pieplot3d.html

jfreechart最新源代码

<FONT color="green">276</FONT>            // if we are drawing a perfect circle, we need to readjust the top left<a name="line.276"></a>
<FONT color="green">277</FONT>            // coordinates of the drawing area for the arcs to arrive at this<a name="line.277"></a>
<FONT color="green">278</FONT>            // effect.<a name="line.278"></a>
<FONT color="green">279</FONT>            if (isCircular()) {<a name="line.279"></a>
<FONT color="green">280</FONT>                double min = Math.min(plotArea.getWidth(), <a name="line.280"></a>
<FONT color="green">281</FONT>                        plotArea.getHeight()) / 2;<a name="line.281"></a>
<FONT color="green">282</FONT>                plotArea = new Rectangle2D.Double(<a name="line.282"></a>
<FONT color="green">283</FONT>                    plotArea.getCenterX() - min, plotArea.getCenterY() - min, <a name="line.283"></a>
<FONT color="green">284</FONT>                    2 * min, 2 * min<a name="line.284"></a>
<FONT color="green">285</FONT>                );<a name="line.285"></a>
<FONT color="green">286</FONT>            }<a name="line.286"></a>
<FONT color="green">287</FONT>            // get a list of keys...<a name="line.287"></a>
<FONT color="green">288</FONT>            List sectionKeys = dataset.getKeys();<a name="line.288"></a>
<FONT color="green">289</FONT>    <a name="line.289"></a>
<FONT color="green">290</FONT>            if (sectionKeys.size() == 0) {<a name="line.290"></a>
<FONT color="green">291</FONT>                return;<a name="line.291"></a>
<FONT color="green">292</FONT>            }<a name="line.292"></a>
<FONT color="green">293</FONT>    <a name="line.293"></a>
<FONT color="green">294</FONT>            // establish the coordinates of the top left corner of the drawing area<a name="line.294"></a>
<FONT color="green">295</FONT>            double arcX = pieArea.getX();<a name="line.295"></a>
<FONT color="green">296</FONT>            double arcY = pieArea.getY();<a name="line.296"></a>
<FONT color="green">297</FONT>    <a name="line.297"></a>
<FONT color="green">298</FONT>            //g2.clip(clipArea);<a name="line.298"></a>
<FONT color="green">299</FONT>            Composite originalComposite = g2.getComposite();<a name="line.299"></a>
<FONT color="green">300</FONT>            g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, <a name="line.300"></a>
<FONT color="green">301</FONT>                    getForegroundAlpha()));<a name="line.301"></a>
<FONT color="green">302</FONT>    <a name="line.302"></a>
<FONT color="green">303</FONT>            double totalValue = DatasetUtilities.calculatePieDatasetTotal(dataset);<a name="line.303"></a>
<FONT color="green">304</FONT>            double runningTotal = 0;<a name="line.304"></a>
<FONT color="green">305</FONT>            if (depth &lt; 0) {<a name="line.305"></a>
<FONT color="green">306</FONT>                return;  // if depth is negative don't draw anything<a name="line.306"></a>
<FONT color="green">307</FONT>            }<a name="line.307"></a>
<FONT color="green">308</FONT>    <a name="line.308"></a>
<FONT color="green">309</FONT>            ArrayList arcList = new ArrayList();<a name="line.309"></a>
<FONT color="green">310</FONT>            Arc2D.Double arc;<a name="line.310"></a>
<FONT color="green">311</FONT>            Paint paint;<a name="line.311"></a>
<FONT color="green">312</FONT>            Paint outlinePaint;<a name="line.312"></a>
<FONT color="green">313</FONT>            Stroke outlineStroke;<a name="line.313"></a>
<FONT color="green">314</FONT>    <a name="line.314"></a>
<FONT color="green">315</FONT>            Iterator iterator = sectionKeys.iterator();<a name="line.315"></a>
<FONT color="green">316</FONT>            while (iterator.hasNext()) {<a name="line.316"></a>
<FONT color="green">317</FONT>    <a name="line.317"></a>
<FONT color="green">318</FONT>                Comparable currentKey = (Comparable) iterator.next();<a name="line.318"></a>
<FONT color="green">319</FONT>                Number dataValue = dataset.getValue(currentKey);<a name="line.319"></a>
