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