+++ /dev/null
-/***************************************************************************/
-/* */
-/* t1parse.h */
-/* */
-/* Type 1 parser (specification). */
-/* */
-/* Copyright 1996-2000 by */
-/* David Turner, Robert Wilhelm, and Werner Lemberg. */
-/* */
-/* This file is part of the FreeType project, and may only be used, */
-/* modified, and distributed under the terms of the FreeType project */
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
-/* this file you indicate that you have read the license and */
-/* understand and accept it fully. */
-/* */
-/***************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* The Type1 parser component is in charge of simply parsing the font */
- /* input stream and convert simple tokens and elements into integers, */
- /* floats, matrices, strings, etc. */
- /* */
- /* It is used by the Type1 loader. */
- /* */
- /*************************************************************************/
-
-
-#ifndef T1PARSE_H
-#define T1PARSE_H
-
-#include <freetype/internal/ftstream.h>
-
-
-#ifdef FT_FLAT_COMPILE
-
-#include "t1tokens.h"
-
-#else
-
-#include <freetype/src/type1/t1tokens.h>
-
-#endif
-
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-
- /*************************************************************************/
- /* */
- /* <Enum> */
- /* T1_DictState */
- /* */
- /* <Description> */
- /* An enumeration used to describe the Type 1 parser's state, i.e. */
- /* which dictionary (or array) it is scanning and processing at the */
- /* current moment. */
- /* */
- typedef enum T1_DictState_
- {
- dict_none = 0,
- dict_font, /* parsing the font dictionary */
- dict_fontinfo, /* parsing the font info dictionary */
- dict_none2, /* beginning to parse the encrypted section */
- dict_private, /* parsing the private dictionary */
- dict_encoding, /* parsing the encoding array */
- dict_subrs, /* parsing the subrs array */
- dict_othersubrs, /* parsing the othersubrs array (?) */
- dict_charstrings, /* parsing the charstrings dictionary */
- dict_unknown_array, /* parsing/ignoring an unknown array */
- dict_unknown_dict, /* parsing/ignoring an unknown dictionary */
-
- dict_max /* do not remove from list */
-
- } T1_DictState;
-
-
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* T1_Table */
- /* */
- /* <Description> */
- /* A T1_Table is a simple object used to store an array of objects in */
- /* a single memory block. */
- /* */
- /* <Fields> */
- /* block :: The address in memory of the growheap's block. This */
- /* can change between two object adds, due to */
- /* reallocation. */
- /* */
- /* cursor :: The current top of the grow heap within its block. */
- /* */
- /* capacity :: The current size of the heap block. Increments by */
- /* 1kByte chunks. */
- /* */
- /* max_elems :: The maximum number of elements in table. */
- /* */
- /* num_elems :: The current number of elements in table. */
- /* */
- /* elements :: A table of element addresses within the block. */
- /* */
- /* lengths :: A table of element sizes within the block. */
- /* */
- /* memory :: The object used for memory operations */
- /* (alloc/realloc). */
- /* */
- typedef struct T1_Table_
- {
- FT_Byte* block; /* current memory block */
- FT_Int cursor; /* current cursor in memory block */
- FT_Int capacity; /* current size of memory block */
-
- FT_Int max_elems;
- FT_Int num_elems;
- FT_Byte** elements; /* addresses of table elements */
- FT_Int* lengths; /* lengths of table elements */
-
- FT_Memory memory;
-
- } T1_Table;
-
-
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* T1_Parser */
- /* */
- /* <Description> */
- /* A Type 1 parser. This object is in charge of parsing Type 1 ASCII */
- /* streams and builds dictionaries for a T1_Face object. */
- /* */
- /* <Fields> */
- /* error :: The current error code. 0 means success. */
- /* */
- /* face :: The target T1_Face object being built. */
- /* */
- /* tokenizer :: The tokenizer (lexical analyser) used for */
- /* processing the input stream. */
- /* */
- /* dump_tokens :: XXX */
- /* */
- /* stack :: The current token stack. Note that we don't */
- /* use intermediate Postscript objects here! */
- /* */
- /* top :: The current top of token stack. */
- /* */
- /* limit :: The current upper bound of the token stack. */
- /* Used for overflow checks. */
- /* */
- /* args :: The arguments of a given operator. Used and */
- /* increased by the various CopyXXX() functions. */
- /* */
- /* state_index :: The index of the top of the dictionary state */
- /* stack. */
- /* */
- /* state_stack :: The dictionary states stack. */
- /* */
- /* table :: A T1_Table object used to record various kinds */
- /* of dictionaries or arrays (like `/Encoding', */
- /* `/Subrs', `/CharStrings'). */
- /* */
- /* cur_name :: XXX */
- /* */
- /* encoding_type :: XXX */
- /* */
- /* encoding_names :: XXX */
- /* */
- /* encoding_lengths :: XXX */
- /* */
- /* encoding_offsets :: XXX */
- /* */
- /* subrs :: XXX */
- /* */
- /* charstrings :: XXX */
- /* */
- typedef struct T1_Parser_
- {
- FT_Error error;
- T1_Face face;
-
- T1_Tokenizer tokenizer;
- FT_Bool dump_tokens;
-
- T1_Token stack[T1_MAX_STACK_DEPTH];
- T1_Token* top;
- T1_Token* limit;
- T1_Token* args;
-
- FT_Int state_index;
- T1_DictState state_stack[T1_MAX_DICT_DEPTH];
-
- T1_Table table;
-
- FT_Int cur_name;
-
- T1_EncodingType encoding_type;
- FT_Byte* encoding_names;
- FT_Int* encoding_lengths;
- FT_Byte** encoding_offsets;
-
- FT_Byte* subrs;
- FT_Byte* charstrings;
-
- } T1_Parser;
-
-
- LOCAL_DEF
- FT_Error T1_New_Table( T1_Table* table,
- FT_Int count,
- FT_Memory memory );
-
- LOCAL_DEF
- FT_Error T1_Add_Table( T1_Table* table,
- FT_Int index,
- void* object,
- FT_Int length );
-
- LOCAL_DEF
- void T1_Done_Table( T1_Table* table );
-
-
- LOCAL_DEF
- FT_String* CopyString( T1_Parser* parser );
-
- LOCAL_DEF
- FT_Long CopyInteger( T1_Parser* parser );
-
- LOCAL_DEF
- FT_Bool CopyBoolean( T1_Parser* parser );
-
- LOCAL_DEF
- FT_Long CopyFloat( T1_Parser* parser,
- FT_Int scale );
-
- LOCAL_DEF
- void CopyBBox( T1_Parser* parser,
- FT_BBox* bbox );
-
- LOCAL_DEF
- void CopyMatrix( T1_Parser* parser,
- FT_Matrix* matrix );
-
- LOCAL_DEF
- void CopyArray( T1_Parser* parser,
- FT_Byte* num_elements,
- FT_Short* elements,
- FT_Int max_elements );
-
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* T1PARSE_H */
-
-
-/* END */
git://git.jankratochvil.net / reactos.git / blobdiff