Class TIFFLZWDecoder


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

      • TIFFLZWDecoder

        public TIFFLZWDecoder​(int w,
                              int predictor,
                              int samplesPerPixel)
    • Method Detail

      • 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()