1 /***************************************************************************/
2 /*                                                                         */
3 /*  svpscmap.h                                                             */
4 /*                                                                         */
5 /*    The FreeType PostScript charmap service (specification).             */
6 /*                                                                         */
7 /*  Copyright 2003 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 
23 FT_BEGIN_HEADER
24 
25 
26 #define FT_SERVICE_ID_POSTSCRIPT_CMAPS  "postscript-cmaps"
27 
28 
29   /*
30    *  Adobe glyph name to unicode value
31    */
32   typedef FT_UInt32
33   (*PS_Unicode_ValueFunc)( const char*  glyph_name );
34 
35   /*
36    *  Unicode value to Adobe glyph name index.  0xFFFF if not found.
37    */
38   typedef FT_UInt
39   (*PS_Unicode_Index_Func)( FT_UInt       num_glyphs,
40                             const char**  glyph_names,
41                             FT_ULong      unicode );
42 
43   /*
44    *  Macintosh name id to glyph name.  NULL if invalid index.
45    */
46   typedef const char*
47   (*PS_Macintosh_Name_Func)( FT_UInt  name_index );
48 
49   /*
50    *  Adobe standard string ID to glyph name.  NULL if invalid index.
51    */
52   typedef const char*
53   (*PS_Adobe_Std_Strings_Func)( FT_UInt  string_index );
54 
55   /*
56    *  Simple unicode -> glyph index charmap built from font glyph names
57    *  table.
58    */
59   typedef struct  PS_UniMap_
60   {
61     FT_UInt  unicode;
62     FT_UInt  glyph_index;
63 
64   } PS_UniMap;
65 
66 
67   typedef struct  PS_Unicodes_
68   {
69     FT_UInt     num_maps;
70     PS_UniMap*  maps;
71 
72   } PS_Unicodes;
73 
74 
75   typedef FT_Error
76   (*PS_Unicodes_InitFunc)( FT_Memory     memory,
77                            FT_UInt       num_glyphs,
78                            const char**  glyph_names,
79                            PS_Unicodes*  unicodes );
80 
81   typedef FT_UInt
82   (*PS_Unicodes_CharIndexFunc)( PS_Unicodes*  unicodes,
83                                 FT_UInt       unicode );
84 
85   typedef FT_ULong
86   (*PS_Unicodes_CharNextFunc)( PS_Unicodes*  unicodes,
87                                FT_ULong      unicode );
88 
89 
FT_DEFINE_SERVICE(PsCMaps)90   FT_DEFINE_SERVICE( PsCMaps )
91   {
92     PS_Unicode_ValueFunc       unicode_value;
93 
94     PS_Unicodes_InitFunc       unicodes_init;
95     PS_Unicodes_CharIndexFunc  unicodes_char_index;
96     PS_Unicodes_CharNextFunc   unicodes_char_next;
97 
98     PS_Macintosh_Name_Func     macintosh_name;
99     PS_Adobe_Std_Strings_Func  adobe_std_strings;
100     const unsigned short*      adobe_std_encoding;
101     const unsigned short*      adobe_expert_encoding;
102   };
103 
104   /* */
105 
106 
107 FT_END_HEADER
108 
109 
110 #endif /* __SVPSCMAP_H__ */
111 
112 
113 /* END */
114