Package com.itextpdf.text.pdf.codec

Class LZWCompressor

java.lang.Object

com.itextpdf.text.pdf.codec.LZWCompressor

public class LZWCompressor
extends java.lang.Object

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

Since:

5.0.2

Constructor Summary

Constructors

Constructor	Description
LZWCompressor(java.io.OutputStream out, int codeSize, boolean TIFF)

Method Summary

Modifier and Type	Method	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(java.io.OutputStream out,
                     int codeSize,
                     boolean TIFF)
              throws java.io.IOException

Parameters:

out - 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:

java.io.IOException - if underlying output stream error

Method Detail

compress

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

Parameters:

buf - data to be compressed to output stream

Throws:

java.io.IOException - if underlying output stream error

flush

public void flush()
           throws java.io.IOException

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

Throws:

java.io.IOException - if underlying output stream error