dive4elements/river: flys-artifacts/src/main/java/de/intevation/flys/jfree/StableXYDifferenceRenderer.java annotate

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StableXYDifferenceRenderer.java @ 3804:bfaa5578e79d

Picked rev3180 from trunk. flys-artifacts/tags/pre2.6-2011-11-04@3183 c6561f87-3c4e-4783-a992-168aeb5c3f6f

author	Ingo Weinzierl <ingo.weinzierl@intevation.de>
date	Tue, 08 Nov 2011 12:23:18 +0000
parents	982956bde69e
children	0e9c0b49b4ef

rev	line source
1823 7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1 /* ===========================================================
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	2 * JFreeChart : a free chart library for the Java(tm) platform
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	3 * ===========================================================
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	4 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	5 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	6 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	7 * Project Info: http://www.jfree.org/jfreechart/index.html
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	8 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	9 * This library is free software; you can redistribute it and/or modify it
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	10 * under the terms of the GNU Lesser General Public License as published by
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	11 * the Free Software Foundation; either version 2.1 of the License, or
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	12 * (at your option) any later version.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	13 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	14 * This library is distributed in the hope that it will be useful, but
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	15 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	17 * License for more details.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	18 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	19 * You should have received a copy of the GNU Lesser General Public
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	20 * License along with this library; if not, write to the Free Software
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	22 * USA.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	23 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	24 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	25 * in the United States and other countries.]
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	26 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	27 * -------------------------
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	28 * StableXYDifferenceRenderer.java
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	29 * -------------------------
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	30 * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	31 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	32 * Original Author: David Gilbert (for Object Refinery Limited);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	33 * Contributor(s): Richard West, Advanced Micro Devices, Inc. (major rewrite
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	34 * of difference drawing algorithm);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	35 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	36 * Changes:
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	37 * --------
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	38 * 30-Apr-2003 : Version 1 (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	39 * 30-Jul-2003 : Modified entity constructor (CZ);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	40 * 20-Aug-2003 : Implemented Cloneable and PublicCloneable (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	41 * 16-Sep-2003 : Changed ChartRenderingInfo --> PlotRenderingInfo (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	42 * 09-Feb-2004 : Updated to support horizontal plot orientation (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	43 * 10-Feb-2004 : Added default constructor, setter methods and updated
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	44 * Javadocs (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	45 * 25-Feb-2004 : Replaced CrosshairInfo with CrosshairState (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	46 * 30-Mar-2004 : Fixed bug in getNegativePaint() method (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	47 * 15-Jul-2004 : Switched getX() with getXValue() and getY() with
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	48 * getYValue() (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	49 * 25-Aug-2004 : Fixed a bug preventing the use of crosshairs (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	50 * 11-Nov-2004 : Now uses ShapeUtilities to translate shapes (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	51 * 19-Jan-2005 : Now accesses only primitive values from dataset (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	52 * 22-Feb-2005 : Override getLegendItem(int, int) to return "line" items (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	53 * 13-Apr-2005 : Fixed shape positioning bug (id = 1182062) (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	54 * 20-Apr-2005 : Use generators for legend tooltips and URLs (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	55 * 04-May-2005 : Override equals() method, renamed get/setPlotShapes() -->
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	56 * get/setShapesVisible (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	57 * 09-Jun-2005 : Updated equals() to handle GradientPaint (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	58 * 16-Jun-2005 : Fix bug (1221021) affecting stroke used for each series (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	59 * ------------- JFREECHART 1.0.x ---------------------------------------------
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	60 * 24-Jan-2007 : Added flag to allow rounding of x-coordinates, and fixed
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	61 * bug in clone() (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	62 * 05-Feb-2007 : Added an extra call to updateCrosshairValues() in
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	63 * drawItemPass1(), to fix bug 1564967 (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	64 * 06-Feb-2007 : Fixed bug 1086307, crosshairs with multiple axes (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	65 * 08-Mar-2007 : Fixed entity generation (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	66 * 20-Apr-2007 : Updated getLegendItem() for renderer change (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	67 * 23-Apr-2007 : Rewrite of difference drawing algorithm to allow use of
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	68 * series with disjoint x-values (RW);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	69 * 04-May-2007 : Set processVisibleItemsOnly flag to false (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	70 * 17-May-2007 : Set datasetIndex and seriesIndex in getLegendItem() (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	71 * 18-May-2007 : Set dataset and seriesKey for LegendItem (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	72 * 05-Nov-2007 : Draw item labels if visible (RW);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	73 * 17-Jun-2008 : Apply legend shape, font and paint attributes (DG);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	74 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	75 */
1824 982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	76 package de.intevation.flys.jfree;
1823 7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	77
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	78 import java.awt.Color;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	79 import java.awt.Graphics2D;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	80 import java.awt.Paint;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	81 import java.awt.Shape;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	82 import java.awt.Stroke;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	83 import java.awt.geom.GeneralPath;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	84 import java.awt.geom.Line2D;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	85 import java.awt.geom.Rectangle2D;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	86 import java.io.IOException;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	87 import java.io.ObjectInputStream;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	88 import java.io.ObjectOutputStream;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	89 import java.util.Collections;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	90 import java.util.LinkedList;
1824 982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	91 import java.util.Iterator;
1823 7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	92
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	93 import org.jfree.chart.LegendItem;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	94 import org.jfree.chart.axis.ValueAxis;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	95 import org.jfree.chart.entity.EntityCollection;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	96 import org.jfree.chart.entity.XYItemEntity;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	97 import org.jfree.chart.event.RendererChangeEvent;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	98 import org.jfree.chart.labels.XYToolTipGenerator;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	99 import org.jfree.chart.plot.CrosshairState;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	100 import org.jfree.chart.plot.PlotOrientation;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	101 import org.jfree.chart.plot.PlotRenderingInfo;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	102 import org.jfree.chart.plot.XYPlot;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	103 import org.jfree.chart.urls.XYURLGenerator;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	104 import org.jfree.data.xy.XYDataset;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	105 import org.jfree.io.SerialUtilities;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	106 import org.jfree.ui.RectangleEdge;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	107 import org.jfree.util.PaintUtilities;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	108 import org.jfree.util.PublicCloneable;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	109 import org.jfree.util.ShapeUtilities;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	110
1824 982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	111 import org.jfree.chart.renderer.xy.AbstractXYItemRenderer;
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	112 import org.jfree.chart.renderer.xy.XYItemRenderer;
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	113 import org.jfree.chart.renderer.xy.XYItemRendererState;
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	114
1823 7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	115 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	116 * A renderer for an {@link XYPlot} that highlights the differences between two
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	117 * series. The example shown here is generated by the
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	118 * <code>DifferenceChartDemo1.java</code> program included in the JFreeChart
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	119 * demo collection:
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	120 * <br><br>
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	121 * <img src="../../../../../images/StableXYDifferenceRendererSample.png"
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	122 * alt="StableXYDifferenceRendererSample.png" />
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	123 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	124 public class StableXYDifferenceRenderer extends AbstractXYItemRenderer
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	125 implements XYItemRenderer, PublicCloneable {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	126
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	127 /** For serialization. */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	128 private static final long serialVersionUID = -8447915602375584857L;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	129
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	130 /** The paint used to highlight positive differences (y(0) > y(1)). */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	131 private transient Paint positivePaint;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	132
