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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> * JFreeChart.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): Andrzej Porebski;<a name="line.33"></a><FONT color="green">034</FONT> * David Li;<a name="line.34"></a><FONT color="green">035</FONT> * Wolfgang Irler;<a name="line.35"></a><FONT color="green">036</FONT> * Christian W. Zuckschwerdt;<a name="line.36"></a><FONT color="green">037</FONT> * Klaus Rheinwald;<a name="line.37"></a><FONT color="green">038</FONT> * Nicolas Brodu;<a name="line.38"></a><FONT color="green">039</FONT> *<a name="line.39"></a><FONT color="green">040</FONT> * $Id: JFreeChart.java,v 1.34.2.10 2006/08/25 13:52:50 mungady Exp $<a name="line.40"></a><FONT color="green">041</FONT> *<a name="line.41"></a><FONT color="green">042</FONT> * Changes (from 20-Jun-2001)<a name="line.42"></a><FONT color="green">043</FONT> * --------------------------<a name="line.43"></a><FONT color="green">044</FONT> * 20-Jun-2001 : Modifications submitted by Andrzej Porebski for legend <a name="line.44"></a><FONT color="green">045</FONT> * placement;<a name="line.45"></a><FONT color="green">046</FONT> * 21-Jun-2001 : Removed JFreeChart parameter from Plot constructors (DG);<a name="line.46"></a><FONT color="green">047</FONT> * 22-Jun-2001 : Multiple titles added (original code by David Berry, with <a name="line.47"></a><FONT color="green">048</FONT> * reworkings by DG);<a name="line.48"></a><FONT color="green">049</FONT> * 18-Sep-2001 : Updated header (DG);<a name="line.49"></a><FONT color="green">050</FONT> * 15-Oct-2001 : Moved data source classes into new package <a name="line.50"></a><FONT color="green">051</FONT> * com.jrefinery.data.* (DG);<a name="line.51"></a><FONT color="green">052</FONT> * 18-Oct-2001 : New factory method for creating VerticalXYBarChart (DG);<a name="line.52"></a><FONT color="green">053</FONT> * 19-Oct-2001 : Moved series paint and stroke methods to the Plot class (DG);<a name="line.53"></a><FONT color="green">054</FONT> * Moved static chart creation methods to new ChartFactory <a name="line.54"></a><FONT color="green">055</FONT> * class (DG);<a name="line.55"></a><FONT color="green">056</FONT> * 22-Oct-2001 : Renamed DataSource.java --> Dataset.java etc. (DG);<a name="line.56"></a><FONT color="green">057</FONT> * Fixed bug where chart isn't registered with the dataset (DG);<a name="line.57"></a><FONT color="green">058</FONT> * 07-Nov-2001 : Fixed bug where null title in constructor causes <a name="line.58"></a><FONT color="green">059</FONT> * exception (DG);<a name="line.59"></a><FONT color="green">060</FONT> * Tidied up event notification code (DG);<a name="line.60"></a><FONT color="green">061</FONT> * 17-Nov-2001 : Added getLegendItemCount() method (DG);<a name="line.61"></a><FONT color="green">062</FONT> * 21-Nov-2001 : Set clipping in draw method to ensure that nothing gets drawn <a name="line.62"></a><FONT color="green">063</FONT> * outside the chart area (DG);<a name="line.63"></a><FONT color="green">064</FONT> * 11-Dec-2001 : Added the createBufferedImage() method, taken from the <a name="line.64"></a><FONT color="green">065</FONT> * JFreeChartServletDemo class (DG);<a name="line.65"></a><FONT color="green">066</FONT> * 13-Dec-2001 : Added tooltips (DG);<a name="line.66"></a><FONT color="green">067</FONT> * 16-Jan-2002 : Added handleClick() method (DG);<a name="line.67"></a><FONT color="green">068</FONT> * 22-Jan-2002 : Fixed bug correlating legend labels with pie data (DG);<a name="line.68"></a><FONT