    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    }