Class AsyncImage
- java.lang.Object
-
- java.util.concurrent.atomic.AtomicReference<org.eclipse.swt.graphics.ImageData>
-
- org.eclipse.nebula.widgets.geomap.internal.AsyncImage
-
- All Implemented Interfaces:
java.io.Serializable,java.lang.Runnable
class AsyncImage extends java.util.concurrent.atomic.AtomicReference<org.eclipse.swt.graphics.ImageData> implements java.lang.RunnableAn async image that loads itself in the background on an image-fetcher thread. Once its loaded it will trigger a redraw. Sometimes redraws that are not really necessary can be triggered, but that is not relevant in terms of performance for this swt-component.
-
-
Field Summary
Fields Modifier and Type Field Description private GeoMapHelpergeoMapHelperprivate org.eclipse.swt.graphics.Imageimageprivate java.lang.RunnableremoveTileFromCacheRunnableprivate longstampprivate TileReftileprivate java.lang.RunnabletileUpdatedRunnableprivate java.lang.StringtileUrl
-
Constructor Summary
Constructors Constructor Description AsyncImage(GeoMapHelper geoMapHelper, TileRef tile, java.lang.String tileUrl)
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description private voidcheckThread(org.eclipse.swt.widgets.Display display)voiddispose()org.eclipse.swt.graphics.ImagegetImage(org.eclipse.swt.widgets.Display display)voidrun()-
Methods inherited from class java.util.concurrent.atomic.AtomicReference
accumulateAndGet, compareAndExchange, compareAndExchangeAcquire, compareAndExchangeRelease, compareAndSet, get, getAcquire, getAndAccumulate, getAndSet, getAndUpdate, getOpaque, getPlain, lazySet, set, setOpaque, setPlain, setRelease, toString, updateAndGet, weakCompareAndSet, weakCompareAndSetAcquire, weakCompareAndSetPlain, weakCompareAndSetRelease, weakCompareAndSetVolatile
-
-
-
-
Field Detail
-
geoMapHelper
private final GeoMapHelper geoMapHelper
-
tile
private final TileRef tile
-
tileUrl
private final java.lang.String tileUrl
-
stamp
private volatile long stamp
-
image
private org.eclipse.swt.graphics.Image image
-
removeTileFromCacheRunnable
private java.lang.Runnable removeTileFromCacheRunnable
-
tileUpdatedRunnable
private java.lang.Runnable tileUpdatedRunnable
-
-
Constructor Detail
-
AsyncImage
AsyncImage(GeoMapHelper geoMapHelper, TileRef tile, java.lang.String tileUrl)
-
-