diff options
| -rw-r--r-- | src/truetype/ttinterp.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c index ee8e1523f..cb17e25eb 100644 --- a/src/truetype/ttinterp.c +++ b/src/truetype/ttinterp.c @@ -5260,10 +5260,15 @@ } } - exc->GS.instruct_control &= ~(FT_Byte)Kf; - exc->GS.instruct_control |= (FT_Byte)L; + /* INSTCTRL should only be used in the CVT program */ + if ( exc->iniRange == tt_coderange_cvt ) + { + exc->GS.instruct_control &= ~(FT_Byte)Kf; + exc->GS.instruct_control |= (FT_Byte)L; + } - if ( K == 3 ) + /* except to change the subpixel flags temporarily */ + else if ( exc->iniRange == tt_coderange_glyph && K == 3 ) { #ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY /* INSTCTRL modifying flag 3 also has an effect */ |