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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * -----------------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * DialTextAnnotation.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * -----------------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2006-2008, by Object Refinery Limited.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   -;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *<a name="line.34"></a>
<span class="sourceLineNo">035</span> * Changes<a name="line.35"></a>
<span class="sourceLineNo">036</span> * -------<a name="line.36"></a>
<span class="sourceLineNo">037</span> * 03-Nov-2006 : Version 1 (DG);<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 08-Mar-2007 : Fix in hashCode() (DG);<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 17-Oct-2007 : Updated equals() (DG);<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 24-Oct-2007 : Added getAnchor() and setAnchor() methods (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> *<a name="line.41"></a>
<span class="sourceLineNo">042</span> */<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span>package org.jfree.chart.plot.dial;<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>import java.awt.Color;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import java.awt.Font;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import java.awt.Graphics2D;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import java.awt.Paint;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import java.awt.geom.Arc2D;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import java.awt.geom.Point2D;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import java.awt.geom.Rectangle2D;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import java.io.IOException;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import java.io.ObjectInputStream;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import java.io.ObjectOutputStream;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import java.io.Serializable;<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span>import org.jfree.chart.HashUtilities;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import org.jfree.io.SerialUtilities;<a name="line.59"></a>
<span class="sourceLineNo">060</span>import org.jfree.text.TextUtilities;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import org.jfree.ui.TextAnchor;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import org.jfree.util.PaintUtilities;<a name="line.62"></a>
<span class="sourceLineNo">063</span>import org.jfree.util.PublicCloneable;<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>/**<a name="line.65"></a>
<span class="sourceLineNo">066</span> * A text annotation for a {@link DialPlot}.<a name="line.66"></a>
<span class="sourceLineNo">067</span> *<a name="line.67"></a>
<span class="sourceLineNo">068</span> * @since 1.0.7<a name="line.68"></a>
<span class="sourceLineNo">069</span> */<a name="line.69"></a>
<span class="sourceLineNo">070</span>public class DialTextAnnotation extends AbstractDialLayer implements DialLayer,<a name="line.70"></a>
<span class="sourceLineNo">071</span>        Cloneable, PublicCloneable, Serializable {<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span>    /** For serialization. */<a name="line.73"></a>
<span class="sourceLineNo">074</span>    static final long serialVersionUID = 3065267524054428071L;<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span>    /** The label text. */<a name="line.76"></a>
<span class="sourceLineNo">077</span>    private String label;<a name="line.77"></a>
<span class="sourceLineNo">078</span><a name="line.78"></a>
<span class="sourceLineNo">079</span>    /** The font. */<a name="line.79"></a>
<span class="sourceLineNo">080</span>    private Font font;<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span>    /**<a name="line.82"></a>
