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MeterPlot.html

MeterPlot.html 121 KB
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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    2. 

  2. <html lang="en">
    3. 

  3. <head>
    4. 

  4. <title>Source code</title>
    5. 

  5. <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
    6. 

  6. </head>
    7. 

  7. <body>
    8. 

  8. <div class="sourceContainer">
    9. 

  9. <pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
    10. 

  10. <span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
    11. 

  11. <span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
    12. 

  12. <span class="sourceLineNo">004</span> *<a name="line.4"></a>
    13. 

  13. <span class="sourceLineNo">005</span> * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.<a name="line.5"></a>
    14. 

  14. <span class="sourceLineNo">006</span> *<a name="line.6"></a>
    15. 

  15. <span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
    16. 

  16. <span class="sourceLineNo">008</span> *<a name="line.8"></a>
    17. 

  17. <span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
    18. 

  18. <span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
    19. 

  19. <span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
    20. 

  20. <span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
    21. 

  21. <span class="sourceLineNo">013</span> *<a name="line.13"></a>
    22. 

  22. <span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
    23. 

  23. <span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
    24. 

  24. <span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
    25. 

  25. <span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
    26. 

  26. <span class="sourceLineNo">018</span> *<a name="line.18"></a>
    27. 

  27. <span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
    28. 

  28. <span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
    29. 

  29. <span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
    30. 

  30. <span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
    31. 

  31. <span class="sourceLineNo">023</span> *<a name="line.23"></a>
    32. 

  32. <span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
    33. 

  33. <span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
    34. 

  34. <span class="sourceLineNo">026</span> *<a name="line.26"></a>
    35. 

  35. <span class="sourceLineNo">027</span> * --------------<a name="line.27"></a>
    36. 

  36. <span class="sourceLineNo">028</span> * MeterPlot.java<a name="line.28"></a>
    37. 

  37. <span class="sourceLineNo">029</span> * --------------<a name="line.29"></a>
    38. 

  38. <span class="sourceLineNo">030</span> * (C) Copyright 2000-2014, by Hari and Contributors.<a name="line.30"></a>
    39. 

  39. <span class="sourceLineNo">031</span> *<a name="line.31"></a>
    40. 

  40. <span class="sourceLineNo">032</span> * Original Author:  Hari (ourhari@hotmail.com);<a name="line.32"></a>
    41. 

  41. <span class="sourceLineNo">033</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
    42. 

  42. <span class="sourceLineNo">034</span> *                   Bob Orchard;<a name="line.34"></a>
    43. 

  43. <span class="sourceLineNo">035</span> *                   Arnaud Lelievre;<a name="line.35"></a>
    44. 

  44. <span class="sourceLineNo">036</span> *                   Nicolas Brodu;<a name="line.36"></a>
    45. 

  45. <span class="sourceLineNo">037</span> *                   David Bastend;<a name="line.37"></a>
    46. 

  46. <span class="sourceLineNo">038</span> *<a name="line.38"></a>
    47. 

  47. <span class="sourceLineNo">039</span> * Changes<a name="line.39"></a>
    48. 

  48. <span class="sourceLineNo">040</span> * -------<a name="line.40"></a>
    49. 

  49. <span class="sourceLineNo">041</span> * 01-Apr-2002 : Version 1, contributed by Hari (DG);<a name="line.41"></a>
    50. 

  50. <span class="sourceLineNo">042</span> * 23-Apr-2002 : Moved dataset from JFreeChart to Plot (DG);<a name="line.42"></a>
    51. 

  51. <span class="sourceLineNo">043</span> * 22-Aug-2002 : Added changes suggest by Bob Orchard, changed Color to Paint<a name="line.43"></a>
    52. 

  52. <span class="sourceLineNo">044</span> *               for consistency, plus added Javadoc comments (DG);<a name="line.44"></a>
    53. 

  53. <span class="sourceLineNo">045</span> * 01-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.45"></a>
    54. 

  54. <span class="sourceLineNo">046</span> * 23-Jan-2003 : Removed one constructor (DG);<a name="line.46"></a>
    55. 

  55. <span class="sourceLineNo">047</span> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.47"></a>
    56. 

  56. <span class="sourceLineNo">048</span> * 20-Aug-2003 : Changed dataset from MeterDataset --&gt; ValueDataset, added<a name="line.48"></a>
    57. 

  57. <span class="sourceLineNo">049</span> *               equals() method,<a name="line.49"></a>
    58. 

  58. <span class="sourceLineNo">050</span> * 08-Sep-2003 : Added internationalization via use of properties<a name="line.50"></a>
    59. 

  59. <span class="sourceLineNo">051</span> *               resourceBundle (RFE 690236) (AL);<a name="line.51"></a>
    60. 

  60. <span class="sourceLineNo">052</span> *               implemented Cloneable, and various other changes (DG);<a name="line.52"></a>
    61. 

  61. <span class="sourceLineNo">053</span> * 08-Sep-2003 : Added serialization methods (NB);<a name="line.53"></a>
    62. 

  62. <span class="sourceLineNo">054</span> * 11-Sep-2003 : Added cloning support (NB);<a name="line.54"></a>
    63. 

  63. <span class="sourceLineNo">055</span> * 16-Sep-2003 : Changed ChartRenderingInfo --&gt; PlotRenderingInfo (DG);<a name="line.55"></a>
    64. 

  64. <span class="sourceLineNo">056</span> * 25-Sep-2003 : Fix useless cloning. Correct dataset listener registration in<a name="line.56"></a>
    65. 

  65. <span class="sourceLineNo">057</span> *               constructor. (NB)<a name="line.57"></a>
    66. 

  66. <span class="sourceLineNo">058</span> * 29-Oct-2003 : Added workaround for font alignment in PDF output (DG);<a name="line.58"></a>
    67. 

  67. <span class="sourceLineNo">059</span> * 17-Jan-2004 : Changed to allow dialBackgroundPaint to be set to null - see<a name="line.59"></a>
    68. 

  68. <span class="sourceLineNo">060</span> *               bug 823628 (DG);<a name="line.60"></a>
    69. 

  69. <span class="sourceLineNo">061</span> * 07-Apr-2004 : Changed string bounds calculation (DG);<a name="line.61"></a>
    70. 

  70. <span class="sourceLineNo">062</span> * 12-May-2004 : Added tickLabelFormat attribute - see RFE 949566.  Also<a name="line.62"></a>
    71. 

  71. <span class="sourceLineNo">063</span> *               updated the equals() method (DG);<a name="line.63"></a>
    72. 

  72. <span class="sourceLineNo">064</span> * 02-Nov-2004 : Added sanity checks for range, and only draw the needle if the<a name="line.64"></a>
    73. 

  73. <span class="sourceLineNo">065</span> *               value is contained within the overall range - see bug report<a name="line.65"></a>
    74. 

  74. <span class="sourceLineNo">066</span> *               1056047 (DG);<a name="line.66"></a>
    75. 

  75. <span class="sourceLineNo">067</span> * 11-Jan-2005 : Removed deprecated code in preparation for the 1.0.0<a name="line.67"></a>
    76. 

  76. <span class="sourceLineNo">068</span> *               release (DG);<a name="line.68"></a>
    77. 

  77. <span class="sourceLineNo">069</span> * 02-Feb-2005 : Added optional background paint for each region (DG);<a name="line.69"></a>
    78. 

  78. <span class="sourceLineNo">070</span> * 22-Mar-2005 : Removed 'normal', 'warning' and 'critical' regions and put in<a name="line.70"></a>
    79. 

  79. <span class="sourceLineNo">071</span> *               facility to define an arbitrary number of MeterIntervals,<a name="line.71"></a>
    80. 

  80. <span class="sourceLineNo">072</span> *               based on a contribution by David Bastend (DG);<a name="line.72"></a>
    81. 

  81. <span class="sourceLineNo">073</span> * 20-Apr-2005 : Small update for change to LegendItem constructors (DG);<a name="line.73"></a>
    82. 

  82. <span class="sourceLineNo">074</span> * 05-May-2005 : Updated draw() method parameters (DG);<a name="line.74"></a>
    83. 

  83. <span class="sourceLineNo">075</span> * 08-Jun-2005 : Fixed equals() method to handle GradientPaint (DG);<a name="line.75"></a>
    84. 

  84. <span class="sourceLineNo">076</span> * 10-Nov-2005 : Added tickPaint, tickSize and valuePaint attributes, and<a name="line.76"></a>
    85. 

  85. <span class="sourceLineNo">077</span> *               put value label drawing code into a separate method (DG);<a name="line.77"></a>
    86. 

  86. <span class="sourceLineNo">078</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.78"></a>
    87. 

  87. <span class="sourceLineNo">079</span> * 05-Mar-2007 : Restore clip region correctly (see bug 1667750) (DG);<a name="line.79"></a>
    88. 

  88. <span class="sourceLineNo">080</span> * 18-May-2007 : Set dataset for LegendItem (DG);<a name="line.80"></a>
    89. 

  89. <span class="sourceLineNo">081</span> * 29-Nov-2007 : Fixed serialization bug with dialOutlinePaint (DG);<a name="line.81"></a>
    90. 

  90. <span class="sourceLineNo">082</span> * 18-Dec-2008 : Use ResourceBundleWrapper - see patch 1607918 by<a name="line.82"></a>
    91. 

  91. <span class="sourceLineNo">083</span> *               Jess Thrysoee (DG);<a name="line.83"></a>
    92. 

  92. <span class="sourceLineNo">084</span> * 02-Jul-2013 : Use ParamChecks (DG);<a name="line.84"></a>
    93. 

  93. <span class="sourceLineNo">085</span> *<a name="line.85"></a>
    94. 

  94. <span class="sourceLineNo">086</span> */<a name="line.86"></a>
    95. 

  95. <span class="sourceLineNo">087</span><a name="line.87"></a>
    96. 

  96. <span class="sourceLineNo">088</span>package org.jfree.chart.plot;<a name="line.88"></a>
    97. 

  97. <span class="sourceLineNo">089</span><a name="line.89"></a>
    98. 

  98. <span class="sourceLineNo">090</span>import java.awt.AlphaComposite;<a name="line.90"></a>
    99. 

  99. <span class="sourceLineNo">091</span>import java.awt.BasicStroke;<a name="line.91"></a>
    100. 

  100. <span class="sourceLineNo">092</span>import java.awt.Color;<a name="line.92"></a>
    101. 

  101. <span class="sourceLineNo">093</span>import java.awt.Composite;<a name="line.93"></a>
    102. 

  102. <span class="sourceLineNo">094</span>import java.awt.Font;<a name="line.94"></a>
    103. 

  103. <span class="sourceLineNo">095</span>import java.awt.FontMetrics;<a name="line.95"></a>
    104. 

  104. <span class="sourceLineNo">096</span>import java.awt.Graphics2D;<a name="line.96"></a>
    105. 

  105. <span class="sourceLineNo">097</span>import java.awt.Paint;<a name="line.97"></a>
    106. 

  106. <span class="sourceLineNo">098</span>import java.awt.Polygon;<a name="line.98"></a>
    107. 

  107. <span class="sourceLineNo">099</span>import java.awt.Shape;<a name="line.99"></a>
    108. 

  108. <span class="sourceLineNo">100</span>import java.awt.Stroke;<a name="line.100"></a>
    109. 

  109. <span class="sourceLineNo">101</span>import java.awt.geom.Arc2D;<a name="line.101"></a>
    110. 

  110. <span class="sourceLineNo">102</span>import java.awt.geom.Ellipse2D;<a name="line.102"></a>
    111. 

  111. <span class="sourceLineNo">103</span>import java.awt.geom.Line2D;<a name="line.103"></a>
    112. 

  112. <span class="sourceLineNo">104</span>import java.awt.geom.Point2D;<a name="line.104"></a>
    113. 

  113. <span class="sourceLineNo">105</span>import java.awt.geom.Rectangle2D;<a name="line.105"></a>
    114. 

  114. <span class="sourceLineNo">106</span>import java.io.IOException;<a name="line.106"></a>
    115. 

  115. <span class="sourceLineNo">107</span>import java.io.ObjectInputStream;<a name="line.107"></a>
    116. 

  116. <span class="sourceLineNo">108</span>import java.io.ObjectOutputStream;<a name="line.108"></a>
    117. 

  117. <span class="sourceLineNo">109</span>import java.io.Serializable;<a name="line.109"></a>
    118. 

  118. <span class="sourceLineNo">110</span>import java.text.NumberFormat;<a name="line.110"></a>
    119. 

  119. <span class="sourceLineNo">111</span>import java.util.Collections;<a name="line.111"></a>
    120. 

  120. <span class="sourceLineNo">112</span>import java.util.Iterator;<a name="line.112"></a>
    121. 

  121. <span class="sourceLineNo">113</span>import java.util.List;<a name="line.113"></a>
    122. 

  122. <span class="sourceLineNo">114</span>import java.util.ResourceBundle;<a name="line.114"></a>
    123. 

  123. <span class="sourceLineNo">115</span><a name="line.115"></a>
    124. 

  124. <span class="sourceLineNo">116</span>import org.jfree.chart.LegendItem;<a name="line.116"></a>
    125. 

  125. <span class="sourceLineNo">117</span>import org.jfree.chart.LegendItemCollection;<a name="line.117"></a>
    126. 

  126. <span class="sourceLineNo">118</span>import org.jfree.chart.event.PlotChangeEvent;<a name="line.118"></a>
    127. 

  127. <span class="sourceLineNo">119</span>import org.jfree.chart.util.ParamChecks;<a name="line.119"></a>
    128. 

  128. <span class="sourceLineNo">120</span>import org.jfree.chart.util.ResourceBundleWrapper;<a name="line.120"></a>
    129. 

  129. <span class="sourceLineNo">121</span>import org.jfree.data.Range;<a name="line.121"></a>
    130. 

  130. <span class="sourceLineNo">122</span>import org.jfree.data.general.DatasetChangeEvent;<a name="line.122"></a>
    131. 

  131. <span class="sourceLineNo">123</span>import org.jfree.data.general.ValueDataset;<a name="line.123"></a>
    132. 

  132. <span class="sourceLineNo">124</span>import org.jfree.io.SerialUtilities;<a name="line.124"></a>
    133. 

  133. <span class="sourceLineNo">125</span>import org.jfree.text.TextUtilities;<a name="line.125"></a>
    134. 

  134. <span class="sourceLineNo">126</span>import org.jfree.ui.RectangleInsets;<a name="line.126"></a>
    135. 

  135. <span class="sourceLineNo">127</span>import org.jfree.ui.TextAnchor;<a name="line.127"></a>
    136. 

  136. <span class="sourceLineNo">128</span>import org.jfree.util.ObjectUtilities;<a name="line.128"></a>
    137. 

  137. <span class="sourceLineNo">129</span>import org.jfree.util.PaintUtilities;<a name="line.129"></a>
    138. 

  138. <span class="sourceLineNo">130</span><a name="line.130"></a>
    139. 

  139. <span class="sourceLineNo">131</span>/**<a name="line.131"></a>
    140. 

  140. <span class="sourceLineNo">132</span> * A plot that displays a single value in the form of a needle on a dial.<a name="line.132"></a>
    141. 

  141. <span class="sourceLineNo">133</span> * Defined ranges (for example, 'normal', 'warning' and 'critical') can be<a name="line.133"></a>
    142. 

  142. <span class="sourceLineNo">134</span> * highlighted on the dial.<a name="line.134"></a>
    143. 

  143. <span class="sourceLineNo">135</span> */<a name="line.135"></a>
    144. 

  144. <span class="sourceLineNo">136</span>public class MeterPlot extends Plot implements Serializable, Cloneable {<a name="line.136"></a>
    145. 

  145. <span class="sourceLineNo">137</span><a name="line.137"></a>
    146. 

  146. <span class="sourceLineNo">138</span>    /** For serialization. */<a name="line.138"></a>
    147. 

  147. <span class="sourceLineNo">139</span>    private static final long serialVersionUID = 2987472457734470962L;<a name="line.139"></a>
    148. 

  148. <span class="sourceLineNo">140</span><a name="line.140"></a>
    149. 

  149. <span class="sourceLineNo">141</span>    /** The default background paint. */<a name="line.141"></a>
    150. 

  150. <span class="sourceLineNo">142</span>    static final Paint DEFAULT_DIAL_BACKGROUND_PAINT = Color.black;<a name="line.142"></a>
    151. 

  151. <span class="sourceLineNo">143</span><a name="line.143"></a>
    152. 

  152. <span class="sourceLineNo">144</span>    /** The default needle paint. */<a name="line.144"></a>
    153. 

  153. <span class="sourceLineNo">145</span>    static final Paint DEFAULT_NEEDLE_PAINT = Color.green;<a name="line.145"></a>
    154. 

  154. <span class="sourceLineNo">146</span><a name="line.146"></a>
    155. 

  155. <span class="sourceLineNo">147</span>    /** The default value font. */<a name="line.147"></a>
    156. 

  156. <span class="sourceLineNo">148</span>    static final Font DEFAULT_VALUE_FONT = new Font("SansSerif", Font.BOLD, 12);<a name="line.148"></a>
    157. 

  157. <span class="sourceLineNo">149</span><a name="line.149"></a>
    158. 

  158. <span class="sourceLineNo">150</span>    /** The default value paint. */<a name="line.150"></a>
    159. 

  159. <span class="sourceLineNo">151</span>    static final Paint DEFAULT_VALUE_PAINT = Color.yellow;<a name="line.151"></a>
    160. 

  160. <span class="sourceLineNo">152</span><a name="line.152"></a>
    161. 

  161. <span class="sourceLineNo">153</span>    /** The default meter angle. */<a name="line.153"></a>
    162. 

  162. <span class="sourceLineNo">154</span>    public static final int DEFAULT_METER_ANGLE = 270;<a name="line.154"></a>
    163. 

  163. <span class="sourceLineNo">155</span><a name="line.155"></a>
    164. 

  164. <span class="sourceLineNo">156</span>    /** The default border size. */<a name="line.156"></a>
    165. 

  165. <span class="sourceLineNo">157</span>    public static final float DEFAULT_BORDER_SIZE = 3f;<a name="line.157"></a>
    166. 

  166. <span class="sourceLineNo">158</span><a name="line.158"></a>
    167. 

  167. <span class="sourceLineNo">159</span>    /** The default circle size. */<a name="line.159"></a>
    168. 

  168. <span class="sourceLineNo">160</span>    public static final float DEFAULT_CIRCLE_SIZE = 10f;<a name="line.160"></a>
    169. 

  169. <span class="sourceLineNo">161</span><a name="line.161"></a>
    170. 

  170. <span class="sourceLineNo">162</span>    /** The default label font. */<a name="line.162"></a>
    171. 

  171. <span class="sourceLineNo">163</span>    public static final Font DEFAULT_LABEL_FONT = new Font("SansSerif",<a name="line.163"></a>
    172. 

  172. <span class="sourceLineNo">164</span>            Font.BOLD, 10);<a name="line.164"></a>
    173. 

  173. <span class="sourceLineNo">165</span><a name="line.165"></a>
    174. 

  174. <span class="sourceLineNo">166</span>    /** The dataset (contains a single value). */<a name="line.166"></a>
    175. 

  175. <span class="sourceLineNo">167</span>    private ValueDataset dataset;<a name="line.167"></a>
    176. 

  176. <span class="sourceLineNo">168</span><a name="line.168"></a>
    177. 

