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diff --git a/src/demos/gamma/TestGamma.java b/src/demos/gamma/TestGamma.java
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+/*
+ * 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.gamma;
+
+import java.awt.*;
+import java.awt.event.*;
+
+import javax.media.opengl.*;
+import com.sun.opengl.util.*;
+
+import demos.gears.*;
+
+public class TestGamma {
+  private static void usage() {
+    System.out.println("Usage: java TestGamma [gamma value] [brightness value] [contrast value]");
+    System.exit(1);
+  }
+
+  public static void main(String[] args) {
+    if (args.length != 3) {
+      usage();
+    }
+
+    float gamma = 1.0f;
+    float brightness = 0.0f;
+    float contrast = 0.0f;
+    try {
+      gamma = Float.parseFloat(args[0]);
+      brightness = Float.parseFloat(args[1]);
+      contrast = Float.parseFloat(args[2]);
+    } catch (NumberFormatException e) {
+      usage();
+    }
+
+    Frame frame = new Frame("Gear and Gamma Demo");
+    GLCanvas canvas = new GLCanvas();
+    canvas.addGLEventListener(new Gears());
+    frame.add(canvas);
+    frame.setSize(300, 300);
+    final Animator animator = new Animator(canvas);
+    frame.addWindowListener(new WindowAdapter() {
+        public void windowClosing(WindowEvent e) {
+          // Run this on another thread than the AWT event queue to
+          // make sure the call to Animator.stop() completes before
+          // exiting
+          new Thread(new Runnable() {
+              public void run() {
+                animator.stop();
+                Gamma.resetDisplayGamma();
+                System.exit(0);
+              }
+            }).start();
+        }
+      });
+    frame.show();
+    animator.start();
+    
+    if (!Gamma.setDisplayGamma(gamma, brightness, contrast)) {
+      System.err.println("Unable to change display gamma, brightness, and contrast");
+    }
+  }
+}