xydotrenderer.html

jfreechart1。0。2的api。

<FONT color="green">162</FONT>         * @param state  the renderer state.<a name="line.162"></a>
<FONT color="green">163</FONT>         * @param dataArea  the area within which the data is being drawn.<a name="line.163"></a>
<FONT color="green">164</FONT>         * @param info  collects information about the drawing.<a name="line.164"></a>
<FONT color="green">165</FONT>         * @param plot  the plot (can be used to obtain standard color <a name="line.165"></a>
<FONT color="green">166</FONT>         *              information etc).<a name="line.166"></a>
<FONT color="green">167</FONT>         * @param domainAxis  the domain (horizontal) axis.<a name="line.167"></a>
<FONT color="green">168</FONT>         * @param rangeAxis  the range (vertical) axis.<a name="line.168"></a>
<FONT color="green">169</FONT>         * @param dataset  the dataset.<a name="line.169"></a>
<FONT color="green">170</FONT>         * @param series  the series index (zero-based).<a name="line.170"></a>
<FONT color="green">171</FONT>         * @param item  the item index (zero-based).<a name="line.171"></a>
<FONT color="green">172</FONT>         * @param crosshairState  crosshair information for the plot <a name="line.172"></a>
<FONT color="green">173</FONT>         *                        (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.173"></a>
<FONT color="green">174</FONT>         * @param pass  the pass index.<a name="line.174"></a>
<FONT color="green">175</FONT>         */<a name="line.175"></a>
<FONT color="green">176</FONT>        public void drawItem(Graphics2D g2,<a name="line.176"></a>
<FONT color="green">177</FONT>                             XYItemRendererState state,<a name="line.177"></a>
<FONT color="green">178</FONT>                             Rectangle2D dataArea,<a name="line.178"></a>
<FONT color="green">179</FONT>                             PlotRenderingInfo info,<a name="line.179"></a>
<FONT color="green">180</FONT>                             XYPlot plot,<a name="line.180"></a>
<FONT color="green">181</FONT>                             ValueAxis domainAxis,<a name="line.181"></a>
<FONT color="green">182</FONT>                             ValueAxis rangeAxis,<a name="line.182"></a>
<FONT color="green">183</FONT>                             XYDataset dataset,<a name="line.183"></a>
<FONT color="green">184</FONT>                             int series,<a name="line.184"></a>
<FONT color="green">185</FONT>                             int item,<a name="line.185"></a>
<FONT color="green">186</FONT>                             CrosshairState crosshairState,<a name="line.186"></a>
<FONT color="green">187</FONT>                             int pass) {<a name="line.187"></a>
<FONT color="green">188</FONT>    <a name="line.188"></a>
<FONT color="green">189</FONT>            // get the data point...<a name="line.189"></a>
<FONT color="green">190</FONT>            double x = dataset.getXValue(series, item);<a name="line.190"></a>
<FONT color="green">191</FONT>            double y = dataset.getYValue(series, item);<a name="line.191"></a>
<FONT color="green">192</FONT>            double adjx = (this.dotWidth - 1) / 2.0;<a name="line.192"></a>
<FONT color="green">193</FONT>            double adjy = (this.dotHeight - 1) / 2.0;<a name="line.193"></a>
<FONT color="green">194</FONT>            if (!Double.isNaN(y)) {<a name="line.194"></a>
<FONT color="green">195</FONT>                RectangleEdge xAxisLocation = plot.getDomainAxisEdge();<a name="line.195"></a>
<FONT color="green">196</FONT>                RectangleEdge yAxisLocation = plot.getRangeAxisEdge();<a name="line.196"></a>
<FONT color="green">197</FONT>                double transX = domainAxis.valueToJava2D(x, dataArea, <a name="line.197"></a>
<FONT color="green">198</FONT>                        xAxisLocation) - adjx;<a name="line.198"></a>
<FONT color="green">199</FONT>                double transY = rangeAxis.valueToJava2D(y, dataArea, yAxisLocation) <a name="line.199"></a>
<FONT color="green">200</FONT>                        - adjy;<a name="line.200"></a>
<FONT color="green">201</FONT>    <a name="line.201"></a>
<FONT color="green">202</FONT>                g2.setPaint(getItemPaint(series, item));<a name="line.202"></a>
<FONT color="green">203</FONT>                PlotOrientation orientation = plot.getOrientation();<a name="line.203"></a>
<FONT color="green">204</FONT>                if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.204"></a>
<FONT color="green">205</FONT>                    g2.fillRect((int) transY, (int) transX, this.dotHeight, <a name="line.205"></a>
<FONT color="green">206</FONT>                            this.dotWidth);<a name="line.206"></a>
<FONT color="green">207</FONT>                }<a name="line.207"></a>