<span class="sourceLineNo">083</span>     * The paint for the label.  This field is transient because it requires<a name="line.83"></a>
<span class="sourceLineNo">084</span>     * special handling for serialization.<a name="line.84"></a>
<span class="sourceLineNo">085</span>     */<a name="line.85"></a>
<span class="sourceLineNo">086</span>    private transient Paint paint;<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span>    /** The angle that defines the anchor point for the annotation. */<a name="line.88"></a>
<span class="sourceLineNo">089</span>    private double angle;<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span>    /** The radius that defines the anchor point for the annotation. */<a name="line.91"></a>
<span class="sourceLineNo">092</span>    private double radius;<a name="line.92"></a>
<span class="sourceLineNo">093</span><a name="line.93"></a>
<span class="sourceLineNo">094</span>    /** The text anchor to be aligned to the annotation's anchor point. */<a name="line.94"></a>
<span class="sourceLineNo">095</span>    private TextAnchor anchor;<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span>    /**<a name="line.97"></a>
<span class="sourceLineNo">098</span>     * Creates a new instance of &lt;code&gt;DialTextAnnotation&lt;/code&gt;.<a name="line.98"></a>
<span class="sourceLineNo">099</span>     *<a name="line.99"></a>
<span class="sourceLineNo">100</span>     * @param label  the label (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.100"></a>
<span class="sourceLineNo">101</span>     */<a name="line.101"></a>
<span class="sourceLineNo">102</span>    public DialTextAnnotation(String label) {<a name="line.102"></a>
<span class="sourceLineNo">103</span>        if (label == null) {<a name="line.103"></a>
<span class="sourceLineNo">104</span>            throw new IllegalArgumentException("Null 'label' argument.");<a name="line.104"></a>
<span class="sourceLineNo">105</span>        }<a name="line.105"></a>
<span class="sourceLineNo">106</span>        this.angle = -90.0;<a name="line.106"></a>
<span class="sourceLineNo">107</span>        this.radius = 0.3;<a name="line.107"></a>
<span class="sourceLineNo">108</span>        this.font = new Font("Dialog", Font.BOLD, 14);<a name="line.108"></a>
<span class="sourceLineNo">109</span>        this.paint = Color.black;<a name="line.109"></a>
<span class="sourceLineNo">110</span>        this.label = label;<a name="line.110"></a>
<span class="sourceLineNo">111</span>        this.anchor = TextAnchor.TOP_CENTER;<a name="line.111"></a>
<span class="sourceLineNo">112</span>    }<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span>    /**<a name="line.114"></a>
<span class="sourceLineNo">115</span>     * Returns the label text.<a name="line.115"></a>
<span class="sourceLineNo">116</span>     *<a name="line.116"></a>
<span class="sourceLineNo">117</span>     * @return The label text (never &lt;code&gt;null&lt;/code).<a name="line.117"></a>
<span class="sourceLineNo">118</span>     *<a name="line.118"></a>
<span class="sourceLineNo">119</span>     * @see #setLabel(String)<a name="line.119"></a>
<span class="sourceLineNo">120</span>     */<a name="line.120"></a>
<span class="sourceLineNo">121</span>    public String getLabel() {<a name="line.121"></a>
<span class="sourceLineNo">122</span>        return this.label;<a name="line.122"></a>
<span class="sourceLineNo">123</span>    }<a name="line.123"></a>
<span class="sourceLineNo">124</span><a name="line.124"></a>
<span class="sourceLineNo">125</span>    /**<a name="line.125"></a>
<span class="sourceLineNo">126</span>     * Sets the label and sends a {@link DialLayerChangeEvent} to all<a name="line.126"></a>
<span class="sourceLineNo">127</span>     * registered listeners.<a name="line.127"></a>
<span class="sourceLineNo">128</span>     *<a name="line.128"></a>
<span class="sourceLineNo">129</span>     * @param label  the label (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.129"></a>