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	133 /** The paint used to highlight negative differences (y(0) < y(1)). */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	134 private transient Paint negativePaint;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	135
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	136 /** Display shapes at each point? */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	137 private boolean shapesVisible;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	138
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	139 /** The shape to display in the legend item. */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	140 private transient Shape legendLine;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	141
1824 982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	142 private XYDatasetToZeroMapper mapper;
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	143
1823 7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	144 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	145 * This flag controls whether or not the x-coordinates (in Java2D space)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	146 * are rounded to integers. When set to true, this can avoid the vertical
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	147 * striping that anti-aliasing can generate. However, the rounding may not
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	148 * be appropriate for output in high resolution formats (for example,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	149 * vector graphics formats such as SVG and PDF).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	150 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	151 * @since 1.0.4
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	152 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	153 private boolean roundXCoordinates;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	154
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	155 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	156 * Creates a new renderer with default attributes.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	157 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	158 public StableXYDifferenceRenderer() {
1824 982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	159 this(Color.green, Color.red, false, null);
1823 7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	160 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	161
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	162 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	163 * Creates a new renderer.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	164 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	165 * @param positivePaint the highlight color for positive differences
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	166 * (<code>null</code> not permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	167 * @param negativePaint the highlight color for negative differences
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	168 * (<code>null</code> not permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	169 * @param shapes draw shapes?
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	170 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	171 public StableXYDifferenceRenderer(Paint positivePaint, Paint negativePaint,
1824 982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	172 boolean shapes,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	173 XYDatasetToZeroMapper mapper) {
1823 7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	174 if (positivePaint == null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	175 throw new IllegalArgumentException(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	176 "Null 'positivePaint' argument.");
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	177 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	178 if (negativePaint == null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	179 throw new IllegalArgumentException(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	180 "Null 'negativePaint' argument.");
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	181 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	182 this.positivePaint = positivePaint;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	183 this.negativePaint = negativePaint;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	184 this.shapesVisible = shapes;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	185 this.legendLine = new Line2D.Double(-7.0, 0.0, 7.0, 0.0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	186 this.roundXCoordinates = false;
1824 982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	187 this.mapper = mapper;
1823 7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	188 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	189
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	190 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	191 * Returns the paint used to highlight positive differences.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	192 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	193 * @return The paint (never <code>null</code>).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	194 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	195 * @see #setPositivePaint(Paint)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	196 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	197 public Paint getPositivePaint() {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	198 return this.positivePaint;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	199 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	200
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	201 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	202 * Sets the paint used to highlight positive differences and sends a
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	203 * {@link RendererChangeEvent} to all registered listeners.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	204 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	205 * @param paint the paint (<code>null</code> not permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	206 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	207 * @see #getPositivePaint()
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	208 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	209 public void setPositivePaint(Paint paint) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	210 if (paint == null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	211 throw new IllegalArgumentException("Null 'paint' argument.");
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	212 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	213 this.positivePaint = paint;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	214 fireChangeEvent();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	215 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	216
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	217 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	218 * Returns the paint used to highlight negative differences.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	219 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	220 * @return The paint (never <code>null</code>).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	221 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	222 * @see #setNegativePaint(Paint)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	223 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	224 public Paint getNegativePaint() {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	225 return this.negativePaint;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	226 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	227
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	228 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	229 * Sets the paint used to highlight negative differences.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	230 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	231 * @param paint the paint (<code>null</code> not permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	232 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	233 * @see #getNegativePaint()
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	234 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	235 public void setNegativePaint(Paint paint) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	236 if (paint == null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	237 throw new IllegalArgumentException("Null 'paint' argument.");
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	238 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	239 this.negativePaint = paint;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	240 notifyListeners(new RendererChangeEvent(this));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	241 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	242
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	243 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	244 * Returns a flag that controls whether or not shapes are drawn for each
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	245 * data value.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	246 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	247 * @return A boolean.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	248 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	249 * @see #setShapesVisible(boolean)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	250 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	251 public boolean getShapesVisible() {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	252 return this.shapesVisible;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	253 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	254
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	255 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	256 * Sets a flag that controls whether or not shapes are drawn for each
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	257 * data value, and sends a {@link RendererChangeEvent} to all registered
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	258 * listeners.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	259 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	260 * @param flag the flag.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	261 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	262 * @see #getShapesVisible()
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	263 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	264 public void setShapesVisible(boolean flag) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	265 this.shapesVisible = flag;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	266 fireChangeEvent();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	267 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	268
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	269 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	270 * Returns the shape used to represent a line in the legend.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	271 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	272 * @return The legend line (never <code>null</code>).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	273 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	274 * @see #setLegendLine(Shape)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	275 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	276 public Shape getLegendLine() {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	277 return this.legendLine;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	278 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	279
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	280 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	281 * Sets the shape used as a line in each legend item and sends a
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	282 * {@link RendererChangeEvent} to all registered listeners.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	283 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	284 * @param line the line (<code>null</code> not permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	285 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	286 * @see #getLegendLine()
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	287 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	288 public void setLegendLine(Shape line) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	289 if (line == null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	290 throw new IllegalArgumentException("Null 'line' argument.");
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	291 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	292 this.legendLine = line;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	293 fireChangeEvent();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	294 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	295
