| /* |
| * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.awt.Color; |
| import java.awt.Rectangle; |
| import java.awt.Robot; |
| import javax.swing.JFrame; |
| import javax.swing.JPanel; |
| import javax.swing.SwingUtilities; |
| |
| /** |
| * @test |
| * @bug 8175301 |
| * @summary Java GUI hangs on Windows when Display set to 125% |
| * @run main/othervm -Dsun.java2d.uiScale=2 ScaledFrameBackgroundTest |
| * @run main/othervm -Dsun.java2d.uiScale=2 -Dsun.java2d.d3d=true ScaledFrameBackgroundTest |
| * @run main/othervm -Dsun.java2d.uiScale=2 -Dsun.java2d.opengl=true ScaledFrameBackgroundTest |
| */ |
| public class ScaledFrameBackgroundTest { |
| |
| private static final Color BACKGROUND = Color.RED; |
| private static JFrame frame; |
| |
| public static void main(String[] args) throws Exception { |
| |
| Robot robot = new Robot(); |
| robot.setAutoDelay(50); |
| |
| SwingUtilities.invokeAndWait(() -> { |
| frame = new JFrame(); |
| frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
| frame.setSize(400, 300); |
| JPanel panel = new JPanel(); |
| panel.setBackground(BACKGROUND); |
| frame.getContentPane().add(panel); |
| frame.setVisible(true); |
| }); |
| |
| robot.waitForIdle(); |
| Thread.sleep(200); |
| |
| Rectangle[] rects = new Rectangle[1]; |
| SwingUtilities.invokeAndWait(() -> { |
| rects[0] = frame.getBounds(); |
| }); |
| |
| Rectangle bounds = rects[0]; |
| |
| int x = bounds.x + bounds.width / 4; |
| int y = bounds.y + bounds.height / 4; |
| |
| Color color = robot.getPixelColor(x, y); |
| |
| if (!BACKGROUND.equals(color)) { |
| throw new RuntimeException("Wrong backgound color!"); |
| } |
| |
| x = bounds.x + 3 * bounds.width / 4; |
| y = bounds.y + 3 * bounds.height / 4; |
| |
| color = robot.getPixelColor(x, y); |
| |
| if (!BACKGROUND.equals(color)) { |
| throw new RuntimeException("Wrong backgound color!"); |
| } |
| } |
| } |