<span class="sourceLineNo">130</span>     *<a name="line.130"></a>
<span class="sourceLineNo">131</span>     * @see #getLabel()<a name="line.131"></a>
<span class="sourceLineNo">132</span>     */<a name="line.132"></a>
<span class="sourceLineNo">133</span>    public void setLabel(String label) {<a name="line.133"></a>
<span class="sourceLineNo">134</span>        if (label == null) {<a name="line.134"></a>
<span class="sourceLineNo">135</span>            throw new IllegalArgumentException("Null 'label' argument.");<a name="line.135"></a>
<span class="sourceLineNo">136</span>        }<a name="line.136"></a>
<span class="sourceLineNo">137</span>        this.label = label;<a name="line.137"></a>
<span class="sourceLineNo">138</span>        notifyListeners(new DialLayerChangeEvent(this));<a name="line.138"></a>
<span class="sourceLineNo">139</span>    }<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span>    /**<a name="line.141"></a>
<span class="sourceLineNo">142</span>     * Returns the font used to display the label.<a name="line.142"></a>
<span class="sourceLineNo">143</span>     *<a name="line.143"></a>
<span class="sourceLineNo">144</span>     * @return The font (never &lt;code&gt;null&lt;/code&gt;).<a name="line.144"></a>
<span class="sourceLineNo">145</span>     *<a name="line.145"></a>
<span class="sourceLineNo">146</span>     * @see #setFont(Font)<a name="line.146"></a>
<span class="sourceLineNo">147</span>     */<a name="line.147"></a>
<span class="sourceLineNo">148</span>    public Font getFont() {<a name="line.148"></a>
<span class="sourceLineNo">149</span>        return this.font;<a name="line.149"></a>
<span class="sourceLineNo">150</span>    }<a name="line.150"></a>
<span class="sourceLineNo">151</span><a name="line.151"></a>
<span class="sourceLineNo">152</span>    /**<a name="line.152"></a>
<span class="sourceLineNo">153</span>     * Sets the font used to display the label and sends a<a name="line.153"></a>
<span class="sourceLineNo">154</span>     * {@link DialLayerChangeEvent} to all registered listeners.<a name="line.154"></a>
<span class="sourceLineNo">155</span>     *<a name="line.155"></a>
<span class="sourceLineNo">156</span>     * @param font  the font (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.156"></a>
<span class="sourceLineNo">157</span>     *<a name="line.157"></a>
<span class="sourceLineNo">158</span>     * @see #getFont()<a name="line.158"></a>
<span class="sourceLineNo">159</span>     */<a name="line.159"></a>
<span class="sourceLineNo">160</span>    public void setFont(Font font) {<a name="line.160"></a>
<span class="sourceLineNo">161</span>        if (font == null) {<a name="line.161"></a>
<span class="sourceLineNo">162</span>            throw new IllegalArgumentException("Null 'font' argument.");<a name="line.162"></a>
<span class="sourceLineNo">163</span>        }<a name="line.163"></a>
<span class="sourceLineNo">164</span>        this.font = font;<a name="line.164"></a>
<span class="sourceLineNo">165</span>        notifyListeners(new DialLayerChangeEvent(this));<a name="line.165"></a>
<span class="sourceLineNo">166</span>    }<a name="line.166"></a>
<span class="sourceLineNo">167</span><a name="line.167"></a>
<span class="sourceLineNo">168</span>    /**<a name="line.168"></a>
<span class="sourceLineNo">169</span>     * Returns the paint used to display the label.<a name="line.169"></a>
<span class="sourceLineNo">170</span>     *<a name="line.170"></a>
<span class="sourceLineNo">171</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.171"></a>
<span class="sourceLineNo">172</span>     *<a name="line.172"></a>
<span class="sourceLineNo">173</span>     * @see #setPaint(Paint)<a name="line.173"></a>
<span class="sourceLineNo">174</span>     */<a name="line.174"></a>
<span class="sourceLineNo">175</span>    public Paint getPaint() {<a name="line.175"></a>
<span class="sourceLineNo">176</span>        return this.paint;<a name="line.176"></a>
