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 * @key headful 31 * @summary Check if a per-pixel translucent window shows up with correct translucency 32 * @author mrkam 33 * @library ../../../../lib/testlibrary 34 * @build Common ExtendedRobot 35 * @run main PerPixelTranslucentCanvas 36 */ 37 38 public class PerPixelTranslucentCanvas extends Common { 39 40 JPanel center; 41 Color OVAL_COLOR = Color.BLUE; 42 43 public static void main(String[] ignored) throws Exception { 44 FG_COLOR = new Color(200, 0, 0, 100); 45 BG_COLOR = Color.GREEN; 46 for (Class<Window> windowClass: WINDOWS_TO_TEST) 47 new PerPixelTranslucentCanvas(windowClass).doTest(); 48 } 49 50 public PerPixelTranslucentCanvas(Class windowClass) throws Exception { 51 super(windowClass); 52 } 53 54 @Override 55 public void createSwingComponents() { 56 Container contentPane = RootPaneContainer.class.cast(window).getContentPane(); 57 BorderLayout bl = new BorderLayout(10, 10); 58 contentPane.setLayout(bl); 59 60 JLabel label = new JLabel("North", new ImageIcon( 61 new BufferedImage(30, 30, BufferedImage.TYPE_INT_RGB)), SwingConstants.CENTER); 62 contentPane.add(label, BorderLayout.NORTH); 63 64 JButton button = new JButton("West"); 65 contentPane.add(button, BorderLayout.WEST); 66 67 center = new JPanel() { 68 @Override 69 public void paint(Graphics g) { 70 g.setColor(OVAL_COLOR); 71 g.fillOval(0, 0, getWidth(), getHeight()); 72 } 73 }; 74 contentPane.add(center, BorderLayout.CENTER); 75 76 JTextField jTextField = new JTextField("South"); 77 contentPane.add(jTextField, BorderLayout.SOUTH); 78 } 79 80 @Override 81 public void doTest() throws Exception { 82 robot.waitForIdle(delay); 83 84 Rectangle bounds = center.getBounds(); 85 Point loc = center.getLocationOnScreen(); 86 87 final int x = loc.x + bounds.width / 2; 88 final int y = loc.y + bounds.height / 2; 89 90 Color color = robot.getPixelColor(x, y); 91 if (OVAL_COLOR.getRGB() != color.getRGB()) 92 throw new RuntimeException("bounds = " + bounds + "\n" + 93 "loc = " + loc + "\n" + 94 "background loc = " + background.getX() + ", " + background.getY() + "\n" + 95 "so middle point over background is " + (x - background.getX()) + ", " + (y - background.getY()) + "\n" + 96 "Oval is not opaque in the middle point (" + x + ", " + y + ", " + color + ")"); 97 98 color = robot.getPixelColor(loc.x - 5, loc.y - 5); 99 if (FG_COLOR.getRGB() == color.getRGB()) 100 throw new RuntimeException("Background is not translucent (" + color + ")"); 101 102 EventQueue.invokeAndWait(this::dispose); 103 robot.waitForIdle(); 104 } 105 }