com.itextpdf.kernel.pdf.filters

Class LZWDecodeFilter

java.lang.Object

com.itextpdf.kernel.pdf.filters.LZWDecodeFilter

All Implemented Interfaces:

IFilterHandler

public class LZWDecodeFilter
extends Object
implements IFilterHandler

Handles LZWDECODE filter

Constructor Summary

Constructors

Constructor and Description
LZWDecodeFilter()

Method Summary

Modifier and Type	Method and Description
byte[]	decode(byte[] b, PdfName filterName, PdfObject decodeParams, PdfDictionary streamDictionary) Decode the byte[] using the provided filterName.
static byte[]	LZWDecode(byte[] in) Decodes a byte[] according to the LZW encoding.

Methods inherited from class java.lang.Object

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

Constructor Detail

LZWDecodeFilter

public LZWDecodeFilter()

Method Detail

decode

public byte[] decode(byte[] b,
                     PdfName filterName,
                     PdfObject decodeParams,
                     PdfDictionary streamDictionary)

Description copied from interface: IFilterHandler

Decode the byte[] using the provided filterName.

Specified by:

decode in interface IFilterHandler

Parameters:

b - the bytes that need to be decoded

filterName - PdfName of the filter

decodeParams - decode parameters

streamDictionary - the dictionary of the stream. Can contain additional information needed to decode the byte[].

Returns:

decoded byte array

LZWDecode

public static byte[] LZWDecode(byte[] in)

Decodes a byte[] according to the LZW encoding.

Parameters:

in - byte[] to be decoded

Returns:

decoded byte[]