<span class="sourceLineNo">177</span>    }<a name="line.177"></a>
<span class="sourceLineNo">178</span><a name="line.178"></a>
<span class="sourceLineNo">179</span>    /**<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * Sets the paint used to display the label and sends a<a name="line.180"></a>
<span class="sourceLineNo">181</span>     * {@link DialLayerChangeEvent} to all registered listeners.<a name="line.181"></a>
<span class="sourceLineNo">182</span>     *<a name="line.182"></a>
<span class="sourceLineNo">183</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.183"></a>
<span class="sourceLineNo">184</span>     *<a name="line.184"></a>
<span class="sourceLineNo">185</span>     * @see #getPaint()<a name="line.185"></a>
<span class="sourceLineNo">186</span>     */<a name="line.186"></a>
<span class="sourceLineNo">187</span>    public void setPaint(Paint paint) {<a name="line.187"></a>
<span class="sourceLineNo">188</span>        if (paint == null) {<a name="line.188"></a>
<span class="sourceLineNo">189</span>            throw new IllegalArgumentException("Null 'paint' argument.");<a name="line.189"></a>
<span class="sourceLineNo">190</span>        }<a name="line.190"></a>
<span class="sourceLineNo">191</span>        this.paint = paint;<a name="line.191"></a>
<span class="sourceLineNo">192</span>        notifyListeners(new DialLayerChangeEvent(this));<a name="line.192"></a>
<span class="sourceLineNo">193</span>    }<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span>    /**<a name="line.195"></a>
<span class="sourceLineNo">196</span>     * Returns the angle used to calculate the anchor point.<a name="line.196"></a>
<span class="sourceLineNo">197</span>     *<a name="line.197"></a>
<span class="sourceLineNo">198</span>     * @return The angle (in degrees).<a name="line.198"></a>
<span class="sourceLineNo">199</span>     *<a name="line.199"></a>
<span class="sourceLineNo">200</span>     * @see #setAngle(double)<a name="line.200"></a>
<span class="sourceLineNo">201</span>     * @see #getRadius()<a name="line.201"></a>
<span class="sourceLineNo">202</span>     */<a name="line.202"></a>
<span class="sourceLineNo">203</span>    public double getAngle() {<a name="line.203"></a>
<span class="sourceLineNo">204</span>        return this.angle;<a name="line.204"></a>
<span class="sourceLineNo">205</span>    }<a name="line.205"></a>
<span class="sourceLineNo">206</span><a name="line.206"></a>
<span class="sourceLineNo">207</span>    /**<a name="line.207"></a>
<span class="sourceLineNo">208</span>     * Sets the angle used to calculate the anchor point and sends a<a name="line.208"></a>
<span class="sourceLineNo">209</span>     * {@link DialLayerChangeEvent} to all registered listeners.<a name="line.209"></a>
<span class="sourceLineNo">210</span>     *<a name="line.210"></a>
<span class="sourceLineNo">211</span>     * @param angle  the angle (in degrees).<a name="line.211"></a>
<span class="sourceLineNo">212</span>     *<a name="line.212"></a>
<span class="sourceLineNo">213</span>     * @see #getAngle()<a name="line.213"></a>
<span class="sourceLineNo">214</span>     * @see #setRadius(double)<a name="line.214"></a>
<span class="sourceLineNo">215</span>     */<a name="line.215"></a>
<span class="sourceLineNo">216</span>    public void setAngle(double angle) {<a name="line.216"></a>
<span class="sourceLineNo">217</span>        this.angle = angle;<a name="line.217"></a>
<span class="sourceLineNo">218</span>        notifyListeners(new DialLayerChangeEvent(this));<a name="line.218"></a>
<span class="sourceLineNo">219</span>    }<a name="line.219"></a>
<span class="sourceLineNo">220</span><a name="line.220"></a>
<span class="sourceLineNo">221</span>    /**<a name="line.221"></a>
<span class="sourceLineNo">222</span>     * Returns the radius used to calculate the anchor point.  This is<a name="line.222"></a>
<span class="sourceLineNo">223</span>     * specified as a percentage relative to the dial's framing rectangle.<a name="line.223"></a>
