Java example source code file (OverriddenInsetsTest.java)

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Java - Java tags/keywords

awt, bufferedimage, countdownlatch, event, failed, frame, image, imageio, insets, insets1, insets2, interruptedexception, ioexception, overriddeninsetstest, panel, robot, test, threading, threads, windowadapter

The OverriddenInsetsTest.java Java example source code

/*
 * Copyright (c) 2007, 2008, 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.
 */

/*
 * @test
 * @bug 6694230
 * @summary Tests that components overriding getInsets paint correctly
 * @author Dmitri.Trembovetski@sun.com: area=Graphics
 * @run main/othervm OverriddenInsetsTest
 * @run main/othervm -Dsun.java2d.opengl=True OverriddenInsetsTest
 */

import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import javax.imageio.ImageIO;

public class OverriddenInsetsTest {

    public static final Insets INSETS1 = new Insets(25,25,0,0);
    public static final Insets INSETS2 = new Insets(100,100,0,0);
    static final CountDownLatch lock = new CountDownLatch(1);
    static boolean failed = false;

    public static void main(String[] args) {

        if (GraphicsEnvironment.getLocalGraphicsEnvironment().
                getDefaultScreenDevice().getDefaultConfiguration().
                    getColorModel().getPixelSize() < 16)
        {
            System.out.println("<16 bit mode detected, test passed");
        }

        final Frame f = new Frame("OverriddenInsetsTest");
        f.setSize(260,260);

        f.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                f.setVisible(false);
                System.exit(0);
            }
        });

        f.setBackground(Color.gray);
        Panel p1 = new Panel() {
            public Insets getInsets() {
                return INSETS1;
            }
        };
        p1.setLayout(null);
        p1.setSize(250, 250);

        Panel p = new Panel(){
            @Override
            public Insets getInsets() {
                return INSETS2;
            }

            public void paint(Graphics g) {
                // make sure Vista is done with its effects
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException ex) {}
                g.setColor(Color.red);
                g.drawRect(0,0,getWidth()-1,getHeight()-1 );
                g.setColor(Color.blue);
                g.fillRect(0,0,getWidth()/2,getHeight()/2);

                Point p = getLocationOnScreen();
                try {
                    Robot r = new Robot();
                    BufferedImage bi =
                        r.createScreenCapture(new
                            Rectangle(p.x, p.y, getWidth()/2, getHeight()/2));
                    for (int y = 0; y < bi.getHeight(); y++) {
                        for (int x = 0; x < bi.getWidth(); x++) {
                            if (bi.getRGB(x, y) != Color.blue.getRGB()) {
                                failed = true;
                                System.err.printf("Test failed at %d %d c=%x\n",
                                                  x, y, bi.getRGB(x, y));
                                String name = "OverriddenInsetsTest_res.png";
                                try {
                                    ImageIO.write(bi, "png", new File(name));
                                    System.out.println("Dumped res to: "+name);
                                } catch (IOException e) {}
                                return;
                            }
                        }
                    }
                } catch (Exception e) {
                    failed = true;
                } finally {
                    lock.countDown();
                }
            }
        };
        p.setSize(200, 200);

        p1.add(p);
        p.setLocation(50, 50);
        f.add(p1);
        f.setVisible(true);

        try {
            lock.await();
        } catch (InterruptedException ex) {
            ex.printStackTrace();
        }
        if (args.length <= 0 || !"-show".equals(args[0])) {
            f.dispose();
        }

        if (failed) {
            throw new RuntimeException("Test FAILED.");
        }
        System.out.println("Test PASSED");
    }
}