/* ===========================================================

 * JFreeChart : a free chart library for the Java(tm) platform

 * ===========================================================

 *

 * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors.

 *

 * Project Info:  http://www.jfree.org/jfreechart/index.html

 *

 * This library is free software; you can redistribute it and/or modify it under the terms

 * of the GNU Lesser General Public License as published by the Free Software Foundation;

 * either version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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 Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License along with this

 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,

 * Boston, MA 02111-1307, USA.

 *

 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 

 * in the United States and other countries.]

 *

 * --------------------

 * DrawingSupplier.java

 * --------------------

 * (C) Copyright 2003, 2004, by Object Refinery Limited.

 *

 * Original Author:  David Gilbert (for Object Refinery Limited);

 * Contributor(s):   -;

 *

 * $Id: DrawingSupplier.java,v 1.2 2004/09/08 09:19:53 mungady Exp $

 *

 * Changes

 * -------

 * 16-Jan-2003 : Version 1 (DG);

 * 17-Jan-2003 : Renamed PaintSupplier --> DrawingSupplier (DG);

 *

 */



package org.jfree.chart.plot;



import java.awt.Paint;

import java.awt.Shape;

import java.awt.Stroke;



/**

 * A supplier of <code>Paint</code> and <code>Stroke</code> objects.

 * <p>

 * To support the cloning of charts, classes that implement this interface should also implement

 * <code>PublicCloneable</code>.

 */

public interface DrawingSupplier {



    /**

     * Returns the next paint in a sequence maintained by the supplier.

     *

     * @return The paint.

     */

    public Paint getNextPaint();



    /**

     * Returns the next outline paint in a sequence maintained by the supplier.

     *

     * @return The paint.

     */

    public Paint getNextOutlinePaint();



    /**

     * Returns the next <code>Stroke</code> object in a sequence maintained by the supplier.

     *

     * @return The stroke.

     */

    public Stroke getNextStroke();



    /**

     * Returns the next <code>Stroke</code> object in a sequence maintained by the supplier.

     *

     * @return The stroke.

     */

    public Stroke getNextOutlineStroke();



    /**

     * Returns the next <code>Shape</code> object in a sequence maintained by the supplier.

     *

     * @return The shape.

     */

    public Shape getNextShape();



}