  177. <span class="sourceLineNo">169</span>    /** The dial shape (background shape). */<a name="line.169"></a>
    178. 

  178. <span class="sourceLineNo">170</span>    private DialShape shape;<a name="line.170"></a>
    179. 

  179. <span class="sourceLineNo">171</span><a name="line.171"></a>
    180. 

  180. <span class="sourceLineNo">172</span>    /** The dial extent (measured in degrees). */<a name="line.172"></a>
    181. 

  181. <span class="sourceLineNo">173</span>    private int meterAngle;<a name="line.173"></a>
    182. 

  182. <span class="sourceLineNo">174</span><a name="line.174"></a>
    183. 

  183. <span class="sourceLineNo">175</span>    /** The overall range of data values on the dial. */<a name="line.175"></a>
    184. 

  184. <span class="sourceLineNo">176</span>    private Range range;<a name="line.176"></a>
    185. 

  185. <span class="sourceLineNo">177</span><a name="line.177"></a>
    186. 

  186. <span class="sourceLineNo">178</span>    /** The tick size. */<a name="line.178"></a>
    187. 

  187. <span class="sourceLineNo">179</span>    private double tickSize;<a name="line.179"></a>
    188. 

  188. <span class="sourceLineNo">180</span><a name="line.180"></a>
    189. 

  189. <span class="sourceLineNo">181</span>    /** The paint used to draw the ticks. */<a name="line.181"></a>
    190. 

  190. <span class="sourceLineNo">182</span>    private transient Paint tickPaint;<a name="line.182"></a>
    191. 

  191. <span class="sourceLineNo">183</span><a name="line.183"></a>
    192. 

  192. <span class="sourceLineNo">184</span>    /** The units displayed on the dial. */<a name="line.184"></a>
    193. 

  193. <span class="sourceLineNo">185</span>    private String units;<a name="line.185"></a>
    194. 

  194. <span class="sourceLineNo">186</span><a name="line.186"></a>
    195. 

  195. <span class="sourceLineNo">187</span>    /** The font for the value displayed in the center of the dial. */<a name="line.187"></a>
    196. 

  196. <span class="sourceLineNo">188</span>    private Font valueFont;<a name="line.188"></a>
    197. 

  197. <span class="sourceLineNo">189</span><a name="line.189"></a>
    198. 

  198. <span class="sourceLineNo">190</span>    /** The paint for the value displayed in the center of the dial. */<a name="line.190"></a>
    199. 

  199. <span class="sourceLineNo">191</span>    private transient Paint valuePaint;<a name="line.191"></a>
    200. 

  200. <span class="sourceLineNo">192</span><a name="line.192"></a>
    201. 

  201. <span class="sourceLineNo">193</span>    /** A flag that controls whether or not the border is drawn. */<a name="line.193"></a>
    202. 

  202. <span class="sourceLineNo">194</span>    private boolean drawBorder;<a name="line.194"></a>
    203. 

  203. <span class="sourceLineNo">195</span><a name="line.195"></a>
    204. 

  204. <span class="sourceLineNo">196</span>    /** The outline paint. */<a name="line.196"></a>
    205. 

  205. <span class="sourceLineNo">197</span>    private transient Paint dialOutlinePaint;<a name="line.197"></a>
    206. 

  206. <span class="sourceLineNo">198</span><a name="line.198"></a>
    207. 

  207. <span class="sourceLineNo">199</span>    /** The paint for the dial background. */<a name="line.199"></a>
    208. 

  208. <span class="sourceLineNo">200</span>    private transient Paint dialBackgroundPaint;<a name="line.200"></a>
    209. 

  209. <span class="sourceLineNo">201</span><a name="line.201"></a>
    210. 

  210. <span class="sourceLineNo">202</span>    /** The paint for the needle. */<a name="line.202"></a>
    211. 

  211. <span class="sourceLineNo">203</span>    private transient Paint needlePaint;<a name="line.203"></a>
    212. 

  212. <span class="sourceLineNo">204</span><a name="line.204"></a>
    213. 

  213. <span class="sourceLineNo">205</span>    /** A flag that controls whether or not the tick labels are visible. */<a name="line.205"></a>
    214. 

  214. <span class="sourceLineNo">206</span>    private boolean tickLabelsVisible;<a name="line.206"></a>
    215. 

  215. <span class="sourceLineNo">207</span><a name="line.207"></a>
    216. 

  216. <span class="sourceLineNo">208</span>    /** The tick label font. */<a name="line.208"></a>
    217. 

  217. <span class="sourceLineNo">209</span>    private Font tickLabelFont;<a name="line.209"></a>
    218. 

  218. <span class="sourceLineNo">210</span><a name="line.210"></a>
    219. 

  219. <span class="sourceLineNo">211</span>    /** The tick label paint. */<a name="line.211"></a>
    220. 

  220. <span class="sourceLineNo">212</span>    private transient Paint tickLabelPaint;<a name="line.212"></a>
    221. 

  221. <span class="sourceLineNo">213</span><a name="line.213"></a>
    222. 

  222. <span class="sourceLineNo">214</span>    /** The tick label format. */<a name="line.214"></a>
    223. 

  223. <span class="sourceLineNo">215</span>    private NumberFormat tickLabelFormat;<a name="line.215"></a>
    224. 

  224. <span class="sourceLineNo">216</span><a name="line.216"></a>
    225. 

  225. <span class="sourceLineNo">217</span>    /** The resourceBundle for the localization. */<a name="line.217"></a>
    226. 

  226. <span class="sourceLineNo">218</span>    protected static ResourceBundle localizationResources<a name="line.218"></a>
    227. 

  227. <span class="sourceLineNo">219</span>            = ResourceBundleWrapper.getBundle(<a name="line.219"></a>
    228. 

  228. <span class="sourceLineNo">220</span>                    "org.jfree.chart.plot.LocalizationBundle");<a name="line.220"></a>
    229. 

  229. <span class="sourceLineNo">221</span><a name="line.221"></a>
    230. 

  230. <span class="sourceLineNo">222</span>    /**<a name="line.222"></a>
    231. 

  231. <span class="sourceLineNo">223</span>     * A (possibly empty) list of the {@link MeterInterval}s to be highlighted<a name="line.223"></a>
    232. 

  232. <span class="sourceLineNo">224</span>     * on the dial.<a name="line.224"></a>
    233. 

  233. <span class="sourceLineNo">225</span>     */<a name="line.225"></a>
    234. 

  234. <span class="sourceLineNo">226</span>    private List intervals;<a name="line.226"></a>
    235. 

  235. <span class="sourceLineNo">227</span><a name="line.227"></a>
    236. 

  236. <span class="sourceLineNo">228</span>    /**<a name="line.228"></a>
    237. 

  237. <span class="sourceLineNo">229</span>     * Creates a new plot with a default range of &lt;code&gt;0&lt;/code&gt; to<a name="line.229"></a>
    238. 

  238. <span class="sourceLineNo">230</span>     * &lt;code&gt;100&lt;/code&gt; and no value to display.<a name="line.230"></a>
    239. 

  239. <span class="sourceLineNo">231</span>     */<a name="line.231"></a>
    240. 

  240. <span class="sourceLineNo">232</span>    public MeterPlot() {<a name="line.232"></a>
    241. 

  241. <span class="sourceLineNo">233</span>        this(null);<a name="line.233"></a>
    242. 

  242. <span class="sourceLineNo">234</span>    }<a name="line.234"></a>
    243. 

  243. <span class="sourceLineNo">235</span><a name="line.235"></a>
    244. 

  244. <span class="sourceLineNo">236</span>    /**<a name="line.236"></a>
    245. 

  245. <span class="sourceLineNo">237</span>     * Creates a new plot that displays the value from the supplied dataset.<a name="line.237"></a>
    246. 

  246. <span class="sourceLineNo">238</span>     *<a name="line.238"></a>
    247. 

  247. <span class="sourceLineNo">239</span>     * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.239"></a>
    248. 

  248. <span class="sourceLineNo">240</span>     */<a name="line.240"></a>
    249. 

  249. <span class="sourceLineNo">241</span>    public MeterPlot(ValueDataset dataset) {<a name="line.241"></a>
    250. 

  250. <span class="sourceLineNo">242</span>        super();<a name="line.242"></a>
    251. 

  251. <span class="sourceLineNo">243</span>        this.shape = DialShape.CIRCLE;<a name="line.243"></a>
    252. 

  252. <span class="sourceLineNo">244</span>        this.meterAngle = DEFAULT_METER_ANGLE;<a name="line.244"></a>
    253. 

  253. <span class="sourceLineNo">245</span>        this.range = new Range(0.0, 100.0);<a name="line.245"></a>
    254. 

  254. <span class="sourceLineNo">246</span>        this.tickSize = 10.0;<a name="line.246"></a>
    255. 

  255. <span class="sourceLineNo">247</span>        this.tickPaint = Color.white;<a name="line.247"></a>
    256. 

  256. <span class="sourceLineNo">248</span>        this.units = "Units";<a name="line.248"></a>
    257. 

  257. <span class="sourceLineNo">249</span>        this.needlePaint = MeterPlot.DEFAULT_NEEDLE_PAINT;<a name="line.249"></a>
    258. 

  258. <span class="sourceLineNo">250</span>        this.tickLabelsVisible = true;<a name="line.250"></a>
    259. 

  259. <span class="sourceLineNo">251</span>        this.tickLabelFont = MeterPlot.DEFAULT_LABEL_FONT;<a name="line.251"></a>
    260. 

  260. <span class="sourceLineNo">252</span>        this.tickLabelPaint = Color.black;<a name="line.252"></a>
    261. 

  261. <span class="sourceLineNo">253</span>        this.tickLabelFormat = NumberFormat.getInstance();<a name="line.253"></a>
    262. 

  262. <span class="sourceLineNo">254</span>        this.valueFont = MeterPlot.DEFAULT_VALUE_FONT;<a name="line.254"></a>
    263. 

  263. <span class="sourceLineNo">255</span>        this.valuePaint = MeterPlot.DEFAULT_VALUE_PAINT;<a name="line.255"></a>
    264. 

  264. <span class="sourceLineNo">256</span>        this.dialBackgroundPaint = MeterPlot.DEFAULT_DIAL_BACKGROUND_PAINT;<a name="line.256"></a>
    265. 

  265. <span class="sourceLineNo">257</span>        this.intervals = new java.util.ArrayList();<a name="line.257"></a>
    266. 

  266. <span class="sourceLineNo">258</span>        setDataset(dataset);<a name="line.258"></a>
    267. 

  267. <span class="sourceLineNo">259</span>    }<a name="line.259"></a>
    268. 

  268. <span class="sourceLineNo">260</span><a name="line.260"></a>
    269. 

  269. <span class="sourceLineNo">261</span>    /**<a name="line.261"></a>
    270. 

  270. <span class="sourceLineNo">262</span>     * Returns the dial shape.  The default is {@link DialShape#CIRCLE}).<a name="line.262"></a>
    271. 

  271. <span class="sourceLineNo">263</span>     *<a name="line.263"></a>
    272. 

  272. <span class="sourceLineNo">264</span>     * @return The dial shape (never &lt;code&gt;null&lt;/code&gt;).<a name="line.264"></a>
    273. 

  273. <span class="sourceLineNo">265</span>     *<a name="line.265"></a>
    274. 

  274. <span class="sourceLineNo">266</span>     * @see #setDialShape(DialShape)<a name="line.266"></a>
    275. 

  275. <span class="sourceLineNo">267</span>     */<a name="line.267"></a>
    276. 

  276. <span class="sourceLineNo">268</span>    public DialShape getDialShape() {<a name="line.268"></a>
    277. 

  277. <span class="sourceLineNo">269</span>        return this.shape;<a name="line.269"></a>
    278. 

  278. <span class="sourceLineNo">270</span>    }<a name="line.270"></a>
    279. 

  279. <span class="sourceLineNo">271</span><a name="line.271"></a>
    280. 

  280. <span class="sourceLineNo">272</span>    /**<a name="line.272"></a>
    281. 

  281. <span class="sourceLineNo">273</span>     * Sets the dial shape and sends a {@link PlotChangeEvent} to all<a name="line.273"></a>
    282. 

  282. <span class="sourceLineNo">274</span>     * registered listeners.<a name="line.274"></a>
    283. 

  283. <span class="sourceLineNo">275</span>     *<a name="line.275"></a>
    284. 

  284. <span class="sourceLineNo">276</span>     * @param shape  the shape (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.276"></a>
    285. 

  285. <span class="sourceLineNo">277</span>     *<a name="line.277"></a>
    286. 

  286. <span class="sourceLineNo">278</span>     * @see #getDialShape()<a name="line.278"></a>
    287. 

  287. <span class="sourceLineNo">279</span>     */<a name="line.279"></a>
    288. 

  288. <span class="sourceLineNo">280</span>    public void setDialShape(DialShape shape) {<a name="line.280"></a>
    289. 

  289. <span class="sourceLineNo">281</span>        ParamChecks.nullNotPermitted(shape, "shape");<a name="line.281"></a>
    290. 

  290. <span class="sourceLineNo">282</span>        this.shape = shape;<a name="line.282"></a>
    291. 

  291. <span class="sourceLineNo">283</span>        fireChangeEvent();<a name="line.283"></a>
    292. 

  292. <span class="sourceLineNo">284</span>    }<a name="line.284"></a>
    293. 

  293. <span class="sourceLineNo">285</span><a name="line.285"></a>
    294. 

  294. <span class="sourceLineNo">286</span>    /**<a name="line.286"></a>
    295. 

  295. <span class="sourceLineNo">287</span>     * Returns the meter angle in degrees.  This defines, in part, the shape<a name="line.287"></a>
    296. 

  296. <span class="sourceLineNo">288</span>     * of the dial.  The default is 270 degrees.<a name="line.288"></a>
    297. 

  297. <span class="sourceLineNo">289</span>     *<a name="line.289"></a>
    298. 

  298. <span class="sourceLineNo">290</span>     * @return The meter angle (in degrees).<a name="line.290"></a>
    299. 

  299. <span class="sourceLineNo">291</span>     *<a name="line.291"></a>
    300. 

  300. <span class="sourceLineNo">292</span>     * @see #setMeterAngle(int)<a name="line.292"></a>
    301. 

  301. <span class="sourceLineNo">293</span>     */<a name="line.293"></a>
    302. 

  302. <span class="sourceLineNo">294</span>    public int getMeterAngle() {<a name="line.294"></a>
    303. 

  303. <span class="sourceLineNo">295</span>        return this.meterAngle;<a name="line.295"></a>
    304. 

  304. <span class="sourceLineNo">296</span>    }<a name="line.296"></a>
    305. 

  305. <span class="sourceLineNo">297</span><a name="line.297"></a>
    306. 

  306. <span class="sourceLineNo">298</span>    /**<a name="line.298"></a>
    307. 

  307. <span class="sourceLineNo">299</span>     * Sets the angle (in degrees) for the whole range of the dial and sends<a name="line.299"></a>
    308. 

  308. <span class="sourceLineNo">300</span>     * a {@link PlotChangeEvent} to all registered listeners.<a name="line.300"></a>
    309. 

  309. <span class="sourceLineNo">301</span>     *<a name="line.301"></a>
    310. 

  310. <span class="sourceLineNo">302</span>     * @param angle  the angle (in degrees, in the range 1-360).<a name="line.302"></a>
    311. 

  311. <span class="sourceLineNo">303</span>     *<a name="line.303"></a>
    312. 

  312. <span class="sourceLineNo">304</span>     * @see #getMeterAngle()<a name="line.304"></a>
    313. 

  313. <span class="sourceLineNo">305</span>     */<a name="line.305"></a>
    314. 

  314. <span class="sourceLineNo">306</span>    public void setMeterAngle(int angle) {<a name="line.306"></a>
    315. 

  315. <span class="sourceLineNo">307</span>        if (angle &lt; 1 || angle &gt; 360) {<a name="line.307"></a>
    316. 

  316. <span class="sourceLineNo">308</span>            throw new IllegalArgumentException("Invalid 'angle' (" + angle<a name="line.308"></a>
    317. 

  317. <span class="sourceLineNo">309</span>                    + ")");<a name="line.309"></a>
    318. 

  318. <span class="sourceLineNo">310</span>        }<a name="line.310"></a>
    319. 

  319. <span class="sourceLineNo">311</span>        this.meterAngle = angle;<a name="line.311"></a>
    320. 

  320. <span class="sourceLineNo">312</span>        fireChangeEvent();<a name="line.312"></a>
    321. 

  321. <span class="sourceLineNo">313</span>    }<a name="line.313"></a>
    322. 

  322. <span class="sourceLineNo">314</span><a name="line.314"></a>
    323. 

  323. <span class="sourceLineNo">315</span>    /**<a name="line.315"></a>
    324. 

  324. <span class="sourceLineNo">316</span>     * Returns the overall range for the dial.<a name="line.316"></a>
    325. 

  325. <span class="sourceLineNo">317</span>     *<a name="line.317"></a>
    326. 

  326. <span class="sourceLineNo">318</span>     * @return The overall range (never &lt;code&gt;null&lt;/code&gt;).<a name="line.318"></a>
    327. 

  327. <span class="sourceLineNo">319</span>     *<a name="line.319"></a>
    328. 

  328. <span class="sourceLineNo">320</span>     * @see #setRange(Range)<a name="line.320"></a>
    329. 

  329. <span class="sourceLineNo">321</span>     */<a name="line.321"></a>
    330. 

  330. <span class="sourceLineNo">322</span>    public Range getRange() {<a name="line.322"></a>
    331. 

  331. <span class="sourceLineNo">323</span>        return this.range;<a name="line.323"></a>
    332. 

  332. <span class="sourceLineNo">324</span>    }<a name="line.324"></a>
    333. 

  333. <span class="sourceLineNo">325</span><a name="line.325"></a>
    334. 

  334. <span class="sourceLineNo">326</span>    /**<a name="line.326"></a>
    335. 

  335. <span class="sourceLineNo">327</span>     * Sets the range for the dial and sends a {@link PlotChangeEvent} to all<a name="line.327"></a>
    336. 

  336. <span class="sourceLineNo">328</span>     * registered listeners.<a name="line.328"></a>
    337. 

  337. <span class="sourceLineNo">329</span>     *<a name="line.329"></a>
    338. 

  338. <span class="sourceLineNo">330</span>     * @param range  the range (&lt;code&gt;null&lt;/code&gt; not permitted and zero-length<a name="line.330"></a>
    339. 

  339. <span class="sourceLineNo">331</span>     *               ranges not permitted).<a name="line.331"></a>
    340. 

  340. <span class="sourceLineNo">332</span>     *<a name="line.332"></a>
    341. 

  341. <span class="sourceLineNo">333</span>     * @see #getRange()<a name="line.333"></a>
    342. 

  342. <span class="sourceLineNo">334</span>     */<a name="line.334"></a>
    343. 

  343. <span class="sourceLineNo">335</span>    public void setRange(Range range) {<a name="line.335"></a>
    344. 

  344. <span class="sourceLineNo">336</span>        ParamChecks.nullNotPermitted(range, "range");<a name="line.336"></a>
    345. 

  345. <span class="sourceLineNo">337</span>        if (!(range.getLength() &gt; 0.0)) {<a name="line.337"></a>
    346. 

