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A themeable Look and Feel for java swing
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/*
 * Copyright (c) 2009, Piet Blok
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 

 * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided
 * with the distribution.
 * Neither the name of the copyright holder nor the names of the
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * 

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.pbjar.jxlayer.plaf.ext.transform;

import javax.swing.*;

import org.jdesktop.swingx.ForwardingRepaintManager;
import org.pbjar.jxlayer.repaint.RepaintManagerProvider;
import org.pbjar.jxlayer.repaint.RepaintManagerUtils;

/**
 * A specialized {@link RepaintManager} that checks for every JComponent that is being set dirty, if it has a JXLayer
 * ancestor, equipped with a TransformUI. In that case, the transformed region on the JXLayer is also marked dirty.
 * 
 * If this class cannot be instantiated because the SwingX packages are not on the class path,
 * use {@link TransformRPMFallBack}
 *
 * @author Piet Blok
 * @see    TransformRPMFallBack
 * @see    RepaintManagerProvider
 * @see    RepaintManagerUtils
 */
@TransformRPMAnnotation
public class TransformRPMSwingX extends ForwardingRepaintManager {

    /**
     * Sole constructor.
     *
     * @param delegate the delegate {@link RepaintManager}
     */
    public TransformRPMSwingX(final RepaintManager delegate) {
        super(delegate);
        TransformRPMImpl.hackInitialization(delegate, this);
    }

    /**
     * Delegates and then marks a JXLayer ancestor as dirty with the transformed rectangle.
     */
    @Override
    public void addDirtyRegion(final JComponent c, final int x, final int y, final int w, final int h) {
        if (!TransformRPMImpl.addDirtyRegion(c, x, y, w, h, this)) {
            super.addDirtyRegion(c, x, y, w, h);
        }
    }
}