?? tttypes.h
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FT_ULong ranges_offset; FT_ULong color_ref; TT_SBit_Line_Metrics hori; TT_SBit_Line_Metrics vert; FT_UShort start_glyph; FT_UShort end_glyph; FT_Byte x_ppem; FT_Byte y_ppem; FT_Byte bit_depth; FT_Char flags; } TT_SBit_Strike; /*************************************************************************/ /* */ /* <Struct> */ /* TT_SBit_Component */ /* */ /* <Description> */ /* A simple structure to describe a compound sbit element. */ /* */ /* <Fields> */ /* glyph_code :: The element's glyph index. */ /* */ /* x_offset :: The element's left bearing. */ /* */ /* y_offset :: The element's top bearing. */ /* */ typedef struct TT_SBit_Component_ { FT_UShort glyph_code; FT_Char x_offset; FT_Char y_offset; } TT_SBit_Component; /*************************************************************************/ /* */ /* <Struct> */ /* TT_SBit_Scale */ /* */ /* <Description> */ /* A structure used describe a given bitmap scaling table, as defined */ /* in the `EBSC' table. */ /* */ /* <Fields> */ /* hori :: The horizontal line metrics. */ /* */ /* vert :: The vertical line metrics. */ /* */ /* x_ppem :: The number of horizontal pixels per EM. */ /* */ /* y_ppem :: The number of vertical pixels per EM. */ /* */ /* x_ppem_substitute :: Substitution x_ppem value. */ /* */ /* y_ppem_substitute :: Substitution y_ppem value. */ /* */ typedef struct TT_SBit_Scale_ { TT_SBit_Line_Metrics hori; TT_SBit_Line_Metrics vert; FT_Byte x_ppem; FT_Byte y_ppem; FT_Byte x_ppem_substitute; FT_Byte y_ppem_substitute; } TT_SBit_Scale; /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** POSTSCRIPT GLYPH NAMES SUPPORT ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /* */ /* <Struct> */ /* TT_Post_20 */ /* */ /* <Description> */ /* Postscript names sub-table, format 2.0. Stores the PS name of */ /* each glyph in the font face. */ /* */ /* <Fields> */ /* num_glyphs :: The number of named glyphs in the table. */ /* */ /* num_names :: The number of PS names stored in the table. */ /* */ /* glyph_indices :: The indices of the glyphs in the names arrays. */ /* */ /* glyph_names :: The PS names not in Mac Encoding. */ /* */ typedef struct TT_Post_20_ { FT_UShort num_glyphs; FT_UShort num_names; FT_UShort* glyph_indices; FT_Char** glyph_names; } TT_Post_20; /*************************************************************************/ /* */ /* <Struct> */ /* TT_Post_25 */ /* */ /* <Description> */ /* Postscript names sub-table, format 2.5. Stores the PS name of */ /* each glyph in the font face. */ /* */ /* <Fields> */ /* num_glyphs :: The number of glyphs in the table. */ /* */ /* offsets :: An array of signed offsets in a normal Mac */ /* Postscript name encoding. */ /* */ typedef struct TT_Post_25_ { FT_UShort num_glyphs; FT_Char* offsets; } TT_Post_25; /*************************************************************************/ /* */ /* <Struct> */ /* TT_Post_Names */ /* */ /* <Description> */ /* Postscript names table, either format 2.0 or 2.5. */ /* */ /* <Fields> */ /* loaded :: A flag to indicate whether the PS names are loaded. */ /* */ /* format_20 :: The sub-table used for format 2.0. */ /* */ /* format_25 :: The sub-table used for format 2.5. */ /* */ typedef struct TT_Post_Names_ { FT_Bool loaded; union { TT_Post_20 format_20; TT_Post_25 format_25; } names; } TT_Post_Names; /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** TRUETYPE CHARMAPS SUPPORT ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /* format 0 */ typedef struct TT_CMap0_ { FT_ULong language; /* for Mac fonts (originally ushort) */ FT_Byte* glyphIdArray; } TT_CMap0; /* format 2 */ typedef struct TT_CMap2SubHeader_ { FT_UShort firstCode; /* first valid low byte */ FT_UShort entryCount; /* number of valid low bytes */ FT_Short idDelta; /* delta value to glyphIndex */ FT_UShort idRangeOffset; /* offset from here to 1st code */ } TT_CMap2SubHeader; typedef struct TT_CMap2_ { FT_ULong language; /* for Mac fonts (originally ushort) */ FT_UShort* subHeaderKeys; /* high byte mapping table */ /* value = subHeader index * 8 */ TT_CMap2SubHeader* subHeaders; FT_UShort* glyphIdArray; FT_UShort numGlyphId; /* control value */ } TT_CMap2; /* format 4 */ typedef struct TT_CMap4Segment_ { FT_UShort endCount; FT_UShort startCount; FT_Short idDelta; FT_UShort idRangeOffset; } TT_CMap4Segment; typedef struct TT_CMap4_ { FT_ULong language; /* for Mac fonts (originally ushort) */ FT_UShort segCountX2; /* number of segments * 2 */ FT_UShort searchRange; /* these parameters can be used */ FT_UShort entrySelector; /* for a binary search */ FT_UShort rangeShift; TT_CMap4Segment* segments;?? 快捷鍵說明
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