  346. <span class="sourceLineNo">338</span>            throw new IllegalArgumentException(<a name="line.338"></a>
    347. 

  347. <span class="sourceLineNo">339</span>                    "Range length must be positive.");<a name="line.339"></a>
    348. 

  348. <span class="sourceLineNo">340</span>        }<a name="line.340"></a>
    349. 

  349. <span class="sourceLineNo">341</span>        this.range = range;<a name="line.341"></a>
    350. 

  350. <span class="sourceLineNo">342</span>        fireChangeEvent();<a name="line.342"></a>
    351. 

  351. <span class="sourceLineNo">343</span>    }<a name="line.343"></a>
    352. 

  352. <span class="sourceLineNo">344</span><a name="line.344"></a>
    353. 

  353. <span class="sourceLineNo">345</span>    /**<a name="line.345"></a>
    354. 

  354. <span class="sourceLineNo">346</span>     * Returns the tick size (the interval between ticks on the dial).<a name="line.346"></a>
    355. 

  355. <span class="sourceLineNo">347</span>     *<a name="line.347"></a>
    356. 

  356. <span class="sourceLineNo">348</span>     * @return The tick size.<a name="line.348"></a>
    357. 

  357. <span class="sourceLineNo">349</span>     *<a name="line.349"></a>
    358. 

  358. <span class="sourceLineNo">350</span>     * @see #setTickSize(double)<a name="line.350"></a>
    359. 

  359. <span class="sourceLineNo">351</span>     */<a name="line.351"></a>
    360. 

  360. <span class="sourceLineNo">352</span>    public double getTickSize() {<a name="line.352"></a>
    361. 

  361. <span class="sourceLineNo">353</span>        return this.tickSize;<a name="line.353"></a>
    362. 

  362. <span class="sourceLineNo">354</span>    }<a name="line.354"></a>
    363. 

  363. <span class="sourceLineNo">355</span><a name="line.355"></a>
    364. 

  364. <span class="sourceLineNo">356</span>    /**<a name="line.356"></a>
    365. 

  365. <span class="sourceLineNo">357</span>     * Sets the tick size and sends a {@link PlotChangeEvent} to all<a name="line.357"></a>
    366. 

  366. <span class="sourceLineNo">358</span>     * registered listeners.<a name="line.358"></a>
    367. 

  367. <span class="sourceLineNo">359</span>     *<a name="line.359"></a>
    368. 

  368. <span class="sourceLineNo">360</span>     * @param size  the tick size (must be &amp;gt; 0).<a name="line.360"></a>
    369. 

  369. <span class="sourceLineNo">361</span>     *<a name="line.361"></a>
    370. 

  370. <span class="sourceLineNo">362</span>     * @see #getTickSize()<a name="line.362"></a>
    371. 

  371. <span class="sourceLineNo">363</span>     */<a name="line.363"></a>
    372. 

  372. <span class="sourceLineNo">364</span>    public void setTickSize(double size) {<a name="line.364"></a>
    373. 

  373. <span class="sourceLineNo">365</span>        if (size &lt;= 0) {<a name="line.365"></a>
    374. 

  374. <span class="sourceLineNo">366</span>            throw new IllegalArgumentException("Requires 'size' &gt; 0.");<a name="line.366"></a>
    375. 

  375. <span class="sourceLineNo">367</span>        }<a name="line.367"></a>
    376. 

  376. <span class="sourceLineNo">368</span>        this.tickSize = size;<a name="line.368"></a>
    377. 

  377. <span class="sourceLineNo">369</span>        fireChangeEvent();<a name="line.369"></a>
    378. 

  378. <span class="sourceLineNo">370</span>    }<a name="line.370"></a>
    379. 

  379. <span class="sourceLineNo">371</span><a name="line.371"></a>
    380. 

  380. <span class="sourceLineNo">372</span>    /**<a name="line.372"></a>
    381. 

  381. <span class="sourceLineNo">373</span>     * Returns the paint used to draw the ticks around the dial.<a name="line.373"></a>
    382. 

  382. <span class="sourceLineNo">374</span>     *<a name="line.374"></a>
    383. 

  383. <span class="sourceLineNo">375</span>     * @return The paint used to draw the ticks around the dial (never<a name="line.375"></a>
    384. 

  384. <span class="sourceLineNo">376</span>     *         &lt;code&gt;null&lt;/code&gt;).<a name="line.376"></a>
    385. 

  385. <span class="sourceLineNo">377</span>     *<a name="line.377"></a>
    386. 

  386. <span class="sourceLineNo">378</span>     * @see #setTickPaint(Paint)<a name="line.378"></a>
    387. 

  387. <span class="sourceLineNo">379</span>     */<a name="line.379"></a>
    388. 

  388. <span class="sourceLineNo">380</span>    public Paint getTickPaint() {<a name="line.380"></a>
    389. 

  389. <span class="sourceLineNo">381</span>        return this.tickPaint;<a name="line.381"></a>
    390. 

  390. <span class="sourceLineNo">382</span>    }<a name="line.382"></a>
    391. 

  391. <span class="sourceLineNo">383</span><a name="line.383"></a>
    392. 

  392. <span class="sourceLineNo">384</span>    /**<a name="line.384"></a>
    393. 

  393. <span class="sourceLineNo">385</span>     * Sets the paint used to draw the tick labels around the dial and sends<a name="line.385"></a>
    394. 

  394. <span class="sourceLineNo">386</span>     * a {@link PlotChangeEvent} to all registered listeners.<a name="line.386"></a>
    395. 

  395. <span class="sourceLineNo">387</span>     *<a name="line.387"></a>
    396. 

  396. <span class="sourceLineNo">388</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.388"></a>
    397. 

  397. <span class="sourceLineNo">389</span>     *<a name="line.389"></a>
    398. 

  398. <span class="sourceLineNo">390</span>     * @see #getTickPaint()<a name="line.390"></a>
    399. 

  399. <span class="sourceLineNo">391</span>     */<a name="line.391"></a>
    400. 

  400. <span class="sourceLineNo">392</span>    public void setTickPaint(Paint paint) {<a name="line.392"></a>
    401. 

  401. <span class="sourceLineNo">393</span>        ParamChecks.nullNotPermitted(paint, "paint");<a name="line.393"></a>
    402. 

  402. <span class="sourceLineNo">394</span>        this.tickPaint = paint;<a name="line.394"></a>
    403. 

  403. <span class="sourceLineNo">395</span>        fireChangeEvent();<a name="line.395"></a>
    404. 

  404. <span class="sourceLineNo">396</span>    }<a name="line.396"></a>
    405. 

  405. <span class="sourceLineNo">397</span><a name="line.397"></a>
    406. 

  406. <span class="sourceLineNo">398</span>    /**<a name="line.398"></a>
    407. 

  407. <span class="sourceLineNo">399</span>     * Returns a string describing the units for the dial.<a name="line.399"></a>
    408. 

  408. <span class="sourceLineNo">400</span>     *<a name="line.400"></a>
    409. 

  409. <span class="sourceLineNo">401</span>     * @return The units (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.401"></a>
    410. 

  410. <span class="sourceLineNo">402</span>     *<a name="line.402"></a>
    411. 

  411. <span class="sourceLineNo">403</span>     * @see #setUnits(String)<a name="line.403"></a>
    412. 

  412. <span class="sourceLineNo">404</span>     */<a name="line.404"></a>
    413. 

  413. <span class="sourceLineNo">405</span>    public String getUnits() {<a name="line.405"></a>
    414. 

  414. <span class="sourceLineNo">406</span>        return this.units;<a name="line.406"></a>
    415. 

  415. <span class="sourceLineNo">407</span>    }<a name="line.407"></a>
    416. 

  416. <span class="sourceLineNo">408</span><a name="line.408"></a>
    417. 

  417. <span class="sourceLineNo">409</span>    /**<a name="line.409"></a>
    418. 

  418. <span class="sourceLineNo">410</span>     * Sets the units for the dial and sends a {@link PlotChangeEvent} to all<a name="line.410"></a>
    419. 

  419. <span class="sourceLineNo">411</span>     * registered listeners.<a name="line.411"></a>
    420. 

  420. <span class="sourceLineNo">412</span>     *<a name="line.412"></a>
    421. 

  421. <span class="sourceLineNo">413</span>     * @param units  the units (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.413"></a>
    422. 

  422. <span class="sourceLineNo">414</span>     *<a name="line.414"></a>
    423. 

  423. <span class="sourceLineNo">415</span>     * @see #getUnits()<a name="line.415"></a>
    424. 

  424. <span class="sourceLineNo">416</span>     */<a name="line.416"></a>
    425. 

  425. <span class="sourceLineNo">417</span>    public void setUnits(String units) {<a name="line.417"></a>
    426. 

  426. <span class="sourceLineNo">418</span>        this.units = units;<a name="line.418"></a>
    427. 

  427. <span class="sourceLineNo">419</span>        fireChangeEvent();<a name="line.419"></a>
    428. 

  428. <span class="sourceLineNo">420</span>    }<a name="line.420"></a>
    429. 

  429. <span class="sourceLineNo">421</span><a name="line.421"></a>
    430. 

  430. <span class="sourceLineNo">422</span>    /**<a name="line.422"></a>
    431. 

  431. <span class="sourceLineNo">423</span>     * Returns the paint for the needle.<a name="line.423"></a>
    432. 

  432. <span class="sourceLineNo">424</span>     *<a name="line.424"></a>
    433. 

  433. <span class="sourceLineNo">425</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.425"></a>
    434. 

  434. <span class="sourceLineNo">426</span>     *<a name="line.426"></a>
    435. 

  435. <span class="sourceLineNo">427</span>     * @see #setNeedlePaint(Paint)<a name="line.427"></a>
    436. 

  436. <span class="sourceLineNo">428</span>     */<a name="line.428"></a>
    437. 

  437. <span class="sourceLineNo">429</span>    public Paint getNeedlePaint() {<a name="line.429"></a>
    438. 

  438. <span class="sourceLineNo">430</span>        return this.needlePaint;<a name="line.430"></a>
    439. 

  439. <span class="sourceLineNo">431</span>    }<a name="line.431"></a>
    440. 

  440. <span class="sourceLineNo">432</span><a name="line.432"></a>
    441. 

  441. <span class="sourceLineNo">433</span>    /**<a name="line.433"></a>
    442. 

  442. <span class="sourceLineNo">434</span>     * Sets the paint used to display the needle and sends a<a name="line.434"></a>
    443. 

  443. <span class="sourceLineNo">435</span>     * {@link PlotChangeEvent} to all registered listeners.<a name="line.435"></a>
    444. 

  444. <span class="sourceLineNo">436</span>     *<a name="line.436"></a>
    445. 

  445. <span class="sourceLineNo">437</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.437"></a>
    446. 

  446. <span class="sourceLineNo">438</span>     *<a name="line.438"></a>
    447. 

  447. <span class="sourceLineNo">439</span>     * @see #getNeedlePaint()<a name="line.439"></a>
    448. 

  448. <span class="sourceLineNo">440</span>     */<a name="line.440"></a>
    449. 

  449. <span class="sourceLineNo">441</span>    public void setNeedlePaint(Paint paint) {<a name="line.441"></a>
    450. 

  450. <span class="sourceLineNo">442</span>        ParamChecks.nullNotPermitted(paint, "paint");<a name="line.442"></a>
    451. 

  451. <span class="sourceLineNo">443</span>        this.needlePaint = paint;<a name="line.443"></a>
    452. 

  452. <span class="sourceLineNo">444</span>        fireChangeEvent();<a name="line.444"></a>
    453. 

  453. <span class="sourceLineNo">445</span>    }<a name="line.445"></a>
    454. 

  454. <span class="sourceLineNo">446</span><a name="line.446"></a>
    455. 

  455. <span class="sourceLineNo">447</span>    /**<a name="line.447"></a>
    456. 

  456. <span class="sourceLineNo">448</span>     * Returns the flag that determines whether or not tick labels are visible.<a name="line.448"></a>
    457. 

  457. <span class="sourceLineNo">449</span>     *<a name="line.449"></a>
    458. 

  458. <span class="sourceLineNo">450</span>     * @return The flag.<a name="line.450"></a>
    459. 

  459. <span class="sourceLineNo">451</span>     *<a name="line.451"></a>
    460. 

  460. <span class="sourceLineNo">452</span>     * @see #setTickLabelsVisible(boolean)<a name="line.452"></a>
    461. 

  461. <span class="sourceLineNo">453</span>     */<a name="line.453"></a>
    462. 

  462. <span class="sourceLineNo">454</span>    public boolean getTickLabelsVisible() {<a name="line.454"></a>
    463. 

  463. <span class="sourceLineNo">455</span>        return this.tickLabelsVisible;<a name="line.455"></a>
    464. 

  464. <span class="sourceLineNo">456</span>    }<a name="line.456"></a>
    465. 

  465. <span class="sourceLineNo">457</span><a name="line.457"></a>
    466. 

  466. <span class="sourceLineNo">458</span>    /**<a name="line.458"></a>
    467. 

  467. <span class="sourceLineNo">459</span>     * Sets the flag that controls whether or not the tick labels are visible<a name="line.459"></a>
    468. 

  468. <span class="sourceLineNo">460</span>     * and sends a {@link PlotChangeEvent} to all registered listeners.<a name="line.460"></a>
    469. 

  469. <span class="sourceLineNo">461</span>     *<a name="line.461"></a>
    470. 

  470. <span class="sourceLineNo">462</span>     * @param visible  the flag.<a name="line.462"></a>
    471. 

  471. <span class="sourceLineNo">463</span>     *<a name="line.463"></a>
    472. 

  472. <span class="sourceLineNo">464</span>     * @see #getTickLabelsVisible()<a name="line.464"></a>
    473. 

  473. <span class="sourceLineNo">465</span>     */<a name="line.465"></a>
    474. 

  474. <span class="sourceLineNo">466</span>    public void setTickLabelsVisible(boolean visible) {<a name="line.466"></a>
    475. 

  475. <span class="sourceLineNo">467</span>        if (this.tickLabelsVisible != visible) {<a name="line.467"></a>
    476. 

  476. <span class="sourceLineNo">468</span>            this.tickLabelsVisible = visible;<a name="line.468"></a>
    477. 

  477. <span class="sourceLineNo">469</span>            fireChangeEvent();<a name="line.469"></a>
    478. 

  478. <span class="sourceLineNo">470</span>        }<a name="line.470"></a>
    479. 

  479. <span class="sourceLineNo">471</span>    }<a name="line.471"></a>
    480. 

  480. <span class="sourceLineNo">472</span><a name="line.472"></a>
    481. 

  481. <span class="sourceLineNo">473</span>    /**<a name="line.473"></a>
    482. 

  482. <span class="sourceLineNo">474</span>     * Returns the tick label font.<a name="line.474"></a>
    483. 

  483. <span class="sourceLineNo">475</span>     *<a name="line.475"></a>
    484. 

  484. <span class="sourceLineNo">476</span>     * @return The font (never &lt;code&gt;null&lt;/code&gt;).<a name="line.476"></a>
    485. 

  485. <span class="sourceLineNo">477</span>     *<a name="line.477"></a>
    486. 

  486. <span class="sourceLineNo">478</span>     * @see #setTickLabelFont(Font)<a name="line.478"></a>
    487. 

  487. <span class="sourceLineNo">479</span>     */<a name="line.479"></a>
    488. 

  488. <span class="sourceLineNo">480</span>    public Font getTickLabelFont() {<a name="line.480"></a>
    489. 

  489. <span class="sourceLineNo">481</span>        return this.tickLabelFont;<a name="line.481"></a>
    490. 

  490. <span class="sourceLineNo">482</span>    }<a name="line.482"></a>
    491. 

  491. <span class="sourceLineNo">483</span><a name="line.483"></a>
    492. 

  492. <span class="sourceLineNo">484</span>    /**<a name="line.484"></a>
    493. 

  493. <span class="sourceLineNo">485</span>     * Sets the tick label font and sends a {@link PlotChangeEvent} to all<a name="line.485"></a>
    494. 

  494. <span class="sourceLineNo">486</span>     * registered listeners.<a name="line.486"></a>
    495. 

  495. <span class="sourceLineNo">487</span>     *<a name="line.487"></a>
    496. 

  496. <span class="sourceLineNo">488</span>     * @param font  the font (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.488"></a>
    497. 

  497. <span class="sourceLineNo">489</span>     *<a name="line.489"></a>
    498. 

  498. <span class="sourceLineNo">490</span>     * @see #getTickLabelFont()<a name="line.490"></a>
    499. 

  499. <span class="sourceLineNo">491</span>     */<a name="line.491"></a>
    500. 

  500. <span class="sourceLineNo">492</span>    public void setTickLabelFont(Font font) {<a name="line.492"></a>
    501. 

  501. <span class="sourceLineNo">493</span>        ParamChecks.nullNotPermitted(font, "font");<a name="line.493"></a>
    502. 

  502. <span class="sourceLineNo">494</span>        if (!this.tickLabelFont.equals(font)) {<a name="line.494"></a>
    503. 

  503. <span class="sourceLineNo">495</span>            this.tickLabelFont = font;<a name="line.495"></a>
    504. 

  504. <span class="sourceLineNo">496</span>            fireChangeEvent();<a name="line.496"></a>
    505. 

  505. <span class="sourceLineNo">497</span>        }<a name="line.497"></a>
    506. 

  506. <span class="sourceLineNo">498</span>    }<a name="line.498"></a>
    507. 

  507. <span class="sourceLineNo">499</span><a name="line.499"></a>
    508. 

  508. <span class="sourceLineNo">500</span>    /**<a name="line.500"></a>
    509. 

  509. <span class="sourceLineNo">501</span>     * Returns the tick label paint.<a name="line.501"></a>
    510. 

  510. <span class="sourceLineNo">502</span>     *<a name="line.502"></a>
    511. 

  511. <span class="sourceLineNo">503</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.503"></a>
    512. 

  512. <span class="sourceLineNo">504</span>     *<a name="line.504"></a>
    513. 

  513. <span class="sourceLineNo">505</span>     * @see #setTickLabelPaint(Paint)<a name="line.505"></a>
    514. 

  514. <span class="sourceLineNo">506</span>     */<a name="line.506"></a>
    515. 

  515. <span class="sourceLineNo">507</span>    public Paint getTickLabelPaint() {<a name="line.507"></a>
    516. 

  516. <span class="sourceLineNo">508</span>        return this.tickLabelPaint;<a name="line.508"></a>
    517. 

  517. <span class="sourceLineNo">509</span>    }<a name="line.509"></a>
    518. 

  518. <span class="sourceLineNo">510</span><a name="line.510"></a>
    519. 

  519. <span class="sourceLineNo">511</span>    /**<a name="line.511"></a>
    520. 

  520. <span class="sourceLineNo">512</span>     * Sets the tick label paint and sends a {@link PlotChangeEvent} to all<a name="line.512"></a>
    521. 

  521. <span class="sourceLineNo">513</span>     * registered listeners.<a name="line.513"></a>
    522. 

  522. <span class="sourceLineNo">514</span>     *<a name="line.514"></a>
    523. 

  523. <span class="sourceLineNo">515</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.515"></a>
    524. 

  524. <span class="sourceLineNo">516</span>     *<a name="line.516"></a>
    525. 

  525. <span class="sourceLineNo">517</span>     * @see #getTickLabelPaint()<a name="line.517"></a>
    526. 

