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@ -105,41 +105,6 @@ FT_BEGIN_HEADER |
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} SFNT_HeaderRec, *SFNT_Header; |
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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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/* TT_TableDirRec */ |
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/* */ |
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/* <Description> */ |
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/* This structure models a TrueType table directory. It is used to */ |
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/* access the various tables of the font face. */ |
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/* */ |
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/* <Fields> */ |
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/* version :: The version number; starts with 0x00010000. */ |
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/* */ |
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/* numTables :: The number of tables. */ |
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/* */ |
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/* searchRange :: Unused. */ |
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/* */ |
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/* entrySelector :: Unused. */ |
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/* */ |
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/* rangeShift :: Unused. */ |
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/* */ |
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/* <Note> */ |
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/* This structure is only used during font opening. */ |
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/* */ |
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typedef struct TT_TableDirRec_ |
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{ |
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FT_Fixed version; /* should be 0x10000 */ |
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FT_UShort numTables; /* number of tables */ |
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FT_UShort searchRange; /* These parameters are only used */ |
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FT_UShort entrySelector; /* for a dichotomy search in the */ |
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FT_UShort rangeShift; /* directory. We ignore them. */ |
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} TT_TableDirRec; |
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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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@ -168,61 +133,6 @@ FT_BEGIN_HEADER |
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} TT_TableRec, *TT_Table; |
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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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/* TT_CMapDirRec */ |
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/* */ |
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/* <Description> */ |
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/* This structure describes the directory of the `cmap' table, */ |
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/* containing the font's character mappings table. */ |
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/* */ |
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/* <Fields> */ |
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/* tableVersionNumber :: The version number. */ |
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/* */ |
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/* numCMaps :: The number of charmaps in the font. */ |
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/* */ |
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/* <Note> */ |
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/* This structure is only used during font loading. */ |
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/* */ |
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typedef struct TT_CMapDirRec_ |
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{ |
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FT_UShort tableVersionNumber; |
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FT_UShort numCMaps; |
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} TT_CMapDirRec, *TT_CMapDir; |
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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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/* TT_CMapDirEntryRec */ |
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/* */ |
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/* <Description> */ |
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/* This structure describes a charmap in a TrueType font. */ |
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/* */ |
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/* <Fields> */ |
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/* platformID :: An ID used to specify for which platform this */ |
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/* charmap is defined (FreeType manages all platforms). */ |
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/* */ |
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/* encodingID :: A platform-specific ID used to indicate which source */ |
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/* encoding is used in this charmap. */ |
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/* */ |
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/* offset :: The offset of the charmap relative to the start of */ |
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/* the `cmap' table. */ |
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/* */ |
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/* <Note> */ |
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/* This structure is only used during font loading. */ |
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/* */ |
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typedef struct TT_CMapDirEntryRec_ |
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{ |
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FT_UShort platformID; |
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FT_UShort platformEncodingID; |
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FT_Long offset; |
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} TT_CMapDirEntryRec, *TT_CMapDirEntry; |
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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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@ -908,201 +818,6 @@ FT_BEGIN_HEADER |
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} TT_Post_NamesRec, *TT_Post_Names; |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/*** ***/ |
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/*** ***/ |
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/*** TRUETYPE CHARMAPS SUPPORT ***/ |
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/*** ***/ |
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/*** ***/ |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/* format 0 */ |
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typedef struct TT_CMap0_ |
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{ |
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FT_ULong language; /* for Mac fonts (originally ushort) */ |
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FT_Byte* glyphIdArray; |
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} TT_CMap0Rec, *TT_CMap0; |
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/* format 2 */ |
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typedef struct TT_CMap2SubHeaderRec_ |
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{ |
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FT_UShort firstCode; /* first valid low byte */ |
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FT_UShort entryCount; /* number of valid low bytes */ |
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FT_Short idDelta; /* delta value to glyphIndex */ |
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FT_UShort idRangeOffset; /* offset from here to 1st code */ |
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} TT_CMap2SubHeaderRec, *TT_CMap2SubHeader; |
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typedef struct TT_CMap2Rec_ |
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{ |
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FT_ULong language; /* for Mac fonts (originally ushort) */ |
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FT_UShort* subHeaderKeys; /* high byte mapping table */ |
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/* value = subHeader index * 8 */ |
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TT_CMap2SubHeader subHeaders; |
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FT_UShort* glyphIdArray; |
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FT_UShort numGlyphId; /* control value */ |
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} TT_CMap2Rec, *TT_CMap2; |
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/* format 4 */ |
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typedef struct TT_CMap4Segment_ |
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{ |
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FT_UShort endCount; |
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FT_UShort startCount; |
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FT_Short idDelta; |
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FT_UShort idRangeOffset; |
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} TT_CMap4SegmentRec, *TT_CMap4Segment; |
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typedef struct TT_CMap4Rec_ |
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{ |
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FT_ULong language; /* for Mac fonts (originally ushort) */ |
