1/***************************************************************************/
2/*                                                                         */
3/*  t1parse.h                                                              */
4/*                                                                         */
5/*    Type 1 parser (specification).                                       */
6/*                                                                         */
7/*  Copyright 1996-2001, 2002, 2003, 2008 by                               */
8/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
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 __T1PARSE_H__
20#define __T1PARSE_H__
21
22
23#include <ft2build.h>
24#include FT_INTERNAL_TYPE1_TYPES_H
25#include FT_INTERNAL_STREAM_H
26
27
28FT_BEGIN_HEADER
29
30
31  /*************************************************************************/
32  /*                                                                       */
33  /* <Struct>                                                              */
34  /*    T1_ParserRec                                                       */
35  /*                                                                       */
36  /* <Description>                                                         */
37  /*    A PS_ParserRec is an object used to parse a Type 1 fonts very      */
38  /*    quickly.                                                           */
39  /*                                                                       */
40  /* <Fields>                                                              */
41  /*    root         :: The root parser.                                   */
42  /*                                                                       */
43  /*    stream       :: The current input stream.                          */
44  /*                                                                       */
45  /*    base_dict    :: A pointer to the top-level dictionary.             */
46  /*                                                                       */
47  /*    base_len     :: The length in bytes of the top dictionary.         */
48  /*                                                                       */
49  /*    private_dict :: A pointer to the private dictionary.               */
50  /*                                                                       */
51  /*    private_len  :: The length in bytes of the private dictionary.     */
52  /*                                                                       */
53  /*    in_pfb       :: A boolean.  Indicates that we are handling a PFB   */
54  /*                    file.                                              */
55  /*                                                                       */
56  /*    in_memory    :: A boolean.  Indicates a memory-based stream.       */
57  /*                                                                       */
58  /*    single_block :: A boolean.  Indicates that the private dictionary  */
59  /*                    is stored in lieu of the base dictionary.          */
60  /*                                                                       */
61  typedef struct  T1_ParserRec_
62  {
63    PS_ParserRec  root;
64    FT_Stream     stream;
65
66    FT_Byte*      base_dict;
67    FT_ULong      base_len;
68
69    FT_Byte*      private_dict;
70    FT_ULong      private_len;
71
72    FT_Bool       in_pfb;
73    FT_Bool       in_memory;
74    FT_Bool       single_block;
75
76  } T1_ParserRec, *T1_Parser;
77
78
79#define T1_Add_Table( p, i, o, l )  (p)->funcs.add( (p), i, o, l )
80#define T1_Done_Table( p )          \
81          do                        \
82          {                         \
83            if ( (p)->funcs.done )  \
84              (p)->funcs.done( p ); \
85          } while ( 0 )
86#define T1_Release_Table( p )          \
87          do                           \
88          {                            \
89            if ( (p)->funcs.release )  \
90              (p)->funcs.release( p ); \
91          } while ( 0 )
92
93
94#define T1_Skip_Spaces( p )    (p)->root.funcs.skip_spaces( &(p)->root )
95#define T1_Skip_PS_Token( p )  (p)->root.funcs.skip_PS_token( &(p)->root )
96
97#define T1_ToInt( p )       (p)->root.funcs.to_int( &(p)->root )
98#define T1_ToFixed( p, t )  (p)->root.funcs.to_fixed( &(p)->root, t )
99
100#define T1_ToCoordArray( p, m, c )                           \
101          (p)->root.funcs.to_coord_array( &(p)->root, m, c )
102#define T1_ToFixedArray( p, m, f, t )                           \
103          (p)->root.funcs.to_fixed_array( &(p)->root, m, f, t )
104#define T1_ToToken( p, t )                          \
105          (p)->root.funcs.to_token( &(p)->root, t )
106#define T1_ToTokenArray( p, t, m, c )                           \
107          (p)->root.funcs.to_token_array( &(p)->root, t, m, c )
108
109#define T1_Load_Field( p, f, o, m, pf )                         \
110          (p)->root.funcs.load_field( &(p)->root, f, o, m, pf )
111
112#define T1_Load_Field_Table( p, f, o, m, pf )                         \
113          (p)->root.funcs.load_field_table( &(p)->root, f, o, m, pf )
114
115
116  FT_LOCAL( FT_Error )
117  T1_New_Parser( T1_Parser      parser,
118                 FT_Stream      stream,
119                 FT_Memory      memory,
120                 PSAux_Service  psaux );
121
122  FT_LOCAL( FT_Error )
123  T1_Get_Private_Dict( T1_Parser      parser,
124                       PSAux_Service  psaux );
125
126  FT_LOCAL( void )
127  T1_Finalize_Parser( T1_Parser  parser );
128
129
130FT_END_HEADER
131
132#endif /* __T1PARSE_H__ */
133
134
135/* END */
136