| 1 | /**************************************************************************** |
| 2 | * |
| 3 | * t42parse.h |
| 4 | * |
| 5 | * Type 42 font parser (specification). |
| 6 | * |
| 7 | * Copyright (C) 2002-2023 by |
| 8 | * Roberto Alameda. |
| 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 T42PARSE_H_ |
| 20 | #define T42PARSE_H_ |
| 21 | |
| 22 | |
| 23 | #include "t42objs.h" |
| 24 | #include <freetype/internal/psaux.h> |
| 25 | |
| 26 | |
| 27 | FT_BEGIN_HEADER |
| 28 | |
| 29 | typedef struct T42_ParserRec_ |
| 30 | { |
| 31 | PS_ParserRec root; |
| 32 | FT_Stream stream; |
| 33 | |
| 34 | FT_Byte* base_dict; |
| 35 | FT_Long base_len; |
| 36 | |
| 37 | FT_Bool in_memory; |
| 38 | |
| 39 | } T42_ParserRec, *T42_Parser; |
| 40 | |
| 41 | |
| 42 | typedef struct T42_Loader_ |
| 43 | { |
| 44 | T42_ParserRec parser; /* parser used to read the stream */ |
| 45 | |
| 46 | FT_Int num_chars; /* number of characters in encoding */ |
| 47 | PS_TableRec encoding_table; /* PS_Table used to store the */ |
| 48 | /* encoding character names */ |
| 49 | |
| 50 | FT_Int num_glyphs; |
| 51 | PS_TableRec glyph_names; |
| 52 | PS_TableRec charstrings; |
| 53 | PS_TableRec swap_table; /* For moving .notdef glyph to index 0. */ |
| 54 | |
| 55 | } T42_LoaderRec, *T42_Loader; |
| 56 | |
| 57 | |
| 58 | FT_LOCAL( FT_Error ) |
| 59 | t42_parser_init( T42_Parser parser, |
| 60 | FT_Stream stream, |
| 61 | FT_Memory memory, |
| 62 | PSAux_Service psaux ); |
| 63 | |
| 64 | FT_LOCAL( void ) |
| 65 | t42_parser_done( T42_Parser parser ); |
| 66 | |
| 67 | |
| 68 | FT_LOCAL( FT_Error ) |
| 69 | t42_parse_dict( T42_Face face, |
| 70 | T42_Loader loader, |
| 71 | FT_Byte* base, |
| 72 | FT_Long size ); |
| 73 | |
| 74 | |
| 75 | FT_LOCAL( void ) |
| 76 | t42_loader_init( T42_Loader loader, |
| 77 | T42_Face face ); |
| 78 | |
| 79 | FT_LOCAL( void ) |
| 80 | t42_loader_done( T42_Loader loader ); |
| 81 | |
| 82 | |
| 83 | /* */ |
| 84 | |
| 85 | FT_END_HEADER |
| 86 | |
| 87 | |
| 88 | #endif /* T42PARSE_H_ */ |
| 89 | |
| 90 | |
| 91 | /* END */ |
| 92 | |