Package com.lowagie.text.pdf
Class LZWDecoder
java.lang.Object
com.lowagie.text.pdf.LZWDecoder
A class for performing LZW decoding.
-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidaddStringToTable(byte[] string) Add a new string to the string table.voidaddStringToTable(byte[] oldString, byte newString) Add a new string to the string table.byte[]composeString(byte[] oldString, byte newString) AppendnewStringto the end ofoldString.voiddecode(byte[] data, OutputStream uncompData) Method to decode LZW compressed data.intvoidInitialize the string table.voidwriteString(byte[] string) Write out the string just uncompressed.
-
Constructor Details
-
LZWDecoder
public LZWDecoder()
-
-
Method Details
-
decode
Method to decode LZW compressed data.- Parameters:
data- The compressed data.uncompData- Array to return the uncompressed data in.
-
initializeStringTable
public void initializeStringTable()Initialize the string table. -
writeString
public void writeString(byte[] string) Write out the string just uncompressed. -
addStringToTable
public void addStringToTable(byte[] oldString, byte newString) Add a new string to the string table. -
addStringToTable
public void addStringToTable(byte[] string) Add a new string to the string table. -
composeString
public byte[] composeString(byte[] oldString, byte newString) AppendnewStringto the end ofoldString. -
getNextCode
public int getNextCode()
-