boxandwhiskerrenderer.html

jfreechart1。0。2的api。

<FONT color="green">138</FONT>        }<a name="line.138"></a>
<FONT color="green">139</FONT>    <a name="line.139"></a>
<FONT color="green">140</FONT>        /**<a name="line.140"></a>
<FONT color="green">141</FONT>         * Sets the paint used to color the median and average markers.<a name="line.141"></a>
<FONT color="green">142</FONT>         * <a name="line.142"></a>
<FONT color="green">143</FONT>         * @param paint  the paint.<a name="line.143"></a>
<FONT color="green">144</FONT>         */<a name="line.144"></a>
<FONT color="green">145</FONT>        public void setArtifactPaint(Paint paint) {<a name="line.145"></a>
<FONT color="green">146</FONT>            this.artifactPaint = paint;<a name="line.146"></a>
<FONT color="green">147</FONT>        }<a name="line.147"></a>
<FONT color="green">148</FONT>    <a name="line.148"></a>
<FONT color="green">149</FONT>        /**<a name="line.149"></a>
<FONT color="green">150</FONT>         * Returns the flag that controls whether or not the box is filled.<a name="line.150"></a>
<FONT color="green">151</FONT>         * <a name="line.151"></a>
<FONT color="green">152</FONT>         * @return A boolean.<a name="line.152"></a>
<FONT color="green">153</FONT>         */<a name="line.153"></a>
<FONT color="green">154</FONT>        public boolean getFillBox() {<a name="line.154"></a>
<FONT color="green">155</FONT>            return this.fillBox;   <a name="line.155"></a>
<FONT color="green">156</FONT>        }<a name="line.156"></a>
<FONT color="green">157</FONT>        <a name="line.157"></a>
<FONT color="green">158</FONT>        /**<a name="line.158"></a>
<FONT color="green">159</FONT>         * Sets the flag that controls whether or not the box is filled and sends a <a name="line.159"></a>
<FONT color="green">160</FONT>         * {@link RendererChangeEvent} to all registered listeners.<a name="line.160"></a>
<FONT color="green">161</FONT>         * <a name="line.161"></a>
<FONT color="green">162</FONT>         * @param flag  the flag.<a name="line.162"></a>
<FONT color="green">163</FONT>         */<a name="line.163"></a>
<FONT color="green">164</FONT>        public void setFillBox(boolean flag) {<a name="line.164"></a>
<FONT color="green">165</FONT>            this.fillBox = flag;<a name="line.165"></a>
<FONT color="green">166</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.166"></a>
<FONT color="green">167</FONT>        }<a name="line.167"></a>
<FONT color="green">168</FONT>    <a name="line.168"></a>
<FONT color="green">169</FONT>        /**<a name="line.169"></a>
<FONT color="green">170</FONT>         * Returns the item margin.  This is a percentage of the available space <a name="line.170"></a>
<FONT color="green">171</FONT>         * that is allocated to the space between items in the chart.<a name="line.171"></a>
<FONT color="green">172</FONT>         * <a name="line.172"></a>
<FONT color="green">173</FONT>         * @return The margin.<a name="line.173"></a>
<FONT color="green">174</FONT>         */<a name="line.174"></a>
<FONT color="green">175</FONT>        public double getItemMargin() {<a name="line.175"></a>
<FONT color="green">176</FONT>            return this.itemMargin;<a name="line.176"></a>
<FONT color="green">177</FONT>        }<a name="line.177"></a>
<FONT color="green">178</FONT>    <a name="line.178"></a>
<FONT color="green">179</FONT>        /**<a name="line.179"></a>
<FONT color="green">180</FONT>         * Sets the item margin.<a name="line.180"></a>
<FONT color="green">181</FONT>         * <a name="line.181"></a>
<FONT color="green">182</FONT>         * @param margin  the margin.<a name="line.182"></a>
<FONT color="green">183</FONT>         */<a name="line.183"></a>
<FONT color="green">184</FONT>        public void setItemMargin(double margin) {<a name="line.184"></a>
<FONT color="green">185</FONT>            this.itemMargin = margin;<a name="line.185"></a>
<FONT color="green">186</FONT>        }<a name="line.186"></a>
<FONT color="green">187</FONT>    <a name="line.187"></a>
<FONT color="green">188</FONT>        /**<a name="line.188"></a>
<FONT color="green">189</FONT>         * Returns a legend item for a series.<a name="line.189"></a>