  526. <span class="sourceLineNo">518</span>     */<a name="line.518"></a>
    527. 

  527. <span class="sourceLineNo">519</span>    public void setTickLabelPaint(Paint paint) {<a name="line.519"></a>
    528. 

  528. <span class="sourceLineNo">520</span>        ParamChecks.nullNotPermitted(paint, "paint");<a name="line.520"></a>
    529. 

  529. <span class="sourceLineNo">521</span>        if (!this.tickLabelPaint.equals(paint)) {<a name="line.521"></a>
    530. 

  530. <span class="sourceLineNo">522</span>            this.tickLabelPaint = paint;<a name="line.522"></a>
    531. 

  531. <span class="sourceLineNo">523</span>            fireChangeEvent();<a name="line.523"></a>
    532. 

  532. <span class="sourceLineNo">524</span>        }<a name="line.524"></a>
    533. 

  533. <span class="sourceLineNo">525</span>    }<a name="line.525"></a>
    534. 

  534. <span class="sourceLineNo">526</span><a name="line.526"></a>
    535. 

  535. <span class="sourceLineNo">527</span>    /**<a name="line.527"></a>
    536. 

  536. <span class="sourceLineNo">528</span>     * Returns the tick label format.<a name="line.528"></a>
    537. 

  537. <span class="sourceLineNo">529</span>     *<a name="line.529"></a>
    538. 

  538. <span class="sourceLineNo">530</span>     * @return The tick label format (never &lt;code&gt;null&lt;/code&gt;).<a name="line.530"></a>
    539. 

  539. <span class="sourceLineNo">531</span>     *<a name="line.531"></a>
    540. 

  540. <span class="sourceLineNo">532</span>     * @see #setTickLabelFormat(NumberFormat)<a name="line.532"></a>
    541. 

  541. <span class="sourceLineNo">533</span>     */<a name="line.533"></a>
    542. 

  542. <span class="sourceLineNo">534</span>    public NumberFormat getTickLabelFormat() {<a name="line.534"></a>
    543. 

  543. <span class="sourceLineNo">535</span>        return this.tickLabelFormat;<a name="line.535"></a>
    544. 

  544. <span class="sourceLineNo">536</span>    }<a name="line.536"></a>
    545. 

  545. <span class="sourceLineNo">537</span><a name="line.537"></a>
    546. 

  546. <span class="sourceLineNo">538</span>    /**<a name="line.538"></a>
    547. 

  547. <span class="sourceLineNo">539</span>     * Sets the format for the tick labels and sends a {@link PlotChangeEvent}<a name="line.539"></a>
    548. 

  548. <span class="sourceLineNo">540</span>     * to all registered listeners.<a name="line.540"></a>
    549. 

  549. <span class="sourceLineNo">541</span>     *<a name="line.541"></a>
    550. 

  550. <span class="sourceLineNo">542</span>     * @param format  the format (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.542"></a>
    551. 

  551. <span class="sourceLineNo">543</span>     *<a name="line.543"></a>
    552. 

  552. <span class="sourceLineNo">544</span>     * @see #getTickLabelFormat()<a name="line.544"></a>
    553. 

  553. <span class="sourceLineNo">545</span>     */<a name="line.545"></a>
    554. 

  554. <span class="sourceLineNo">546</span>    public void setTickLabelFormat(NumberFormat format) {<a name="line.546"></a>
    555. 

  555. <span class="sourceLineNo">547</span>        ParamChecks.nullNotPermitted(format, "format");<a name="line.547"></a>
    556. 

  556. <span class="sourceLineNo">548</span>        this.tickLabelFormat = format;<a name="line.548"></a>
    557. 

  557. <span class="sourceLineNo">549</span>        fireChangeEvent();<a name="line.549"></a>
    558. 

  558. <span class="sourceLineNo">550</span>    }<a name="line.550"></a>
    559. 

  559. <span class="sourceLineNo">551</span><a name="line.551"></a>
    560. 

  560. <span class="sourceLineNo">552</span>    /**<a name="line.552"></a>
    561. 

  561. <span class="sourceLineNo">553</span>     * Returns the font for the value label.<a name="line.553"></a>
    562. 

  562. <span class="sourceLineNo">554</span>     *<a name="line.554"></a>
    563. 

  563. <span class="sourceLineNo">555</span>     * @return The font (never &lt;code&gt;null&lt;/code&gt;).<a name="line.555"></a>
    564. 

  564. <span class="sourceLineNo">556</span>     *<a name="line.556"></a>
    565. 

  565. <span class="sourceLineNo">557</span>     * @see #setValueFont(Font)<a name="line.557"></a>
    566. 

  566. <span class="sourceLineNo">558</span>     */<a name="line.558"></a>
    567. 

  567. <span class="sourceLineNo">559</span>    public Font getValueFont() {<a name="line.559"></a>
    568. 

  568. <span class="sourceLineNo">560</span>        return this.valueFont;<a name="line.560"></a>
    569. 

  569. <span class="sourceLineNo">561</span>    }<a name="line.561"></a>
    570. 

  570. <span class="sourceLineNo">562</span><a name="line.562"></a>
    571. 

  571. <span class="sourceLineNo">563</span>    /**<a name="line.563"></a>
    572. 

  572. <span class="sourceLineNo">564</span>     * Sets the font used to display the value label and sends a<a name="line.564"></a>
    573. 

  573. <span class="sourceLineNo">565</span>     * {@link PlotChangeEvent} to all registered listeners.<a name="line.565"></a>
    574. 

  574. <span class="sourceLineNo">566</span>     *<a name="line.566"></a>
    575. 

  575. <span class="sourceLineNo">567</span>     * @param font  the font (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.567"></a>
    576. 

  576. <span class="sourceLineNo">568</span>     *<a name="line.568"></a>
    577. 

  577. <span class="sourceLineNo">569</span>     * @see #getValueFont()<a name="line.569"></a>
    578. 

  578. <span class="sourceLineNo">570</span>     */<a name="line.570"></a>
    579. 

  579. <span class="sourceLineNo">571</span>    public void setValueFont(Font font) {<a name="line.571"></a>
    580. 

  580. <span class="sourceLineNo">572</span>        ParamChecks.nullNotPermitted(font, "font");<a name="line.572"></a>
    581. 

  581. <span class="sourceLineNo">573</span>        this.valueFont = font;<a name="line.573"></a>
    582. 

  582. <span class="sourceLineNo">574</span>        fireChangeEvent();<a name="line.574"></a>
    583. 

  583. <span class="sourceLineNo">575</span>    }<a name="line.575"></a>
    584. 

  584. <span class="sourceLineNo">576</span><a name="line.576"></a>
    585. 

  585. <span class="sourceLineNo">577</span>    /**<a name="line.577"></a>
    586. 

  586. <span class="sourceLineNo">578</span>     * Returns the paint for the value label.<a name="line.578"></a>
    587. 

  587. <span class="sourceLineNo">579</span>     *<a name="line.579"></a>
    588. 

  588. <span class="sourceLineNo">580</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.580"></a>
    589. 

  589. <span class="sourceLineNo">581</span>     *<a name="line.581"></a>
    590. 

  590. <span class="sourceLineNo">582</span>     * @see #setValuePaint(Paint)<a name="line.582"></a>
    591. 

  591. <span class="sourceLineNo">583</span>     */<a name="line.583"></a>
    592. 

  592. <span class="sourceLineNo">584</span>    public Paint getValuePaint() {<a name="line.584"></a>
    593. 

  593. <span class="sourceLineNo">585</span>        return this.valuePaint;<a name="line.585"></a>
    594. 

  594. <span class="sourceLineNo">586</span>    }<a name="line.586"></a>
    595. 

  595. <span class="sourceLineNo">587</span><a name="line.587"></a>
    596. 

  596. <span class="sourceLineNo">588</span>    /**<a name="line.588"></a>
    597. 

  597. <span class="sourceLineNo">589</span>     * Sets the paint used to display the value label and sends a<a name="line.589"></a>
    598. 

  598. <span class="sourceLineNo">590</span>     * {@link PlotChangeEvent} to all registered listeners.<a name="line.590"></a>
    599. 

  599. <span class="sourceLineNo">591</span>     *<a name="line.591"></a>
    600. 

  600. <span class="sourceLineNo">592</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.592"></a>
    601. 

  601. <span class="sourceLineNo">593</span>     *<a name="line.593"></a>
    602. 

  602. <span class="sourceLineNo">594</span>     * @see #getValuePaint()<a name="line.594"></a>
    603. 

  603. <span class="sourceLineNo">595</span>     */<a name="line.595"></a>
    604. 

  604. <span class="sourceLineNo">596</span>    public void setValuePaint(Paint paint) {<a name="line.596"></a>
    605. 

  605. <span class="sourceLineNo">597</span>        ParamChecks.nullNotPermitted(paint, "paint");<a name="line.597"></a>
    606. 

  606. <span class="sourceLineNo">598</span>        this.valuePaint = paint;<a name="line.598"></a>
    607. 

  607. <span class="sourceLineNo">599</span>        fireChangeEvent();<a name="line.599"></a>
    608. 

  608. <span class="sourceLineNo">600</span>    }<a name="line.600"></a>
    609. 

  609. <span class="sourceLineNo">601</span><a name="line.601"></a>
    610. 

  610. <span class="sourceLineNo">602</span>    /**<a name="line.602"></a>
    611. 

  611. <span class="sourceLineNo">603</span>     * Returns the paint for the dial background.<a name="line.603"></a>
    612. 

  612. <span class="sourceLineNo">604</span>     *<a name="line.604"></a>
    613. 

  613. <span class="sourceLineNo">605</span>     * @return The paint (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.605"></a>
    614. 

  614. <span class="sourceLineNo">606</span>     *<a name="line.606"></a>
    615. 

  615. <span class="sourceLineNo">607</span>     * @see #setDialBackgroundPaint(Paint)<a name="line.607"></a>
    616. 

  616. <span class="sourceLineNo">608</span>     */<a name="line.608"></a>
    617. 

  617. <span class="sourceLineNo">609</span>    public Paint getDialBackgroundPaint() {<a name="line.609"></a>
    618. 

  618. <span class="sourceLineNo">610</span>        return this.dialBackgroundPaint;<a name="line.610"></a>
    619. 

  619. <span class="sourceLineNo">611</span>    }<a name="line.611"></a>
    620. 

  620. <span class="sourceLineNo">612</span><a name="line.612"></a>
    621. 

  621. <span class="sourceLineNo">613</span>    /**<a name="line.613"></a>
    622. 

  622. <span class="sourceLineNo">614</span>     * Sets the paint used to fill the dial background.  Set this to<a name="line.614"></a>
    623. 

  623. <span class="sourceLineNo">615</span>     * &lt;code&gt;null&lt;/code&gt; for no background.<a name="line.615"></a>
    624. 

  624. <span class="sourceLineNo">616</span>     *<a name="line.616"></a>
    625. 

  625. <span class="sourceLineNo">617</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.617"></a>
    626. 

  626. <span class="sourceLineNo">618</span>     *<a name="line.618"></a>
    627. 

  627. <span class="sourceLineNo">619</span>     * @see #getDialBackgroundPaint()<a name="line.619"></a>
    628. 

  628. <span class="sourceLineNo">620</span>     */<a name="line.620"></a>
    629. 

  629. <span class="sourceLineNo">621</span>    public void setDialBackgroundPaint(Paint paint) {<a name="line.621"></a>
    630. 

  630. <span class="sourceLineNo">622</span>        this.dialBackgroundPaint = paint;<a name="line.622"></a>
    631. 

  631. <span class="sourceLineNo">623</span>        fireChangeEvent();<a name="line.623"></a>
    632. 

  632. <span class="sourceLineNo">624</span>    }<a name="line.624"></a>
    633. 

  633. <span class="sourceLineNo">625</span><a name="line.625"></a>
    634. 

  634. <span class="sourceLineNo">626</span>    /**<a name="line.626"></a>
    635. 

  635. <span class="sourceLineNo">627</span>     * Returns a flag that controls whether or not a rectangular border is<a name="line.627"></a>
    636. 

  636. <span class="sourceLineNo">628</span>     * drawn around the plot area.<a name="line.628"></a>
    637. 

  637. <span class="sourceLineNo">629</span>     *<a name="line.629"></a>
    638. 

  638. <span class="sourceLineNo">630</span>     * @return A flag.<a name="line.630"></a>
    639. 

  639. <span class="sourceLineNo">631</span>     *<a name="line.631"></a>
    640. 

  640. <span class="sourceLineNo">632</span>     * @see #setDrawBorder(boolean)<a name="line.632"></a>
    641. 

  641. <span class="sourceLineNo">633</span>     */<a name="line.633"></a>
    642. 

  642. <span class="sourceLineNo">634</span>    public boolean getDrawBorder() {<a name="line.634"></a>
    643. 

  643. <span class="sourceLineNo">635</span>        return this.drawBorder;<a name="line.635"></a>
    644. 

  644. <span class="sourceLineNo">636</span>    }<a name="line.636"></a>
    645. 

  645. <span class="sourceLineNo">637</span><a name="line.637"></a>
    646. 

  646. <span class="sourceLineNo">638</span>    /**<a name="line.638"></a>
    647. 

  647. <span class="sourceLineNo">639</span>     * Sets the flag that controls whether or not a rectangular border is drawn<a name="line.639"></a>
    648. 

  648. <span class="sourceLineNo">640</span>     * around the plot area and sends a {@link PlotChangeEvent} to all<a name="line.640"></a>
    649. 

  649. <span class="sourceLineNo">641</span>     * registered listeners.<a name="line.641"></a>
    650. 

  650. <span class="sourceLineNo">642</span>     *<a name="line.642"></a>
    651. 

  651. <span class="sourceLineNo">643</span>     * @param draw  the flag.<a name="line.643"></a>
    652. 

  652. <span class="sourceLineNo">644</span>     *<a name="line.644"></a>
    653. 

  653. <span class="sourceLineNo">645</span>     * @see #getDrawBorder()<a name="line.645"></a>
    654. 

  654. <span class="sourceLineNo">646</span>     */<a name="line.646"></a>
    655. 

  655. <span class="sourceLineNo">647</span>    public void setDrawBorder(boolean draw) {<a name="line.647"></a>
    656. 

  656. <span class="sourceLineNo">648</span>        // TODO: fix output when this flag is set to true<a name="line.648"></a>
    657. 

  657. <span class="sourceLineNo">649</span>        this.drawBorder = draw;<a name="line.649"></a>
    658. 

  658. <span class="sourceLineNo">650</span>        fireChangeEvent();<a name="line.650"></a>
    659. 

  659. <span class="sourceLineNo">651</span>    }<a name="line.651"></a>
    660. 

  660. <span class="sourceLineNo">652</span><a name="line.652"></a>
    661. 

  661. <span class="sourceLineNo">653</span>    /**<a name="line.653"></a>
    662. 

  662. <span class="sourceLineNo">654</span>     * Returns the dial outline paint.<a name="line.654"></a>
    663. 

  663. <span class="sourceLineNo">655</span>     *<a name="line.655"></a>
    664. 

  664. <span class="sourceLineNo">656</span>     * @return The paint.<a name="line.656"></a>
    665. 

  665. <span class="sourceLineNo">657</span>     *<a name="line.657"></a>
    666. 

  666. <span class="sourceLineNo">658</span>     * @see #setDialOutlinePaint(Paint)<a name="line.658"></a>
    667. 

  667. <span class="sourceLineNo">659</span>     */<a name="line.659"></a>
    668. 

  668. <span class="sourceLineNo">660</span>    public Paint getDialOutlinePaint() {<a name="line.660"></a>
    669. 

  669. <span class="sourceLineNo">661</span>        return this.dialOutlinePaint;<a name="line.661"></a>
    670. 

  670. <span class="sourceLineNo">662</span>    }<a name="line.662"></a>
    671. 

  671. <span class="sourceLineNo">663</span><a name="line.663"></a>
    672. 

  672. <span class="sourceLineNo">664</span>    /**<a name="line.664"></a>
    673. 

  673. <span class="sourceLineNo">665</span>     * Sets the dial outline paint and sends a {@link PlotChangeEvent} to all<a name="line.665"></a>
    674. 

  674. <span class="sourceLineNo">666</span>     * registered listeners.<a name="line.666"></a>
    675. 

  675. <span class="sourceLineNo">667</span>     *<a name="line.667"></a>
    676. 

  676. <span class="sourceLineNo">668</span>     * @param paint  the paint.<a name="line.668"></a>
    677. 

  677. <span class="sourceLineNo">669</span>     *<a name="line.669"></a>
    678. 

  678. <span class="sourceLineNo">670</span>     * @see #getDialOutlinePaint()<a name="line.670"></a>
    679. 

  679. <span class="sourceLineNo">671</span>     */<a name="line.671"></a>
    680. 

  680. <span class="sourceLineNo">672</span>    public void setDialOutlinePaint(Paint paint) {<a name="line.672"></a>
    681. 

  681. <span class="sourceLineNo">673</span>        this.dialOutlinePaint = paint;<a name="line.673"></a>
    682. 

  682. <span class="sourceLineNo">674</span>        fireChangeEvent();<a name="line.674"></a>
    683. 

  683. <span class="sourceLineNo">675</span>    }<a name="line.675"></a>
    684. 

  684. <span class="sourceLineNo">676</span><a name="line.676"></a>
    685. 

  685. <span class="sourceLineNo">677</span>    /**<a name="line.677"></a>
    686. 

  686. <span class="sourceLineNo">678</span>     * Returns the dataset for the plot.<a name="line.678"></a>
    687. 

  687. <span class="sourceLineNo">679</span>     *<a name="line.679"></a>
    688. 

  688. <span class="sourceLineNo">680</span>     * @return The dataset (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.680"></a>
    689. 

  689. <span class="sourceLineNo">681</span>     *<a name="line.681"></a>
    690. 

  690. <span class="sourceLineNo">682</span>     * @see #setDataset(ValueDataset)<a name="line.682"></a>
    691. 

  691. <span class="sourceLineNo">683</span>     */<a name="line.683"></a>
    692. 

  692. <span class="sourceLineNo">684</span>    public ValueDataset getDataset() {<a name="line.684"></a>
    693. 

  693. <span class="sourceLineNo">685</span>        return this.dataset;<a name="line.685"></a>
    694. 

  694. <span class="sourceLineNo">686</span>    }<a name="line.686"></a>
    695. 

  695. <span class="sourceLineNo">687</span><a name="line.687"></a>
    696. 

  696. <span class="sourceLineNo">688</span>    /**<a name="line.688"></a>
    697. 

  697. <span class="sourceLineNo">689</span>     * Sets the dataset for the plot, replacing the existing dataset if there<a name="line.689"></a>
    698. 

  698. <span class="sourceLineNo">690</span>     * is one, and triggers a {@link PlotChangeEvent}.<a name="line.690"></a>
    699. 

  699. <span class="sourceLineNo">691</span>     *<a name="line.691"></a>
    700. 

  700. <span class="sourceLineNo">692</span>     * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.692"></a>
    701. 

  701. <span class="sourceLineNo">693</span>     *<a name="line.693"></a>
    702. 

  702. <span class="sourceLineNo">694</span>     * @see #getDataset()<a name="line.694"></a>
    703. 

  703. <span class="sourceLineNo">695</span>     */<a name="line.695"></a>
    704. 

