mirror of
https://github.com/libretro/RetroArch
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113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
/* Copyright (C) 2010-2015 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (rpng.h).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __LIBRETRO_SDK_FORMAT_RPNG_H__
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#define __LIBRETRO_SDK_FORMAT_RPNG_H__
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#include <stdint.h>
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#include <stddef.h>
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#include <boolean.h>
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#include <zlib.h>
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#ifdef HAVE_CONFIG_H
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#include "../../config.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct idat_buffer
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{
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uint8_t *data;
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size_t size;
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};
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struct png_chunk
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{
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uint32_t size;
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char type[4];
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uint8_t *data;
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};
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struct png_ihdr
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{
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uint32_t width;
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uint32_t height;
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uint8_t depth;
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uint8_t color_type;
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uint8_t compression;
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uint8_t filter;
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uint8_t interlace;
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};
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struct rpng_process_t
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{
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uint8_t *inflate_buf;
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size_t inflate_buf_size;
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z_stream stream;
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};
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struct rpng_t
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{
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struct rpng_process_t process;
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bool has_ihdr;
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bool has_idat;
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bool has_iend;
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bool has_plte;
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struct idat_buffer idat_buf;
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struct png_ihdr ihdr;
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uint8_t *buff_data;
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uint32_t palette[256];
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struct png_chunk chunk;
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};
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bool rpng_load_image_argb(const char *path, uint32_t **data,
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unsigned *width, unsigned *height);
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struct rpng_t *rpng_nbio_load_image_argb_init(const char *path);
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void rpng_nbio_load_image_free(struct rpng_t *rpng);
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bool rpng_nbio_load_image_argb_iterate(uint8_t *buf,
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struct rpng_t *rpng);
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bool rpng_nbio_load_image_argb_process(struct rpng_t *rpng,
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uint32_t **data, unsigned *width, unsigned *height);
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bool rpng_nbio_load_image_argb_start(struct rpng_t *rpng);
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#ifdef HAVE_ZLIB_DEFLATE
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bool rpng_save_image_argb(const char *path, const uint32_t *data,
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unsigned width, unsigned height, unsigned pitch);
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bool rpng_save_image_bgr24(const char *path, const uint8_t *data,
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unsigned width, unsigned height, unsigned pitch);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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