/***************************************************************************/

/*                                                                         */

/*  cidriver.c                                                             */

/*                                                                         */

/*    CID driver interface (body).                                         */

/*                                                                         */

/*  Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008, 2009 by             */

/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */

/*                                                                         */

/*  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 <ft2build.h>

#include "cidriver.h"

#include "cidgload.h"

#include FT_INTERNAL_DEBUG_H



#include "ciderrs.h"



#include FT_SERVICE_POSTSCRIPT_NAME_H

#include FT_SERVICE_XFREE86_NAME_H

#include FT_SERVICE_POSTSCRIPT_INFO_H

#include FT_SERVICE_CID_H





  /*************************************************************************/

  /*                                                                       */

  /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */

  /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */

  /* messages during execution.                                            */

  /*                                                                       */

#undef  FT_COMPONENT

#define FT_COMPONENT  trace_ciddriver





  /*

   *  POSTSCRIPT NAME SERVICE

   *

   */



  static const char*

  cid_get_postscript_name( CID_Face  face )

  {

    const char*  result = face->cid.cid_font_name;





    if ( result && result[0] == '/' )

      result++;



    return result;

  }





  static const FT_Service_PsFontNameRec  cid_service_ps_name =

  {

    (FT_PsName_GetFunc) cid_get_postscript_name

  };





  /*

   *  POSTSCRIPT INFO SERVICE

   *

   */



  static FT_Error

  cid_ps_get_font_info( FT_Face          face,

                        PS_FontInfoRec*  afont_info )

  {

    *afont_info = ((CID_Face)face)->cid.font_info;



    return CID_Err_Ok;

  }



  static FT_Error

  cid_ps_get_font_extra( FT_Face          face,

                        PS_FontExtraRec*  afont_extra )

  {

    *afont_extra = ((CID_Face)face)->font_extra;



    return CID_Err_Ok;

  }



  static const FT_Service_PsInfoRec  cid_service_ps_info =

  {

    (PS_GetFontInfoFunc)   cid_ps_get_font_info,

    (PS_GetFontExtraFunc)  cid_ps_get_font_extra,

    (PS_HasGlyphNamesFunc) NULL,        /* unsupported with CID fonts */

    (PS_GetFontPrivateFunc)NULL         /* unsupported                */

  };





  /*

   *  CID INFO SERVICE

   *

   */

  static FT_Error

  cid_get_ros( CID_Face      face,

               const char*  *registry,

               const char*  *ordering,

               FT_Int       *supplement )

  {

    CID_FaceInfo  cid = &face->cid;





    if ( registry )

      *registry = cid->registry;

      

    if ( ordering )

      *ordering = cid->ordering;



    if ( supplement )

      *supplement = cid->supplement;

      

    return CID_Err_Ok;

  }





  static FT_Error

  cid_get_is_cid( CID_Face  face,

                  FT_Bool  *is_cid )

  {

    FT_Error  error = CID_Err_Ok;

    FT_UNUSED( face );





    if ( is_cid )

      *is_cid = 1; /* cid driver is only used for CID keyed fonts */



    return error;

  }





  static FT_Error

  cid_get_cid_from_glyph_index( CID_Face  face,

                                FT_UInt   glyph_index,

                                FT_UInt  *cid )

  {

    FT_Error  error = CID_Err_Ok;

    FT_UNUSED( face );





    if ( cid )

      *cid = glyph_index; /* identity mapping */



    return error;

  }





  static const FT_Service_CIDRec  cid_service_cid_info =

  {

     (FT_CID_GetRegistryOrderingSupplementFunc)cid_get_ros,

     (FT_CID_GetIsInternallyCIDKeyedFunc)      cid_get_is_cid,

     (FT_CID_GetCIDFromGlyphIndexFunc)         cid_get_cid_from_glyph_index

  };





  /*

   *  SERVICE LIST

   *

   */



  static const FT_ServiceDescRec  cid_services[] =

  {

    { FT_SERVICE_ID_XF86_NAME,            FT_XF86_FORMAT_CID },

    { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &cid_service_ps_name },

    { FT_SERVICE_ID_POSTSCRIPT_INFO,      &cid_service_ps_info },

    { FT_SERVICE_ID_CID,                  &cid_service_cid_info },

    { NULL, NULL }

  };





  FT_CALLBACK_DEF( FT_Module_Interface )

  cid_get_interface( FT_Module    module,

                     const char*  cid_interface )

  {

    FT_UNUSED( module );



    return ft_service_list_lookup( cid_services, cid_interface );

  }







  FT_CALLBACK_TABLE_DEF

  const FT_Driver_ClassRec  t1cid_driver_class =

  {

    /* first of all, the FT_Module_Class fields */

    {

      FT_MODULE_FONT_DRIVER       |

      FT_MODULE_DRIVER_SCALABLE   |

      FT_MODULE_DRIVER_HAS_HINTER,



      sizeof( FT_DriverRec ),

      "t1cid",   /* module name           */

      0x10000L,  /* version 1.0 of driver */

      0x20000L,  /* requires FreeType 2.0 */



      0,



      cid_driver_init,

      cid_driver_done,

      cid_get_interface

    },



    /* then the other font drivers fields */

    sizeof( CID_FaceRec ),

    sizeof( CID_SizeRec ),

    sizeof( CID_GlyphSlotRec ),



    cid_face_init,

    cid_face_done,



    cid_size_init,

    cid_size_done,

    cid_slot_init,

    cid_slot_done,



#ifdef FT_CONFIG_OPTION_OLD_INTERNALS

    ft_stub_set_char_sizes,

    ft_stub_set_pixel_sizes,

#endif



    cid_slot_load_glyph,



    0,                      /* FT_Face_GetKerningFunc  */

    0,                      /* FT_Face_AttachFunc      */



    0,                      /* FT_Face_GetAdvancesFunc */



    cid_size_request,

    0                       /* FT_Size_SelectFunc      */

  };





/* END */

