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[libpng16] Reverted the fix of byte order in png_do_read_filler() with 16-bit

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input that was made in version 1.6.17beta01, to preserve legacy
behavior even though it was incorrect.  Instead, added new API
png_set_filter_16() and png_set_add_alpha_16() that set a flag to
make png_do_read_filter() interpret the filler bytes properly.
This commit is contained in:
Glenn Randers-Pehrson
2015-09-23 22:08:04 -05:00
parent d6eb4b71ac
commit efe4e5d10d
13 changed files with 141 additions and 65 deletions
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2
pngread.c
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@@ -3860,7 +3860,7 @@ png_image_read_direct(png_voidp argument)
# endif
where = PNG_FILLER_AFTER;
png_set_add_alpha(png_ptr, filler, where);
png_set_add_alpha_16(png_ptr, filler, where);
}
/* This stops the (irrelevant) call to swap_alpha below. */