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	296 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	297 * Returns the flag that controls whether or not the x-coordinates (in
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	298 * Java2D space) are rounded to integer values.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	299 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	300 * @return The flag.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	301 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	302 * @since 1.0.4
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	303 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	304 * @see #setRoundXCoordinates(boolean)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	305 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	306 public boolean getRoundXCoordinates() {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	307 return this.roundXCoordinates;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	308 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	309
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	310 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	311 * Sets the flag that controls whether or not the x-coordinates (in
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	312 * Java2D space) are rounded to integer values, and sends a
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	313 * {@link RendererChangeEvent} to all registered listeners.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	314 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	315 * @param round the new flag value.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	316 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	317 * @since 1.0.4
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	318 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	319 * @see #getRoundXCoordinates()
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	320 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	321 public void setRoundXCoordinates(boolean round) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	322 this.roundXCoordinates = round;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	323 fireChangeEvent();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	324 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	325
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	326 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	327 * Initialises the renderer and returns a state object that should be
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	328 * passed to subsequent calls to the drawItem() method. This method will
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	329 * be called before the first item is rendered, giving the renderer an
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	330 * opportunity to initialise any state information it wants to maintain.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	331 * The renderer can do nothing if it chooses.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	332 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	333 * @param g2 the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	334 * @param dataArea the area inside the axes.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	335 * @param plot the plot.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	336 * @param data the data.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	337 * @param info an optional info collection object to return data back to
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	338 * the caller.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	339 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	340 * @return A state object.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	341 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	342 public XYItemRendererState initialise(Graphics2D g2,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	343 Rectangle2D dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	344 XYPlot plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	345 XYDataset data,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	346 PlotRenderingInfo info) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	347
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	348 XYItemRendererState state = super.initialise(g2, dataArea, plot, data,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	349 info);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	350 state.setProcessVisibleItemsOnly(false);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	351 return state;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	352
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	353 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	354
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	355 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	356 * Returns <code>2</code>, the number of passes required by the renderer.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	357 * The {@link XYPlot} will run through the dataset this number of times.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	358 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	359 * @return The number of passes required by the renderer.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	360 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	361 public int getPassCount() {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	362 return 2;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	363 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	364
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	365 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	366 * Draws the visual representation of a single data item.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	367 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	368 * @param g2 the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	369 * @param state the renderer state.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	370 * @param dataArea the area within which the data is being drawn.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	371 * @param info collects information about the drawing.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	372 * @param plot the plot (can be used to obtain standard color
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	373 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	374 * @param domainAxis the domain (horizontal) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	375 * @param rangeAxis the range (vertical) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	376 * @param dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	377 * @param series the series index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	378 * @param item the item index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	379 * @param crosshairState crosshair information for the plot
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	380 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	381 * @param pass the pass index.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	382 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	383 public void drawItem(Graphics2D g2,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	384 XYItemRendererState state,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	385 Rectangle2D dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	386 PlotRenderingInfo info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	387 XYPlot plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	388 ValueAxis domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	389 ValueAxis rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	390 XYDataset dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	391 int series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	392 int item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	393 CrosshairState crosshairState,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	394 int pass) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	395
1824 982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	396 if (mapper == null) {
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	397 switch (pass) {
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	398 case 0:
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	399 drawItemPass0(g2, dataArea, info,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	400 plot, domainAxis, rangeAxis,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	401 dataset, series, item, crosshairState);
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	402 break;
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	403 case 1:
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	404 drawItemPass1(g2, dataArea, info,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	405 plot, domainAxis, rangeAxis,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	406 dataset, series, item, crosshairState);
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	407 }
1823 7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	408 }
1824 982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	409 else {
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	410 for (Iterator<XYDataset> iter = mapper.iterator(dataset);
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	411 iter.hasNext();
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	412 ) {
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	413 switch (pass) {
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	414 case 0:
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	415 drawItemPass0(g2, dataArea, info,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	416 plot, domainAxis, rangeAxis,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	417 dataset, series, item, crosshairState);
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	418 break;
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	419 case 1:
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	420 drawItemPass1(g2, dataArea, info,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	421 plot, domainAxis, rangeAxis,
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	422 dataset, series, item, crosshairState);
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	423 }
982956bde69e Added a dataset to zero mapper to circumvent shortcommings in XYDifferenceRenderer. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1823 diff changeset	424 } // for all segments
1823 7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	425 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	426
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	427 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	428
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	429 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	430 * Draws the visual representation of a single data item, first pass.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	431 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	432 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	433 * @param x_dataArea the area within which the data is being drawn.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	434 * @param x_info collects information about the drawing.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	435 * @param x_plot the plot (can be used to obtain standard color
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	436 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	437 * @param x_domainAxis the domain (horizontal) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	438 * @param x_rangeAxis the range (vertical) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	439 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	440 * @param x_series the series index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	441 * @param x_item the item index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	442 * @param x_crosshairState crosshair information for the plot
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	443 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	444 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	445 protected void drawItemPass0(Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	446 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	447 PlotRenderingInfo x_info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	448 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	449 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	450 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	451 XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	452 int x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	453 int x_item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	454 CrosshairState x_crosshairState) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	455
