ImageCachingRenderer (jump-b3p 6.0 API)

java.lang.Object
- org.locationtech.jts.jump.workbench.ui.renderer.ImageCachingRenderer

All Implemented Interfaces:

Renderer

Direct Known Subclasses:

ImageCachingFeatureCollectionRenderer, WMSLayerRenderer
```
public abstract class ImageCachingRenderer
extends Object
implements Renderer
```

Nested Class Summary
- Nested classes/interfaces inherited from interface org.locationtech.jts.jump.workbench.ui.renderer.Renderer
  Renderer.Factory

Field Summary

Fields
Modifier and Type Field Description

protected boolean cancelled

protected ThreadSafeImage image

protected LayerViewPanel panel

protected boolean rendering

Constructor Summary

Constructors
Constructor Description

ImageCachingRenderer(Object contentID, LayerViewPanel panel)

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`cancel()`
`void`	`clearImageCache()`
`void`	`copyTo(Graphics2D graphics)`
`Runnable`	`createRunnable()`
`Object`	`getContentID()`
`protected ThreadSafeImage`	`getImage()`
`boolean`	`isRendering()`
`protected abstract void`	`renderHook(ThreadSafeImage image)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

cancelled
```
protected volatile boolean cancelled
```

image

protected volatile ThreadSafeImage image

panel
```
protected LayerViewPanel panel
```

rendering
```
protected volatile boolean rendering
```

Constructor Detail

ImageCachingRenderer

public ImageCachingRenderer(Object contentID,
                            LayerViewPanel panel)

Method Detail
- clearImageCache
```
public void clearImageCache()
```
  Specified by:
  
  clearImageCache in interface Renderer
- isRendering
```
public boolean isRendering()
```
  Specified by:
  
  isRendering in interface Renderer
- getContentID
```
public Object getContentID()
```
  Specified by:
  
  getContentID in interface Renderer
- getImage
```
protected ThreadSafeImage getImage()
```
- copyTo
```
public void copyTo(Graphics2D graphics)
```
  Specified by:
  
  copyTo in interface Renderer
- createRunnable
```
public Runnable createRunnable()
```
  Specified by:
  
  createRunnable in interface Renderer
  
  Returns:
  
  null if no rendering work needs to be done
- renderHook
```
protected abstract void renderHook(ThreadSafeImage image)
                            throws Exception
```
  Throws:
  
  Exception
- cancel
```
public void cancel()
```
  Specified by:
  
  cancel in interface Renderer