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https://github.com/libretro/RetroArch
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49 lines
2.1 KiB
C
49 lines
2.1 KiB
C
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/* 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.c).
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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 _RPNG_DECODE_H
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#define _RPNG_DECODE_H
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enum png_chunk_type png_chunk_type(const struct png_chunk *chunk);
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void png_pass_geom(const struct png_ihdr *ihdr,
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unsigned width, unsigned height,
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unsigned *bpp_out, unsigned *pitch_out, size_t *pass_size);
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bool png_process_ihdr(struct png_ihdr *ihdr);
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int png_reverse_filter_init(const struct png_ihdr *ihdr,
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struct rpng_process_t *pngp);
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int png_reverse_filter_adam7(uint32_t **data,
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const struct png_ihdr *ihdr,
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struct rpng_process_t *pngp);
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int png_reverse_filter_regular_loop(uint32_t **data,
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const struct png_ihdr *ihdr,
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struct rpng_process_t *pngp);
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bool png_reverse_filter_loop(struct rpng_t *rpng,
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uint32_t **data);
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#endif
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