diff options
Diffstat (limited to 'src/truetype/ttinterp.c')
-rw-r--r-- | src/truetype/ttinterp.c | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c index 6c4eed6..c62c589 100644 --- a/src/truetype/ttinterp.c +++ b/src/truetype/ttinterp.c @@ -5155,25 +5155,38 @@ D = CUR_Func_project( CUR.zp0.cur + L, CUR.zp1.cur + K ); else { - FT_Vector* vec1 = CUR.zp0.orus + L; - FT_Vector* vec2 = CUR.zp1.orus + K; + /* XXX: UNDOCUMENTED: twilight zone special case */ - - if ( CUR.metrics.x_scale == CUR.metrics.y_scale ) + if ( CUR.GS.gep0 == 0 || CUR.GS.gep1 == 0 ) { - /* this should be faster */ + FT_Vector* vec1 = CUR.zp0.org + L; + FT_Vector* vec2 = CUR.zp1.org + K; + + D = CUR_Func_dualproj( vec1, vec2 ); - D = TT_MULFIX( D, CUR.metrics.x_scale ); } else { - FT_Vector vec; + FT_Vector* vec1 = CUR.zp0.orus + L; + FT_Vector* vec2 = CUR.zp1.orus + K; + + + if ( CUR.metrics.x_scale == CUR.metrics.y_scale ) + { + /* this should be faster */ + D = CUR_Func_dualproj( vec1, vec2 ); + D = TT_MULFIX( D, CUR.metrics.x_scale ); + } + else + { + FT_Vector vec; - vec.x = TT_MULFIX( vec1->x - vec2->x, CUR.metrics.x_scale ); - vec.y = TT_MULFIX( vec1->y - vec2->y, CUR.metrics.y_scale ); + vec.x = TT_MULFIX( vec1->x - vec2->x, CUR.metrics.x_scale ); + vec.y = TT_MULFIX( vec1->y - vec2->y, CUR.metrics.y_scale ); - D = CUR_fast_dualproj( &vec ); + D = CUR_fast_dualproj( &vec ); + } } } } |