  704. <span class="sourceLineNo">696</span>    public void setDataset(ValueDataset dataset) {<a name="line.696"></a>
    705. 

  705. <span class="sourceLineNo">697</span><a name="line.697"></a>
    706. 

  706. <span class="sourceLineNo">698</span>        // if there is an existing dataset, remove the plot from the list of<a name="line.698"></a>
    707. 

  707. <span class="sourceLineNo">699</span>        // change listeners...<a name="line.699"></a>
    708. 

  708. <span class="sourceLineNo">700</span>        ValueDataset existing = this.dataset;<a name="line.700"></a>
    709. 

  709. <span class="sourceLineNo">701</span>        if (existing != null) {<a name="line.701"></a>
    710. 

  710. <span class="sourceLineNo">702</span>            existing.removeChangeListener(this);<a name="line.702"></a>
    711. 

  711. <span class="sourceLineNo">703</span>        }<a name="line.703"></a>
    712. 

  712. <span class="sourceLineNo">704</span><a name="line.704"></a>
    713. 

  713. <span class="sourceLineNo">705</span>        // set the new dataset, and register the chart as a change listener...<a name="line.705"></a>
    714. 

  714. <span class="sourceLineNo">706</span>        this.dataset = dataset;<a name="line.706"></a>
    715. 

  715. <span class="sourceLineNo">707</span>        if (dataset != null) {<a name="line.707"></a>
    716. 

  716. <span class="sourceLineNo">708</span>            setDatasetGroup(dataset.getGroup());<a name="line.708"></a>
    717. 

  717. <span class="sourceLineNo">709</span>            dataset.addChangeListener(this);<a name="line.709"></a>
    718. 

  718. <span class="sourceLineNo">710</span>        }<a name="line.710"></a>
    719. 

  719. <span class="sourceLineNo">711</span><a name="line.711"></a>
    720. 

  720. <span class="sourceLineNo">712</span>        // send a dataset change event to self...<a name="line.712"></a>
    721. 

  721. <span class="sourceLineNo">713</span>        DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);<a name="line.713"></a>
    722. 

  722. <span class="sourceLineNo">714</span>        datasetChanged(event);<a name="line.714"></a>
    723. 

  723. <span class="sourceLineNo">715</span><a name="line.715"></a>
    724. 

  724. <span class="sourceLineNo">716</span>    }<a name="line.716"></a>
    725. 

  725. <span class="sourceLineNo">717</span><a name="line.717"></a>
    726. 

  726. <span class="sourceLineNo">718</span>    /**<a name="line.718"></a>
    727. 

  727. <span class="sourceLineNo">719</span>     * Returns an unmodifiable list of the intervals for the plot.<a name="line.719"></a>
    728. 

  728. <span class="sourceLineNo">720</span>     *<a name="line.720"></a>
    729. 

  729. <span class="sourceLineNo">721</span>     * @return A list.<a name="line.721"></a>
    730. 

  730. <span class="sourceLineNo">722</span>     *<a name="line.722"></a>
    731. 

  731. <span class="sourceLineNo">723</span>     * @see #addInterval(MeterInterval)<a name="line.723"></a>
    732. 

  732. <span class="sourceLineNo">724</span>     */<a name="line.724"></a>
    733. 

  733. <span class="sourceLineNo">725</span>    public List getIntervals() {<a name="line.725"></a>
    734. 

  734. <span class="sourceLineNo">726</span>        return Collections.unmodifiableList(this.intervals);<a name="line.726"></a>
    735. 

  735. <span class="sourceLineNo">727</span>    }<a name="line.727"></a>
    736. 

  736. <span class="sourceLineNo">728</span><a name="line.728"></a>
    737. 

  737. <span class="sourceLineNo">729</span>    /**<a name="line.729"></a>
    738. 

  738. <span class="sourceLineNo">730</span>     * Adds an interval and sends a {@link PlotChangeEvent} to all registered<a name="line.730"></a>
    739. 

  739. <span class="sourceLineNo">731</span>     * listeners.<a name="line.731"></a>
    740. 

  740. <span class="sourceLineNo">732</span>     *<a name="line.732"></a>
    741. 

  741. <span class="sourceLineNo">733</span>     * @param interval  the interval (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.733"></a>
    742. 

  742. <span class="sourceLineNo">734</span>     *<a name="line.734"></a>
    743. 

  743. <span class="sourceLineNo">735</span>     * @see #getIntervals()<a name="line.735"></a>
    744. 

  744. <span class="sourceLineNo">736</span>     * @see #clearIntervals()<a name="line.736"></a>
    745. 

  745. <span class="sourceLineNo">737</span>     */<a name="line.737"></a>
    746. 

  746. <span class="sourceLineNo">738</span>    public void addInterval(MeterInterval interval) {<a name="line.738"></a>
    747. 

  747. <span class="sourceLineNo">739</span>        ParamChecks.nullNotPermitted(interval, "interval");<a name="line.739"></a>
    748. 

  748. <span class="sourceLineNo">740</span>        this.intervals.add(interval);<a name="line.740"></a>
    749. 

  749. <span class="sourceLineNo">741</span>        fireChangeEvent();<a name="line.741"></a>
    750. 

  750. <span class="sourceLineNo">742</span>    }<a name="line.742"></a>
    751. 

  751. <span class="sourceLineNo">743</span><a name="line.743"></a>
    752. 

  752. <span class="sourceLineNo">744</span>    /**<a name="line.744"></a>
    753. 

  753. <span class="sourceLineNo">745</span>     * Clears the intervals for the plot and sends a {@link PlotChangeEvent} to<a name="line.745"></a>
    754. 

  754. <span class="sourceLineNo">746</span>     * all registered listeners.<a name="line.746"></a>
    755. 

  755. <span class="sourceLineNo">747</span>     *<a name="line.747"></a>
    756. 

  756. <span class="sourceLineNo">748</span>     * @see #addInterval(MeterInterval)<a name="line.748"></a>
    757. 

  757. <span class="sourceLineNo">749</span>     */<a name="line.749"></a>
    758. 

  758. <span class="sourceLineNo">750</span>    public void clearIntervals() {<a name="line.750"></a>
    759. 

  759. <span class="sourceLineNo">751</span>        this.intervals.clear();<a name="line.751"></a>
    760. 

  760. <span class="sourceLineNo">752</span>        fireChangeEvent();<a name="line.752"></a>
    761. 

  761. <span class="sourceLineNo">753</span>    }<a name="line.753"></a>
    762. 

  762. <span class="sourceLineNo">754</span><a name="line.754"></a>
    763. 

  763. <span class="sourceLineNo">755</span>    /**<a name="line.755"></a>
    764. 

  764. <span class="sourceLineNo">756</span>     * Returns an item for each interval.<a name="line.756"></a>
    765. 

  765. <span class="sourceLineNo">757</span>     *<a name="line.757"></a>
    766. 

  766. <span class="sourceLineNo">758</span>     * @return A collection of legend items.<a name="line.758"></a>
    767. 

  767. <span class="sourceLineNo">759</span>     */<a name="line.759"></a>
    768. 

  768. <span class="sourceLineNo">760</span>    @Override<a name="line.760"></a>
    769. 

  769. <span class="sourceLineNo">761</span>    public LegendItemCollection getLegendItems() {<a name="line.761"></a>
    770. 

  770. <span class="sourceLineNo">762</span>        LegendItemCollection result = new LegendItemCollection();<a name="line.762"></a>
    771. 

  771. <span class="sourceLineNo">763</span>        Iterator iterator = this.intervals.iterator();<a name="line.763"></a>
    772. 

  772. <span class="sourceLineNo">764</span>        while (iterator.hasNext()) {<a name="line.764"></a>
    773. 

  773. <span class="sourceLineNo">765</span>            MeterInterval mi = (MeterInterval) iterator.next();<a name="line.765"></a>
    774. 

  774. <span class="sourceLineNo">766</span>            Paint color = mi.getBackgroundPaint();<a name="line.766"></a>
    775. 

  775. <span class="sourceLineNo">767</span>            if (color == null) {<a name="line.767"></a>
    776. 

  776. <span class="sourceLineNo">768</span>                color = mi.getOutlinePaint();<a name="line.768"></a>
    777. 

  777. <span class="sourceLineNo">769</span>            }<a name="line.769"></a>
    778. 

  778. <span class="sourceLineNo">770</span>            LegendItem item = new LegendItem(mi.getLabel(), mi.getLabel(),<a name="line.770"></a>
    779. 

  779. <span class="sourceLineNo">771</span>                    null, null, new Rectangle2D.Double(-4.0, -4.0, 8.0, 8.0),<a name="line.771"></a>
    780. 

  780. <span class="sourceLineNo">772</span>                    color);<a name="line.772"></a>
    781. 

  781. <span class="sourceLineNo">773</span>            item.setDataset(getDataset());<a name="line.773"></a>
    782. 

  782. <span class="sourceLineNo">774</span>            result.add(item);<a name="line.774"></a>
    783. 

  783. <span class="sourceLineNo">775</span>        }<a name="line.775"></a>
    784. 

  784. <span class="sourceLineNo">776</span>        return result;<a name="line.776"></a>
    785. 

  785. <span class="sourceLineNo">777</span>    }<a name="line.777"></a>
    786. 

  786. <span class="sourceLineNo">778</span><a name="line.778"></a>
    787. 

  787. <span class="sourceLineNo">779</span>    /**<a name="line.779"></a>
    788. 

  788. <span class="sourceLineNo">780</span>     * Draws the plot on a Java 2D graphics device (such as the screen or a<a name="line.780"></a>
    789. 

  789. <span class="sourceLineNo">781</span>     * printer).<a name="line.781"></a>
    790. 

  790. <span class="sourceLineNo">782</span>     *<a name="line.782"></a>
    791. 

  791. <span class="sourceLineNo">783</span>     * @param g2  the graphics device.<a name="line.783"></a>
    792. 

  792. <span class="sourceLineNo">784</span>     * @param area  the area within which the plot should be drawn.<a name="line.784"></a>
    793. 

  793. <span class="sourceLineNo">785</span>     * @param anchor  the anchor point (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.785"></a>
    794. 

  794. <span class="sourceLineNo">786</span>     * @param parentState  the state from the parent plot, if there is one.<a name="line.786"></a>
    795. 

  795. <span class="sourceLineNo">787</span>     * @param info  collects info about the drawing.<a name="line.787"></a>
    796. 

  796. <span class="sourceLineNo">788</span>     */<a name="line.788"></a>
    797. 

  797. <span class="sourceLineNo">789</span>    @Override<a name="line.789"></a>
    798. 

  798. <span class="sourceLineNo">790</span>    public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,<a name="line.790"></a>
    799. 

  799. <span class="sourceLineNo">791</span>                     PlotState parentState, PlotRenderingInfo info) {<a name="line.791"></a>
    800. 

  800. <span class="sourceLineNo">792</span><a name="line.792"></a>
    801. 

  801. <span class="sourceLineNo">793</span>        if (info != null) {<a name="line.793"></a>
    802. 

  802. <span class="sourceLineNo">794</span>            info.setPlotArea(area);<a name="line.794"></a>
    803. 

  803. <span class="sourceLineNo">795</span>        }<a name="line.795"></a>
    804. 

  804. <span class="sourceLineNo">796</span><a name="line.796"></a>
    805. 

  805. <span class="sourceLineNo">797</span>        // adjust for insets...<a name="line.797"></a>
    806. 

  806. <span class="sourceLineNo">798</span>        RectangleInsets insets = getInsets();<a name="line.798"></a>
    807. 

  807. <span class="sourceLineNo">799</span>        insets.trim(area);<a name="line.799"></a>
    808. 

  808. <span class="sourceLineNo">800</span><a name="line.800"></a>
    809. 

  809. <span class="sourceLineNo">801</span>        area.setRect(area.getX() + 4, area.getY() + 4, area.getWidth() - 8,<a name="line.801"></a>
    810. 

  810. <span class="sourceLineNo">802</span>                area.getHeight() - 8);<a name="line.802"></a>
    811. 

  811. <span class="sourceLineNo">803</span><a name="line.803"></a>
    812. 

  812. <span class="sourceLineNo">804</span>        // draw the background<a name="line.804"></a>
    813. 

  813. <span class="sourceLineNo">805</span>        if (this.drawBorder) {<a name="line.805"></a>
    814. 

  814. <span class="sourceLineNo">806</span>            drawBackground(g2, area);<a name="line.806"></a>
    815. 

  815. <span class="sourceLineNo">807</span>        }<a name="line.807"></a>
    816. 

  816. <span class="sourceLineNo">808</span><a name="line.808"></a>
    817. 

  817. <span class="sourceLineNo">809</span>        // adjust the plot area by the interior spacing value<a name="line.809"></a>
    818. 

  818. <span class="sourceLineNo">810</span>        double gapHorizontal = (2 * DEFAULT_BORDER_SIZE);<a name="line.810"></a>
    819. 

  819. <span class="sourceLineNo">811</span>        double gapVertical = (2 * DEFAULT_BORDER_SIZE);<a name="line.811"></a>
    820. 

  820. <span class="sourceLineNo">812</span>        double meterX = area.getX() + gapHorizontal / 2;<a name="line.812"></a>
    821. 

  821. <span class="sourceLineNo">813</span>        double meterY = area.getY() + gapVertical / 2;<a name="line.813"></a>
    822. 

  822. <span class="sourceLineNo">814</span>        double meterW = area.getWidth() - gapHorizontal;<a name="line.814"></a>
    823. 

  823. <span class="sourceLineNo">815</span>        double meterH = area.getHeight() - gapVertical<a name="line.815"></a>
    824. 

  824. <span class="sourceLineNo">816</span>                + ((this.meterAngle &lt;= 180) &amp;&amp; (this.shape != DialShape.CIRCLE)<a name="line.816"></a>
    825. 

  825. <span class="sourceLineNo">817</span>                ? area.getHeight() / 1.25 : 0);<a name="line.817"></a>
    826. 

  826. <span class="sourceLineNo">818</span><a name="line.818"></a>
    827. 

  827. <span class="sourceLineNo">819</span>        double min = Math.min(meterW, meterH) / 2;<a name="line.819"></a>
    828. 

  828. <span class="sourceLineNo">820</span>        meterX = (meterX + meterX + meterW) / 2 - min;<a name="line.820"></a>
    829. 

  829. <span class="sourceLineNo">821</span>        meterY = (meterY + meterY + meterH) / 2 - min;<a name="line.821"></a>
    830. 

  830. <span class="sourceLineNo">822</span>        meterW = 2 * min;<a name="line.822"></a>
    831. 

  831. <span class="sourceLineNo">823</span>        meterH = 2 * min;<a name="line.823"></a>
    832. 

  832. <span class="sourceLineNo">824</span><a name="line.824"></a>
    833. 

  833. <span class="sourceLineNo">825</span>        Rectangle2D meterArea = new Rectangle2D.Double(meterX, meterY, meterW,<a name="line.825"></a>
    834. 

  834. <span class="sourceLineNo">826</span>                meterH);<a name="line.826"></a>
    835. 

  835. <span class="sourceLineNo">827</span><a name="line.827"></a>
    836. 

  836. <span class="sourceLineNo">828</span>        Rectangle2D.Double originalArea = new Rectangle2D.Double(<a name="line.828"></a>
    837. 

  837. <span class="sourceLineNo">829</span>                meterArea.getX() - 4, meterArea.getY() - 4,<a name="line.829"></a>
    838. 

  838. <span class="sourceLineNo">830</span>                meterArea.getWidth() + 8, meterArea.getHeight() + 8);<a name="line.830"></a>
    839. 

  839. <span class="sourceLineNo">831</span><a name="line.831"></a>
    840. 

  840. <span class="sourceLineNo">832</span>        double meterMiddleX = meterArea.getCenterX();<a name="line.832"></a>
    841. 

  841. <span class="sourceLineNo">833</span>        double meterMiddleY = meterArea.getCenterY();<a name="line.833"></a>
    842. 

  842. <span class="sourceLineNo">834</span><a name="line.834"></a>
    843. 

  843. <span class="sourceLineNo">835</span>        // plot the data (unless the dataset is null)...<a name="line.835"></a>
    844. 

  844. <span class="sourceLineNo">836</span>        ValueDataset data = getDataset();<a name="line.836"></a>
    845. 

  845. <span class="sourceLineNo">837</span>        if (data != null) {<a name="line.837"></a>
    846. 

  846. <span class="sourceLineNo">838</span>            double dataMin = this.range.getLowerBound();<a name="line.838"></a>
    847. 

  847. <span class="sourceLineNo">839</span>            double dataMax = this.range.getUpperBound();<a name="line.839"></a>
    848. 

  848. <span class="sourceLineNo">840</span><a name="line.840"></a>
    849. 

  849. <span class="sourceLineNo">841</span>            Shape savedClip = g2.getClip();<a name="line.841"></a>
    850. 

  850. <span class="sourceLineNo">842</span>            g2.clip(originalArea);<a name="line.842"></a>
    851. 

  851. <span class="sourceLineNo">843</span>            Composite originalComposite = g2.getComposite();<a name="line.843"></a>
    852. 

  852. <span class="sourceLineNo">844</span>            g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,<a name="line.844"></a>
    853. 

  853. <span class="sourceLineNo">845</span>                    getForegroundAlpha()));<a name="line.845"></a>
    854. 

  854. <span class="sourceLineNo">846</span><a name="line.846"></a>
    855. 

  855. <span class="sourceLineNo">847</span>            if (this.dialBackgroundPaint != null) {<a name="line.847"></a>
    856. 

  856. <span class="sourceLineNo">848</span>                fillArc(g2, originalArea, dataMin, dataMax,<a name="line.848"></a>
    857. 

  857. <span class="sourceLineNo">849</span>                        this.dialBackgroundPaint, true);<a name="line.849"></a>
    858. 

  858. <span class="sourceLineNo">850</span>            }<a name="line.850"></a>
    859. 

  859. <span class="sourceLineNo">851</span>            drawTicks(g2, meterArea, dataMin, dataMax);<a name="line.851"></a>
    860. 

  860. <span class="sourceLineNo">852</span>            drawArcForInterval(g2, meterArea, new MeterInterval("", this.range,<a name="line.852"></a>
    861. 

  861. <span class="sourceLineNo">853</span>                    this.dialOutlinePaint, new BasicStroke(1.0f), null));<a name="line.853"></a>
    862. 

  862. <span class="sourceLineNo">854</span><a name="line.854"></a>
    863. 

  863. <span class="sourceLineNo">855</span>            Iterator iterator = this.intervals.iterator();<a name="line.855"></a>
    864. 

  864. <span class="sourceLineNo">856</span>            while (iterator.hasNext()) {<a name="line.856"></a>
    865. 

  865. <span class="sourceLineNo">857</span>                MeterInterval interval = (MeterInterval) iterator.next();<a name="line.857"></a>
    866. 

  866. <span class="sourceLineNo">858</span>                drawArcForInterval(g2, meterArea, interval);<a name="line.858"></a>
    867. 

  867. <span class="sourceLineNo">859</span>            }<a name="line.859"></a>
    868. 

  868. <span class="sourceLineNo">860</span><a name="line.860"></a>
    869. 

  869. <span class="sourceLineNo">861</span>            Number n = data.getValue();<a name="line.861"></a>
    870. 

  870. <span class="sourceLineNo">862</span>            if (n != null) {<a name="line.862"></a>
    871. 

