001 /* ===========================================================
002 * JFreeChart : a free chart 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/jfreechart/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 * XYItemRendererState.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: XYItemRendererState.java,v 1.2.2.2 2007/05/04 11:12:16 mungady Exp $
036 *
037 * Changes:
038 * --------
039 * 07-Oct-2003 : Version 1 (DG);
040 * 27-Jan-2004 : Added workingLine attribute (DG);
041 * ------------- JFREECHART 1.0.x ---------------------------------------------
042 * 04-May-2007 : Added processVisibleItemsOnly flag (DG);
043 *
044 */
045
046 package org.jfree.chart.renderer.xy;
047
048 import java.awt.geom.Line2D;
049
050 import org.jfree.chart.plot.PlotRenderingInfo;
051 import org.jfree.chart.renderer.RendererState;
052
053 /**
054 * The state for an {@link XYItemRenderer}.
055 */
056 public class XYItemRendererState extends RendererState {
057
058 /**
059 * A line object that the renderer can reuse to save instantiating a lot
060 * of objects.
061 */
062 public Line2D workingLine;
063
064 /**
065 * A flag that controls whether the plot should pass ALL data items to the
066 * renderer, or just the items that will be visible.
067 *
068 * @since 1.0.6
069 */
070 private boolean processVisibleItemsOnly;
071
072 /**
073 * Creates a new state.
074 *
075 * @param info the plot rendering info.
076 */
077 public XYItemRendererState(PlotRenderingInfo info) {
078 super(info);
079 this.workingLine = new Line2D.Double();
080 this.processVisibleItemsOnly = true;
081 }
082
083 /**
084 * Returns the flag that controls whether the plot passes all data
085 * items in each series to the renderer, or just the visible items. The
086 * default value is <code>true</code>.
087 *
088 * @return A boolean.
089 *
090 * @since 1.0.6
091 *
092 * @see #setProcessVisibleItemsOnly(boolean)
093 */
094 public boolean getProcessVisibleItemsOnly() {
095 return this.processVisibleItemsOnly;
096 }
097
098 /**
099 * Sets the flag that controls whether the plot passes all data
100 * items in each series to the renderer, or just the visible items.
101 *
102 * @param flag the new flag value.
103 *
104 * @since 1.0.6
105 */
106 public void setProcessVisibleItemsOnly(boolean flag) {
107 this.processVisibleItemsOnly = flag;
108 }
109
110 }