMode;
typedef void (*s2tc_encode_block_func_t) (unsigned char *out, const unsigned char *rgba, int iw, int w, int h, int nrandom);
s2tc_encode_block_func_t s2tc_encode_block_func(DxtMode dxt, ColorDistMode cd, int nrandom, RefinementMode refine);
#ifdef __cplusplus
}
#endif
#endif
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