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[libpng16] Added calls to png_handle_eXIf(() in pngread.c and png_write_eXIf()

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in pngwrite.c, and made various other fixes to png_write_eXIf().
Eliminated png_ptr->num_exif member from pngstruct.h and added num_exif
  to arguments for png_get_eXIf() and png_set_eXIf().
This commit is contained in:
Glenn Randers-Pehrson
2017-07-31 14:20:40 -05:00
parent 4ab78af90a
commit 40afb68570
8 changed files with 46 additions and 21 deletions
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11
pngwrite.c
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@@ -237,6 +237,11 @@ png_write_info(png_structrp png_ptr, png_const_inforp info_ptr)
png_write_bKGD(png_ptr, &(info_ptr->background), info_ptr->color_type);
#endif
#ifdef PNG_WRITE_eXIf_SUPPORTED
if ((info_ptr->valid & PNG_INFO_eXIf) != 0)
png_write_eXIf(png_ptr, info_ptr->exif, info_ptr->num_exif);
#endif
#ifdef PNG_WRITE_hIST_SUPPORTED
if ((info_ptr->valid & PNG_INFO_hIST) != 0)
png_write_hIST(png_ptr, info_ptr->hist, info_ptr->num_palette);
@@ -432,6 +437,12 @@ png_write_end(png_structrp png_ptr, png_inforp info_ptr)
}
}
#endif
#ifdef PNG_WRITE_eXIf_SUPPORTED
if ((info_ptr->valid & PNG_INFO_eXIf) != 0)
png_write_eXIf(png_ptr, info_ptr->exif, info_ptr->num_exif);
#endif
#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
write_unknown_chunks(png_ptr, info_ptr, PNG_AFTER_IDAT);
#endif