Package 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	Description
LZWCompressor(OutputStream outputStream, 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 Details

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 Details

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