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 :: 43 * The root PS_ParserRec fields. 44 * 45 * stream :: 46 * The current input stream. 47 * 48 * postscript :: 49 * A pointer to the data to be parsed. 50 * 51 * postscript_len :: 52 * The length of the data to be parsed. 53 * 54 * data_offset :: 55 * The start position of the binary data (i.e., the 56 * end of the data to be parsed. 57 * 58 * binary_length :: 59 * The length of the data after the `StartData' 60 * command if the data format is hexadecimal. 61 * 62 * cid :: 63 * A structure which holds the information about 64 * the current font. 65 * 66 * num_dict :: 67 * The number of font dictionaries. 68 */ 69 typedef struct CID_Parser_ 70 { 71 PS_ParserRec root; 72 FT_Stream stream; 73 74 FT_Byte* postscript; 75 FT_ULong postscript_len; 76 77 FT_ULong data_offset; 78 79 FT_ULong binary_length; 80 81 CID_FaceInfo cid; 82 FT_Int num_dict; 83 84 } CID_Parser; 85 86 87 FT_LOCAL( FT_Error ) 88 cid_parser_new( CID_Parser* parser, 89 FT_Stream stream, 90 FT_Memory memory, 91 PSAux_Service psaux ); 92 93 FT_LOCAL( void ) 94 cid_parser_done( CID_Parser* parser ); 95 96 97 /************************************************************************** 98 * 99 * PARSING ROUTINES 100 * 101 */ 102 103 #define cid_parser_skip_spaces( p ) \ 104 (p)->root.funcs.skip_spaces( &(p)->root ) 105 #define cid_parser_skip_PS_token( p ) \ 106 (p)->root.funcs.skip_PS_token( &(p)->root ) 107 108 #define cid_parser_to_int( p ) (p)->root.funcs.to_int( &(p)->root ) 109 #define cid_parser_to_fixed( p, t ) (p)->root.funcs.to_fixed( &(p)->root, t ) 110 111 #define cid_parser_to_coord_array( p, m, c ) \ 112 (p)->root.funcs.to_coord_array( &(p)->root, m, c ) 113 #define cid_parser_to_fixed_array( p, m, f, t ) \ 114 (p)->root.funcs.to_fixed_array( &(p)->root, m, f, t ) 115 #define cid_parser_to_token( p, t ) \ 116 (p)->root.funcs.to_token( &(p)->root, t ) 117 #define cid_parser_to_token_array( p, t, m, c ) \ 118 (p)->root.funcs.to_token_array( &(p)->root, t, m, c ) 119 120 #define cid_parser_load_field( p, f, o ) \ 121 (p)->root.funcs.load_field( &(p)->root, f, o, 0, 0 ) 122 #define cid_parser_load_field_table( p, f, o ) \ 123 (p)->root.funcs.load_field_table( &(p)->root, f, o, 0, 0 ) 124 125 126 FT_END_HEADER 127 128 #endif /* CIDPARSE_H_ */ 129 130 131 /* END */ 132