XYImageAnnotation.html 29 KB

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  9. <pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
  10. <span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
  11. <span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
  12. <span class="sourceLineNo">004</span> *<a name="line.4"></a>
  13. <span class="sourceLineNo">005</span> * (C) Copyright 2000-2013, by Object Refinery Limited and Contributors.<a name="line.5"></a>
  14. <span class="sourceLineNo">006</span> *<a name="line.6"></a>
  15. <span class="sourceLineNo">007</span> * Project Info: http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
  16. <span class="sourceLineNo">008</span> *<a name="line.8"></a>
  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. <span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
  19. <span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
  20. <span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
  21. <span class="sourceLineNo">013</span> *<a name="line.13"></a>
  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. <span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
  24. <span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
  25. <span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
  26. <span class="sourceLineNo">018</span> *<a name="line.18"></a>
  27. <span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
  28. <span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
  29. <span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,<a name="line.21"></a>
  30. <span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
  31. <span class="sourceLineNo">023</span> *<a name="line.23"></a>
  32. <span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
  33. <span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
  34. <span class="sourceLineNo">026</span> *<a name="line.26"></a>
  35. <span class="sourceLineNo">027</span> * ----------------------<a name="line.27"></a>
  36. <span class="sourceLineNo">028</span> * XYImageAnnotation.java<a name="line.28"></a>
  37. <span class="sourceLineNo">029</span> * ----------------------<a name="line.29"></a>
  38. <span class="sourceLineNo">030</span> * (C) Copyright 2003-2013, by Object Refinery Limited and Contributors.<a name="line.30"></a>
  39. <span class="sourceLineNo">031</span> *<a name="line.31"></a>
  40. <span class="sourceLineNo">032</span> * Original Author: David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
  41. <span class="sourceLineNo">033</span> * Contributor(s): Mike Harris;<a name="line.33"></a>
  42. <span class="sourceLineNo">034</span> * Peter Kolb (patch 2809117);<a name="line.34"></a>
  43. <span class="sourceLineNo">035</span> *<a name="line.35"></a>
  44. <span class="sourceLineNo">036</span> * Changes:<a name="line.36"></a>
  45. <span class="sourceLineNo">037</span> * --------<a name="line.37"></a>
  46. <span class="sourceLineNo">038</span> * 01-Dec-2003 : Version 1 (DG);<a name="line.38"></a>
  47. <span class="sourceLineNo">039</span> * 21-Jan-2004 : Update for renamed method in ValueAxis (DG);<a name="line.39"></a>
  48. <span class="sourceLineNo">040</span> * 18-May-2004 : Fixed bug with plot orientation (DG);<a name="line.40"></a>
  49. <span class="sourceLineNo">041</span> * 29-Sep-2004 : Now extends AbstractXYAnnotation, with modified draw()<a name="line.41"></a>
  50. <span class="sourceLineNo">042</span> * method signature and updated equals() method (DG);<a name="line.42"></a>
  51. <span class="sourceLineNo">043</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.43"></a>