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	456 if (!((0 == x_series) && (0 == x_item))) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	457 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	458 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	459
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	460 boolean b_impliedZeroSubtrahend = (1 == x_dataset.getSeriesCount());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	461
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	462 // check if either series is a degenerate case (i.e. less than 2 points)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	463 if (isEitherSeriesDegenerate(x_dataset, b_impliedZeroSubtrahend)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	464 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	465 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	466
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	467 // check if series are disjoint (i.e. domain-spans do not overlap)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	468 if (!b_impliedZeroSubtrahend && areSeriesDisjoint(x_dataset)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	469 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	470 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	471
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	472 // polygon definitions
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	473 LinkedList l_minuendXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	474 LinkedList l_minuendYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	475 LinkedList l_subtrahendXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	476 LinkedList l_subtrahendYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	477 LinkedList l_polygonXs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	478 LinkedList l_polygonYs = new LinkedList();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	479
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	480 // state
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	481 int l_minuendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	482 int l_minuendItemCount = x_dataset.getItemCount(0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	483 Double l_minuendCurX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	484 Double l_minuendNextX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	485 Double l_minuendCurY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	486 Double l_minuendNextY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	487 double l_minuendMaxY = Double.NEGATIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	488 double l_minuendMinY = Double.POSITIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	489
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	490 int l_subtrahendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	491 int l_subtrahendItemCount = 0; // actual value set below
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	492 Double l_subtrahendCurX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	493 Double l_subtrahendNextX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	494 Double l_subtrahendCurY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	495 Double l_subtrahendNextY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	496 double l_subtrahendMaxY = Double.NEGATIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	497 double l_subtrahendMinY = Double.POSITIVE_INFINITY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	498
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	499 // if a subtrahend is not specified, assume it is zero
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	500 if (b_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	501 l_subtrahendItem = 0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	502 l_subtrahendItemCount = 2;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	503 l_subtrahendCurX = new Double(x_dataset.getXValue(0, 0));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	504 l_subtrahendNextX = new Double(x_dataset.getXValue(0,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	505 (l_minuendItemCount - 1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	506 l_subtrahendCurY = new Double(0.0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	507 l_subtrahendNextY = new Double(0.0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	508 l_subtrahendMaxY = 0.0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	509 l_subtrahendMinY = 0.0;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	510
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	511 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	512 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	513 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	514 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	515 l_subtrahendItemCount = x_dataset.getItemCount(1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	516 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	517
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	518 boolean b_minuendDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	519 boolean b_minuendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	520 boolean b_minuendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	521 boolean b_minuendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	522 boolean b_subtrahendDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	523 boolean b_subtrahendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	524 boolean b_subtrahendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	525 boolean b_subtrahendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	526 boolean b_colinear = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	527
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	528 boolean b_positive;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	529
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	530 // coordinate pairs
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	531 double l_x1 = 0.0, l_y1 = 0.0; // current minuend point
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	532 double l_x2 = 0.0, l_y2 = 0.0; // next minuend point
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	533 double l_x3 = 0.0, l_y3 = 0.0; // current subtrahend point
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	534 double l_x4 = 0.0, l_y4 = 0.0; // next subtrahend point
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	535
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	536 // fast-forward through leading tails
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	537 boolean b_fastForwardDone = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	538 while (!b_fastForwardDone) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	539 // get the x and y coordinates
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	540 l_x1 = x_dataset.getXValue(0, l_minuendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	541 l_y1 = x_dataset.getYValue(0, l_minuendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	542 l_x2 = x_dataset.getXValue(0, l_minuendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	543 l_y2 = x_dataset.getYValue(0, l_minuendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	544
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	545 l_minuendCurX = new Double(l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	546 l_minuendCurY = new Double(l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	547 l_minuendNextX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	548 l_minuendNextY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	549
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	550 if (b_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	551 l_x3 = l_subtrahendCurX.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	552 l_y3 = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	553 l_x4 = l_subtrahendNextX.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	554 l_y4 = l_subtrahendNextY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	555 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	556 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	557 l_x3 = x_dataset.getXValue(1, l_subtrahendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	558 l_y3 = x_dataset.getYValue(1, l_subtrahendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	559 l_x4 = x_dataset.getXValue(1, l_subtrahendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	560 l_y4 = x_dataset.getYValue(1, l_subtrahendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	561
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	562 l_subtrahendCurX = new Double(l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	563 l_subtrahendCurY = new Double(l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	564 l_subtrahendNextX = new Double(l_x4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	565 l_subtrahendNextY = new Double(l_y4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	566 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	567
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	568 if (l_x2 <= l_x3) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	569 // minuend needs to be fast forwarded
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	570 l_minuendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	571 b_minuendFastForward = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	572 continue;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	573 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	574
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	575 if (l_x4 <= l_x1) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	576 // subtrahend needs to be fast forwarded
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	577 l_subtrahendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	578 b_subtrahendFastForward = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	579 continue;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	580 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	581
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	582 // check if initial polygon needs to be clipped
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	583 if ((l_x3 < l_x1) && (l_x1 < l_x4)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	584 // project onto subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	585 double l_slope = (l_y4 - l_y3) / (l_x4 - l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	586 l_subtrahendCurX = l_minuendCurX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	587 l_subtrahendCurY = new Double((l_slope * l_x1)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	588 + (l_y3 - (l_slope * l_x3)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	589
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	590 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	591 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	592 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	593
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	594 if ((l_x1 < l_x3) && (l_x3 < l_x2)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	595 // project onto minuend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	596 double l_slope = (l_y2 - l_y1) / (l_x2 - l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	597 l_minuendCurX = l_subtrahendCurX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	598 l_minuendCurY = new Double((l_slope * l_x3)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	599 + (l_y1 - (l_slope * l_x1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	600
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	601 l_minuendXs.add(l_minuendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	602 l_minuendYs.add(l_minuendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	603 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	604
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	605 l_minuendMaxY = l_minuendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	606 l_minuendMinY = l_minuendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	607 l_subtrahendMaxY = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	608 l_subtrahendMinY = l_subtrahendCurY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	609
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	610 b_fastForwardDone = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	611 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	612
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	613 // start of algorithm
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	614 while (!b_minuendDone && !b_subtrahendDone) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	615 if (!b_minuendDone && !b_minuendFastForward && b_minuendAdvanced) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	616 l_x1 = x_dataset.getXValue(0, l_minuendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	617 l_y1 = x_dataset.getYValue(0, l_minuendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	618 l_minuendCurX = new Double(l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	619 l_minuendCurY = new Double(l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	620
