1 /* 2 * Copyright (c) 2012, 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 * Portions Copyright (c) 2012 IBM Corporation 26 */ 27 28 import javax.swing.JButton; 29 import javax.swing.JDesktopPane; 30 import javax.swing.JFrame; 31 import javax.swing.SwingUtilities; 32 import sun.awt.SunToolkit; 33 34 import java.awt.AWTException; 35 import java.awt.AlphaComposite; 36 import java.awt.Color; 37 import java.awt.Graphics; 38 import java.awt.Graphics2D; 39 import java.awt.Rectangle; 40 import java.awt.Robot; 41 import java.awt.Toolkit; 42 import java.awt.image.BufferedImage; 43 44 /* 45 * @test 46 * @key headful 47 * @bug 7154030 48 * @summary Swing components fail to hide after calling hide() 49 * @author Jonathan Lu 50 * @library ../../regtesthelpers/ 51 * @build Util 52 * @run main bug7154030 53 */ 54 55 public class bug7154030 { 56 57 private static JButton button = null; 58 59 public static void main(String[] args) throws Exception { 60 BufferedImage imageInit = null; 61 62 BufferedImage imageShow = null; 63 64 BufferedImage imageHide = null; 65 66 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); 67 68 Robot robot = new Robot(); 69 70 SwingUtilities.invokeAndWait(new Runnable() { 71 72 @Override 73 public void run() { 74 JDesktopPane desktop = new JDesktopPane(); 75 button = new JButton("button"); 76 JFrame frame = new JFrame(); 77 78 button.setSize(200, 200); 79 button.setLocation(100, 100); 80 button.setForeground(Color.RED); 81 button.setBackground(Color.RED); 82 button.setOpaque(true); 83 button.setVisible(false); 84 desktop.add(button); 85 86 frame.setContentPane(desktop); 87 frame.setSize(300, 300); 88 frame.setLocation(0, 0); 89 frame.setVisible(true); 90 frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); 91 } 92 }); 93 94 toolkit.realSync(); 95 imageInit = robot.createScreenCapture(new Rectangle(0, 0, 300, 300)); 96 97 SwingUtilities.invokeAndWait(new Runnable() { 98 99 @Override 100 public void run() { 101 button.show(); 102 } 103 }); 104 105 toolkit.realSync(); 106 imageShow = robot.createScreenCapture(new Rectangle(0, 0, 300, 300)); 107 if (Util.compareBufferedImages(imageInit, imageShow)) { 108 throw new Exception("Failed to show opaque button"); 109 } 110 111 toolkit.realSync(); 112 113 SwingUtilities.invokeAndWait(new Runnable() { 114 115 @Override 116 public void run() { 117 button.hide(); 118 } 119 }); 120 121 toolkit.realSync(); 122 imageHide = robot.createScreenCapture(new Rectangle(0, 0, 300, 300)); 123 124 if (!Util.compareBufferedImages(imageInit, imageHide)) { 125 throw new Exception("Failed to hide opaque button"); 126 } 127 128 SwingUtilities.invokeAndWait(new Runnable() { 129 130 @Override 131 public void run() { 132 button.setOpaque(false); 133 button.setBackground(new Color(128, 128, 0)); 134 button.setVisible(false); 135 } 136 }); 137 138 toolkit.realSync(); 139 imageInit = robot.createScreenCapture(new Rectangle(0, 0, 300, 300)); 140 141 SwingUtilities.invokeAndWait(new Runnable() { 142 143 @Override 144 public void run() { 145 button.show(); 146 } 147 }); 148 149 toolkit.realSync(); 150 imageShow = robot.createScreenCapture(new Rectangle(0, 0, 300, 300)); 151 152 SwingUtilities.invokeAndWait(new Runnable() { 153 154 @Override 155 public void run() { 156 button.hide(); 157 } 158 }); 159 160 if (Util.compareBufferedImages(imageInit, imageShow)) { 161 throw new Exception("Failed to show non-opaque button"); 162 } 163 164 toolkit.realSync(); 165 imageHide = robot.createScreenCapture(new Rectangle(0, 0, 300, 300)); 166 167 if (!Util.compareBufferedImages(imageInit, imageHide)) { 168 throw new Exception("Failed to hide non-opaque button"); 169 } 170 } 171 }