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/src/freetype/src/sfnt/ttcmap.h

https://bitbucket.org/cabalistic/ogredeps/
C++ Header | 125 lines | 76 code | 31 blank | 18 comment | 0 complexity | 26c3c89af05c6ed8ad38243b15b29337 MD5 | raw file
  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
 28FT_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
120FT_END_HEADER
121
122#endif /* __TTCMAP_H__ */
123
124
125/* END */