www.pudn.com > jfreechart-0.9.12.zip > DefaultShapeFactory.java

/* ====================================== 
 * JFreeChart : a free Java chart library 
 * ====================================== 
 * 
 * Project Info:  http://www.jfree.org/jfreechart/index.html 
 * Project Lead:  David Gilbert (david.gilbert@object-refinery.com); 
 * 
 * (C) Copyright 2000-2003, by Object Refinery Limited and Contributors. 
 * 
 * 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. 
 * 
 * ------------------------ 
 * DefaultShapeFactory.java 
 * ------------------------ 
 * (C) Copyright 2002, 2003, by Jeremy Bowman. 
 * 
 * Original Author:  Jeremy Bowman; 
 * Contributor(s):   David Gilbert (for Object Refinery Limited); 
 * 
 * $Id: DefaultShapeFactory.java,v 1.3 2003/08/06 15:07:17 mungady Exp $ 
 * 
 * Changes 
 * ------- 
 * 13-May-2002 : Version 1 (JB); 
 * 01-Oct-2002 : Fixed errors reported by Checkstyle (DG); 
 * 06-Aug-2003 : No longer required, so deprecated (DG); 
 * 
 */ 
 
package org.jfree.chart; 
 
import java.awt.Shape; 
import java.awt.geom.Ellipse2D; 
import java.awt.geom.Rectangle2D; 
 
/** 
 * Default provider of shapes for indicating data points on a Plot. 
 *  
 * @deprecated No longer used.  Shapes are supplied by the DrawingSupplier if necessary. 
 * 
 * @author Jeremy Bowman 
 */ 
public class DefaultShapeFactory implements ShapeFactory { 
 
    /** 
     * Returns a Shape that can be used in plotting data.  Used in XYPlots. 
     * 
     * @param series  number of series. 
     * @param item  index of the item. Not used, i.e. redundant.. 
     * @param x  the centered x position of the shape. 
     * @param y  the centered y position of the shape. 
     * @param scale  the size of the shape (width and height, radius). 
     * 
     * @return a square for series == 0, a circle otherwise. 
     */ 
    public Shape getShape(int series, int item, double x, double y, double scale) { 
 
        if (series == 0) { 
            return new Rectangle2D.Double(x - 0.5 * scale, y - 0.5 * scale, scale, scale); 
        } 
        else { 
            return new Ellipse2D.Double(x - 0.5 * scale, y - 0.5 * scale, scale, scale); 
        } 
 
    } 
 
    /** 
     * Returns a Shape that can be used in plotting data.  Used in CategoryPlots. 
     * 
     * @param series  number of series. Not used, i.e. redundant. 
     * @param category  the category. Not used, i.e. redundant. 
     * @param x  the centered x position of the shape. 
     * @param y  the centered y position of the shape. 
     * @param scale  the size of the shape (width and height, radius). 
     * 
     * @return a circle with the radius scale centered at (x,y). 
     */ 
    public Shape getShape(int series, Object category, double x, double y, double scale) { 
 
        return new Ellipse2D.Double(x - 0.5 * scale, y - 0.5 * scale, scale, scale); 
 
    } 
}