kc3-lang/freetype/src/sfnt/sfdriver.c

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• Hash : 415235df
  Author :
  Date : 2001-06-28T17:49:10
  

  finishing function header formatting updating copyrights

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• src/sfnt/sfdriver.c

• /***************************************************************************/
  /*                                                                         */
  /*  sfdriver.c                                                             */
  /*                                                                         */
  /*    High-level SFNT driver interface (body).                             */
  /*                                                                         */
  /*  Copyright 1996-2001 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 FT_INTERNAL_SFNT_H
  #include FT_INTERNAL_OBJECTS_H
  
  #include "sfdriver.h"
  #include "ttload.h"
  #include "ttcmap.h"
  #include "sfobjs.h"
  
  #ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
  #include "ttsbit.h"
  #endif
  
  #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
  #include "ttpost.h"
  #endif
  
  #include <string.h>     /* for strcmp() */
  
  
    static void*
    get_sfnt_table( TT_Face      face,
                    FT_Sfnt_Tag  tag )
    {
      void*  table;
  
  
      switch ( tag )
      {
      case ft_sfnt_head:
        table = &face->header;
        break;
  
      case ft_sfnt_hhea:
        table = &face->horizontal;
        break;
  
      case ft_sfnt_vhea:
        table = face->vertical_info ? &face->vertical : 0;
        break;
  
      case ft_sfnt_os2:
        table = face->os2.version == 0xFFFF ? 0 : &face->os2;
        break;
  
      case ft_sfnt_post:
        table = &face->postscript;
        break;
  
      case ft_sfnt_maxp:
        table = &face->max_profile;
        break;
  
      case ft_sfnt_pclt:
        table = face->pclt.Version ? &face->pclt : 0;
        break;
  
      default:
        table = 0;
      }
  
      return table;
    }
  
  
  #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
  
  
    static FT_Error
    get_sfnt_glyph_name( TT_Face     face,
                         FT_UInt     glyph_index,
                         FT_Pointer  buffer,
                         FT_UInt     buffer_max )
    {
      FT_String*  gname;
      FT_Error    error;
  
  
      error = TT_Get_PS_Name( face, glyph_index, &gname );
      if ( !error && buffer_max > 0 )
      {
        FT_UInt  len = (FT_UInt)( strlen( gname ) );
  
  
        if ( len >= buffer_max )
          len = buffer_max - 1;
  
        MEM_Copy( buffer, gname, len );
        ((FT_Byte*)buffer)[len] = 0;
      }
  
      return error;
    }
  
  
  #endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */
  
  
    FT_CALLBACK_DEF( FT_Module_Interface )
    SFNT_Get_Interface( FT_Module    module,
                        const char*  interface )
    {
      FT_UNUSED( module );
  
      if ( strcmp( interface, "get_sfnt" ) == 0 )
        return (FT_Module_Interface)get_sfnt_table;
  
  #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
      if ( strcmp( interface, "glyph_name" ) == 0 )
        return (FT_Module_Interface)get_sfnt_glyph_name;
  #endif
      return 0;
    }
  
  
    static
    const SFNT_Interface  sfnt_interface =
    {
      TT_Goto_Table,
  
      SFNT_Init_Face,
      SFNT_Load_Face,
      SFNT_Done_Face,
      SFNT_Get_Interface,
  
      TT_Load_Any,
      TT_Load_SFNT_Header,
      TT_Load_Directory,
  
      TT_Load_Header,
      TT_Load_Metrics_Header,
      TT_Load_CMap,
      TT_Load_MaxProfile,
      TT_Load_OS2,
      TT_Load_PostScript,
  
      TT_Load_Names,
      TT_Free_Names,
  
      TT_Load_Hdmx,
      TT_Free_Hdmx,
  
      TT_Load_Kern,
      TT_Load_Gasp,
      TT_Load_PCLT,
  
  #ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
  
      /* see `ttload.h' */
      TT_Load_Bitmap_Header,
  
      /* see `ttsbit.h' */
      TT_Set_SBit_Strike,
      TT_Load_SBit_Strikes,
      TT_Load_SBit_Image,
      TT_Free_SBit_Strikes,
  
  #else /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
  
      0,
      0,
      0,
      0,
      0,
  
  #endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
  
  #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
  
      /* see `ttpost.h' */
      TT_Get_PS_Name,
      TT_Free_Post_Names,
  
  #else /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */
  
      0,
      0,
  
  #endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */
  
      /* see `ttcmap.h' */
      TT_CharMap_Load,
      TT_CharMap_Free,
    };
  
  
    FT_CALLBACK_TABLE_DEF
    const FT_Module_Class  sfnt_module_class =
    {
      0,  /* not a font driver or renderer */
      sizeof( FT_ModuleRec ),
  
      "sfnt",     /* driver name                            */
      0x10000L,   /* driver version 1.0                     */
      0x20000L,   /* driver requires FreeType 2.0 or higher */
  
      (const void*)&sfnt_interface,  /* module specific interface */
  
      (FT_Module_Constructor)0,
      (FT_Module_Destructor) 0,
      (FT_Module_Requester)  SFNT_Get_Interface
    };
  
  
  /* END */
  

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