uk.co.mmscomputing.imageio.tiff
Class TIFFSubSamplingInputStream

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          uk.co.mmscomputing.io.IntFilterInputStream
              uk.co.mmscomputing.imageio.tiff.TIFFSubSamplingInputStream

All Implemented Interfaces:

java.io.Closeable

public class TIFFSubSamplingInputStream
extends IntFilterInputStream

Field Summary

protected int	positioning
protected int	width
protected int	xf
protected int	yf

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

TIFFSubSamplingInputStream(java.io.InputStream in, int width)

TIFFSubSamplingInputStream(java.io.InputStream in, int width, int yf, int xf, int positioning)

Method Summary

int	read()
int	read(int[] buf, int off, int len)
protected void	readDataUnit(int[] buf, int off, int maxy, int maxx)
void	setPositioning(int positioning)
void	setSubSampling(int yf, int xf)

Methods inherited from class uk.co.mmscomputing.io.IntFilterInputStream

read, setIn

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

width

protected int width

yf

protected int yf

xf

protected int xf

positioning

protected int positioning

Constructor Detail

TIFFSubSamplingInputStream

public TIFFSubSamplingInputStream(java.io.InputStream in,
                                  int width)
                           throws java.io.IOException

Throws:

java.io.IOException

TIFFSubSamplingInputStream

public TIFFSubSamplingInputStream(java.io.InputStream in,
                                  int width,
                                  int yf,
                                  int xf,
                                  int positioning)
                           throws java.io.IOException

Throws:

java.io.IOException

Method Detail

setSubSampling

public void setSubSampling(int yf,
                           int xf)

setPositioning

public void setPositioning(int positioning)

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

readDataUnit

protected void readDataUnit(int[] buf,
                            int off,
                            int maxy,
                            int maxx)
                     throws java.io.IOException

Throws:

java.io.IOException

read

public int read(int[] buf,
                int off,
                int len)
         throws java.io.IOException

Specified by:

read in class IntFilterInputStream

Throws:

java.io.IOException