stackedxybarrenderer.html

jfreechart1。0。2的api。

<FONT color="green">181</FONT>                boolean and = false;<a name="line.181"></a>
<FONT color="green">182</FONT>                if (!IntervalXYDataset.class.isAssignableFrom(dataset.getClass())) {<a name="line.182"></a>
<FONT color="green">183</FONT>                    message += " it is no IntervalXYDataset";<a name="line.183"></a>
<FONT color="green">184</FONT>                    and = true;<a name="line.184"></a>
<FONT color="green">185</FONT>                }<a name="line.185"></a>
<FONT color="green">186</FONT>                if (!TableXYDataset.class.isAssignableFrom(dataset.getClass())) {<a name="line.186"></a>
<FONT color="green">187</FONT>                    if (and) {<a name="line.187"></a>
<FONT color="green">188</FONT>                        message += " and";<a name="line.188"></a>
<FONT color="green">189</FONT>                    }<a name="line.189"></a>
<FONT color="green">190</FONT>                    message += " it is no TableXYDataset";<a name="line.190"></a>
<FONT color="green">191</FONT>                }<a name="line.191"></a>
<FONT color="green">192</FONT>    <a name="line.192"></a>
<FONT color="green">193</FONT>                throw new IllegalArgumentException(message);<a name="line.193"></a>
<FONT color="green">194</FONT>            }<a name="line.194"></a>
<FONT color="green">195</FONT>    <a name="line.195"></a>
<FONT color="green">196</FONT>            IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset;<a name="line.196"></a>
<FONT color="green">197</FONT>            double value = intervalDataset.getYValue(series, item);<a name="line.197"></a>
<FONT color="green">198</FONT>            if (Double.isNaN(value)) {<a name="line.198"></a>
<FONT color="green">199</FONT>                return;<a name="line.199"></a>
<FONT color="green">200</FONT>            }<a name="line.200"></a>
<FONT color="green">201</FONT>    <a name="line.201"></a>
<FONT color="green">202</FONT>            double positiveBase = 0.0;<a name="line.202"></a>
<FONT color="green">203</FONT>            double negativeBase = 0.0;<a name="line.203"></a>
<FONT color="green">204</FONT>    <a name="line.204"></a>
<FONT color="green">205</FONT>            for (int i = 0; i &lt; series; i++) {<a name="line.205"></a>
<FONT color="green">206</FONT>                double v = dataset.getYValue(i, item);<a name="line.206"></a>
<FONT color="green">207</FONT>                if (!Double.isNaN(v)) {<a name="line.207"></a>
<FONT color="green">208</FONT>                    if (v &gt; 0) {<a name="line.208"></a>
<FONT color="green">209</FONT>                        positiveBase = positiveBase + v;<a name="line.209"></a>
<FONT color="green">210</FONT>                    }<a name="line.210"></a>
<FONT color="green">211</FONT>                    else {<a name="line.211"></a>
<FONT color="green">212</FONT>                        negativeBase = negativeBase + v;<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>            }<a name="line.215"></a>
<FONT color="green">216</FONT>    <a name="line.216"></a>
<FONT color="green">217</FONT>            double translatedBase;<a name="line.217"></a>
<FONT color="green">218</FONT>            double translatedValue;<a name="line.218"></a>
<FONT color="green">219</FONT>            RectangleEdge edgeR = plot.getRangeAxisEdge();<a name="line.219"></a>
<FONT color="green">220</FONT>            if (value &gt; 0.0) {<a name="line.220"></a>
<FONT color="green">221</FONT>                translatedBase = rangeAxis.valueToJava2D(positiveBase, dataArea, <a name="line.221"></a>
<FONT color="green">222</FONT>                        edgeR);<a name="line.222"></a>
<FONT color="green">223</FONT>                translatedValue = rangeAxis.valueToJava2D(positiveBase + value, <a name="line.223"></a>
<FONT color="green">224</FONT>                        dataArea, edgeR);<a name="line.224"></a>
<FONT color="green">225</FONT>            }<a name="line.225"></a>
<FONT color="green">226</FONT>            else {<a name="line.226"></a>
<FONT color="green">227</FONT>                translatedBase = rangeAxis.valueToJava2D(negativeBase, dataArea, <a name="line.227"></a>
<FONT color="green">228</FONT>                        edgeR);<a name="line.228"></a>
<FONT color="green">229</FONT>                translatedValue = rangeAxis.valueToJava2D(negativeBase + value, <a name="line.229"></a>
<FONT color="green">230</FONT>                        dataArea, edgeR);<a name="line.230"></a>
<FONT color="green">231</FONT>            }<a name="line.231"></a>
<FONT color="green">232</FONT>    <a name="line.232"></a>
<FONT color="green">233</FONT>            RectangleEdge edgeD = plot.getDomainAxisEdge();<a name="line.233"></a>
<FONT color="green">234</FONT>            double startX = intervalDataset.getStartXValue(series, item);<a name="line.234"></a>
<FONT color="green">235</FONT>            if (Double.isNaN(startX)) {<a name="line.235"></a>
<FONT color="green">236</FONT>                return;<a name="line.236"></a>
<FONT color="green">237</FONT>            }<a name="line.237"></a>
<FONT color="green">238</FONT>            double translatedStartX = domainAxis.valueToJava2D(startX, dataArea, <a name="line.238"></a>
<FONT color="green">239</FONT>                    edgeD);<a name="line.239"></a>
<FONT color="green">240</FONT>    <a name="line.240"></a>
<FONT color="green">241</FONT>            double endX = intervalDataset.getEndXValue(series, item);<a name="line.241"></a>
<FONT color="green">242</FONT>            if (Double.isNaN(endX)) {<a name="line.242"></a>
