kc3-lang/freetype/src/base/ftcid.c

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  Date : 2023-01-17T09:18:25
  

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• src/base/ftcid.c

• /****************************************************************************
   *
   * ftcid.c
   *
   *   FreeType API for accessing CID font information.
   *
   * Copyright (C) 2007-2023 by
   * Derek Clegg and Michael Toftdal.
   *
   * This file is part of the FreeType project, and may only be used,
   * modified, and distributed under the terms of the FreeType project
   * license, LICENSE.TXT.  By continuing to use, modify, or distribute
   * this file you indicate that you have read the license and
   * understand and accept it fully.
   *
   */
  
  
  #include <freetype/ftcid.h>
  #include <freetype/internal/ftobjs.h>
  #include <freetype/internal/services/svcid.h>
  
  
    /* documentation is in ftcid.h */
  
    FT_EXPORT_DEF( FT_Error )
    FT_Get_CID_Registry_Ordering_Supplement( FT_Face       face,
                                             const char*  *registry,
                                             const char*  *ordering,
                                             FT_Int       *supplement)
    {
      FT_Error     error;
      const char*  r = NULL;
      const char*  o = NULL;
      FT_Int       s = 0;
  
  
      error = FT_ERR( Invalid_Argument );
  
      if ( face )
      {
        FT_Service_CID  service;
  
  
        FT_FACE_FIND_SERVICE( face, service, CID );
  
        if ( service && service->get_ros )
          error = service->get_ros( face, &r, &o, &s );
      }
  
      if ( registry )
        *registry = r;
  
      if ( ordering )
        *ordering = o;
  
      if ( supplement )
        *supplement = s;
  
      return error;
    }
  
  
    FT_EXPORT_DEF( FT_Error )
    FT_Get_CID_Is_Internally_CID_Keyed( FT_Face   face,
                                        FT_Bool  *is_cid )
    {
      FT_Error  error = FT_ERR( Invalid_Argument );
      FT_Bool   ic = 0;
  
  
      if ( face )
      {
        FT_Service_CID  service;
  
  
        FT_FACE_FIND_SERVICE( face, service, CID );
  
        if ( service && service->get_is_cid )
          error = service->get_is_cid( face, &ic);
      }
  
      if ( is_cid )
        *is_cid = ic;
  
      return error;
    }
  
  
    FT_EXPORT_DEF( FT_Error )
    FT_Get_CID_From_Glyph_Index( FT_Face   face,
                                 FT_UInt   glyph_index,
                                 FT_UInt  *cid )
    {
      FT_Error  error = FT_ERR( Invalid_Argument );
      FT_UInt   c = 0;
  
  
      if ( face )
      {
        FT_Service_CID  service;
  
  
        FT_FACE_FIND_SERVICE( face, service, CID );
  
        if ( service && service->get_cid_from_glyph_index )
          error = service->get_cid_from_glyph_index( face, glyph_index, &c);
      }
  
      if ( cid )
        *cid = c;
  
      return error;
    }
  
  
  /* END */
  

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