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