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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

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 * 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.

 *

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import java.awt.AlphaComposite;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.GraphicsConfiguration;

import java.awt.GraphicsEnvironment;

import java.awt.image.BufferedImage;

import java.awt.image.VolatileImage;

/**

 * @test

 * @bug 8000629

 * @author Sergey Bylokhov

 */

public final class FlipDrawImage {

    private static final int width = 400;

    private static final int height = 400;

    public static void main(final String[] args) {

        GraphicsEnvironment ge =

                GraphicsEnvironment.getLocalGraphicsEnvironment();

        GraphicsConfiguration gc =

                ge.getDefaultScreenDevice().getDefaultConfiguration();

        VolatileImage vi = gc.createCompatibleVolatileImage(width, height);

        final BufferedImage bi = new BufferedImage(width, height,

                                                   BufferedImage.TYPE_INT_ARGB);

        while (true) {

            vi.validate(gc);

            Graphics2D g2d = vi.createGraphics();

            g2d.setColor(Color.red);

            g2d.fillRect(0, 0, width, height);

            g2d.setColor(Color.green);

            g2d.fillRect(0, 0, width / 2, height / 2);

            g2d.dispose();

            if (vi.validate(gc) != VolatileImage.IMAGE_OK) {

                try {

                    Thread.sleep(100);

                } catch (InterruptedException ignored) {

                }

                continue;

            }

            Graphics2D g = bi.createGraphics();

            g.setComposite(AlphaComposite.Src);

            g.setColor(Color.BLUE);

            g.fillRect(0, 0, width, height);

            // destination width and height are flipped and scale is used.

            g.drawImage(vi, width / 2, height / 2, -width / 2, -height / 2,

                        null, null);

            g.dispose();

            if (vi.contentsLost()) {

                try {

                    Thread.sleep(100);

                } catch (InterruptedException ignored) {

                }

                continue;

            }

            for (int x = 0; x < width; ++x) {

                for (int y = 0; y < height; ++y) {

                    if (x < width / 2 && y < height / 2) {

                        if (x >= width / 4 && y >= height / 4) {

                            if (bi.getRGB(x, y) != Color.green.getRGB()) {

                                throw new RuntimeException("Test failed.");

                            }

                        } else if (bi.getRGB(x, y) != Color.red.getRGB()) {

                            throw new RuntimeException("Test failed.");

                        }

                    } else {

                        if (bi.getRGB(x, y) != Color.BLUE.getRGB()) {

                            throw new RuntimeException("Test failed.");

                        }

                    }

                }

            }

            break;

        }

    }

}