123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509 |
- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
- <html lang="en">
- <head>
- <title>Source code</title>
- <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
- </head>
- <body>
- <div class="sourceContainer">
- <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 2000-2014, 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> * ModuloAxis.java<a name="line.28"></a>
- <span class="sourceLineNo">029</span> * ---------------<a name="line.29"></a>
- <span class="sourceLineNo">030</span> * (C) Copyright 2004-2014, 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> * 13-Aug-2004 : Version 1 (DG);<a name="line.37"></a>
- <span class="sourceLineNo">038</span> * 13-Nov-2007 : Implemented equals() (DG);<a name="line.38"></a>
- <span class="sourceLineNo">039</span> *<a name="line.39"></a>
- <span class="sourceLineNo">040</span> */<a name="line.40"></a>
- <span class="sourceLineNo">041</span><a name="line.41"></a>
- <span class="sourceLineNo">042</span>package org.jfree.chart.axis;<a name="line.42"></a>
- <span class="sourceLineNo">043</span><a name="line.43"></a>
- <span class="sourceLineNo">044</span>import java.awt.geom.Rectangle2D;<a name="line.44"></a>
- <span class="sourceLineNo">045</span><a name="line.45"></a>
- <span class="sourceLineNo">046</span>import org.jfree.chart.event.AxisChangeEvent;<a name="line.46"></a>
- <span class="sourceLineNo">047</span>import org.jfree.data.Range;<a name="line.47"></a>
- <span class="sourceLineNo">048</span>import org.jfree.ui.RectangleEdge;<a name="line.48"></a>
- <span class="sourceLineNo">049</span><a name="line.49"></a>
- <span class="sourceLineNo">050</span>/**<a name="line.50"></a>
- <span class="sourceLineNo">051</span> * An axis that displays numerical values within a fixed range using a modulo<a name="line.51"></a>
- <span class="sourceLineNo">052</span> * calculation.<a name="line.52"></a>
- <span class="sourceLineNo">053</span> */<a name="line.53"></a>
- <span class="sourceLineNo">054</span>public class ModuloAxis extends NumberAxis {<a name="line.54"></a>
- <span class="sourceLineNo">055</span><a name="line.55"></a>
- <span class="sourceLineNo">056</span> /**<a name="line.56"></a>
- <span class="sourceLineNo">057</span> * The fixed range for the axis - all data values will be mapped to this<a name="line.57"></a>
- <span class="sourceLineNo">058</span> * range using a modulo calculation.<a name="line.58"></a>
- <span class="sourceLineNo">059</span> */<a name="line.59"></a>
- <span class="sourceLineNo">060</span> private Range fixedRange;<a name="line.60"></a>
- <span class="sourceLineNo">061</span><a name="line.61"></a>
- <span class="sourceLineNo">062</span> /**<a name="line.62"></a>
- <span class="sourceLineNo">063</span> * The display start value (this will sometimes be &gt; displayEnd, in which<a name="line.63"></a>
- <span class="sourceLineNo">064</span> * case the axis wraps around at some point in the middle of the axis).<a name="line.64"></a>
- <span class="sourceLineNo">065</span> */<a name="line.65"></a>
- <span class="sourceLineNo">066</span> private double displayStart;<a name="line.66"></a>
- <span class="sourceLineNo">067</span><a name="line.67"></a>
- <span class="sourceLineNo">068</span> /**<a name="line.68"></a>
- <span class="sourceLineNo">069</span> * The display end value.<a name="line.69"></a>
- <span class="sourceLineNo">070</span> */<a name="line.70"></a>
- <span class="sourceLineNo">071</span> private double displayEnd;<a name="line.71"></a>
- <span class="sourceLineNo">072</span><a name="line.72"></a>
- <span class="sourceLineNo">073</span> /**<a name="line.73"></a>
- <span class="sourceLineNo">074</span> * Creates a new axis.<a name="line.74"></a>
- <span class="sourceLineNo">075</span> *<a name="line.75"></a>
- <span class="sourceLineNo">076</span> * @param label the axis label (<code>null</code> permitted).<a name="line.76"></a>
- <span class="sourceLineNo">077</span> * @param fixedRange the fixed range (<code>null</code> not permitted).<a name="line.77"></a>
- <span class="sourceLineNo">078</span> */<a name="line.78"></a>
- <span class="sourceLineNo">079</span> public ModuloAxis(String label, Range fixedRange) {<a name="line.79"></a>
- <span class="sourceLineNo">080</span> super(label);<a name="line.80"></a>
