mil.nga.tiff.compression

Class LZWCompression

java.lang.Object

mil.nga.tiff.compression.LZWCompression

All Implemented Interfaces:

CompressionDecoder, CompressionEncoder

public class LZWCompression
extends Object
implements CompressionDecoder, CompressionEncoder

LZW Compression

Author:

osbornb

Constructor Summary

Constructors

Constructor and Description
LZWCompression()

Method Summary

Modifier and Type	Method and Description
byte[]	decode(byte[] bytes, ByteOrder byteOrder) Decode the bytes
byte[]	encode(byte[] bytes, ByteOrder byteOrder) Encode the bytes
boolean	rowEncoding() True to encode on a per row basis, false to encode on a per block / strip basis

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LZWCompression

public LZWCompression()

Method Detail

decode

public byte[] decode(byte[] bytes,
                     ByteOrder byteOrder)

Decode the bytes

Specified by:

decode in interface CompressionDecoder

Parameters:

bytes - bytes to decode

byteOrder - byte order

Returns:

decoded bytes

rowEncoding

public boolean rowEncoding()

True to encode on a per row basis, false to encode on a per block / strip basis

Specified by:

rowEncoding in interface CompressionEncoder

Returns:

true for row encoding

encode

public byte[] encode(byte[] bytes,
                     ByteOrder byteOrder)

Encode the bytes

Specified by:

encode in interface CompressionEncoder

Parameters:

bytes - bytes to encode

byteOrder - byte order

Returns:

encoded block of bytes