    001/* ===========================================================
    002 * Orson Charts : a 3D chart library for the Java(tm) platform
    003 * ===========================================================
    004 *
    005 * (C)opyright 2013-2016, by Object Refinery Limited.  All rights reserved.
    006 *
    007 * http://www.object-refinery.com/orsoncharts/index.html
    008 *
    009 * This program is free software: you can redistribute it and/or modify
    010 * it under the terms of the GNU General Public License as published by
    011 * the Free Software Foundation, either version 3 of the License, or
    012 * (at your option) any later version.
    013 *
    014 * This program is distributed in the hope that it will be useful,
    015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
    016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    017 * GNU General Public License for more details.
    018 *
    019 * You should have received a copy of the GNU General Public License
    020 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    021 *
    022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
    023 * Other names may be trademarks of their respective owners.]
    024 *
    025 * If you do not wish to be bound by the terms of the GPL, an alternative
    026 * commercial license can be purchased.  For details, please see visit the
    027 * Orson Charts home page:
    028 *
    029 * http://www.object-refinery.com/orsoncharts/index.html
    030 *
    031 */
    032
    033package com.orsoncharts.table;
    034
    035import java.awt.Graphics2D;
    036import java.awt.geom.Rectangle2D;
    037import com.orsoncharts.Chart3D;
    038
    039/**
    040 * An object that can paint a rectangular region with a color, gradient, image
    041 * or anything.
    042 * <br><br>
    043 * NOTE: It is recommended that classes that implement this interface are
    044 * designed to be {@code Serializable} and immutable.  Immutability is
    045 * desirable because painters are assigned to {@link Chart3D} instances, and
    046 * there is no change notification if the painter can be modified directly.
    047 * In addition, a single painter can be shared amongst multiple charts.
    048 */
    049public interface RectanglePainter {
    050
    051    /**
    052     * Fills the specified rectangle (where "fill" is some arbitrary drawing
    053     * operation defined by the class that implements this interface).
    054     *
    055     * @param g2  the graphics target ({@code null} not permitted).
    056     * @param bounds  the rectangle ({@code null} not permitted).
    057     */
    058    public void fill(Graphics2D g2, Rectangle2D bounds);
    059
    060}