<FONT color="green">243</FONT>                return;<a name="line.243"></a>
<FONT color="green">244</FONT>            }<a name="line.244"></a>
<FONT color="green">245</FONT>            double translatedEndX = domainAxis.valueToJava2D(endX, dataArea, edgeD);<a name="line.245"></a>
<FONT color="green">246</FONT>    <a name="line.246"></a>
<FONT color="green">247</FONT>            double translatedWidth = Math.max(1, Math.abs(translatedEndX <a name="line.247"></a>
<FONT color="green">248</FONT>                    - translatedStartX));<a name="line.248"></a>
<FONT color="green">249</FONT>            double translatedHeight = Math.abs(translatedValue - translatedBase);<a name="line.249"></a>
<FONT color="green">250</FONT>            if (getMargin() &gt; 0.0) {<a name="line.250"></a>
<FONT color="green">251</FONT>                double cut = translatedWidth * getMargin();<a name="line.251"></a>
<FONT color="green">252</FONT>                translatedWidth = translatedWidth - cut;<a name="line.252"></a>
<FONT color="green">253</FONT>                translatedStartX = translatedStartX + cut / 2;<a name="line.253"></a>
<FONT color="green">254</FONT>            }<a name="line.254"></a>
<FONT color="green">255</FONT>    <a name="line.255"></a>
<FONT color="green">256</FONT>            Rectangle2D bar = null;<a name="line.256"></a>
<FONT color="green">257</FONT>            PlotOrientation orientation = plot.getOrientation();<a name="line.257"></a>
<FONT color="green">258</FONT>            if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.258"></a>
<FONT color="green">259</FONT>                bar = new Rectangle2D.Double(Math.min(translatedBase, <a name="line.259"></a>
<FONT color="green">260</FONT>                        translatedValue), translatedEndX, translatedHeight,<a name="line.260"></a>
<FONT color="green">261</FONT>                        translatedWidth);<a name="line.261"></a>
<FONT color="green">262</FONT>            }<a name="line.262"></a>
<FONT color="green">263</FONT>            else if (orientation == PlotOrientation.VERTICAL) {<a name="line.263"></a>
<FONT color="green">264</FONT>                bar = new Rectangle2D.Double(translatedStartX,<a name="line.264"></a>
<FONT color="green">265</FONT>                        Math.min(translatedBase, translatedValue),<a name="line.265"></a>
<FONT color="green">266</FONT>                        translatedWidth, translatedHeight);<a name="line.266"></a>
<FONT color="green">267</FONT>            }<a name="line.267"></a>
<FONT color="green">268</FONT>    <a name="line.268"></a>
<FONT color="green">269</FONT>            g2.setPaint(getItemPaint(series, item));<a name="line.269"></a>
<FONT color="green">270</FONT>            g2.fill(bar);<a name="line.270"></a>
<FONT color="green">271</FONT>            if (isDrawBarOutline() <a name="line.271"></a>
<FONT color="green">272</FONT>                    &amp;&amp; Math.abs(translatedEndX - translatedStartX) &gt; 3) {<a name="line.272"></a>
<FONT color="green">273</FONT>                g2.setStroke(getItemStroke(series, item));<a name="line.273"></a>
<FONT color="green">274</FONT>                g2.setPaint(getItemOutlinePaint(series, item));<a name="line.274"></a>
<FONT color="green">275</FONT>                g2.draw(bar);<a name="line.275"></a>
<FONT color="green">276</FONT>            }<a name="line.276"></a>
<FONT color="green">277</FONT>    <a name="line.277"></a>
<FONT color="green">278</FONT>            // add an entity for the item...<a name="line.278"></a>
<FONT color="green">279</FONT>            if (info != null) {<a name="line.279"></a>
<FONT color="green">280</FONT>                EntityCollection entities = info.getOwner().getEntityCollection();<a name="line.280"></a>
<FONT color="green">281</FONT>                if (entities != null) {<a name="line.281"></a>
<FONT color="green">282</FONT>                    String tip = null;<a name="line.282"></a>
<FONT color="green">283</FONT>                    XYToolTipGenerator generator <a name="line.283"></a>
<FONT color="green">284</FONT>                        = getToolTipGenerator(series, item);<a name="line.284"></a>
<FONT color="green">285</FONT>                    if (generator != null) {<a name="line.285"></a>
<FONT color="green">286</FONT>                        tip = generator.generateToolTip(dataset, series, item);<a name="line.286"></a>
<FONT color="green">287</FONT>                    }<a name="line.287"></a>
<FONT color="green">288</FONT>                    String url = null;<a name="line.288"></a>
<FONT color="green">289</FONT>                    if (getURLGenerator() != null) {<a name="line.289"></a>
<FONT color="green">290</FONT>                        url = getURLGenerator().generateURL(dataset, series, item);<a name="line.290"></a>
<FONT color="green">291</FONT>                    }<a name="line.291"></a>
<FONT color="green">292</FONT>                    XYItemEntity entity = new XYItemEntity(bar, dataset, series, <a name="line.292"></a>
<FONT color="green">293</FONT>                            item, tip, url);<a name="line.293"></a>
<FONT color="green">294</FONT>                    entities.add(entity);<a name="line.294"></a>
<FONT color="green">295</FONT>                }<a name="line.295"></a>
<FONT color="green">296</FONT>            }<a name="line.296"></a>
<FONT color="green">297</FONT>        }<a name="line.297"></a>
<FONT color="green">298</FONT>        <a name="line.298"></a>
<FONT color="green">299</FONT>    }<a name="line.299"></a>




























































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