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Class com.sun.java.swing.JDirtyRegionManager

java.lang.Object
   |
   +----com.sun.java.swing.JDirtyRegionManager

public class JDirtyRegionManager

extends Object

implements ActionListener

managers

JDirtyRegionManager()

Create a new JDirtyRegionManager instance.

actionPerformed(ActionEvent)

addDirtyRegion(JComponent, int, int, int, int)

Add a component in the list of component that should be refreshed.

defaultManager()

Return the JDirtyRegionManager for the calling thread.

getDirtyRegion(JComponent)

Return the current dirty region for a component.

isCompletelyDirty(JComponent)

Convenience that returns true if aComponent will be completely painted during the next paintDirtyRegions().

markCompletelyClean(JComponent)

Mark a component completely clean.

markCompletelyDirty(JComponent)

Mark a component completely dirty.

paintDirtyRegions()

Cause all the known dirty regions to be painted

toString()

 public static Hashtable managers

 public JDirtyRegionManager()

Create a new JDirtyRegionManager instance. You rarely call this constructor. directly. To get the default dirtyRegionManager, use DirtyRegionManager.defaultManager()

 public static JDirtyRegionManager defaultManager()

Return the JDirtyRegionManager for the calling thread. This method will maintain one dirtyRegionManager per thread group.

 public synchronized void addDirtyRegion(JComponent aComponent,
                                         int x,
                                         int y,
                                         int w,
                                         int h)

Add a component in the list of component that should be refreshed. If aComponent already has some dirty region, the rectangle (x,y,w,h) will be added to the region that should be redrawn.

 public Rectangle getDirtyRegion(JComponent aComponent)

Return the current dirty region for a component. Return an empty rectangle if the component is not dirty.

 public void markCompletelyDirty(JComponent aComponent)

Mark a component completely dirty. aComponent will be completely painted during the next paintDirtyRegions() call.

 public void markCompletelyClean(JComponent aComponent)

Mark a component completely clean. aComponent will not get painted during the next paintDirtyRegions() call

 public boolean isCompletelyDirty(JComponent aComponent)

Convenience that returns true if aComponent will be completely painted during the next paintDirtyRegions(). If computing dirty regions is expensive for your component, use this method and avoid computing dirty region if it return true.

 public void actionPerformed(ActionEvent e)

 public void paintDirtyRegions()

Cause all the known dirty regions to be painted

 public synchronized String toString()

Overrides:

toString in class Object

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