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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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10
png.c
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@@ -615,6 +615,16 @@ png_free_data(png_const_structrp png_ptr, png_inforp info_ptr, png_uint_32 mask,
}
#endif
#ifdef PNG_eXIf_SUPPORTED
/* Free any eXIf entry */
if (((mask & PNG_FREE_EXIF) & info_ptr->free_me) != 0)
{
png_free(png_ptr, info_ptr->exif);
info_ptr->exif = NULL;
info_ptr->valid &= ~PNG_INFO_eXIf;
}
#endif
#ifdef PNG_hIST_SUPPORTED
/* Free any hIST entry */
if (((mask & PNG_FREE_HIST) & info_ptr->free_me) != 0)