- <span class="sourceLineNo">081</span> this.fixedRange = fixedRange;<a name="line.81"></a>
- <span class="sourceLineNo">082</span> this.displayStart = 270.0;<a name="line.82"></a>
- <span class="sourceLineNo">083</span> this.displayEnd = 90.0;<a name="line.83"></a>
- <span class="sourceLineNo">084</span> }<a name="line.84"></a>
- <span class="sourceLineNo">085</span><a name="line.85"></a>
- <span class="sourceLineNo">086</span> /**<a name="line.86"></a>
- <span class="sourceLineNo">087</span> * Returns the display start value.<a name="line.87"></a>
- <span class="sourceLineNo">088</span> *<a name="line.88"></a>
- <span class="sourceLineNo">089</span> * @return The display start value.<a name="line.89"></a>
- <span class="sourceLineNo">090</span> */<a name="line.90"></a>
- <span class="sourceLineNo">091</span> public double getDisplayStart() {<a name="line.91"></a>
- <span class="sourceLineNo">092</span> return this.displayStart;<a name="line.92"></a>
- <span class="sourceLineNo">093</span> }<a name="line.93"></a>
- <span class="sourceLineNo">094</span><a name="line.94"></a>
- <span class="sourceLineNo">095</span> /**<a name="line.95"></a>
- <span class="sourceLineNo">096</span> * Returns the display end value.<a name="line.96"></a>
- <span class="sourceLineNo">097</span> *<a name="line.97"></a>
- <span class="sourceLineNo">098</span> * @return The display end value.<a name="line.98"></a>
- <span class="sourceLineNo">099</span> */<a name="line.99"></a>
- <span class="sourceLineNo">100</span> public double getDisplayEnd() {<a name="line.100"></a>
- <span class="sourceLineNo">101</span> return this.displayEnd;<a name="line.101"></a>
- <span class="sourceLineNo">102</span> }<a name="line.102"></a>
- <span class="sourceLineNo">103</span><a name="line.103"></a>
- <span class="sourceLineNo">104</span> /**<a name="line.104"></a>
- <span class="sourceLineNo">105</span> * Sets the display range. The values will be mapped to the fixed range if<a name="line.105"></a>
- <span class="sourceLineNo">106</span> * necessary.<a name="line.106"></a>
- <span class="sourceLineNo">107</span> *<a name="line.107"></a>
- <span class="sourceLineNo">108</span> * @param start the start value.<a name="line.108"></a>
- <span class="sourceLineNo">109</span> * @param end the end value.<a name="line.109"></a>
- <span class="sourceLineNo">110</span> */<a name="line.110"></a>
- <span class="sourceLineNo">111</span> public void setDisplayRange(double start, double end) {<a name="line.111"></a>
- <span class="sourceLineNo">112</span> this.displayStart = mapValueToFixedRange(start);<a name="line.112"></a>
- <span class="sourceLineNo">113</span> this.displayEnd = mapValueToFixedRange(end);<a name="line.113"></a>
- <span class="sourceLineNo">114</span> if (this.displayStart < this.displayEnd) {<a name="line.114"></a>
- <span class="sourceLineNo">115</span> setRange(this.displayStart, this.displayEnd);<a name="line.115"></a>
- <span class="sourceLineNo">116</span> }<a name="line.116"></a>
- <span class="sourceLineNo">117</span> else {<a name="line.117"></a>
- <span class="sourceLineNo">118</span> setRange(this.displayStart, this.fixedRange.getUpperBound()<a name="line.118"></a>
- <span class="sourceLineNo">119</span> + (this.displayEnd - this.fixedRange.getLowerBound()));<a name="line.119"></a>
- <span class="sourceLineNo">120</span> }<a name="line.120"></a>
- <span class="sourceLineNo">121</span> notifyListeners(new AxisChangeEvent(this));<a name="line.121"></a>
- <span class="sourceLineNo">122</span> }<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> * This method should calculate a range that will show all the data values.<a name="line.125"></a>
- <span class="sourceLineNo">126</span> * For now, it just sets the axis range to the fixedRange.<a name="line.126"></a>
- <span class="sourceLineNo">127</span> */<a name="line.127"></a>
- <span class="sourceLineNo">128</span> @Override<a name="line.128"></a>
- <span class="sourceLineNo">129</span> protected void autoAdjustRange() {<a name="line.129"></a>
- <span class="sourceLineNo">130</span> setRange(this.fixedRange, false, false);<a name="line.130"></a>
- <span class="sourceLineNo">131</span> }<a name="line.131"></a>
- <span class="sourceLineNo">132</span><a name="line.132"></a>
- <span class="sourceLineNo">133</span> /**<a name="line.133"></a>