  871. <span class="sourceLineNo">863</span>                double value = n.doubleValue();<a name="line.863"></a>
    872. 

  872. <span class="sourceLineNo">864</span>                drawValueLabel(g2, meterArea);<a name="line.864"></a>
    873. 

  873. <span class="sourceLineNo">865</span><a name="line.865"></a>
    874. 

  874. <span class="sourceLineNo">866</span>                if (this.range.contains(value)) {<a name="line.866"></a>
    875. 

  875. <span class="sourceLineNo">867</span>                    g2.setPaint(this.needlePaint);<a name="line.867"></a>
    876. 

  876. <span class="sourceLineNo">868</span>                    g2.setStroke(new BasicStroke(2.0f));<a name="line.868"></a>
    877. 

  877. <span class="sourceLineNo">869</span><a name="line.869"></a>
    878. 

  878. <span class="sourceLineNo">870</span>                    double radius = (meterArea.getWidth() / 2)<a name="line.870"></a>
    879. 

  879. <span class="sourceLineNo">871</span>                                    + DEFAULT_BORDER_SIZE + 15;<a name="line.871"></a>
    880. 

  880. <span class="sourceLineNo">872</span>                    double valueAngle = valueToAngle(value);<a name="line.872"></a>
    881. 

  881. <span class="sourceLineNo">873</span>                    double valueP1 = meterMiddleX<a name="line.873"></a>
    882. 

  882. <span class="sourceLineNo">874</span>                            + (radius * Math.cos(Math.PI * (valueAngle / 180)));<a name="line.874"></a>
    883. 

  883. <span class="sourceLineNo">875</span>                    double valueP2 = meterMiddleY<a name="line.875"></a>
    884. 

  884. <span class="sourceLineNo">876</span>                            - (radius * Math.sin(Math.PI * (valueAngle / 180)));<a name="line.876"></a>
    885. 

  885. <span class="sourceLineNo">877</span><a name="line.877"></a>
    886. 

  886. <span class="sourceLineNo">878</span>                    Polygon arrow = new Polygon();<a name="line.878"></a>
    887. 

  887. <span class="sourceLineNo">879</span>                    if ((valueAngle &gt; 135 &amp;&amp; valueAngle &lt; 225)<a name="line.879"></a>
    888. 

  888. <span class="sourceLineNo">880</span>                        || (valueAngle &lt; 45 &amp;&amp; valueAngle &gt; -45)) {<a name="line.880"></a>
    889. 

  889. <span class="sourceLineNo">881</span><a name="line.881"></a>
    890. 

  890. <span class="sourceLineNo">882</span>                        double valueP3 = (meterMiddleY<a name="line.882"></a>
    891. 

  891. <span class="sourceLineNo">883</span>                                - DEFAULT_CIRCLE_SIZE / 4);<a name="line.883"></a>
    892. 

  892. <span class="sourceLineNo">884</span>                        double valueP4 = (meterMiddleY<a name="line.884"></a>
    893. 

  893. <span class="sourceLineNo">885</span>                                + DEFAULT_CIRCLE_SIZE / 4);<a name="line.885"></a>
    894. 

  894. <span class="sourceLineNo">886</span>                        arrow.addPoint((int) meterMiddleX, (int) valueP3);<a name="line.886"></a>
    895. 

  895. <span class="sourceLineNo">887</span>                        arrow.addPoint((int) meterMiddleX, (int) valueP4);<a name="line.887"></a>
    896. 

  896. <span class="sourceLineNo">888</span><a name="line.888"></a>
    897. 

  897. <span class="sourceLineNo">889</span>                    }<a name="line.889"></a>
    898. 

  898. <span class="sourceLineNo">890</span>                    else {<a name="line.890"></a>
    899. 

  899. <span class="sourceLineNo">891</span>                        arrow.addPoint((int) (meterMiddleX<a name="line.891"></a>
    900. 

  900. <span class="sourceLineNo">892</span>                                - DEFAULT_CIRCLE_SIZE / 4), (int) meterMiddleY);<a name="line.892"></a>
    901. 

  901. <span class="sourceLineNo">893</span>                        arrow.addPoint((int) (meterMiddleX<a name="line.893"></a>
    902. 

  902. <span class="sourceLineNo">894</span>                                + DEFAULT_CIRCLE_SIZE / 4), (int) meterMiddleY);<a name="line.894"></a>
    903. 

  903. <span class="sourceLineNo">895</span>                    }<a name="line.895"></a>
    904. 

  904. <span class="sourceLineNo">896</span>                    arrow.addPoint((int) valueP1, (int) valueP2);<a name="line.896"></a>
    905. 

  905. <span class="sourceLineNo">897</span>                    g2.fill(arrow);<a name="line.897"></a>
    906. 

  906. <span class="sourceLineNo">898</span><a name="line.898"></a>
    907. 

  907. <span class="sourceLineNo">899</span>                    Ellipse2D circle = new Ellipse2D.Double(meterMiddleX<a name="line.899"></a>
    908. 

  908. <span class="sourceLineNo">900</span>                            - DEFAULT_CIRCLE_SIZE / 2, meterMiddleY<a name="line.900"></a>
    909. 

  909. <span class="sourceLineNo">901</span>                            - DEFAULT_CIRCLE_SIZE / 2, DEFAULT_CIRCLE_SIZE,<a name="line.901"></a>
    910. 

  910. <span class="sourceLineNo">902</span>                            DEFAULT_CIRCLE_SIZE);<a name="line.902"></a>
    911. 

  911. <span class="sourceLineNo">903</span>                    g2.fill(circle);<a name="line.903"></a>
    912. 

  912. <span class="sourceLineNo">904</span>                }<a name="line.904"></a>
    913. 

  913. <span class="sourceLineNo">905</span>            }<a name="line.905"></a>
    914. 

  914. <span class="sourceLineNo">906</span><a name="line.906"></a>
    915. 

  915. <span class="sourceLineNo">907</span>            g2.setClip(savedClip);<a name="line.907"></a>
    916. 

  916. <span class="sourceLineNo">908</span>            g2.setComposite(originalComposite);<a name="line.908"></a>
    917. 

  917. <span class="sourceLineNo">909</span><a name="line.909"></a>
    918. 

  918. <span class="sourceLineNo">910</span>        }<a name="line.910"></a>
    919. 

  919. <span class="sourceLineNo">911</span>        if (this.drawBorder) {<a name="line.911"></a>
    920. 

  920. <span class="sourceLineNo">912</span>            drawOutline(g2, area);<a name="line.912"></a>
    921. 

  921. <span class="sourceLineNo">913</span>        }<a name="line.913"></a>
    922. 

  922. <span class="sourceLineNo">914</span><a name="line.914"></a>
    923. 

  923. <span class="sourceLineNo">915</span>    }<a name="line.915"></a>
    924. 

  924. <span class="sourceLineNo">916</span><a name="line.916"></a>
    925. 

  925. <span class="sourceLineNo">917</span>    /**<a name="line.917"></a>
    926. 

  926. <span class="sourceLineNo">918</span>     * Draws the arc to represent an interval.<a name="line.918"></a>
    927. 

  927. <span class="sourceLineNo">919</span>     *<a name="line.919"></a>
    928. 

  928. <span class="sourceLineNo">920</span>     * @param g2  the graphics device.<a name="line.920"></a>
    929. 

  929. <span class="sourceLineNo">921</span>     * @param meterArea  the drawing area.<a name="line.921"></a>
    930. 

  930. <span class="sourceLineNo">922</span>     * @param interval  the interval.<a name="line.922"></a>
    931. 

  931. <span class="sourceLineNo">923</span>     */<a name="line.923"></a>
    932. 

  932. <span class="sourceLineNo">924</span>    protected void drawArcForInterval(Graphics2D g2, Rectangle2D meterArea,<a name="line.924"></a>
    933. 

  933. <span class="sourceLineNo">925</span>                                      MeterInterval interval) {<a name="line.925"></a>
    934. 

  934. <span class="sourceLineNo">926</span><a name="line.926"></a>
    935. 

  935. <span class="sourceLineNo">927</span>        double minValue = interval.getRange().getLowerBound();<a name="line.927"></a>
    936. 

  936. <span class="sourceLineNo">928</span>        double maxValue = interval.getRange().getUpperBound();<a name="line.928"></a>
    937. 

  937. <span class="sourceLineNo">929</span>        Paint outlinePaint = interval.getOutlinePaint();<a name="line.929"></a>
    938. 

  938. <span class="sourceLineNo">930</span>        Stroke outlineStroke = interval.getOutlineStroke();<a name="line.930"></a>
    939. 

  939. <span class="sourceLineNo">931</span>        Paint backgroundPaint = interval.getBackgroundPaint();<a name="line.931"></a>
    940. 

  940. <span class="sourceLineNo">932</span><a name="line.932"></a>
    941. 

  941. <span class="sourceLineNo">933</span>        if (backgroundPaint != null) {<a name="line.933"></a>
    942. 

  942. <span class="sourceLineNo">934</span>            fillArc(g2, meterArea, minValue, maxValue, backgroundPaint, false);<a name="line.934"></a>
    943. 

  943. <span class="sourceLineNo">935</span>        }<a name="line.935"></a>
    944. 

  944. <span class="sourceLineNo">936</span>        if (outlinePaint != null) {<a name="line.936"></a>
    945. 

  945. <span class="sourceLineNo">937</span>            if (outlineStroke != null) {<a name="line.937"></a>
    946. 

  946. <span class="sourceLineNo">938</span>                drawArc(g2, meterArea, minValue, maxValue, outlinePaint,<a name="line.938"></a>
    947. 

  947. <span class="sourceLineNo">939</span>                        outlineStroke);<a name="line.939"></a>
    948. 

  948. <span class="sourceLineNo">940</span>            }<a name="line.940"></a>
    949. 

  949. <span class="sourceLineNo">941</span>            drawTick(g2, meterArea, minValue, true);<a name="line.941"></a>
    950. 

  950. <span class="sourceLineNo">942</span>            drawTick(g2, meterArea, maxValue, true);<a name="line.942"></a>
    951. 

  951. <span class="sourceLineNo">943</span>        }<a name="line.943"></a>
    952. 

  952. <span class="sourceLineNo">944</span>    }<a name="line.944"></a>
    953. 

  953. <span class="sourceLineNo">945</span><a name="line.945"></a>
    954. 

  954. <span class="sourceLineNo">946</span>    /**<a name="line.946"></a>
    955. 

  955. <span class="sourceLineNo">947</span>     * Draws an arc.<a name="line.947"></a>
    956. 

  956. <span class="sourceLineNo">948</span>     *<a name="line.948"></a>
    957. 

  957. <span class="sourceLineNo">949</span>     * @param g2  the graphics device.<a name="line.949"></a>
    958. 

  958. <span class="sourceLineNo">950</span>     * @param area  the plot area.<a name="line.950"></a>
    959. 

  959. <span class="sourceLineNo">951</span>     * @param minValue  the minimum value.<a name="line.951"></a>
    960. 

  960. <span class="sourceLineNo">952</span>     * @param maxValue  the maximum value.<a name="line.952"></a>
    961. 

  961. <span class="sourceLineNo">953</span>     * @param paint  the paint.<a name="line.953"></a>
    962. 

  962. <span class="sourceLineNo">954</span>     * @param stroke  the stroke.<a name="line.954"></a>
    963. 

  963. <span class="sourceLineNo">955</span>     */<a name="line.955"></a>
    964. 

  964. <span class="sourceLineNo">956</span>    protected void drawArc(Graphics2D g2, Rectangle2D area, double minValue,<a name="line.956"></a>
    965. 

  965. <span class="sourceLineNo">957</span>                           double maxValue, Paint paint, Stroke stroke) {<a name="line.957"></a>
    966. 

  966. <span class="sourceLineNo">958</span><a name="line.958"></a>
    967. 

  967. <span class="sourceLineNo">959</span>        double startAngle = valueToAngle(maxValue);<a name="line.959"></a>
    968. 

  968. <span class="sourceLineNo">960</span>        double endAngle = valueToAngle(minValue);<a name="line.960"></a>
    969. 

  969. <span class="sourceLineNo">961</span>        double extent = endAngle - startAngle;<a name="line.961"></a>
    970. 

  970. <span class="sourceLineNo">962</span><a name="line.962"></a>
    971. 

  971. <span class="sourceLineNo">963</span>        double x = area.getX();<a name="line.963"></a>
    972. 

  972. <span class="sourceLineNo">964</span>        double y = area.getY();<a name="line.964"></a>
    973. 

  973. <span class="sourceLineNo">965</span>        double w = area.getWidth();<a name="line.965"></a>
    974. 

  974. <span class="sourceLineNo">966</span>        double h = area.getHeight();<a name="line.966"></a>
    975. 

  975. <span class="sourceLineNo">967</span>        g2.setPaint(paint);<a name="line.967"></a>
    976. 

  976. <span class="sourceLineNo">968</span>        g2.setStroke(stroke);<a name="line.968"></a>
    977. 

  977. <span class="sourceLineNo">969</span><a name="line.969"></a>
    978. 

  978. <span class="sourceLineNo">970</span>        if (paint != null &amp;&amp; stroke != null) {<a name="line.970"></a>
    979. 

  979. <span class="sourceLineNo">971</span>            Arc2D.Double arc = new Arc2D.Double(x, y, w, h, startAngle,<a name="line.971"></a>
    980. 

  980. <span class="sourceLineNo">972</span>                    extent, Arc2D.OPEN);<a name="line.972"></a>
    981. 

  981. <span class="sourceLineNo">973</span>            g2.setPaint(paint);<a name="line.973"></a>
    982. 

  982. <span class="sourceLineNo">974</span>            g2.setStroke(stroke);<a name="line.974"></a>
    983. 

  983. <span class="sourceLineNo">975</span>            g2.draw(arc);<a name="line.975"></a>
    984. 

  984. <span class="sourceLineNo">976</span>        }<a name="line.976"></a>
    985. 

  985. <span class="sourceLineNo">977</span><a name="line.977"></a>
    986. 

  986. <span class="sourceLineNo">978</span>    }<a name="line.978"></a>
    987. 

  987. <span class="sourceLineNo">979</span><a name="line.979"></a>
    988. 

  988. <span class="sourceLineNo">980</span>    /**<a name="line.980"></a>
    989. 

  989. <span class="sourceLineNo">981</span>     * Fills an arc on the dial between the given values.<a name="line.981"></a>
    990. 

  990. <span class="sourceLineNo">982</span>     *<a name="line.982"></a>
    991. 

  991. <span class="sourceLineNo">983</span>     * @param g2  the graphics device.<a name="line.983"></a>
    992. 

  992. <span class="sourceLineNo">984</span>     * @param area  the plot area.<a name="line.984"></a>
    993. 

  993. <span class="sourceLineNo">985</span>     * @param minValue  the minimum data value.<a name="line.985"></a>
    994. 

  994. <span class="sourceLineNo">986</span>     * @param maxValue  the maximum data value.<a name="line.986"></a>
    995. 

  995. <span class="sourceLineNo">987</span>     * @param paint  the background paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.987"></a>
    996. 

  996. <span class="sourceLineNo">988</span>     * @param dial  a flag that indicates whether the arc represents the whole<a name="line.988"></a>
    997. 

  997. <span class="sourceLineNo">989</span>     *              dial.<a name="line.989"></a>
    998. 

  998. <span class="sourceLineNo">990</span>     */<a name="line.990"></a>
    999. 

  999. <span class="sourceLineNo">991</span>    protected void fillArc(Graphics2D g2, Rectangle2D area,<a name="line.991"></a>
    1000. 

  1000. <span class="sourceLineNo">992</span>            double minValue, double maxValue, Paint paint, boolean dial) {<a name="line.992"></a>
    1001. 

  1001. <span class="sourceLineNo">993</span><a name="line.993"></a>
    1002. 

  1002. <span class="sourceLineNo">994</span>        ParamChecks.nullNotPermitted(paint, "paint");<a name="line.994"></a>
    1003. 

  1003. <span class="sourceLineNo">995</span>        double startAngle = valueToAngle(maxValue);<a name="line.995"></a>
    1004. 

  1004. <span class="sourceLineNo">996</span>        double endAngle = valueToAngle(minValue);<a name="line.996"></a>
    1005. 

  1005. <span class="sourceLineNo">997</span>        double extent = endAngle - startAngle;<a name="line.997"></a>
    1006. 

  1006. <span class="sourceLineNo">998</span><a name="line.998"></a>
    1007. 

  1007. <span class="sourceLineNo">999</span>        double x = area.getX();<a name="line.999"></a>
    1008. 

  1008. <span class="sourceLineNo">1000</span>        double y = area.getY();<a name="line.1000"></a>
    1009. 

  1009. <span class="sourceLineNo">1001</span>        double w = area.getWidth();<a name="line.1001"></a>
    1010. 

  1010. <span class="sourceLineNo">1002</span>        double h = area.getHeight();<a name="line.1002"></a>
    1011. 

  1011. <span class="sourceLineNo">1003</span>        int joinType = Arc2D.OPEN;<a name="line.1003"></a>
    1012. 

  1012. <span class="sourceLineNo">1004</span>        if (this.shape == DialShape.PIE) {<a name="line.1004"></a>
    1013. 

  1013. <span class="sourceLineNo">1005</span>            joinType = Arc2D.PIE;<a name="line.1005"></a>
    1014. 

  1014. <span class="sourceLineNo">1006</span>        }<a name="line.1006"></a>
    1015. 

  1015. <span class="sourceLineNo">1007</span>        else if (this.shape == DialShape.CHORD) {<a name="line.1007"></a>
    1016. 

  1016. <span class="sourceLineNo">1008</span>            if (dial &amp;&amp; this.meterAngle &gt; 180) {<a name="line.1008"></a>
    1017. 

  1017. <span class="sourceLineNo">1009</span>                joinType = Arc2D.CHORD;<a name="line.1009"></a>
    1018. 

  1018. <span class="sourceLineNo">1010</span>            }<a name="line.1010"></a>
    1019. 

  1019. <span class="sourceLineNo">1011</span>            else {<a name="line.1011"></a>
    1020. 

  1020. <span class="sourceLineNo">1012</span>                joinType = Arc2D.PIE;<a name="line.1012"></a>
    1021. 

  1021. <span class="sourceLineNo">1013</span>            }<a name="line.1013"></a>
    1022. 

  1022. <span class="sourceLineNo">1014</span>        }<a name="line.1014"></a>
    1023. 

  1023. <span class="sourceLineNo">1015</span>        else if (this.shape == DialShape.CIRCLE) {<a name="line.1015"></a>
    1024. 

  1024. <span class="sourceLineNo">1016</span>            joinType = Arc2D.PIE;<a name="line.1016"></a>
    1025. 

  1025. <span class="sourceLineNo">1017</span>            if (dial) {<a name="line.1017"></a>
    1026. 

  1026. <span class="sourceLineNo">1018</span>                extent = 360;<a name="line.1018"></a>
    1027. 

  1027. <span class="sourceLineNo">1019</span>            }<a name="line.1019"></a>
    1028. 

  1028. <span class="sourceLineNo">1020</span>        }<a name="line.1020"></a>
    1029. 

  1029. <span class="sourceLineNo">1021</span>        else {<a name="line.1021"></a>
    1030. 

  1030. <span class="sourceLineNo">1022</span>            throw new IllegalStateException("DialShape not recognised.");<a name="line.1022"></a>
    1031. 

