idCompressor_LZSS Class Reference

Inheritance diagram for idCompressor_LZSS:

Public Member Functions
	idCompressor_LZSS (void)
void	Init (idFile *f, bool compress, int wordLength)
void	FinishCompress (void)
int	Write (const void *inData, int inLength)
int	Read (void *outData, int outLength)
Public Member Functions inherited from idCompressor_BitStream
	idCompressor_BitStream (void)
float	GetCompressionRatio (void) const
Public Member Functions inherited from idCompressor_None
	idCompressor_None (void)
const char *	GetName (void)
const char *	GetFullPath (void)
int	Length (void)
ID_TIME_T	Timestamp (void)
int	Tell (void)
void	ForceFlush (void)
void	Flush (void)
int	Seek (long offset, fsOrigin_t origin)
Public Member Functions inherited from idFile
virtual	~idFile (void)
virtual void	Rewind (void)
virtual int	Printf (const char *fmt,...) id_attribute((format(printf
virtual int virtual int	VPrintf (const char *fmt, va_list arg)
virtual int	WriteFloatString (const char *fmt,...) id_attribute((format(printf
virtual int virtual int	ReadInt (int &value)
virtual int	ReadUnsignedInt (unsigned int &value)
virtual int	ReadShort (short &value)
virtual int	ReadUnsignedShort (unsigned short &value)
virtual int	ReadChar (char &value)
virtual int	ReadUnsignedChar (unsigned char &value)
virtual int	ReadFloat (float &value)
virtual int	ReadBool (bool &value)
virtual int	ReadString (idStr &string)
virtual int	ReadVec2 (idVec2 &vec)
virtual int	ReadVec3 (idVec3 &vec)
virtual int	ReadVec4 (idVec4 &vec)
virtual int	ReadVec6 (idVec6 &vec)
virtual int	ReadMat3 (idMat3 &mat)
virtual int	WriteInt (const int value)
virtual int	WriteUnsignedInt (const unsigned int value)
virtual int	WriteShort (const short value)
virtual int	WriteUnsignedShort (unsigned short value)
virtual int	WriteChar (const char value)
virtual int	WriteUnsignedChar (const unsigned char value)
virtual int	WriteFloat (const float value)
virtual int	WriteBool (const bool value)
virtual int	WriteString (const char *string)
virtual int	WriteVec2 (const idVec2 &vec)
virtual int	WriteVec3 (const idVec3 &vec)
virtual int	WriteVec4 (const idVec4 &vec)
virtual int	WriteVec6 (const idVec6 &vec)
virtual int	WriteMat3 (const idMat3 &mat)

Protected Member Functions
bool	FindMatch (int startWord, int startValue, int &wordOffset, int &numWords)
void	AddToHash (int index, int hash)
int	GetWordFromBlock (int wordOffset) const
virtual void	CompressBlock (void)
virtual void	DecompressBlock (void)
Protected Member Functions inherited from idCompressor_BitStream
void	InitCompress (const void *inData, const int inLength)
void	InitDecompress (void *outData, int outLength)
void	WriteBits (int value, int numBits)
int	ReadBits (int numBits)
void	UnreadBits (int numBits)
int	Compare (const byte *src1, int bitPtr1, const byte *src2, int bitPtr2, int maxBits) const

Protected Attributes
int	offsetBits
int	lengthBits
int	minMatchWords
byte	block [LZSS_BLOCK_SIZE]
int	blockSize
int	blockIndex
int	hashTable [LZSS_HASH_SIZE]
int	hashNext [LZSS_BLOCK_SIZE *8]
Protected Attributes inherited from idCompressor_BitStream
byte	buffer [65536]
int	wordLength
int	readTotalBytes
int	readLength
int	readByte
int	readBit
const byte *	readData
int	writeTotalBytes
int	writeLength
int	writeByte
int	writeBit
byte *	writeData
Protected Attributes inherited from idCompressor_None
idFile *	file
bool	compress

Additional Inherited Members
Static Public Member Functions inherited from idCompressor
static idCompressor *	AllocNoCompression (void)
static idCompressor *	AllocBitStream (void)
static idCompressor *	AllocRunLength (void)
static idCompressor *	AllocRunLength_ZeroBased (void)
static idCompressor *	AllocHuffman (void)
static idCompressor *	AllocArithmetic (void)
static idCompressor *	AllocLZSS (void)
static idCompressor *	AllocLZSS_WordAligned (void)
static idCompressor *	AllocLZW (void)

Detailed Description

Definition at line 1806 of file Compressor.cpp.

Constructor & Destructor Documentation

idCompressor_LZSS::idCompressor_LZSS ( void  )

inline

Definition at line 1808 of file Compressor.cpp.

Member Function Documentation

void idCompressor_LZSS::AddToHash ( int  index, int  hash  )

protected

Definition at line 1887 of file Compressor.cpp.

void idCompressor_LZSS::CompressBlock ( void  )

protectedvirtual

Reimplemented in idCompressor_LZSS_WordAligned.

Definition at line 1936 of file Compressor.cpp.

void idCompressor_LZSS::DecompressBlock ( void  )

protectedvirtual

Reimplemented in idCompressor_LZSS_WordAligned.

Definition at line 1973 of file Compressor.cpp.

bool idCompressor_LZSS::FindMatch ( int  startWord, int  startValue, int &  wordOffset, int &  numWords  )

protected

Definition at line 1857 of file Compressor.cpp.

void idCompressor_LZSS::FinishCompress ( void  )

virtual

Reimplemented from idCompressor_BitStream.

Definition at line 2030 of file Compressor.cpp.

int idCompressor_LZSS::GetWordFromBlock ( int  wordOffset ) const

protected

Definition at line 1897 of file Compressor.cpp.

void idCompressor_LZSS::Init ( idFile *  f, bool  compress, int  wordLength  )

virtual

Reimplemented from idCompressor_BitStream.

Reimplemented in idCompressor_LZSS_WordAligned.

Definition at line 1841 of file Compressor.cpp.

int idCompressor_LZSS::Read ( void *  outData, int  outLength  )

virtual

Reimplemented from idCompressor_BitStream.

Definition at line 2045 of file Compressor.cpp.

int idCompressor_LZSS::Write ( const void *  inData, int  inLength  )

virtual

Reimplemented from idCompressor_BitStream.

Definition at line 2001 of file Compressor.cpp.

Member Data Documentation

byte idCompressor_LZSS::block[LZSS_BLOCK_SIZE]

protected

Definition at line 1821 of file Compressor.cpp.

int idCompressor_LZSS::blockIndex

protected

Definition at line 1823 of file Compressor.cpp.

int idCompressor_LZSS::blockSize

protected

Definition at line 1822 of file Compressor.cpp.

int idCompressor_LZSS::hashNext[LZSS_BLOCK_SIZE *8]

protected

Definition at line 1826 of file Compressor.cpp.

int idCompressor_LZSS::hashTable[LZSS_HASH_SIZE]

protected

Definition at line 1825 of file Compressor.cpp.

int idCompressor_LZSS::lengthBits

protected

Definition at line 1818 of file Compressor.cpp.

int idCompressor_LZSS::minMatchWords

protected

Definition at line 1819 of file Compressor.cpp.

int idCompressor_LZSS::offsetBits

protected

Definition at line 1817 of file Compressor.cpp.

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The documentation for this class was generated from the following file:

• neo/framework/Compressor.cpp