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diff --git a/src/demos/xtrans/OffscreenDesktopPane.java b/src/demos/xtrans/OffscreenDesktopPane.java
deleted file mode 100755
index 7bd1f6c..0000000
--- a/src/demos/xtrans/OffscreenDesktopPane.java
+++ /dev/null
@@ -1,231 +0,0 @@
-/*
- * Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * 
- * - Redistribution of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- * 
- * - Redistribution in binary form must reproduce the above copyright
- *   notice, this list of conditions and the following disclaimer in the
- *   documentation and/or other materials provided with the distribution.
- * 
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- * 
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
- * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
- * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
- * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
- * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
- * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
- * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
- * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * 
- * You acknowledge that this software is not designed or intended for use
- * in the design, construction, operation or maintenance of any nuclear
- * facility.
- * 
- * Sun gratefully acknowledges that this software was originally authored
- * and developed by Kenneth Bradley Russell and Christopher John Kline.
- */
-
-package demos.xtrans;
-
-import java.awt.*;
-import java.awt.geom.*;
-import java.util.*;
-import javax.swing.*;
-
-// Internal JOGL API references
-import com.sun.opengl.impl.Debug;
-
-/** A subclass of JDesktopPane which performs all of the rendering of
- * its child components into an off-screen buffer. Provides access to
- * this back buffer so subclasses can determine how to draw the
- * contents of the child windows to the screen.
- *
- * @author Kenneth Russell
- */
-
-public class OffscreenDesktopPane extends JDesktopPane {
-  //
-  // Debugging functionality only
-  //
-  private static final boolean DEBUG = Debug.debug("OffscreenDesktopPane");
-  private static final Color[] colors = {
-    Color.LIGHT_GRAY,
-    Color.CYAN,
-    Color.PINK,
-    Color.GRAY,
-    Color.MAGENTA,
-    Color.BLUE,
-    Color.ORANGE,
-    Color.DARK_GRAY,
-    Color.RED,
-    Color.YELLOW
-  };
-  private int colorIdx;
-
-  private Color getNextColor() {
-    Color c = colors[colorIdx];
-    colorIdx = (colorIdx + 1) % colors.length;
-    return c;
-  }
-
-  private Map/*<Component, Color>*/ componentColorMap;
-
-  /** Constructs a new OffscreenDesktopPane. */
-  public OffscreenDesktopPane() {
-    super();
-    if (DEBUG) {
-      componentColorMap = new WeakHashMap();
-    }
-    // Only use an OffscreenDesktopManager instance directly if we
-    // have not been subclassed
-    if (getClass() == OffscreenDesktopPane.class) {
-      setDesktopManager(new OffscreenDesktopManager());
-    }
-  }
-
-  /** Overrides superclass's addImpl to insert an
-      OffscreenComponentWrapper between the added component and this
-      one. The wrapper component produces Graphics objects used when
-      children repaint themselves directly. */
-  protected void addImpl(Component c, Object constraints, int index) {
-    if (c instanceof OffscreenComponentWrapper) {
-      throw new RuntimeException("Should not add OffscreenComponentWrappers directly");
-    }
-    OffscreenComponentWrapper wrapper = new OffscreenComponentWrapper(c);
-    // Note: this is essential in order to keep mouse events
-    // propagating correctly down the hierarchy
-    wrapper.setBounds(getBounds());
-    OffscreenDesktopManager.switchDoubleBuffering(wrapper, false);
-    super.addImpl(wrapper, constraints, index);
-    if (DEBUG) {
-      componentColorMap.put(c, getNextColor());
-    }
-    getOffscreenDesktopManager().setNeedsReLayout();
-    repaint();
-  }
-
-  // In order to hide the presence of the OffscreenComponentWrapper a
-  // little more, we override remove to make it look like we can
-  // simply pass in the JInternalFrames inside the
-  // OffscreenComponentWrappers. There are some situations where we
-  // can't hide the presence of the OffscreenComponentWrapper (such as
-  // when calling getParent() of the JInternalFrame) so to avoid
-  // incorrect behavior of the rest of the toolkit we don't override
-  // getComponent() to skip the OffscreenComponentWrappers.
