include/internal/services/svttcmap.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  svttcmap.h                                                             */
   4 /*                                                                         */
   5 /*    The FreeType TrueType/sfnt cmap extra information service.           */
   6 /*                                                                         */
   7 /*  Copyright 2003 by                                                      */
   8 /*  Masatake YAMATO, Redhat K.K.                                           */
   9 /*                                                                         */
  10 /*  Copyright 2003, 2008, 2009, 2012, 2013 by                              */
  11 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
  12 /*                                                                         */
  13 /*  This file is part of the FreeType project, and may only be used,       */
  14 /*  modified, and distributed under the terms of the FreeType project      */
  15 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  16 /*  this file you indicate that you have read the license and              */
  17 /*  understand and accept it fully.                                        */
  18 /*                                                                         */
  19 /***************************************************************************/
  20
  21 /* Development of this service is support of
  22    Information-technology Promotion Agency, Japan. */
  23
  24 #ifndef __SVTTCMAP_H__
  25 #define __SVTTCMAP_H__
  26
  27 #include FT_INTERNAL_SERVICE_H
  28 #include FT_TRUETYPE_TABLES_H
  29
  30
  31 FT_BEGIN_HEADER
  32
  33
  34 #define FT_SERVICE_ID_TT_CMAP  "tt-cmaps"
  35
  36
  37   /*************************************************************************/
  38   /*                                                                       */
  39   /* <Struct>                                                              */
  40   /*    TT_CMapInfo                                                        */
  41   /*                                                                       */
  42   /* <Description>                                                         */
  43   /*    A structure used to store TrueType/sfnt specific cmap information  */
  44   /*    which is not covered by the generic @FT_CharMap structure.  This   */
  45   /*    structure can be accessed with the @FT_Get_TT_CMap_Info function.  */
  46   /*                                                                       */
  47   /* <Fields>                                                              */
  48   /*    language ::                                                        */
  49   /*      The language ID used in Mac fonts.  Definitions of values are in */
  50   /*      `ttnameid.h'.                                                    */
  51   /*                                                                       */
  52   /*    format ::                                                          */
  53   /*      The cmap format.  OpenType 1.5 defines the formats 0 (byte       */
  54   /*      encoding table), 2~(high-byte mapping through table), 4~(segment */
  55   /*      mapping to delta values), 6~(trimmed table mapping), 8~(mixed    */
  56   /*      16-bit and 32-bit coverage), 10~(trimmed array), 12~(segmented   */
  57   /*      coverage), and 14 (Unicode Variation Sequences).                 */
  58   /*                                                                       */
  59   typedef struct  TT_CMapInfo_
  60   {
  61     FT_ULong  language;
  62     FT_Long   format;
  63
  64   } TT_CMapInfo;
  65
  66
  67   typedef FT_Error
  68   (*TT_CMap_Info_GetFunc)( FT_CharMap    charmap,
  69                            TT_CMapInfo  *cmap_info );
  70
  71
  72   FT_DEFINE_SERVICE( TTCMaps )
  73   {
  74     TT_CMap_Info_GetFunc  get_cmap_info;
  75   };
  76
  77 #ifndef FT_CONFIG_OPTION_PIC
  78
  79 #define FT_DEFINE_SERVICE_TTCMAPSREC( class_, get_cmap_info_ )  \
  80   static const FT_Service_TTCMapsRec  class_ =                  \
  81   {                                                             \
  82     get_cmap_info_                                              \
  83   };
  84
  85 #else /* FT_CONFIG_OPTION_PIC */
  86
  87 #define FT_DEFINE_SERVICE_TTCMAPSREC( class_, get_cmap_info_ )  \
  88   void                                                          \
  89   FT_Init_Class_ ## class_( FT_Library              library,    \
  90                             FT_Service_TTCMapsRec*  clazz )     \
  91   {                                                             \
  92     FT_UNUSED( library );                                       \
  93                                                                 \
  94     clazz->get_cmap_info = get_cmap_info_;                      \
  95   }
  96
  97 #endif /* FT_CONFIG_OPTION_PIC */
  98
  99   /* */
 100
 101
 102 FT_END_HEADER
 103
 104 #endif /* __SVTTCMAP_H__ */
 105
 106
 107 /* END */