diff options
Diffstat (limited to 'src/truetype/ttinterp.c')
| -rw-r--r-- | src/truetype/ttinterp.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c index d39504a26..7ac9b38d8 100644 --- a/src/truetype/ttinterp.c +++ b/src/truetype/ttinterp.c @@ -65,11 +65,15 @@ TT_INTERPRETER_VERSION_40 ) #endif -#define PROJECT( v1, v2 ) \ - exc->func_project( exc, (v1)->x - (v2)->x, (v1)->y - (v2)->y ) - -#define DUALPROJ( v1, v2 ) \ - exc->func_dualproj( exc, (v1)->x - (v2)->x, (v1)->y - (v2)->y ) +#define PROJECT( v1, v2 ) \ + exc->func_project( exc, \ + OVERFLOW_SUB_LONG( (v1)->x, (v2)->x ), \ + OVERFLOW_SUB_LONG( (v1)->y, (v2)->y ) ) + +#define DUALPROJ( v1, v2 ) \ + exc->func_dualproj( exc, \ + OVERFLOW_SUB_LONG( (v1)->x, (v2)->x ), \ + OVERFLOW_SUB_LONG( (v1)->y, (v2)->y ) ) #define FAST_PROJECT( v ) \ exc->func_project( exc, (v)->x, (v)->y ) |