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[libpng16] Reverted addition of png_set_filler_16 and png_set_add_alpha_16()

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functions. They unnecessarily duplicate png_set_filler() and png_set_add_alpha()
which now work properly with 16-bit images.
This commit is contained in:
Glenn Randers-Pehrson
2015-09-24 22:39:53 -05:00
parent 5b038f83e7
commit 01a0e8062d
13 changed files with 63 additions and 135 deletions
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9
pngrtran.c
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@@ -2660,17 +2660,10 @@ png_do_read_filler(png_row_infop row_info, png_bytep row,
png_uint_32 i;
png_uint_32 row_width = row_info->width;
png_byte lo_filler = (png_byte)filler;
#ifdef PNG_READ_16BIT_SUPPORTED
png_byte hi_filler = (png_byte)(filler>>8);
if (((flags & PNG_FLAG_FILLER_16) == 0) && row_info->bit_depth == 16)
{
/* filler bytes were read in the wrong order prior to libpng-1.5.24 */
lo_filler = hi_filler;
hi_filler = (png_byte)filler;
}
#endif
png_byte lo_filler = (png_byte)filler;
png_debug(1, "in png_do_read_filler");