diff options
Diffstat (limited to 'src/smooth/ftgrays.c')
| -rw-r--r-- | src/smooth/ftgrays.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/smooth/ftgrays.c b/src/smooth/ftgrays.c index 576dbb325..2c0c1ba32 100644 --- a/src/smooth/ftgrays.c +++ b/src/smooth/ftgrays.c @@ -386,12 +386,11 @@ typedef ptrdiff_t FT_PtrDist; /* divisors to provide sufficient accuracy of the multiply-shift. */ /* It should not exceed (64 - PIXEL_BITS) to prevent overflowing and */ /* leave enough room for 64-bit unsigned multiplication however. */ -#define FT_UDIVPREP( c, b ) \ - FT_Int64 b ## _r = c ? (FT_Int64)( ~(FT_UInt64)0 >> PIXEL_BITS ) / ( b ) \ +#define FT_UDIVPREP( c, b ) \ + FT_Int64 b ## _r = c ? (FT_Int64)0xFFFFFFFF / ( b ) \ : 0 -#define FT_UDIV( a, b ) \ - (TCoord)( ( (FT_UInt64)( a ) * (FT_UInt64)( b ## _r ) ) >> \ - ( sizeof( FT_UInt64 ) * FT_CHAR_BIT - PIXEL_BITS ) ) +#define FT_UDIV( a, b ) \ + (TCoord)( ( (FT_UInt64)( a ) * (FT_UInt64)( b ## _r ) ) >> 32 ) /* Scale area and apply fill rule to calculate the coverage byte. */ |