129 lines
6.1 KiB
C
129 lines
6.1 KiB
C
/***************************************************************************/
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/* */
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/* z1parse.h */
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/* */
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/* Experimental Type 1 parser (specification). */
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/* */
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/* Copyright 1996-2000 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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#ifndef Z1PARSE_H
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#define Z1PARSE_H
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#include <freetype/internal/t1types.h>
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#include <freetype/internal/ftstream.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* Z1_Parser */
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/* */
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/* <Description> */
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/* A Z1_Parser is an object used to parse a Type 1 fonts very */
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/* quickly. */
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/* */
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/* <Fields> */
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/* stream :: The current input stream. */
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/* */
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/* memory :: The current memory object. */
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/* */
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/* base_dict :: A pointer to the top-level dictionary. */
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/* */
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/* base_len :: The length in bytes of the top dictionary. */
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/* */
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/* private_dict :: A pointer to the private dictionary. */
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/* */
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/* private_len :: The length in bytes of the private dictionary. */
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/* */
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/* in_pfb :: A boolean. Indicates that we are handling a PFB */
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/* file. */
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/* */
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/* in_memory :: A boolean. Indicates a memory-based stream. */
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/* */
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/* single_block :: A boolean. Indicates that the private dictionary */
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/* is stored in lieu of the base dictionary. */
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/* */
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/* cursor :: The current parser cursor. */
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/* */
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/* limit :: The current parser limit (first byte after the */
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/* current dictionary). */
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/* */
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/* error :: The current parsing error. */
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/* */
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typedef struct Z1_Parser_
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{
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T1_Parser root;
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FT_Stream stream;
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FT_Byte* base_dict;
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FT_Int base_len;
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FT_Byte* private_dict;
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FT_Int private_len;
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FT_Byte in_pfb;
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FT_Byte in_memory;
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FT_Byte single_block;
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} Z1_Parser;
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#define Z1_Add_Table(p,i,o,l) (p)->funcs.add( (p), i, o, l )
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#define Z1_Done_Table(p) do { if ((p)->funcs.done) (p)->funcs.done( p ); } while (0)
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#define Z1_Release_Table(p) do { if ((p)->funcs.release) (p)->funcs.release( p ); } while (0)
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#define Z1_Skip_Spaces(p) (p)->root.funcs.skip_spaces( &(p)->root )
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#define Z1_Skip_Alpha(p) (p)->root.funcs.skip_alpha ( &(p)->root )
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#define Z1_ToInt(p) (p)->root.funcs.to_int( &(p)->root )
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#define Z1_ToFixed(p,t) (p)->root.funcs.to_fixed( &(p)->root, t )
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#define Z1_ToCoordArray(p,m,c) (p)->root.funcs.to_coord_array( &(p)->root, m, c )
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#define Z1_ToFixedArray(p,m,f,t) (p)->root.funcs.to_fixed_array( &(p)->root, m, f, t )
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#define Z1_ToToken(p,t) (p)->root.funcs.to_token( &(p)->root, t )
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#define Z1_ToTokenArray(p,t,m,c) (p)->root.funcs.to_token_array( &(p)->root, t, m, c )
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#define Z1_Load_Field(p,f,o,m,pf) (p)->root.funcs.load_field( &(p)->root, f, o, m, pf )
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#define Z1_Load_Field_Table(p,f,o,m,pf) (p)->root.funcs.load_field_table( &(p)->root, f, o, m, pf )
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LOCAL_DEF
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FT_Error Z1_New_Parser( Z1_Parser* parser,
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FT_Stream stream,
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FT_Memory memory,
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PSAux_Interface* psaux );
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LOCAL_DEF
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FT_Error Z1_Get_Private_Dict( Z1_Parser* parser );
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LOCAL_DEF
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void Z1_Decrypt( FT_Byte* buffer,
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FT_Int length,
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FT_UShort seed );
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LOCAL_DEF
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void Z1_Done_Parser( Z1_Parser* parser );
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#ifdef __cplusplus
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}
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#endif
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#endif /* Z1PARSE_H */
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/* END */
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