1 /***************************************************************************/
5 /* Type 1 character map support (body). */
7 /* Copyright 2002, 2003, 2006, 2007, 2012 by */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
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. */
16 /***************************************************************************/
21 #include FT_INTERNAL_DEBUG_H
26 /*************************************************************************/
27 /*************************************************************************/
29 /***** TYPE1 STANDARD (AND EXPERT) ENCODING CMAPS *****/
31 /*************************************************************************/
32 /*************************************************************************/
35 t1_cmap_std_init( T1_CMapStd cmap,
38 T1_Face face = (T1_Face)FT_CMAP_FACE( cmap );
39 FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames;
42 cmap->num_glyphs = face->type1.num_glyphs;
43 cmap->glyph_names = (const char* const*)face->type1.glyph_names;
44 cmap->sid_to_string = psnames->adobe_std_strings;
45 cmap->code_to_sid = is_expert ? psnames->adobe_expert_encoding
46 : psnames->adobe_std_encoding;
48 FT_ASSERT( cmap->code_to_sid != NULL );
52 FT_CALLBACK_DEF( void )
53 t1_cmap_std_done( T1_CMapStd cmap )
56 cmap->glyph_names = NULL;
57 cmap->sid_to_string = NULL;
58 cmap->code_to_sid = NULL;
62 FT_CALLBACK_DEF( FT_UInt )
63 t1_cmap_std_char_index( T1_CMapStd cmap,
69 if ( char_code < 256 )
72 const char* glyph_name;
75 /* convert character code to Adobe SID string */
76 code = cmap->code_to_sid[char_code];
77 glyph_name = cmap->sid_to_string( code );
79 /* look for the corresponding glyph name */
80 for ( n = 0; n < cmap->num_glyphs; n++ )
82 const char* gname = cmap->glyph_names[n];
85 if ( gname && gname[0] == glyph_name[0] &&
86 ft_strcmp( gname, glyph_name ) == 0 )
98 FT_CALLBACK_DEF( FT_UInt32 )
99 t1_cmap_std_char_next( T1_CMapStd cmap,
100 FT_UInt32 *pchar_code )
103 FT_UInt32 char_code = *pchar_code + 1;
106 while ( char_code < 256 )
108 result = t1_cmap_std_char_index( cmap, char_code );
117 *pchar_code = char_code;
122 FT_CALLBACK_DEF( FT_Error )
123 t1_cmap_standard_init( T1_CMapStd cmap )
125 t1_cmap_std_init( cmap, 0 );
130 FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec
131 t1_cmap_standard_class_rec =
133 sizeof ( T1_CMapStdRec ),
135 (FT_CMap_InitFunc) t1_cmap_standard_init,
136 (FT_CMap_DoneFunc) t1_cmap_std_done,
137 (FT_CMap_CharIndexFunc)t1_cmap_std_char_index,
138 (FT_CMap_CharNextFunc) t1_cmap_std_char_next,
140 NULL, NULL, NULL, NULL, NULL
144 FT_CALLBACK_DEF( FT_Error )
145 t1_cmap_expert_init( T1_CMapStd cmap )
147 t1_cmap_std_init( cmap, 1 );
151 FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec
152 t1_cmap_expert_class_rec =
154 sizeof ( T1_CMapStdRec ),
156 (FT_CMap_InitFunc) t1_cmap_expert_init,
157 (FT_CMap_DoneFunc) t1_cmap_std_done,
158 (FT_CMap_CharIndexFunc)t1_cmap_std_char_index,
159 (FT_CMap_CharNextFunc) t1_cmap_std_char_next,
161 NULL, NULL, NULL, NULL, NULL
165 /*************************************************************************/
166 /*************************************************************************/
168 /***** TYPE1 CUSTOM ENCODING CMAP *****/
170 /*************************************************************************/
171 /*************************************************************************/
174 FT_CALLBACK_DEF( FT_Error )
175 t1_cmap_custom_init( T1_CMapCustom cmap )
