uk.ac.essex.ia.imageview.pane
Class ImageViewerOpImage

java.lang.Object
  java.util.Observable
      uk.ac.essex.ia.imageview.pane.ImageViewerOpImage

All Implemented Interfaces:

java.awt.image.RenderedImage, java.beans.PropertyChangeListener, java.util.EventListener, Focusable, ImageViewerConstants

Direct Known Subclasses:

IVDicomOpImage

public class ImageViewerOpImage
extends java.util.Observable
implements java.awt.image.RenderedImage, java.beans.PropertyChangeListener, ImageViewerConstants, Focusable

A wrapper class to generate the result image of the processing chain for window/leveling, rotation and scaling.

Field Summary

protected javax.swing.event.SwingPropertyChangeSupport	changeSupport The property change event manager.
protected boolean	isFocused Indicates this image is displayed in a focused image display pane.
protected int	level The level value.
protected byte[][]	lut The look-up-table for window/leveling.
protected int	rotationAngle The rotation angle.
protected java.awt.image.RenderedImage	rotationResult The result image after rotation.
protected java.awt.image.RenderedImage	source The source image.
protected static int	tileSize Cache the default tile size defined in the property file.
protected int	window The window value.
protected java.awt.image.RenderedImage	windowLevelResult The result image after window/leveling.
protected double	zoomFactor The zoom factor.
protected java.awt.image.RenderedImage	zoomResult The result image after zoom.

Fields inherited from interface uk.ac.essex.ia.imageview.ImageViewerConstants

allViewsCommand, annotationCommand, currentViewCommand, defaultLevel, defaultWindow, histogramCommand, largestLevel, largestWindow, levelCommand, measurementCommand, nozoom, paramSync, RESOURCE_BASE_NAME, rotationCommand, setLayoutCommand, smallestLevel, smallestWindow, speedCommand, startCommand, statisticsCommand, stopCommand, windowCommand, zoomCommand

Constructor Summary

ImageViewerOpImage(java.awt.image.RenderedImage source, int window, int level, int angle, double zoom)
Constructor.

Method Summary

void	addPropertyChangeListener(java.lang.String propertyName, java.beans.PropertyChangeListener listener) Add a property change listener.
java.awt.image.WritableRaster	copyData(java.awt.image.WritableRaster raster)
void	displayStatistics(java.awt.Shape shape, boolean b) Display the statistics or histogram.
protected void	firePropertyChange(java.lang.String propertyName, java.lang.Object oldValue, java.lang.Object newValue) Fire property change event.
java.awt.image.ColorModel	getColorModel()
java.awt.image.Raster	getData()
java.awt.image.Raster	getData(java.awt.Rectangle rect)
int	getHeight()
int	getLevel() Return the level value.
int	getMinTileX()
int	getMinTileY()
int	getMinX()
int	getMinY()
int	getNumXTiles()
int	getNumYTiles()
java.lang.Object	getProperty(java.lang.String name) The following override a group of methods from the super classes.
java.lang.String[]	getPropertyNames()
int	getRotationAngle() Return the rotation angle in degree.
java.awt.image.SampleModel	getSampleModel()
java.util.Vector	getSources() Override the getSource methods.
java.awt.image.Raster	getTile(int tileX, int tileY)
int	getTileGridXOffset()
int	getTileGridYOffset()
int	getTileHeight()
int	getTileWidth()
int	getWidth()
int	getWindow() Return the window value.
double	getZoomFactor() Return the zoom factor.
boolean	isFocused() Return the focus status.
void	propertyChange(java.beans.PropertyChangeEvent evt) Process the property change events: accepts the new parameters.
void	removePropertyChangeListener(java.lang.String propertyName, java.beans.PropertyChangeListener listener) Remove a property change listener.
protected java.awt.image.RenderedImage	rotationOperator(java.awt.image.RenderedImage source, int angle) Create the rotation result image.
protected void	setChangedAndNotify() This protected method fire the change event to the observers.
void	setFocused(boolean b) When focused, synchronize the interface to use the parameters of this image.
void	setLevel(int level) Set the new level value.
void	setRotation(int angle) Set the rotation angle.
void	setWindow(int window) Set the new window value.
void	setZoom(double zoom) Return the zoom factor.
protected java.awt.Shape	transformOnROI(java.awt.Shape shape) Transform the shape object to the original image coordinate system.
protected java.awt.image.RenderedImage	windowLevelOperator(java.awt.image.RenderedImage source, double low, double high) Create the window/level result image.
protected java.awt.image.RenderedImage	zoomOperator(java.awt.image.RenderedImage source, double zoomFactor) Create the zoom result image.

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Field Detail

tileSize

protected static int tileSize

Cache the default tile size defined in the property file.

source

protected java.awt.image.RenderedImage source

The source image.

window

protected int window

The window value.

level

protected int level

The level value.

zoomFactor

protected double zoomFactor

The zoom factor.

rotationAngle

protected int rotationAngle

The rotation angle.

windowLevelResult

protected java.awt.image.RenderedImage windowLevelResult

The result image after window/leveling. The current process is a chain defined as window/level, rotation, zoom.

rotationResult

protected java.awt.image.RenderedImage rotationResult

The result image after rotation.

zoomResult

protected java.awt.image.RenderedImage zoomResult

The result image after zoom.

lut

protected byte[][] lut

The look-up-table for window/leveling. It is also used in the display of histogram/statistics.

isFocused

protected boolean isFocused

Indicates this image is displayed in a focused image display pane.

changeSupport

protected javax.swing.event.SwingPropertyChangeSupport changeSupport

The property change event manager.

