com.luciad.lucy.map.asynchronous

LuciadLightspeedClass TLcyGXYAsynchronousLayerPaintHintProvider

java.lang.Object

com.luciad.lucy.map.asynchronous.TLcyGXYAsynchronousLayerPaintHintProvider

All Implemented Interfaces:

ILcyAsynchronousPaintHintProvider

public class TLcyGXYAsynchronousLayerPaintHintProvider
extends Object
implements ILcyAsynchronousPaintHintProvider

Asynchronous paint hint provider wrapper, passing safe-to-use layers to the wrapped provider. It allows to easily convert a paint hint provider into a paint hint provider that supports asynchronous painting.

Constructor Summary

Constructors

Constructor and Description
TLcyGXYAsynchronousLayerPaintHintProvider(ILcyLucyEnv aLucyEnv, ILcyAsynchronousPaintHintProvider aPaintHintProvider) Creates a new paint hint provider wrapper.

Method Summary

Modifier and Type	Method and Description
TLcyAsynchronousPaintHint	getAsynchronousPaintHint(ILcdLayer aLayer) Returns a paint hint for the specified layer.

Methods inherited from class java.lang.Object

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

Constructor Detail

TLcyGXYAsynchronousLayerPaintHintProvider

public TLcyGXYAsynchronousLayerPaintHintProvider(ILcyLucyEnv aLucyEnv,
                                                 ILcyAsynchronousPaintHintProvider aPaintHintProvider)

Creates a new paint hint provider wrapper.

Parameters:

aLucyEnv - Lucy environment

aPaintHintProvider - existing paint hint provider to wrap. The provider will be offered layers that are safe to cast and access.

Method Detail

getAsynchronousPaintHint

public TLcyAsynchronousPaintHint getAsynchronousPaintHint(ILcdLayer aLayer)

Description copied from interface: ILcyAsynchronousPaintHintProvider

Returns a paint hint for the specified layer. If a paint hint provider cannot determine a paint hint for the specified layer, null should be returned.

Specified by:

getAsynchronousPaintHint in interface ILcyAsynchronousPaintHintProvider

Parameters:

aLayer - the layer for which we wish to retrieve a paint hint

Returns:

an asynchronous paint hint if the provider knows it; null otherwise

See Also:

TLcyAsynchronousPaintHint