/*
 *
 *
 * Copyright  1990-2007 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program 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.
 * 
 * This program 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 at /legal/license.txt).
 * 
 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */
package com.sun.perseus.j2d;

import org.w3c.dom.svg.SVGRect;

/**
 * Interface that classes interested in changes to a PaintServer should implement.
 *
 * @version $Id: PaintTarget.java,v 1.3 2006/04/21 06:35:06 st125089 Exp $
 */
public interface PaintTarget {
    /**
     * @param paintType the key provided by the PaintTarget when it subscribed to 
     *        to associated PaintServer.
     * @param paintServer the PaintServer generating the update.
     */
    public void onPaintServerUpdate(final String paintType,
                                    final PaintServer paintServer);

    /**
     * @return the PaintTarget's user space bounding box. May be needed for the 
     *         PaintServer to compute a PaintDef, as for objectBoundingBox 
     *         gradients.
     */
    public SVGRect getBBox();
}