<FONT color="green">190</FONT>         *<a name="line.190"></a>
<FONT color="green">191</FONT>         * @param datasetIndex  the dataset index (zero-based).<a name="line.191"></a>
<FONT color="green">192</FONT>         * @param series  the series index (zero-based).<a name="line.192"></a>
<FONT color="green">193</FONT>         *<a name="line.193"></a>
<FONT color="green">194</FONT>         * @return The legend item.<a name="line.194"></a>
<FONT color="green">195</FONT>         */<a name="line.195"></a>
<FONT color="green">196</FONT>        public LegendItem getLegendItem(int datasetIndex, int series) {<a name="line.196"></a>
<FONT color="green">197</FONT>    <a name="line.197"></a>
<FONT color="green">198</FONT>            CategoryPlot cp = getPlot();<a name="line.198"></a>
<FONT color="green">199</FONT>            if (cp == null) {<a name="line.199"></a>
<FONT color="green">200</FONT>                return null;<a name="line.200"></a>
<FONT color="green">201</FONT>            }<a name="line.201"></a>
<FONT color="green">202</FONT>    <a name="line.202"></a>
<FONT color="green">203</FONT>            CategoryDataset dataset;<a name="line.203"></a>
<FONT color="green">204</FONT>            dataset = cp.getDataset(datasetIndex);<a name="line.204"></a>
<FONT color="green">205</FONT>            String label = getLegendItemLabelGenerator().generateLabel(<a name="line.205"></a>
<FONT color="green">206</FONT>                dataset, series<a name="line.206"></a>
<FONT color="green">207</FONT>            );<a name="line.207"></a>
<FONT color="green">208</FONT>            String description = label;<a name="line.208"></a>
<FONT color="green">209</FONT>            String toolTipText = null; <a name="line.209"></a>
<FONT color="green">210</FONT>            if (getLegendItemToolTipGenerator() != null) {<a name="line.210"></a>
<FONT color="green">211</FONT>                toolTipText = getLegendItemToolTipGenerator().generateLabel(<a name="line.211"></a>
<FONT color="green">212</FONT>                    dataset, series<a name="line.212"></a>
<FONT color="green">213</FONT>                );   <a name="line.213"></a>
<FONT color="green">214</FONT>            }<a name="line.214"></a>
<FONT color="green">215</FONT>            String urlText = null;<a name="line.215"></a>
<FONT color="green">216</FONT>            if (getLegendItemURLGenerator() != null) {<a name="line.216"></a>
<FONT color="green">217</FONT>                urlText = getLegendItemURLGenerator().generateLabel(<a name="line.217"></a>
<FONT color="green">218</FONT>                    dataset, series<a name="line.218"></a>
<FONT color="green">219</FONT>                );   <a name="line.219"></a>
<FONT color="green">220</FONT>            }<a name="line.220"></a>
<FONT color="green">221</FONT>            Shape shape = new Rectangle2D.Double(-4.0, -4.0, 8.0, 8.0);<a name="line.221"></a>
<FONT color="green">222</FONT>            Paint paint = getSeriesPaint(series);<a name="line.222"></a>
<FONT color="green">223</FONT>            Paint outlinePaint = getSeriesOutlinePaint(series);<a name="line.223"></a>
<FONT color="green">224</FONT>            Stroke outlineStroke = getSeriesOutlineStroke(series);<a name="line.224"></a>
<FONT color="green">225</FONT>    <a name="line.225"></a>
<FONT color="green">226</FONT>            return new LegendItem(label, description, toolTipText, urlText, <a name="line.226"></a>
<FONT color="green">227</FONT>                shape, paint, outlineStroke, outlinePaint);<a name="line.227"></a>
<FONT color="green">228</FONT>    <a name="line.228"></a>
<FONT color="green">229</FONT>        }<a name="line.229"></a>
<FONT color="green">230</FONT>    <a name="line.230"></a>
<FONT color="green">231</FONT>        /**<a name="line.231"></a>
<FONT color="green">232</FONT>         * Initialises the renderer.  This method gets called once at the start of <a name="line.232"></a>
<FONT color="green">233</FONT>         * the process of drawing a chart.<a name="line.233"></a>
<FONT color="green">234</FONT>         *<a name="line.234"></a>
<FONT color="green">235</FONT>         * @param g2  the graphics device.<a name="line.235"></a>
