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sun.swing

public Class ImageCache

Class Inheritance

extends Object

java.lang.Object
sun.swing.ImageCache

Imports

java.awt.GraphicsConfiguration, .Image, java.lang.ref.SoftReference, java.util.Iterator, .LinkedList

Cache is used to cache an image based on a set of arguments.

Nested and Inner Type Summary

Modifier and Type	Class and Description
private static class	ImageCache.Entry Caches set of arguments and Image.

Field Summary

Modifier and Type	Field and Description
private final LinkedList<SoftReference<ImageCache.Entry>>	entries
private int	maxCount

Constructor Summary

Access	Constructor and Description
public	ImageCache(int maxCount)

Method Summary

Modifier and Type	Method and Description
public void	flush()
private ImageCache.Entry	getEntry(Object key, GraphicsConfiguration config, int w, int h, Object[] args)
public Image	getImage(Object key, GraphicsConfiguration config, int w, int h, Object[] args) Returns the cached Image, or null, for the specified arguments.
public void	setImage(Object key, GraphicsConfiguration config, int w, int h, Object[] args, Image image) Sets the cached image for the specified constraints.
pack-priv void	setMaxCount(int maxCount)

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

Field Detail

entries	back to summary
private final LinkedList<SoftReference<ImageCache.Entry>> entries

maxCount	back to summary
private int maxCount

Constructor Detail

ImageCache	back to summary
public ImageCache(int maxCount)

Method Detail

flush	back to summary
public void flush()

getEntry	back to summary
private ImageCache.Entry getEntry(Object key, GraphicsConfiguration config, int w, int h, Object[] args)

getImage	back to summary
public Image getImage(Object key, GraphicsConfiguration config, int w, int h, Object[] args) Returns the cached Image, or null, for the specified arguments.

setImage	back to summary
public void setImage(Object key, GraphicsConfiguration config, int w, int h, Object[] args, Image image) Sets the cached image for the specified constraints.

setMaxCount	back to summary
pack-priv void setMaxCount(int maxCount)

sun.swing back to summary

private Class ImageCache.Entry

Class Inheritance

extends Object

java.lang.Object
sun.swing.ImageCache.Entry

Caches set of arguments and Image.

Field Summary

Modifier and Type	Field and Description
private final Object[]	args
private final GraphicsConfiguration	config
private final int	h
private Image	image
private final int	w

Constructor Summary

Access	Constructor and Description
pack-priv	Entry(GraphicsConfiguration config, int w, int h, Object[] args)

Method Summary

Modifier and Type	Method and Description
public boolean	equals(GraphicsConfiguration config, int w, int h, Object[] args)
public Image	getImage()
public void	setImage(Image image)
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.

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

Field Detail

args	back to summary
private final Object[] args

config	back to summary
private final GraphicsConfiguration config

h	back to summary
private final int h

image	back to summary
private Image image

w	back to summary
private final int w

Constructor Detail

Entry	back to summary
pack-priv Entry(GraphicsConfiguration config, int w, int h, Object[] args)

Method Detail

equals	back to summary
public boolean equals(GraphicsConfiguration config, int w, int h, Object[] args)

getImage	back to summary
public Image getImage()

setImage	back to summary
public void setImage(Image image)

toString back to summary

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.