1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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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  23 /*
  24   @test
  25   @key headful
  26   @bug 5066752
  27   @summary  Transparent JDesktopPane impossible because isOpaque() returns true
  28   @author mb50250: area=JDesktopPane
  29   @library ../../regtesthelpers
  30   @build Util
  31   @run main bug5066752
  32 */
  33 
  34 import java.awt.*;
  35 import javax.swing.*;
  36 
  37 public class bug5066752
  38 {
  39     private static JFrame frame;
  40 
  41     public static void main(String[] args) throws Exception {
  42         Robot r = new Robot();
  43         SwingUtilities.invokeAndWait(new Runnable() {
  44             public void run() {
  45                 createAndShowGUI();
  46             }
  47         });
  48         r.waitForIdle();
  49 
  50         r.delay(600);
  51 
  52         Point p = Util.getCenterPoint(frame);
  53         Color color =  r.getPixelColor((int) p.getX(), (int) p.getY());
  54         if (!color.equals(Color.RED)) {
  55             throw new Exception("Test failed: JDesktopPane isn't transparent. Expected color is (red color): " + Color.RED + ", actual color is: " + color);
  56         }
  57     }
  58 
  59     private static void createAndShowGUI() {
  60         frame = new JFrame();
  61 
  62         frame.setLayout(new BorderLayout());
  63         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  64 
  65         JPanel panel = new JPanel();
  66         panel.setLayout(new BorderLayout());
  67         panel.setBackground(Color.RED);
  68         frame.add(panel, BorderLayout.CENTER);
  69 
  70         JDesktopPane dp = new JDesktopPane();
  71         dp.setOpaque(false);
  72         panel.add(dp, BorderLayout.CENTER);
  73 
  74         frame.setBounds(200, 200, 300, 200);
  75         frame.setVisible(true);
  76     }
  77 }