5172
+ − 1 /***************************************************************************/
+ − 2 /* */
+ − 3 /* ttcmap.h */
+ − 4 /* */
+ − 5 /* TrueType character mapping table (cmap) support (specification). */
+ − 6 /* */
+ − 7 /* Copyright 2002, 2003, 2004, 2005 by */
+ − 8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
+ − 9 /* */
+ − 10 /* This file is part of the FreeType project, and may only be used, */
+ − 11 /* modified, and distributed under the terms of the FreeType project */
+ − 12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+ − 13 /* this file you indicate that you have read the license and */
+ − 14 /* understand and accept it fully. */
+ − 15 /* */
+ − 16 /***************************************************************************/
+ − 17
+ − 18
+ − 19 #ifndef __TTCMAP_H__
+ − 20 #define __TTCMAP_H__
+ − 21
+ − 22
+ − 23 #include <ft2build.h>
+ − 24 #include FT_INTERNAL_TRUETYPE_TYPES_H
+ − 25 #include FT_INTERNAL_VALIDATE_H
+ − 26 #include FT_SERVICE_TT_CMAP_H
+ − 27
+ − 28 FT_BEGIN_HEADER
+ − 29
+ − 30
+ − 31 #define TT_CMAP_FLAG_UNSORTED 1
+ − 32 #define TT_CMAP_FLAG_OVERLAPPING 2
+ − 33
+ − 34 typedef struct TT_CMapRec_
+ − 35 {
+ − 36 FT_CMapRec cmap;
+ − 37 FT_Byte* data; /* pointer to in-memory cmap table */
+ − 38 FT_Int flags; /* for format 4 only */
+ − 39
+ − 40 } TT_CMapRec, *TT_CMap;
+ − 41
+ − 42 typedef const struct TT_CMap_ClassRec_* TT_CMap_Class;
+ − 43
+ − 44
+ − 45 typedef FT_Error
+ − 46 (*TT_CMap_ValidateFunc)( FT_Byte* data,
+ − 47 FT_Validator valid );
+ − 48
+ − 49 typedef struct TT_CMap_ClassRec_
+ − 50 {
+ − 51 FT_CMap_ClassRec clazz;
+ − 52 FT_UInt format;
+ − 53 TT_CMap_ValidateFunc validate;
+ − 54 TT_CMap_Info_GetFunc get_cmap_info;
+ − 55
+ − 56 } TT_CMap_ClassRec;
+ − 57
+ − 58 #ifndef FT_CONFIG_OPTION_PIC
+ − 59
+ − 60 #define FT_DEFINE_TT_CMAP(class_, size_, init_, done_, char_index_, \
+ − 61 char_next_, char_var_index_, char_var_default_, variant_list_, \
+ − 62 charvariant_list_,variantchar_list_, \
+ − 63 format_, validate_, get_cmap_info_) \
+ − 64 FT_CALLBACK_TABLE_DEF \
+ − 65 const TT_CMap_ClassRec class_ = \
+ − 66 { \
+ − 67 {size_, init_, done_, char_index_, \
+ − 68 char_next_, char_var_index_, char_var_default_, variant_list_, \
+ − 69 charvariant_list_, variantchar_list_}, \
+ − 70 format_, validate_, get_cmap_info_ \
+ − 71 };
+ − 72
+ − 73 #else /* FT_CONFIG_OPTION_PIC */
+ − 74
+ − 75 #define FT_DEFINE_TT_CMAP(class_, size_, init_, done_, char_index_, \
+ − 76 char_next_, char_var_index_, char_var_default_, variant_list_, \
+ − 77 charvariant_list_,variantchar_list_, \
+ − 78 format_, validate_, get_cmap_info_) \
+ − 79 void \
+ − 80 FT_Init_Class_##class_( TT_CMap_ClassRec* clazz ) \
+ − 81 { \
+ − 82 clazz->clazz.size = size_; \
+ − 83 clazz->clazz.init = init_; \
+ − 84 clazz->clazz.done = done_; \
+ − 85 clazz->clazz.char_index = char_index_; \
+ − 86 clazz->clazz.char_next = char_next_; \
+ − 87 clazz->clazz.char_var_index = char_var_index_; \
+ − 88 clazz->clazz.char_var_default = char_var_default_; \
+ − 89 clazz->clazz.variant_list = variant_list_; \
+ − 90 clazz->clazz.charvariant_list = charvariant_list_; \
+ − 91 clazz->clazz.variantchar_list = variantchar_list_; \
+ − 92 clazz->format = format_; \
+ − 93 clazz->validate = validate_; \
+ − 94 clazz->get_cmap_info = get_cmap_info_; \
+ − 95 }
+ − 96
+ − 97 #endif /* FT_CONFIG_OPTION_PIC */
+ − 98
+ − 99 typedef struct TT_ValidatorRec_
+ − 100 {
+ − 101 FT_ValidatorRec validator;
+ − 102 FT_UInt num_glyphs;
+ − 103
+ − 104 } TT_ValidatorRec, *TT_Validator;
+ − 105
+ − 106
+ − 107 #define TT_VALIDATOR( x ) ((TT_Validator)( x ))
+ − 108 #define TT_VALID_GLYPH_COUNT( x ) TT_VALIDATOR( x )->num_glyphs
+ − 109
+ − 110
+ − 111 FT_LOCAL( FT_Error )
+ − 112 tt_face_build_cmaps( TT_Face face );
+ − 113
+ − 114 /* used in tt-cmaps service */
+ − 115 FT_LOCAL( FT_Error )
+ − 116 tt_get_cmap_info( FT_CharMap charmap,
+ − 117 TT_CMapInfo *cmap_info );
+ − 118
+ − 119
+ − 120 FT_END_HEADER
+ − 121
+ − 122 #endif /* __TTCMAP_H__ */
+ − 123
+ − 124
+ − 125 /* END */