1 /*
   2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
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  22  */
  23 /*
  24   @test
  25   @bug 5066752
  26   @summary  Transparent JDesktopPane impossible because isOpaque() returns true
  27   @author mb50250: area=JDesktopPane
  28   @library ../../regtesthelpers
  29   @build Util
  30   @run main bug5066752
  31 */
  32 
  33 import java.awt.*;
  34 import javax.swing.*;
  35 import sun.awt.*;
  36 
  37 public class bug5066752
  38 {
  39     private static JFrame frame;
  40 
  41     public static void main(String[] args) throws Exception {
  42         SunToolkit tk = (SunToolkit)Toolkit.getDefaultToolkit();
  43         Robot r = new Robot();
  44         SwingUtilities.invokeAndWait(new Runnable() {
  45             public void run() {
  46                 createAndShowGUI();
  47             }
  48         });
  49         tk.realSync();
  50 
  51         r.delay(600);
  52 
  53         Point p = Util.getCenterPoint(frame);
  54         Color color =  r.getPixelColor((int) p.getX(), (int) p.getY());
  55         if (!color.equals(Color.RED)) {
  56             throw new Exception("Test failed: JDesktopPane isn't transparent. Expected color is (red color): " + Color.RED + ", actual color is: " + color);
  57         }
  58     }
  59 
  60     private static void createAndShowGUI() {
  61         frame = new JFrame();
  62 
  63         frame.setLayout(new BorderLayout());
  64         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  65 
  66         JPanel panel = new JPanel();
  67         panel.setLayout(new BorderLayout());
  68         panel.setBackground(Color.RED);
  69         frame.add(panel, BorderLayout.CENTER);
  70 
  71         JDesktopPane dp = new JDesktopPane();
  72         dp.setOpaque(false);
  73         panel.add(dp, BorderLayout.CENTER);
  74 
  75         frame.setBounds(200, 200, 300, 200);
  76         frame.setVisible(true);
  77     }
  78 }