    001    /* ========================================================================
    002     * JCommon : a free general purpose class library for the Java(tm) platform
    003     * ========================================================================
    004     *
    005     * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jcommon/index.html
    008     *
    009     * This library is free software; you can redistribute it and/or modify it
    010     * under the terms of the GNU Lesser General Public License as published by
    011     * the Free Software Foundation; either version 2.1 of the License, or
    012     * (at your option) any later version.
    013     *
    014     * This library is distributed in the hope that it will be useful, but
    015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017     * License for more details.
    018     *
    019     * You should have received a copy of the GNU Lesser General Public
    020     * License along with this library; if not, write to the Free Software
    021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022     * USA.
    023     *
    024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025     * in the United States and other countries.]
    026     *
    027     * -----------------------------
    028     * GradientPaintTransformer.java
    029     * -----------------------------
    030     * (C) Copyright 2003-2007, by Object Refinery Limited.
    031     *
    032     * Original Author:  David Gilbert (for Object Refinery Limited);
    033     * Contributor(s):   -;
    034     *
    035     * $Id: GradientPaintTransformer.java,v 1.4 2007/04/03 12:34:13 mungady Exp $
    036     *
    037     * Changes
    038     * -------
    039     * 28-Oct-2003 : Version 1 (DG);
    040     *
    041     */
    042
    043    package org.jfree.ui;
    044
    045    import java.awt.GradientPaint;
    046    import java.awt.Shape;
    047
    048    /**
    049     * The interface for a class that can transform a <code>GradientPaint</code> to
    050     * fit an arbitrary shape.
    051     *
    052     * @author David Gilbert
    053     */
    054    public interface GradientPaintTransformer {
    055
    056        /**
    057         * Transforms a <code>GradientPaint</code> instance to fit some target
    058         * shape.  Classes that implement this method typically return a new
    059         * instance of <code>GradientPaint</code>.
    060         *
    061         * @param paint  the original paint (not <code>null</code>).
    062         * @param target  the reference area (not <code>null</code>).
    063         *
    064         * @return A transformed paint.
    065         */
    066        public GradientPaint transform(GradientPaint paint, Shape target);
    067
    068    }