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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> * XYPlot.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): Craig MacFarlane;<a name="line.33"></a><FONT color="green">034</FONT> * Mark Watson (www.markwatson.com);<a name="line.34"></a><FONT color="green">035</FONT> * Jonathan Nash;<a name="line.35"></a><FONT color="green">036</FONT> * Gideon Krause;<a name="line.36"></a><FONT color="green">037</FONT> * Klaus Rheinwald;<a name="line.37"></a><FONT color="green">038</FONT> * Xavier Poinsard;<a name="line.38"></a><FONT color="green">039</FONT> * Richard Atkinson;<a name="line.39"></a><FONT color="green">040</FONT> * Arnaud Lelievre;<a name="line.40"></a><FONT color="green">041</FONT> * Nicolas Brodu;<a name="line.41"></a><FONT color="green">042</FONT> * Eduardo Ramalho;<a name="line.42"></a><FONT color="green">043</FONT> *<a name="line.43"></a><FONT color="green">044</FONT> * $Id: XYPlot.java,v 1.44.2.6 2006/08/02 14:27:36 mungady Exp $<a name="line.44"></a><FONT color="green">045</FONT> *<a name="line.45"></a><FONT color="green">046</FONT> * Changes (from 21-Jun-2001)<a name="line.46"></a><FONT color="green">047</FONT> * --------------------------<a name="line.47"></a><FONT color="green">048</FONT> * 21-Jun-2001 : Removed redundant JFreeChart parameter from constructors (DG);<a name="line.48"></a><FONT color="green">049</FONT> * 18-Sep-2001 : Updated header and fixed DOS encoding problem (DG);<a name="line.49"></a><FONT color="green">050</FONT> * 15-Oct-2001 : Data source classes moved to com.jrefinery.data.* (DG);<a name="line.50"></a><FONT color="green">051</FONT> * 19-Oct-2001 : Removed the code for drawing the visual representation of each<a name="line.51"></a><FONT color="green">052</FONT> * data point into a separate class StandardXYItemRenderer.<a name="line.52"></a><FONT color="green">053</FONT> * This will make it easier to add variations to the way the<a name="line.53"></a><FONT color="green">054</FONT> * charts are drawn. Based on code contributed by Mark<a name="line.54"></a><FONT color="green">055</FONT> * Watson (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> * 20-Nov-2001 : Fixed clipping bug that shows up when chart is displayed<a name="line.57"></a><FONT color="green">058</FONT> * inside JScrollPane (DG);<a name="line.58"></a><FONT color="green">059</FONT> * 12-Dec-2001 : Removed unnecessary 'throws' clauses from constructor (DG);<a name="line.59"></a><FONT color="green">060</FONT> * 13-Dec-2001 : Added skeleton code for tooltips. Added new constructor. (DG);<a name="line.60"></a><FONT color="green">061</FONT> * 16-Jan-2002 : Renamed the tooltips class (DG);<a name="line.61"></a><FONT color="green">062</FONT> * 22-Jan-2002 : Added DrawInfo class, incorporating tooltips and crosshairs.<a name="line.62"></a><FONT color="green">063</FONT> * Crosshairs based on code by Jonathan Nash (DG);<a name="line.63"></a><FONT color="green">064</FONT> * 05-Feb-2002 : Added alpha-transparency setting based on code by Sylvain<a name="line.64"></a><FONT color="green">065</FONT> * Vieujot (DG);<a name="line.65"></a><FONT color="green">066</FONT> * 26-Feb-2002 : Updated getMinimumXXX() and getMaximumXXX() methods to handle<a name="line.66"></a><FONT color="green">067</FONT> * special case when chart is null (DG);<a name="line.67"></a><FONT color="green">068</FONT> * 28-Feb-2002 : Renamed Datasets.java --> DatasetUtilities.java (DG);<a name="line.68"></a><FONT color="green">069</FONT> * 28-Mar-2002 : The plot now registers with the renderer as a property change<a