Class TIFFLZWDecoder
- java.lang.Object
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- com.gitlab.pdftk_java.com.lowagie.text.pdf.TIFFLZWDecoder
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public class TIFFLZWDecoder extends java.lang.Object
A class for performing LZW decoding.- Version:
- $Id: TIFFLZWDecoder.java 498740 2007-01-22 18:35:57Z dvholten $
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Field Summary
Fields Modifier and Type Field Description (package private) int[]
andTable
(package private) int
bitPointer
(package private) int
bitsToGet
(package private) int
bytePointer
(package private) byte[]
data
(package private) int
dstIndex
(package private) int
nextBits
(package private) int
nextData
(package private) byte[][]
stringTable
(package private) int
tableIndex
(package private) java.io.OutputStream
uncompData
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Constructor Summary
Constructors Constructor Description TIFFLZWDecoder()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addStringToTable(byte[] string)
Add a new string to the string table.void
addStringToTable(byte[] oldString, byte newString)
Add a new string to the string table.byte[]
composeString(byte[] oldString, byte newString)
AppendnewString
to the end ofoldString
.java.io.OutputStream
decode(byte[] data, java.io.OutputStream uncompData)
Method to decode LZW compressed data.int
getNextCode()
void
initializeStringTable()
Initialize the string table.void
writeString(byte[] string)
Write out the string just uncompressed.
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Method Detail
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decode
public java.io.OutputStream decode(byte[] data, java.io.OutputStream uncompData)
Method to decode LZW compressed data.- Parameters:
data
- The compressed data.uncompData
- Array to return the uncompressed data in.h
- The number of rows the compressed data contains.
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initializeStringTable
public void initializeStringTable()
Initialize the string table.
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writeString
public void writeString(byte[] string)
Write out the string just uncompressed.
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addStringToTable
public void addStringToTable(byte[] oldString, byte newString)
Add a new string to the string table.
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addStringToTable
public void addStringToTable(byte[] string)
Add a new string to the string table.
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composeString
public byte[] composeString(byte[] oldString, byte newString)
AppendnewString
to the end ofoldString
.
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getNextCode
public int getNextCode()
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