1  /****************************************************************************
       2   *
       3   * t42parse.h
       4   *
       5   *   Type 42 font parser (specification).
       6   *
       7   * Copyright (C) 2002-2023 by
       8   * Roberto Alameda.
       9   *
      10   * This file is part of the FreeType project, and may only be used,
      11   * modified, and distributed under the terms of the FreeType project
      12   * license, LICENSE.TXT.  By continuing to use, modify, or distribute
      13   * this file you indicate that you have read the license and
      14   * understand and accept it fully.
      15   *
      16   */
      17  
      18  
      19  #ifndef T42PARSE_H_
      20  #define T42PARSE_H_
      21  
      22  
      23  #include "t42objs.h"
      24  #include <freetype/internal/psaux.h>
      25  
      26  
      27  FT_BEGIN_HEADER
      28  
      29    typedef struct  T42_ParserRec_
      30    {
      31      PS_ParserRec  root;
      32      FT_Stream     stream;
      33  
      34      FT_Byte*      base_dict;
      35      FT_Long       base_len;
      36  
      37      FT_Bool       in_memory;
      38  
      39    } T42_ParserRec, *T42_Parser;
      40  
      41  
      42    typedef struct  T42_Loader_
      43    {
      44      T42_ParserRec  parser;          /* parser used to read the stream */
      45  
      46      FT_Int         num_chars;       /* number of characters in encoding */
      47      PS_TableRec    encoding_table;  /* PS_Table used to store the       */
      48                                      /* encoding character names         */
      49  
      50      FT_Int         num_glyphs;
      51      PS_TableRec    glyph_names;
      52      PS_TableRec    charstrings;
      53      PS_TableRec    swap_table;      /* For moving .notdef glyph to index 0. */
      54  
      55    } T42_LoaderRec, *T42_Loader;
      56  
      57  
      58    FT_LOCAL( FT_Error )
      59    t42_parser_init( T42_Parser     parser,
      60                     FT_Stream      stream,
      61                     FT_Memory      memory,
      62                     PSAux_Service  psaux );
      63  
      64    FT_LOCAL( void )
      65    t42_parser_done( T42_Parser  parser );
      66  
      67  
      68    FT_LOCAL( FT_Error )
      69    t42_parse_dict( T42_Face    face,
      70                    T42_Loader  loader,
      71                    FT_Byte*    base,
      72                    FT_Long     size );
      73  
      74  
      75    FT_LOCAL( void )
      76    t42_loader_init( T42_Loader  loader,
      77                     T42_Face    face );
      78  
      79    FT_LOCAL( void )
      80    t42_loader_done( T42_Loader  loader );
      81  
      82  
      83   /* */
      84  
      85  FT_END_HEADER
      86  
      87  
      88  #endif /* T42PARSE_H_ */
      89  
      90  
      91  /* END */