<FONT color="green">208</FONT>                else if (orientation == PlotOrientation.VERTICAL) {<a name="line.208"></a>
<FONT color="green">209</FONT>                    g2.fillRect((int) transX, (int) transY, this.dotWidth, <a name="line.209"></a>
<FONT color="green">210</FONT>                            this.dotHeight);<a name="line.210"></a>
<FONT color="green">211</FONT>                }<a name="line.211"></a>
<FONT color="green">212</FONT>    <a name="line.212"></a>
<FONT color="green">213</FONT>                updateCrosshairValues(crosshairState, x, y, transX, transY, <a name="line.213"></a>
<FONT color="green">214</FONT>                        orientation);<a name="line.214"></a>
<FONT color="green">215</FONT>            }<a name="line.215"></a>
<FONT color="green">216</FONT>    <a name="line.216"></a>
<FONT color="green">217</FONT>        }<a name="line.217"></a>
<FONT color="green">218</FONT>    <a name="line.218"></a>
<FONT color="green">219</FONT>        /**<a name="line.219"></a>
<FONT color="green">220</FONT>         * Tests this renderer for equality with an arbitrary object.  This method<a name="line.220"></a>
<FONT color="green">221</FONT>         * returns &lt;code&gt;true&lt;/code&gt; if and only if:<a name="line.221"></a>
<FONT color="green">222</FONT>         * <a name="line.222"></a>
<FONT color="green">223</FONT>         * &lt;ul&gt;<a name="line.223"></a>
<FONT color="green">224</FONT>         * &lt;li&gt;&lt;code&gt;obj&lt;/code&gt; is not &lt;code&gt;null&lt;/code&gt;;&lt;/li&gt;<a name="line.224"></a>
<FONT color="green">225</FONT>         * &lt;li&gt;&lt;code&gt;obj&lt;/code&gt; is an instance of &lt;code&gt;XYDotRenderer&lt;/code&gt;;&lt;/li&gt;<a name="line.225"></a>
<FONT color="green">226</FONT>         * &lt;li&gt;both renderers have the same attribute values.<a name="line.226"></a>
<FONT color="green">227</FONT>         * &lt;/ul&gt;<a name="line.227"></a>
<FONT color="green">228</FONT>         * <a name="line.228"></a>
<FONT color="green">229</FONT>         * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.229"></a>
<FONT color="green">230</FONT>         * <a name="line.230"></a>
<FONT color="green">231</FONT>         * @return A boolean.<a name="line.231"></a>
<FONT color="green">232</FONT>         */<a name="line.232"></a>
<FONT color="green">233</FONT>        public boolean equals(Object obj) {<a name="line.233"></a>
<FONT color="green">234</FONT>            if (obj == this) {<a name="line.234"></a>
<FONT color="green">235</FONT>                return true;<a name="line.235"></a>
<FONT color="green">236</FONT>            }<a name="line.236"></a>
<FONT color="green">237</FONT>            if (!(obj instanceof XYDotRenderer)) {<a name="line.237"></a>
<FONT color="green">238</FONT>                return false;<a name="line.238"></a>
<FONT color="green">239</FONT>            }<a name="line.239"></a>
<FONT color="green">240</FONT>            XYDotRenderer that = (XYDotRenderer) obj;<a name="line.240"></a>
<FONT color="green">241</FONT>            if (this.dotWidth != that.dotWidth) {<a name="line.241"></a>
<FONT color="green">242</FONT>                return false;<a name="line.242"></a>
<FONT color="green">243</FONT>            }<a name="line.243"></a>
<FONT color="green">244</FONT>            if (this.dotHeight != that.dotHeight) {<a name="line.244"></a>
<FONT color="green">245</FONT>                return false;<a name="line.245"></a>
<FONT color="green">246</FONT>            }<a name="line.246"></a>
<FONT color="green">247</FONT>            return super.equals(obj);    <a name="line.247"></a>
<FONT color="green">248</FONT>        }<a name="line.248"></a>
<FONT color="green">249</FONT>        <a name="line.249"></a>
<FONT color="green">250</FONT>        /**<a name="line.250"></a>
<FONT color="green">251</FONT>         * Returns a clone of the renderer.<a name="line.251"></a>
<FONT color="green">252</FONT>         * <a name="line.252"></a>
<FONT color="green">253</FONT>         * @return A clone.<a name="line.253"></a>
<FONT color="green">254</FONT>         * <a name="line.254"></a>
<FONT color="green">255</FONT>         * @throws CloneNotSupportedException  if the renderer cannot be cloned.<a name="line.255"></a>
<FONT color="green">256</FONT>         */<a name="line.256"></a>
<FONT color="green">257</FONT>        public Object clone() throws CloneNotSupportedException {<a name="line.257"></a>
<FONT color="green">258</FONT>            return super.clone();<a name="line.258"></a>
<FONT color="green">259</FONT>        }<a name="line.259"></a>
<FONT color="green">260</FONT>    <a name="line.260"></a>
<FONT color="green">261</FONT>    }<a name="line.261"></a>




























































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