diff options
Diffstat (limited to 'src/smooth/ftgrays.c')
| -rw-r--r-- | src/smooth/ftgrays.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/smooth/ftgrays.c b/src/smooth/ftgrays.c index 8f93392fb..a85e16086 100644 --- a/src/smooth/ftgrays.c +++ b/src/smooth/ftgrays.c @@ -1057,7 +1057,13 @@ typedef ptrdiff_t FT_PtrDist; dx_ = FT_ABS( dx ); dy_ = FT_ABS( dy ); - L = ( 236 * FT_MAX( dx_, dy_ ) + 97 * FT_MIN( dx_, dy_ ) ) >> 8; + + /* This is the same as */ + /* */ + /* L = ( 236 * FT_MAX( dx_, dy_ ) */ + /* + 97 * FT_MIN( dx_, dy_ ) ) >> 8; */ + L = ( dx_ > dy_ ? 236 * dx_ + 97 * dy_ + : 97 * dx_ + 236 * dy_ ) >> 8; /* Avoid possible arithmetic overflow below by splitting. */ if ( L > 32767 ) |