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Support aPNG in new versions of libpng
A known issue: iTXt cannot be written (yet). I may do something about that. For now, this is likely good enough. Who cares about the extra text anyway?
This commit is contained in:
james
James R
parent
1c3fe3ce83
commit
79736e40aa
4 changed files with 380 additions and 78 deletions
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@ -341,6 +341,8 @@ endif
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LIBS+=$(PNG_LDFLAGS)
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CFLAGS+=$(PNG_CFLAGS)
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OBJS+=$(OBJDIR)/apng.o
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endif
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ifdef HAVE_LIBGME
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264
src/apng.c
Normal file
264
src/apng.c
Normal file
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@ -0,0 +1,264 @@
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/*
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Copyright 2018, 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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#include <stdlib.h>
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#include <string.h>
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#include "apng.h"
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#define APNG_WROTE_acTL 0x10000U
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struct apng_info_def
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{
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png_uint_32 mode;
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png_uint_32 valid;
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png_uint_32 num_frames;
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png_uint_32 num_plays;
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long start_acTL;/* acTL is written here */
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png_flush_ptr output_flush_fn;
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apng_seek_ptr output_seek_fn;
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apng_tell_ptr output_tell_fn;
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apng_set_acTL_ptr set_acTL_fn;
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};
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/* PROTOS (FUCK COMPILER) */
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void apng_seek (png_structrp, apng_const_inforp, size_t);
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size_t apng_tell (png_structrp, apng_const_inforp);
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#ifdef PNG_WRITE_FLUSH_SUPPORTED
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void apng_flush (png_structrp, apng_inforp);
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#ifdef PNG_STDIO_SUPPORTED
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void apng_default_flush (png_structrp);
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#endif/* PNG_STDIO_SUPPORTED */
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#endif/* PNG_WRITE_FLUSH_SUPPORTED */
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#ifdef PNG_STDIO_SUPPORTED
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void apng_default_seek (png_structrp, size_t);
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size_t apng_default_tell (png_structrp);
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#endif/* PNG_STDIO_SUPPORTED */
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void apng_write_IEND (png_structrp);
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void apng_write_acTL (png_structrp, png_uint_32, png_uint_32);
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apng_infop
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apng_create_info_struct (png_structrp pngp)
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{
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apng_infop ainfop;
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(void)pngp;
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if (( ainfop = calloc(sizeof (apng_info),1) ))
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{
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apng_set_write_fn(pngp, ainfop, 0, 0, 0, 0, 0);
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apng_set_set_acTL_fn(pngp, ainfop, 0);
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}
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return ainfop;
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}
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void
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apng_destroy_info_struct (png_structrp pngp, apng_infopp ainfopp)
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{
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(void)pngp;
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if (!( pngp && ainfopp ))
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return;
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free((*ainfopp));
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}
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void
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apng_seek (png_structrp pngp, apng_const_inforp ainfop, size_t l)
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{
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(*(ainfop->output_seek_fn))(pngp, l);
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}
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size_t
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apng_tell (png_structrp pngp, apng_const_inforp ainfop)
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{
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return (*(ainfop->output_tell_fn))(pngp);
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}
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#ifdef PNG_WRITE_FLUSH_SUPPORTED
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void
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apng_flush (png_structrp pngp, apng_inforp ainfop)
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{
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if (ainfop->output_flush_fn)
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(*(ainfop->output_flush_fn))(pngp);
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}
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#ifdef PNG_STDIO_SUPPORTED
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void
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apng_default_flush (png_structrp pngp)
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{
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if (!( pngp ))
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return;
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fflush((png_FILE_p)png_get_io_ptr);
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}
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#endif/* PNG_STDIO_SUPPORTED */
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#endif/* PNG_WRITE_FLUSH_SUPPORTED */
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#ifdef PNG_STDIO_SUPPORTED
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void
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apng_default_seek (png_structrp pngp, size_t l)
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{
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if (!( pngp ))
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return;
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if (fseek((png_FILE_p)png_get_io_ptr(pngp), (long)l, SEEK_SET) == -1)
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png_error(pngp, "Seek Error");
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}
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size_t
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apng_default_tell (png_structrp pngp)
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{
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long l;
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if (!( pngp ))
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{
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png_error(pngp, "Call to apng_default_tell with NULL pngp failed");
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}
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if (( l = ftell((png_FILE_p)png_get_io_ptr(pngp)) ) == -1)
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png_error(pngp, "Tell Error");
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return (size_t)l;
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}
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#endif/* PNG_STDIO_SUPPORTED */
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void
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apng_set_write_fn (png_structrp pngp, apng_inforp ainfop, png_voidp iop,
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png_rw_ptr write_f, png_flush_ptr flush_f,
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apng_seek_ptr seek_f, apng_tell_ptr tell_f)
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{
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if (!( pngp && ainfop ))
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return;
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png_set_write_fn(pngp, iop, write_f, flush_f);
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#ifdef PNG_WRITE_FLUSH_SUPPORTED
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#ifdef PNG_STDIO_SUPPORTED
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if (!flush_f)
