📄 valueaxis.html
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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 2000-2005, 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> * ValueAxis.java<a name="line.28"></a><FONT color="green">029</FONT> * --------------<a name="line.29"></a><FONT color="green">030</FONT> * (C) Copyright 2000-2005, 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): Jonathan Nash;<a name="line.33"></a><FONT color="green">034</FONT> * Nicolas Brodu (for Astrium and EADS Corporate Research <a name="line.34"></a><FONT color="green">035</FONT> * Center);<a name="line.35"></a><FONT color="green">036</FONT> *<a name="line.36"></a><FONT color="green">037</FONT> * $Id: ValueAxis.java,v 1.10.2.1 2005/10/25 20:37:34 mungady Exp $<a name="line.37"></a><FONT color="green">038</FONT> *<a name="line.38"></a><FONT color="green">039</FONT> * Changes (from 18-Sep-2001)<a name="line.39"></a><FONT color="green">040</FONT> * --------------------------<a name="line.40"></a><FONT color="green">041</FONT> * 18-Sep-2001 : Added standard header and fixed DOS encoding problem (DG);<a name="line.41"></a><FONT color="green">042</FONT> * 23-Nov-2001 : Overhauled standard tick unit code (DG);<a name="line.42"></a><FONT color="green">043</FONT> * 04-Dec-2001 : Changed constructors to protected, and tidied up default <a name="line.43"></a><FONT color="green">044</FONT> * values (DG);<a name="line.44"></a><FONT color="green">045</FONT> * 12-Dec-2001 : Fixed vertical gridlines bug (DG);<a name="line.45"></a><FONT color="green">046</FONT> * 16-Jan-2002 : Added an optional crosshair, based on the implementation by <a name="line.46"></a><FONT color="green">047</FONT> * Jonathan Nash (DG);<a name="line.47"></a><FONT color="green">048</FONT> * 23-Jan-2002 : Moved the minimum and maximum values to here from NumberAxis, <a name="line.48"></a><FONT color="green">049</FONT> * and changed the type from Number to double (DG);<a name="line.49"></a><FONT color="green">050</FONT> * 25-Feb-2002 : Added default value for autoRange. Changed autoAdjustRange <a name="line.50"></a><FONT color="green">051</FONT> * from public to protected. Updated import statements (DG);<a name="line.51"></a><FONT color="green">052</FONT> * 23-Apr-2002 : Added setRange() method (DG);<a name="line.52"></a><FONT color="green">053</FONT> * 29-Apr-2002 : Added range adjustment methods (DG);<a name="line.53"></a><FONT color="green">054</FONT> * 13-Jun-2002 : Modified setCrosshairValue() to notify listeners only when the<a name="line.54"></a><FONT color="green">055</FONT> * crosshairs are visible, to avoid unnecessary repaints, as <a name="line.55"></a><FONT color="green">056</FONT> * suggested by Kees Kuip (DG);<a name="line.56"></a><FONT color="green">057</FONT> * 25-Jul-2002 : Moved lower and upper margin attributes from the NumberAxis <a name="line.57"></a><FONT color="green">058</FONT> * class (DG);<a name="line.58"></a><FONT color="green">059</FONT> * 05-Sep-2002 : Updated constructor for changes in Axis class (DG);<a name="line.59"></a><FONT color="green">060</FONT> * 01-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.60"></a><FONT color="green">061</FONT> * 04-Oct-2002 : Moved standardTickUnits from NumberAxis --> ValueAxis (DG);<a name="line.61"></a><FONT color="green">062</FONT> * 08-Nov-2002 : Moved to new package com.jrefinery.chart.axis (DG);<a name="line.62"></a><FONT color="green">063</FONT> * 19-Nov-2002 : Removed grid settings (now controlled by the plot) (DG);<a name="line.63"></a><FONT color="green">064</FONT> * 27-Nov-2002 : Moved the 'inverted' attributed from NumberAxis to <a name="line.64"></a><FONT color="green">065</FONT> * ValueAxis (DG);<a name="line.65"></a><FONT color="green">066</FONT> * 03-Jan-2003 : Small fix to ensure auto-range minimum is observed <a name="line.66"></a><FONT color="green">067</FONT> * immediately (DG);<a name="line.67"></a><FONT color="green">068</FONT> * 14-Jan-2003 : Changed autoRangeMinimumSize from Number --> double (DG);<a name="line.68"></a><FONT color="green">069</FONT> * 20-Jan-2003 : Replaced monolithic constructor (DG);<a name="line.69"></a><FONT color="green">070</FONT> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.70"></a><FONT color="green">071</FONT> * 09-May-2003 : Added AxisLocation parameter to translation methods (DG);<a name="line.71"></a><FONT color="green">072</FONT> * 13-Aug-2003 : Implemented Cloneable (DG);<a name="line.72"></a><FONT color="green">073</FONT> * 01-Sep-2003 : Fixed bug 793167 (setMaximumAxisValue exception) (DG);<a name="line.73"></a><FONT color="green">074</FONT> * 02-Sep-2003 : Fixed bug 795366 (zooming on inverted axes) (DG);<a name="line.74"></a><FONT color="green">075</FONT> * 08-Sep-2003 : Completed Serialization support (NB);<a name="line.75"></a><FONT color="green">076</FONT> * 08-Sep-2003 : Renamed get/setMinimumValue --> get/setLowerBound,<a name="line.76"></a><FONT color="green">077</FONT> * and get/setMaximumValue --> get/setUpperBound (DG);<a name="line.77"></a><FONT color="green">078</FONT> * 27-Oct-2003 : Changed DEFAULT_AUTO_RANGE_MINIMUM_SIZE value - see bug ID <a name="line.78"></a><FONT color="green">079</FONT> * 829606 (DG);<a name="line.79"></a><FONT color="green">080</FONT> * 07-Nov-2003 : Changes to tick mechanism (DG);<a name="line.80"></a><FONT color="green">081</FONT> * 06-Jan-2004 : Moved axis line attributes to Axis class (DG);<a name="line.81"></a><FONT color="green">082</FONT> * 21-Jan-2004 : Removed redundant axisLineVisible attribute. Renamed <a name="line.82"></a><FONT color="green">083</FONT> * translateJava2DToValue --> java2DToValue, and <a name="line.83"></a><FONT color="green">084</FONT> * translateValueToJava2D --> valueToJava2D (DG); <a name="line.84"></a><FONT color="green">085</FONT> * 23-Jan-2004 : Fixed setAxisLinePaint() and setAxisLineStroke() which had no <a name="line.85"></a><FONT color="green">086</FONT> * effect (andreas.gawecki@coremedia.com);<a name="line.86"></a><FONT color="green">087</FONT> * 07-Apr-2004 : Changed text bounds calculation (DG);<a name="line.87"></a><FONT color="green">088</FONT> * 26-Apr-2004 : Added getter/setter methods for arrow shapes (DG);<a name="line.88"></a><FONT color="green">089</FONT> * 18-May-2004 : Added methods to set axis range *including* current <a name="line.89"></a><FONT color="green">090</FONT> * margins (DG);<a name="line.90"></a><FONT color="green">091</FONT> * 02-Jun-2004 : Fixed bug in setRangeWithMargins() method (DG);<a name="line.91"></a><FONT color="green">092</FONT> * 30-Sep-2004 : Moved drawRotatedString() from RefineryUtilities <a name="line.92"></a><FONT color="green">093</FONT> * --> TextUtilities (DG);<a name="line.93"></a><FONT color="green">094</FONT> * 11-Jan-2005 : Removed deprecated methods in preparation for 1.0.0 <a name="line.94"></a><FONT color="green">095</FONT> * release (DG);<a name="line.95"></a><FONT color="green">096</FONT> * 21-Apr-2005 : Replaced Insets with RectangleInsets (DG);<a name="line.96"></a><FONT color="green">097</FONT> *<a name="line.97"></a><FONT color="green">098</FONT> */<a name="line.98"></a><FONT color="green">099</FONT> <a name="line.99"></a><FONT color="green">100</FONT> package org.jfree.chart.axis;<a name="line.100"></a><FONT color="green">101</FONT> <a name="line.101"></a><FONT color="green">102</FONT> import java.awt.Font;<a name="line.102"></a><FONT color="green">103</FONT> import java.awt.FontMetrics;<a name="line.103"></a><FONT color="green">104</FONT> import java.awt.Graphics2D;<a name="line.104"></a><FONT color="green">105</FONT> import java.awt.Polygon;<a name="line.105"></a><FONT color="green">106</FONT> import java.awt.Shape;<a name="line.106"></a><FONT color="green">107</FONT> import java.awt.font.LineMetrics;<a name="line.107"></a><FONT color="green">108</FONT> import java.awt.geom.AffineTransform;<a name="line.108"></a><FONT color="green">109</FONT> import java.awt.geom.Line2D;<a name="line.109"></a><FONT color="green">110</FONT> import java.awt.geom.Rectangle2D;<a name="line.110"></a><FONT color="green">111</FONT> import java.io.IOException;<a name="line.111"></a><FONT color="green">112</FONT> import java.io.ObjectInputStream;<a name="line.112"></a><FONT color="green">113</FONT> import java.io.ObjectOutputStream;<a name="line.113"></a><FONT color="green">114</FONT> import java.io.Serializable;<a name="line.114"></a><FONT color="green">115</FONT> import java.util.Iterator;<a name="line.115"></a><FONT color="green">116</FONT> import java.util.List;<a name="line.116"></a><FONT color="green">117</FONT> <a name="line.117"></a><FONT color="green">118</FONT> import org.jfree.chart.event.AxisChangeEvent;<a name="line.118"></a><FONT color="green">119</FONT> import org.jfree.chart.plot.Plot;<a name="line.119"></a><FONT color="green">120</FONT> import org.jfree.data.Range;<a name="line.120"></a><FONT color="green">121</FONT> import org.jfree.io.SerialUtilities;<a name="line.121"></a><FONT color="green">122</FONT> import org.jfree.text.TextUtilities;<a name="line.122"></a><FONT color="green">123</FONT> import org.jfree.ui.RectangleEdge;<a name="line.123"></a><FONT color="green">124</FONT> import org.jfree.ui.RectangleInsets;<a name="line.124"></a><FONT color="green">125</FONT> import org.jfree.util.ObjectUtilities;<a name="line.125"></a><FONT color="green">126</FONT> import org.jfree.util.PublicCloneable;<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> * The base class for axes that display value data, where values are measured <a name="line.129"></a><FONT color="green">130</FONT> * using the <code>double</code> primitive. The two key subclasses are <a name="line.130"></a><FONT color="green">131</FONT> * {@link DateAxis} and {@link NumberAxis}.<a name="line.131"></a><FONT color="green">132</FONT> */<a name="line.132"></a><FONT color="green">133</FONT> public abstract class ValueAxis extends Axis <a name="line.133"></a><FONT color="green">134</FONT> implements Cloneable, PublicCloneable, <a name="line.134"></a><FONT color="green">135</FONT> Serializable {<a name="line.135"></a><FONT color="green">136</FONT> <a name="line.136"></a><FONT color="green">137</FONT> /** For serialization. */<a name="line.137"></a><FONT color="green">138</FONT> private static final long serialVersionUID = 3698345477322391456L;<a name="line.138"></a>⌨️ 快捷键说明
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