Package gov.nih.mipav.model.file

Class TIFFLZWDecoder

java.lang.Object
gov.nih.mipav.model.file.TIFFLZWDecoder
public class TIFFLZWDecoder extends Object
A class for performing LZW decoding.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    (package private) int[]
    andTable
    DOCUMENT ME!
    (package private) int
    bitPointer
    DOCUMENT ME!
    (package private) int
    bitsToGet
    DOCUMENT ME!
    (package private) int
    bytePointer
    DOCUMENT ME!
    (package private) byte[]
    data
    DOCUMENT ME!
    (package private) int
    dstIndex
    DOCUMENT ME!
    (package private) int
    h
    DOCUMENT ME!
    (package private) int
    nextBits
    DOCUMENT ME!
    (package private) int
    nextData
    DOCUMENT ME!
    (package private) int
    predictor
    DOCUMENT ME!
    (package private) int
    samplesPerPixel
    DOCUMENT ME!
    (package private) byte[][]
    stringTable
    DOCUMENT ME!
    (package private) int
    tableIndex
    DOCUMENT ME!
    (package private) byte[]
    uncompData
    DOCUMENT ME!
    (package private) int
    w
    DOCUMENT ME!

  • Constructor Summary

    Constructors
    Constructor
    Description
    TIFFLZWDecoder(int w, int predictor, int samplesPerPixel)
    Creates a new TIFFLZWDecoder object.

  • Method Summary

    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)
    Append newString to the end of oldString.
    byte[]
    decode(byte[] data, byte[] uncompData, int h)
    Method to decode LZW compressed data.
    int
    getNextCode()
    Returns the next 9, 10, 11 or 12 bits.
    void
    initializeStringTable()
    Initialize the string table.
    void
    writeString(byte[] string)
    Write out the string just uncompressed.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • andTable

      int[] andTable
      DOCUMENT ME!

    • bytePointer

      int bytePointer
      DOCUMENT ME!

    • bitPointer

      int bitPointer
      DOCUMENT ME!

    • data

      byte[] data
      DOCUMENT ME!

    • uncompData

      byte[] uncompData
      DOCUMENT ME!

    • dstIndex

      int dstIndex
      DOCUMENT ME!

    • nextBits

      int nextBits
      DOCUMENT ME!

    • nextData

      int nextData
      DOCUMENT ME!

    • predictor

      int predictor
      DOCUMENT ME!

    • samplesPerPixel

      int samplesPerPixel
      DOCUMENT ME!

    • stringTable

      byte[][] stringTable
      DOCUMENT ME!

    • tableIndex

      int tableIndex
      DOCUMENT ME!

    • bitsToGet

      int bitsToGet
      DOCUMENT ME!

    • w

      int w
      DOCUMENT ME!

    • h

      int h
      DOCUMENT ME!

  • Constructor Details

    • TIFFLZWDecoder

      public TIFFLZWDecoder(int w, int predictor, int samplesPerPixel)
      Creates a new TIFFLZWDecoder object.
      Parameters:
      w - DOCUMENT ME!
      predictor - DOCUMENT ME!
      samplesPerPixel - DOCUMENT ME!

  • Method Details

    • addStringToTable

      public void addStringToTable(byte[] string)
      Add a new string to the string table.
      Parameters:
      string - DOCUMENT ME!

    • addStringToTable

      public void addStringToTable(byte[] oldString, byte newString)
      Add a new string to the string table.
      Parameters:
      oldString - DOCUMENT ME!
      newString - DOCUMENT ME!

    • composeString

      public byte[] composeString(byte[] oldString, byte newString)
      Append newString to the end of oldString.
      Parameters:
      oldString - DOCUMENT ME!
      newString - DOCUMENT ME!
      Returns:
      DOCUMENT ME!

    • 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.
      Returns:
      DOCUMENT ME!
      Throws:
      UnsupportedOperationException - DOCUMENT ME!

    • getNextCode

      public int getNextCode()
      Returns the next 9, 10, 11 or 12 bits.
      Returns:
      DOCUMENT ME!

    • initializeStringTable

      public void initializeStringTable()
      Initialize the string table.

    • writeString

      public void writeString(byte[] string)
      Write out the string just uncompressed.
      Parameters:
      string - DOCUMENT ME!