  52. <span class="sourceLineNo">044</span> * 01-Dec-2006 : Added anchor attribute (see patch 1584860 from<a name="line.44"></a>
  53. <span class="sourceLineNo">045</span> * Mike Harris) (DG);<a name="line.45"></a>
  54. <span class="sourceLineNo">046</span> * 02-Jul-2013 : Use ParamChecks (DG);<a name="line.46"></a>
  55. <span class="sourceLineNo">047</span> *<a name="line.47"></a>
  56. <span class="sourceLineNo">048</span> */<a name="line.48"></a>
  57. <span class="sourceLineNo">049</span><a name="line.49"></a>
  58. <span class="sourceLineNo">050</span>package org.jfree.chart.annotations;<a name="line.50"></a>
  59. <span class="sourceLineNo">051</span><a name="line.51"></a>
  60. <span class="sourceLineNo">052</span>import java.awt.Graphics2D;<a name="line.52"></a>
  61. <span class="sourceLineNo">053</span>import java.awt.Image;<a name="line.53"></a>
  62. <span class="sourceLineNo">054</span>import java.awt.geom.Point2D;<a name="line.54"></a>
  63. <span class="sourceLineNo">055</span>import java.awt.geom.Rectangle2D;<a name="line.55"></a>
  64. <span class="sourceLineNo">056</span>import java.io.IOException;<a name="line.56"></a>
  65. <span class="sourceLineNo">057</span>import java.io.ObjectInputStream;<a name="line.57"></a>
  66. <span class="sourceLineNo">058</span>import java.io.ObjectOutputStream;<a name="line.58"></a>
  67. <span class="sourceLineNo">059</span>import java.io.Serializable;<a name="line.59"></a>
  68. <span class="sourceLineNo">060</span><a name="line.60"></a>
  69. <span class="sourceLineNo">061</span>import org.jfree.chart.axis.AxisLocation;<a name="line.61"></a>
  70. <span class="sourceLineNo">062</span>import org.jfree.chart.axis.ValueAxis;<a name="line.62"></a>
  71. <span class="sourceLineNo">063</span>import org.jfree.chart.plot.Plot;<a name="line.63"></a>
  72. <span class="sourceLineNo">064</span>import org.jfree.chart.plot.PlotOrientation;<a name="line.64"></a>
  73. <span class="sourceLineNo">065</span>import org.jfree.chart.plot.PlotRenderingInfo;<a name="line.65"></a>
  74. <span class="sourceLineNo">066</span>import org.jfree.chart.plot.XYPlot;<a name="line.66"></a>
  75. <span class="sourceLineNo">067</span>import org.jfree.chart.util.ParamChecks;<a name="line.67"></a>
  76. <span class="sourceLineNo">068</span>import org.jfree.ui.RectangleAnchor;<a name="line.68"></a>
  77. <span class="sourceLineNo">069</span>import org.jfree.ui.RectangleEdge;<a name="line.69"></a>
  78. <span class="sourceLineNo">070</span>import org.jfree.util.ObjectUtilities;<a name="line.70"></a>
  79. <span class="sourceLineNo">071</span>import org.jfree.util.PublicCloneable;<a name="line.71"></a>
  80. <span class="sourceLineNo">072</span><a name="line.72"></a>
  81. <span class="sourceLineNo">073</span>/**<a name="line.73"></a>
  82. <span class="sourceLineNo">074</span> * An annotation that allows an image to be placed at some location on<a name="line.74"></a>
  83. <span class="sourceLineNo">075</span> * an {@link XYPlot}.<a name="line.75"></a>
  84. <span class="sourceLineNo">076</span> *<a name="line.76"></a>
  85. <span class="sourceLineNo">077</span> * TODO: implement serialization properly (image is not serializable).<a name="line.77"></a>
  86. <span class="sourceLineNo">078</span> */<a name="line.78"></a>
  87. <span class="sourceLineNo">079</span>public class XYImageAnnotation extends AbstractXYAnnotation<a name="line.79"></a>
  88. <span class="sourceLineNo">080</span> implements Cloneable, PublicCloneable, Serializable {<a name="line.80"></a>
  89. <span class="sourceLineNo">081</span><a name="line.81"></a>
