📄 chartpanel.html
字号:
<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> * ChartPanel.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> * S???ren Caspersen;<a name="line.34"></a><FONT color="green">035</FONT> * Jonathan Nash;<a name="line.35"></a><FONT color="green">036</FONT> * Hans-Jurgen Greiner;<a name="line.36"></a><FONT color="green">037</FONT> * Andreas Schneider;<a name="line.37"></a><FONT color="green">038</FONT> * Daniel van Enckevort;<a name="line.38"></a><FONT color="green">039</FONT> * David M O'Donnell;<a name="line.39"></a><FONT color="green">040</FONT> * Arnaud Lelievre;<a name="line.40"></a><FONT color="green">041</FONT> * Matthias Rose;<a name="line.41"></a><FONT color="green">042</FONT> * Onno vd Akker;<a name="line.42"></a><FONT color="green">043</FONT> *<a name="line.43"></a><FONT color="green">044</FONT> * $Id: ChartPanel.java,v 1.20.2.6 2006/08/01 16:03:56 mungady Exp $<a name="line.44"></a><FONT color="green">045</FONT> *<a name="line.45"></a><FONT color="green">046</FONT> * Changes (from 28-Jun-2001)<a name="line.46"></a><FONT color="green">047</FONT> * --------------------------<a name="line.47"></a><FONT color="green">048</FONT> * 28-Jun-2001 : Integrated buffering code contributed by S???ren <a name="line.48"></a><FONT color="green">049</FONT> * Caspersen (DG);<a name="line.49"></a><FONT color="green">050</FONT> * 18-Sep-2001 : Updated header and fixed DOS encoding problem (DG);<a name="line.50"></a><FONT color="green">051</FONT> * 22-Nov-2001 : Added scaling to improve display of charts in small sizes (DG);<a name="line.51"></a><FONT color="green">052</FONT> * 26-Nov-2001 : Added property editing, saving and printing (DG);<a name="line.52"></a><FONT color="green">053</FONT> * 11-Dec-2001 : Transferred saveChartAsPNG method to new ChartUtilities <a name="line.53"></a><FONT color="green">054</FONT> * class (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> * 16-Jan-2002 : Added an optional crosshair, based on the implementation by <a name="line.56"></a><FONT color="green">057</FONT> * Jonathan Nash. Renamed the tooltips class (DG);<a name="line.57"></a><FONT color="green">058</FONT> * 23-Jan-2002 : Implemented zooming based on code by Hans-Jurgen Greiner (DG);<a name="line.58"></a><FONT color="green">059</FONT> * 05-Feb-2002 : Improved tooltips setup. Renamed method attemptSaveAs() <a name="line.59"></a><FONT color="green">060</FONT> * --> doSaveAs() and made it public rather than private (DG);<a name="line.60"></a><FONT color="green">061</FONT> * 28-Mar-2002 : Added a new constructor (DG);<a name="line.61"></a><FONT color="green">062</FONT> * 09-Apr-2002 : Changed initialisation of tooltip generation, as suggested by <a name="line.62"></a><FONT color="green">063</FONT> * Hans-Jurgen Greiner (DG);<a name="line.63"></a><FONT color="green">064</FONT> * 27-May-2002 : New interactive zooming methods based on code by Hans-Jurgen <a name="line.64"></a><FONT color="green">065</FONT> * Greiner. Renamed JFreeChartPanel --> ChartPanel, moved <a name="line.65"></a><FONT color="green">066</FONT> * constants to ChartPanelConstants interface (DG);<a name="line.66"></a><FONT color="green">067</FONT> * 31-May-2002 : Fixed a bug with interactive zooming and added a way to <a name="line.67"></a><FONT color="green">068</FONT> * control if the zoom rectangle is filled in or drawn as an <a name="line.68"></a><FONT color="green">069</FONT> * outline. A mouse drag gesture towards the top left now causes <a name="line.69"></a><FONT color="green">070</FONT> * an autoRangeBoth() and is a way to undo zooms (AS);<a name="line.70"></a><FONT color="green">071</FONT> * 11-Jun-2002 : Reinstated handleClick method call in mouseClicked() to get <a name="line.71"></a><FONT color="green">072</FONT> * crosshairs working again (DG);<a name="line.72"></a><FONT color="green">073</FONT> * 13-Jun-2002 : Added check for null popup menu in mouseDragged method (DG);<a name="line.73"></a><FONT color="green">074</FONT> * 18-Jun-2002 : Added get/set methods for minimum and maximum chart <a name="line.74"></a><FONT color="green">075</FONT> * dimensions (DG);<a name="line.75"></a><FONT color="green">076</FONT> * 25-Jun-2002 : Removed redundant code (DG);<a name="line.76"></a><FONT color="green">077</FONT> * 27-Aug-2002 : Added get/set methods for popup menu (DG);<a name="line.77"></a><FONT color="green">078</FONT> * 26-Sep-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.78"></a><FONT color="green">079</FONT> * 22-Oct-2002 : Added translation methods for screen <--> Java2D, contributed<a name="line.79"></a><FONT color="green">080</FONT> * by Daniel van Enckevort (DG);<a name="line.80"></a><FONT color="green">081</FONT> * 05-Nov-2002 : Added a chart reference to the ChartMouseEvent class (DG);<a name="line.81"></a><FONT color="green">082</FONT> * 22-Nov-2002 : Added test in zoom method for inverted axes, supplied by <a name="line.82"></a><FONT color="green">083</FONT> * David M O'Donnell (DG);<a name="line.83"></a><FONT color="green">084</FONT> * 14-Jan-2003 : Implemented ChartProgressListener