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	621 if (!b_minuendAtIntersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	622 l_minuendXs.add(l_minuendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	623 l_minuendYs.add(l_minuendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	624 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	625
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	626 l_minuendMaxY = Math.max(l_minuendMaxY, l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	627 l_minuendMinY = Math.min(l_minuendMinY, l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	628
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	629 l_x2 = x_dataset.getXValue(0, l_minuendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	630 l_y2 = x_dataset.getYValue(0, l_minuendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	631 l_minuendNextX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	632 l_minuendNextY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	633 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	634
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	635 // never updated the subtrahend if it is implied to be zero
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	636 if (!b_impliedZeroSubtrahend && !b_subtrahendDone
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	637 && !b_subtrahendFastForward && b_subtrahendAdvanced) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	638 l_x3 = x_dataset.getXValue(1, l_subtrahendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	639 l_y3 = x_dataset.getYValue(1, l_subtrahendItem);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	640 l_subtrahendCurX = new Double(l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	641 l_subtrahendCurY = new Double(l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	642
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	643 if (!b_subtrahendAtIntersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	644 l_subtrahendXs.add(l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	645 l_subtrahendYs.add(l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	646 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	647
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	648 l_subtrahendMaxY = Math.max(l_subtrahendMaxY, l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	649 l_subtrahendMinY = Math.min(l_subtrahendMinY, l_y3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	650
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	651 l_x4 = x_dataset.getXValue(1, l_subtrahendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	652 l_y4 = x_dataset.getYValue(1, l_subtrahendItem + 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	653 l_subtrahendNextX = new Double(l_x4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	654 l_subtrahendNextY = new Double(l_y4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	655 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	656
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	657 // deassert b_*FastForward (only matters for 1st time through loop)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	658 b_minuendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	659 b_subtrahendFastForward = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	660
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	661 Double l_intersectX = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	662 Double l_intersectY = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	663 boolean b_intersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	664
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	665 b_minuendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	666 b_subtrahendAtIntersect = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	667
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	668 // check for intersect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	669 if ((l_x2 == l_x4) && (l_y2 == l_y4)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	670 // check if line segments are colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	671 if ((l_x1 == l_x3) && (l_y1 == l_y3)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	672 b_colinear = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	673 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	674 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	675 // the intersect is at the next point for both the minuend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	676 // and subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	677 l_intersectX = new Double(l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	678 l_intersectY = new Double(l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	679
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	680 b_intersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	681 b_minuendAtIntersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	682 b_subtrahendAtIntersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	683 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	684 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	685 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	686 // compute common denominator
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	687 double l_denominator = ((l_y4 - l_y3) * (l_x2 - l_x1))
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	688 - ((l_x4 - l_x3) * (l_y2 - l_y1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	689
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	690 // compute common deltas
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	691 double l_deltaY = l_y1 - l_y3;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	692 double l_deltaX = l_x1 - l_x3;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	693
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	694 // compute numerators
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	695 double l_numeratorA = ((l_x4 - l_x3) * l_deltaY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	696 - ((l_y4 - l_y3) * l_deltaX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	697 double l_numeratorB = ((l_x2 - l_x1) * l_deltaY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	698 - ((l_y2 - l_y1) * l_deltaX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	699
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	700 // check if line segments are colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	701 if ((0 == l_numeratorA) && (0 == l_numeratorB)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	702 && (0 == l_denominator)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	703 b_colinear = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	704 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	705 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	706 // check if previously colinear
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	707 if (b_colinear) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	708 // clear colinear points and flag
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	709 l_minuendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	710 l_minuendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	711 l_subtrahendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	712 l_subtrahendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	713 l_polygonXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	714 l_polygonYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	715
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	716 b_colinear = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	717
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	718 // set new starting point for the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	719 boolean b_useMinuend = ((l_x3 <= l_x1)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	720 && (l_x1 <= l_x4));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	721 l_polygonXs.add(b_useMinuend ? l_minuendCurX
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	722 : l_subtrahendCurX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	723 l_polygonYs.add(b_useMinuend ? l_minuendCurY
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	724 : l_subtrahendCurY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	725 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	726
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	727 // compute slope components
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	728 double l_slopeA = l_numeratorA / l_denominator;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	729 double l_slopeB = l_numeratorB / l_denominator;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	730
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	731 // check if the line segments intersect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	732 if ((0 < l_slopeA) && (l_slopeA <= 1) && (0 < l_slopeB)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	733 && (l_slopeB <= 1)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	734 // compute the point of intersection
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	735 double l_xi = l_x1 + (l_slopeA * (l_x2 - l_x1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	736 double l_yi = l_y1 + (l_slopeA * (l_y2 - l_y1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	737
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	738 l_intersectX = new Double(l_xi);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	739 l_intersectY = new Double(l_yi);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	740 b_intersect = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	741 b_minuendAtIntersect = ((l_xi == l_x2)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	742 && (l_yi == l_y2));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	743 b_subtrahendAtIntersect = ((l_xi == l_x4)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	744 && (l_yi == l_y4));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	745
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	746 // advance minuend and subtrahend to intesect
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	747 l_minuendCurX = l_intersectX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	748 l_minuendCurY = l_intersectY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	749 l_subtrahendCurX = l_intersectX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	750 l_subtrahendCurY = l_intersectY;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	751 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	752 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	753 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	754
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	755 if (b_intersect) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	756 // create the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	757 // add the minuend's points to polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	758 l_polygonXs.addAll(l_minuendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	759 l_polygonYs.addAll(l_minuendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	760
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	761 // add intersection point to the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	762 l_polygonXs.add(l_intersectX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	763 l_polygonYs.add(l_intersectY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	764
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	765 // add the subtrahend's points to the polygon in reverse
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	766 Collections.reverse(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	767 Collections.reverse(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	768 l_polygonXs.addAll(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	769 l_polygonYs.addAll(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	770
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	771 // create an actual polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	772 b_positive = (l_subtrahendMaxY <= l_minuendMaxY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	773 && (l_subtrahendMinY <= l_minuendMinY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	774 createPolygon(x_graphics, x_dataArea, x_plot, x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	775 x_rangeAxis, b_positive, l_polygonXs, l_polygonYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	776
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	777 // clear the point vectors
