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/src/freetype/include/freetype/internal/services/svpscmap.h

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C++ Header | 177 lines | 97 code | 41 blank | 39 comment | 0 complexity | 179cfd0eb480ee53ea71e78d56c1e75c MD5 | raw file
  1/***************************************************************************/
  2/*                                                                         */
  3/*  svpscmap.h                                                             */
  4/*                                                                         */
  5/*    The FreeType PostScript charmap service (specification).             */
  6/*                                                                         */
  7/*  Copyright 2003, 2006, 2009, 2012 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 __SVPSCMAP_H__
 20#define __SVPSCMAP_H__
 21
 22#include FT_INTERNAL_OBJECTS_H
 23
 24
 25FT_BEGIN_HEADER
 26
 27
 28#define FT_SERVICE_ID_POSTSCRIPT_CMAPS  "postscript-cmaps"
 29
 30
 31  /*
 32   *  Adobe glyph name to unicode value.
 33   */
 34  typedef FT_UInt32
 35  (*PS_Unicode_ValueFunc)( const char*  glyph_name );
 36
 37  /*
 38   *  Macintosh name id to glyph name.  NULL if invalid index.
 39   */
 40  typedef const char*
 41  (*PS_Macintosh_NameFunc)( FT_UInt  name_index );
 42
 43  /*
 44   *  Adobe standard string ID to glyph name.  NULL if invalid index.
 45   */
 46  typedef const char*
 47  (*PS_Adobe_Std_StringsFunc)( FT_UInt  string_index );
 48
 49
 50  /*
 51   *  Simple unicode -> glyph index charmap built from font glyph names
 52   *  table.
 53   */
 54  typedef struct  PS_UniMap_
 55  {
 56    FT_UInt32  unicode;      /* bit 31 set: is glyph variant */
 57    FT_UInt    glyph_index;
 58
 59  } PS_UniMap;
 60
 61
 62  typedef struct PS_UnicodesRec_*  PS_Unicodes;
 63
 64  typedef struct  PS_UnicodesRec_
 65  {
 66    FT_CMapRec  cmap;
 67    FT_UInt     num_maps;
 68    PS_UniMap*  maps;
 69
 70  } PS_UnicodesRec;
 71
 72
 73  /*
 74   *  A function which returns a glyph name for a given index.  Returns
 75   *  NULL if invalid index.
 76   */
 77  typedef const char*
 78  (*PS_GetGlyphNameFunc)( FT_Pointer  data,
 79                          FT_UInt     string_index );
 80
 81  /*
 82   *  A function used to release the glyph name returned by
 83   *  PS_GetGlyphNameFunc, when needed
 84   */
 85  typedef void
 86  (*PS_FreeGlyphNameFunc)( FT_Pointer  data,
 87                           const char*  name );
 88
 89  typedef FT_Error
 90  (*PS_Unicodes_InitFunc)( FT_Memory             memory,
 91                           PS_Unicodes           unicodes,
 92                           FT_UInt               num_glyphs,
 93                           PS_GetGlyphNameFunc   get_glyph_name,
 94                           PS_FreeGlyphNameFunc  free_glyph_name,
 95                           FT_Pointer            glyph_data );
 96
 97  typedef FT_UInt
 98  (*PS_Unicodes_CharIndexFunc)( PS_Unicodes  unicodes,
 99                                FT_UInt32    unicode );
100
101  typedef FT_UInt32
102  (*PS_Unicodes_CharNextFunc)( PS_Unicodes  unicodes,
103                               FT_UInt32   *unicode );
104
105
106  FT_DEFINE_SERVICE( PsCMaps )
107  {
108    PS_Unicode_ValueFunc       unicode_value;
109
110    PS_Unicodes_InitFunc       unicodes_init;
111    PS_Unicodes_CharIndexFunc  unicodes_char_index;
112    PS_Unicodes_CharNextFunc   unicodes_char_next;
113
114    PS_Macintosh_NameFunc      macintosh_name;
115    PS_Adobe_Std_StringsFunc   adobe_std_strings;
116    const unsigned short*      adobe_std_encoding;
117    const unsigned short*      adobe_expert_encoding;
118  };
119
120
121#ifndef FT_CONFIG_OPTION_PIC
122
123#define FT_DEFINE_SERVICE_PSCMAPSREC( class_,                               \
124                                      unicode_value_,                       \
125                                      unicodes_init_,                       \
126                                      unicodes_char_index_,                 \
127                                      unicodes_char_next_,                  \
128                                      macintosh_name_,                      \
129                                      adobe_std_strings_,                   \
130                                      adobe_std_encoding_,                  \
131                                      adobe_expert_encoding_ )              \
132  static const FT_Service_PsCMapsRec  class_ =                              \
133  {                                                                         \
134    unicode_value_, unicodes_init_,                                         \
135    unicodes_char_index_, unicodes_char_next_, macintosh_name_,             \
136    adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_         \
137  };
138
139#else /* FT_CONFIG_OPTION_PIC */
140
141#define FT_DEFINE_SERVICE_PSCMAPSREC( class_,                               \
142                                      unicode_value_,                       \
143                                      unicodes_init_,                       \
144                                      unicodes_char_index_,                 \
145                                      unicodes_char_next_,                  \
146                                      macintosh_name_,                      \
147                                      adobe_std_strings_,                   \
148                                      adobe_std_encoding_,                  \
149                                      adobe_expert_encoding_ )              \
150  void                                                                      \
151  FT_Init_Class_ ## class_( FT_Library              library,                \
152                            FT_Service_PsCMapsRec*  clazz )                 \
153  {                                                                         \
154    FT_UNUSED( library );                                                   \
155                                                                            \
156    clazz->unicode_value         = unicode_value_;                          \
157    clazz->unicodes_init         = unicodes_init_;                          \
158    clazz->unicodes_char_index   = unicodes_char_index_;                    \
159    clazz->unicodes_char_next    = unicodes_char_next_;                     \
160    clazz->macintosh_name        = macintosh_name_;                         \
161    clazz->adobe_std_strings     = adobe_std_strings_;                      \
162    clazz->adobe_std_encoding    = adobe_std_encoding_;                     \
163    clazz->adobe_expert_encoding = adobe_expert_encoding_;                  \
164  }
165
166#endif /* FT_CONFIG_OPTION_PIC */
167
168  /* */
169
170
171FT_END_HEADER
172
173
174#endif /* __SVPSCMAP_H__ */
175
176
177/* END */