81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/*
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Copyright 2019-2021, James R.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef APNG_H
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#define APNG_H
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#ifndef _MSC_VER
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#ifndef _LARGEFILE64_SOURCE
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#define _LARGEFILE64_SOURCE
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#endif
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#endif
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#ifndef _LFS64_LARGEFILE
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#define _LFS64_LARGEFILE
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#endif
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#ifndef _FILE_OFFSET_BITS
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#define _FILE_OFFSET_BITS 0
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#endif
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#include <png.h>
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typedef struct apng_info_def apng_info;
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typedef apng_info * apng_infop;
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typedef const apng_info * apng_const_infop;
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typedef apng_info * * apng_infopp;
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typedef void (*apng_seek_ptr)(png_structp, size_t);
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typedef size_t (*apng_tell_ptr)(png_structp);
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typedef png_uint_32 (*apng_set_acTL_ptr)(png_structp, png_infop,
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png_uint_32, png_uint_32);
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apng_infop apng_create_info_struct (png_structp png_ptr);
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void apng_destroy_info_struct (png_structp png_ptr,
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apng_infopp info_ptr_ptr);
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/* Call the following functions in place of the libpng counterparts. */
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png_uint_32 apng_set_acTL (png_structp png_ptr, png_infop info_ptr,
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apng_infop ainfo_ptr,
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png_uint_32 num_frames, png_uint_32 num_plays);
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void apng_write_info_before_PLTE (png_structp png_ptr, png_infop info_ptr,
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apng_infop ainfo_ptr);
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void apng_write_info (png_structp png_ptr, png_infop info_ptr,
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apng_infop ainfo_ptr);
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void apng_write_end (png_structp png_ptr, png_infop info_ptr,
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apng_infop ainfo_ptr);
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void apng_set_write_fn (png_structp png_ptr, apng_infop ainfo_ptr,
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png_voidp io_ptr,
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png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn,
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apng_seek_ptr output_seek_fn, apng_tell_ptr output_tell_fn);
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void apng_set_set_acTL_fn (png_structp png_ptr, apng_infop ainfo_ptr,
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apng_set_acTL_ptr set_acTL_fn);
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#endif/* APNG_H */
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