JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2007, 2008, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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
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package sun.java2d.pipe.hw;

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import sun.awt.image.SunVolatileImage;
import static sun.java2d.pipe.hw.AccelSurface.*;

/**
 * This is an image with forced type of the accelerated surface.
 */
public class AccelTypedVolatileImage extends SunVolatileImage {

    /**
     * Creates a volatile image with specified type of accelerated surface.
     *
     * @param graphicsConfig a GraphicsConfiguration for which this image should
     *        be created.
     * @param width width
     * @param height width
     * @param transparency type of {@link java.awt.Transparency transparency}
     *        requested for the image
     * @param accType type of the desired accelerated surface as defined in
     *        AccelSurface interface
     * @see sun.java2d.pipe.hw.AccelSurface
     */
    public AccelTypedVolatileImage(GraphicsConfiguration graphicsConfig,
                                   int width, int height, int transparency,
                                   int accType)
    {
        super(null, graphicsConfig, width, height, null, transparency,
              null, accType);
    }

    /**
     * {@inheritDoc}
     *
     * This method will throw {@code UnsupportedOperationException} if it this
     * image's destination surface can not be rendered to.
     */
    @Override

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