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author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
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1 /***************************************************************************/
2 /* */
3 /* svpscmap.h */
4 /* */
5 /* The FreeType PostScript charmap service (specification). */
6 /* */
7 /* Copyright 2003, 2006 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
25 FT_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_, unicode_value_, unicodes_init_, \
124 unicodes_char_index_, unicodes_char_next_, macintosh_name_, \
125 adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_) \
126 static const FT_Service_PsCMapsRec class_ = \
127 { \
128 unicode_value_, unicodes_init_, \
129 unicodes_char_index_, unicodes_char_next_, macintosh_name_, \
130 adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_ \
131 };
132
133 #else /* FT_CONFIG_OPTION_PIC */
134
135 #define FT_DEFINE_SERVICE_PSCMAPSREC(class_, unicode_value_, unicodes_init_, \
136 unicodes_char_index_, unicodes_char_next_, macintosh_name_, \
137 adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_) \
138 void \
139 FT_Init_Class_##class_( FT_Library library, \
140 FT_Service_PsCMapsRec* clazz) \
141 { \
142 FT_UNUSED(library); \
143 clazz->unicode_value = unicode_value_; \
144 clazz->unicodes_init = unicodes_init_; \
145 clazz->unicodes_char_index = unicodes_char_index_; \
146 clazz->unicodes_char_next = unicodes_char_next_; \
147 clazz->macintosh_name = macintosh_name_; \
148 clazz->adobe_std_strings = adobe_std_strings_; \
149 clazz->adobe_std_encoding = adobe_std_encoding_; \
150 clazz->adobe_expert_encoding = adobe_expert_encoding_; \
151 }
152
153 #endif /* FT_CONFIG_OPTION_PIC */
154
155 /* */
156
157
158 FT_END_HEADER
159
160
161 #endif /* __SVPSCMAP_H__ */
162
163
164 /* END */