diff options
Diffstat (limited to 'src/truetype/ttinterp.h')
| -rw-r--r-- | src/truetype/ttinterp.h | 72 |
1 files changed, 71 insertions, 1 deletions
diff --git a/src/truetype/ttinterp.h b/src/truetype/ttinterp.h index 6d0fc03..9ee2b48 100644 --- a/src/truetype/ttinterp.h +++ b/src/truetype/ttinterp.h @@ -68,7 +68,8 @@ FT_BEGIN_HEADER /* Rounding function */ typedef FT_F26Dot6 (*TT_Round_Func)( EXEC_OP_ FT_F26Dot6 distance, - FT_F26Dot6 compensation ); + FT_F26Dot6 compensation, + FT_Int resolution ); /* Point displacement along the freedom vector routine */ typedef void @@ -107,6 +108,44 @@ FT_BEGIN_HEADER } TT_CallRec, *TT_CallStack; +#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING + + /*************************************************************************/ + /* */ + /* This structure defines a rule used to tweak subpixel hinting for */ + /* various fonts. "", 0, "", NULL value indicates to match any value. */ + /* */ + + typedef struct SPH_TweakRule_ + { + const char family[32]; + const int ppem; + const char style[32]; + const FT_ULong glyph; + + } SPH_TweakRule; + + + typedef struct SPH_ScaleRule_ + { + const char family[32]; + const int ppem; + const char style[32]; + const FT_ULong glyph; + const float scale; + } SPH_ScaleRule; + +#define MAX_CLASS_MEMBERS 100 + + typedef struct Font_Class_ + { + const char name[32]; + const char member[MAX_CLASS_MEMBERS][32]; + } Font_Class; + +#endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */ + + /*************************************************************************/ /* */ /* The main structure for the interpreter which collects all necessary */ @@ -218,6 +257,37 @@ FT_BEGIN_HEADER FT_Bool grayscale; /* are we hinting for grayscale? */ +#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING + TT_Round_Func func_round_sphn; /* subpixel rounding function */ + + FT_Bool grayscale_hinting; /* Using grayscale hinting? */ + FT_Bool subpixel_hinting; /* Using subpixel hinting? */ + FT_Bool native_hinting; /* Using native hinting? */ + FT_Bool ignore_x_mode; /* Standard rendering mode for */ + /* subpixel hinting. On if gray */ + /* or subpixel hinting is on ) */ + FT_Bool compatibility_mode;/* Additional exceptions to */ + /* native TT rules for legacy */ + /* fonts. Implies ignore_x_mode. */ + + /* The following 3 aren't fully implemented but here for MS rasterizer */ + /* compatibility. */ + FT_Bool compatible_widths; /* compatible widths? */ + FT_Bool symmetrical_smoothing;/* symmetrical_smoothing? */ + FT_Bool bgr; /* bgr instead of rgb? */ + FT_Bool subpixel_positioned; /* MS DW subpixel positioned */ + + FT_Int rasterizer_version; /* MS rasterizer version */ + + FT_Bool iup_called; /* IUP called for glyph? */ + FT_Bool in_delta_function; /* inside an inline delta func? */ + + FT_ULong sph_tweak_flags; /* flags to control hint tweaks */ + + FT_Int num_delta_funcs; + FT_ULong inline_delta_funcs[5]; +#endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */ + } TT_ExecContextRec; |