diff options
Diffstat (limited to 'src/truetype/ttinterp.h')
| -rw-r--r-- | src/truetype/ttinterp.h | 79 |
1 files changed, 78 insertions, 1 deletions
diff --git a/src/truetype/ttinterp.h b/src/truetype/ttinterp.h index 6d0fc03..69f5011 100644 --- a/src/truetype/ttinterp.h +++ b/src/truetype/ttinterp.h @@ -4,7 +4,7 @@ /* */ /* TrueType bytecode interpreter (specification). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2010 by */ +/* Copyright 1996-2007, 2010, 2012-2013 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -107,6 +107,48 @@ FT_BEGIN_HEADER } TT_CallRec, *TT_CallStack; +#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING + + /*************************************************************************/ + /* */ + /* These structures define rules used to tweak subpixel hinting for */ + /* various fonts. "", 0, "", NULL value indicates to match any value. */ + /* */ + +#define SPH_MAX_NAME_SIZE 32 +#define SPH_MAX_CLASS_MEMBERS 100 + + typedef struct SPH_TweakRule_ + { + const char family[SPH_MAX_NAME_SIZE]; + const FT_UInt ppem; + const char style[SPH_MAX_NAME_SIZE]; + const FT_ULong glyph; + + } SPH_TweakRule; + + + typedef struct SPH_ScaleRule_ + { + const char family[SPH_MAX_NAME_SIZE]; + const FT_UInt ppem; + const char style[SPH_MAX_NAME_SIZE]; + const FT_ULong glyph; + const FT_ULong scale; + + } SPH_ScaleRule; + + + typedef struct SPH_Font_Class_ + { + const char name[SPH_MAX_NAME_SIZE]; + const char member[SPH_MAX_CLASS_MEMBERS][SPH_MAX_NAME_SIZE]; + + } SPH_Font_Class; + +#endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */ + + /*************************************************************************/ /* */ /* The main structure for the interpreter which collects all necessary */ @@ -218,12 +260,43 @@ 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 ) */ + + /* The following 4 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; /* subpixel positioned */ + /* (DirectWrite ClearType)? */ + + FT_Int rasterizer_version; /* MS rasterizer version */ + + FT_Bool iup_called; /* IUP called for glyph? */ + + FT_ULong sph_tweak_flags; /* flags to control */ + /* hint tweaks */ + + FT_ULong sph_in_func_flags; /* flags to indicate if in */ + /* special functions */ + +#endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */ + } TT_ExecContextRec; extern const TT_GraphicsState tt_default_graphics_state; +#ifdef TT_USE_BYTECODE_INTERPRETER FT_LOCAL( FT_Error ) TT_Goto_CodeRange( TT_ExecContext exec, FT_Int range, @@ -246,6 +319,7 @@ FT_BEGIN_HEADER FT_Long multiplier, void* _pbuff, FT_ULong new_max ); +#endif /* TT_USE_BYTECODE_INTERPRETER */ /*************************************************************************/ @@ -270,6 +344,8 @@ FT_BEGIN_HEADER FT_EXPORT( TT_ExecContext ) TT_New_Context( TT_Driver driver ); + +#ifdef TT_USE_BYTECODE_INTERPRETER FT_LOCAL( FT_Error ) TT_Done_Context( TT_ExecContext exec ); @@ -285,6 +361,7 @@ FT_BEGIN_HEADER FT_LOCAL( FT_Error ) TT_Run_Context( TT_ExecContext exec, FT_Bool debug ); +#endif /* TT_USE_BYTECODE_INTERPRETER */ /*************************************************************************/ |