  90. <span class="sourceLineNo">082</span> /** For serialization. */<a name="line.82"></a>
  91. <span class="sourceLineNo">083</span> private static final long serialVersionUID = -4364694501921559958L;<a name="line.83"></a>
  92. <span class="sourceLineNo">084</span><a name="line.84"></a>
  93. <span class="sourceLineNo">085</span> /** The x-coordinate (in data space). */<a name="line.85"></a>
  94. <span class="sourceLineNo">086</span> private double x;<a name="line.86"></a>
  95. <span class="sourceLineNo">087</span><a name="line.87"></a>
  96. <span class="sourceLineNo">088</span> /** The y-coordinate (in data space). */<a name="line.88"></a>
  97. <span class="sourceLineNo">089</span> private double y;<a name="line.89"></a>
  98. <span class="sourceLineNo">090</span><a name="line.90"></a>
  99. <span class="sourceLineNo">091</span> /** The image. */<a name="line.91"></a>
  100. <span class="sourceLineNo">092</span> private transient Image image;<a name="line.92"></a>
  101. <span class="sourceLineNo">093</span><a name="line.93"></a>
  102. <span class="sourceLineNo">094</span> /**<a name="line.94"></a>
  103. <span class="sourceLineNo">095</span> * The image anchor point.<a name="line.95"></a>
  104. <span class="sourceLineNo">096</span> *<a name="line.96"></a>
  105. <span class="sourceLineNo">097</span> * @since 1.0.4<a name="line.97"></a>
  106. <span class="sourceLineNo">098</span> */<a name="line.98"></a>
  107. <span class="sourceLineNo">099</span> private RectangleAnchor anchor;<a name="line.99"></a>
  108. <span class="sourceLineNo">100</span><a name="line.100"></a>
  109. <span class="sourceLineNo">101</span> /**<a name="line.101"></a>
  110. <span class="sourceLineNo">102</span> * Creates a new annotation to be displayed at the specified (x, y)<a name="line.102"></a>
  111. <span class="sourceLineNo">103</span> * location.<a name="line.103"></a>
  112. <span class="sourceLineNo">104</span> *<a name="line.104"></a>
  113. <span class="sourceLineNo">105</span> * @param x the x-coordinate (in data space).<a name="line.105"></a>
  114. <span class="sourceLineNo">106</span> * @param y the y-coordinate (in data space).<a name="line.106"></a>
  115. <span class="sourceLineNo">107</span> * @param image the image (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.107"></a>
  116. <span class="sourceLineNo">108</span> */<a name="line.108"></a>
  117. <span class="sourceLineNo">109</span> public XYImageAnnotation(double x, double y, Image image) {<a name="line.109"></a>
  118. <span class="sourceLineNo">110</span> this(x, y, image, RectangleAnchor.CENTER);<a name="line.110"></a>
  119. <span class="sourceLineNo">111</span> }<a name="line.111"></a>
  120. <span class="sourceLineNo">112</span><a name="line.112"></a>
  121. <span class="sourceLineNo">113</span> /**<a name="line.113"></a>
  122. <span class="sourceLineNo">114</span> * Creates a new annotation to be displayed at the specified (x, y)<a name="line.114"></a>
  123. <span class="sourceLineNo">115</span> * location.<a name="line.115"></a>
  124. <span class="sourceLineNo">116</span> *<a name="line.116"></a>
  125. <span class="sourceLineNo">117</span> * @param x the x-coordinate (in data space).<a name="line.117"></a>
  126. <span class="sourceLineNo">118</span> * @param y the y-coordinate (in data space).<a name="line.118"></a>
  127. <span class="sourceLineNo">119</span> * @param image the image (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.119"></a>
  128. <span class="sourceLineNo">120</span> * @param anchor the image anchor (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.120"></a>
  129. <span class="sourceLineNo">121</span> *<a name="line.121"></a>