color="green">069</FONT> * 05-Feb-2002 : Removed redundant tooltips code (DG);<a name="line.69"></a><FONT color="green">070</FONT> * 19-Feb-2002 : Added accessor methods for the backgroundImage and <a name="line.70"></a><FONT color="green">071</FONT> * backgroundImageAlpha attributes (DG);<a name="line.71"></a><FONT color="green">072</FONT> * 21-Feb-2002 : Added static fields for INFO, COPYRIGHT, LICENCE, CONTRIBUTORS<a name="line.72"></a><FONT color="green">073</FONT> * and LIBRARIES. These can be used to display information about<a name="line.73"></a><FONT color="green">074</FONT> * JFreeChart (DG);<a name="line.74"></a><FONT color="green">075</FONT> * 06-Mar-2002 : Moved constants to JFreeChartConstants interface (DG);<a name="line.75"></a><FONT color="green">076</FONT> * 18-Apr-2002 : PieDataset is no longer sorted (oldman);<a name="line.76"></a><FONT color="green">077</FONT> * 23-Apr-2002 : Moved dataset to the Plot class (DG);<a name="line.77"></a><FONT color="green">078</FONT> * 13-Jun-2002 : Added an extra draw() method (DG);<a name="line.78"></a><FONT color="green">079</FONT> * 25-Jun-2002 : Implemented the Drawable interface and removed redundant <a name="line.79"></a><FONT color="green">080</FONT> * imports (DG);<a name="line.80"></a><FONT color="green">081</FONT> * 26-Jun-2002 : Added another createBufferedImage() method (DG);<a name="line.81"></a><FONT color="green">082</FONT> * 18-Sep-2002 : Fixed issues reported by Checkstyle (DG);<a name="line.82"></a><FONT color="green">083</FONT> * 23-Sep-2002 : Added new contributor (DG);<a name="line.83"></a><FONT color="green">084</FONT> * 28-Oct-2002 : Created main title and subtitle list to replace existing title<a name="line.84"></a><FONT color="green">085</FONT> * list (DG);<a name="line.85"></a><FONT color="green">086</FONT> * 08-Jan-2003 : Added contributor (DG);<a name="line.86"></a><FONT color="green">087</FONT> * 17-Jan-2003 : Added new constructor (DG);<a name="line.87"></a><FONT color="green">088</FONT> * 22-Jan-2003 : Added ChartColor class by Cameron Riley, and background image <a name="line.88"></a><FONT color="green">089</FONT> * alignment code by Christian W. Zuckschwerdt (DG);<a name="line.89"></a><FONT color="green">090</FONT> * 11-Feb-2003 : Added flag to allow suppression of chart change events, based <a name="line.90"></a><FONT color="green">091</FONT> * on a suggestion by Klaus Rheinwald (DG);<a name="line.91"></a><FONT color="green">092</FONT> * 04-Mar-2003 : Added small fix for suppressed chart change events (see bug id<a name="line.92"></a><FONT color="green">093</FONT> * 690865) (DG);<a name="line.93"></a><FONT color="green">094</FONT> * 10-Mar-2003 : Added Benoit Xhenseval to contributors (DG);<a name="line.94"></a><FONT color="green">095</FONT> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.95"></a><FONT color="green">096</FONT> * 15-Jul-2003 : Added an optional border for the chart (DG);<a name="line.96"></a><FONT color="green">097</FONT> * 11-Sep-2003 : Took care of listeners while cloning (NB);<a name="line.97"></a><FONT color="green">098</FONT> * 16-Sep-2003 : Changed ChartRenderingInfo --> PlotRenderingInfo (DG);<a name="line.98"></a><FONT color="green">099</FONT> * 22-Sep-2003 : Added nullpointer checks.<a name="line.99"></a><FONT color="green">100</FONT> * 25-Sep-2003 : Added nullpointer checks too (NB).