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jfreechart example source code file (XYBarPainter.java)

This example jfreechart source code file (XYBarPainter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

awt, geometry, rectangleedge, rectangleedge, rectangularshape, rectangularshape, xybarpainter, xybarpainter, xybarrenderer, xybarrenderer

The jfreechart XYBarPainter.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -----------------
 * XYBarPainter.java
 * -----------------
 * (C) Copyright 2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes:
 * --------
 * 19-Jun-2008 : Version 1 (DG);
 *
 */

package org.jfree.chart.renderer.xy;

import java.awt.Graphics2D;
import java.awt.geom.RectangularShape;

import org.jfree.ui.RectangleEdge;

/**
 * The interface for plugin painter for the {@link XYBarRenderer} class.  When
 * developing a class that implements this interface, bear in mind the
 * following:
 * <ul>
 * <li>the equals(Object) method should be overridden;
 * <li>instances of the class should be immutable OR implement the
 *     <code>PublicCloneable interface, so that a renderer using the
 *     painter can be cloned reliably;
 * <li>the class should be Serializable, otherwise chart
 *     serialization will not be supported.</li>
 * </ul>
 *
 * @since 1.0.11
 */
public interface XYBarPainter {

    /**
     * Paints a single bar on behalf of a renderer.
     *
     * @param g2  the graphics target.
     * @param renderer  the renderer.
     * @param row  the row index for the item.
     * @param column  the column index for the item.
     * @param bar  the bounds for the bar.
     * @param base  the base of the bar.
     */
    public void paintBar(Graphics2D g2, XYBarRenderer renderer,
            int row, int column, RectangularShape bar, RectangleEdge base);

    /**
     * Paints the shadow for a single bar on behalf of a renderer.
     *
     * @param g2  the graphics target.
     * @param renderer  the renderer.
     * @param row  the row index for the item.
     * @param column  the column index for the item.
     * @param bar  the bounds for the bar.
     * @param base  the base of the bar.
     * @param pegShadow  peg the shadow to the base of the bar?
     */
    public void paintBarShadow(Graphics2D g2, XYBarRenderer renderer,
            int row, int column, RectangularShape bar, RectangleEdge base,
            boolean pegShadow);

}

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