  130. <span class="sourceLineNo">122</span> * @since 1.0.4<a name="line.122"></a>
  131. <span class="sourceLineNo">123</span> */<a name="line.123"></a>
  132. <span class="sourceLineNo">124</span> public XYImageAnnotation(double x, double y, Image image,<a name="line.124"></a>
  133. <span class="sourceLineNo">125</span> RectangleAnchor anchor) {<a name="line.125"></a>
  134. <span class="sourceLineNo">126</span> super();<a name="line.126"></a>
  135. <span class="sourceLineNo">127</span> ParamChecks.nullNotPermitted(image, "image");<a name="line.127"></a>
  136. <span class="sourceLineNo">128</span> ParamChecks.nullNotPermitted(anchor, "anchor");<a name="line.128"></a>
  137. <span class="sourceLineNo">129</span> this.x = x;<a name="line.129"></a>
  138. <span class="sourceLineNo">130</span> this.y = y;<a name="line.130"></a>
  139. <span class="sourceLineNo">131</span> this.image = image;<a name="line.131"></a>
  140. <span class="sourceLineNo">132</span> this.anchor = anchor;<a name="line.132"></a>
  141. <span class="sourceLineNo">133</span> }<a name="line.133"></a>
  142. <span class="sourceLineNo">134</span><a name="line.134"></a>
  143. <span class="sourceLineNo">135</span> /**<a name="line.135"></a>
  144. <span class="sourceLineNo">136</span> * Returns the x-coordinate (in data space) for the annotation.<a name="line.136"></a>
  145. <span class="sourceLineNo">137</span> *<a name="line.137"></a>
  146. <span class="sourceLineNo">138</span> * @return The x-coordinate.<a name="line.138"></a>
  147. <span class="sourceLineNo">139</span> *<a name="line.139"></a>
  148. <span class="sourceLineNo">140</span> * @since 1.0.4<a name="line.140"></a>
  149. <span class="sourceLineNo">141</span> */<a name="line.141"></a>
  150. <span class="sourceLineNo">142</span> public double getX() {<a name="line.142"></a>
  151. <span class="sourceLineNo">143</span> return this.x;<a name="line.143"></a>
  152. <span class="sourceLineNo">144</span> }<a name="line.144"></a>
  153. <span class="sourceLineNo">145</span><a name="line.145"></a>
  154. <span class="sourceLineNo">146</span> /**<a name="line.146"></a>
  155. <span class="sourceLineNo">147</span> * Returns the y-coordinate (in data space) for the annotation.<a name="line.147"></a>
  156. <span class="sourceLineNo">148</span> *<a name="line.148"></a>
  157. <span class="sourceLineNo">149</span> * @return The y-coordinate.<a name="line.149"></a>
  158. <span class="sourceLineNo">150</span> *<a name="line.150"></a>
  159. <span class="sourceLineNo">151</span> * @since 1.0.4<a name="line.151"></a>
  160. <span class="sourceLineNo">152</span> */<a name="line.152"></a>
  161. <span class="sourceLineNo">153</span> public double getY() {<a name="line.153"></a>
  162. <span class="sourceLineNo">154</span> return this.y;<a name="line.154"></a>
  163. <span class="sourceLineNo">155</span> }<a name="line.155"></a>
  164. <span class="sourceLineNo">156</span><a name="line.156"></a>
  165. <span class="sourceLineNo">157</span> /**<a name="line.157"></a>
  166. <span class="sourceLineNo">158</span> * Returns the image for the annotation.<a name="line.158"></a>
  167. <span class="sourceLineNo">159</span> *<a name="line.159"></a>
  168. <span class="sourceLineNo">160</span> * @return The image.<a name="line.160"></a>
  169. <span class="sourceLineNo">161</span> *<a name="line.161"></a>
  170. <span class="sourceLineNo">162</span> * @since 1.0.4<a name="line.162"></a>
  171. <span class="sourceLineNo">163</span> */<a name="line.163"></a>
  172. <span class="sourceLineNo">164</span> public Image getImage() {<a name="line.164"></a>