- <span class="sourceLineNo">134</span> * Translates a data value to a Java2D coordinate.<a name="line.134"></a>
- <span class="sourceLineNo">135</span> *<a name="line.135"></a>
- <span class="sourceLineNo">136</span> * @param value the value.<a name="line.136"></a>
- <span class="sourceLineNo">137</span> * @param area the area.<a name="line.137"></a>
- <span class="sourceLineNo">138</span> * @param edge the edge.<a name="line.138"></a>
- <span class="sourceLineNo">139</span> *<a name="line.139"></a>
- <span class="sourceLineNo">140</span> * @return A Java2D coordinate.<a name="line.140"></a>
- <span class="sourceLineNo">141</span> */<a name="line.141"></a>
- <span class="sourceLineNo">142</span> @Override<a name="line.142"></a>
- <span class="sourceLineNo">143</span> public double valueToJava2D(double value, Rectangle2D area,<a name="line.143"></a>
- <span class="sourceLineNo">144</span> RectangleEdge edge) {<a name="line.144"></a>
- <span class="sourceLineNo">145</span> double result;<a name="line.145"></a>
- <span class="sourceLineNo">146</span> double v = mapValueToFixedRange(value);<a name="line.146"></a>
- <span class="sourceLineNo">147</span> if (this.displayStart < this.displayEnd) { // regular number axis<a name="line.147"></a>
- <span class="sourceLineNo">148</span> result = trans(v, area, edge);<a name="line.148"></a>
- <span class="sourceLineNo">149</span> }<a name="line.149"></a>
- <span class="sourceLineNo">150</span> else { // displayStart > displayEnd, need to handle split<a name="line.150"></a>
- <span class="sourceLineNo">151</span> double cutoff = (this.displayStart + this.displayEnd) / 2.0;<a name="line.151"></a>
- <span class="sourceLineNo">152</span> double length1 = this.fixedRange.getUpperBound()<a name="line.152"></a>
- <span class="sourceLineNo">153</span> - this.displayStart;<a name="line.153"></a>
- <span class="sourceLineNo">154</span> double length2 = this.displayEnd - this.fixedRange.getLowerBound();<a name="line.154"></a>
- <span class="sourceLineNo">155</span> if (v > cutoff) {<a name="line.155"></a>
- <span class="sourceLineNo">156</span> result = transStart(v, area, edge, length1, length2);<a name="line.156"></a>
- <span class="sourceLineNo">157</span> }<a name="line.157"></a>
- <span class="sourceLineNo">158</span> else {<a name="line.158"></a>
- <span class="sourceLineNo">159</span> result = transEnd(v, area, edge, length1, length2);<a name="line.159"></a>
- <span class="sourceLineNo">160</span> }<a name="line.160"></a>
- <span class="sourceLineNo">161</span> }<a name="line.161"></a>
- <span class="sourceLineNo">162</span> return result;<a name="line.162"></a>
- <span class="sourceLineNo">163</span> }<a name="line.163"></a>
- <span class="sourceLineNo">164</span><a name="line.164"></a>
- <span class="sourceLineNo">165</span> /**<a name="line.165"></a>
- <span class="sourceLineNo">166</span> * A regular translation from a data value to a Java2D value.<a name="line.166"></a>
- <span class="sourceLineNo">167</span> *<a name="line.167"></a>
- <span class="sourceLineNo">168</span> * @param value the value.<a name="line.168"></a>
- <span class="sourceLineNo">169</span> * @param area the data area.<a name="line.169"></a>
- <span class="sourceLineNo">170</span> * @param edge the edge along which the axis lies.<a name="line.170"></a>
- <span class="sourceLineNo">171</span> *<a name="line.171"></a>
- <span class="sourceLineNo">172</span> * @return The Java2D coordinate.<a name="line.172"></a>
- <span class="sourceLineNo">173</span> */<a name="line.173"></a>
- <span class="sourceLineNo">174</span> private double trans(double value, Rectangle2D area, RectangleEdge edge) {<a name="line.174"></a>
- <span class="sourceLineNo">175</span> double min = 0.0;<a name="line.175"></a>
- <span class="sourceLineNo">176</span> double max = 0.0;<a name="line.176"></a>
- <span class="sourceLineNo">177</span> if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.177"></a>
- <span class="sourceLineNo">178</span> min = area.getX();<a name="line.178"></a>
- <span class="sourceLineNo">179</span> max = area.getX() + area.getWidth();<a name="line.179"></a>
- <span class="sourceLineNo">180</span> }<a name="line.180"></a>
- <span class="sourceLineNo">181</span> else if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.181"></a>
