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