lib/3rdparty/freetype/src/sfnt/ttcmap.h

   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
  59   typedef struct  TT_ValidatorRec_
  60   {
  61     FT_ValidatorRec  validator;
  62     FT_UInt          num_glyphs;
  63
  64   } TT_ValidatorRec, *TT_Validator;
  65
  66
  67 #define TT_VALIDATOR( x )          ((TT_Validator)( x ))
  68 #define TT_VALID_GLYPH_COUNT( x )  TT_VALIDATOR( x )->num_glyphs
  69
  70
  71   FT_LOCAL( FT_Error )
  72   tt_face_build_cmaps( TT_Face  face );
  73
  74   /* used in tt-cmaps service */
  75   FT_LOCAL( FT_Error )
  76   tt_get_cmap_info( FT_CharMap    charmap,
  77                     TT_CMapInfo  *cmap_info );
  78
  79
  80 FT_END_HEADER
  81
  82 #endif /* __TTCMAP_H__ */
  83
  84
  85 /* END */