WXP::Zlib Class Reference

This class manages zlib decompression. More...

#include "../include/Zlib.h"

Public Types
enum	{ COMP, DECOMP }
Public Member Functions
	Zlib ()
	Zlib (int rtype)
int	init ()
int	set (unsigned char next_in, int avail_in, unsigned char next_out, int avail_out)
int	decomp ()
int	decomp (Buffer &in, Buffer &out)
int	comp (int flag)
int	finish ()
int	print ()
int	getStatus ()
int	getAvailIn ()
int	getAvailOut ()
int	getTotalOut ()
bool	isError ()
Static Public Attributes
static int const	STREAM_END = Z_STREAM_END
static int const	NEED_DICT = Z_NEED_DICT
static int const	OK = Z_OK
static int const	FINISH = Z_FINISH

Detailed Description

This class manages zlib decompression.

Author:: Dan Vietor

Member Enumeration Documentation

anonymous enum

Enumerator:

COMP	Compress data
DECOMP	Decompress data

Constructor & Destructor Documentation

Zlib::Zlib ( )

Constructor - initializes date, sets up for decompression

References DECOMP, init(), and OK.

Zlib::Zlib ( int rtype )

Constructor - initializes data

Parameters:

rtype

Processing type (COMP or DECOMP )

References init(), and OK.

Member Function Documentation

int Zlib::comp ( int flag )

Compresses the data

Parameters:

flag

The compression output flag

References DECOMP.

Referenced by WXP::ImgWxpFile::write().

int Zlib::decomp	(	Buffer &	in,
		Buffer &	out
	)

Decompress the data

Parameters:

	in	The input buffer
	out	The output buffer

References COMP.

int Zlib::decomp ( )

Decompress the data from parameter entered in set()

References COMP.

Referenced by WXP::NidsFile::readBytes(), WXP::ImgWxpFile::readData(), WXP::GiniFile::readData(), and WXP::GiniFile::readHeader().

int Zlib::finish ( )

End compression of data

References DECOMP.

Referenced by WXP::ImgWxpFile::write().

int WXP::Zlib::getAvailIn ( ) [inline]

Returns available bytes not processed

Referenced by WXP::ImgWxpFile::readData().

int WXP::Zlib::getAvailOut ( ) [inline]

Returns available bytes out

Referenced by WXP::ImgWxpFile::readData().

int WXP::Zlib::getStatus ( ) [inline]

Returns status

Referenced by WXP::NidsFile::readBytes(), and WXP::GiniFile::readData().

int WXP::Zlib::getTotalOut ( ) [inline]

Returns total bytes output

Referenced by WXP::NidsFile::readBytes(), and WXP::ImgWxpFile::write().

int Zlib::init ( )

Initializes data

References DECOMP.

Referenced by WXP::NidsFile::readBytes(), WXP::GiniFile::readData(), WXP::GiniFile::readHeader(), WXP::ImgWxpFile::write(), and Zlib().

bool WXP::Zlib::isError ( ) [inline]

Returns if there was an error

Referenced by WXP::NidsFile::readBytes(), WXP::ImgWxpFile::readData(), and WXP::GiniFile::readData().

int Zlib::print ( )

Prints Zlib parameters

References DECOMP.

Referenced by WXP::NidsFile::readBytes(), WXP::ImgWxpFile::readData(), WXP::GiniFile::readData(), and WXP::GiniFile::readHeader().

int Zlib::set	(	unsigned char *	next_in,
		int	avail_in,
		unsigned char *	next_out,
		int	avail_out
	)

Sets the data parameters

Parameters:

	next_in	Pointer to next input data
	avail_in	Amount of bytes available to process
	next_out	Pointer to output buffer
	avail_out	Available space in output buffer