- <span class="sourceLineNo">182</span> min = area.getMaxY();<a name="line.182"></a>
- <span class="sourceLineNo">183</span> max = area.getMaxY() - area.getHeight();<a name="line.183"></a>
- <span class="sourceLineNo">184</span> }<a name="line.184"></a>
- <span class="sourceLineNo">185</span> if (isInverted()) {<a name="line.185"></a>
- <span class="sourceLineNo">186</span> return max - ((value - this.displayStart)<a name="line.186"></a>
- <span class="sourceLineNo">187</span> / (this.displayEnd - this.displayStart)) * (max - min);<a name="line.187"></a>
- <span class="sourceLineNo">188</span> }<a name="line.188"></a>
- <span class="sourceLineNo">189</span> else {<a name="line.189"></a>
- <span class="sourceLineNo">190</span> return min + ((value - this.displayStart)<a name="line.190"></a>
- <span class="sourceLineNo">191</span> / (this.displayEnd - this.displayStart)) * (max - min);<a name="line.191"></a>
- <span class="sourceLineNo">192</span> }<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> /**<a name="line.196"></a>
- <span class="sourceLineNo">197</span> * Translates a data value to a Java2D value for the first section of the<a name="line.197"></a>
- <span class="sourceLineNo">198</span> * axis.<a name="line.198"></a>
- <span class="sourceLineNo">199</span> *<a name="line.199"></a>
- <span class="sourceLineNo">200</span> * @param value the value.<a name="line.200"></a>
- <span class="sourceLineNo">201</span> * @param area the data area.<a name="line.201"></a>
- <span class="sourceLineNo">202</span> * @param edge the edge along which the axis lies.<a name="line.202"></a>
- <span class="sourceLineNo">203</span> * @param length1 the length of the first section.<a name="line.203"></a>
- <span class="sourceLineNo">204</span> * @param length2 the length of the second section.<a name="line.204"></a>
- <span class="sourceLineNo">205</span> *<a name="line.205"></a>
- <span class="sourceLineNo">206</span> * @return The Java2D coordinate.<a name="line.206"></a>
- <span class="sourceLineNo">207</span> */<a name="line.207"></a>
- <span class="sourceLineNo">208</span> private double transStart(double value, Rectangle2D area,<a name="line.208"></a>
- <span class="sourceLineNo">209</span> RectangleEdge edge,<a name="line.209"></a>
- <span class="sourceLineNo">210</span> double length1, double length2) {<a name="line.210"></a>
- <span class="sourceLineNo">211</span> double min = 0.0;<a name="line.211"></a>
- <span class="sourceLineNo">212</span> double max = 0.0;<a name="line.212"></a>
- <span class="sourceLineNo">213</span> if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.213"></a>
- <span class="sourceLineNo">214</span> min = area.getX();<a name="line.214"></a>
- <span class="sourceLineNo">215</span> max = area.getX() + area.getWidth() * length1 / (length1 + length2);<a name="line.215"></a>
- <span class="sourceLineNo">216</span> }<a name="line.216"></a>
- <span class="sourceLineNo">217</span> else if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.217"></a>
- <span class="sourceLineNo">218</span> min = area.getMaxY();<a name="line.218"></a>
- <span class="sourceLineNo">219</span> max = area.getMaxY() - area.getHeight() * length1<a name="line.219"></a>
- <span class="sourceLineNo">220</span> / (length1 + length2);<a name="line.220"></a>
- <span class="sourceLineNo">221</span> }<a name="line.221"></a>
- <span class="sourceLineNo">222</span> if (isInverted()) {<a name="line.222"></a>
- <span class="sourceLineNo">223</span> return max - ((value - this.displayStart)<a name="line.223"></a>
- <span class="sourceLineNo">224</span> / (this.fixedRange.getUpperBound() - this.displayStart))<a name="line.224"></a>
- <span class="sourceLineNo">225</span> * (max - min);<a name="line.225"></a>
- <span class="sourceLineNo">226</span> }<a name="line.226"></a>
- <span class="sourceLineNo">227</span> else {<a name="line.227"></a>
- <span class="sourceLineNo">228</span> return min + ((value - this.displayStart)<a name="line.228"></a>
- <span class="sourceLineNo">229</span> / (this.fixedRange.getUpperBound() - this.displayStart))<a name="line.229"></a>
- <span class="sourceLineNo">230</span> * (max - min);<a name="line.230"></a>
- <span class="sourceLineNo">231</span> }<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> /**<a name="line.235"></a>
