org.dishevelled.thumbnail.swing

Class ThumbnailCache

java.lang.Object

org.dishevelled.thumbnail.swing.ThumbnailCache

public final class ThumbnailCache
extends Object

Thumbnail cache.

Author:

Michael Heuer

Constructor Summary

Constructors

Constructor and Description
ThumbnailCache(ThumbnailManager thumbnailManager) Create a new thumbnail cache with the specified thumbnail manager.

Method Summary

Modifier and Type	Method and Description
void	add(Component component) Repaint the specified component on reload of thumbnail images.
BufferedImage	getLargeThumbnail(URI uri) Return a large size (256x256 pixel) thumbnail image for the specified URI.
BufferedImage	getThumbnail(URI uri) Return a normal size (128x128 pixel) thumbnail image for the specified URI.
void	remove(Component component) Remove the specified component from the list of components to repaint on reload of thumbnail images.

Methods inherited from class java.lang.Object

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

Constructor Detail

ThumbnailCache

public ThumbnailCache(ThumbnailManager thumbnailManager)

Create a new thumbnail cache with the specified thumbnail manager.

Parameters:

thumbnailManager - thumbnail manager, must not be null

Method Detail

add

public void add(Component component)

Repaint the specified component on reload of thumbnail images.

Parameters:

component - component to repaint on reload of thumbnail images, must not be null

remove

public void remove(Component component)

Remove the specified component from the list of components to repaint on reload of thumbnail images.

Parameters:

component - component to remove from the list of components to repaint on reload of thumbnail images

getThumbnail

public BufferedImage getThumbnail(URI uri)

Return a normal size (128x128 pixel) thumbnail image for the specified URI. The thumbnail image will not be null but may be an empty image; call again after repaint.

Parameters:

uri - URI for the original image, must not be null

Returns:

a normal size (128x128 pixel) thumbnail image for the specified URI

getLargeThumbnail

public BufferedImage getLargeThumbnail(URI uri)

Return a large size (256x256 pixel) thumbnail image for the specified URI. The thumbnail image will not be null but may be an empty image; call again after repaint.

Parameters:

uri - URI for the original image, must not be null

Returns:

a large size (256x256 pixel) thumbnail image for the specified URI