  173. <span class="sourceLineNo">165</span> return this.image;<a name="line.165"></a>
  174. <span class="sourceLineNo">166</span> }<a name="line.166"></a>
  175. <span class="sourceLineNo">167</span><a name="line.167"></a>
  176. <span class="sourceLineNo">168</span> /**<a name="line.168"></a>
  177. <span class="sourceLineNo">169</span> * Returns the image anchor for the annotation.<a name="line.169"></a>
  178. <span class="sourceLineNo">170</span> *<a name="line.170"></a>
  179. <span class="sourceLineNo">171</span> * @return The image anchor.<a name="line.171"></a>
  180. <span class="sourceLineNo">172</span> *<a name="line.172"></a>
  181. <span class="sourceLineNo">173</span> * @since 1.0.4<a name="line.173"></a>
  182. <span class="sourceLineNo">174</span> */<a name="line.174"></a>
  183. <span class="sourceLineNo">175</span> public RectangleAnchor getImageAnchor() {<a name="line.175"></a>
  184. <span class="sourceLineNo">176</span> return this.anchor;<a name="line.176"></a>
  185. <span class="sourceLineNo">177</span> }<a name="line.177"></a>
  186. <span class="sourceLineNo">178</span><a name="line.178"></a>
  187. <span class="sourceLineNo">179</span> /**<a name="line.179"></a>
  188. <span class="sourceLineNo">180</span> * Draws the annotation. This method is called by the drawing code in the<a name="line.180"></a>
  189. <span class="sourceLineNo">181</span> * {@link XYPlot} class, you don't normally need to call this method<a name="line.181"></a>
  190. <span class="sourceLineNo">182</span> * directly.<a name="line.182"></a>
  191. <span class="sourceLineNo">183</span> *<a name="line.183"></a>
  192. <span class="sourceLineNo">184</span> * @param g2 the graphics device.<a name="line.184"></a>
  193. <span class="sourceLineNo">185</span> * @param plot the plot.<a name="line.185"></a>
  194. <span class="sourceLineNo">186</span> * @param dataArea the data area.<a name="line.186"></a>
  195. <span class="sourceLineNo">187</span> * @param domainAxis the domain axis.<a name="line.187"></a>
  196. <span class="sourceLineNo">188</span> * @param rangeAxis the range axis.<a name="line.188"></a>
  197. <span class="sourceLineNo">189</span> * @param rendererIndex the renderer index.<a name="line.189"></a>
  198. <span class="sourceLineNo">190</span> * @param info if supplied, this info object will be populated with<a name="line.190"></a>
  199. <span class="sourceLineNo">191</span> * entity information.<a name="line.191"></a>
  200. <span class="sourceLineNo">192</span> */<a name="line.192"></a>
  201. <span class="sourceLineNo">193</span> @Override<a name="line.193"></a>
  202. <span class="sourceLineNo">194</span> public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea,<a name="line.194"></a>
  203. <span class="sourceLineNo">195</span> ValueAxis domainAxis, ValueAxis rangeAxis,<a name="line.195"></a>
  204. <span class="sourceLineNo">196</span> int rendererIndex,<a name="line.196"></a>
  205. <span class="sourceLineNo">197</span> PlotRenderingInfo info) {<a name="line.197"></a>
  206. <span class="sourceLineNo">198</span><a name="line.198"></a>
  207. <span class="sourceLineNo">199</span> PlotOrientation orientation = plot.getOrientation();<a name="line.199"></a>
  208. <span class="sourceLineNo">200</span> AxisLocation domainAxisLocation = plot.getDomainAxisLocation();<a name="line.200"></a>
  209. <span class="sourceLineNo">201</span> AxisLocation rangeAxisLocation = plot.getRangeAxisLocation();<a name="line.201"></a>
  210. <span class="sourceLineNo">202</span> RectangleEdge domainEdge<a name="line.202"></a>