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FT_UShort segCountX2; /* number of segments * 2 */ |
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FT_UShort searchRange; /* these parameters can be used */ |
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FT_UShort entrySelector; /* for a binary search */ |
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FT_UShort rangeShift; |
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TT_CMap4Segment segments; |
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FT_UShort* glyphIdArray; |
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FT_UShort numGlyphId; /* control value */ |
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TT_CMap4Segment last_segment; /* last used segment; this is a small */ |
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/* cache to potentially increase speed */ |
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} TT_CMap4Rec, *TT_CMap4; |
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/* format 6 */ |
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typedef struct TT_CMap6_ |
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{ |
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FT_ULong language; /* for Mac fonts (originally ushort) */ |
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FT_UShort firstCode; /* first character code of subrange */ |
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FT_UShort entryCount; /* number of character codes in subrange */ |
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FT_UShort* glyphIdArray; |
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} TT_CMap6Rec, *TT_CMap6; |
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/* auxiliary table for format 8 and 12 */ |
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typedef struct TT_CMapGroupRec_ |
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{ |
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FT_ULong startCharCode; |
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FT_ULong endCharCode; |
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FT_ULong startGlyphID; |
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} TT_CMapGroupRec, *TT_CMapGroup; |
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/* FreeType handles format 8 and 12 identically. It is not necessary to
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cover mixed 16bit and 32bit codes since FreeType always uses FT_ULong |
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for input character codes -- converting Unicode surrogates to 32bit |
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character codes must be done by the application. */ |
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typedef struct TT_CMap8_12Rec_ |
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{ |
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FT_ULong language; /* for Mac fonts */ |
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FT_ULong nGroups; |
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TT_CMapGroup groups; |
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TT_CMapGroup last_group; /* last used group; this is a small */ |
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/* cache to potentially increase speed */ |
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} TT_CMap8_12Rec, *TT_CMap8_12; |
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/* format 10 */ |
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typedef struct TT_CMap10Rec_ |
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{ |
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FT_ULong language; /* for Mac fonts */ |
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FT_ULong startCharCode; /* first character covered */ |
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FT_ULong numChars; /* number of characters covered */ |
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FT_UShort* glyphs; |
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} TT_CMap10Rec, *TT_CMap10; |
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typedef struct TT_CMapTableRec_* TT_CMapTable; |
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typedef FT_UInt |
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(*TT_CharMap_Func)( TT_CMapTable charmap, |
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FT_ULong char_code ); |
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typedef FT_ULong |
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(*TT_CharNext_Func)( TT_CMapTable charmap, |
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FT_ULong char_code ); |
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/* charmap table */ |
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typedef struct TT_CMapTableRec_ |
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{ |
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FT_UShort platformID; |
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FT_UShort platformEncodingID; |
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FT_UShort format; |
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FT_ULong length; /* must be ulong for formats 8, 10, and 12 */ |
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FT_Bool loaded; |
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FT_ULong offset; |
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union |
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{ |
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TT_CMap0Rec cmap0; |
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TT_CMap2Rec cmap2; |
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TT_CMap4Rec cmap4; |
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TT_CMap6Rec cmap6; |
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TT_CMap8_12Rec cmap8_12; |
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TT_CMap10Rec cmap10; |
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} c; |
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TT_CharMap_Func get_index; |
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TT_CharNext_Func get_next_char; |
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} TT_CMapTableRec; |
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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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/* TT_CharMapRec */ |
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/* */ |
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/* <Description> */ |
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/* The TrueType character map object type. */ |
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/* */ |
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/* <Fields> */ |
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/* root :: The parent character map structure. */ |
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/* */ |
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/* cmap :: The used character map. */ |
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/* */ |
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typedef struct TT_CharMapRec_ |
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{ |
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FT_CharMapRec root; |
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TT_CMapTableRec cmap; |
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} TT_CharMapRec; |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/*************************************************************************/ |
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@ -1121,9 +836,8 @@ FT_BEGIN_HEADER |
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/* This structure/class is defined here because it is common to the */ |
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/* following formats: TTF, OpenType-TT, and OpenType-CFF. */ |
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/* */ |
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/* Note, however, that the classes TT_Size, TT_GlyphSlot, and TT_CharMap */ |
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/* are not shared between font drivers, and are thus defined in */ |
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/* `ttobjs.h'. */ |
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/* Note, however, that the classes TT_Size and TT_GlyphSlot are not */ |
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/* shared between font drivers, and are thus defined in `ttobjs.h'. */ |
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/* */ |
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/*************************************************************************/ |
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@ -1145,17 +859,6 @@ FT_BEGIN_HEADER |
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typedef struct TT_FaceRec_* TT_Face; |
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/*************************************************************************/ |
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/* */ |
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/* <Type> */ |
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/* TT_CharMap */ |
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/* */ |
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/* <Description> */ |
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/* A handle to a TrueType character mapping object. */ |
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/* */ |
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typedef struct TT_CharMapRec_* TT_CharMap; |
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/* a function type used for the truetype bytecode interpreter hooks */ |
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typedef FT_Error |
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(*TT_Interpreter)( void* exec_context ); |
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Werner Lemberg
21 years ago