  1031. <span class="sourceLineNo">1023</span>        }<a name="line.1023"></a>
    1032. 

  1032. <span class="sourceLineNo">1024</span><a name="line.1024"></a>
    1033. 

  1033. <span class="sourceLineNo">1025</span>        g2.setPaint(paint);<a name="line.1025"></a>
    1034. 

  1034. <span class="sourceLineNo">1026</span>        Arc2D.Double arc = new Arc2D.Double(x, y, w, h, startAngle, extent,<a name="line.1026"></a>
    1035. 

  1035. <span class="sourceLineNo">1027</span>                joinType);<a name="line.1027"></a>
    1036. 

  1036. <span class="sourceLineNo">1028</span>        g2.fill(arc);<a name="line.1028"></a>
    1037. 

  1037. <span class="sourceLineNo">1029</span>    }<a name="line.1029"></a>
    1038. 

  1038. <span class="sourceLineNo">1030</span><a name="line.1030"></a>
    1039. 

  1039. <span class="sourceLineNo">1031</span>    /**<a name="line.1031"></a>
    1040. 

  1040. <span class="sourceLineNo">1032</span>     * Translates a data value to an angle on the dial.<a name="line.1032"></a>
    1041. 

  1041. <span class="sourceLineNo">1033</span>     *<a name="line.1033"></a>
    1042. 

  1042. <span class="sourceLineNo">1034</span>     * @param value  the value.<a name="line.1034"></a>
    1043. 

  1043. <span class="sourceLineNo">1035</span>     *<a name="line.1035"></a>
    1044. 

  1044. <span class="sourceLineNo">1036</span>     * @return The angle on the dial.<a name="line.1036"></a>
    1045. 

  1045. <span class="sourceLineNo">1037</span>     */<a name="line.1037"></a>
    1046. 

  1046. <span class="sourceLineNo">1038</span>    public double valueToAngle(double value) {<a name="line.1038"></a>
    1047. 

  1047. <span class="sourceLineNo">1039</span>        value = value - this.range.getLowerBound();<a name="line.1039"></a>
    1048. 

  1048. <span class="sourceLineNo">1040</span>        double baseAngle = 180 + ((this.meterAngle - 180) / 2);<a name="line.1040"></a>
    1049. 

  1049. <span class="sourceLineNo">1041</span>        return baseAngle - ((value / this.range.getLength()) * this.meterAngle);<a name="line.1041"></a>
    1050. 

  1050. <span class="sourceLineNo">1042</span>    }<a name="line.1042"></a>
    1051. 

  1051. <span class="sourceLineNo">1043</span><a name="line.1043"></a>
    1052. 

  1052. <span class="sourceLineNo">1044</span>    /**<a name="line.1044"></a>
    1053. 

  1053. <span class="sourceLineNo">1045</span>     * Draws the ticks that subdivide the overall range.<a name="line.1045"></a>
    1054. 

  1054. <span class="sourceLineNo">1046</span>     *<a name="line.1046"></a>
    1055. 

  1055. <span class="sourceLineNo">1047</span>     * @param g2  the graphics device.<a name="line.1047"></a>
    1056. 

  1056. <span class="sourceLineNo">1048</span>     * @param meterArea  the meter area.<a name="line.1048"></a>
    1057. 

  1057. <span class="sourceLineNo">1049</span>     * @param minValue  the minimum value.<a name="line.1049"></a>
    1058. 

  1058. <span class="sourceLineNo">1050</span>     * @param maxValue  the maximum value.<a name="line.1050"></a>
    1059. 

  1059. <span class="sourceLineNo">1051</span>     */<a name="line.1051"></a>
    1060. 

  1060. <span class="sourceLineNo">1052</span>    protected void drawTicks(Graphics2D g2, Rectangle2D meterArea,<a name="line.1052"></a>
    1061. 

  1061. <span class="sourceLineNo">1053</span>                             double minValue, double maxValue) {<a name="line.1053"></a>
    1062. 

  1062. <span class="sourceLineNo">1054</span>        for (double v = minValue; v &lt;= maxValue; v += this.tickSize) {<a name="line.1054"></a>
    1063. 

  1063. <span class="sourceLineNo">1055</span>            drawTick(g2, meterArea, v);<a name="line.1055"></a>
    1064. 

  1064. <span class="sourceLineNo">1056</span>        }<a name="line.1056"></a>
    1065. 

  1065. <span class="sourceLineNo">1057</span>    }<a name="line.1057"></a>
    1066. 

  1066. <span class="sourceLineNo">1058</span><a name="line.1058"></a>
    1067. 

  1067. <span class="sourceLineNo">1059</span>    /**<a name="line.1059"></a>
    1068. 

  1068. <span class="sourceLineNo">1060</span>     * Draws a tick.<a name="line.1060"></a>
    1069. 

  1069. <span class="sourceLineNo">1061</span>     *<a name="line.1061"></a>
    1070. 

  1070. <span class="sourceLineNo">1062</span>     * @param g2  the graphics device.<a name="line.1062"></a>
    1071. 

  1071. <span class="sourceLineNo">1063</span>     * @param meterArea  the meter area.<a name="line.1063"></a>
    1072. 

  1072. <span class="sourceLineNo">1064</span>     * @param value  the value.<a name="line.1064"></a>
    1073. 

  1073. <span class="sourceLineNo">1065</span>     */<a name="line.1065"></a>
    1074. 

  1074. <span class="sourceLineNo">1066</span>    protected void drawTick(Graphics2D g2, Rectangle2D meterArea,<a name="line.1066"></a>
    1075. 

  1075. <span class="sourceLineNo">1067</span>            double value) {<a name="line.1067"></a>
    1076. 

  1076. <span class="sourceLineNo">1068</span>        drawTick(g2, meterArea, value, false);<a name="line.1068"></a>
    1077. 

  1077. <span class="sourceLineNo">1069</span>    }<a name="line.1069"></a>
    1078. 

  1078. <span class="sourceLineNo">1070</span><a name="line.1070"></a>
    1079. 

  1079. <span class="sourceLineNo">1071</span>    /**<a name="line.1071"></a>
    1080. 

  1080. <span class="sourceLineNo">1072</span>     * Draws a tick on the dial.<a name="line.1072"></a>
    1081. 

  1081. <span class="sourceLineNo">1073</span>     *<a name="line.1073"></a>
    1082. 

  1082. <span class="sourceLineNo">1074</span>     * @param g2  the graphics device.<a name="line.1074"></a>
    1083. 

  1083. <span class="sourceLineNo">1075</span>     * @param meterArea  the meter area.<a name="line.1075"></a>
    1084. 

  1084. <span class="sourceLineNo">1076</span>     * @param value  the tick value.<a name="line.1076"></a>
    1085. 

  1085. <span class="sourceLineNo">1077</span>     * @param label  a flag that controls whether or not a value label is drawn.<a name="line.1077"></a>
    1086. 

  1086. <span class="sourceLineNo">1078</span>     */<a name="line.1078"></a>
    1087. 

  1087. <span class="sourceLineNo">1079</span>    protected void drawTick(Graphics2D g2, Rectangle2D meterArea,<a name="line.1079"></a>
    1088. 

  1088. <span class="sourceLineNo">1080</span>                            double value, boolean label) {<a name="line.1080"></a>
    1089. 

  1089. <span class="sourceLineNo">1081</span><a name="line.1081"></a>
    1090. 

  1090. <span class="sourceLineNo">1082</span>        double valueAngle = valueToAngle(value);<a name="line.1082"></a>
    1091. 

  1091. <span class="sourceLineNo">1083</span><a name="line.1083"></a>
    1092. 

  1092. <span class="sourceLineNo">1084</span>        double meterMiddleX = meterArea.getCenterX();<a name="line.1084"></a>
    1093. 

  1093. <span class="sourceLineNo">1085</span>        double meterMiddleY = meterArea.getCenterY();<a name="line.1085"></a>
    1094. 

  1094. <span class="sourceLineNo">1086</span><a name="line.1086"></a>
    1095. 

  1095. <span class="sourceLineNo">1087</span>        g2.setPaint(this.tickPaint);<a name="line.1087"></a>
    1096. 

  1096. <span class="sourceLineNo">1088</span>        g2.setStroke(new BasicStroke(2.0f));<a name="line.1088"></a>
    1097. 

  1097. <span class="sourceLineNo">1089</span><a name="line.1089"></a>
    1098. 

  1098. <span class="sourceLineNo">1090</span>        double valueP2X;<a name="line.1090"></a>
    1099. 

  1099. <span class="sourceLineNo">1091</span>        double valueP2Y;<a name="line.1091"></a>
    1100. 

  1100. <span class="sourceLineNo">1092</span><a name="line.1092"></a>
    1101. 

  1101. <span class="sourceLineNo">1093</span>        double radius = (meterArea.getWidth() / 2) + DEFAULT_BORDER_SIZE;<a name="line.1093"></a>
    1102. 

  1102. <span class="sourceLineNo">1094</span>        double radius1 = radius - 15;<a name="line.1094"></a>
    1103. 

  1103. <span class="sourceLineNo">1095</span><a name="line.1095"></a>
    1104. 

  1104. <span class="sourceLineNo">1096</span>        double valueP1X = meterMiddleX<a name="line.1096"></a>
    1105. 

  1105. <span class="sourceLineNo">1097</span>                + (radius * Math.cos(Math.PI * (valueAngle / 180)));<a name="line.1097"></a>
    1106. 

  1106. <span class="sourceLineNo">1098</span>        double valueP1Y = meterMiddleY<a name="line.1098"></a>
    1107. 

  1107. <span class="sourceLineNo">1099</span>                - (radius * Math.sin(Math.PI * (valueAngle / 180)));<a name="line.1099"></a>
    1108. 

  1108. <span class="sourceLineNo">1100</span><a name="line.1100"></a>
    1109. 

  1109. <span class="sourceLineNo">1101</span>        valueP2X = meterMiddleX<a name="line.1101"></a>
    1110. 

  1110. <span class="sourceLineNo">1102</span>                + (radius1 * Math.cos(Math.PI * (valueAngle / 180)));<a name="line.1102"></a>
    1111. 

  1111. <span class="sourceLineNo">1103</span>        valueP2Y = meterMiddleY<a name="line.1103"></a>
    1112. 

  1112. <span class="sourceLineNo">1104</span>                - (radius1 * Math.sin(Math.PI * (valueAngle / 180)));<a name="line.1104"></a>
    1113. 

  1113. <span class="sourceLineNo">1105</span><a name="line.1105"></a>
    1114. 

  1114. <span class="sourceLineNo">1106</span>        Line2D.Double line = new Line2D.Double(valueP1X, valueP1Y, valueP2X,<a name="line.1106"></a>
    1115. 

  1115. <span class="sourceLineNo">1107</span>                valueP2Y);<a name="line.1107"></a>
    1116. 

  1116. <span class="sourceLineNo">1108</span>        g2.draw(line);<a name="line.1108"></a>
    1117. 

  1117. <span class="sourceLineNo">1109</span><a name="line.1109"></a>
    1118. 

  1118. <span class="sourceLineNo">1110</span>        if (this.tickLabelsVisible &amp;&amp; label) {<a name="line.1110"></a>
    1119. 

  1119. <span class="sourceLineNo">1111</span><a name="line.1111"></a>
    1120. 

  1120. <span class="sourceLineNo">1112</span>            String tickLabel =  this.tickLabelFormat.format(value);<a name="line.1112"></a>
    1121. 

  1121. <span class="sourceLineNo">1113</span>            g2.setFont(this.tickLabelFont);<a name="line.1113"></a>
    1122. 

  1122. <span class="sourceLineNo">1114</span>            g2.setPaint(this.tickLabelPaint);<a name="line.1114"></a>
    1123. 

  1123. <span class="sourceLineNo">1115</span><a name="line.1115"></a>
    1124. 

  1124. <span class="sourceLineNo">1116</span>            FontMetrics fm = g2.getFontMetrics();<a name="line.1116"></a>
    1125. 

  1125. <span class="sourceLineNo">1117</span>            Rectangle2D tickLabelBounds<a name="line.1117"></a>
    1126. 

  1126. <span class="sourceLineNo">1118</span>                = TextUtilities.getTextBounds(tickLabel, g2, fm);<a name="line.1118"></a>
    1127. 

  1127. <span class="sourceLineNo">1119</span><a name="line.1119"></a>
    1128. 

  1128. <span class="sourceLineNo">1120</span>            double x = valueP2X;<a name="line.1120"></a>
    1129. 

  1129. <span class="sourceLineNo">1121</span>            double y = valueP2Y;<a name="line.1121"></a>
    1130. 

  1130. <span class="sourceLineNo">1122</span>            if (valueAngle == 90 || valueAngle == 270) {<a name="line.1122"></a>
    1131. 

  1131. <span class="sourceLineNo">1123</span>                x = x - tickLabelBounds.getWidth() / 2;<a name="line.1123"></a>
    1132. 

  1132. <span class="sourceLineNo">1124</span>            }<a name="line.1124"></a>
    1133. 

  1133. <span class="sourceLineNo">1125</span>            else if (valueAngle &lt; 90 || valueAngle &gt; 270) {<a name="line.1125"></a>
    1134. 

  1134. <span class="sourceLineNo">1126</span>                x = x - tickLabelBounds.getWidth();<a name="line.1126"></a>
    1135. 

  1135. <span class="sourceLineNo">1127</span>            }<a name="line.1127"></a>
    1136. 

  1136. <span class="sourceLineNo">1128</span>            if ((valueAngle &gt; 135 &amp;&amp; valueAngle &lt; 225)<a name="line.1128"></a>
    1137. 

  1137. <span class="sourceLineNo">1129</span>                    || valueAngle &gt; 315 || valueAngle &lt; 45) {<a name="line.1129"></a>
    1138. 

  1138. <span class="sourceLineNo">1130</span>                y = y - tickLabelBounds.getHeight() / 2;<a name="line.1130"></a>
    1139. 

  1139. <span class="sourceLineNo">1131</span>            }<a name="line.1131"></a>
    1140. 

  1140. <span class="sourceLineNo">1132</span>            else {<a name="line.1132"></a>
    1141. 

  1141. <span class="sourceLineNo">1133</span>                y = y + tickLabelBounds.getHeight() / 2;<a name="line.1133"></a>
    1142. 

  1142. <span class="sourceLineNo">1134</span>            }<a name="line.1134"></a>
    1143. 

  1143. <span class="sourceLineNo">1135</span>            g2.drawString(tickLabel, (float) x, (float) y);<a name="line.1135"></a>
    1144. 

  1144. <span class="sourceLineNo">1136</span>        }<a name="line.1136"></a>
    1145. 

  1145. <span class="sourceLineNo">1137</span>    }<a name="line.1137"></a>
    1146. 

  1146. <span class="sourceLineNo">1138</span><a name="line.1138"></a>
    1147. 

  1147. <span class="sourceLineNo">1139</span>    /**<a name="line.1139"></a>
    1148. 

  1148. <span class="sourceLineNo">1140</span>     * Draws the value label just below the center of the dial.<a name="line.1140"></a>
    1149. 

  1149. <span class="sourceLineNo">1141</span>     *<a name="line.1141"></a>
    1150. 

  1150. <span class="sourceLineNo">1142</span>     * @param g2  the graphics device.<a name="line.1142"></a>
    1151. 

  1151. <span class="sourceLineNo">1143</span>     * @param area  the plot area.<a name="line.1143"></a>
    1152. 

  1152. <span class="sourceLineNo">1144</span>     */<a name="line.1144"></a>
    1153. 

  1153. <span class="sourceLineNo">1145</span>    protected void drawValueLabel(Graphics2D g2, Rectangle2D area) {<a name="line.1145"></a>
    1154. 

  1154. <span class="sourceLineNo">1146</span>        g2.setFont(this.valueFont);<a name="line.1146"></a>
    1155. 

  1155. <span class="sourceLineNo">1147</span>        g2.setPaint(this.valuePaint);<a name="line.1147"></a>
    1156. 

  1156. <span class="sourceLineNo">1148</span>        String valueStr = "No value";<a name="line.1148"></a>
    1157. 

  1157. <span class="sourceLineNo">1149</span>        if (this.dataset != null) {<a name="line.1149"></a>
    1158. 

  1158. <span class="sourceLineNo">1150</span>            Number n = this.dataset.getValue();<a name="line.1150"></a>
    1159. 

  1159. <span class="sourceLineNo">1151</span>            if (n != null) {<a name="line.1151"></a>
    1160. 

  1160. <span class="sourceLineNo">1152</span>                valueStr = this.tickLabelFormat.format(n.doubleValue()) + " "<a name="line.1152"></a>
    1161. 

  1161. <span class="sourceLineNo">1153</span>                         + this.units;<a name="line.1153"></a>
    1162. 

  1162. <span class="sourceLineNo">1154</span>            }<a name="line.1154"></a>
    1163. 

  1163. <span class="sourceLineNo">1155</span>        }<a name="line.1155"></a>
    1164. 

  1164. <span class="sourceLineNo">1156</span>        float x = (float) area.getCenterX();<a name="line.1156"></a>
    1165. 

  1165. <span class="sourceLineNo">1157</span>        float y = (float) area.getCenterY() + DEFAULT_CIRCLE_SIZE;<a name="line.1157"></a>
    1166. 

  1166. <span class="sourceLineNo">1158</span>        TextUtilities.drawAlignedString(valueStr, g2, x, y,<a name="line.1158"></a>
    1167. 

  1167. <span class="sourceLineNo">1159</span>                TextAnchor.TOP_CENTER);<a name="line.1159"></a>
    1168. 

  1168. <span class="sourceLineNo">1160</span>    }<a name="line.1160"></a>
    1169. 

  1169. <span class="sourceLineNo">1161</span><a name="line.1161"></a>
    1170. 

  1170. <span class="sourceLineNo">1162</span>    /**<a name="line.1162"></a>
    1171. 

  1171. <span class="sourceLineNo">1163</span>     * Returns a short string describing the type of plot.<a name="line.1163"></a>
    1172. 

  1172. <span class="sourceLineNo">1164</span>     *<a name="line.1164"></a>
    1173. 

  1173. <span class="sourceLineNo">1165</span>     * @return A string describing the type of plot.<a name="line.1165"></a>
    1174. 

  1174. <span class="sourceLineNo">1166</span>     */<a name="line.1166"></a>
    1175. 

  1175. <span class="sourceLineNo">1167</span>    @Override<a name="line.1167"></a>
    1176. 

  1176. <span class="sourceLineNo">1168</span>    public String getPlotType() {<a name="line.1168"></a>
    1177. 

  1177. <span class="sourceLineNo">1169</span>        return localizationResources.getString("Meter_Plot");<a name="line.1169"></a>
    1178. 

  1178. <span class="sourceLineNo">1170</span>    }<a name="line.1170"></a>
    1179. 

  1179. <span class="sourceLineNo">1171</span><a name="line.1171"></a>
    1180. 

  1180. <span class="sourceLineNo">1172</span>    /**<a name="line.1172"></a>
    1181. 

  1181. <span class="sourceLineNo">1173</span>     * A zoom method that does nothing.  Plots are required to support the<a name="line.1173"></a>
    1182. 

  1182. <span class="sourceLineNo">1174</span>     * zoom operation.  In the case of a meter plot, it doesn't make sense to<a name="line.1174"></a>
    1183. 

