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

/*                                                                         */

/*  t1driver.c                                                             */

/*                                                                         */

/*    Type 1 driver interface (body).                                      */

/*                                                                         */

/*  Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 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 "t1driver.h"

#include "t1gload.h"

#include "t1load.h"

#include "t1errors.h"

#ifndef T1_CONFIG_OPTION_NO_AFM

#include "t1afm.h"

#endif

#include FT_INTERNAL_DEBUG_H

#include FT_INTERNAL_STREAM_H

#include FT_SERVICE_MULTIPLE_MASTERS_H

#include FT_SERVICE_GLYPH_DICT_H

#include FT_SERVICE_XFREE86_NAME_H

#include FT_SERVICE_POSTSCRIPT_NAME_H

#include FT_SERVICE_POSTSCRIPT_CMAPS_H

#include FT_SERVICE_POSTSCRIPT_INFO_H

#include FT_SERVICE_KERNING_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_t1driver

 /*

  *  GLYPH DICT SERVICE

  *

  */

  static FT_Error

  t1_get_glyph_name( T1_Face     face,

                     FT_UInt     glyph_index,

                     FT_Pointer  buffer,

                     FT_UInt     buffer_max )

  {

    FT_STRCPYN( buffer, face->type1.glyph_names[glyph_index], buffer_max );

    return T1_Err_Ok;

  }

  static FT_UInt

  t1_get_name_index( T1_Face     face,

                     FT_String*  glyph_name )

  {

    FT_Int      i;

    FT_String*  gname;

    for ( i = 0; i < face->type1.num_glyphs; i++ )

    {

      gname = face->type1.glyph_names[i];

      if ( !ft_strcmp( glyph_name, gname ) )

        return (FT_UInt)i;

    }

    return 0;

  }

  static const FT_Service_GlyphDictRec  t1_service_glyph_dict =

  {

    (FT_GlyphDict_GetNameFunc)  t1_get_glyph_name,

    (FT_GlyphDict_NameIndexFunc)t1_get_name_index

  };

  /*

   *  POSTSCRIPT NAME SERVICE

   *

   */

  static const char*

  t1_get_ps_name( T1_Face  face )

  {

    return (const char*) face->type1.font_name;

  }

  static const FT_Service_PsFontNameRec  t1_service_ps_name =

  {

    (FT_PsName_GetFunc)t1_get_ps_name

  };

  /*

   *  MULTIPLE MASTERS SERVICE

   *

   */

#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT

  static const FT_Service_MultiMastersRec  t1_service_multi_masters =

  {

    (FT_Get_MM_Func)        T1_Get_Multi_Master,

    (FT_Set_MM_Design_Func) T1_Set_MM_Design,

    (FT_Set_MM_Blend_Func)  T1_Set_MM_Blend,

    (FT_Get_MM_Var_Func)    T1_Get_MM_Var,

    (FT_Set_Var_Design_Func)T1_Set_Var_Design

  };

#endif

  /*

   *  POSTSCRIPT INFO SERVICE

   *

   */

  static FT_Error

  t1_ps_get_font_info( FT_Face          face,

                       PS_FontInfoRec*  afont_info )

  {

    *afont_info = ((T1_Face)face)->type1.font_info;

    return T1_Err_Ok;

  }

  static FT_Error

  t1_ps_get_font_extra( FT_Face           face,

                        PS_FontExtraRec*  afont_extra )

  {

    *afont_extra = ((T1_Face)face)->type1.font_extra;

    return T1_Err_Ok;

  }

  static FT_Int

  t1_ps_has_glyph_names( FT_Face  face )

  {

    FT_UNUSED( face );

    return 1;

  }

  static FT_Error

  t1_ps_get_font_private( FT_Face         face,

                          PS_PrivateRec*  afont_private )

  {

    *afont_private = ((T1_Face)face)->type1.private_dict;

    return T1_Err_Ok;

  }

  static const FT_Service_PsInfoRec  t1_service_ps_info =

  {

    (PS_GetFontInfoFunc)   t1_ps_get_font_info,

    (PS_GetFontExtraFunc)  t1_ps_get_font_extra,

    (PS_HasGlyphNamesFunc) t1_ps_has_glyph_names,

    (PS_GetFontPrivateFunc)t1_ps_get_font_private,

  };

#ifndef T1_CONFIG_OPTION_NO_AFM

  static const FT_Service_KerningRec  t1_service_kerning =

  {

    T1_Get_Track_Kerning,

  };

