1 /****************************************************************************
2 *
3 * cidriver.c
4 *
5 * CID driver interface (body).
6 *
7 * Copyright (C) 1996-2020 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 #include <ft2build.h>
20 #include "cidriver.h"
21 #include "cidgload.h"
22 #include FT_INTERNAL_DEBUG_H
23 #include FT_INTERNAL_POSTSCRIPT_PROPS_H
24
25 #include "ciderrs.h"
26
27 #include FT_SERVICE_POSTSCRIPT_NAME_H
28 #include FT_SERVICE_FONT_FORMAT_H
29 #include FT_SERVICE_POSTSCRIPT_INFO_H
30 #include FT_SERVICE_CID_H
31 #include FT_SERVICE_PROPERTIES_H
32 #include FT_DRIVER_H
33
34 #include FT_INTERNAL_POSTSCRIPT_AUX_H
35
36
37 /**************************************************************************
38 *
39 * The macro FT_COMPONENT is used in trace mode. It is an implicit
40 * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
41 * messages during execution.
42 */
43 #undef FT_COMPONENT
44 #define FT_COMPONENT ciddriver
45
46
47 /*
48 * POSTSCRIPT NAME SERVICE
49 *
50 */
51
52 static const char*
53 cid_get_postscript_name( CID_Face face )
54 {
55 const char* result = face->cid.cid_font_name;
56
57
58 if ( result && result[0] == '/' )
59 result++;
60
61 return result;
62 }
63
64
65 static const FT_Service_PsFontNameRec cid_service_ps_name =
66 {
67 (FT_PsName_GetFunc)cid_get_postscript_name /* get_ps_font_name */
68 };
69
70
71 /*
72 * POSTSCRIPT INFO SERVICE
73 *
74 */
75
76 static FT_Error
77 cid_ps_get_font_info( FT_Face face,
78 PS_FontInfoRec* afont_info )
79 {
80 *afont_info = ((CID_Face)face)->cid.font_info;
81
82 return FT_Err_Ok;
83 }
84
85 static FT_Error
86 cid_ps_get_font_extra( FT_Face face,
87 PS_FontExtraRec* afont_extra )
88 {
89 *afont_extra = ((CID_Face)face)->font_extra;
90
91 return FT_Err_Ok;
92 }
93
94 static const FT_Service_PsInfoRec cid_service_ps_info =
95 {
96 (PS_GetFontInfoFunc) cid_ps_get_font_info, /* ps_get_font_info */
97 (PS_GetFontExtraFunc) cid_ps_get_font_extra, /* ps_get_font_extra */
98 /* unsupported with CID fonts */
99 (PS_HasGlyphNamesFunc) NULL, /* ps_has_glyph_names */
100 /* unsupported */
101 (PS_GetFontPrivateFunc)NULL, /* ps_get_font_private */
102 /* not implemented */
103 (PS_GetFontValueFunc) NULL /* ps_get_font_value */
104 };
105
106
107 /*
108 * CID INFO SERVICE
109 *
110 */
111 static FT_Error
112 cid_get_ros( CID_Face face,
113 const char* *registry,
114 const char* *ordering,
115 FT_Int *supplement )
116 {
117 CID_FaceInfo cid = &face->cid;
118
119
120 if ( registry )
121 *registry = cid->registry;
122
123 if ( ordering )
124 *ordering = cid->ordering;
125
126 if ( supplement )
127 *supplement = cid->supplement;
128
129 return FT_Err_Ok;
130 }
131
132
133 static FT_Error
134 cid_get_is_cid( CID_Face face,
135 FT_Bool *is_cid )
136 {
137 FT_Error error = FT_Err_Ok;
138 FT_UNUSED( face );
139
140
141 if ( is_cid )
142 *is_cid = 1; /* cid driver is only used for CID keyed fonts */
143
144 return error;
145 }
146
147
148 static FT_Error
149 cid_get_cid_from_glyph_index( CID_Face face,
150 FT_UInt glyph_index,
151 FT_UInt *cid )
152 {
153 FT_Error error = FT_Err_Ok;
154 FT_UNUSED( face );
155
156
157 if ( cid )
158 *cid = glyph_index; /* identity mapping */
159
160 return error;
161 }
162
163
164 static const FT_Service_CIDRec cid_service_cid_info =
165 {
166 (FT_CID_GetRegistryOrderingSupplementFunc)
167 cid_get_ros, /* get_ros */
168 (FT_CID_GetIsInternallyCIDKeyedFunc)
169 cid_get_is_cid, /* get_is_cid */
170 (FT_CID_GetCIDFromGlyphIndexFunc)
171 cid_get_cid_from_glyph_index /* get_cid_from_glyph_index */
172 };
173
174
175 /*
176 * PROPERTY SERVICE
177 *
178 */
179
180 FT_DEFINE_SERVICE_PROPERTIESREC(
181 cid_service_properties,
182
183 (FT_Properties_SetFunc)ps_property_set, /* set_property */
184 (FT_Properties_GetFunc)ps_property_get ) /* get_property */
185
186
187 /*
188 * SERVICE LIST
189 *
190 */
191
192 static const FT_ServiceDescRec cid_services[] =
193 {
194 { FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CID },
195 { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &cid_service_ps_name },
196 { FT_SERVICE_ID_POSTSCRIPT_INFO, &cid_service_ps_info },
197 { FT_SERVICE_ID_CID, &cid_service_cid_info },
198 { FT_SERVICE_ID_PROPERTIES, &cid_service_properties },
199 { NULL, NULL }
200 };
201
202
203 FT_CALLBACK_DEF( FT_Module_Interface )
204 cid_get_interface( FT_Module module,
205 const char* cid_interface )
206 {
207 FT_UNUSED( module );
208
209 return ft_service_list_lookup( cid_services, cid_interface );
210 }
211
212
213
214 FT_CALLBACK_TABLE_DEF
215 const FT_Driver_ClassRec t1cid_driver_class =
216 {
217 {
218 FT_MODULE_FONT_DRIVER |
219 FT_MODULE_DRIVER_SCALABLE |
220 FT_MODULE_DRIVER_HAS_HINTER,
221 sizeof ( PS_DriverRec ),
222
223 "t1cid", /* module name */
224 0x10000L, /* version 1.0 of driver */
225 0x20000L, /* requires FreeType 2.0 */
226
227 NULL, /* module-specific interface */
228
229 cid_driver_init, /* FT_Module_Constructor module_init */
230 cid_driver_done, /* FT_Module_Destructor module_done */
231 cid_get_interface /* FT_Module_Requester get_interface */
232 },
233
234 sizeof ( CID_FaceRec ),
235 sizeof ( CID_SizeRec ),
236 sizeof ( CID_GlyphSlotRec ),
237
238 cid_face_init, /* FT_Face_InitFunc init_face */
239 cid_face_done, /* FT_Face_DoneFunc done_face */
240 cid_size_init, /* FT_Size_InitFunc init_size */
241 cid_size_done, /* FT_Size_DoneFunc done_size */
242 cid_slot_init, /* FT_Slot_InitFunc init_slot */
243 cid_slot_done, /* FT_Slot_DoneFunc done_slot */
244
245 cid_slot_load_glyph, /* FT_Slot_LoadFunc load_glyph */
246
247 NULL, /* FT_Face_GetKerningFunc get_kerning */
248 NULL, /* FT_Face_AttachFunc attach_file */
249 NULL, /* FT_Face_GetAdvancesFunc get_advances */
250
251 cid_size_request, /* FT_Size_RequestFunc request_size */
252 NULL /* FT_Size_SelectFunc select_size */
253 };
254
255
256 /* END */