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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /***************************************************************************/ |
| 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 2002-2005, 2009, 2012 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 | |||
| 18 | |||
| 19 | #ifndef __TTCMAP_H__ |
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| 20 | #define __TTCMAP_H__ |
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| 21 | |||
| 22 | |||
| 23 | #include |
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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 | |||
| 28 | FT_BEGIN_HEADER |
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| 29 | |||
| 30 | |||
| 31 | #define TT_CMAP_FLAG_UNSORTED 1 |
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| 32 | #define TT_CMAP_FLAG_OVERLAPPING 2 |
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| 33 | |||
| 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 | |||
| 40 | } TT_CMapRec, *TT_CMap; |
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| 41 | |||
| 42 | typedef const struct TT_CMap_ClassRec_* TT_CMap_Class; |
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| 43 | |||
| 44 | |||
| 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 | |||
| 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 | |||
| 56 | } TT_CMap_ClassRec; |
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| 57 | |||
| 58 | |||
| 59 | #ifndef FT_CONFIG_OPTION_PIC |
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| 60 | |||
| 61 | #define FT_DEFINE_TT_CMAP( class_, \ |
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| 62 | size_, \ |
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| 63 | init_, \ |
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| 64 | done_, \ |
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| 65 | char_index_, \ |
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| 66 | char_next_, \ |
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| 67 | char_var_index_, \ |
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| 68 | char_var_default_, \ |
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| 69 | variant_list_, \ |
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| 70 | charvariant_list_, \ |
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| 71 | variantchar_list_, \ |
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| 72 | format_, \ |
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| 73 | validate_, \ |
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| 74 | get_cmap_info_ ) \ |
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| 75 | FT_CALLBACK_TABLE_DEF \ |
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| 76 | const TT_CMap_ClassRec class_ = \ |
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| 77 | { \ |
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| 78 | { size_, \ |
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| 79 | init_, \ |
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| 80 | done_, \ |
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| 81 | char_index_, \ |
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| 82 | char_next_, \ |
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| 83 | char_var_index_, \ |
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| 84 | char_var_default_, \ |
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| 85 | variant_list_, \ |
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| 86 | charvariant_list_, \ |
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| 87 | variantchar_list_ \ |
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| 88 | }, \ |
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| 89 | \ |
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| 90 | format_, \ |
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| 91 | validate_, \ |
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| 92 | get_cmap_info_ \ |
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| 93 | }; |
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| 94 | |||
| 95 | #else /* FT_CONFIG_OPTION_PIC */ |
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| 96 | |||
| 97 | #define FT_DEFINE_TT_CMAP( class_, \ |
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| 98 | size_, \ |
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| 99 | init_, \ |
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| 100 | done_, \ |
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| 101 | char_index_, \ |
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| 102 | char_next_, \ |
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| 103 | char_var_index_, \ |
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| 104 | char_var_default_, \ |
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| 105 | variant_list_, \ |
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| 106 | charvariant_list_, \ |
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| 107 | variantchar_list_, \ |
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| 108 | format_, \ |
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| 109 | validate_, \ |
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| 110 | get_cmap_info_ ) \ |
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| 111 | void \ |
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| 112 | FT_Init_Class_ ## class_( TT_CMap_ClassRec* clazz ) \ |
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| 113 | { \ |
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| 114 | clazz->clazz.size = size_; \ |
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| 115 | clazz->clazz.init = init_; \ |
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| 116 | clazz->clazz.done = done_; \ |
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| 117 | clazz->clazz.char_index = char_index_; \ |
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| 118 | clazz->clazz.char_next = char_next_; \ |
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| 119 | clazz->clazz.char_var_index = char_var_index_; \ |
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| 120 | clazz->clazz.char_var_default = char_var_default_; \ |
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| 121 | clazz->clazz.variant_list = variant_list_; \ |
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| 122 | clazz->clazz.charvariant_list = charvariant_list_; \ |
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| 123 | clazz->clazz.variantchar_list = variantchar_list_; \ |
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| 124 | clazz->format = format_; \ |
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| 125 | clazz->validate = validate_; \ |
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| 126 | clazz->get_cmap_info = get_cmap_info_; \ |
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| 127 | } |
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| 128 | |||
| 129 | #endif /* FT_CONFIG_OPTION_PIC */ |
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| 130 | |||
| 131 | |||
| 132 | typedef struct TT_ValidatorRec_ |
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| 133 | { |
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| 134 | FT_ValidatorRec validator; |
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| 135 | FT_UInt num_glyphs; |
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| 136 | |||
| 137 | } TT_ValidatorRec, *TT_Validator; |
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| 138 | |||
| 139 | |||
| 140 | #define TT_VALIDATOR( x ) ( (TT_Validator)( x ) ) |
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| 141 | #define TT_VALID_GLYPH_COUNT( x ) TT_VALIDATOR( x )->num_glyphs |
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| 142 | |||
| 143 | |||
| 144 | FT_LOCAL( FT_Error ) |
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| 145 | tt_face_build_cmaps( TT_Face face ); |
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| 146 | |||
| 147 | /* used in tt-cmaps service */ |
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| 148 | FT_LOCAL( FT_Error ) |
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| 149 | tt_get_cmap_info( FT_CharMap charmap, |
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| 150 | TT_CMapInfo *cmap_info ); |
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| 151 | |||
| 152 | |||
| 153 | FT_END_HEADER |
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| 154 | |||
| 155 | #endif /* __TTCMAP_H__ */ |
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| 156 | |||
| 157 | |||
| 158 | /* END */ |