interface (DG);<a name="line.84"></a><FONT color="green">085</FONT> * 14-Feb-2003 : Removed deprecated setGenerateTooltips method (DG);<a name="line.85"></a><FONT color="green">086</FONT> * 12-Mar-2003 : Added option to enforce filename extension (see bug id <a name="line.86"></a><FONT color="green">087</FONT> * 643173) (DG);<a name="line.87"></a><FONT color="green">088</FONT> * 08-Sep-2003 : Added internationalization via use of properties <a name="line.88"></a><FONT color="green">089</FONT> * resourceBundle (RFE 690236) (AL);<a name="line.89"></a><FONT color="green">090</FONT> * 18-Sep-2003 : Added getScaleX() and getScaleY() methods (protected) as <a name="line.90"></a><FONT color="green">091</FONT> * requested by Irv Thomae (DG);<a name="line.91"></a><FONT color="green">092</FONT> * 12-Nov-2003 : Added zooming support for the FastScatterPlot class (DG);<a name="line.92"></a><FONT color="green">093</FONT> * 24-Nov-2003 : Minor Javadoc updates (DG);<a name="line.93"></a><FONT color="green">094</FONT> * 04-Dec-2003 : Added anchor point for crosshair calculation (DG);<a name="line.94"></a><FONT color="green">095</FONT> * 17-Jan-2004 : Added new methods to set tooltip delays to be used in this <a name="line.95"></a><FONT color="green">096</FONT> * chart panel. Refer to patch 877565 (MR);<a name="line.96"></a><FONT color="green">097</FONT> * 02-Feb-2004 : Fixed bug in zooming trigger and added zoomTriggerDistance <a name="line.97"></a><FONT color="green">098</FONT> * attribute (DG);<a name="line.98"></a><FONT color="green">099</FONT> * 08-Apr-2004 : Changed getScaleX() and getScaleY() from protected to <a name="line.99"></a><FONT color="green">100</FONT> * public (DG);<a name="line.100"></a><FONT color="green">101</FONT> * 15-Apr-2004 : Added zoomOutFactor and zoomInFactor (DG);<a name="line.101"></a><FONT color="green">102</FONT> * 21-Apr-2004 : Fixed zooming bug in mouseReleased() method (DG);<a name="line.102"></a><FONT color="green">103</FONT> * 13-Jul-2004 : Added check for null chart (DG);<a name="line.103"></a><FONT color="green">104</FONT> * 04-Oct-2004 : Renamed ShapeUtils --> ShapeUtilities (DG); <a name="line.104"></a><FONT color="green">105</FONT> * 11-Nov-2004 : Moved constants back in from ChartPanelConstants (DG);<a name="line.105"></a><FONT color="green">106</FONT> * 12-Nov-2004 : Modified zooming mechanism to support zooming within <a name="line.106"></a><FONT color="green">107</FONT> * subplots (DG);<a name="line.107"></a><FONT color="green">108</FONT> * 26-Jan-2005 : Fixed mouse zooming for horizontal category plots (DG);<a name="line.108"></a><FONT color="green">109</FONT> * 11-Apr-2005 : Added getFillZoomRectangle() method, renamed <a name="line.109"></a><FONT color="green">110</FONT> * setHorizontalZoom() --> setDomainZoomable(), <a name="line.110"></a><FONT color="green">111</FONT> * setVerticalZoom() --> setRangeZoomable(), added <a name="line.111"></a><FONT color="green">112</FONT> * isDomainZoomable() and isRangeZoomable(), added <a name="line.112"></a><FONT color="green">113</FONT> * getHorizontalAxisTrace() and getVerticalAxisTrace(),<a name="line.113"></a><FONT color="green">114</FONT> * renamed autoRangeBoth() --> restoreAutoBounds(),<a name="line.114"></a><FONT color="green">115</FONT> * autoRangeHorizontal() --> restoreAutoDomainBounds(),<a name="line.115"></a><FONT color="green">116</FONT> * autoRangeVertical() --> restoreAutoRangeBounds() (DG);<a name="line.116"></a><FONT color="green">117</FONT> * 12-Apr-2005 : Removed working areas, added getAnchorPoint() method,<a name="line.117"></a><FONT color="green">118</FONT> * added protected accessors for tracelines (DG);<a name="line.118"></a><FONT color="green">119</FONT> * 18-Apr-2005 : Made constants final (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> * 01-Jun-2005 : Fixed zooming for combined plots - see bug report <a name="line.121"></a><FONT color="green">122</FONT> * 1212039, fix thanks to Onno vd Akker (DG);<a name="line.122"></a><FONT color="green">123</FONT> * 25-Nov-2005 : Reworked event listener mechanism (DG);<a name="line.123"></a><FONT color="green">124</FONT> * ------------- JFREECHART 1.0.0 ---------------------------------------------<a name="line.124"></a><FONT color="green">125</FONT> * 01-Aug-2006 : Fixed minor bug in restoreAutoRangeBounds() (DG);<a name="line.125"></a><FONT color="green">126</FONT> *<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> package org.jfree.chart;<a name="line.129"></a><FONT color="green">130</FONT> <a name="line.130"></a><FONT color="green">131</FONT> import java.awt.AWTEvent;<a name="line.131"></a><FONT color="green">132</FONT> import java.awt.Dimension;<a name="line.132"></a><FONT color="green">133</FONT> import java.awt.Graphics;<a name="line.133"></a><FONT color="green">134</FONT> import java.awt.Graphics2D;<a name="line.134"></a><FONT color="green">135</FONT> import java.awt.Image;<a name="line.135"></a><FONT color="green">136</FONT> import java.awt.Insets;<a name="line.136"></a>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -