cidparse.h (3518B)
1 /**************************************************************************** 2 * 3 * cidparse.h 4 * 5 * CID-keyed Type1 parser (specification). 6 * 7 * Copyright (C) 1996-2025 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 <freetype/internal/t1types.h> 24 #include <freetype/internal/ftstream.h> 25 #include <freetype/internal/psaux.h> 26 27 28 FT_BEGIN_HEADER 29 30 31 /************************************************************************** 32 * 33 * @Struct: 34 * CID_Parser 35 * 36 * @Description: 37 * A CID_Parser is an object used to parse a Type 1 fonts very 38 * quickly. 39 * 40 * @Fields: 41 * root :: 42 * The root PS_ParserRec fields. 43 * 44 * stream :: 45 * The current input stream. 46 * 47 * postscript :: 48 * A pointer to the data to be parsed. 49 * 50 * postscript_len :: 51 * The length of the data to be parsed. 52 * 53 * data_offset :: 54 * The start position of the binary data (i.e., the 55 * end of the data to be parsed. 56 * 57 * binary_length :: 58 * The length of the data after the `StartData' 59 * command if the data format is hexadecimal. 60 * 61 * cid :: 62 * A structure which holds the information about 63 * the current font. 64 * 65 * num_dict :: 66 * The number of font dictionaries. 67 */ 68 typedef struct CID_Parser_ 69 { 70 PS_ParserRec root; 71 FT_Stream stream; 72 73 FT_Byte* postscript; 74 FT_ULong postscript_len; 75 76 FT_ULong data_offset; 77 78 FT_ULong binary_length; 79 80 CID_FaceInfo cid; 81 FT_UInt num_dict; 82 83 } CID_Parser; 84 85 86 FT_LOCAL( FT_Error ) 87 cid_parser_new( CID_Parser* parser, 88 FT_Stream stream, 89 FT_Memory memory, 90 PSAux_Service psaux ); 91 92 FT_LOCAL( void ) 93 cid_parser_done( CID_Parser* parser ); 94 95 96 /************************************************************************** 97 * 98 * PARSING ROUTINES 99 * 100 */ 101 102 #define cid_parser_skip_spaces( p ) \ 103 (p)->root.funcs.skip_spaces( &(p)->root ) 104 #define cid_parser_skip_PS_token( p ) \ 105 (p)->root.funcs.skip_PS_token( &(p)->root ) 106 107 #define cid_parser_to_int( p ) (p)->root.funcs.to_int( &(p)->root ) 108 #define cid_parser_to_fixed( p, t ) (p)->root.funcs.to_fixed( &(p)->root, t ) 109 110 #define cid_parser_to_coord_array( p, m, c ) \ 111 (p)->root.funcs.to_coord_array( &(p)->root, m, c ) 112 #define cid_parser_to_fixed_array( p, m, f, t ) \ 113 (p)->root.funcs.to_fixed_array( &(p)->root, m, f, t ) 114 #define cid_parser_to_token( p, t ) \ 115 (p)->root.funcs.to_token( &(p)->root, t ) 116 #define cid_parser_to_token_array( p, t, m, c ) \ 117 (p)->root.funcs.to_token_array( &(p)->root, t, m, c ) 118 119 #define cid_parser_load_field( p, f, o ) \ 120 (p)->root.funcs.load_field( &(p)->root, f, o, 0, 0 ) 121 #define cid_parser_load_field_table( p, f, o ) \ 122 (p)->root.funcs.load_field_table( &(p)->root, f, o, 0, 0 ) 123 124 125 FT_END_HEADER 126 127 #endif /* CIDPARSE_H_ */ 128 129 130 /* END */