src/type42/t42parse.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  t42parse.h                                                             */
   4 /*                                                                         */
   5 /*    Type 42 font parser (specification).                                 */
   6 /*                                                                         */
   7 /*  Copyright 2002, 2003 by Roberto Alameda.                               */
   8 /*                                                                         */
   9 /*  This file is part of the FreeType project, and may only be used,       */
  10 /*  modified, and distributed under the terms of the FreeType project      */
  11 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  12 /*  this file you indicate that you have read the license and              */
  13 /*  understand and accept it fully.                                        */
  14 /*                                                                         */
  15 /***************************************************************************/
  16
  17
  18 #ifndef __T42PARSE_H__
  19 #define __T42PARSE_H__
  20
  21
  22 #include "t42objs.h"
  23 #include FT_INTERNAL_POSTSCRIPT_AUX_H
  24
  25
  26 FT_BEGIN_HEADER
  27
  28   typedef struct  T42_ParserRec_
  29   {
  30     PS_ParserRec  root;
  31     FT_Stream     stream;
  32
  33     FT_Byte*      base_dict;
  34     FT_Long       base_len;
  35
  36     FT_Bool       in_memory;
  37
  38   } T42_ParserRec, *T42_Parser;
  39
  40
  41   typedef struct  T42_Loader_
  42   {
  43     T42_ParserRec  parser;          /* parser used to read the stream */
  44
  45     FT_UInt        num_chars;       /* number of characters in encoding */
  46     PS_TableRec    encoding_table;  /* PS_Table used to store the       */
  47                                     /* encoding character names         */
  48
  49     FT_UInt        num_glyphs;
  50     PS_TableRec    glyph_names;
  51     PS_TableRec    charstrings;
  52     PS_TableRec    swap_table;      /* For moving .notdef glyph to index 0. */
  53
  54   } T42_LoaderRec, *T42_Loader;
  55
  56
  57   FT_LOCAL( FT_Error )
  58   t42_parser_init( T42_Parser     parser,
  59                    FT_Stream      stream,
  60                    FT_Memory      memory,
  61                    PSAux_Service  psaux );
  62
  63   FT_LOCAL( void )
  64   t42_parser_done( T42_Parser  parser );
  65
  66
  67   FT_LOCAL( FT_Error )
  68   t42_parse_dict( T42_Face    face,
  69                   T42_Loader  loader,
  70                   FT_Byte*    base,
  71                   FT_Long     size );
  72
  73
  74   FT_LOCAL( void )
  75   t42_loader_init( T42_Loader  loader,
  76                    T42_Face    face );
  77
  78   FT_LOCAL( void )
  79   t42_loader_done( T42_Loader  loader );
  80
  81
  82  /* */
  83
  84 FT_END_HEADER
  85
  86
  87 #endif /* __T42PARSE_H__ */
  88
  89
  90 /* END */