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	778 l_minuendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	779 l_minuendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	780 l_subtrahendXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	781 l_subtrahendYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	782 l_polygonXs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	783 l_polygonYs.clear();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	784
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	785 // set the maxY and minY values to intersect y-value
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	786 double l_y = l_intersectY.doubleValue();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	787 l_minuendMaxY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	788 l_subtrahendMaxY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	789 l_minuendMinY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	790 l_subtrahendMinY = l_y;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	791
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	792 // add interection point to new polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	793 l_polygonXs.add(l_intersectX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	794 l_polygonYs.add(l_intersectY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	795 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	796
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	797 // advance the minuend if needed
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	798 if (l_x2 <= l_x4) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	799 l_minuendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	800 b_minuendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	801 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	802 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	803 b_minuendAdvanced = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	804 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	805
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	806 // advance the subtrahend if needed
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	807 if (l_x4 <= l_x2) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	808 l_subtrahendItem++;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	809 b_subtrahendAdvanced = true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	810 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	811 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	812 b_subtrahendAdvanced = false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	813 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	814
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	815 b_minuendDone = (l_minuendItem == (l_minuendItemCount - 1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	816 b_subtrahendDone = (l_subtrahendItem == (l_subtrahendItemCount
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	817 - 1));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	818 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	819
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	820 // check if the final polygon needs to be clipped
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	821 if (b_minuendDone && (l_x3 < l_x2) && (l_x2 < l_x4)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	822 // project onto subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	823 double l_slope = (l_y4 - l_y3) / (l_x4 - l_x3);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	824 l_subtrahendNextX = l_minuendNextX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	825 l_subtrahendNextY = new Double((l_slope * l_x2)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	826 + (l_y3 - (l_slope * l_x3)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	827 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	828
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	829 if (b_subtrahendDone && (l_x1 < l_x4) && (l_x4 < l_x2)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	830 // project onto minuend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	831 double l_slope = (l_y2 - l_y1) / (l_x2 - l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	832 l_minuendNextX = l_subtrahendNextX;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	833 l_minuendNextY = new Double((l_slope * l_x4)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	834 + (l_y1 - (l_slope * l_x1)));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	835 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	836
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	837 // consider last point of minuend and subtrahend for determining
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	838 // positivity
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	839 l_minuendMaxY = Math.max(l_minuendMaxY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	840 l_minuendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	841 l_subtrahendMaxY = Math.max(l_subtrahendMaxY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	842 l_subtrahendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	843 l_minuendMinY = Math.min(l_minuendMinY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	844 l_minuendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	845 l_subtrahendMinY = Math.min(l_subtrahendMinY,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	846 l_subtrahendNextY.doubleValue());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	847
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	848 // add the last point of the minuned and subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	849 l_minuendXs.add(l_minuendNextX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	850 l_minuendYs.add(l_minuendNextY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	851 l_subtrahendXs.add(l_subtrahendNextX);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	852 l_subtrahendYs.add(l_subtrahendNextY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	853
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	854 // create the polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	855 // add the minuend's points to polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	856 l_polygonXs.addAll(l_minuendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	857 l_polygonYs.addAll(l_minuendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	858
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	859 // add the subtrahend's points to the polygon in reverse
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	860 Collections.reverse(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	861 Collections.reverse(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	862 l_polygonXs.addAll(l_subtrahendXs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	863 l_polygonYs.addAll(l_subtrahendYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	864
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	865 // create an actual polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	866 b_positive = (l_subtrahendMaxY <= l_minuendMaxY)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	867 && (l_subtrahendMinY <= l_minuendMinY);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	868 createPolygon(x_graphics, x_dataArea, x_plot, x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	869 x_rangeAxis, b_positive, l_polygonXs, l_polygonYs);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	870 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	871
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	872 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	873 * Draws the visual representation of a single data item, second pass. In
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	874 * the second pass, the renderer draws the lines and shapes for the
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	875 * individual points in the two series.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	876 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	877 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	878 * @param x_dataArea the area within which the data is being drawn.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	879 * @param x_info collects information about the drawing.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	880 * @param x_plot the plot (can be used to obtain standard color
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	881 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	882 * @param x_domainAxis the domain (horizontal) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	883 * @param x_rangeAxis the range (vertical) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	884 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	885 * @param x_series the series index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	886 * @param x_item the item index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	887 * @param x_crosshairState crosshair information for the plot
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	888 * (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	889 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	890 protected void drawItemPass1(Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	891 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	892 PlotRenderingInfo x_info,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	893 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	894 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	895 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	896 XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	897 int x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	898 int x_item,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	899 CrosshairState x_crosshairState) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	900
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	901 Shape l_entityArea = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	902 EntityCollection l_entities = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	903 if (null != x_info) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	904 l_entities = x_info.getOwner().getEntityCollection();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	905 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	906
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	907 Paint l_seriesPaint = getItemPaint(x_series, x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	908 Stroke l_seriesStroke = getItemStroke(x_series, x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	909 x_graphics.setPaint(l_seriesPaint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	910 x_graphics.setStroke(l_seriesStroke);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	911
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	912 PlotOrientation l_orientation = x_plot.getOrientation();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	913 RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	914 RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	915
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	916 double l_x0 = x_dataset.getXValue(x_series, x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	917 double l_y0 = x_dataset.getYValue(x_series, x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	918 double l_x1 = x_domainAxis.valueToJava2D(l_x0, x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	919 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	920 double l_y1 = x_rangeAxis.valueToJava2D(l_y0, x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	921 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	922
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	923 if (getShapesVisible()) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	924 Shape l_shape = getItemShape(x_series, x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	925 if (l_orientation == PlotOrientation.HORIZONTAL) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	926 l_shape = ShapeUtilities.createTranslatedShape(l_shape,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	927 l_y1, l_x1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	928 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	929 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	930 l_shape = ShapeUtilities.createTranslatedShape(l_shape,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	931 l_x1, l_y1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	932 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	933 if (l_shape.intersects(x_dataArea)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	934 x_graphics.setPaint(getItemPaint(x_series, x_item));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	935 x_graphics.fill(l_shape);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	936 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	937 l_entityArea = l_shape;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	938 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	939
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	940 // add an entity for the item...
