thirdparty/freetype-2.3.12/src/base/ftcid.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ftcid.c                                                                */
   4 /*                                                                         */
   5 /*    FreeType API for accessing CID font information.                     */
   6 /*                                                                         */
   7 /*  Copyright 2007, 2009 by Derek Clegg, Michael Toftdal.                  */
   8 /*                                                                         */
   9 /*  This file is part of the FreeType project, and may only be used,       */
  10 /*  modified, and distributed under the terms of the FreeType project      */
  11 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  12 /*  this file you indicate that you have read the license and              */
  13 /*  understand and accept it fully.                                        */
  14 /*                                                                         */
  15 /***************************************************************************/
  16
  17
  18 #include <ft2build.h>
  19 #include FT_CID_H
  20 #include FT_INTERNAL_OBJECTS_H
  21 #include FT_SERVICE_CID_H
  22
  23
  24   /* documentation is in ftcid.h */
  25
  26   FT_EXPORT_DEF( FT_Error )
  27   FT_Get_CID_Registry_Ordering_Supplement( FT_Face       face,
  28                                            const char*  *registry,
  29                                            const char*  *ordering,
  30                                            FT_Int       *supplement)
  31   {
  32     FT_Error     error;
  33     const char*  r = NULL;
  34     const char*  o = NULL;
  35     FT_Int       s = 0;
  36
  37
  38     error = FT_Err_Invalid_Argument;
  39
  40     if ( face )
  41     {
  42       FT_Service_CID  service;
  43
  44
  45       FT_FACE_FIND_SERVICE( face, service, CID );
  46
  47       if ( service && service->get_ros )
  48         error = service->get_ros( face, &r, &o, &s );
  49     }
  50
  51     if ( registry )
  52       *registry = r;
  53
  54     if ( ordering )
  55       *ordering = o;
  56
  57     if ( supplement )
  58       *supplement = s;
  59
  60     return error;
  61   }
  62
  63
  64   FT_EXPORT_DEF( FT_Error )
  65   FT_Get_CID_Is_Internally_CID_Keyed( FT_Face   face,
  66                                       FT_Bool  *is_cid )
  67   {
  68     FT_Error  error = FT_Err_Invalid_Argument;
  69     FT_Bool   ic = 0;
  70
  71
  72     if ( face )
  73     {
  74       FT_Service_CID  service;
  75
  76
  77       FT_FACE_FIND_SERVICE( face, service, CID );
  78
  79       if ( service && service->get_is_cid )
  80         error = service->get_is_cid( face, &ic);
  81     }
  82
  83     if ( is_cid )
  84       *is_cid = ic;
  85
  86     return error;
  87   }
  88
  89
  90   FT_EXPORT_DEF( FT_Error )
  91   FT_Get_CID_From_Glyph_Index( FT_Face   face,
  92                                FT_UInt   glyph_index,
  93                                FT_UInt  *cid )
  94   {
  95     FT_Error  error = FT_Err_Invalid_Argument;
  96     FT_UInt   c = 0;
  97
  98
  99     if ( face )
 100     {
 101       FT_Service_CID  service;
 102
 103
 104       FT_FACE_FIND_SERVICE( face, service, CID );
 105
 106       if ( service && service->get_cid_from_glyph_index )
 107         error = service->get_cid_from_glyph_index( face, glyph_index, &c);
 108     }
 109
 110     if ( cid )
 111       *cid = c;
 112
 113     return error;
 114   }
 115
 116
 117 /* END */