1 /* 2 * Copyright (c) 2010, 2014, 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.*; 25 import javax.swing.*; 26 import java.awt.image.BufferedImage; 27 28 /* 29 * @test 30 * @summary Check if a per-pixel translucent window shows up with correct translucency 31 * @author mrkam 32 * @library ../../../../lib/testlibrary 33 * @build Common ExtendedRobot 34 * @run main PerPixelTranslucentCanvas 35 */ 36 37 public class PerPixelTranslucentCanvas extends Common { 38 39 JPanel center; 40 Color OVAL_COLOR = Color.BLUE; 41 42 public static void main(String[] ignored) throws Exception { 43 FG_COLOR = new Color(200, 0, 0, 100); 44 BG_COLOR = Color.GREEN; 45 for (Class<Window> windowClass: WINDOWS_TO_TEST) 46 new PerPixelTranslucentCanvas(windowClass).doTest(); 47 } 48 49 public PerPixelTranslucentCanvas(Class windowClass) throws Exception { 50 super(windowClass); 51 } 52 53 @Override 54 public void createSwingComponents() { 55 Container contentPane = RootPaneContainer.class.cast(window).getContentPane(); 56 BorderLayout bl = new BorderLayout(10, 10); 57 contentPane.setLayout(bl); 58 59 JLabel label = new JLabel("North", new ImageIcon( 60 new BufferedImage(30, 30, BufferedImage.TYPE_INT_RGB)), SwingConstants.CENTER); 61 contentPane.add(label, BorderLayout.NORTH); 62 63 JButton button = new JButton("West"); 64 contentPane.add(button, BorderLayout.WEST); 65 66 center = new JPanel() { 67 @Override 68 public void paint(Graphics g) { 69 g.setColor(OVAL_COLOR); 70 g.fillOval(0, 0, getWidth(), getHeight()); 71 } 72 }; 73 contentPane.add(center, BorderLayout.CENTER); 74 75 JTextField jTextField = new JTextField("South"); 76 contentPane.add(jTextField, BorderLayout.SOUTH); 77 } 78 79 @Override 80 public void doTest() throws Exception { 81 robot.waitForIdle(delay); 82 83 Rectangle bounds = center.getBounds(); 84 Point loc = center.getLocationOnScreen(); 85 86 final int x = loc.x + bounds.width / 2; 87 final int y = loc.y + bounds.height / 2; 88 89 Color color = robot.getPixelColor(x, y); 90 if (OVAL_COLOR.getRGB() != color.getRGB()) 91 throw new RuntimeException("bounds = " + bounds + "\n" + 92 "loc = " + loc + "\n" + 93 "background loc = " + background.getX() + ", " + background.getY() + "\n" + 94 "so middle point over background is " + (x - background.getX()) + ", " + (y - background.getY()) + "\n" + 95 "Oval is not opaque in the middle point (" + x + ", " + y + ", " + color + ")"); 96 97 color = robot.getPixelColor(loc.x - 5, loc.y - 5); 98 if (FG_COLOR.getRGB() == color.getRGB()) 99 throw new RuntimeException("Background is not translucent (" + color + ")"); 100 101 EventQueue.invokeAndWait(this::dispose); 102 robot.waitForIdle(); 103 } 104 }