001    /*
002     * $Id: PainterUIResource.java 3250 2009-02-04 20:00:23Z kschaefe $
003     *
004     * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
005     * Santa Clara, California 95054, U.S.A. All rights reserved.
006     *
007     * This library is free software; you can redistribute it and/or
008     * modify it under the terms of the GNU Lesser General Public
009     * License as published by the Free Software Foundation; either
010     * version 2.1 of the License, or (at your option) any later version.
011     * 
012     * This library is distributed in the hope that it will be useful,
013     * but WITHOUT ANY WARRANTY; without even the implied warranty of
014     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
015     * Lesser General Public License for more details.
016     * 
017     * You should have received a copy of the GNU Lesser General Public
018     * License along with this library; if not, write to the Free Software
019     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
020     */
021    
022    package org.jdesktop.swingx.plaf;
023    
024    import java.awt.Graphics2D;
025    import javax.swing.JComponent;
026    import javax.swing.plaf.UIResource;
027    import org.jdesktop.swingx.painter.Painter;
028    
029    /**
030     * An implementation of Painter as a UIResource. UI classes that create Painters
031     * should use this class.
032     * 
033     * @author rbair
034     * @author Karl George Schaefer
035     * @param <T> a subclass of JComponent
036     */
037    public class PainterUIResource<T extends JComponent> implements Painter<T>, UIResource {
038        private Painter<? super T> p;
039    
040        /**
041         * Creates a new instance of PainterUIResource with the specified delegate
042         * painter.
043         * 
044         * @param p
045         *            the delegate painter
046         */
047        public PainterUIResource(Painter<? super T> p) {
048            this.p = p;
049        }
050        
051        /**
052         * {@inheritDoc}
053         */
054        public void paint(Graphics2D g, T component, int width, int height) {
055            if (p != null) {
056                p.paint(g, component, width, height);
057            }
058        }
059    }