  211. <span class="sourceLineNo">203</span> = Plot.resolveDomainAxisLocation(domainAxisLocation, orientation);<a name="line.203"></a>
  212. <span class="sourceLineNo">204</span> RectangleEdge rangeEdge<a name="line.204"></a>
  213. <span class="sourceLineNo">205</span> = Plot.resolveRangeAxisLocation(rangeAxisLocation, orientation);<a name="line.205"></a>
  214. <span class="sourceLineNo">206</span> float j2DX<a name="line.206"></a>
  215. <span class="sourceLineNo">207</span> = (float) domainAxis.valueToJava2D(this.x, dataArea, domainEdge);<a name="line.207"></a>
  216. <span class="sourceLineNo">208</span> float j2DY<a name="line.208"></a>
  217. <span class="sourceLineNo">209</span> = (float) rangeAxis.valueToJava2D(this.y, dataArea, rangeEdge);<a name="line.209"></a>
  218. <span class="sourceLineNo">210</span> float xx = 0.0f;<a name="line.210"></a>
  219. <span class="sourceLineNo">211</span> float yy = 0.0f;<a name="line.211"></a>
  220. <span class="sourceLineNo">212</span> if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.212"></a>
  221. <span class="sourceLineNo">213</span> xx = j2DY;<a name="line.213"></a>
  222. <span class="sourceLineNo">214</span> yy = j2DX;<a name="line.214"></a>
  223. <span class="sourceLineNo">215</span> }<a name="line.215"></a>
  224. <span class="sourceLineNo">216</span> else if (orientation == PlotOrientation.VERTICAL) {<a name="line.216"></a>
  225. <span class="sourceLineNo">217</span> xx = j2DX;<a name="line.217"></a>
  226. <span class="sourceLineNo">218</span> yy = j2DY;<a name="line.218"></a>
  227. <span class="sourceLineNo">219</span> }<a name="line.219"></a>
  228. <span class="sourceLineNo">220</span> int w = this.image.getWidth(null);<a name="line.220"></a>
  229. <span class="sourceLineNo">221</span> int h = this.image.getHeight(null);<a name="line.221"></a>
  230. <span class="sourceLineNo">222</span><a name="line.222"></a>
  231. <span class="sourceLineNo">223</span> Rectangle2D imageRect = new Rectangle2D.Double(0, 0, w, h);<a name="line.223"></a>
  232. <span class="sourceLineNo">224</span> Point2D anchorPoint = RectangleAnchor.coordinates(imageRect,<a name="line.224"></a>
  233. <span class="sourceLineNo">225</span> this.anchor);<a name="line.225"></a>
  234. <span class="sourceLineNo">226</span> xx = xx - (float) anchorPoint.getX();<a name="line.226"></a>
  235. <span class="sourceLineNo">227</span> yy = yy - (float) anchorPoint.getY();<a name="line.227"></a>
  236. <span class="sourceLineNo">228</span> g2.drawImage(this.image, (int) xx, (int) yy, null);<a name="line.228"></a>
  237. <span class="sourceLineNo">229</span><a name="line.229"></a>
  238. <span class="sourceLineNo">230</span> String toolTip = getToolTipText();<a name="line.230"></a>
  239. <span class="sourceLineNo">231</span> String url = getURL();<a name="line.231"></a>
  240. <span class="sourceLineNo">232</span> if (toolTip != null || url != null) {<a name="line.232"></a>
  241. <span class="sourceLineNo">233</span> addEntity(info, new Rectangle2D.Float(xx, yy, w, h), rendererIndex,<a name="line.233"></a>
  242. <span class="sourceLineNo">234</span> toolTip, url);<a name="line.234"></a>
  243. <span class="sourceLineNo">235</span> }<a name="line.235"></a>
  244. <span class="sourceLineNo">236</span> }<a name="line.236"></a>
  245. <span class="sourceLineNo">237</span><a name="line.237"></a>
  246. <span class="sourceLineNo">238</span> /**<a name="line.238"></a>
  247. <span class="sourceLineNo">239</span> * Tests this object for equality with an arbitrary object.<a name="line.239"></a>
  248. <span class="sourceLineNo">240</span> *<a name="line.240"></a>
