1/***************************************************************************/
2/*                                                                         */
3/*  t42parse.h                                                             */
4/*                                                                         */
5/*    Type 42 font parser (specification).                                 */
6/*                                                                         */
7/*  Copyright 2002-2018 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 FT_INTERNAL_POSTSCRIPT_AUX_H
25
26
27FT_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
85FT_END_HEADER
86
87
88#endif /* T42PARSE_H_ */
89
90
91/* END */
92