com.itextpdf.io.codec

Class LZWCompressor

java.lang.Object

com.itextpdf.io.codec.LZWCompressor

public class LZWCompressor
extends Object

Modified from original LZWCompressor to change interface to passing a buffer of data to be compressed.

Constructor Summary

Constructors

Constructor and Description
LZWCompressor(OutputStream outputStream, int codeSize, boolean TIFF)

Method Summary

Modifier and Type	Method and Description
void	compress(byte[] buf, int offset, int length)
void	flush() Indicate to compressor that no more data to go so write out any remaining buffered data.

Methods inherited from class java.lang.Object

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

Constructor Detail

LZWCompressor

public LZWCompressor(OutputStream outputStream,
                     int codeSize,
                     boolean TIFF)
              throws IOException

Parameters:

outputStream - destination for compressed data

codeSize - the initial code size for the LZW compressor

TIFF - flag indicating that TIFF lzw fudge needs to be applied

Throws:

IOException - if underlying output stream error

Method Detail

compress

public void compress(byte[] buf,
                     int offset,
                     int length)
              throws IOException

Parameters:

buf - The data to be compressed to output stream

offset - The offset at which the data starts

length - The length of the data being compressed

Throws:

IOException - if underlying output stream error

flush

public void flush()
           throws IOException

Indicate to compressor that no more data to go so write out any remaining buffered data.

Throws:

IOException - if underlying output stream error