<span class="sourceLineNo">224</span>     *<a name="line.224"></a>
<span class="sourceLineNo">225</span>     * @return The radius.<a name="line.225"></a>
<span class="sourceLineNo">226</span>     *<a name="line.226"></a>
<span class="sourceLineNo">227</span>     * @see #setRadius(double)<a name="line.227"></a>
<span class="sourceLineNo">228</span>     * @see #getAngle()<a name="line.228"></a>
<span class="sourceLineNo">229</span>     */<a name="line.229"></a>
<span class="sourceLineNo">230</span>    public double getRadius() {<a name="line.230"></a>
<span class="sourceLineNo">231</span>        return this.radius;<a name="line.231"></a>
<span class="sourceLineNo">232</span>    }<a name="line.232"></a>
<span class="sourceLineNo">233</span><a name="line.233"></a>
<span class="sourceLineNo">234</span>    /**<a name="line.234"></a>
<span class="sourceLineNo">235</span>     * Sets the radius used to calculate the anchor point and sends a<a name="line.235"></a>
<span class="sourceLineNo">236</span>     * {@link DialLayerChangeEvent} to all registered listeners.<a name="line.236"></a>
<span class="sourceLineNo">237</span>     *<a name="line.237"></a>
<span class="sourceLineNo">238</span>     * @param radius  the radius (as a percentage of the dial's framing<a name="line.238"></a>
<span class="sourceLineNo">239</span>     *                rectangle).<a name="line.239"></a>
<span class="sourceLineNo">240</span>     *<a name="line.240"></a>
<span class="sourceLineNo">241</span>     * @see #getRadius()<a name="line.241"></a>
<span class="sourceLineNo">242</span>     * @see #setAngle(double)<a name="line.242"></a>
<span class="sourceLineNo">243</span>     */<a name="line.243"></a>
<span class="sourceLineNo">244</span>    public void setRadius(double radius) {<a name="line.244"></a>
<span class="sourceLineNo">245</span>        if (radius &lt; 0.0) {<a name="line.245"></a>
<span class="sourceLineNo">246</span>            throw new IllegalArgumentException(<a name="line.246"></a>
<span class="sourceLineNo">247</span>                    "The 'radius' cannot be negative.");<a name="line.247"></a>
<span class="sourceLineNo">248</span>        }<a name="line.248"></a>
<span class="sourceLineNo">249</span>        this.radius = radius;<a name="line.249"></a>
<span class="sourceLineNo">250</span>        notifyListeners(new DialLayerChangeEvent(this));<a name="line.250"></a>
<span class="sourceLineNo">251</span>    }<a name="line.251"></a>
<span class="sourceLineNo">252</span><a name="line.252"></a>
<span class="sourceLineNo">253</span>    /**<a name="line.253"></a>
<span class="sourceLineNo">254</span>     * Returns the text anchor point that will be aligned to the position<a name="line.254"></a>
<span class="sourceLineNo">255</span>     * specified by {@link #getAngle()} and {@link #getRadius()}.<a name="line.255"></a>
<span class="sourceLineNo">256</span>     *<a name="line.256"></a>
<span class="sourceLineNo">257</span>     * @return The anchor point.<a name="line.257"></a>
<span class="sourceLineNo">258</span>     *<a name="line.258"></a>
<span class="sourceLineNo">259</span>     * @see #setAnchor(TextAnchor)<a name="line.259"></a>
<span class="sourceLineNo">260</span>     */<a name="line.260"></a>
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<span class="sourceLineNo">264</span><a name="line.264"></a>
<span class="sourceLineNo">265</span>    /**<a name="line.265"></a>
<span class="sourceLineNo">266</span>     * Sets the text anchor point and sends a {@link DialLayerChangeEvent} to<a name="line.266"></a>
<span class="sourceLineNo">267</span>     * all registered listeners.<a name="line.267"></a>
<span class="sourceLineNo">268</span>     *<a name="line.268"></a>
<span class="sourceLineNo">269</span>     * @param anchor  the anchor point (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.269"></a>
<span class="sourceLineNo">270</span>     *<a name="line.270"></a>