#endif

  /*

   *  SERVICE LIST

   *

   */

  static const FT_ServiceDescRec  t1_services[] =

  {

    { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &t1_service_ps_name },

    { FT_SERVICE_ID_GLYPH_DICT,           &t1_service_glyph_dict },

    { FT_SERVICE_ID_XF86_NAME,            FT_XF86_FORMAT_TYPE_1 },

    { FT_SERVICE_ID_POSTSCRIPT_INFO,      &t1_service_ps_info },

#ifndef T1_CONFIG_OPTION_NO_AFM

    { FT_SERVICE_ID_KERNING,              &t1_service_kerning },

#endif

#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT

    { FT_SERVICE_ID_MULTI_MASTERS,        &t1_service_multi_masters },

#endif

    { NULL, NULL }

  };

  static FT_Module_Interface

  Get_Interface( FT_Driver         driver,

                 const FT_String*  t1_interface )

  {

    FT_UNUSED( driver );

    return ft_service_list_lookup( t1_services, t1_interface );

  }

#ifndef T1_CONFIG_OPTION_NO_AFM

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

  /*                                                                       */

  /* <Function>                                                            */

  /*    Get_Kerning                                                        */

  /*                                                                       */

  /* <Description>                                                         */

  /*    A driver method used to return the kerning vector between two      */

  /*    glyphs of the same face.                                           */

  /*                                                                       */

  /* <Input>                                                               */

  /*    face        :: A handle to the source face object.                 */

  /*                                                                       */

  /*    left_glyph  :: The index of the left glyph in the kern pair.       */

  /*                                                                       */

  /*    right_glyph :: The index of the right glyph in the kern pair.      */

  /*                                                                       */

  /* <Output>                                                              */

  /*    kerning     :: The kerning vector.  This is in font units for      */

  /*                   scalable formats, and in pixels for fixed-sizes     */

  /*                   formats.                                            */

  /*                                                                       */

  /* <Return>                                                              */

  /*    FreeType error code.  0 means success.                             */

  /*                                                                       */

  /* <Note>                                                                */

  /*    Only horizontal layouts (left-to-right & right-to-left) are        */

  /*    supported by this function.  Other layouts, or more sophisticated  */

  /*    kernings are out of scope of this method (the basic driver         */

  /*    interface is meant to be simple).                                  */

  /*                                                                       */

  /*    They can be implemented by format-specific interfaces.             */

  /*                                                                       */

  static FT_Error

  Get_Kerning( T1_Face     face,

               FT_UInt     left_glyph,

               FT_UInt     right_glyph,

               FT_Vector*  kerning )

  {

    kerning->x = 0;

    kerning->y = 0;

    if ( face->afm_data )

      T1_Get_Kerning( (AFM_FontInfo)face->afm_data,

                      left_glyph,

                      right_glyph,

                      kerning );

    return T1_Err_Ok;

  }

#endif /* T1_CONFIG_OPTION_NO_AFM */

  FT_CALLBACK_TABLE_DEF

  const FT_Driver_ClassRec  t1_driver_class =

  {

    {

      FT_MODULE_FONT_DRIVER       |

      FT_MODULE_DRIVER_SCALABLE   |

      FT_MODULE_DRIVER_HAS_HINTER,

      sizeof( FT_DriverRec ),

      "type1",

      0x10000L,

      0x20000L,

      0,   /* format interface */

      (FT_Module_Constructor)T1_Driver_Init,

      (FT_Module_Destructor) T1_Driver_Done,

      (FT_Module_Requester)  Get_Interface,

    },

    sizeof( T1_FaceRec ),

    sizeof( T1_SizeRec ),

    sizeof( T1_GlyphSlotRec ),

    (FT_Face_InitFunc)        T1_Face_Init,

    (FT_Face_DoneFunc)        T1_Face_Done,

    (FT_Size_InitFunc)        T1_Size_Init,

    (FT_Size_DoneFunc)        T1_Size_Done,

    (FT_Slot_InitFunc)        T1_GlyphSlot_Init,

    (FT_Slot_DoneFunc)        T1_GlyphSlot_Done,

#ifdef FT_CONFIG_OPTION_OLD_INTERNALS

    ft_stub_set_char_sizes,

    ft_stub_set_pixel_sizes,

#endif

    (FT_Slot_LoadFunc)        T1_Load_Glyph,

#ifdef T1_CONFIG_OPTION_NO_AFM

    (FT_Face_GetKerningFunc)  0,

    (FT_Face_AttachFunc)      0,

#else

    (FT_Face_GetKerningFunc)  Get_Kerning,

    (FT_Face_AttachFunc)      T1_Read_Metrics,

#endif

    (FT_Face_GetAdvancesFunc) T1_Get_Advances,

    (FT_Size_RequestFunc)     T1_Size_Request,

    (FT_Size_SelectFunc)      0

  };

/* END */