Class TIFFLZWDecoder

java.lang.Object
org.apache.xmlgraphics.image.codec.tiff.TIFFLZWDecoder

public class TIFFLZWDecoder extends Object
A class for performing LZW decoding.
  • Constructor Details

    • TIFFLZWDecoder

      public TIFFLZWDecoder(int w, int predictor, int samplesPerPixel)
  • Method Details

    • decode

      public byte[] decode(byte[] data, byte[] uncompData, int h)
      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()