name="line.69"></a><FONT color="green">070</FONT> * listener. Also added a new constructor (DG);<a name="line.70"></a><FONT color="green">071</FONT> * 09-Apr-2002 : Removed the transRangeZero from the renderer.drawItem()<a name="line.71"></a><FONT color="green">072</FONT> * method. Moved the tooltip generator into the renderer (DG);<a name="line.72"></a><FONT color="green">073</FONT> * 23-Apr-2002 : Fixed bug in methods for drawing horizontal and vertical<a name="line.73"></a><FONT color="green">074</FONT> * lines (DG);<a name="line.74"></a><FONT color="green">075</FONT> * 13-May-2002 : Small change to the draw() method so that it works for<a name="line.75"></a><FONT color="green">076</FONT> * OverlaidXYPlot also (DG);<a name="line.76"></a><FONT color="green">077</FONT> * 25-Jun-2002 : Removed redundant import (DG);<a name="line.77"></a><FONT color="green">078</FONT> * 20-Aug-2002 : Renamed getItemRenderer() --> getRenderer(), and<a name="line.78"></a><FONT color="green">079</FONT> * setXYItemRenderer() --> setRenderer() (DG);<a name="line.79"></a><FONT color="green">080</FONT> * 28-Aug-2002 : Added mechanism for (optional) plot annotations (DG);<a name="line.80"></a><FONT color="green">081</FONT> * 02-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.81"></a><FONT color="green">082</FONT> * 18-Nov-2002 : Added grid settings for both domain and range axis (previously<a name="line.82"></a><FONT color="green">083</FONT> * these were set in the axes) (DG);<a name="line.83"></a><FONT color="green">084</FONT> * 09-Jan-2003 : Further additions to the grid settings, plus integrated plot<a name="line.84"></a><FONT color="green">085</FONT> * border bug fix contributed by Gideon Krause (DG);<a name="line.85"></a><FONT color="green">086</FONT> * 22-Jan-2003 : Removed monolithic constructor (DG);<a name="line.86"></a><FONT color="green">087</FONT> * 04-Mar-2003 : Added 'no data' message, see bug report 691634. Added<a name="line.87"></a><FONT color="green">088</FONT> * secondary range markers using code contributed by Klaus<a name="line.88"></a><FONT color="green">089</FONT> * Rheinwald (DG);<a name="line.89"></a><FONT color="green">090</FONT> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.90"></a><FONT color="green">091</FONT> * 03-Apr-2003 : Added setDomainAxisLocation() method (DG);<a name="line.91"></a><FONT color="green">092</FONT> * 30-Apr-2003 : Moved annotation drawing into a separate method (DG);<a name="line.92"></a><FONT color="green">093</FONT> * 01-May-2003 : Added multi-pass mechanism for renderers (DG);<a name="line.93"></a><FONT color="green">094</FONT> * 02-May-2003 : Changed axis locations from int to AxisLocation (DG);<a name="line.94"></a><FONT color="green">095</FONT> * 15-May-2003 : Added an orientation attribute (DG);<a name="line.95"></a><FONT color="green">096</FONT> * 02-Jun-2003 : Removed range axis compatibility test (DG);<a name="line.96"></a><FONT color="green">097</FONT> * 05-Jun-2003 : Added domain and range grid bands (sponsored by Focus Computer<a name="line.97"></a><FONT color="green">098</FONT> * Services Ltd) (DG);<a name="line.98"></a><FONT color="green">099</FONT> * 26-Jun-2003 : Fixed bug (757303) in getDataRange() method (DG);<a name="line.99"></a><FONT color="green">100</FONT> * 02-Jul-2003 : Added patch from bug report 698646 (secondary axes for<a name="line.100"></a><FONT color="green">101</FONT> * overlaid plots) (DG);<a name="line.101"></a><FONT color="green">102</FONT> * 23-Jul-2003 : Added support for multiple secondary datasets, axes and<a name="line.102"></a><FONT color="green">103</FONT> * renderers (DG);<a name="line.103"></a><FONT color="green">104</FONT> * 27-Jul-2003 : Added support for stacked XY area charts (RA);<a name="line.104"></a><FONT color="green">105</FONT> * 19-Aug-2003 : Implemented Cloneable (DG);<a name="line.105"></a><FONT color="green">106</FONT> * 01-Sep-2003 : Fixed bug where change to secondary datasets didn't generate<a name="line.106"></a><FONT color="green">107</FONT> * change event (797466) (DG)<a name="line.107"></a><FONT color="green">108</FONT> * 08-Sep-2003 : Added internationalization via use of properties<a name="line.108"></a><FONT color="green">109</FONT> * resourceBundle (RFE 690236) (AL);<a name="line.109"></a><FONT color="green">110</FONT> * 08-Sep-2003 : Changed ValueAxis API (DG);<a name="line.110"></a><FONT color="green">111</FONT> * 08-Sep-2003 : Fixes for serialization (NB);<a name="line.111"></a><FONT color="green">112</FONT> * 16-Sep-2003 : Changed ChartRenderingInfo --> PlotRenderingInfo (DG);<a name="line.112"></a><FONT color="green">113</FONT> * 17-Sep-2003 : Fixed zooming to include secondary domain axes (DG);<a name="line.113"></a><FONT color="green">114</FONT> * 18-Sep-2003 : Added getSecondaryDomainAxisCount() and<a name="line.114"></a><FONT color="green">115</FONT> * getSecondaryRangeAxisCount() methods suggested by Eduardo<a name="line.115"></a><FONT color="green">116</FONT> * Ramalho (RFE 808548) (DG);<a name="line.116"></a><FONT color="green">117</FONT> * 23-Sep-2003 : Split domain and range markers into foreground and<a name="line.117"></a><FONT color="green">118</FONT> * background (DG);<a name="line.118"></a><FONT color="green">119</FONT> * 06-Oct-2003 : Fixed bug in clearDomainMarkers() and clearRangeMarkers()<a name="line.119"></a><FONT color="green">120</FONT> * methods. Fixed bug (815876) in addSecondaryRangeMarker()<a name="line.120"></a><FONT color="green">121</FONT> * method. Added new addSecondaryDomainMarker methods (see bug<a name="line.121"></a><FONT color="green">122</FONT> * id 815869) (DG);<a name="line.122"></a><FONT color="green">123</FONT> * 10-Nov-2003 : Added getSecondaryDomain/RangeAxisMappedToDataset() methods<a name="line.123"></a><FONT color="green">124</FONT> * requested by Eduardo Ramalho (DG);<a name="line.124"></a><FONT color="green">125</FONT> * 24-Nov-2003 : Removed unnecessary notification when updating axis anchor<a name="line.125"></a><FONT color="green">126</FONT> * values (DG);<a name="line.126"></a><FONT color="green">127</FONT> * 21-Jan-2004 : Update for renamed method in ValueAxis (DG);<a name="line.127"></a><FONT color="green">128</FONT> * 25-Feb-2004 : Replaced CrosshairInfo with CrosshairState (DG);<a name="line.128"></a><FONT color="green">129</FONT> * 12-Mar-2004 : Fixed bug where primary renderer is always used to determine<a name="line.129"></a><FONT color="green">130</FONT> * range type (DG);<a name="line.130"></a><FONT color="green">131</FONT> * 22-Mar-2004 : Fixed cloning bug (DG);<a name="line.131"></a><FONT color="green">132</FONT> * 23-Mar-2004 : Fixed more cloning bugs (DG);<a name="line.132"></a><FONT color="green">133</FONT> * 07-Apr-2004 : Fixed problem with axis range when the secondary renderer is<a name="line.133"></a><FONT color="green">134</FONT> * stacked, see this post in the forum:<a name="line.134"></a><FONT color="green">135</FONT> * http://www.jfree.org/phpBB2/viewtopic.php?t=8204 (DG);<a name="line.135"></a><FONT color="green">136</FONT> * 07-Apr-2004 : Added get/setDatasetRenderingOrder() methods (DG);<a name="line.136"></a>⌨️ 快捷键说明
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