thirdparty/freetype-2.3.12/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 <ft2build.h>
  24 #include FT_INTERNAL_TYPE1_TYPES_H
  25 #include FT_INTERNAL_STREAM_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 */