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sun.awt.image

public abstract Class ImageWatched

Class Inheritance

extends Object

java.lang.Object
sun.awt.image.ImageWatched

Known Direct Subclasses

sun.awt.image.ImageRepresentation

Imports

java.lang.ref.WeakReference, java.awt.Image, java.awt.image.ImageObserver

Nested and Inner Type Summary

Modifier and Type	Class and Description
public static class	ImageWatched.Link
public static class	ImageWatched.WeakLink

Field Summary

Modifier and Type	Field and Description
public static ImageWatched.Link	endlink
public ImageWatched.Link	watcherList

Constructor Summary

Access	Constructor and Description
public	ImageWatched()

Method Summary

Modifier and Type	Method and Description
public synchronized void	addWatcher(ImageObserver iw)
public synchronized boolean	isWatcher(ImageObserver iw)
public boolean	isWatcherListEmpty()
public void	newInfo(Image img, int info, int x, int y, int w, int h)
protected abstract void	notifyWatcherListEmpty()
public void	removeWatcher(ImageObserver iw)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

endlink	back to summary
public static ImageWatched.Link endlink

watcherList	back to summary
public ImageWatched.Link watcherList

Constructor Detail

ImageWatched	back to summary
public ImageWatched()

Method Detail

addWatcher	back to summary
public synchronized void addWatcher(ImageObserver iw)

isWatcher	back to summary
public synchronized boolean isWatcher(ImageObserver iw)

isWatcherListEmpty	back to summary
public boolean isWatcherListEmpty()

newInfo	back to summary
public void newInfo(Image img, int info, int x, int y, int w, int h)

notifyWatcherListEmpty	back to summary
protected abstract void notifyWatcherListEmpty()

removeWatcher	back to summary
public void removeWatcher(ImageObserver iw)

sun.awt.image back to summary

public Class ImageWatched.Link

Class Inheritance

extends Object

java.lang.Object
sun.awt.image.ImageWatched.Link

Known Direct Subclasses

sun.awt.image.ImageWatched.WeakLink

Constructor Summary

Access	Constructor and Description
public	Link()

Method Summary

Modifier and Type	Method and Description
public boolean	isWatcher(ImageObserver iw)
public boolean	newInfo(Image img, int info, int x, int y, int w, int h)
public ImageWatched.Link	removeWatcher(ImageObserver iw)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Constructor Detail

Link	back to summary
public Link()

Method Detail

isWatcher	back to summary
public boolean isWatcher(ImageObserver iw)

newInfo	back to summary
public boolean newInfo(Image img, int info, int x, int y, int w, int h)

removeWatcher	back to summary
public ImageWatched.Link removeWatcher(ImageObserver iw)

sun.awt.image back to summary

public Class ImageWatched.WeakLink

Class Inheritance

extends Link

java.lang.Object
sun.awt.image.ImageWatched.Link
sun.awt.image.ImageWatched.WeakLink

Field Summary

Modifier and Type	Field and Description
private final WeakReference<ImageObserver>	myref
private ImageWatched.Link	next

Constructor Summary

Access	Constructor and Description
public	WeakLink(ImageObserver obs, ImageWatched.Link next)

Method Summary

Modifier and Type	Method and Description
public boolean	isWatcher(ImageObserver iw) Overrides sun.awt.image.ImageWatched.Link.isWatcher.
public boolean	newInfo(Image img, int info, int x, int y, int w, int h) Overrides sun.awt.image.ImageWatched.Link.newInfo.
public ImageWatched.Link	removeWatcher(ImageObserver iw) Overrides sun.awt.image.ImageWatched.Link.removeWatcher.

Field Detail

myref	back to summary
private final WeakReference<ImageObserver> myref

next	back to summary
private ImageWatched.Link next

Constructor Detail

WeakLink	back to summary
public WeakLink(ImageObserver obs, ImageWatched.Link next)

Method Detail

isWatcher	back to summary
public boolean isWatcher(ImageObserver iw) Overrides sun.awt.image.ImageWatched.Link.isWatcher.

newInfo	back to summary
public boolean newInfo(Image img, int info, int x, int y, int w, int h) Overrides sun.awt.image.ImageWatched.Link.newInfo.

removeWatcher	back to summary
public ImageWatched.Link removeWatcher(ImageObserver iw) Overrides sun.awt.image.ImageWatched.Link.removeWatcher.