  249. <span class="sourceLineNo">241</span> * @param obj the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.241"></a>
  250. <span class="sourceLineNo">242</span> *<a name="line.242"></a>
  251. <span class="sourceLineNo">243</span> * @return A boolean.<a name="line.243"></a>
  252. <span class="sourceLineNo">244</span> */<a name="line.244"></a>
  253. <span class="sourceLineNo">245</span> @Override<a name="line.245"></a>
  254. <span class="sourceLineNo">246</span> public boolean equals(Object obj) {<a name="line.246"></a>
  255. <span class="sourceLineNo">247</span> if (obj == this) {<a name="line.247"></a>
  256. <span class="sourceLineNo">248</span> return true;<a name="line.248"></a>
  257. <span class="sourceLineNo">249</span> }<a name="line.249"></a>
  258. <span class="sourceLineNo">250</span> // now try to reject equality...<a name="line.250"></a>
  259. <span class="sourceLineNo">251</span> if (!super.equals(obj)) {<a name="line.251"></a>
  260. <span class="sourceLineNo">252</span> return false;<a name="line.252"></a>
  261. <span class="sourceLineNo">253</span> }<a name="line.253"></a>
  262. <span class="sourceLineNo">254</span> if (!(obj instanceof XYImageAnnotation)) {<a name="line.254"></a>
  263. <span class="sourceLineNo">255</span> return false;<a name="line.255"></a>
  264. <span class="sourceLineNo">256</span> }<a name="line.256"></a>
  265. <span class="sourceLineNo">257</span> XYImageAnnotation that = (XYImageAnnotation) obj;<a name="line.257"></a>
  266. <span class="sourceLineNo">258</span> if (this.x != that.x) {<a name="line.258"></a>
  267. <span class="sourceLineNo">259</span> return false;<a name="line.259"></a>
  268. <span class="sourceLineNo">260</span> }<a name="line.260"></a>
  269. <span class="sourceLineNo">261</span> if (this.y != that.y) {<a name="line.261"></a>
  270. <span class="sourceLineNo">262</span> return false;<a name="line.262"></a>
  271. <span class="sourceLineNo">263</span> }<a name="line.263"></a>
  272. <span class="sourceLineNo">264</span> if (!ObjectUtilities.equal(this.image, that.image)) {<a name="line.264"></a>
  273. <span class="sourceLineNo">265</span> return false;<a name="line.265"></a>
  274. <span class="sourceLineNo">266</span> }<a name="line.266"></a>
  275. <span class="sourceLineNo">267</span> if (!this.anchor.equals(that.anchor)) {<a name="line.267"></a>
  276. <span class="sourceLineNo">268</span> return false;<a name="line.268"></a>
  277. <span class="sourceLineNo">269</span> }<a name="line.269"></a>
  278. <span class="sourceLineNo">270</span> // seems to be the same...<a name="line.270"></a>
  279. <span class="sourceLineNo">271</span> return true;<a name="line.271"></a>
  280. <span class="sourceLineNo">272</span> }<a name="line.272"></a>
  281. <span class="sourceLineNo">273</span><a name="line.273"></a>
  282. <span class="sourceLineNo">274</span> /**<a name="line.274"></a>
  283. <span class="sourceLineNo">275</span> * Returns a hash code for this object.<a name="line.275"></a>
  284. <span class="sourceLineNo">276</span> *<a name="line.276"></a>
  285. <span class="sourceLineNo">277</span> * @return A hash code.<a name="line.277"></a>
  286. <span class="sourceLineNo">278</span> */<a name="line.278"></a>
  287. <span class="sourceLineNo">279</span> @Override<a name="line.279"></a>
  288. <span class="sourceLineNo">280</span> public int hashCode() {<a name="line.280"></a>
  289. <span class="sourceLineNo">281</span> return this.image.hashCode();<a name="line.281"></a>
  290. <span class="sourceLineNo">282</span> }<a name="line.282"></a>
  291. <span class="sourceLineNo">283</span><a name="line.283"></a>