177 T1_Face face = (T1_Face)FT_CMAP_FACE( cmap );
178 T1_Encoding encoding = &face->type1.encoding;
181 cmap->first = encoding->code_first;
182 cmap->count = (FT_UInt)( encoding->code_last - cmap->first );
183 cmap->indices = encoding->char_index;
185 FT_ASSERT( cmap->indices != NULL );
186 FT_ASSERT( encoding->code_first <= encoding->code_last );
192 FT_CALLBACK_DEF( void )
193 t1_cmap_custom_done( T1_CMapCustom cmap )
195 cmap->indices = NULL;
201 FT_CALLBACK_DEF( FT_UInt )
202 t1_cmap_custom_char_index( T1_CMapCustom cmap,
203 FT_UInt32 char_code )
208 if ( ( char_code >= cmap->first ) &&
209 ( char_code < ( cmap->first + cmap->count ) ) )
210 result = cmap->indices[char_code];
216 FT_CALLBACK_DEF( FT_UInt32 )
217 t1_cmap_custom_char_next( T1_CMapCustom cmap,
218 FT_UInt32 *pchar_code )
221 FT_UInt32 char_code = *pchar_code;
226 if ( char_code < cmap->first )
227 char_code = cmap->first;
229 for ( ; char_code < ( cmap->first + cmap->count ); char_code++ )
231 result = cmap->indices[char_code];
239 *pchar_code = char_code;
244 FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec
245 t1_cmap_custom_class_rec =
247 sizeof ( T1_CMapCustomRec ),
249 (FT_CMap_InitFunc) t1_cmap_custom_init,
250 (FT_CMap_DoneFunc) t1_cmap_custom_done,
251 (FT_CMap_CharIndexFunc)t1_cmap_custom_char_index,
252 (FT_CMap_CharNextFunc) t1_cmap_custom_char_next,
254 NULL, NULL, NULL, NULL, NULL
258 /*************************************************************************/
259 /*************************************************************************/
261 /***** TYPE1 SYNTHETIC UNICODE ENCODING CMAP *****/
263 /*************************************************************************/
264 /*************************************************************************/
266 FT_CALLBACK_DEF( const char * )
267 psaux_get_glyph_name( T1_Face face,
270 return face->type1.glyph_names[idx];
274 FT_CALLBACK_DEF( FT_Error )
275 t1_cmap_unicode_init( PS_Unicodes unicodes )
277 T1_Face face = (T1_Face)FT_CMAP_FACE( unicodes );
278 FT_Memory memory = FT_FACE_MEMORY( face );
279 FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames;
282 return psnames->unicodes_init( memory,
284 face->type1.num_glyphs,
285 (PS_GetGlyphNameFunc)&psaux_get_glyph_name,
286 (PS_FreeGlyphNameFunc)NULL,
291 FT_CALLBACK_DEF( void )
292 t1_cmap_unicode_done( PS_Unicodes unicodes )
294 FT_Face face = FT_CMAP_FACE( unicodes );
295 FT_Memory memory = FT_FACE_MEMORY( face );
298 FT_FREE( unicodes->maps );
299 unicodes->num_maps = 0;
303 FT_CALLBACK_DEF( FT_UInt )
304 t1_cmap_unicode_char_index( PS_Unicodes unicodes,
305 FT_UInt32 char_code )
307 T1_Face face = (T1_Face)FT_CMAP_FACE( unicodes );
308 FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames;
311 return psnames->unicodes_char_index( unicodes, char_code );
315 FT_CALLBACK_DEF( FT_UInt32 )
316 t1_cmap_unicode_char_next( PS_Unicodes unicodes,
317 FT_UInt32 *pchar_code )
319 T1_Face face = (T1_Face)FT_CMAP_FACE( unicodes );
320 FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames;
323 return psnames->unicodes_char_next( unicodes, pchar_code );
327 FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec
328 t1_cmap_unicode_class_rec =
330 sizeof ( PS_UnicodesRec ),
332 (FT_CMap_InitFunc) t1_cmap_unicode_init,
333 (FT_CMap_DoneFunc) t1_cmap_unicode_done,
334 (FT_CMap_CharIndexFunc)t1_cmap_unicode_char_index,
335 (FT_CMap_CharNextFunc) t1_cmap_unicode_char_next,
337 NULL, NULL, NULL, NULL, NULL