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: }
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