RetroArch/libretro-common/formats/png/rpng_decode.h
2015-03-14 02:10:44 +01:00

45 lines
1.8 KiB
C

/* Copyright (C) 2010-2015 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (rpng.c).
* ---------------------------------------------------------------------------------------
*
* 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 THE AUTHORS OR COPYRIGHT HOLDERS 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 _RPNG_DECODE_H
#define _RPNG_DECODE_H
enum png_process_code
{
PNG_PROCESS_ERROR = -2,
PNG_PROCESS_ERROR_END = -1,
PNG_PROCESS_NEXT = 0,
PNG_PROCESS_END = 1,
};
enum png_chunk_type png_chunk_type(const struct png_chunk *chunk);
bool png_process_ihdr(struct png_ihdr *ihdr);
int png_reverse_filter_iterate(struct rpng_t *rpng,
uint32_t **data);
bool rpng_load_image_argb_process_init(struct rpng_t *rpng,
uint32_t **data, unsigned *width, unsigned *height);
#endif