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      1 /***************************************************************************/
      2 /*                                                                         */
      3 /*  cidparse.h                                                             */
      4 /*                                                                         */
      5 /*    CID-keyed Type1 parser (specification).                              */
      6 /*                                                                         */
      7 /*  Copyright 1996-2018 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 CIDPARSE_H_
     20 #define CIDPARSE_H_
     21 
     22 
     23 #include <ft2build.h>
     24 #include FT_INTERNAL_TYPE1_TYPES_H
     25 #include FT_INTERNAL_STREAM_H
     26 #include FT_INTERNAL_POSTSCRIPT_AUX_H
     27 
     28 
     29 FT_BEGIN_HEADER
     30 
     31 
     32   /*************************************************************************/
     33   /*                                                                       */
     34   /* <Struct>                                                              */
     35   /*    CID_Parser                                                         */
     36   /*                                                                       */
     37   /* <Description>                                                         */
     38   /*    A CID_Parser is an object used to parse a Type 1 fonts very        */
     39   /*    quickly.                                                           */
     40   /*                                                                       */
     41   /* <Fields>                                                              */
     42   /*    root           :: The root PS_ParserRec fields.                    */
     43   /*                                                                       */
     44   /*    stream         :: The current input stream.                        */
     45   /*                                                                       */
     46   /*    postscript     :: A pointer to the data to be parsed.              */
     47   /*                                                                       */
     48   /*    postscript_len :: The length of the data to be parsed.             */
     49   /*                                                                       */
     50   /*    data_offset    :: The start position of the binary data (i.e., the */
     51   /*                      end of the data to be parsed.                    */
     52   /*                                                                       */
     53   /*    binary_length  :: The length of the data after the `StartData'     */
     54   /*                      command if the data format is hexadecimal.       */
     55   /*                                                                       */
     56   /*    cid            :: A structure which holds the information about    */
     57   /*                      the current font.                                */
     58   /*                                                                       */
     59   /*    num_dict       :: The number of font dictionaries.                 */
     60   /*                                                                       */
     61   typedef struct  CID_Parser_
     62   {
     63     PS_ParserRec  root;
     64     FT_Stream     stream;
     65 
     66     FT_Byte*      postscript;
     67     FT_ULong      postscript_len;
     68 
     69     FT_ULong      data_offset;
     70 
     71     FT_ULong      binary_length;
     72 
     73     CID_FaceInfo  cid;
     74     FT_Int        num_dict;
     75 
     76   } CID_Parser;
     77 
     78 
     79   FT_LOCAL( FT_Error )
     80   cid_parser_new( CID_Parser*    parser,
     81                   FT_Stream      stream,
     82                   FT_Memory      memory,
     83                   PSAux_Service  psaux );
     84 
     85   FT_LOCAL( void )
     86   cid_parser_done( CID_Parser*  parser );
     87 
     88 
     89   /*************************************************************************/
     90   /*                                                                       */
     91   /*                            PARSING ROUTINES                           */
     92   /*                                                                       */
     93   /*************************************************************************/
     94 
     95 #define cid_parser_skip_spaces( p )                 \
     96           (p)->root.funcs.skip_spaces( &(p)->root )
     97 #define cid_parser_skip_PS_token( p )                 \
     98           (p)->root.funcs.skip_PS_token( &(p)->root )
     99 
    100 #define cid_parser_to_int( p )       (p)->root.funcs.to_int( &(p)->root )
    101 #define cid_parser_to_fixed( p, t )  (p)->root.funcs.to_fixed( &(p)->root, t )
    102 
    103 #define cid_parser_to_coord_array( p, m, c )                 \
    104           (p)->root.funcs.to_coord_array( &(p)->root, m, c )
    105 #define cid_parser_to_fixed_array( p, m, f, t )                 \
    106           (p)->root.funcs.to_fixed_array( &(p)->root, m, f, t )
    107 #define cid_parser_to_token( p, t )                 \
    108           (p)->root.funcs.to_token( &(p)->root, t )
    109 #define cid_parser_to_token_array( p, t, m, c )                 \
    110           (p)->root.funcs.to_token_array( &(p)->root, t, m, c )
    111 
    112 #define cid_parser_load_field( p, f, o )                       \
    113           (p)->root.funcs.load_field( &(p)->root, f, o, 0, 0 )
    114 #define cid_parser_load_field_table( p, f, o )                       \
    115           (p)->root.funcs.load_field_table( &(p)->root, f, o, 0, 0 )
    116 
    117 
    118 FT_END_HEADER
    119 
    120 #endif /* CIDPARSE_H_ */
    121 
    122 
    123 /* END */
    124