Package org.jpedal.io.filter

Class LZW

java.lang.Object

com.idrsolutions.image.filter.Filter

org.jpedal.io.filter.LZW

public class LZW
extends Filter

LZW

Constructor Summary

Constructors

Constructor	Description
LZW(FilterOptions options, int width, int height)

Method Summary

Modifier and Type	Method	Description
byte[]	decode(byte[] data)
void	decode(BufferedInputStream bis, BufferedOutputStream streamCache, String cacheName, Map<String,String> cachedObjects)
byte[]	decompress(byte[] input, boolean earlyChange)
void	decompress(byte[] output, byte[] input, boolean earlyChange)
void	decompress(BufferedOutputStream output, BufferedInputStream input, boolean earlyChange)
byte[]	encode(byte[] buffer)
void	encode(BufferedInputStream bis, BufferedOutputStream bos)

Methods inherited from class com.idrsolutions.image.filter.Filter

hasError, setEncHash, setupCachedObjectForDecoding

Methods inherited from class java.lang.Object

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

Constructor Details

LZW

public LZW(FilterOptions options,
 int width,
 int height)

Method Details

decode

public byte[] decode(byte[] data)
              throws Exception

Specified by:

decode in class Filter

Throws:

Exception

decode

public void decode(BufferedInputStream bis,
 BufferedOutputStream streamCache,
 String cacheName,
 Map<String,String> cachedObjects)
            throws Exception

Specified by:

decode in class Filter

Throws:

Exception

encode

public void encode(BufferedInputStream bis,
 BufferedOutputStream bos)
            throws Exception

Specified by:

encode in class Filter

Throws:

Exception

encode

public byte[] encode(byte[] buffer)

Specified by:

encode in class Filter

decompress

public byte[] decompress(byte[] input,
 boolean earlyChange)
                  throws IOException

Throws:

IOException

decompress

public void decompress(byte[] output,
 byte[] input,
 boolean earlyChange)

decompress

public void decompress(BufferedOutputStream output,
 BufferedInputStream input,
 boolean earlyChange)
                throws IOException

Throws:

IOException