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/*
* Copyright (c) 2016, 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
@key headful
@bug 8062946 8159906
@summary Verify Transparency upon iconify/deiconify sequence
@run main TransparencyTest
*/
import java.awt.GraphicsEnvironment;
import java.awt.GraphicsDevice;
import java.awt.Color;
import java.awt.Point;
import java.awt.Robot;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
public class TransparencyTest {
private static JFrame frame;
private static JDialog dialog;
private static JDialog backgroundDialog;
private static final int WIDTH = 250;
private static final int HEIGHT = 250;
private static final float OPACITY = 0.60f;
private static volatile Point dlgPos;
public static void createAndShowGUI() {
frame = new JFrame("JFrame");
frame.setSize(WIDTH, HEIGHT);
frame.setLocation(100, 300);
dialog = new JDialog(frame, false);
dialog.setSize(250, 250);
dialog.setUndecorated(true);
dialog.setLocation(400, 300);
dlgPos = dialog.getLocation();
backgroundDialog = new JDialog(frame, false);
backgroundDialog.setSize(250, 250);
backgroundDialog.getContentPane().setBackground(Color.red);
backgroundDialog.setLocation(dlgPos.x, dlgPos.y);
frame.setVisible(true);
backgroundDialog.setVisible(true);
dialog.setVisible(true);
}
public static void main(String[] args) throws Exception {
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gd = ge.getDefaultScreenDevice();
GraphicsDevice.WindowTranslucency mode = GraphicsDevice.WindowTranslucency.TRANSLUCENT;
boolean translucencyCheck = gd.isWindowTranslucencySupported(mode);
if(!translucencyCheck) {
return;
}
Robot robot = new Robot();
// create a GUI
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
createAndShowGUI();
}
});
robot.waitForIdle();
Color opaque = robot.getPixelColor(dlgPos.x + 100, dlgPos.y + 100);
// set Dialog Opacity
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
dialog.setOpacity(OPACITY);
}
});
robot.waitForIdle();
// iconify frame
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
frame.setExtendedState(JFrame.ICONIFIED);
}
});
robot.waitForIdle();
// deiconify frame
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
frame.setExtendedState(JFrame.NORMAL);
}
});
robot.waitForIdle();
Color transparent = robot.getPixelColor(dlgPos.x + 100, dlgPos.y + 100);
if (transparent.equals(opaque)) {
frame.dispose();
throw new RuntimeException("JDialog transparency lost "
+ "upon iconify/deiconify sequence");
}
frame.dispose();
}
}
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