1/* 2 * Copyright (c) 2016, 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 26 @key headful 27 @bug 8062946 8159906 28 @summary Verify Transparency upon iconify/deiconify sequence 29 @run main TransparencyTest 30 */ 31import java.awt.GraphicsEnvironment; 32import java.awt.GraphicsDevice; 33import java.awt.Color; 34import java.awt.Point; 35import java.awt.Robot; 36import javax.swing.JDialog; 37import javax.swing.JFrame; 38import javax.swing.SwingUtilities; 39 40public class TransparencyTest { 41 42 private static JFrame frame; 43 private static JDialog dialog; 44 private static JDialog backgroundDialog; 45 private static final int WIDTH = 250; 46 private static final int HEIGHT = 250; 47 private static final float OPACITY = 0.60f; 48 private static volatile Point dlgPos; 49 50 public static void createAndShowGUI() { 51 frame = new JFrame("JFrame"); 52 frame.setSize(WIDTH, HEIGHT); 53 frame.setLocation(100, 300); 54 55 dialog = new JDialog(frame, false); 56 dialog.setSize(250, 250); 57 dialog.setUndecorated(true); 58 dialog.setLocation(400, 300); 59 dlgPos = dialog.getLocation(); 60 backgroundDialog = new JDialog(frame, false); 61 backgroundDialog.setSize(250, 250); 62 backgroundDialog.getContentPane().setBackground(Color.red); 63 backgroundDialog.setLocation(dlgPos.x, dlgPos.y); 64 65 frame.setVisible(true); 66 backgroundDialog.setVisible(true); 67 dialog.setVisible(true); 68 } 69 70 public static void main(String[] args) throws Exception { 71 72 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); 73 GraphicsDevice gd = ge.getDefaultScreenDevice(); 74 GraphicsDevice.WindowTranslucency mode = GraphicsDevice.WindowTranslucency.TRANSLUCENT; 75 boolean translucencyCheck = gd.isWindowTranslucencySupported(mode); 76 if(!translucencyCheck) { 77 return; 78 } 79 80 Robot robot = new Robot(); 81 // create a GUI 82 SwingUtilities.invokeAndWait(new Runnable() { 83 84 @Override 85 public void run() { 86 createAndShowGUI(); 87 } 88 }); 89 robot.waitForIdle(); 90 Color opaque = robot.getPixelColor(dlgPos.x + 100, dlgPos.y + 100); 91 92 // set Dialog Opacity 93 SwingUtilities.invokeAndWait(new Runnable() { 94 95 @Override 96 public void run() { 97 dialog.setOpacity(OPACITY); 98 } 99 }); 100 robot.waitForIdle(); 101 102 // iconify frame 103 SwingUtilities.invokeAndWait(new Runnable() { 104 105 @Override 106 public void run() { 107 frame.setExtendedState(JFrame.ICONIFIED); 108 } 109 }); 110 robot.waitForIdle(); 111 112 // deiconify frame 113 SwingUtilities.invokeAndWait(new Runnable() { 114 115 @Override 116 public void run() { 117 frame.setExtendedState(JFrame.NORMAL); 118 } 119 }); 120 robot.waitForIdle(); 121 122 Color transparent = robot.getPixelColor(dlgPos.x + 100, dlgPos.y + 100); 123 if (transparent.equals(opaque)) { 124 frame.dispose(); 125 throw new RuntimeException("JDialog transparency lost " 126 + "upon iconify/deiconify sequence"); 127 } 128 frame.dispose(); 129 } 130} 131