kc3-lang/freetype/src/sfnt/ttcmap.h

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  Date : 2025-09-06T06:14:03
  

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• src/sfnt/ttcmap.h

• /****************************************************************************
   *
   * ttcmap.h
   *
   *   TrueType character mapping table (cmap) support (specification).
   *
   * Copyright (C) 2002-2025 by
   * David Turner, Robert Wilhelm, and Werner Lemberg.
   *
   * This file is part of the FreeType project, and may only be used,
   * modified, and distributed under the terms of the FreeType project
   * license, LICENSE.TXT.  By continuing to use, modify, or distribute
   * this file you indicate that you have read the license and
   * understand and accept it fully.
   *
   */
  
  
  #ifndef TTCMAP_H_
  #define TTCMAP_H_
  
  
  #include <freetype/internal/tttypes.h>
  #include <freetype/internal/ftvalid.h>
  #include <freetype/internal/services/svttcmap.h>
  
  FT_BEGIN_HEADER
  
  
  #define TT_CMAP_FLAG_UNSORTED     1
  #define TT_CMAP_FLAG_OVERLAPPING  2
  
    typedef struct  TT_CMapRec_
    {
      FT_CMapRec  cmap;
      FT_Byte*    data;           /* pointer to in-memory cmap table */
      FT_Int      flags;          /* for format 4 only               */
  
    } TT_CMapRec, *TT_CMap;
  
    typedef const struct TT_CMap_ClassRec_*  TT_CMap_Class;
  
  
    typedef FT_Error
    (*TT_CMap_ValidateFunc)( FT_Byte*      data,
                             FT_Validator  valid );
  
    typedef struct  TT_CMap_ClassRec_
    {
      FT_CMap_ClassRec      clazz;
      FT_UInt               format;
      TT_CMap_ValidateFunc  validate;
      TT_CMap_Info_GetFunc  get_cmap_info;
  
    } TT_CMap_ClassRec;
  
  
  #define FT_DEFINE_TT_CMAP( class_,             \
                             size_,              \
                             init_,              \
                             done_,              \
                             char_index_,        \
                             char_next_,         \
                             char_var_index_,    \
                             char_var_default_,  \
                             variant_list_,      \
                             charvariant_list_,  \
                             variantchar_list_,  \
                             format_,            \
                             validate_,          \
                             get_cmap_info_ )    \
    FT_CALLBACK_TABLE_DEF                        \
    const TT_CMap_ClassRec  class_ =             \
    {                                            \
      { size_,                                   \
        init_,                                   \
        done_,                                   \
        char_index_,                             \
        char_next_,                              \
        char_var_index_,                         \
        char_var_default_,                       \
        variant_list_,                           \
        charvariant_list_,                       \
        variantchar_list_                        \
      },                                         \
                                                 \
      format_,                                   \
      validate_,                                 \
      get_cmap_info_                             \
    };
  
  
  #undef  TTCMAPCITEM
  #define TTCMAPCITEM( a )  FT_CALLBACK_TABLE  const TT_CMap_ClassRec  a;
  #include "ttcmapc.h"
  
  
    typedef struct  TT_ValidatorRec_
    {
      FT_ValidatorRec  validator;
      FT_UInt          num_glyphs;
  
    } TT_ValidatorRec, *TT_Validator;
  
  
  #define TT_VALIDATOR( x )          ( (TT_Validator)( x ) )
  #define TT_VALID_GLYPH_COUNT( x )  TT_VALIDATOR( x )->num_glyphs
  
  
    FT_CALLBACK_TABLE const TT_CMap_ClassRec  tt_cmap_unicode_class_rec;
  
    FT_LOCAL( FT_Error )
    tt_face_build_cmaps( TT_Face  face );
  
    /* used in tt-cmaps service */
    FT_LOCAL( FT_Error )
    tt_get_cmap_info( FT_CharMap    charmap,
                      TT_CMapInfo  *cmap_info );
  
  
  FT_END_HEADER
  
  #endif /* TTCMAP_H_ */
  
  
  /* END */
  

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