124 lines
4.3 KiB
Java
124 lines
4.3 KiB
Java
/*
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* Copyright (c) 2008, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @key headful
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* @bug 6683728
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* @summary Tests that a JApplet in a translucent JFrame works properly
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* @compile -XDignore.symbol.file=true TranslucentJAppletTest.java
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* @run main TranslucentJAppletTest
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*/
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import java.awt.*;
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import java.awt.image.*;
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import javax.swing.*;
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public class TranslucentJAppletTest {
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private static volatile GraphicsConfiguration graphicsConfig = null;
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private static JFrame frame;
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private static volatile boolean paintComponentCalled = false;
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private static void initAndShowGUI() {
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frame = new JFrame(graphicsConfig);
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JApplet applet = new JApplet();
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applet.setBackground(new Color(0, 0, 0, 0));
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JPanel panel = new JPanel() {
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protected void paintComponent(Graphics g) {
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paintComponentCalled = true;
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g.setColor(Color.RED);
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g.fillOval(0, 0, getWidth(), getHeight());
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}
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};
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panel.setDoubleBuffered(false);
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panel.setOpaque(false);
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applet.add(panel);
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frame.add(applet);
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frame.setBounds(100, 100, 200, 200);
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frame.setUndecorated(true);
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frame.setBackground(new Color(0, 0, 0, 0));
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frame.setVisible(true);
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}
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public static void main(String[] args)
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throws Exception
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{
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final GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
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for (GraphicsDevice gd : ge.getScreenDevices()) {
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if (gd.isWindowTranslucencySupported(
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GraphicsDevice.WindowTranslucency.PERPIXEL_TRANSLUCENT))
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{
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for (GraphicsConfiguration gc : gd.getConfigurations()) {
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if (gc.isTranslucencyCapable()) {
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graphicsConfig = gc;
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break;
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}
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}
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}
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if (graphicsConfig != null) {
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break;
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}
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}
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if (graphicsConfig == null) {
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System.out.println("The system does not support translucency. Consider the test passed.");
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return;
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}
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Robot r = new Robot();
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Color color1 = r.getPixelColor(100, 100); // (0, 0) in frame coordinates
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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initAndShowGUI();
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}
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});
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r.waitForIdle();
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if (!paintComponentCalled) {
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throw new RuntimeException("Test FAILED: panel's paintComponent() method is not called");
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}
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Thread.sleep(1500);
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Color newColor1 = r.getPixelColor(100, 100);
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Color newColor2 = r.getPixelColor(200, 200);
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// Frame must be transparent at (100, 100) in screen coords
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if (!color1.equals(newColor1)) {
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System.err.println("color1 = " + color1);
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System.err.println("newColor1 = " + newColor1);
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throw new RuntimeException("Test FAILED: frame pixel at (0, 0) is not transparent");
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}
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// Frame must be RED at (200, 200) in screen coords
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if (!newColor2.equals(Color.RED)) {
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System.err.println("newColor2 = " + newColor2);
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throw new RuntimeException("Test FAILED: frame pixel at (100, 100) is not red (transparent?)");
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}
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System.out.println("Test PASSED");
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}
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}
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