1 /* 2 * Copyright (c) 2015, 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 import java.awt.Color; 25 import java.awt.FlowLayout; 26 import javax.swing.JButton; 27 import javax.swing.JCheckBox; 28 import javax.swing.JFrame; 29 import javax.swing.SwingUtilities; 30 import java.awt.Component; 31 import javax.swing.JOptionPane; 32 33 /** 34 * @test 35 * @bug 8039345 36 * @author Prasanta Sadhukhan 37 * @run main/manual ComponentResizeTest 38 * @summary Resizes JFrame so that component drawn inside it gets repainted 39 * without leaving any trails 40 */ 41 public class ComponentResizeTest { 42 43 private static JFrame demoFrame; 44 testresize()45 public static void testresize() throws Exception { 46 Thread.sleep(5000); 47 for (int i = 0; i < 20; i++) { 48 SwingUtilities.invokeLater(() -> { 49 demoFrame.setSize(demoFrame.getWidth() + 5, demoFrame.getHeight() + 5); 50 }); 51 Thread.sleep(1000); 52 } 53 } 54 main(String[] args)55 public static void main(String[] args) throws Exception { 56 SwingUtilities.invokeAndWait(() -> { 57 JOptionPane.showMessageDialog( 58 (Component) null, 59 "The test creates a transparent JFrame and resizes the JFrame. Please verify JFrame is transparent and components (like JButton, checkbox) move without leaving any trails", 60 "information", JOptionPane.INFORMATION_MESSAGE); 61 createAndShowGUI(); 62 }); 63 64 try { 65 testresize(); 66 } finally { 67 SwingUtilities.invokeLater(() -> { 68 demoFrame.dispose(); 69 }); 70 } 71 72 SwingUtilities.invokeAndWait(() -> { 73 int confirm = JOptionPane.showConfirmDialog( 74 (Component) null, 75 "Did the component resize work without leaving any trails?", 76 "alert", JOptionPane.YES_NO_OPTION); 77 if (confirm == JOptionPane.YES_OPTION) { 78 System.out.println("Test passed"); 79 } else { 80 System.out.println("Test failed"); 81 throw new RuntimeException("Component resize leaves trail"); 82 } 83 }); 84 } 85 createAndShowGUI()86 private static void createAndShowGUI() { 87 demoFrame = new JFrame(); 88 demoFrame.setSize(300, 300); 89 demoFrame.setLayout(new FlowLayout()); 90 demoFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 91 demoFrame.setUndecorated(true); 92 demoFrame.setBackground(new Color(0f, 0, 0, 0.1f)); 93 JCheckBox b = new JCheckBox("Whatever"); 94 demoFrame.paintAll(null); 95 b.setOpaque(true); 96 demoFrame.add(b); 97 demoFrame.add(new JButton()); 98 demoFrame.setVisible(true); 99 } 100 } 101