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[libpng16] Implement eXIf chunk support

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Glenn Randers-Pehrson
2017-07-13 11:19:53 -05:00
parent 40943eb67a
commit 68cb0aaee3
17 changed files with 216 additions and 5 deletions
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18
pngget.c
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@@ -773,6 +773,24 @@ png_get_sPLT(png_const_structrp png_ptr, png_inforp info_ptr,
}
#endif
#ifdef PNG_eXIf_SUPPORTED
png_uint_32 PNGAPI
png_get_eXIf(png_const_structrp png_ptr, png_inforp info_ptr,
png_bytep *exif)
{
png_debug1(1, "in %s retrieval function", "eXIf");
if (png_ptr != NULL && info_ptr != NULL &&
(info_ptr->valid & PNG_INFO_eXIf) != 0 && exif != NULL)
{
*exif = info_ptr->exif;
return (PNG_INFO_eXIf);
}
return (0);
}
#endif
#ifdef PNG_hIST_SUPPORTED
png_uint_32 PNGAPI
png_get_hIST(png_const_structrp png_ptr, png_inforp info_ptr,