/*
* pts_lzw.h -- a compact LZW compressor (not uncompressor) interface
* compiled by
[email protected] at Mon Mar 4 00:31:20 CET 2002
*/
#ifndef PTS_LZW_H
#define PTS_LZW_H 1
#ifdef __GNUC__
#ifndef __clang__
#pragma interface
#endif
#endif
#include "config2.h" /* PTS_const */
/**** pts ****/
#ifndef ___
#if (defined(__STDC__) || defined(__cplusplus)) && !defined(NO_PROTO)
# define _(args) args
# define OF(args) args
# define ___(arg2s,arg1s,argafter) arg2s /* Dat: no direct comma allowed in args :-( */
#else
# define _(args) ()
# define OF(args) ()
# define ___(arg2s,arg1s,argafter) arg1s argafter /* Dat: no direct comma allowed in args :-( */
#endif
#endif
typedef char tbool_t;
typedef unsigned char tidataval_t; /* internal image data value type */
typedef unsigned int tsize_t; /* i/o size in bytes */
typedef int (*tiwriter_t) OF((char *block, unsigned len, void *zfile));
struct pts_lzw_state;
struct pts_lzw_state {
/*FILE*/void* tif_sout; /**** pts ****/ /* for encode */
tiwriter_t tif_writer;
int (*tif_feeder)(char *readbuf, unsigned readlen, struct pts_lzw_state *tif);
#if 0
tbool_t tif_revbits_p; /**** pts ****/
#endif
tbool_t tif_reading_p; /**** pts ****/
char PTS_const* tif_name; /* name of open file, used for debugging */
/* compression scheme hooks */
tidataval_t* tif_data; /* compression scheme private data */
/* input/output buffering */
tidataval_t* tif_rawend; /**** pts ****/
tidataval_t* tif_rawdata; /* raw data buffer */
tsize_t tif_rawdatasize;/* # of bytes in raw data buffer */
tidataval_t* tif_rawcp; /* current spot in raw buffer */
tsize_t tif_rawcc; /* bytes unread from raw buffer */
};
extern
#ifdef __cplusplus
"C"
#endif
int pts_lzw_init OF((struct pts_lzw_state*));
#endif
