/*
 * Copyright (c) 2007, 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.awt.image;

import java.awt. GraphicsConfiguration;
import java.awt. GraphicsEnvironment;
import java.awt. ImageCapabilities;
import java.awt.image. BufferedImage;
import sun.java2d. SurfaceData;
import sun.java2d.loops. CompositeType;

/**
 * This SurfaceManager variant manages the default (software) surface of a
 * BufferedImage. 
 * All rendering to the image will use the software surface as the destination. 
 * This is one of the more minimalist implementations of SurfaceManager. 
 */
public class BufImgSurfaceManager extends SurfaceManager {
    /**
     * A reference to the BufferedImage whose contents are being managed. 
     */
    protected BufferedImage bImg;

    /**
     * The default (software) surface containing the contents of the
     * BufferedImage. 
     */
    protected SurfaceData sdDefault;

    public BufImgSurfaceManager(BufferedImage bImg) {
        this.bImg = bImg;
        this.sdDefault = BufImgSurfaceData.createData(bImg);
    }

    public SurfaceData getPrimarySurfaceData() {
        return sdDefault;
    }

    /**
     * Called from platform-specific SurfaceData objects to attempt to
     * auto-restore the contents of an accelerated surface that has been lost. 
     */
    public SurfaceData restoreContents() {
        return sdDefault;
    }
}