  292. <span class="sourceLineNo">284</span> /**<a name="line.284"></a>
  293. <span class="sourceLineNo">285</span> * Returns a clone of the annotation.<a name="line.285"></a>
  294. <span class="sourceLineNo">286</span> *<a name="line.286"></a>
  295. <span class="sourceLineNo">287</span> * @return A clone.<a name="line.287"></a>
  296. <span class="sourceLineNo">288</span> *<a name="line.288"></a>
  297. <span class="sourceLineNo">289</span> * @throws CloneNotSupportedException if the annotation can't be cloned.<a name="line.289"></a>
  298. <span class="sourceLineNo">290</span> */<a name="line.290"></a>
  299. <span class="sourceLineNo">291</span> @Override<a name="line.291"></a>
  300. <span class="sourceLineNo">292</span> public Object clone() throws CloneNotSupportedException {<a name="line.292"></a>
  301. <span class="sourceLineNo">293</span> return super.clone();<a name="line.293"></a>
  302. <span class="sourceLineNo">294</span> }<a name="line.294"></a>
  303. <span class="sourceLineNo">295</span><a name="line.295"></a>
  304. <span class="sourceLineNo">296</span> /**<a name="line.296"></a>
  305. <span class="sourceLineNo">297</span> * Provides serialization support.<a name="line.297"></a>
  306. <span class="sourceLineNo">298</span> *<a name="line.298"></a>
  307. <span class="sourceLineNo">299</span> * @param stream the output stream.<a name="line.299"></a>
  308. <span class="sourceLineNo">300</span> *<a name="line.300"></a>
  309. <span class="sourceLineNo">301</span> * @throws IOException if there is an I/O error.<a name="line.301"></a>
  310. <span class="sourceLineNo">302</span> */<a name="line.302"></a>
  311. <span class="sourceLineNo">303</span> private void writeObject(ObjectOutputStream stream) throws IOException {<a name="line.303"></a>
  312. <span class="sourceLineNo">304</span> stream.defaultWriteObject();<a name="line.304"></a>
  313. <span class="sourceLineNo">305</span> //SerialUtilities.writeImage(this.image, stream);<a name="line.305"></a>
  314. <span class="sourceLineNo">306</span> }<a name="line.306"></a>
  315. <span class="sourceLineNo">307</span><a name="line.307"></a>
  316. <span class="sourceLineNo">308</span> /**<a name="line.308"></a>
  317. <span class="sourceLineNo">309</span> * Provides serialization support.<a name="line.309"></a>
  318. <span class="sourceLineNo">310</span> *<a name="line.310"></a>
  319. <span class="sourceLineNo">311</span> * @param stream the input stream.<a name="line.311"></a>
  320. <span class="sourceLineNo">312</span> *<a name="line.312"></a>
  321. <span class="sourceLineNo">313</span> * @throws IOException if there is an I/O error.<a name="line.313"></a>
  322. <span class="sourceLineNo">314</span> * @throws ClassNotFoundException if there is a classpath problem.<a name="line.314"></a>
  323. <span class="sourceLineNo">315</span> */<a name="line.315"></a>
  324. <span class="sourceLineNo">316</span> private void readObject(ObjectInputStream stream)<a name="line.316"></a>
  325. <span class="sourceLineNo">317</span> throws IOException, ClassNotFoundException {<a name="line.317"></a>
  326. <span class="sourceLineNo">318</span> stream.defaultReadObject();<a name="line.318"></a>
  327. <span class="sourceLineNo">319</span> //this.image = SerialUtilities.readImage(stream);<a name="line.319"></a>
  328. <span class="sourceLineNo">320</span> }<a name="line.320"></a>
  329. <span class="sourceLineNo">321</span><a name="line.321"></a>
  330. <span class="sourceLineNo">322</span><a name="line.322"></a>
  331. <span class="sourceLineNo">323</span>}<a name="line.323"></a>
  332. </pre>
  333. </div>
  334. </body>
  335. </html>