<span class="sourceLineNo">271</span>     * @see #getAnchor()<a name="line.271"></a>
<span class="sourceLineNo">272</span>     */<a name="line.272"></a>
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<span class="sourceLineNo">275</span>            throw new IllegalArgumentException("Null 'anchor' argument.");<a name="line.275"></a>
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<span class="sourceLineNo">277</span>        this.anchor = anchor;<a name="line.277"></a>
<span class="sourceLineNo">278</span>        notifyListeners(new DialLayerChangeEvent(this));<a name="line.278"></a>
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<span class="sourceLineNo">280</span><a name="line.280"></a>
<span class="sourceLineNo">281</span>    /**<a name="line.281"></a>
<span class="sourceLineNo">282</span>     * Returns &lt;code&gt;true&lt;/code&gt; to indicate that this layer should be<a name="line.282"></a>
<span class="sourceLineNo">283</span>     * clipped within the dial window.<a name="line.283"></a>
<span class="sourceLineNo">284</span>     *<a name="line.284"></a>
<span class="sourceLineNo">285</span>     * @return &lt;code&gt;true&lt;/code&gt;.<a name="line.285"></a>
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<span class="sourceLineNo">290</span><a name="line.290"></a>
<span class="sourceLineNo">291</span>    /**<a name="line.291"></a>
<span class="sourceLineNo">292</span>     * Draws the background to the specified graphics device.  If the dial<a name="line.292"></a>
<span class="sourceLineNo">293</span>     * frame specifies a window, the clipping region will already have been<a name="line.293"></a>
<span class="sourceLineNo">294</span>     * set to this window before this method is called.<a name="line.294"></a>
<span class="sourceLineNo">295</span>     *<a name="line.295"></a>
<span class="sourceLineNo">296</span>     * @param g2  the graphics device (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.296"></a>
<span class="sourceLineNo">297</span>     * @param plot  the plot (ignored here).<a name="line.297"></a>
<span class="sourceLineNo">298</span>     * @param frame  the dial frame (ignored here).<a name="line.298"></a>
<span class="sourceLineNo">299</span>     * @param view  the view rectangle (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.299"></a>
<span class="sourceLineNo">300</span>     */<a name="line.300"></a>
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<span class="sourceLineNo">302</span>            Rectangle2D view) {<a name="line.302"></a>
<span class="sourceLineNo">303</span><a name="line.303"></a>
<span class="sourceLineNo">304</span>        // work out the anchor point<a name="line.304"></a>
<span class="sourceLineNo">305</span>        Rectangle2D f = DialPlot.rectangleByRadius(frame, this.radius,<a name="line.305"></a>
<span class="sourceLineNo">306</span>                this.radius);<a name="line.306"></a>
<span class="sourceLineNo">307</span>        Arc2D arc = new Arc2D.Double(f, this.angle, 0.0, Arc2D.OPEN);<a name="line.307"></a>
<span class="sourceLineNo">308</span>        Point2D pt = arc.getStartPoint();<a name="line.308"></a>
<span class="sourceLineNo">309</span>        g2.setPaint(this.paint);<a name="line.309"></a>
<span class="sourceLineNo">310</span>        g2.setFont(this.font);<a name="line.310"></a>
<span class="sourceLineNo">311</span>        TextUtilities.drawAlignedString(this.label, g2, (float) pt.getX(),<a name="line.311"></a>
<span class="sourceLineNo">312</span>                (float) pt.getY(), this.anchor);<a name="line.312"></a>
<span class="sourceLineNo">313</span><a name="line.313"></a>
<span class="sourceLineNo">314</span>    }<a name="line.314"></a>
<span class="sourceLineNo">315</span><a name="line.315"></a>
<span class="sourceLineNo">316</span>    /**<a name="line.316"></a>
<span class="sourceLineNo">317</span>     * Tests this instance for equality with an arbitrary object.<a name="line.317"></a>
<span class="sourceLineNo">318</span>     *<a name="line.318"></a>
