Package org.openstreetmap.josm.gui.layer.geoimage

Class ThumbsLoader

java.lang.Object

org.openstreetmap.josm.gui.layer.geoimage.ThumbsLoader

All Implemented Interfaces:

java.lang.Runnable

public class ThumbsLoader
extends java.lang.Object
implements java.lang.Runnable

Loads thumbnail previews for a list of images from a GeoImageLayer. Thumbnails are loaded in the background and cached on disk for the next session.

Field Summary

Fields

Modifier and Type	Field	Description
private org.apache.commons.jcs3.access.behavior.ICacheAccess<java.lang.String,BufferedImageCacheEntry>	cache
private boolean	cacheOff
private java.util.Collection<ImageEntry>	data
private GeoImageLayer	layer
static int	maxSize
static int	minSize
boolean	stop

Constructor Summary

Constructors

Modifier	Constructor	Description
	ThumbsLoader(java.util.Collection<ImageEntry> entries)	Constructs a new thumbnail loader that operates on the image entries
private	ThumbsLoader(java.util.Collection<ImageEntry> data, GeoImageLayer layer)
	ThumbsLoader(GeoImageLayer layer)	Constructs a new thumbnail loader that operates on a geoimage layer.

Method Summary

Modifier and Type	Method	Description
private void	initCache()	Initialize the thumbnail cache.
private java.awt.image.BufferedImage	loadThumb(ImageEntry entry)
void	run()

Methods inherited from class java.lang.Object

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

Field Detail

maxSize

public static final int maxSize

See Also:

Constant Field Values

minSize

public static final int minSize

See Also:

Constant Field Values

stop

public volatile boolean stop

data

private final java.util.Collection<ImageEntry> data

layer

private final GeoImageLayer layer

cache

private org.apache.commons.jcs3.access.behavior.ICacheAccess<java.lang.String,BufferedImageCacheEntry> cache

cacheOff

private final boolean cacheOff

Constructor Detail

ThumbsLoader

private ThumbsLoader(java.util.Collection<ImageEntry> data,
                     GeoImageLayer layer)

ThumbsLoader

public ThumbsLoader(GeoImageLayer layer)

Constructs a new thumbnail loader that operates on a geoimage layer.

Parameters:

layer - geoimage layer

ThumbsLoader

public ThumbsLoader(java.util.Collection<ImageEntry> entries)

Constructs a new thumbnail loader that operates on the image entries

Parameters:

entries - image entries

Method Detail

initCache

private void initCache()

Initialize the thumbnail cache.

run

public void run()

Specified by:

run in interface java.lang.Runnable

loadThumb

private java.awt.image.BufferedImage loadThumb(ImageEntry entry)