- <span class="sourceLineNo">236</span> * Translates a data value to a Java2D value for the second section of the<a name="line.236"></a>
- <span class="sourceLineNo">237</span> * axis.<a name="line.237"></a>
- <span class="sourceLineNo">238</span> *<a name="line.238"></a>
- <span class="sourceLineNo">239</span> * @param value the value.<a name="line.239"></a>
- <span class="sourceLineNo">240</span> * @param area the data area.<a name="line.240"></a>
- <span class="sourceLineNo">241</span> * @param edge the edge along which the axis lies.<a name="line.241"></a>
- <span class="sourceLineNo">242</span> * @param length1 the length of the first section.<a name="line.242"></a>
- <span class="sourceLineNo">243</span> * @param length2 the length of the second section.<a name="line.243"></a>
- <span class="sourceLineNo">244</span> *<a name="line.244"></a>
- <span class="sourceLineNo">245</span> * @return The Java2D coordinate.<a name="line.245"></a>
- <span class="sourceLineNo">246</span> */<a name="line.246"></a>
- <span class="sourceLineNo">247</span> private double transEnd(double value, Rectangle2D area, RectangleEdge edge,<a name="line.247"></a>
- <span class="sourceLineNo">248</span> double length1, double length2) {<a name="line.248"></a>
- <span class="sourceLineNo">249</span> double min = 0.0;<a name="line.249"></a>
- <span class="sourceLineNo">250</span> double max = 0.0;<a name="line.250"></a>
- <span class="sourceLineNo">251</span> if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.251"></a>
- <span class="sourceLineNo">252</span> max = area.getMaxX();<a name="line.252"></a>
- <span class="sourceLineNo">253</span> min = area.getMaxX() - area.getWidth() * length2<a name="line.253"></a>
- <span class="sourceLineNo">254</span> / (length1 + length2);<a name="line.254"></a>
- <span class="sourceLineNo">255</span> }<a name="line.255"></a>
- <span class="sourceLineNo">256</span> else if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.256"></a>
- <span class="sourceLineNo">257</span> max = area.getMinY();<a name="line.257"></a>
- <span class="sourceLineNo">258</span> min = area.getMinY() + area.getHeight() * length2<a name="line.258"></a>
- <span class="sourceLineNo">259</span> / (length1 + length2);<a name="line.259"></a>
- <span class="sourceLineNo">260</span> }<a name="line.260"></a>
- <span class="sourceLineNo">261</span> if (isInverted()) {<a name="line.261"></a>
- <span class="sourceLineNo">262</span> return max - ((value - this.fixedRange.getLowerBound())<a name="line.262"></a>
- <span class="sourceLineNo">263</span> / (this.displayEnd - this.fixedRange.getLowerBound()))<a name="line.263"></a>
- <span class="sourceLineNo">264</span> * (max - min);<a name="line.264"></a>
- <span class="sourceLineNo">265</span> }<a name="line.265"></a>
- <span class="sourceLineNo">266</span> else {<a name="line.266"></a>
- <span class="sourceLineNo">267</span> return min + ((value - this.fixedRange.getLowerBound())<a name="line.267"></a>
- <span class="sourceLineNo">268</span> / (this.displayEnd - this.fixedRange.getLowerBound()))<a name="line.268"></a>
- <span class="sourceLineNo">269</span> * (max - min);<a name="line.269"></a>
- <span class="sourceLineNo">270</span> }<a name="line.270"></a>
- <span class="sourceLineNo">271</span><a name="line.271"></a>
- <span class="sourceLineNo">272</span> }<a name="line.272"></a>
- <span class="sourceLineNo">273</span><a name="line.273"></a>
- <span class="sourceLineNo">274</span> /**<a name="line.274"></a>
- <span class="sourceLineNo">275</span> * Maps a data value into the fixed range.<a name="line.275"></a>
- <span class="sourceLineNo">276</span> *<a name="line.276"></a>
- <span class="sourceLineNo">277</span> * @param value the value.<a name="line.277"></a>
- <span class="sourceLineNo">278</span> *<a name="line.278"></a>
- <span class="sourceLineNo">279</span> * @return The mapped value.<a name="line.279"></a>
- <span class="sourceLineNo">280</span> */<a name="line.280"></a>
- <span class="sourceLineNo">281</span> private double mapValueToFixedRange(double value) {<a name="line.281"></a>
- <span class="sourceLineNo">282</span> double lower = this.fixedRange.getLowerBound();<a name="line.282"></a>
- <span class="sourceLineNo">283</span> double length = this.fixedRange.getLength();<a name="line.283"></a>