<span class="sourceLineNo">319</span>     * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.319"></a>
<span class="sourceLineNo">320</span>     *<a name="line.320"></a>
<span class="sourceLineNo">321</span>     * @return A boolean.<a name="line.321"></a>
<span class="sourceLineNo">322</span>     */<a name="line.322"></a>
<span class="sourceLineNo">323</span>    public boolean equals(Object obj) {<a name="line.323"></a>
<span class="sourceLineNo">324</span>        if (obj == this) {<a name="line.324"></a>
<span class="sourceLineNo">325</span>            return true;<a name="line.325"></a>
<span class="sourceLineNo">326</span>        }<a name="line.326"></a>
<span class="sourceLineNo">327</span>        if (!(obj instanceof DialTextAnnotation)) {<a name="line.327"></a>
<span class="sourceLineNo">328</span>            return false;<a name="line.328"></a>
<span class="sourceLineNo">329</span>        }<a name="line.329"></a>
<span class="sourceLineNo">330</span>        DialTextAnnotation that = (DialTextAnnotation) obj;<a name="line.330"></a>
<span class="sourceLineNo">331</span>        if (!this.label.equals(that.label)) {<a name="line.331"></a>
<span class="sourceLineNo">332</span>            return false;<a name="line.332"></a>
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<span class="sourceLineNo">334</span>        if (!this.font.equals(that.font)) {<a name="line.334"></a>
<span class="sourceLineNo">335</span>            return false;<a name="line.335"></a>
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<span class="sourceLineNo">337</span>        if (!PaintUtilities.equal(this.paint, that.paint)) {<a name="line.337"></a>
<span class="sourceLineNo">338</span>            return false;<a name="line.338"></a>
<span class="sourceLineNo">339</span>        }<a name="line.339"></a>
<span class="sourceLineNo">340</span>        if (this.radius != that.radius) {<a name="line.340"></a>
<span class="sourceLineNo">341</span>            return false;<a name="line.341"></a>
<span class="sourceLineNo">342</span>        }<a name="line.342"></a>
<span class="sourceLineNo">343</span>        if (this.angle != that.angle) {<a name="line.343"></a>
<span class="sourceLineNo">344</span>            return false;<a name="line.344"></a>
<span class="sourceLineNo">345</span>        }<a name="line.345"></a>
<span class="sourceLineNo">346</span>        if (!this.anchor.equals(that.anchor)) {<a name="line.346"></a>
<span class="sourceLineNo">347</span>            return false;<a name="line.347"></a>
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<span class="sourceLineNo">351</span><a name="line.351"></a>
<span class="sourceLineNo">352</span>    /**<a name="line.352"></a>
<span class="sourceLineNo">353</span>     * Returns a hash code for this instance.<a name="line.353"></a>
<span class="sourceLineNo">354</span>     *<a name="line.354"></a>
<span class="sourceLineNo">355</span>     * @return The hash code.<a name="line.355"></a>
<span class="sourceLineNo">356</span>     */<a name="line.356"></a>
<span class="sourceLineNo">357</span>    public int hashCode() {<a name="line.357"></a>
<span class="sourceLineNo">358</span>        int result = 193;<a name="line.358"></a>
<span class="sourceLineNo">359</span>        result = 37 * result + HashUtilities.hashCodeForPaint(this.paint);<a name="line.359"></a>
<span class="sourceLineNo">360</span>        result = 37 * result + this.font.hashCode();<a name="line.360"></a>
<span class="sourceLineNo">361</span>        result = 37 * result + this.label.hashCode();<a name="line.361"></a>
<span class="sourceLineNo">362</span>        result = 37 * result + this.anchor.hashCode();<a name="line.362"></a>
<span class="sourceLineNo">363</span>        long temp = Double.doubleToLongBits(this.angle);<a name="line.363"></a>
<span class="sourceLineNo">364</span>        result = 37 * result + (int) (temp ^ (temp &gt;&gt;&gt; 32));<a name="line.364"></a>
