swingx-master/swingx-demos/swingx-demos-swingxset/src/main/java/org/jdesktop/swingx/util/font/FontPolicy.java
/*
 * Copyright (c) 2001-2006 JGoodies Karsten Lentzsch. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 *  o Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer. 
 *     
 *  o 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. 
 *     
 *  o Neither the name of JGoodies Karsten Lentzsch nor the names of 
 *    its 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.jdesktop.swingx.util.font;

import javax.swing.UIDefaults;



/**
 * Looks up and returns a FontSet.
 * 
 * @author  Karsten Lentzsch
 * @version $Revision$
 * 
 * @see FontSet
 * @see FontPolicies
 * 
 * @since 2.0
 */
public interface FontPolicy {

    /**
     * Looks up and returns a set of fonts that will be used
     * by a Look&amp;Feel to set the default fonts for its components.<p>
     * 
     * This method is invoked during the L&amp;F component initialization.
     * And the invoker hands over the UIDefaults object used to define
     * the component settings. Hence, the UIDefaults object may be used
     * to look up a font as initialized by a super Look&amp;Feel.
     * For example the JGoodies Windows L&amp;F could use the
     * defaults set by the super L&amp;F, the Sun Windows L&amp;F.
     * 
     * @param lafName the name of the Look&amp;Feel that requests the fonts 
     * @param table   the UIDefaults table that can be used
     *     to look up fonts of a super L&amp;F
     * 
     * @return a set of fonts used as default for the component.
     */
    FontSet getFontSet(String lafName, UIDefaults table);

}
