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Java > Open Source Codes > prefuse > util > display > PaintListener


1 package prefuse.util.display;
2
3 import java.awt.Graphics2D JavaDoc;
4 import java.util.EventListener JavaDoc;
5
6 import prefuse.Display;
7
8 /**
9  * Listener interface for monitoring paint events on a Display. This
10  * listener is notified both directly before and after a Display has
11  * been painted, and allows for custom painting to be performed.
12  *
13  * @author <a HREF="http://jheer.org">jeffrey heer</a>
14  */
15 public interface PaintListener extends EventListener JavaDoc {
16
17     /**
18      * Notification that Display painting is beginning.
19      * @param d the Display about to paint itself
20      * @param g the Graphics context for the Display
21      */
22     public void prePaint(Display d, Graphics2D JavaDoc g);
23     
24     /**
25      * Notification that Display painting has completed.
26      * @param d the Display about to paint itself
27      * @param g the Graphics context for the Display
28      */
29     public void postPaint(Display d, Graphics2D JavaDoc g);
30     
31 } // end of interface PaintListener
32
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