  1183. <span class="sourceLineNo">1175</span>     * zoom in or out, so the method is empty.<a name="line.1175"></a>
    1184. 

  1184. <span class="sourceLineNo">1176</span>     *<a name="line.1176"></a>
    1185. 

  1185. <span class="sourceLineNo">1177</span>     * @param percent   The zoom percentage.<a name="line.1177"></a>
    1186. 

  1186. <span class="sourceLineNo">1178</span>     */<a name="line.1178"></a>
    1187. 

  1187. <span class="sourceLineNo">1179</span>    @Override<a name="line.1179"></a>
    1188. 

  1188. <span class="sourceLineNo">1180</span>    public void zoom(double percent) {<a name="line.1180"></a>
    1189. 

  1189. <span class="sourceLineNo">1181</span>        // intentionally blank<a name="line.1181"></a>
    1190. 

  1190. <span class="sourceLineNo">1182</span>    }<a name="line.1182"></a>
    1191. 

  1191. <span class="sourceLineNo">1183</span><a name="line.1183"></a>
    1192. 

  1192. <span class="sourceLineNo">1184</span>    /**<a name="line.1184"></a>
    1193. 

  1193. <span class="sourceLineNo">1185</span>     * Tests the plot for equality with an arbitrary object.  Note that the<a name="line.1185"></a>
    1194. 

  1194. <span class="sourceLineNo">1186</span>     * dataset is ignored for the purposes of testing equality.<a name="line.1186"></a>
    1195. 

  1195. <span class="sourceLineNo">1187</span>     *<a name="line.1187"></a>
    1196. 

  1196. <span class="sourceLineNo">1188</span>     * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.1188"></a>
    1197. 

  1197. <span class="sourceLineNo">1189</span>     *<a name="line.1189"></a>
    1198. 

  1198. <span class="sourceLineNo">1190</span>     * @return A boolean.<a name="line.1190"></a>
    1199. 

  1199. <span class="sourceLineNo">1191</span>     */<a name="line.1191"></a>
    1200. 

  1200. <span class="sourceLineNo">1192</span>    @Override<a name="line.1192"></a>
    1201. 

  1201. <span class="sourceLineNo">1193</span>    public boolean equals(Object obj) {<a name="line.1193"></a>
    1202. 

  1202. <span class="sourceLineNo">1194</span>        if (obj == this) {<a name="line.1194"></a>
    1203. 

  1203. <span class="sourceLineNo">1195</span>            return true;<a name="line.1195"></a>
    1204. 

  1204. <span class="sourceLineNo">1196</span>        }<a name="line.1196"></a>
    1205. 

  1205. <span class="sourceLineNo">1197</span>        if (!(obj instanceof MeterPlot)) {<a name="line.1197"></a>
    1206. 

  1206. <span class="sourceLineNo">1198</span>            return false;<a name="line.1198"></a>
    1207. 

  1207. <span class="sourceLineNo">1199</span>        }<a name="line.1199"></a>
    1208. 

  1208. <span class="sourceLineNo">1200</span>        if (!super.equals(obj)) {<a name="line.1200"></a>
    1209. 

  1209. <span class="sourceLineNo">1201</span>            return false;<a name="line.1201"></a>
    1210. 

  1210. <span class="sourceLineNo">1202</span>        }<a name="line.1202"></a>
    1211. 

  1211. <span class="sourceLineNo">1203</span>        MeterPlot that = (MeterPlot) obj;<a name="line.1203"></a>
    1212. 

  1212. <span class="sourceLineNo">1204</span>        if (!ObjectUtilities.equal(this.units, that.units)) {<a name="line.1204"></a>
    1213. 

  1213. <span class="sourceLineNo">1205</span>            return false;<a name="line.1205"></a>
    1214. 

  1214. <span class="sourceLineNo">1206</span>        }<a name="line.1206"></a>
    1215. 

  1215. <span class="sourceLineNo">1207</span>        if (!ObjectUtilities.equal(this.range, that.range)) {<a name="line.1207"></a>
    1216. 

  1216. <span class="sourceLineNo">1208</span>            return false;<a name="line.1208"></a>
    1217. 

  1217. <span class="sourceLineNo">1209</span>        }<a name="line.1209"></a>
    1218. 

  1218. <span class="sourceLineNo">1210</span>        if (!ObjectUtilities.equal(this.intervals, that.intervals)) {<a name="line.1210"></a>
    1219. 

  1219. <span class="sourceLineNo">1211</span>            return false;<a name="line.1211"></a>
    1220. 

  1220. <span class="sourceLineNo">1212</span>        }<a name="line.1212"></a>
    1221. 

  1221. <span class="sourceLineNo">1213</span>        if (!PaintUtilities.equal(this.dialOutlinePaint,<a name="line.1213"></a>
    1222. 

  1222. <span class="sourceLineNo">1214</span>                that.dialOutlinePaint)) {<a name="line.1214"></a>
    1223. 

  1223. <span class="sourceLineNo">1215</span>            return false;<a name="line.1215"></a>
    1224. 

  1224. <span class="sourceLineNo">1216</span>        }<a name="line.1216"></a>
    1225. 

  1225. <span class="sourceLineNo">1217</span>        if (this.shape != that.shape) {<a name="line.1217"></a>
    1226. 

  1226. <span class="sourceLineNo">1218</span>            return false;<a name="line.1218"></a>
    1227. 

  1227. <span class="sourceLineNo">1219</span>        }<a name="line.1219"></a>
    1228. 

  1228. <span class="sourceLineNo">1220</span>        if (!PaintUtilities.equal(this.dialBackgroundPaint,<a name="line.1220"></a>
    1229. 

  1229. <span class="sourceLineNo">1221</span>                that.dialBackgroundPaint)) {<a name="line.1221"></a>
    1230. 

  1230. <span class="sourceLineNo">1222</span>            return false;<a name="line.1222"></a>
    1231. 

  1231. <span class="sourceLineNo">1223</span>        }<a name="line.1223"></a>
    1232. 

  1232. <span class="sourceLineNo">1224</span>        if (!PaintUtilities.equal(this.needlePaint, that.needlePaint)) {<a name="line.1224"></a>
    1233. 

  1233. <span class="sourceLineNo">1225</span>            return false;<a name="line.1225"></a>
    1234. 

  1234. <span class="sourceLineNo">1226</span>        }<a name="line.1226"></a>
    1235. 

  1235. <span class="sourceLineNo">1227</span>        if (!ObjectUtilities.equal(this.valueFont, that.valueFont)) {<a name="line.1227"></a>
    1236. 

  1236. <span class="sourceLineNo">1228</span>            return false;<a name="line.1228"></a>
    1237. 

  1237. <span class="sourceLineNo">1229</span>        }<a name="line.1229"></a>
    1238. 

  1238. <span class="sourceLineNo">1230</span>        if (!PaintUtilities.equal(this.valuePaint, that.valuePaint)) {<a name="line.1230"></a>
    1239. 

  1239. <span class="sourceLineNo">1231</span>            return false;<a name="line.1231"></a>
    1240. 

  1240. <span class="sourceLineNo">1232</span>        }<a name="line.1232"></a>
    1241. 

  1241. <span class="sourceLineNo">1233</span>        if (!PaintUtilities.equal(this.tickPaint, that.tickPaint)) {<a name="line.1233"></a>
    1242. 

  1242. <span class="sourceLineNo">1234</span>            return false;<a name="line.1234"></a>
    1243. 

  1243. <span class="sourceLineNo">1235</span>        }<a name="line.1235"></a>
    1244. 

  1244. <span class="sourceLineNo">1236</span>        if (this.tickSize != that.tickSize) {<a name="line.1236"></a>
    1245. 

  1245. <span class="sourceLineNo">1237</span>            return false;<a name="line.1237"></a>
    1246. 

  1246. <span class="sourceLineNo">1238</span>        }<a name="line.1238"></a>
    1247. 

  1247. <span class="sourceLineNo">1239</span>        if (this.tickLabelsVisible != that.tickLabelsVisible) {<a name="line.1239"></a>
    1248. 

  1248. <span class="sourceLineNo">1240</span>            return false;<a name="line.1240"></a>
    1249. 

  1249. <span class="sourceLineNo">1241</span>        }<a name="line.1241"></a>
    1250. 

  1250. <span class="sourceLineNo">1242</span>        if (!ObjectUtilities.equal(this.tickLabelFont, that.tickLabelFont)) {<a name="line.1242"></a>
    1251. 

  1251. <span class="sourceLineNo">1243</span>            return false;<a name="line.1243"></a>
    1252. 

  1252. <span class="sourceLineNo">1244</span>        }<a name="line.1244"></a>
    1253. 

  1253. <span class="sourceLineNo">1245</span>        if (!PaintUtilities.equal(this.tickLabelPaint, that.tickLabelPaint)) {<a name="line.1245"></a>
    1254. 

  1254. <span class="sourceLineNo">1246</span>            return false;<a name="line.1246"></a>
    1255. 

  1255. <span class="sourceLineNo">1247</span>        }<a name="line.1247"></a>
    1256. 

  1256. <span class="sourceLineNo">1248</span>        if (!ObjectUtilities.equal(this.tickLabelFormat,<a name="line.1248"></a>
    1257. 

  1257. <span class="sourceLineNo">1249</span>                that.tickLabelFormat)) {<a name="line.1249"></a>
    1258. 

  1258. <span class="sourceLineNo">1250</span>            return false;<a name="line.1250"></a>
    1259. 

  1259. <span class="sourceLineNo">1251</span>        }<a name="line.1251"></a>
    1260. 

  1260. <span class="sourceLineNo">1252</span>        if (this.drawBorder != that.drawBorder) {<a name="line.1252"></a>
    1261. 

  1261. <span class="sourceLineNo">1253</span>            return false;<a name="line.1253"></a>
    1262. 

  1262. <span class="sourceLineNo">1254</span>        }<a name="line.1254"></a>
    1263. 

  1263. <span class="sourceLineNo">1255</span>        if (this.meterAngle != that.meterAngle) {<a name="line.1255"></a>
    1264. 

  1264. <span class="sourceLineNo">1256</span>            return false;<a name="line.1256"></a>
    1265. 

  1265. <span class="sourceLineNo">1257</span>        }<a name="line.1257"></a>
    1266. 

  1266. <span class="sourceLineNo">1258</span>        return true;<a name="line.1258"></a>
    1267. 

  1267. <span class="sourceLineNo">1259</span>    }<a name="line.1259"></a>
    1268. 

  1268. <span class="sourceLineNo">1260</span><a name="line.1260"></a>
    1269. 

  1269. <span class="sourceLineNo">1261</span>    /**<a name="line.1261"></a>
    1270. 

  1270. <span class="sourceLineNo">1262</span>     * Provides serialization support.<a name="line.1262"></a>
    1271. 

  1271. <span class="sourceLineNo">1263</span>     *<a name="line.1263"></a>
    1272. 

  1272. <span class="sourceLineNo">1264</span>     * @param stream  the output stream.<a name="line.1264"></a>
    1273. 

  1273. <span class="sourceLineNo">1265</span>     *<a name="line.1265"></a>
    1274. 

  1274. <span class="sourceLineNo">1266</span>     * @throws IOException  if there is an I/O error.<a name="line.1266"></a>
    1275. 

  1275. <span class="sourceLineNo">1267</span>     */<a name="line.1267"></a>
    1276. 

  1276. <span class="sourceLineNo">1268</span>    private void writeObject(ObjectOutputStream stream) throws IOException {<a name="line.1268"></a>
    1277. 

  1277. <span class="sourceLineNo">1269</span>        stream.defaultWriteObject();<a name="line.1269"></a>
    1278. 

  1278. <span class="sourceLineNo">1270</span>        SerialUtilities.writePaint(this.dialBackgroundPaint, stream);<a name="line.1270"></a>
    1279. 

  1279. <span class="sourceLineNo">1271</span>        SerialUtilities.writePaint(this.dialOutlinePaint, stream);<a name="line.1271"></a>
    1280. 

  1280. <span class="sourceLineNo">1272</span>        SerialUtilities.writePaint(this.needlePaint, stream);<a name="line.1272"></a>
    1281. 

  1281. <span class="sourceLineNo">1273</span>        SerialUtilities.writePaint(this.valuePaint, stream);<a name="line.1273"></a>
    1282. 

  1282. <span class="sourceLineNo">1274</span>        SerialUtilities.writePaint(this.tickPaint, stream);<a name="line.1274"></a>
    1283. 

  1283. <span class="sourceLineNo">1275</span>        SerialUtilities.writePaint(this.tickLabelPaint, stream);<a name="line.1275"></a>
    1284. 

  1284. <span class="sourceLineNo">1276</span>    }<a name="line.1276"></a>
    1285. 

  1285. <span class="sourceLineNo">1277</span><a name="line.1277"></a>
    1286. 

  1286. <span class="sourceLineNo">1278</span>    /**<a name="line.1278"></a>
    1287. 

  1287. <span class="sourceLineNo">1279</span>     * Provides serialization support.<a name="line.1279"></a>
    1288. 

  1288. <span class="sourceLineNo">1280</span>     *<a name="line.1280"></a>
    1289. 

  1289. <span class="sourceLineNo">1281</span>     * @param stream  the input stream.<a name="line.1281"></a>
    1290. 

  1290. <span class="sourceLineNo">1282</span>     *<a name="line.1282"></a>
    1291. 

  1291. <span class="sourceLineNo">1283</span>     * @throws IOException  if there is an I/O error.<a name="line.1283"></a>
    1292. 

  1292. <span class="sourceLineNo">1284</span>     * @throws ClassNotFoundException  if there is a classpath problem.<a name="line.1284"></a>
    1293. 

  1293. <span class="sourceLineNo">1285</span>     */<a name="line.1285"></a>
    1294. 

  1294. <span class="sourceLineNo">1286</span>    private void readObject(ObjectInputStream stream)<a name="line.1286"></a>
    1295. 

  1295. <span class="sourceLineNo">1287</span>        throws IOException, ClassNotFoundException {<a name="line.1287"></a>
    1296. 

  1296. <span class="sourceLineNo">1288</span>        stream.defaultReadObject();<a name="line.1288"></a>
    1297. 

  1297. <span class="sourceLineNo">1289</span>        this.dialBackgroundPaint = SerialUtilities.readPaint(stream);<a name="line.1289"></a>
    1298. 

  1298. <span class="sourceLineNo">1290</span>        this.dialOutlinePaint = SerialUtilities.readPaint(stream);<a name="line.1290"></a>
    1299. 

  1299. <span class="sourceLineNo">1291</span>        this.needlePaint = SerialUtilities.readPaint(stream);<a name="line.1291"></a>
    1300. 

  1300. <span class="sourceLineNo">1292</span>        this.valuePaint = SerialUtilities.readPaint(stream);<a name="line.1292"></a>
    1301. 

  1301. <span class="sourceLineNo">1293</span>        this.tickPaint = SerialUtilities.readPaint(stream);<a name="line.1293"></a>
    1302. 

  1302. <span class="sourceLineNo">1294</span>        this.tickLabelPaint = SerialUtilities.readPaint(stream);<a name="line.1294"></a>
    1303. 

  1303. <span class="sourceLineNo">1295</span>        if (this.dataset != null) {<a name="line.1295"></a>
    1304. 

  1304. <span class="sourceLineNo">1296</span>            this.dataset.addChangeListener(this);<a name="line.1296"></a>
    1305. 

  1305. <span class="sourceLineNo">1297</span>        }<a name="line.1297"></a>
    1306. 

  1306. <span class="sourceLineNo">1298</span>    }<a name="line.1298"></a>
    1307. 

  1307. <span class="sourceLineNo">1299</span><a name="line.1299"></a>
    1308. 

  1308. <span class="sourceLineNo">1300</span>    /**<a name="line.1300"></a>
    1309. 

  1309. <span class="sourceLineNo">1301</span>     * Returns an independent copy (clone) of the plot.  The dataset is NOT<a name="line.1301"></a>
    1310. 

  1310. <span class="sourceLineNo">1302</span>     * cloned - both the original and the clone will have a reference to the<a name="line.1302"></a>
    1311. 

  1311. <span class="sourceLineNo">1303</span>     * same dataset.<a name="line.1303"></a>
    1312. 

  1312. <span class="sourceLineNo">1304</span>     *<a name="line.1304"></a>
    1313. 

  1313. <span class="sourceLineNo">1305</span>     * @return A clone.<a name="line.1305"></a>
    1314. 

  1314. <span class="sourceLineNo">1306</span>     *<a name="line.1306"></a>
    1315. 

  1315. <span class="sourceLineNo">1307</span>     * @throws CloneNotSupportedException if some component of the plot cannot<a name="line.1307"></a>
    1316. 

  1316. <span class="sourceLineNo">1308</span>     *         be cloned.<a name="line.1308"></a>
    1317. 

  1317. <span class="sourceLineNo">1309</span>     */<a name="line.1309"></a>
    1318. 

  1318. <span class="sourceLineNo">1310</span>    @Override<a name="line.1310"></a>
    1319. 

  1319. <span class="sourceLineNo">1311</span>    public Object clone() throws CloneNotSupportedException {<a name="line.1311"></a>
    1320. 

  1320. <span class="sourceLineNo">1312</span>        MeterPlot clone = (MeterPlot) super.clone();<a name="line.1312"></a>
    1321. 

  1321. <span class="sourceLineNo">1313</span>        clone.tickLabelFormat = (NumberFormat) this.tickLabelFormat.clone();<a name="line.1313"></a>
    1322. 

  1322. <span class="sourceLineNo">1314</span>        // the following relies on the fact that the intervals are immutable<a name="line.1314"></a>
    1323. 

  1323. <span class="sourceLineNo">1315</span>        clone.intervals = new java.util.ArrayList(this.intervals);<a name="line.1315"></a>
    1324. 

  1324. <span class="sourceLineNo">1316</span>        if (clone.dataset != null) {<a name="line.1316"></a>
    1325. 

  1325. <span class="sourceLineNo">1317</span>            clone.dataset.addChangeListener(clone);<a name="line.1317"></a>
    1326. 

  1326. <span class="sourceLineNo">1318</span>        }<a name="line.1318"></a>
    1327. 

  1327. <span class="sourceLineNo">1319</span>        return clone;<a name="line.1319"></a>
    1328. 

  1328. <span class="sourceLineNo">1320</span>    }<a name="line.1320"></a>
    1329. 

  1329. <span class="sourceLineNo">1321</span><a name="line.1321"></a>
    1330. 

  1330. <span class="sourceLineNo">1322</span>}<a name="line.1322"></a>
    1331. 

  1331. 

  1332. 

  1333. 

  1334. 

  1335. 

  1336. 

  1337. 

  1338. 

  1339. 

  1340. 

  1341. 

  1342. 

  1343. 

  1344. 

  1345. 

  1346. 

  1347. 

  1348. 

  1349. 

  1350. 

  1351. 

  1352. 

  1353. 

  1354. 

  1355. 

  1356. 

  1357. 

  1358. 

  1359. 

  1360. 

  1361. 

  1362. 

  1363. 

  1364. 

  1365. 

  1366. 

  1367. 

  1368. 

  1369. 

  1370. 

  1371. 

  1372. 

  1373. 

  1374. 

  1375. 

  1376. 

  1377. 

  1378. 

  1379. 

  1380. 

  1381. 

  1382. 

  1383. 

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