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ainfop->output_flush_fn = &apng_default_flush;
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else
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#endif/* PNG_STDIO_SUPPORTED */
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ainfop->output_flush_fn = flush_f;
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#endif/* PNG_WRITE_FLUSH_SUPPORTED */
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#ifdef PNG_STDIO_SUPPORTED
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if (!seek_f)
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ainfop->output_seek_fn = &apng_default_seek;
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else
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#endif/* PNG_STDIO_SUPPORTED */
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ainfop->output_seek_fn = seek_f;
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#ifdef PNG_STDIO_SUPPORTED
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if (!seek_f)
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ainfop->output_tell_fn = apng_default_tell;
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else
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#endif/* PNG_STDIO_SUPPORTED */
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ainfop->output_tell_fn = tell_f;
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}
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void
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apng_write_IEND (png_structrp pngp)
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{
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png_write_chunk(pngp, (png_const_bytep)"IEND", 0, 0);
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}
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void
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apng_write_acTL (png_structrp pngp, png_uint_32 frames, png_uint_32 plays)
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{
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png_byte buf[8];
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png_save_uint_32(buf, frames);
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png_save_uint_32(buf + 4, plays);
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png_write_chunk(pngp, (png_const_bytep)"acTL", buf, 8);
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}
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png_uint_32
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apng_set_acTL (png_structp pngp, png_infop infop, apng_infop ainfop,
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png_uint_32 frames, png_uint_32 plays)
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{
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(void)pngp;
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(void)infop;
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if (!( pngp && infop && ainfop ))
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return 0;
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ainfop->num_frames = frames;
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ainfop->num_plays = plays;
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ainfop->valid |= PNG_INFO_acTL;
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return 1;
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}
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void
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apng_write_info_before_PLTE (png_structrp pngp, png_inforp infop,
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apng_inforp ainfop)
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{
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if (!( pngp && infop && ainfop ))
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return;
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png_write_info_before_PLTE(pngp, infop);
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if (( ainfop->valid & PNG_INFO_acTL ) &&!( ainfop->mode & APNG_WROTE_acTL ))
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{
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ainfop->start_acTL = apng_tell(pngp, ainfop);
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apng_write_acTL(pngp, 0, 0);
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/* modified for runtime dynamic linking */
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(*(ainfop->set_acTL_fn))(pngp, infop, PNG_UINT_31_MAX, 0);
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ainfop->mode |= APNG_WROTE_acTL;
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}
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}
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void
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apng_write_info (png_structrp pngp, png_inforp infop,
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apng_inforp ainfop)
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{
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apng_write_info_before_PLTE(pngp, infop, ainfop);
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png_write_info(pngp, infop);
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}
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void
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apng_write_end (png_structp pngp, png_inforp infop, apng_inforp ainfop)
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{
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(void)infop;
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apng_write_IEND(pngp);
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apng_seek(pngp, ainfop, ainfop->start_acTL);
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apng_write_acTL(pngp, ainfop->num_frames, ainfop->num_plays);
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#ifdef PNG_WRITE_FLUSH_SUPPORTED
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#ifdef PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED
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apng_flush(pngp, infop);
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#endif/* PNG_WRITE_FLUSH_SUPPORTED */
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#endif/* PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED */
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}
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/* Dynamic runtime linking capable! (Hopefully.) */
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void
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apng_set_set_acTL_fn (png_structrp pngp, apng_inforp ainfop,
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apng_set_acTL_ptr set_acTL_f)
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{
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(void)pngp;
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if (!ainfop->set_acTL_fn)
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ainfop->set_acTL_fn = &png_set_acTL;
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else
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ainfop->set_acTL_fn = set_acTL_f;
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}
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69
src/apng.h
Normal file
69
src/apng.h
Normal file
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@ -0,0 +1,69 @@
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/*
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Copyright 2018, 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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#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 apng_info * PNG_RESTRICT apng_inforp;
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typedef const apng_info * PNG_RESTRICT apng_const_inforp;
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typedef void (*apng_seek_ptr)(png_structrp, size_t);
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typedef size_t (*apng_tell_ptr)(png_structrp);
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typedef png_uint_32 (*apng_set_acTL_ptr)(png_structrp, png_inforp,
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png_uint_32, png_uint_32);
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apng_infop apng_create_info_struct (png_structrp png_ptr);
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void apng_destroy_info_struct (png_structrp 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_structrp png_ptr, png_inforp info_ptr,
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apng_inforp ainfo_ptr);
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void apng_write_info (png_structrp png_ptr, png_inforp info_ptr,
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apng_inforp ainfo_ptr);
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void apng_write_end (png_structrp png_ptr, png_inforp info_ptr,
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apng_inforp ainfo_ptr);
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void apng_set_write_fn (png_structrp png_ptr, apng_inforp 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_structrp png_ptr, apng_inforp ainfo_ptr,
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apng_set_acTL_ptr set_acTL_fn);
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#endif/* APNG_H */
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123
src/m_misc.c
123
src/m_misc.c
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@ -93,9 +93,8 @@ typedef off_t off64_t;
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#ifdef PNG_WRITE_SUPPORTED
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#define USE_PNG // Only actually use PNG if write is supported.
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#if defined (PNG_WRITE_APNG_SUPPORTED) //|| !defined(PNG_STATIC)
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#if (PNG_LIBPNG_VER_MAJOR) == 1 && (PNG_LIBPNG_VER_MINOR <= 4) // Supposedly, the current APNG code can't work on newer versions as is
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#include "apng.h"
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#define USE_APNG
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#endif
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#endif
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// See hardware/hw_draw.c for a similar check to this one.
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#endif
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@ -795,13 +794,13 @@ static inline void M_PNGImage(png_structp png_ptr, png_infop png_info_ptr, PNG_C
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#ifdef USE_APNG
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static png_structp apng_ptr = NULL;
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static png_infop apng_info_ptr = NULL;
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static apng_infop apng_ainfo_ptr = NULL;
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static png_FILE_p apng_FILE = NULL;
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static png_uint_32 apng_frames = 0;
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static png_byte acTL_cn[5] = { 97, 99, 84, 76, '\0'};
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#ifdef PNG_STATIC // Win32 build have static libpng
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#define apng_set_acTL png_set_acTL
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#define apng_write_frame_head png_write_frame_head
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#define apng_write_frame_tail png_write_frame_tail
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#define aPNG_set_acTL png_set_acTL
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#define aPNG_write_frame_head png_write_frame_head
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#define aPNG_write_frame_tail png_write_frame_tail
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#else // outside libpng may not have apng support
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#ifndef PNG_WRITE_APNG_SUPPORTED // libpng header may not have apng patch
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@ -838,20 +837,20 @@ static png_byte acTL_cn[5] = { 97, 99, 84, 76, '\0'};
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#endif
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#endif
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typedef PNG_EXPORT(png_uint_32, (*P_png_set_acTL)) PNGARG((png_structp png_ptr,
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png_infop info_ptr, png_uint_32 num_frames, png_uint_32 num_plays));
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typedef PNG_EXPORT (void, (*P_png_write_frame_head)) PNGARG((png_structp png_ptr,
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typedef png_uint_32 (*P_png_set_acTL) (png_structp png_ptr,
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png_infop info_ptr, png_uint_32 num_frames, png_uint_32 num_plays);
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typedef void (*P_png_write_frame_head) (png_structp png_ptr,
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png_infop info_ptr, png_bytepp row_pointers,
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png_uint_32 width, png_uint_32 height,
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png_uint_32 x_offset, png_uint_32 y_offset,
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png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op,
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png_byte blend_op));
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png_byte blend_op);
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typedef PNG_EXPORT (void, (*P_png_write_frame_tail)) PNGARG((png_structp png_ptr,