Constructor Detail

ImageViewerOpImage

public ImageViewerOpImage(java.awt.image.RenderedImage source,
                          int window,
                          int level,
                          int angle,
                          double zoom)

Constructor.

Parameters:

source - The source image for the win/lvl, rotation, zoom process.

window - The window value.

level - The level value.

angle - The angle in degree.

zoom - The zoom factor.

Method Detail

getZoomFactor

public double getZoomFactor()

Return the zoom factor.

getRotationAngle

public int getRotationAngle()

Return the rotation angle in degree.

getWindow

public int getWindow()

Return the window value.

getLevel

public int getLevel()

Return the level value.

setZoom

public void setZoom(double zoom)

Return the zoom factor.

setRotation

public void setRotation(int angle)

Set the rotation angle.

Parameters:

angle - The rotation angle in degree.

setWindow

public void setWindow(int window)

Set the new window value.

Parameters:

window - The new window value.

setLevel

public void setLevel(int level)

Set the new level value.

Parameters:

level - The new level value.

propertyChange

public void propertyChange(java.beans.PropertyChangeEvent evt)

Process the property change events: accepts the new parameters.

Specified by:

propertyChange in interface java.beans.PropertyChangeListener

setFocused

public void setFocused(boolean b)

When focused, synchronize the interface to use the parameters of this image.

Specified by:

setFocused in interface Focusable

isFocused

public boolean isFocused()

Return the focus status.

Specified by:

isFocused in interface Focusable

firePropertyChange

protected void firePropertyChange(java.lang.String propertyName,
                                  java.lang.Object oldValue,
                                  java.lang.Object newValue)

Fire property change event.

addPropertyChangeListener

public void addPropertyChangeListener(java.lang.String propertyName,
                                      java.beans.PropertyChangeListener listener)

Add a property change listener.

removePropertyChangeListener

public void removePropertyChangeListener(java.lang.String propertyName,
                                         java.beans.PropertyChangeListener listener)

Remove a property change listener.

displayStatistics

public void displayStatistics(java.awt.Shape shape,
                              boolean b)

Display the statistics or histogram.

transformOnROI

protected java.awt.Shape transformOnROI(java.awt.Shape shape)

Transform the shape object to the original image coordinate system.

getSources

public java.util.Vector getSources()

Override the getSource methods.

Specified by:

getSources in interface java.awt.image.RenderedImage

getProperty

public java.lang.Object getProperty(java.lang.String name)

The following override a group of methods from the super classes.

Specified by:

getProperty in interface java.awt.image.RenderedImage

getPropertyNames

public java.lang.String[] getPropertyNames()

Specified by:

getPropertyNames in interface java.awt.image.RenderedImage

getColorModel

public java.awt.image.ColorModel getColorModel()

Specified by:

getColorModel in interface java.awt.image.RenderedImage

getSampleModel

public java.awt.image.SampleModel getSampleModel()

Specified by:

getSampleModel in interface java.awt.image.RenderedImage

getWidth

public int getWidth()

Specified by:

getWidth in interface java.awt.image.RenderedImage

getHeight

public int getHeight()

Specified by:

getHeight in interface java.awt.image.RenderedImage

getMinX

public int getMinX()

Specified by:

getMinX in interface java.awt.image.RenderedImage

getMinY

public int getMinY()

Specified by:

getMinY in interface java.awt.image.RenderedImage

getNumXTiles

public int getNumXTiles()

Specified by:

getNumXTiles in interface java.awt.image.RenderedImage

getNumYTiles

public int getNumYTiles()

Specified by:

getNumYTiles in interface java.awt.image.RenderedImage

getMinTileX

public int getMinTileX()

Specified by:

getMinTileX in interface java.awt.image.RenderedImage

getMinTileY

public int getMinTileY()

Specified by:

getMinTileY in interface java.awt.image.RenderedImage

getTileWidth

public int getTileWidth()

Specified by:

getTileWidth in interface java.awt.image.RenderedImage

getTileHeight

public int getTileHeight()

Specified by:

getTileHeight in interface java.awt.image.RenderedImage

getTileGridXOffset

public int getTileGridXOffset()

Specified by:

getTileGridXOffset in interface java.awt.image.RenderedImage

getTileGridYOffset

public int getTileGridYOffset()

Specified by:

getTileGridYOffset in interface java.awt.image.RenderedImage

getTile

public java.awt.image.Raster getTile(int tileX,
                                     int tileY)

Specified by:

getTile in interface java.awt.image.RenderedImage

getData

public java.awt.image.Raster getData()

Specified by:

getData in interface java.awt.image.RenderedImage

getData

public java.awt.image.Raster getData(java.awt.Rectangle rect)

Specified by:

getData in interface java.awt.image.RenderedImage

copyData

public java.awt.image.WritableRaster copyData(java.awt.image.WritableRaster raster)

Specified by:

copyData in interface java.awt.image.RenderedImage

setChangedAndNotify

protected void setChangedAndNotify()

This protected method fire the change event to the observers.

windowLevelOperator

protected final java.awt.image.RenderedImage windowLevelOperator(java.awt.image.RenderedImage source,
                                                                 double low,
                                                                 double high)

Create the window/level result image.

rotationOperator

protected java.awt.image.RenderedImage rotationOperator(java.awt.image.RenderedImage source,
                                                        int angle)

Create the rotation result image.

zoomOperator

protected java.awt.image.RenderedImage zoomOperator(java.awt.image.RenderedImage source,
                                                    double zoomFactor)

Create the zoom result image.