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<HTML><BODY BGCOLOR="white"><PRE><FONT color="green">001</FONT> /* ===========================================================<a name="line.1"></a><FONT color="green">002</FONT> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a><FONT color="green">003</FONT> * ===========================================================<a name="line.3"></a><FONT color="green">004</FONT> *<a name="line.4"></a><FONT color="green">005</FONT> * (C) Copyright 2000-2006, by Object Refinery Limited and Contributors.<a name="line.5"></a><FONT color="green">006</FONT> *<a name="line.6"></a><FONT color="green">007</FONT> * Project Info: http://www.jfree.org/jfreechart/index.html<a name="line.7"></a><FONT color="green">008</FONT> *<a name="line.8"></a><FONT color="green">009</FONT> * This library is free software; you can redistribute it and/or modify it <a name="line.9"></a><FONT color="green">010</FONT> * under the terms of the GNU Lesser General Public License as published by <a name="line.10"></a><FONT color="green">011</FONT> * the Free Software Foundation; either version 2.1 of the License, or <a name="line.11"></a><FONT color="green">012</FONT> * (at your option) any later version.<a name="line.12"></a><FONT color="green">013</FONT> *<a name="line.13"></a><FONT color="green">014</FONT> * This library is distributed in the hope that it will be useful, but <a name="line.14"></a><FONT color="green">015</FONT> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY <a name="line.15"></a><FONT color="green">016</FONT> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public <a name="line.16"></a><FONT color="green">017</FONT> * License for more details.<a name="line.17"></a><FONT color="green">018</FONT> *<a name="line.18"></a><FONT color="green">019</FONT> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a><FONT color="green">020</FONT> * License along with this library; if not, write to the Free Software<a name="line.20"></a><FONT color="green">021</FONT> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, <a name="line.21"></a><FONT color="green">022</FONT> * USA. <a name="line.22"></a><FONT color="green">023</FONT> *<a name="line.23"></a><FONT color="green">024</FONT> * [Java is a trademark or registered trademark of Sun Microsystems, Inc. <a name="line.24"></a><FONT color="green">025</FONT> * in the United States and other countries.]<a name="line.25"></a><FONT color="green">026</FONT> *<a name="line.26"></a><FONT color="green">027</FONT> * ---------<a name="line.27"></a><FONT color="green">028</FONT> * Plot.java<a name="line.28"></a><FONT color="green">029</FONT> * ---------<a name="line.29"></a><FONT color="green">030</FONT> * (C) Copyright 2000-2006, by Object Refinery Limited and Contributors.<a name="line.30"></a><FONT color="green">031</FONT> *<a name="line.31"></a><FONT color="green">032</FONT> * Original Author: David Gilbert (for Object Refinery Limited);<a name="line.32"></a><FONT color="green">033</FONT> * Contributor(s): Sylvain Vieujot;<a name="line.33"></a><FONT color="green">034</FONT> * Jeremy Bowman;<a name="line.34"></a><FONT color="green">035</FONT> * Andreas Schneider;<a name="line.35"></a><FONT color="green">036</FONT> * Gideon Krause;<a name="line.36"></a><FONT color="green">037</FONT> * Nicolas Brodu;<a name="line.37"></a><FONT color="green">038</FONT> * Michal Krause;<a name="line.38"></a><FONT color="green">039</FONT> *<a name="line.39"></a><FONT color="green">040</FONT> * $Id: Plot.java,v 1.18.2.4 2006/06/30 13:04:52 mungady Exp $<a name="line.40"></a><FONT color="green">041</FONT> *<a name="line.41"></a><FONT color="green">042</FONT> * Changes (from 21-Jun-2001)<a name="line.42"></a><FONT color="green">043</FONT> * --------------------------<a name="line.43"></a><FONT color="green">044</FONT> * 21-Jun-2001 : Removed redundant JFreeChart parameter from constructors (DG);<a name="line.44"></a><FONT color="green">045</FONT> * 18-Sep-2001 : Updated header info and fixed DOS encoding problem (DG);<a name="line.45"></a><FONT color="green">046</FONT> * 19-Oct-2001 : Moved series paint and stroke methods from JFreeChart <a name="line.46"></a><FONT color="green">047</FONT> * class (DG);<a name="line.47"></a><FONT color="green">048</FONT> * 23-Oct-2001 : Created renderer for LinePlot class (DG);<a name="line.48"></a><FONT color="green">049</FONT> * 07-Nov-2001 : Changed type names for ChartChangeEvent (DG);<a name="line.49"></a><FONT color="green">050</FONT> * Tidied up some Javadoc comments (DG);<a