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png_infop info_ptr));
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static P_png_set_acTL apng_set_acTL = NULL;
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static P_png_write_frame_head apng_write_frame_head = NULL;
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static P_png_write_frame_tail apng_write_frame_tail = NULL;
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typedef void (*P_png_write_frame_tail) (png_structp png_ptr,
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png_infop info_ptr);
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static P_png_set_acTL aPNG_set_acTL = NULL;
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static P_png_write_frame_head aPNG_write_frame_head = NULL;
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static P_png_write_frame_tail aPNG_write_frame_tail = NULL;
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#endif
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static inline boolean M_PNGLib(void)
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@ -860,7 +859,7 @@ static inline boolean M_PNGLib(void)
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return true;
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#else
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static void *pnglib = NULL;
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if (apng_set_acTL && apng_write_frame_head && apng_write_frame_tail)
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if (aPNG_set_acTL && aPNG_write_frame_head && aPNG_write_frame_tail)
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return true;
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if (pnglib)
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return false;
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@ -880,16 +879,16 @@ static inline boolean M_PNGLib(void)
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if (!pnglib)
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return false;
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#ifdef HAVE_SDL
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apng_set_acTL = hwSym("png_set_acTL", pnglib);
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apng_write_frame_head = hwSym("png_write_frame_head", pnglib);
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apng_write_frame_tail = hwSym("png_write_frame_tail", pnglib);
|
||||
aPNG_set_acTL = hwSym("png_set_acTL", pnglib);
|
||||
aPNG_write_frame_head = hwSym("png_write_frame_head", pnglib);
|
||||
aPNG_write_frame_tail = hwSym("png_write_frame_tail", pnglib);
|
||||
#endif
|
||||
#ifdef _WIN32
|
||||
apng_set_acTL = GetProcAddress("png_set_acTL", pnglib);
|
||||
apng_write_frame_head = GetProcAddress("png_write_frame_head", pnglib);
|
||||
apng_write_frame_tail = GetProcAddress("png_write_frame_tail", pnglib);
|
||||
aPNG_set_acTL = GetProcAddress("png_set_acTL", pnglib);
|
||||
aPNG_write_frame_head = GetProcAddress("png_write_frame_head", pnglib);
|
||||
aPNG_write_frame_tail = GetProcAddress("png_write_frame_tail", pnglib);
|
||||
#endif
|
||||
return (apng_set_acTL && apng_write_frame_head && apng_write_frame_tail);
|
||||
return (aPNG_set_acTL && aPNG_write_frame_head && aPNG_write_frame_tail);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
|
@ -903,11 +902,6 @@ static void M_PNGFrame(png_structp png_ptr, png_infop png_info_ptr, png_bytep pn
|
|||
|
||||
apng_frames++;
|
||||
|
||||
#ifndef PNG_STATIC
|
||||
if (apng_set_acTL)
|
||||
#endif
|
||||
apng_set_acTL(apng_ptr, apng_info_ptr, apng_frames, 0);
|
||||
|
||||
for (y = 0; y < height; y++)
|
||||
{
|
||||
row_pointers[y] = png_buf;
|
||||
|
|
@ -915,9 +909,9 @@ static void M_PNGFrame(png_structp png_ptr, png_infop png_info_ptr, png_bytep pn
|
|||
}
|
||||
|
||||
#ifndef PNG_STATIC
|
||||
if (apng_write_frame_head)
|
||||
if (aPNG_write_frame_head)
|
||||
#endif
|
||||
apng_write_frame_head(apng_ptr, apng_info_ptr, row_pointers,
|
||||
