jdk/test/java/awt/Graphics2D/FillTexturePaint/FillTexturePaint.java

/*
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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
 * 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.
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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.Rectangle;
import java.awt.TexturePaint;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;

/**
 * @test
 * @key headful
 * @bug 8000629
 * @summary TexturePaint areas shouldn't separates.
 * @author Sergey Bylokhov
 */
public class FillTexturePaint {

    private static TexturePaint shape;
    private static final int size = 400;

    static {
        BufferedImage bi = new BufferedImage(50, 50,
                                             BufferedImage.TYPE_INT_RGB);
        Graphics2D gi = bi.createGraphics();
        gi.setBackground(Color.GREEN);
        gi.clearRect(0, 0, 50, 50);
        shape = new TexturePaint(bi, new Rectangle(0, 0, 50, 50));
    }

    public static void main(final String[] args) {
        GraphicsEnvironment ge =
                GraphicsEnvironment.getLocalGraphicsEnvironment();
        GraphicsConfiguration gc =
                ge.getDefaultScreenDevice().getDefaultConfiguration();
        VolatileImage vi = gc.createCompatibleVolatileImage(size, size);
        while (true) {
            vi.validate(gc);
            Graphics2D g2d = vi.createGraphics();
            g2d.setComposite(AlphaComposite.Src);
            g2d.setPaint(shape);
            g2d.fill(new Rectangle(0, 0, size, size));
            g2d.dispose();

            if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException ignored) {
                }
                continue;
            }

            BufferedImage bi = vi.getSnapshot();

            if (vi.contentsLost()) {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException ignored) {
                }
                continue;
            }

            for (int x = 0; x < size; ++x) {
                for (int y = 0; y < size; ++y) {
                    if (bi.getRGB(x, y) != Color.GREEN.getRGB()) {
                        throw new RuntimeException("Test failed.");
                    }
                }
            }
            break;
        }
    }
}