- <span class="sourceLineNo">284</span> if (value < lower) {<a name="line.284"></a>
- <span class="sourceLineNo">285</span> return lower + length + ((value - lower) % length);<a name="line.285"></a>
- <span class="sourceLineNo">286</span> }<a name="line.286"></a>
- <span class="sourceLineNo">287</span> else {<a name="line.287"></a>
- <span class="sourceLineNo">288</span> return lower + ((value - lower) % length);<a name="line.288"></a>
- <span class="sourceLineNo">289</span> }<a name="line.289"></a>
- <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> /**<a name="line.292"></a>
- <span class="sourceLineNo">293</span> * Translates a Java2D coordinate into a data value.<a name="line.293"></a>
- <span class="sourceLineNo">294</span> *<a name="line.294"></a>
- <span class="sourceLineNo">295</span> * @param java2DValue the Java2D coordinate.<a name="line.295"></a>
- <span class="sourceLineNo">296</span> * @param area the area.<a name="line.296"></a>
- <span class="sourceLineNo">297</span> * @param edge the edge.<a name="line.297"></a>
- <span class="sourceLineNo">298</span> *<a name="line.298"></a>
- <span class="sourceLineNo">299</span> * @return The Java2D coordinate.<a name="line.299"></a>
- <span class="sourceLineNo">300</span> */<a name="line.300"></a>
- <span class="sourceLineNo">301</span> @Override<a name="line.301"></a>
- <span class="sourceLineNo">302</span> public double java2DToValue(double java2DValue, Rectangle2D area,<a name="line.302"></a>
- <span class="sourceLineNo">303</span> RectangleEdge edge) {<a name="line.303"></a>
- <span class="sourceLineNo">304</span> double result = 0.0;<a name="line.304"></a>
- <span class="sourceLineNo">305</span> if (this.displayStart < this.displayEnd) { // regular number axis<a name="line.305"></a>
- <span class="sourceLineNo">306</span> result = super.java2DToValue(java2DValue, area, edge);<a name="line.306"></a>
- <span class="sourceLineNo">307</span> }<a name="line.307"></a>
- <span class="sourceLineNo">308</span> else { // displayStart > displayEnd, need to handle split<a name="line.308"></a>
- <span class="sourceLineNo">309</span><a name="line.309"></a>
- <span class="sourceLineNo">310</span> }<a name="line.310"></a>
- <span class="sourceLineNo">311</span> return result;<a name="line.311"></a>
- <span class="sourceLineNo">312</span> }<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> * Returns the display length for the axis.<a name="line.315"></a>
- <span class="sourceLineNo">316</span> *<a name="line.316"></a>
- <span class="sourceLineNo">317</span> * @return The display length.<a name="line.317"></a>
- <span class="sourceLineNo">318</span> */<a name="line.318"></a>
- <span class="sourceLineNo">319</span> private double getDisplayLength() {<a name="line.319"></a>
- <span class="sourceLineNo">320</span> if (this.displayStart < this.displayEnd) {<a name="line.320"></a>
- <span class="sourceLineNo">321</span> return (this.displayEnd - this.displayStart);<a name="line.321"></a>
- <span class="sourceLineNo">322</span> }<a name="line.322"></a>
- <span class="sourceLineNo">323</span> else {<a name="line.323"></a>
- <span class="sourceLineNo">324</span> return (this.fixedRange.getUpperBound() - this.displayStart)<a name="line.324"></a>
- <span class="sourceLineNo">325</span> + (this.displayEnd - this.fixedRange.getLowerBound());<a name="line.325"></a>
- <span class="sourceLineNo">326</span> }<a name="line.326"></a>
- <span class="sourceLineNo">327</span> }<a name="line.327"></a>
- <span class="sourceLineNo">328</span><a name="line.328"></a>
- <span class="sourceLineNo">329</span> /**<a name="line.329"></a>
- <span class="sourceLineNo">330</span> * Returns the central value of the current display range.<a name="line.330"></a>
- <span class="sourceLineNo">331</span> *<a name="line.331"></a>
- <span class="sourceLineNo">332</span> * @return The central value.<a name="line.332"></a>
- <span class="sourceLineNo">333</span> */<a name="line.333"></a>
- <span class="sourceLineNo">334</span> private double getDisplayCentralValue() {<a name="line.334"></a>
- <span class="sourceLineNo">335</span> return mapValueToFixedRange(this.displayStart <a name="line.335"></a>
- <span class="sourceLineNo">336</span> + (getDisplayLength() / 2));<a name="line.336"></a>
- <span class="sourceLineNo">337</span> }<a name="line.337"></a>
