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/src/freetype/src/cid/cidriver.c

https://bitbucket.org/cabalistic/ogredeps/
C | 241 lines | 138 code | 62 blank | 41 comment | 8 complexity | e4ae1ed3d0d2c4bd095678fc8bbaa7e9 MD5 | raw file
  1/***************************************************************************/
  2/*                                                                         */
  3/*  cidriver.c                                                             */
  4/*                                                                         */
  5/*    CID driver interface (body).                                         */
  6/*                                                                         */
  7/*  Copyright 1996-2004, 2006, 2008, 2009, 2011 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
 24#include "ciderrs.h"
 25
 26#include FT_SERVICE_POSTSCRIPT_NAME_H
 27#include FT_SERVICE_XFREE86_NAME_H
 28#include FT_SERVICE_POSTSCRIPT_INFO_H
 29#include FT_SERVICE_CID_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 CID_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 CID_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 CID_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 = CID_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 = CID_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#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
225    ft_stub_set_char_sizes,
226    ft_stub_set_pixel_sizes,
227#endif
228
229    cid_slot_load_glyph,
230
231    0,                      /* FT_Face_GetKerningFunc  */
232    0,                      /* FT_Face_AttachFunc      */
233
234    0,                      /* FT_Face_GetAdvancesFunc */
235
236    cid_size_request,
237    0                       /* FT_Size_SelectFunc      */
238  };
239
240
241/* END */