com.itextpdf.text.pdf.codec
Class TIFFFaxDecompressor

java.lang.Object
  com.itextpdf.text.pdf.codec.TIFFFaxDecompressor

public class TIFFFaxDecompressor
extends Object

Class that can decompress TIFF files.

Since:

5.0.3

Field Summary

protected int	compression
int	fails
protected int	fillBits EOL padding flag: 1 if fill bits have been added before an EOL such that the EOL ends on a byte boundary, 0 otherwise.
protected int	fillOrder The logical order of bits within a byte.
protected int	oneD Coding dimensionality: 1 for 2-dimensional, 0 for 1-dimensional.
protected int	uncompressedMode Uncompressed mode flag: 1 if uncompressed, 0 if not.

Constructor Summary

TIFFFaxDecompressor()

Method Summary

void	decodeNextScanline()
void	decodeRaw(byte[] buffer, byte[] compData, int w, int h)
void	decodeRLE()
void	decodeT4()
void	decodeT6()
void	SetOptions(int fillOrder, int compression, int t4Options, int t6Options) Invokes the superclass method and then sets instance variables on the basis of the metadata set on this decompressor.

Methods inherited from class java.lang.Object

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

Field Detail

fillOrder

protected int fillOrder

The logical order of bits within a byte.

 1 = MSB-to-LSB
 2 = LSB-to-MSB (flipped)
 

compression

protected int compression

fails

public int fails

uncompressedMode

protected int uncompressedMode

Uncompressed mode flag: 1 if uncompressed, 0 if not.

fillBits

protected int fillBits

EOL padding flag: 1 if fill bits have been added before an EOL such that the EOL ends on a byte boundary, 0 otherwise.

oneD

protected int oneD

Coding dimensionality: 1 for 2-dimensional, 0 for 1-dimensional.

Constructor Detail

TIFFFaxDecompressor

public TIFFFaxDecompressor()

Method Detail

SetOptions

public void SetOptions(int fillOrder,
                       int compression,
                       int t4Options,
                       int t6Options)

Invokes the superclass method and then sets instance variables on the basis of the metadata set on this decompressor.

decodeRaw

public void decodeRaw(byte[] buffer,
                      byte[] compData,
                      int w,
                      int h)

decodeRLE

public void decodeRLE()

decodeNextScanline

public void decodeNextScanline()

decodeT4

public void decodeT4()

decodeT6

public void decodeT6()