name="line.50"></a><FONT color="green">051</FONT> * 13-Nov-2001 : Changes to allow for null axes on plots such as PiePlot (DG);<a name="line.51"></a><FONT color="green">052</FONT> * Added plot/axis compatibility checks (DG);<a name="line.52"></a><FONT color="green">053</FONT> * 12-Dec-2001 : Changed constructors to protected, and removed unnecessary <a name="line.53"></a><FONT color="green">054</FONT> * 'throws' clauses (DG);<a name="line.54"></a><FONT color="green">055</FONT> * 13-Dec-2001 : Added tooltips (DG);<a name="line.55"></a><FONT color="green">056</FONT> * 22-Jan-2002 : Added handleClick() method, as part of implementation for <a name="line.56"></a><FONT color="green">057</FONT> * crosshairs (DG);<a name="line.57"></a><FONT color="green">058</FONT> * Moved tooltips reference into ChartInfo class (DG);<a name="line.58"></a><FONT color="green">059</FONT> * 23-Jan-2002 : Added test for null axes in chartChanged() method, thanks <a name="line.59"></a><FONT color="green">060</FONT> * to Barry Evans for the bug report (number 506979 on <a name="line.60"></a><FONT color="green">061</FONT> * SourceForge) (DG);<a name="line.61"></a><FONT color="green">062</FONT> * Added a zoom() method (DG);<a name="line.62"></a><FONT color="green">063</FONT> * 05-Feb-2002 : Updated setBackgroundPaint(), setOutlineStroke() and <a name="line.63"></a><FONT color="green">064</FONT> * setOutlinePaint() to better handle null values, as suggested <a name="line.64"></a><FONT color="green">065</FONT> * by Sylvain Vieujot (DG);<a name="line.65"></a><FONT color="green">066</FONT> * 06-Feb-2002 : Added background image, plus alpha transparency for background<a name="line.66"></a><FONT color="green">067</FONT> * and foreground (DG);<a name="line.67"></a><FONT color="green">068</FONT> * 06-Mar-2002 : Added AxisConstants interface (DG);<a name="line.68"></a><FONT color="green">069</FONT> * 26-Mar-2002 : Changed zoom method from empty to abstract (DG);<a name="line.69"></a><FONT color="green">070</FONT> * 23-Apr-2002 : Moved dataset from JFreeChart class (DG);<a name="line.70"></a><FONT color="green">071</FONT> * 11-May-2002 : Added ShapeFactory interface for getShape() methods, <a name="line.71"></a><FONT color="green">072</FONT> * contributed by Jeremy Bowman (DG);<a name="line.72"></a><FONT color="green">073</FONT> * 28-May-2002 : Fixed bug in setSeriesPaint(int, Paint) for subplots (AS);<a name="line.73"></a><FONT color="green">074</FONT> * 25-Jun-2002 : Removed redundant imports (DG);<a name="line.74"></a><FONT color="green">075</FONT> * 30-Jul-2002 : Added 'no data' message for charts with null or empty <a name="line.75"></a><FONT color="green">076</FONT> * datasets (DG);<a name="line.76"></a><FONT color="green">077</FONT> * 21-Aug-2002 : Added code to extend series array if necessary (refer to <a name="line.77"></a><FONT color="green">078</FONT> * SourceForge bug id 594547 for details) (DG);<a name="line.78"></a><FONT color="green">079</FONT> * 17-Sep-2002 : Fixed bug in getSeriesOutlineStroke() method, reported by <a name="line.79"></a><FONT color="green">080</FONT> * Andreas Schroeder (DG);<a name="line.80"></a><FONT color="green">081</FONT> * 23-Sep-2002 : Added getLegendItems() abstract method (DG);<a name="line.81"></a><FONT color="green">082</FONT> * 24-Sep-2002 : Removed firstSeriesIndex, subplots now use their own paint <a name="line.82"></a><FONT color="green">083</FONT> * settings, there is a new mechanism for the legend to collect <a name="line.83"></a><FONT color="green">084</FONT> * the legend items (DG);<a name="line.84"></a><FONT color="green">085</FONT> * 27-Sep-2002 : Added dataset group (DG);<a name="line.85"></a><FONT color="green">086</FONT> * 14-Oct-2002 : Moved listener storage into EventListenerList. Changed some <a name="line.86"></a><FONT color="green">087</FONT> * abstract methods to empty implementations (DG);<a name="line.87"></a><FONT color="green">088</FONT> * 28-Oct-2002 : Added a getBackgroundImage() method (DG);<a name="line.88"></a><FONT color="green">089</FONT> * 21-Nov-2002 : Added a plot index for identifying subplots in combined and <a name="line.89"></a><FONT color="green">090</FONT> * overlaid charts (DG);<a name="line.90"></a><FONT color="green">091</FONT> * 22-Nov-2002 : Changed all attributes from 'protected' to 'private'. Added <a name="line.91"></a><FONT color="green">092</FONT> * dataAreaRatio attribute from David M O'Donnell's code (DG);<a name="line.92"></a><FONT color="green">093</FONT> * 09-Jan-2003 : Integrated fix for plot border contributed by