| 0,0 → 1,169 |
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| /******************************************************************* |
| * |
| * ttcmap.h 1.0 |
| * |
| * TrueType Character Mappings |
| * |
| * Copyright 1996-1999 by |
| * David Turner, Robert Wilhelm, and Werner Lemberg. |
| * |
| * This file is part of the FreeType project, and may only be used |
| * modified and distributed under the terms of the FreeType project |
| * license, LICENSE.TXT. By continuing to use, modify, or distribute |
| * this file you indicate that you have read the license and |
| * understand and accept it fully. |
| * |
| * |
| ******************************************************************/ |
| |
| #ifndef TTCMAP_H |
| #define TTCMAP_H |
| |
| #include "ttconfig.h" |
| #include "tttypes.h" |
| |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* format 0 */ |
| |
| struct TCMap0_ |
| { |
| PByte glyphIdArray; |
| }; |
| |
| typedef struct TCMap0_ TCMap0; |
| typedef TCMap0* PCMap0; |
| |
| |
| /* format 2 */ |
| |
| struct TCMap2SubHeader_ |
| { |
| UShort firstCode; /* first valid low byte */ |
| UShort entryCount; /* number of valid low bytes */ |
| Short idDelta; /* delta value to glyphIndex */ |
| UShort idRangeOffset; /* offset from here to 1st code */ |
| }; |
| |
| typedef struct TCMap2SubHeader_ TCMap2SubHeader; |
| typedef TCMap2SubHeader* PCMap2SubHeader; |
| |
| struct TCMap2_ |
| { |
| PUShort subHeaderKeys; |
| /* high byte mapping table */ |
| /* value = subHeader index * 8 */ |
| |
| PCMap2SubHeader subHeaders; |
| PUShort glyphIdArray; |
| UShort numGlyphId; /* control value */ |
| }; |
| |
| typedef struct TCMap2_ TCMap2; |
| typedef TCMap2* PCMap2; |
| |
| |
| /* format 4 */ |
| |
| struct TCMap4Segment_ |
| { |
| UShort endCount; |
| UShort startCount; |
| Short idDelta; /* in the specs defined as UShort but the |
| example there gives negative values... */ |
| UShort idRangeOffset; |
| }; |
| |
| typedef struct TCMap4Segment_ TCMap4Segment; |
| typedef TCMap4Segment* PCMap4Segment; |
| |
| struct TCMap4_ |
| { |
| UShort segCountX2; /* number of segments * 2 */ |
| UShort searchRange; /* these parameters can be used */ |
| UShort entrySelector; /* for a binary search */ |
| UShort rangeShift; |
| |
| PCMap4Segment segments; |
| PUShort glyphIdArray; |
| UShort numGlyphId; /* control value */ |
| }; |
| |
| typedef struct TCMap4_ TCMap4; |
| typedef TCMap4* PCMap4; |
| |
| |
| /* format 6 */ |
| |
| struct TCMap6_ |
| { |
| UShort firstCode; /* first character code of subrange */ |
| UShort entryCount; /* number of character codes in subrange */ |
| |
| PUShort glyphIdArray; |
| }; |
| |
| typedef struct TCMap6_ TCMap6; |
| typedef TCMap6* PCMap6; |
| |
| |
| /* charmap table */ |
| |
| struct TCMapTable_ |
| { |
| UShort platformID; |
| UShort platformEncodingID; |
| UShort format; |
| UShort length; |
| UShort version; |
| |
| Bool loaded; |
| ULong offset; |
| |
| union |
| { |
| TCMap0 cmap0; |
| TCMap2 cmap2; |
| TCMap4 cmap4; |
| TCMap6 cmap6; |
| } c; |
| }; |
| |
| typedef struct TCMapTable_ TCMapTable; |
| typedef TCMapTable* PCMapTable; |
| |
| |
| |
| /* Load character mappings directory when face is loaded. */ |
| /* The mappings themselves are only loaded on demand. */ |
| |
| LOCAL_DEF |
| TT_Error CharMap_Load( PCMapTable table, |
| TT_Stream input ); |
| |
| |
| /* Destroy one character mapping table */ |
| |
| LOCAL_DEF |
| TT_Error CharMap_Free( PCMapTable table ); |
| |
| |
| /* Use character mapping table to perform mapping */ |
| |
| LOCAL_DEF |
| UShort CharMap_Index( PCMapTable cmap, |
| UShort charCode ); |
| |
| /* NOTE: The PFace type isn't defined at this point */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* TTCMAP_H */ |
| |
| |
| /* END */ |