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	941 if (null != l_entities) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	942 if (null == l_entityArea) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	943 l_entityArea = new Rectangle2D.Double((l_x1 - 2), (l_y1 - 2),
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	944 4, 4);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	945 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	946 String l_tip = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	947 XYToolTipGenerator l_tipGenerator = getToolTipGenerator(x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	948 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	949 if (null != l_tipGenerator) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	950 l_tip = l_tipGenerator.generateToolTip(x_dataset, x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	951 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	952 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	953 String l_url = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	954 XYURLGenerator l_urlGenerator = getURLGenerator();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	955 if (null != l_urlGenerator) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	956 l_url = l_urlGenerator.generateURL(x_dataset, x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	957 x_item);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	958 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	959 XYItemEntity l_entity = new XYItemEntity(l_entityArea, x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	960 x_series, x_item, l_tip, l_url);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	961 l_entities.add(l_entity);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	962 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	963
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	964 // draw the item label if there is one...
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	965 if (isItemLabelVisible(x_series, x_item)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	966 drawItemLabel(x_graphics, l_orientation, x_dataset, x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	967 x_item, l_x1, l_y1, (l_y1 < 0.0));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	968 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	969
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	970 int l_domainAxisIndex = x_plot.getDomainAxisIndex(x_domainAxis);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	971 int l_rangeAxisIndex = x_plot.getRangeAxisIndex(x_rangeAxis);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	972 updateCrosshairValues(x_crosshairState, l_x0, l_y0, l_domainAxisIndex,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	973 l_rangeAxisIndex, l_x1, l_y1, l_orientation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	974
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	975 if (0 == x_item) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	976 return;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	977 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	978
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	979 double l_x2 = x_domainAxis.valueToJava2D(x_dataset.getXValue(x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	980 (x_item - 1)), x_dataArea, l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	981 double l_y2 = x_rangeAxis.valueToJava2D(x_dataset.getYValue(x_series,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	982 (x_item - 1)), x_dataArea, l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	983
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	984 Line2D l_line = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	985 if (PlotOrientation.HORIZONTAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	986 l_line = new Line2D.Double(l_y1, l_x1, l_y2, l_x2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	987 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	988 else if (PlotOrientation.VERTICAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	989 l_line = new Line2D.Double(l_x1, l_y1, l_x2, l_y2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	990 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	991
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	992 if ((null != l_line) && l_line.intersects(x_dataArea)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	993 x_graphics.setPaint(getItemPaint(x_series, x_item));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	994 x_graphics.setStroke(getItemStroke(x_series, x_item));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	995 x_graphics.draw(l_line);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	996 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	997 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	998
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	999 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1000 * Determines if a dataset is degenerate. A degenerate dataset is a
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1001 * dataset where either series has less than two (2) points.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1002 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1003 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1004 * @param x_impliedZeroSubtrahend if false, do not check the subtrahend
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1005 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1006 * @return true if the dataset is degenerate.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1007 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1008 private boolean isEitherSeriesDegenerate(XYDataset x_dataset,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1009 boolean x_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1010
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1011 if (x_impliedZeroSubtrahend) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1012 return (x_dataset.getItemCount(0) < 2);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1013 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1014
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1015 return ((x_dataset.getItemCount(0) < 2)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1016 \|\| (x_dataset.getItemCount(1) < 2));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1017 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1018
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1019 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1020 * Determines if the two (2) series are disjoint.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1021 * Disjoint series do not overlap in the domain space.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1022 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1023 * @param x_dataset the dataset.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1024 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1025 * @return true if the dataset is degenerate.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1026 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1027 private boolean areSeriesDisjoint(XYDataset x_dataset) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1028
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1029 int l_minuendItemCount = x_dataset.getItemCount(0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1030 double l_minuendFirst = x_dataset.getXValue(0, 0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1031 double l_minuendLast = x_dataset.getXValue(0, l_minuendItemCount - 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1032
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1033 int l_subtrahendItemCount = x_dataset.getItemCount(1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1034 double l_subtrahendFirst = x_dataset.getXValue(1, 0);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1035 double l_subtrahendLast = x_dataset.getXValue(1,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1036 l_subtrahendItemCount - 1);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1037
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1038 return ((l_minuendLast < l_subtrahendFirst)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1039 \|\| (l_subtrahendLast < l_minuendFirst));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1040 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1041
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1042 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1043 * Draws the visual representation of a polygon
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1044 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1045 * @param x_graphics the graphics device.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1046 * @param x_dataArea the area within which the data is being drawn.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1047 * @param x_plot the plot (can be used to obtain standard color
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1048 * information etc).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1049 * @param x_domainAxis the domain (horizontal) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1050 * @param x_rangeAxis the range (vertical) axis.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1051 * @param x_positive indicates if the polygon is positive (true) or
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1052 * negative (false).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1053 * @param x_xValues a linked list of the x values (expects values to be
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1054 * of type Double).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1055 * @param x_yValues a linked list of the y values (expects values to be
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1056 * of type Double).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1057 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1058 private void createPolygon (Graphics2D x_graphics,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1059 Rectangle2D x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1060 XYPlot x_plot,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1061 ValueAxis x_domainAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1062 ValueAxis x_rangeAxis,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1063 boolean x_positive,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1064 LinkedList x_xValues,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1065 LinkedList x_yValues) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1066
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1067 PlotOrientation l_orientation = x_plot.getOrientation();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1068 RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1069 RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1070
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1071 Object[] l_xValues = x_xValues.toArray();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1072 Object[] l_yValues = x_yValues.toArray();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1073
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1074 GeneralPath l_path = new GeneralPath();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1075
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1076 if (PlotOrientation.VERTICAL == l_orientation) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1077 double l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1078 (Double) l_xValues[0]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1079 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1080 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1081 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1082 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1083
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1084 double l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1085 (Double) l_yValues[0]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1086 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1087
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1088 l_path.moveTo((float) l_x, (float) l_y);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1089 for (int i = 1; i < l_xValues.length; i++) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1090 l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1091 (Double) l_xValues[i]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1092 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1093 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1094 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1095 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1096
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1097 l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1098 (Double) l_yValues[i]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1099 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1100 l_path.lineTo((float) l_x, (float) l_y);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1101 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1102 l_path.closePath();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1103 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1104 else {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1105 double l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1106 (Double) l_xValues[0]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1107 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1108 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1109 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1110 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1111
