1 /***************************************************************************/
5 /* TrueType character mapping table (cmap) support (specification). */
7 /* Copyright 2002-2018 by */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
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. */
16 /***************************************************************************/
24 #include FT_INTERNAL_TRUETYPE_TYPES_H
25 #include FT_INTERNAL_VALIDATE_H
26 #include FT_SERVICE_TT_CMAP_H
31 #define TT_CMAP_FLAG_UNSORTED 1
32 #define TT_CMAP_FLAG_OVERLAPPING 2
34 typedef struct TT_CMapRec_
37 FT_Byte
* data
; /* pointer to in-memory cmap table */
38 FT_Int flags
; /* for format 4 only */
40 } TT_CMapRec
, *TT_CMap
;
42 typedef const struct TT_CMap_ClassRec_
* TT_CMap_Class
;
46 (*TT_CMap_ValidateFunc
)( FT_Byte
* data
,
49 typedef struct TT_CMap_ClassRec_
51 FT_CMap_ClassRec clazz
;
53 TT_CMap_ValidateFunc validate
;
54 TT_CMap_Info_GetFunc get_cmap_info
;
59 #ifndef FT_CONFIG_OPTION_PIC
61 #define FT_DEFINE_TT_CMAP( class_, \
75 FT_CALLBACK_TABLE_DEF \
76 const TT_CMap_ClassRec class_ = \
95 #else /* FT_CONFIG_OPTION_PIC */
97 #define FT_DEFINE_TT_CMAP( class_, \
112 FT_Init_Class_ ## class_( TT_CMap_ClassRec* clazz ) \
114 clazz->clazz.size = size_; \
115 clazz->clazz.init = init_; \
116 clazz->clazz.done = done_; \
117 clazz->clazz.char_index = char_index_; \
118 clazz->clazz.char_next = char_next_; \
119 clazz->clazz.char_var_index = char_var_index_; \
120 clazz->clazz.char_var_default = char_var_default_; \
121 clazz->clazz.variant_list = variant_list_; \
122 clazz->clazz.charvariant_list = charvariant_list_; \
123 clazz->clazz.variantchar_list = variantchar_list_; \
124 clazz->format = format_; \
125 clazz->validate = validate_; \
126 clazz->get_cmap_info = get_cmap_info_; \
129 #endif /* FT_CONFIG_OPTION_PIC */
132 typedef struct TT_ValidatorRec_
134 FT_ValidatorRec validator
;
137 } TT_ValidatorRec
, *TT_Validator
;
140 #define TT_VALIDATOR( x ) ( (TT_Validator)( x ) )
141 #define TT_VALID_GLYPH_COUNT( x ) TT_VALIDATOR( x )->num_glyphs
144 FT_CALLBACK_TABLE
const TT_CMap_ClassRec tt_cmap_unicode_class_rec
;
147 tt_face_build_cmaps( TT_Face face
);
149 /* used in tt-cmaps service */
151 tt_get_cmap_info( FT_CharMap charmap
,
152 TT_CMapInfo
*cmap_info
);
157 #endif /* TTCMAP_H_ */