| 1 | /***************************************************************************/ |
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| 2 | /* */ |
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| 3 | /* ttcmap.h */ |
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| 4 | /* */ |
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| 5 | /* TrueType character mapping table (cmap) support (specification). */ |
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| 6 | /* */ |
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| 7 | /* Copyright 2002, 2003, 2004, 2005 by */ |
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| 8 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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| 9 | /* */ |
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| 10 | /* This file is part of the FreeType project, and may only be used, */ |
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| 11 | /* modified, and distributed under the terms of the FreeType project */ |
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| 12 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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| 13 | /* this file you indicate that you have read the license and */ |
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| 14 | /* understand and accept it fully. */ |
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| 15 | /* */ |
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| 16 | /***************************************************************************/ |
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| 17 | |
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| 18 | |
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| 19 | #ifndef __TTCMAP_H__ |
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| 20 | #define __TTCMAP_H__ |
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| 21 | |
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| 22 | |
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| 23 | #include <ft2build.h> |
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| 24 | #include FT_INTERNAL_TRUETYPE_TYPES_H |
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| 25 | #include FT_INTERNAL_VALIDATE_H |
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| 26 | #include FT_SERVICE_TT_CMAP_H |
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| 27 | |
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| 28 | FT_BEGIN_HEADER |
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| 29 | |
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| 30 | |
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| 31 | #define TT_CMAP_FLAG_UNSORTED 1 |
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| 32 | #define TT_CMAP_FLAG_OVERLAPPING 2 |
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| 33 | |
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| 34 | typedef struct TT_CMapRec_ |
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| 35 | { |
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| 36 | FT_CMapRec cmap; |
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| 37 | FT_Byte* data; /* pointer to in-memory cmap table */ |
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| 38 | FT_Int flags; /* for format 4 only */ |
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| 39 | |
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| 40 | } TT_CMapRec, *TT_CMap; |
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| 41 | |
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| 42 | typedef const struct TT_CMap_ClassRec_* TT_CMap_Class; |
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| 43 | |
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| 44 | |
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| 45 | typedef FT_Error |
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| 46 | (*TT_CMap_ValidateFunc)( FT_Byte* data, |
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| 47 | FT_Validator valid ); |
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| 48 | |
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| 49 | typedef struct TT_CMap_ClassRec_ |
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| 50 | { |
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| 51 | FT_CMap_ClassRec clazz; |
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| 52 | FT_UInt format; |
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| 53 | TT_CMap_ValidateFunc validate; |
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| 54 | TT_CMap_Info_GetFunc get_cmap_info; |
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| 55 | |
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| 56 | } TT_CMap_ClassRec; |
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| 57 | |
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| 58 | |
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| 59 | typedef struct TT_ValidatorRec_ |
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| 60 | { |
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| 61 | FT_ValidatorRec validator; |
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| 62 | FT_UInt num_glyphs; |
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| 63 | |
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| 64 | } TT_ValidatorRec, *TT_Validator; |
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| 65 | |
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| 66 | |
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| 67 | #define TT_VALIDATOR( x ) ((TT_Validator)( x )) |
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| 68 | #define TT_VALID_GLYPH_COUNT( x ) TT_VALIDATOR( x )->num_glyphs |
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| 69 | |
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| 70 | |
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| 71 | FT_LOCAL( FT_Error ) |
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| 72 | tt_face_build_cmaps( TT_Face face ); |
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| 73 | |
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| 74 | /* used in tt-cmaps service */ |
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| 75 | FT_LOCAL( FT_Error ) |
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| 76 | tt_get_cmap_info( FT_CharMap charmap, |
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| 77 | TT_CMapInfo *cmap_info ); |
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| 78 | |
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| 79 | |
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| 80 | FT_END_HEADER |
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| 81 | |
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| 82 | #endif /* __TTCMAP_H__ */ |
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| 83 | |
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| 84 | |
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| 85 | /* END */ |
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