Quelle DrawCachedImageAndTransform.java Sprache: JAVA

/*
* Copyright (c) 2014, 2016, 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.
*/

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();
    }
}

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