-
-  /** Removes the component at the given index. */
-  public void remove(int index) {
-    Component c = getComponent(index);
-    super.remove(index);
-    OffscreenDesktopManager.switchDoubleBuffering(c, true);
-  }
-
-  /** Removes the specified component from this
-      OffscreenDesktopPane. This method accepts either the components
-      added by the application (which are not direct children of this
-      one) or the OffscreenComponentWrappers added implicitly by the
-      add() method. */
-  public void remove(Component comp) {
-    comp = getWrapper(comp);
-    if (comp == null) {
-      // This component must not be one of our children
-      return;
-    }
-    super.remove(comp);
-    OffscreenDesktopManager.switchDoubleBuffering(comp, true);
-  }
-
-  public void reshape(int x, int y, int w, int h) {
-    super.reshape(x, y, w, h);
-    Rectangle rect = new Rectangle(x, y, w, h);
-    Component[] cs = getComponents();
-    for (int i = 0; i < cs.length; i++) {
-      // Note: this is essential in order to keep mouse events
-      // propagating correctly down the hierarchy
-      ((OffscreenComponentWrapper) cs[i]).setBounds(rect);
-    }
-  }
-
-  /** Overridden from JLayeredPane for convenience when manipulating
-      child components. Accepts either the component added by the
-      application or the OffscreenComponentWrapper added implicitly by
-      the add() method. */
-  public void setPosition(Component c, int position) {
-    super.setPosition(getWrapper(c), position);
-  }
-
-  /** Paints all children of this OffscreenDesktopPane to the internal
-      off-screen buffer. Does no painting to the passed Graphics
-      object; this is the responsibility of subclasses. */
-  protected void paintChildren(Graphics g) {
-    // Update desktop manager's offscreen buffer if necessary
-    getOffscreenDesktopManager().updateOffscreenBuffer(this);
-
-    if (DEBUG) {
-      // Subclasses will need to override this behavior anyway, so
-      // only enable an on-screen representation if debugging is
-      // enabled. For now, simply paint colored rectangles indicating
-      // the on-screen locations of the windows.
-      final Component[] components = getRealChildComponents();
-      int compCount = components.length;
-      for (int i = compCount - 1; i >= 0; i--) {
-        Component c = components[i];
-        Rectangle r = c.getBounds();
-        Color col = (Color) componentColorMap.get(c);
-        g.setColor(col);
-        g.fillRect(r.x, r.y, r.width, r.height);
-      }
-    }
-  }
-
-  /** Fetches the real child components of this OffscreenDesktopPane,
-      skipping all OffscreenComponentWrappers implicitly added. */
-  protected Component[] getRealChildComponents() {
-    Component[] cs = getComponents();
-    for (int i = 0; i < cs.length; i++) {
-      cs[i] = ((OffscreenComponentWrapper) cs[i]).getChild();
-    }
-    return cs;
-  }
-
-  /** Returns the OffscreenDesktopManager associated with this
-      pane. */
-  public OffscreenDesktopManager getOffscreenDesktopManager() {
-    return (OffscreenDesktopManager) getDesktopManager();
-  }
-
-  /** Returns the real child component of this OffscreenDesktopPane,
-      skipping the OffscreenComponentWrapper implicitly added. */
-  protected static Component getRealComponent(Component c) {
-    if (c instanceof OffscreenComponentWrapper) {
-      return ((OffscreenComponentWrapper) c).getChild();
-    }    
-    return c;
-  }
-
-  /** Returns the OffscreenComponentWrapper corresponding to the given
-      child component, or the passed component if it is already the
-      wrapper. */
-  protected static Component getWrapper(Component c) {
-    if (c instanceof OffscreenComponentWrapper) {
-      return c;
-    }
-    Component parent = c.getParent();
-    if (parent instanceof OffscreenComponentWrapper) {
-      return parent;
-    }
-    return null;
-  }
-}