/*

 * Copyright (c) 2015, 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

 * @key headful

 * @bug 6430601 8198613

 * @summary Verifies that copyArea() works properly when the

 * destination parameters are outside the destination bounds.

 * @run main/othervm CopyAreaOOB

 * @author campbelc

 */

import java.awt.*;

import java.awt.image.*;

public class CopyAreaOOB extends Canvas {

    private static boolean done;

    public void paint(Graphics g) {

        synchronized (this) {

            if (done) {

                return;

            }

        }

        int w = getWidth();

        int h = getHeight();

        Graphics2D g2d = (Graphics2D)g;

        g2d.setColor(Color.black);

        g2d.fillRect(0, 0, w, h);

        g2d.setColor(Color.green);

        g2d.fillRect(0, 0, w, 10);

        g2d.setColor(Color.red);

        g2d.fillRect(0, 10, 50, h-10);

        // copy the region such that part of it goes below the bottom of the

        // destination surface

        g2d.copyArea(0, 10, 50, h-10, 60, 10);

        Toolkit.getDefaultToolkit().sync();

        synchronized (this) {

            done = true;

            notifyAll();

        }

    }

    public Dimension getPreferredSize() {

        return new Dimension(400, 400);

    }

    private static void testRegion(BufferedImage bi, String name,

                                   int x1, int y1, int x2, int y2,

                                   int expected)

    {

        for (int y = y1; y < y2; y++) {

            for (int x = x1; x < x2; x++) {

                int actual = bi.getRGB(x, y);

                if (actual != expected) {

                    throw new RuntimeException("Test failed for " + name +

                                                       " region at x="+x+" y="+y+

                                                       " (expected="+

                                                       Integer.toHexString(expected) +

                                                       " actual="+

                                                       Integer.toHexString(actual) +

                                                       ")");

                }

            }

        }

    }

    public static void main(String[] args) {

        boolean show = (args.length == 1) && ("-show".equals(args[0]));

        CopyAreaOOB test = new CopyAreaOOB();

        Frame frame = new Frame();

        frame.setUndecorated(true);

        frame.add(test);

        frame.pack();

        frame.setLocationRelativeTo(null);

        frame.setVisible(true);

        // Wait until the component's been painted

        synchronized (test) {

            while (!done) {

                try {

                    test.wait();

                } catch (InterruptedException e) {

                    throw new RuntimeException("Failed: Interrupted");

                }

            }

        }

        try {

            Thread.sleep(2000);

        } catch (InterruptedException ex) {}

        // Grab the screen region

        BufferedImage capture = null;

        try {

            Robot robot = new Robot();

            Point pt1 = test.getLocationOnScreen();

            Rectangle rect = new Rectangle(pt1.x, pt1.y, 400, 400);

            capture = robot.createScreenCapture(rect);

        } catch (Exception e) {

            throw new RuntimeException("Problems creating Robot");

        } finally {

            if (!show) {

                frame.dispose();

            }

        }

        // Test pixels

        testRegion(capture, "green",          0,   0, 400,  10, 0xff00ff00);

        testRegion(capture, "original red",   0,  10,  50, 400, 0xffff0000);

        testRegion(capture, "background",    50,  10,  60, 400, 0xff000000);

        testRegion(capture, "in-between",    60,  10, 110,  20, 0xff000000);

        testRegion(capture, "copied red",    60,  20, 110, 400, 0xffff0000);

        testRegion(capture, "background",   110,  10, 400, 400, 0xff000000);

    }

}