<a name="line.100"></a><FONT color="green">101</FONT> * 03-Dec-2003 : Legends are now registered by this class instead of using the <a name="line.101"></a><FONT color="green">102</FONT> * old constructor way (TM);<a name="line.102"></a><FONT color="green">103</FONT> * 03-Dec-2003 : Added anchorPoint to draw() method (DG);<a name="line.103"></a><FONT color="green">104</FONT> * 08-Jan-2004 : Reworked title code, introducing line wrapping (DG);<a name="line.104"></a><FONT color="green">105</FONT> * 09-Feb-2004 : Created additional createBufferedImage() method (DG);<a name="line.105"></a><FONT color="green">106</FONT> * 05-Apr-2004 : Added new createBufferedImage() method (DG);<a name="line.106"></a><FONT color="green">107</FONT> * 27-May-2004 : Moved constants from JFreeChartConstants.java back to this <a name="line.107"></a><FONT color="green">108</FONT> * class (DG);<a name="line.108"></a><FONT color="green">109</FONT> * 25-Nov-2004 : Updates for changes to Title class (DG);<a name="line.109"></a><FONT color="green">110</FONT> * 06-Jan-2005 : Change lookup for default background color (DG);<a name="line.110"></a><FONT color="green">111</FONT> * 31-Jan-2005 : Added Don Elliott to contributors (DG);<a name="line.111"></a><FONT color="green">112</FONT> * 02-Feb-2005 : Added clearSubtitles() method (DG);<a name="line.112"></a><FONT color="green">113</FONT> * 03-Feb-2005 : Added Mofeed Shahin to contributors (DG);<a name="line.113"></a><FONT color="green">114</FONT> * 08-Feb-2005 : Updated for RectangleConstraint changes (DG);<a name="line.114"></a><FONT color="green">115</FONT> * 28-Mar-2005 : Renamed Legend --> OldLegend (DG);<a name="line.115"></a><FONT color="green">116</FONT> * 12-Apr-2005 : Added methods to access legend(s) in subtitle list (DG);<a name="line.116"></a><FONT color="green">117</FONT> * 13-Apr-2005 : Added removeLegend() and removeSubtitle() methods (DG);<a name="line.117"></a><FONT color="green">118</FONT> * 20-Apr-2005 : Modified to collect chart entities from titles and <a name="line.118"></a><FONT color="green">119</FONT> * subtitles (DG);<a name="line.119"></a><FONT color="green">120</FONT> * 26-Apr-2005 : Removed LOGGER (DG);<a name="line.120"></a><FONT color="green">121</FONT> * 06-Jun-2005 : Added addLegend() method and padding attribute, fixed equals() <a name="line.121"></a><FONT color="green">122</FONT> * method (DG);<a name="line.122"></a><FONT color="green">123</FONT> * 24-Nov-2005 : Removed OldLegend and related code - don't want to support<a name="line.123"></a><FONT color="green">124</FONT> * this in 1.0.0 final (DG);<a name="line.124"></a><FONT color="green">125</FONT> * ------------- JFREECHART 1.0.0 ---------------------------------------------<a name="line.125"></a><FONT color="green">126</FONT> * 27-Jan-2006 : Updated version number (DG);<a name="line.126"></a><FONT color="green">127</FONT> * <a name="line.127"></a><FONT color="green">128</FONT> */<a name="line.128"></a><FONT color="green">129</FONT> <a name="line.129"></a><FONT color="green">130</FONT> package org.jfree.chart;<a name="line.130"></a><FONT color="green">131</FONT> <a name="line.131"></a><FONT color="green">132</FONT> import java.awt.AlphaComposite;<a name="line.132"></a><FONT color="green">133</FONT> import java.awt.BasicStroke;<a name="line.133"></a><FONT color="green">134</FONT> import java.awt.Color;<a name="line.134"></a><FONT color="green">135</FONT> import java.awt.Composite;<a name="line.135"></a><FONT color="green">136</FONT> import java.awt.Font;<a name="line.136"></a><FONT color="green">137</FONT> import java.awt.Graphics2D;<a name="line.137"></a><FONT color="green">138</FONT> import java.awt.Image;<a name="line.138"></a>⌨️ 快捷键说明
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