Class TIFFLZWDecoder

java.lang.Object
com.gitlab.pdftk_java.com.lowagie.text.pdf.TIFFLZWDecoder

public class TIFFLZWDecoder extends Object
A class for performing LZW decoding.
Version:
$Id: TIFFLZWDecoder.java 498740 2007-01-22 18:35:57Z dvholten $
  • Field Details

    • stringTable

      byte[][] stringTable
    • data

      byte[] data
    • uncompData

      OutputStream uncompData
    • tableIndex

      int tableIndex
    • bitsToGet

      int bitsToGet
    • bytePointer

      int bytePointer
    • bitPointer

      int bitPointer
    • dstIndex

      int dstIndex
    • nextData

      int nextData
    • nextBits

      int nextBits
    • andTable

      int[] andTable
  • Constructor Details

    • TIFFLZWDecoder

      public TIFFLZWDecoder()
  • Method Details

    • decode

      public OutputStream decode(byte[] data, 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.
    • 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)
      Append newString to the end of oldString.
    • getNextCode

      public int getNextCode()