Gideon <a name="line.93"></a><FONT color="green">094</FONT> * Krause (DG);<a name="line.94"></a><FONT color="green">095</FONT> * 17-Jan-2003 : Moved to com.jrefinery.chart.plot (DG);<a name="line.95"></a><FONT color="green">096</FONT> * 23-Jan-2003 : Removed one constructor (DG);<a name="line.96"></a><FONT color="green">097</FONT> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.97"></a><FONT color="green">098</FONT> * 14-Jul-2003 : Moved the dataset and secondaryDataset attributes to the <a name="line.98"></a><FONT color="green">099</FONT> * CategoryPlot and XYPlot classes (DG);<a name="line.99"></a><FONT color="green">100</FONT> * 21-Jul-2003 : Moved DrawingSupplier from CategoryPlot and XYPlot up to this <a name="line.100"></a><FONT color="green">101</FONT> * class (DG);<a name="line.101"></a><FONT color="green">102</FONT> * 20-Aug-2003 : Implemented Cloneable (DG);<a name="line.102"></a><FONT color="green">103</FONT> * 11-Sep-2003 : Listeners and clone (NB);<a name="line.103"></a><FONT color="green">104</FONT> * 29-Oct-2003 : Added workaround for font alignment in PDF output (DG);<a name="line.104"></a><FONT color="green">105</FONT> * 03-Dec-2003 : Modified draw method to accept anchor (DG);<a name="line.105"></a><FONT color="green">106</FONT> * 12-Mar-2004 : Fixed clipping bug in drawNoDataMessage() method (DG);<a name="line.106"></a><FONT color="green">107</FONT> * 07-Apr-2004 : Modified string bounds calculation (DG);<a name="line.107"></a><FONT color="green">108</FONT> * 04-Nov-2004 : Added default shapes for legend items (DG);<a name="line.108"></a><FONT color="green">109</FONT> * 25-Nov-2004 : Some changes to the clone() method implementation (DG);<a name="line.109"></a><FONT color="green">110</FONT> * 23-Feb-2005 : Implemented new LegendItemSource interface (and also<a name="line.110"></a><FONT color="green">111</FONT> * PublicCloneable) (DG);<a name="line.111"></a><FONT color="green">112</FONT> * 21-Apr-2005 : Replaced Insets with RectangleInsets (DG);<a name="line.112"></a><FONT color="green">113</FONT> * 05-May-2005 : Removed unused draw() method (DG);<a name="line.113"></a><FONT color="green">114</FONT> * 06-Jun-2005 : Fixed bugs in equals() method (DG);<a name="line.114"></a><FONT color="green">115</FONT> * 01-Sep-2005 : Moved dataAreaRatio from here to ContourPlot (DG);<a name="line.115"></a><FONT color="green">116</FONT> * ------------- JFREECHART 1.0.0 ---------------------------------------------<a name="line.116"></a><FONT color="green">117</FONT> * 30-Jun-2006 : Added background image alpha - see bug report 1514904 (DG);<a name="line.117"></a><FONT color="green">118</FONT> *<a name="line.118"></a><FONT color="green">119</FONT> */<a name="line.119"></a><FONT color="green">120</FONT> <a name="line.120"></a><FONT color="green">121</FONT> package org.jfree.chart.plot;<a name="line.121"></a><FONT color="green">122</FONT> <a name="line.122"></a><FONT color="green">123</FONT> import java.awt.AlphaComposite;<a name="line.123"></a><FONT color="green">124</FONT> import java.awt.BasicStroke;<a name="line.124"></a><FONT color="green">125</FONT> import java.awt.Color;<a name="line.125"></a><FONT color="green">126</FONT> import java.awt.Composite;<a name="line.126"></a><FONT color="green">127</FONT> import java.awt.Font;<a name="line.127"></a><FONT color="green">128</FONT> import java.awt.Graphics2D;<a name="line.128"></a><FONT color="green">129</FONT> import java.awt.Image;<a name="line.129"></a><FONT color="green">130</FONT> import java.awt.Paint;<a name="line.130"></a><FONT color="green">131</FONT> import java.awt.Shape;<a name="line.131"></a><FONT color="green">132</FONT> import java.awt.Stroke;<a name="line.132"></a><FONT color="green">133</FONT> import java.awt.geom.Ellipse2D;<a name="line.133"></a><FONT color="green">134</FONT> import java.awt.geom.Point2D;<a name="line.134"></a><FONT color="green">135</FONT> import java.awt.geom.Rectangle2D;<a name="line.135"></a><FONT color="green">136</FONT> import java.io.IOException;<a name="line.136"></a><FONT color="green">137</FONT> import java.io.ObjectInputStream;<a name="line.137"></a><FONT color="green">138</FONT> import java.io.ObjectOutputStream;<a name="line.138"></a><FONT color="green">139</FONT> import java.io.Serializable;<a name="line.139"></a><FONT color="green">140</FONT> <a name="line.140"></a><FONT color="green">141</FONT> import javax.swing.event.EventListenerList;<a name="line.141"></a><FONT color="green">142</FONT> <a name="line.142"></a>
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