XFA: merge patch from CL 817753002
[pdfium.git] / core / src / fxge / fx_freetype / fxft2.5.01 / src / type1 / t1parse.h
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 "../../include/ft2build.h"
24 #include "../../include/freetype/internal/t1types.h"
25 #include "../../include/freetype/internal/ftstream.h"
26
27
28 FT_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
130 FT_END_HEADER
131
132 #endif /* __T1PARSE_H__ */
133
134
135 /* END */