aPNG_write_frame_head(apng_ptr, apng_info_ptr, row_pointers,
|
||||
vid.width, /* width */
|
||||
height, /* height */
|
||||
0, /* x offset */
|
||||
|
|
@ -930,57 +924,21 @@ static void M_PNGFrame(png_structp png_ptr, png_infop png_info_ptr, png_bytep pn
|
|||
png_write_image(png_ptr, row_pointers);
|
||||
|
||||
#ifndef PNG_STATIC
|
||||
if (apng_write_frame_tail)
|
||||
if (aPNG_write_frame_tail)
|
||||
#endif
|
||||
apng_write_frame_tail(apng_ptr, apng_info_ptr);
|
||||
aPNG_write_frame_tail(apng_ptr, apng_info_ptr);
|
||||
|
||||
png_free(png_ptr, (png_voidp)row_pointers);
|
||||
}
|
||||
|
||||
static inline boolean M_PNGfind_acTL(void)
|
||||
static void M_PNGfix_acTL(png_structp png_ptr, png_infop png_info_ptr,
|
||||
apng_infop png_ainfo_ptr)
|
||||
{
|
||||
png_byte cn[8]; // 4 bytes for len then 4 byes for name
|
||||
long endpos = ftell(apng_FILE); // not the real end of file, just what of libpng wrote
|
||||
for (fseek(apng_FILE, 0, SEEK_SET); // let go to the start of the file
|
||||
ftell(apng_FILE)+12 < endpos; // let not go over the file bound
|
||||
fseek(apng_FILE, 1, SEEK_CUR) // we went 8 steps back and now we go 1 step forward
|
||||
)
|
||||
{
|
||||
if (fread(cn, sizeof(cn), 1, apng_FILE) != 1) // read 8 bytes
|
||||
return false; // failed to read data
|
||||
if (fseek(apng_FILE, -8, SEEK_CUR) != 0) //rewind 8 bytes
|
||||
return false; // failed to rewird
|
||||
if (!png_memcmp(cn+4, acTL_cn, 4)) //cmp for chuck header
|
||||
return true; // found it
|
||||
}
|
||||
return false; // acTL chuck not found
|
||||
}
|
||||
|
||||
static void M_PNGfix_acTL(png_structp png_ptr, png_infop png_info_ptr)
|
||||
{
|
||||
png_byte data[16];
|
||||
long oldpos;
|
||||
|
||||
#ifndef PNG_STATIC
|
||||
if (apng_set_acTL)
|
||||
#endif
|
||||
apng_set_acTL(png_ptr, png_info_ptr, apng_frames, 0);
|
||||
apng_set_acTL(png_ptr, png_info_ptr, png_ainfo_ptr, apng_frames, 0);
|
||||
|
||||
#ifndef NO_PNG_DEBUG
|
||||
png_debug(1, "in png_write_acTL\n");
|
||||
#endif
|
||||
|
||||
png_ptr->num_frames_to_write = apng_frames;
|
||||
|
||||
png_save_uint_32(data, apng_frames);
|
||||
png_save_uint_32(data + 4, 0);
|
||||
|
||||
oldpos = ftell(apng_FILE);
|
||||
|
||||
if (M_PNGfind_acTL())
|
||||
png_write_chunk(png_ptr, (png_bytep)acTL_cn, data, (png_size_t)8);
|
||||
|
||||
fseek(apng_FILE, oldpos, SEEK_SET);
|
||||
}
|
||||
|
||||
static boolean M_SetupaPNG(png_const_charp filename, png_bytep pal)
|
||||
|
|
@ -1012,6 +970,16 @@ static boolean M_SetupaPNG(png_const_charp filename, png_bytep pal)
|
|||
return false;
|
||||
}
|
||||
|
||||
apng_ainfo_ptr = apng_create_info_struct(apng_ptr);
|
||||
if (!apng_ainfo_ptr)
|
||||
{
|
||||
CONS_Debug(DBG_RENDER, "M_StartMovie: Error on allocate for apng\n");
|
||||
png_destroy_write_struct(&apng_ptr, &apng_info_ptr);
|
||||
fclose(apng_FILE);
|
||||
remove(filename);
|
||||
return false;
|
||||
}
|
||||
|
||||
png_init_io(apng_ptr, apng_FILE);
|
||||
|
||||
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
|
||||
|
|
@ -1029,12 +997,11 @@ static boolean M_SetupaPNG(png_const_charp filename, png_bytep pal)
|
|||
|
||||
M_PNGText(apng_ptr, apng_info_ptr, true);
|
||||
|
||||
#ifndef PNG_STATIC
|
||||
if (apng_set_acTL)
|
||||
#endif
|
||||
apng_set_acTL(apng_ptr, apng_info_ptr, PNG_UINT_31_MAX, 0);
|
||||
apng_set_set_acTL_fn(apng_ptr, apng_ainfo_ptr, aPNG_set_acTL);
|
||||
|
||||
png_write_info(apng_ptr, apng_info_ptr);
|
||||
apng_set_acTL(apng_ptr, apng_info_ptr, apng_ainfo_ptr, PNG_UINT_31_MAX, 0);
|
||||
|
||||
apng_write_info(apng_ptr, apng_info_ptr, apng_ainfo_ptr);
|
||||
|
||||
apng_frames = 0;
|
||||
|
||||
|
|
@ -1237,8 +1204,8 @@ void M_StopMovie(void)
|
|||
|
||||
if (apng_frames)
|
||||
{
|
||||
M_PNGfix_acTL(apng_ptr, apng_info_ptr);
|
||||
png_write_end(apng_ptr, apng_info_ptr);
|
||||
M_PNGfix_acTL(apng_ptr, apng_info_ptr, apng_ainfo_ptr);
|
||||
apng_write_end(apng_ptr, apng_info_ptr, apng_ainfo_ptr);
|
||||
}
|
||||
|
||||
png_destroy_write_struct(&apng_ptr, &apng_info_ptr);
|
||||
|
|
|
|||
Loading…
Reference in a new issue