XFA: merge patch from CL 817753002
[pdfium.git] / core / src / fxge / fx_freetype / fxft2.5.01 / src / cid / cidriver.c
1 /***************************************************************************/
2 /*                                                                         */
3 /*  cidriver.c                                                             */
4 /*                                                                         */
5 /*    CID driver interface (body).                                         */
6 /*                                                                         */
7 /*  Copyright 1996-2004, 2006, 2008, 2009, 2011, 2013 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 "../../include/ft2build.h"
20 #include "cidriver.h"
21 #include "cidgload.h"
22 #include "../../include/freetype/internal/ftdebug.h"
23
24 #include "ciderrs.h"
25
26 #include "../../include/freetype/internal/services/svpostnm.h"
27 #include "../../include/freetype/internal/services/svxf86nm.h"
28 #include "../../include/freetype/internal/services/svpsinfo.h"
29 #include "../../include/freetype/internal/services/svcid.h"
30
31
32   /*************************************************************************/
33   /*                                                                       */
34   /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */
35   /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */
36   /* messages during execution.                                            */
37   /*                                                                       */
38 #undef  FT_COMPONENT
39 #define FT_COMPONENT  trace_ciddriver
40
41
42   /*
43    *  POSTSCRIPT NAME SERVICE
44    *
45    */
46
47   static const char*
48   cid_get_postscript_name( CID_Face  face )
49   {
50     const char*  result = face->cid.cid_font_name;
51
52
53     if ( result && result[0] == '/' )
54       result++;
55
56     return result;
57   }
58
59
60   static const FT_Service_PsFontNameRec  cid_service_ps_name =
61   {
62     (FT_PsName_GetFunc) cid_get_postscript_name
63   };
64
65
66   /*
67    *  POSTSCRIPT INFO SERVICE
68    *
69    */
70
71   static FT_Error
72   cid_ps_get_font_info( FT_Face          face,
73                         PS_FontInfoRec*  afont_info )
74   {
75     *afont_info = ((CID_Face)face)->cid.font_info;
76
77     return FT_Err_Ok;
78   }
79
80   static FT_Error
81   cid_ps_get_font_extra( FT_Face          face,
82                         PS_FontExtraRec*  afont_extra )
83   {
84     *afont_extra = ((CID_Face)face)->font_extra;
85
86     return FT_Err_Ok;
87   }
88
89   static const FT_Service_PsInfoRec  cid_service_ps_info =
90   {
91     (PS_GetFontInfoFunc)   cid_ps_get_font_info,
92     (PS_GetFontExtraFunc)  cid_ps_get_font_extra,
93     (PS_HasGlyphNamesFunc) NULL,        /* unsupported with CID fonts */
94     (PS_GetFontPrivateFunc)NULL,        /* unsupported                */
95     (PS_GetFontValueFunc)  NULL         /* not implemented            */
96   };
97
98
99   /*
100    *  CID INFO SERVICE
101    *
102    */
103   static FT_Error
104   cid_get_ros( CID_Face      face,
105                const char*  *registry,
106                const char*  *ordering,
107                FT_Int       *supplement )
108   {
109     CID_FaceInfo  cid = &face->cid;
110
111
112     if ( registry )
113       *registry = cid->registry;
114
115     if ( ordering )
116       *ordering = cid->ordering;
117
118     if ( supplement )
119       *supplement = cid->supplement;
120
121     return FT_Err_Ok;
122   }
123
124
125   static FT_Error
126   cid_get_is_cid( CID_Face  face,
127                   FT_Bool  *is_cid )
128   {
129     FT_Error  error = FT_Err_Ok;
130     FT_UNUSED( face );
131
132
133     if ( is_cid )
134       *is_cid = 1; /* cid driver is only used for CID keyed fonts */
135
136     return error;
137   }
138
139
140   static FT_Error
141   cid_get_cid_from_glyph_index( CID_Face  face,
142                                 FT_UInt   glyph_index,
143                                 FT_UInt  *cid )
144   {
145     FT_Error  error = FT_Err_Ok;
146     FT_UNUSED( face );
147
148
149     if ( cid )
150       *cid = glyph_index; /* identity mapping */
151
152     return error;
153   }
154
155
156   static const FT_Service_CIDRec  cid_service_cid_info =
157   {
158      (FT_CID_GetRegistryOrderingSupplementFunc)cid_get_ros,
159      (FT_CID_GetIsInternallyCIDKeyedFunc)      cid_get_is_cid,
160      (FT_CID_GetCIDFromGlyphIndexFunc)         cid_get_cid_from_glyph_index
161   };
162
163
164   /*
165    *  SERVICE LIST
166    *
167    */
168
169   static const FT_ServiceDescRec  cid_services[] =
170   {
171     { FT_SERVICE_ID_XF86_NAME,            FT_XF86_FORMAT_CID },
172     { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &cid_service_ps_name },
173     { FT_SERVICE_ID_POSTSCRIPT_INFO,      &cid_service_ps_info },
174     { FT_SERVICE_ID_CID,                  &cid_service_cid_info },
175     { NULL, NULL }
176   };
177
178
179   FT_CALLBACK_DEF( FT_Module_Interface )
180   cid_get_interface( FT_Module    module,
181                      const char*  cid_interface )
182   {
183     FT_UNUSED( module );
184
185     return ft_service_list_lookup( cid_services, cid_interface );
186   }
187
188
189
190   FT_CALLBACK_TABLE_DEF
191   const FT_Driver_ClassRec  t1cid_driver_class =
192   {
193     /* first of all, the FT_Module_Class fields */
194     {
195       FT_MODULE_FONT_DRIVER       |
196       FT_MODULE_DRIVER_SCALABLE   |
197       FT_MODULE_DRIVER_HAS_HINTER,
198
199       sizeof ( FT_DriverRec ),
200       "t1cid",   /* module name           */
201       0x10000L,  /* version 1.0 of driver */
202       0x20000L,  /* requires FreeType 2.0 */
203
204       0,
205
206       cid_driver_init,
207       cid_driver_done,
208       cid_get_interface
209     },
210
211     /* then the other font drivers fields */
212     sizeof ( CID_FaceRec ),
213     sizeof ( CID_SizeRec ),
214     sizeof ( CID_GlyphSlotRec ),
215
216     cid_face_init,
217     cid_face_done,
218
219     cid_size_init,
220     cid_size_done,
221     cid_slot_init,
222     cid_slot_done,
223
224     cid_slot_load_glyph,
225
226     0,                      /* FT_Face_GetKerningFunc  */
227     0,                      /* FT_Face_AttachFunc      */
228
229     0,                      /* FT_Face_GetAdvancesFunc */
230
231     cid_size_request,
232     0                       /* FT_Size_SelectFunc      */
233   };
234
235
236 /* END */