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/*
* Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test %I% %E%
* @bug 6683728
* @summary Tests that a JApplet in a translucent JFrame works properly
* @author Kenneth.Russell@sun.com: area=Graphics
* @compile -XDignore.symbol.file=true TranslucentJAppletTest.java
* @run main/manual/othervm TranslucentJAppletTest
*/
import java.awt.*;
import java.awt.image.*;
import javax.swing.*;
public class TranslucentJAppletTest {
private static volatile GraphicsConfiguration graphicsConfig = null;
private static JFrame frame;
private static volatile boolean paintComponentCalled = false;
private static void initAndShowGUI() {
frame = new JFrame(graphicsConfig);
JApplet applet = new JApplet();
applet.setBackground(new Color(0, 0, 0, 0));
JPanel panel = new JPanel() {
protected void paintComponent(Graphics g) {
paintComponentCalled = true;
g.setColor(Color.RED);
g.fillOval(0, 0, getWidth(), getHeight());
}
};
panel.setDoubleBuffered(false);
panel.setOpaque(false);
applet.add(panel);
frame.add(applet);
frame.setBounds(100, 100, 200, 200);
frame.setUndecorated(true);
frame.setBackground(new Color(0, 0, 0, 0));
frame.setVisible(true);
}
public static void main(String[] args)
throws Exception
{
final GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
for (GraphicsDevice gd : ge.getScreenDevices()) {
if (gd.isWindowTranslucencySupported(
GraphicsDevice.WindowTranslucency.PERPIXEL_TRANSLUCENT))
{
for (GraphicsConfiguration gc : gd.getConfigurations()) {
if (gc.isTranslucencyCapable()) {
graphicsConfig = gc;
break;
}
}
}
if (graphicsConfig != null) {
break;
}
}
if (graphicsConfig == null) {
System.out.println("The system does not support translucency. Consider the test passed.");
return;
}
Robot r = new Robot();
Color color1 = r.getPixelColor(100, 100); // (0, 0) in frame coordinates
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
initAndShowGUI();
}
});
r.waitForIdle();
if (!paintComponentCalled) {
throw new RuntimeException("Test FAILED: panel's paintComponent() method is not called");
}
Thread.sleep(1500);
Color newColor1 = r.getPixelColor(100, 100);
Color newColor2 = r.getPixelColor(200, 200);
// Frame must be transparent at (100, 100) in screen coords
if (!color1.equals(newColor1)) {
System.err.println("color1 = " + color1);
System.err.println("newColor1 = " + newColor1);
throw new RuntimeException("Test FAILED: frame pixel at (0, 0) is not transparent");
}
// Frame must be RED at (200, 200) in screen coords
if (!newColor2.equals(Color.RED)) {
System.err.println("newColor2 = " + newColor2);
throw new RuntimeException("Test FAILED: frame pixel at (100, 100) is not red (transparent?)");
}
System.out.println("Test PASSED");
}
}
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