- <span class="sourceLineNo">338</span><a name="line.338"></a>
- <span class="sourceLineNo">339</span> /**<a name="line.339"></a>
- <span class="sourceLineNo">340</span> * Increases or decreases the axis range by the specified percentage about<a name="line.340"></a>
- <span class="sourceLineNo">341</span> * the central value and sends an {@link AxisChangeEvent} to all registered<a name="line.341"></a>
- <span class="sourceLineNo">342</span> * listeners.<a name="line.342"></a>
- <span class="sourceLineNo">343</span> * <P><a name="line.343"></a>
- <span class="sourceLineNo">344</span> * To double the length of the axis range, use 200% (2.0).<a name="line.344"></a>
- <span class="sourceLineNo">345</span> * To halve the length of the axis range, use 50% (0.5).<a name="line.345"></a>
- <span class="sourceLineNo">346</span> *<a name="line.346"></a>
- <span class="sourceLineNo">347</span> * @param percent the resize factor.<a name="line.347"></a>
- <span class="sourceLineNo">348</span> */<a name="line.348"></a>
- <span class="sourceLineNo">349</span> @Override<a name="line.349"></a>
- <span class="sourceLineNo">350</span> public void resizeRange(double percent) {<a name="line.350"></a>
- <span class="sourceLineNo">351</span> resizeRange(percent, getDisplayCentralValue());<a name="line.351"></a>
- <span class="sourceLineNo">352</span> }<a name="line.352"></a>
- <span class="sourceLineNo">353</span><a name="line.353"></a>
- <span class="sourceLineNo">354</span> /**<a name="line.354"></a>
- <span class="sourceLineNo">355</span> * Increases or decreases the axis range by the specified percentage about<a name="line.355"></a>
- <span class="sourceLineNo">356</span> * the specified anchor value and sends an {@link AxisChangeEvent} to all<a name="line.356"></a>
- <span class="sourceLineNo">357</span> * registered listeners.<a name="line.357"></a>
- <span class="sourceLineNo">358</span> * <P><a name="line.358"></a>
- <span class="sourceLineNo">359</span> * To double the length of the axis range, use 200% (2.0).<a name="line.359"></a>
- <span class="sourceLineNo">360</span> * To halve the length of the axis range, use 50% (0.5).<a name="line.360"></a>
- <span class="sourceLineNo">361</span> *<a name="line.361"></a>
- <span class="sourceLineNo">362</span> * @param percent the resize factor.<a name="line.362"></a>
- <span class="sourceLineNo">363</span> * @param anchorValue the new central value after the resize.<a name="line.363"></a>
- <span class="sourceLineNo">364</span> */<a name="line.364"></a>
- <span class="sourceLineNo">365</span> @Override<a name="line.365"></a>
- <span class="sourceLineNo">366</span> public void resizeRange(double percent, double anchorValue) {<a name="line.366"></a>
- <span class="sourceLineNo">367</span><a name="line.367"></a>
- <span class="sourceLineNo">368</span> if (percent > 0.0) {<a name="line.368"></a>
- <span class="sourceLineNo">369</span> double halfLength = getDisplayLength() * percent / 2;<a name="line.369"></a>
- <span class="sourceLineNo">370</span> setDisplayRange(anchorValue - halfLength, anchorValue + halfLength);<a name="line.370"></a>
- <span class="sourceLineNo">371</span> }<a name="line.371"></a>
- <span class="sourceLineNo">372</span> else {<a name="line.372"></a>
- <span class="sourceLineNo">373</span> setAutoRange(true);<a name="line.373"></a>
- <span class="sourceLineNo">374</span> }<a name="line.374"></a>
- <span class="sourceLineNo">375</span><a name="line.375"></a>
- <span class="sourceLineNo">376</span> }<a name="line.376"></a>
- <span class="sourceLineNo">377</span><a name="line.377"></a>
- <span class="sourceLineNo">378</span> /**<a name="line.378"></a>
- <span class="sourceLineNo">379</span> * Converts a length in data coordinates into the corresponding length in<a name="line.379"></a>
- <span class="sourceLineNo">380</span> * Java2D coordinates.<a name="line.380"></a>
- <span class="sourceLineNo">381</span> *<a name="line.381"></a>
- <span class="sourceLineNo">382</span> * @param length the length.<a name="line.382"></a>
- <span class="sourceLineNo">383</span> * @param area the plot area.<a name="line.383"></a>
- <span class="sourceLineNo">384</span> * @param edge the edge along which the axis lies.<a name="line.384"></a>
- <span class="sourceLineNo">385</span> *<a name="line.385"></a>
