Class TIFFFaxDecoder

java.lang.Object
com.itextpdf.text.pdf.codec.TIFFFaxDecoder
public class TIFFFaxDecoder extends Object
Class that can decode TIFF files.

  • Field Details

    • bitPointer

      private int bitPointer

    • bytePointer

      private int bytePointer

    • data

      private byte[] data

    • w

      private int w

    • h

      private int h

    • fillOrder

      private long fillOrder

    • changingElemSize

      private int changingElemSize

    • prevChangingElems

      private int[] prevChangingElems

    • currChangingElems

      private int[] currChangingElems

    • lastChangingElement

      private int lastChangingElement

    • compression

      private int compression

    • uncompressedMode

      private int uncompressedMode

    • fillBits

      private int fillBits

    • oneD

      private int oneD

    • recoverFromImageError

      private boolean recoverFromImageError

    • table1

      static int[] table1

    • table2

      static int[] table2

    • flipTable

      static byte[] flipTable

    • white

      static short[] white

    • additionalMakeup

      static short[] additionalMakeup

    • initBlack

      static short[] initBlack

    • twoBitBlack

      static short[] twoBitBlack

    • black

      static short[] black

    • twoDCodes

      static byte[] twoDCodes

  • Constructor Details

    • TIFFFaxDecoder

      public TIFFFaxDecoder(long fillOrder, int w, int h)
      Parameters:
      fillOrder - The fill order of the compressed data bytes.
      w -
      h -

  • Method Details

    • reverseBits

      public static void reverseBits(byte[] b)
      Reverses the bits in the array
      Parameters:
      b - the bits to reverse
      Since:
      2.0.7

    • decode1D

      public void decode1D(byte[] buffer, byte[] compData, int startX, int height)

    • decodeNextScanline

      public void decodeNextScanline(byte[] buffer, int lineOffset, int bitOffset)

    • decode2D

      public void decode2D(byte[] buffer, byte[] compData, int startX, int height, long tiffT4Options)

    • decodeT6

      public void decodeT6(byte[] buffer, byte[] compData, int startX, int height, long tiffT6Options)

    • setToBlack

      private void setToBlack(byte[] buffer, int lineOffset, int bitOffset, int numBits)

    • decodeWhiteCodeWord

      private int decodeWhiteCodeWord()

    • decodeBlackCodeWord

      private int decodeBlackCodeWord()

    • readEOL

      private int readEOL(boolean isFirstEOL)

    • getNextChangingElement

      private void getNextChangingElement(int a0, boolean isWhite, int[] ret)

    • nextNBits

      private int nextNBits(int bitsToGet)

    • nextLesserThan8Bits

      private int nextLesserThan8Bits(int bitsToGet)

    • updatePointer

      private void updatePointer(int bitsToMoveBack)

    • advancePointer

      private boolean advancePointer()

    • setRecoverFromImageError

      public void setRecoverFromImageError(boolean recoverFromImageError)