test/jdk/sun/java2d/DrawCachedImageAndTransform.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.Color;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;

/**
 * @test
 * @key headful
 * @bug 8039774
 * @summary Verifies that we get no exception, when we draw with scale
 *          BufferedImage to VolatileImage via intermediate texture.
 * @author Sergey Bylokhov
 * @run main/othervm -Dsun.java2d.accthreshold=0 DrawCachedImageAndTransform
 */
public final class DrawCachedImageAndTransform {

    public static void main(String[] args) {
        GraphicsEnvironment ge = GraphicsEnvironment
                .getLocalGraphicsEnvironment();
        GraphicsConfiguration gc = ge.getDefaultScreenDevice()
                                     .getDefaultConfiguration();
        VolatileImage vi = gc.createCompatibleVolatileImage(100, 100);

        Graphics2D g2d = vi.createGraphics();
        g2d.scale(2, 2);
        BufferedImage img = new BufferedImage(50, 50,
                                              BufferedImage.TYPE_INT_ARGB);

        g2d.drawImage(img, 10, 25, Color.blue, null);
        g2d.dispose();
    }
}