<FONT color="green">236</FONT>         * @param dataArea  the area in which the data is to be plotted.<a name="line.236"></a>
<FONT color="green">237</FONT>         * @param plot  the plot.<a name="line.237"></a>
<FONT color="green">238</FONT>         * @param rendererIndex  the renderer index.<a name="line.238"></a>
<FONT color="green">239</FONT>         * @param info  collects chart rendering information for return to caller.<a name="line.239"></a>
<FONT color="green">240</FONT>         *<a name="line.240"></a>
<FONT color="green">241</FONT>         * @return The renderer state.<a name="line.241"></a>
<FONT color="green">242</FONT>         */<a name="line.242"></a>
<FONT color="green">243</FONT>        public CategoryItemRendererState initialise(Graphics2D g2,<a name="line.243"></a>
<FONT color="green">244</FONT>                                                    Rectangle2D dataArea,<a name="line.244"></a>
<FONT color="green">245</FONT>                                                    CategoryPlot plot,<a name="line.245"></a>
<FONT color="green">246</FONT>                                                    int rendererIndex,<a name="line.246"></a>
<FONT color="green">247</FONT>                                                    PlotRenderingInfo info) {<a name="line.247"></a>
<FONT color="green">248</FONT>    <a name="line.248"></a>
<FONT color="green">249</FONT>            CategoryItemRendererState state = super.initialise(<a name="line.249"></a>
<FONT color="green">250</FONT>                g2, dataArea, plot, rendererIndex, info<a name="line.250"></a>
<FONT color="green">251</FONT>            );<a name="line.251"></a>
<FONT color="green">252</FONT>    <a name="line.252"></a>
<FONT color="green">253</FONT>            // calculate the box width<a name="line.253"></a>
<FONT color="green">254</FONT>            CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);<a name="line.254"></a>
<FONT color="green">255</FONT>            CategoryDataset dataset = plot.getDataset(rendererIndex);<a name="line.255"></a>
<FONT color="green">256</FONT>            if (dataset != null) {<a name="line.256"></a>
<FONT color="green">257</FONT>                int columns = dataset.getColumnCount();<a name="line.257"></a>
<FONT color="green">258</FONT>                int rows = dataset.getRowCount();<a name="line.258"></a>
<FONT color="green">259</FONT>                double space = 0.0;<a name="line.259"></a>
<FONT color="green">260</FONT>                PlotOrientation orientation = plot.getOrientation();<a name="line.260"></a>
<FONT color="green">261</FONT>                if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.261"></a>
<FONT color="green">262</FONT>                    space = dataArea.getHeight();<a name="line.262"></a>
<FONT color="green">263</FONT>                }<a name="line.263"></a>
<FONT color="green">264</FONT>                else if (orientation == PlotOrientation.VERTICAL) {<a name="line.264"></a>
<FONT color="green">265</FONT>                    space = dataArea.getWidth();<a name="line.265"></a>
<FONT color="green">266</FONT>                }<a name="line.266"></a>
<FONT color="green">267</FONT>                double categoryMargin = 0.0;<a name="line.267"></a>
<FONT color="green">268</FONT>                double currentItemMargin = 0.0;<a name="line.268"></a>
<FONT color="green">269</FONT>                if (columns &gt; 1) {<a name="line.269"></a>
<FONT color="green">270</FONT>                    categoryMargin = domainAxis.getCategoryMargin();<a name="line.270"></a>
<FONT color="green">271</FONT>                }<a name="line.271"></a>
<FONT color="green">272</FONT>                if (rows &gt; 1) {<a name="line.272"></a>
<FONT color="green">273</FONT>                    currentItemMargin = getItemMargin();<a name="line.273"></a>
<FONT color="green">274</FONT>                }<a name="line.274"></a>
<FONT color="green">275</FONT>                double used = space * (1 - domainAxis.getLowerMargin() <a name="line.275"></a>
<FONT color="green">276</FONT>                                         - domainAxis.getUpperMargin()<a name="line.276"></a>
<FONT color="green">277</FONT>                                         - categoryMargin - currentItemMargin);<a name="line.277"></a>