- <span class="sourceLineNo">386</span> * @return The length in Java2D coordinates.<a name="line.386"></a>
- <span class="sourceLineNo">387</span> */<a name="line.387"></a>
- <span class="sourceLineNo">388</span> @Override<a name="line.388"></a>
- <span class="sourceLineNo">389</span> public double lengthToJava2D(double length, Rectangle2D area,<a name="line.389"></a>
- <span class="sourceLineNo">390</span> RectangleEdge edge) {<a name="line.390"></a>
- <span class="sourceLineNo">391</span> double axisLength = 0.0;<a name="line.391"></a>
- <span class="sourceLineNo">392</span> if (this.displayEnd > this.displayStart) {<a name="line.392"></a>
- <span class="sourceLineNo">393</span> axisLength = this.displayEnd - this.displayStart;<a name="line.393"></a>
- <span class="sourceLineNo">394</span> }<a name="line.394"></a>
- <span class="sourceLineNo">395</span> else {<a name="line.395"></a>
- <span class="sourceLineNo">396</span> axisLength = (this.fixedRange.getUpperBound() - this.displayStart)<a name="line.396"></a>
- <span class="sourceLineNo">397</span> + (this.displayEnd - this.fixedRange.getLowerBound());<a name="line.397"></a>
- <span class="sourceLineNo">398</span> }<a name="line.398"></a>
- <span class="sourceLineNo">399</span> double areaLength;<a name="line.399"></a>
- <span class="sourceLineNo">400</span> if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.400"></a>
- <span class="sourceLineNo">401</span> areaLength = area.getHeight();<a name="line.401"></a>
- <span class="sourceLineNo">402</span> }<a name="line.402"></a>
- <span class="sourceLineNo">403</span> else {<a name="line.403"></a>
- <span class="sourceLineNo">404</span> areaLength = area.getWidth();<a name="line.404"></a>
- <span class="sourceLineNo">405</span> }<a name="line.405"></a>
- <span class="sourceLineNo">406</span> return (length / axisLength) * areaLength;<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>
- <span class="sourceLineNo">409</span> /**<a name="line.409"></a>
- <span class="sourceLineNo">410</span> * Tests this axis for equality with an arbitrary object.<a name="line.410"></a>
- <span class="sourceLineNo">411</span> *<a name="line.411"></a>
- <span class="sourceLineNo">412</span> * @param obj the object (<code>null</code> permitted).<a name="line.412"></a>
- <span class="sourceLineNo">413</span> *<a name="line.413"></a>
- <span class="sourceLineNo">414</span> * @return A boolean.<a name="line.414"></a>
- <span class="sourceLineNo">415</span> */<a name="line.415"></a>
- <span class="sourceLineNo">416</span> @Override<a name="line.416"></a>
- <span class="sourceLineNo">417</span> public boolean equals(Object obj) {<a name="line.417"></a>
- <span class="sourceLineNo">418</span> if (obj == this) {<a name="line.418"></a>
- <span class="sourceLineNo">419</span> return true;<a name="line.419"></a>
- <span class="sourceLineNo">420</span> }<a name="line.420"></a>
- <span class="sourceLineNo">421</span> if (!(obj instanceof ModuloAxis)) {<a name="line.421"></a>
- <span class="sourceLineNo">422</span> return false;<a name="line.422"></a>
- <span class="sourceLineNo">423</span> }<a name="line.423"></a>
- <span class="sourceLineNo">424</span> ModuloAxis that = (ModuloAxis) obj;<a name="line.424"></a>
- <span class="sourceLineNo">425</span> if (this.displayStart != that.displayStart) {<a name="line.425"></a>
- <span class="sourceLineNo">426</span> return false;<a name="line.426"></a>
- <span class="sourceLineNo">427</span> }<a name="line.427"></a>
- <span class="sourceLineNo">428</span> if (this.displayEnd != that.displayEnd) {<a name="line.428"></a>
- <span class="sourceLineNo">429</span> return false;<a name="line.429"></a>
- <span class="sourceLineNo">430</span> }<a name="line.430"></a>
- <span class="sourceLineNo">431</span> if (!this.fixedRange.equals(that.fixedRange)) {<a name="line.431"></a>
- <span class="sourceLineNo">432</span> return false;<a name="line.432"></a>
- <span class="sourceLineNo">433</span> }<a name="line.433"></a>
- <span class="sourceLineNo">434</span> return super.equals(obj);<a name="line.434"></a>
- <span class="sourceLineNo">435</span> }<a name="line.435"></a>
- <span class="sourceLineNo">436</span><a name="line.436"></a>
- <span class="sourceLineNo">437</span>}<a name="line.437"></a>
- </pre>
- </div>
- </body>
- </html>
|