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[libpng16] Fixed a typo in pngrutil.c, introduced in libpng-1.5.6, that

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interferes with "blocky" expansion of sub-8-bit interlaced PNG files.
This commit is contained in:
Glenn Randers-Pehrson
2014-04-06 09:06:37 -05:00
parent d17313e075
commit fa26eb1678
3 changed files with 16 additions and 16 deletions
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4
pngrutil.c
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@@ -3153,7 +3153,7 @@ png_combine_row(png_const_structrp png_ptr, png_bytep dp, int display)
# define S_MASKS(d,s) { S_MASK(0,d,s), S_MASK(1,d,s), S_MASK(2,d,s),\
S_MASK(3,d,s), S_MASK(4,d,s), S_MASK(5,d,s) }
# define B_MASKS(d,s) { B_MASK(1,d,s), S_MASK(3,d,s), S_MASK(5,d,s) }
# define B_MASKS(d,s) { B_MASK(1,d,s), B_MASK(3,d,s), B_MASK(5,d,s) }
# define DEPTH_INDEX(d) ((d)==1?0:((d)==2?1:2))
@@ -3192,7 +3192,7 @@ png_combine_row(png_const_structrp png_ptr, png_bytep dp, int display)
#endif /* !PNG_USE_COMPILE_TIME_MASKS */
/* Use the appropriate mask to copy the required bits. In some cases
* the byte mask will be 0 or 0xff, optimize these cases. row_width is
* the byte mask will be 0 or 0xff; optimize these cases. row_width is
* the number of pixels, but the code copies bytes, so it is necessary
* to special case the end.
*/