diff --git a/src/java/com/threerings/media/sprite/AnimatedPanel.java b/src/java/com/threerings/media/sprite/AnimatedPanel.java
index 80b07e069..76202e79a 100644
--- a/src/java/com/threerings/media/sprite/AnimatedPanel.java
+++ b/src/java/com/threerings/media/sprite/AnimatedPanel.java
@@ -1,5 +1,5 @@
 //
-// $Id: AnimatedPanel.java,v 1.2 2001/10/22 18:13:51 shaper Exp $
+// $Id: AnimatedPanel.java,v 1.3 2001/12/15 04:20:26 mdb Exp $
 
 package com.threerings.media.sprite;
 
@@ -74,6 +74,12 @@ public class AnimatedPanel extends JPanel implements AnimatedView
         // nothing for now
     }
 
+    // documentation inherited
+    public void invalidateRect (Rectangle rect)
+    {
+        // nothing for now
+    }
+
     /**
      * Paints this panel immediately. Since we know that we are always
      * opaque and not dependent on Swing's double-buffering, we bypass the
diff --git a/src/java/com/threerings/media/sprite/AnimatedView.java b/src/java/com/threerings/media/sprite/AnimatedView.java
index 7a787eecb..f11470988 100644
--- a/src/java/com/threerings/media/sprite/AnimatedView.java
+++ b/src/java/com/threerings/media/sprite/AnimatedView.java
@@ -1,8 +1,9 @@
 //
-// $Id: AnimatedView.java,v 1.4 2001/08/23 00:23:58 shaper Exp $
+// $Id: AnimatedView.java,v 1.5 2001/12/15 04:20:26 mdb Exp $
 
 package com.threerings.media.sprite;
 
+import java.awt.Rectangle;
 import javax.swing.JComponent;
 
 /**
@@ -21,6 +22,14 @@ public interface AnimatedView
      */
     public void invalidateRects (DirtyRectList rects);
 
+    /**
+     * Invalidates a rectangle in screen pixel coordinates in the scene
+     * view for later repainting.
+     *
+     * @param rect the {@link java.awt.Rectangle} to dirty.
+     */
+    public void invalidateRect (Rectangle rect);
+
     /**
      * Requests that the animated view paint itself immediately (that it
      * complete the painting process before returning from this function).