1 /* 2 * Copyright (c) 2008, 2013, 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 21 * questions. 22 */ 23 24 /* 25 * @test %I% %E% 26 * @bug 6683728 27 * @summary Tests that a JApplet in a translucent JFrame works properly 28 * @author Kenneth.Russell@sun.com: area=Graphics 29 * @compile -XDignore.symbol.file=true TranslucentJAppletTest.java 30 * @run main/manual/othervm TranslucentJAppletTest 31 */ 32 33 import java.awt.*; 34 import java.awt.image.*; 35 36 import javax.swing.*; 37 38 public class TranslucentJAppletTest { 39 40 private static volatile GraphicsConfiguration graphicsConfig = null; 41 private static JFrame frame; 42 private static volatile boolean paintComponentCalled = false; 43 44 private static void initAndShowGUI() { 45 frame = new JFrame(graphicsConfig); 46 JApplet applet = new JApplet(); 47 applet.setBackground(new Color(0, 0, 0, 0)); 48 JPanel panel = new JPanel() { 49 protected void paintComponent(Graphics g) { 50 paintComponentCalled = true; 51 g.setColor(Color.RED); 52 g.fillOval(0, 0, getWidth(), getHeight()); 53 } 54 }; 55 panel.setDoubleBuffered(false); 56 panel.setOpaque(false); 57 applet.add(panel); 58 frame.add(applet); 59 frame.setBounds(100, 100, 200, 200); 60 frame.setUndecorated(true); 61 frame.setBackground(new Color(0, 0, 0, 0)); 62 frame.setVisible(true); 63 } 64 65 public static void main(String[] args) 66 throws Exception 67 { 68 69 final GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); 70 for (GraphicsDevice gd : ge.getScreenDevices()) { 71 if (gd.isWindowTranslucencySupported( 72 GraphicsDevice.WindowTranslucency.PERPIXEL_TRANSLUCENT)) 73 { 74 for (GraphicsConfiguration gc : gd.getConfigurations()) { 75 if (gc.isTranslucencyCapable()) { 76 graphicsConfig = gc; 77 break; 78 } 79 } 80 } 81 if (graphicsConfig != null) { 82 break; 83 } 84 } 85 if (graphicsConfig == null) { 86 System.out.println("The system does not support translucency. Consider the test passed."); 87 return; 88 } 89 90 Robot r = new Robot(); 91 Color color1 = r.getPixelColor(100, 100); // (0, 0) in frame coordinates 92 93 SwingUtilities.invokeAndWait(new Runnable() { 94 public void run() { 95 initAndShowGUI(); 96 } 97 }); 98 r.waitForIdle(); 99 100 if (!paintComponentCalled) { 101 throw new RuntimeException("Test FAILED: panel's paintComponent() method is not called"); 102 } 103 Thread.sleep(1500); 104 105 Color newColor1 = r.getPixelColor(100, 100); 106 Color newColor2 = r.getPixelColor(200, 200); 107 108 // Frame must be transparent at (100, 100) in screen coords 109 if (!color1.equals(newColor1)) { 110 System.err.println("color1 = " + color1); 111 System.err.println("newColor1 = " + newColor1); 112 throw new RuntimeException("Test FAILED: frame pixel at (0, 0) is not transparent"); 113 } 114 115 // Frame must be RED at (200, 200) in screen coords 116 if (!newColor2.equals(Color.RED)) { 117 System.err.println("newColor2 = " + newColor2); 118 throw new RuntimeException("Test FAILED: frame pixel at (100, 100) is not red (transparent?)"); 119 } 120 121 System.out.println("Test PASSED"); 122 } 123 }