<span class="sourceLineNo">365</span>        temp = Double.doubleToLongBits(this.radius);<a name="line.365"></a>
<span class="sourceLineNo">366</span>        result = 37 * result + (int) (temp ^ (temp &gt;&gt;&gt; 32));<a name="line.366"></a>
<span class="sourceLineNo">367</span>        return result;<a name="line.367"></a>
<span class="sourceLineNo">368</span>    }<a name="line.368"></a>
<span class="sourceLineNo">369</span><a name="line.369"></a>
<span class="sourceLineNo">370</span>    /**<a name="line.370"></a>
<span class="sourceLineNo">371</span>     * Returns a clone of this instance.<a name="line.371"></a>
<span class="sourceLineNo">372</span>     *<a name="line.372"></a>
<span class="sourceLineNo">373</span>     * @return The clone.<a name="line.373"></a>
<span class="sourceLineNo">374</span>     *<a name="line.374"></a>
<span class="sourceLineNo">375</span>     * @throws CloneNotSupportedException if some attribute of this instance<a name="line.375"></a>
<span class="sourceLineNo">376</span>     *     cannot be cloned.<a name="line.376"></a>
<span class="sourceLineNo">377</span>     */<a name="line.377"></a>
<span class="sourceLineNo">378</span>    public Object clone() throws CloneNotSupportedException {<a name="line.378"></a>
<span class="sourceLineNo">379</span>        return super.clone();<a name="line.379"></a>
<span class="sourceLineNo">380</span>    }<a name="line.380"></a>
<span class="sourceLineNo">381</span><a name="line.381"></a>
<span class="sourceLineNo">382</span>    /**<a name="line.382"></a>
<span class="sourceLineNo">383</span>     * Provides serialization support.<a name="line.383"></a>
<span class="sourceLineNo">384</span>     *<a name="line.384"></a>
<span class="sourceLineNo">385</span>     * @param stream  the output stream.<a name="line.385"></a>
<span class="sourceLineNo">386</span>     *<a name="line.386"></a>
<span class="sourceLineNo">387</span>     * @throws IOException  if there is an I/O error.<a name="line.387"></a>
<span class="sourceLineNo">388</span>     */<a name="line.388"></a>
<span class="sourceLineNo">389</span>    private void writeObject(ObjectOutputStream stream) throws IOException {<a name="line.389"></a>
<span class="sourceLineNo">390</span>        stream.defaultWriteObject();<a name="line.390"></a>
<span class="sourceLineNo">391</span>        SerialUtilities.writePaint(this.paint, stream);<a name="line.391"></a>
<span class="sourceLineNo">392</span>    }<a name="line.392"></a>
<span class="sourceLineNo">393</span><a name="line.393"></a>
<span class="sourceLineNo">394</span>    /**<a name="line.394"></a>
<span class="sourceLineNo">395</span>     * Provides serialization support.<a name="line.395"></a>
<span class="sourceLineNo">396</span>     *<a name="line.396"></a>
<span class="sourceLineNo">397</span>     * @param stream  the input stream.<a name="line.397"></a>
<span class="sourceLineNo">398</span>     *<a name="line.398"></a>
<span class="sourceLineNo">399</span>     * @throws IOException  if there is an I/O error.<a name="line.399"></a>
<span class="sourceLineNo">400</span>     * @throws ClassNotFoundException  if there is a classpath problem.<a name="line.400"></a>
<span class="sourceLineNo">401</span>     */<a name="line.401"></a>
<span class="sourceLineNo">402</span>    private void readObject(ObjectInputStream stream)<a name="line.402"></a>
<span class="sourceLineNo">403</span>            throws IOException, ClassNotFoundException {<a name="line.403"></a>
<span class="sourceLineNo">404</span>        stream.defaultReadObject();<a name="line.404"></a>
<span class="sourceLineNo">405</span>        this.paint = SerialUtilities.readPaint(stream);<a name="line.405"></a>
<span class="sourceLineNo">406</span>    }<a name="line.406"></a>
<span class="sourceLineNo">407</span><a name="line.407"></a>
<span class="sourceLineNo">408</span>}<a name="line.408"></a>




























































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