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1112 double l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1113 (Double) l_yValues[0]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1114 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1115
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1116 l_path.moveTo((float) l_y, (float) l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1117 for (int i = 1; i < l_xValues.length; i++) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1118 l_x = x_domainAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1119 (Double) l_xValues[i]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1120 l_domainAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1121 if (this.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1122 l_x = Math.rint(l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1123 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1124
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1125 l_y = x_rangeAxis.valueToJava2D((
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1126 (Double) l_yValues[i]).doubleValue(), x_dataArea,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1127 l_rangeAxisLocation);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1128 l_path.lineTo((float) l_y, (float) l_x);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1129 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1130 l_path.closePath();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1131 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1132
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1133 if (l_path.intersects(x_dataArea)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1134 x_graphics.setPaint(x_positive ? getPositivePaint()
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1135 : getNegativePaint());
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1136 x_graphics.fill(l_path);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1137 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1138 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1139
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1140 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1141 * Returns a default legend item for the specified series. Subclasses
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1142 * should override this method to generate customised items.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1143 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1144 * @param datasetIndex the dataset index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1145 * @param series the series index (zero-based).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1146 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1147 * @return A legend item for the series.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1148 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1149 public LegendItem getLegendItem(int datasetIndex, int series) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1150 LegendItem result = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1151 XYPlot p = getPlot();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1152 if (p != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1153 XYDataset dataset = p.getDataset(datasetIndex);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1154 if (dataset != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1155 if (getItemVisible(series, 0)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1156 String label = getLegendItemLabelGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1157 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1158 String description = label;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1159 String toolTipText = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1160 if (getLegendItemToolTipGenerator() != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1161 toolTipText
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1162 = getLegendItemToolTipGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1163 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1164 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1165 String urlText = null;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1166 if (getLegendItemURLGenerator() != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1167 urlText = getLegendItemURLGenerator().generateLabel(
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1168 dataset, series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1169 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1170 Paint paint = lookupSeriesPaint(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1171 Stroke stroke = lookupSeriesStroke(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1172 Shape line = getLegendLine();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1173 result = new LegendItem(label, description,
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1174 toolTipText, urlText, line, stroke, paint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1175 result.setLabelFont(lookupLegendTextFont(series));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1176 Paint labelPaint = lookupLegendTextPaint(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1177 if (labelPaint != null) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1178 result.setLabelPaint(labelPaint);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1179 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1180 result.setDataset(dataset);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1181 result.setDatasetIndex(datasetIndex);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1182 result.setSeriesKey(dataset.getSeriesKey(series));
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1183 result.setSeriesIndex(series);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1184 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1185 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1186
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1187 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1188
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1189 return result;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1190
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1191 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1192
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1193 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1194 * Tests this renderer for equality with an arbitrary object.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1195 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1196 * @param obj the object (<code>null</code> permitted).
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1197 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1198 * @return A boolean.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1199 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1200 public boolean equals(Object obj) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1201 if (obj == this) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1202 return true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1203 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1204 if (!(obj instanceof StableXYDifferenceRenderer)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1205 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1206 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1207 if (!super.equals(obj)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1208 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1209 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1210 StableXYDifferenceRenderer that = (StableXYDifferenceRenderer) obj;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1211 if (!PaintUtilities.equal(this.positivePaint, that.positivePaint)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1212 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1213 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1214 if (!PaintUtilities.equal(this.negativePaint, that.negativePaint)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1215 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1216 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1217 if (this.shapesVisible != that.shapesVisible) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1218 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1219 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1220 if (!ShapeUtilities.equal(this.legendLine, that.legendLine)) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1221 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1222 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1223 if (this.roundXCoordinates != that.roundXCoordinates) {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1224 return false;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1225 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1226 return true;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1227 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1228
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1229 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1230 * Returns a clone of the renderer.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1231 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1232 * @return A clone.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1233 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1234 * @throws CloneNotSupportedException if the renderer cannot be cloned.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1235 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1236 public Object clone() throws CloneNotSupportedException {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1237 StableXYDifferenceRenderer clone = (StableXYDifferenceRenderer) super.clone();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1238 clone.legendLine = ShapeUtilities.clone(this.legendLine);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1239 return clone;
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1240 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1241
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1242 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1243 * Provides serialization support.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1244 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1245 * @param stream the output stream.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1246 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1247 * @throws IOException if there is an I/O error.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1248 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1249 private void writeObject(ObjectOutputStream stream) throws IOException {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1250 stream.defaultWriteObject();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1251 SerialUtilities.writePaint(this.positivePaint, stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1252 SerialUtilities.writePaint(this.negativePaint, stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1253 SerialUtilities.writeShape(this.legendLine, stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1254 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1255
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1256 /**
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1257 * Provides serialization support.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1258 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1259 * @param stream the input stream.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1260 *
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1261 * @throws IOException if there is an I/O error.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1262 * @throws ClassNotFoundException if there is a classpath problem.
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1263 */
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1264 private void readObject(ObjectInputStream stream)
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1265 throws IOException, ClassNotFoundException {
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1266 stream.defaultReadObject();
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1267 this.positivePaint = SerialUtilities.readPaint(stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1268 this.negativePaint = SerialUtilities.readPaint(stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1269 this.legendLine = SerialUtilities.readShape(stream);
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1270 }
7a11b37d8594 Added a copy of JFreeChart's XYDifferenceRenderer Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	1271 }

Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StableXYDifferenceRenderer.java @ 3804:bfaa5578e79d