<FONT color="green">320</FONT>                if (dataValue == null) {<a name="line.320"></a>
<FONT color="green">321</FONT>                    arcList.add(null);<a name="line.321"></a>
<FONT color="green">322</FONT>                    continue;<a name="line.322"></a>
<FONT color="green">323</FONT>                }<a name="line.323"></a>
<FONT color="green">324</FONT>                double value = dataValue.doubleValue();<a name="line.324"></a>
<FONT color="green">325</FONT>                if (value &lt;= 0) {<a name="line.325"></a>
<FONT color="green">326</FONT>                    arcList.add(null);<a name="line.326"></a>
<FONT color="green">327</FONT>                    continue;<a name="line.327"></a>
<FONT color="green">328</FONT>                }<a name="line.328"></a>
<FONT color="green">329</FONT>                double startAngle = getStartAngle();<a name="line.329"></a>
<FONT color="green">330</FONT>                double direction = getDirection().getFactor();<a name="line.330"></a>
<FONT color="green">331</FONT>                double angle1 = startAngle + (direction * (runningTotal * 360)) <a name="line.331"></a>
<FONT color="green">332</FONT>                / totalValue;<a name="line.332"></a>
<FONT color="green">333</FONT>                double angle2 = startAngle + (direction * (runningTotal + value) <a name="line.333"></a>
<FONT color="green">334</FONT>                        * 360) / totalValue;<a name="line.334"></a>
<FONT color="green">335</FONT>                if (Math.abs(angle2 - angle1) &gt; getMinimumArcAngleToDraw()) {<a name="line.335"></a>
<FONT color="green">336</FONT>                    arcList.add(<a name="line.336"></a>
<FONT color="green">337</FONT>                        new Arc2D.Double(<a name="line.337"></a>
<FONT color="green">338</FONT>                            arcX, arcY + depth, pieArea.getWidth(), <a name="line.338"></a>
<FONT color="green">339</FONT>                            pieArea.getHeight() - depth,<a name="line.339"></a>
<FONT color="green">340</FONT>                            angle1, angle2 - angle1, Arc2D.PIE<a name="line.340"></a>
<FONT color="green">341</FONT>                        )<a name="line.341"></a>
<FONT color="green">342</FONT>                    );<a name="line.342"></a>
<FONT color="green">343</FONT>                }<a name="line.343"></a>
<FONT color="green">344</FONT>                else {<a name="line.344"></a>
<FONT color="green">345</FONT>                    arcList.add(null);<a name="line.345"></a>
<FONT color="green">346</FONT>                }<a name="line.346"></a>
<FONT color="green">347</FONT>                runningTotal += value;<a name="line.347"></a>
<FONT color="green">348</FONT>            }<a name="line.348"></a>
<FONT color="green">349</FONT>    <a name="line.349"></a>
<FONT color="green">350</FONT>            Shape oldClip = g2.getClip();<a name="line.350"></a>
<FONT color="green">351</FONT>    <a name="line.351"></a>
<FONT color="green">352</FONT>            Ellipse2D top = new Ellipse2D.Double(<a name="line.352"></a>
<FONT color="green">353</FONT>                pieArea.getX(), pieArea.getY(), pieArea.getWidth(), <a name="line.353"></a>
<FONT color="green">354</FONT>                pieArea.getHeight() - depth<a name="line.354"></a>
<FONT color="green">355</FONT>            );<a name="line.355"></a>
<FONT color="green">356</FONT>    <a name="line.356"></a>
<FONT color="green">357</FONT>            Ellipse2D bottom = new Ellipse2D.Double(<a name="line.357"></a>
<FONT color="green">358</FONT>                pieArea.getX(), pieArea.getY() + depth, pieArea.getWidth(), <a name="line.358"></a>
<FONT color="green">359</FONT>                pieArea.getHeight() - depth<a name="line.359"></a>
<FONT color="green">360</FONT>            );<a name="line.360"></a>
<FONT color="green">361</FONT>    <a name="line.361"></a>
<FONT color="green">362</FONT>            Rectangle2D lower = new Rectangle2D.Double(<a name="line.362"></a>
<FONT color="green">363</FONT>                top.getX(), top.getCenterY(), pieArea.getWidth(), <a name="line.363"></a>
<FONT color="green">364</FONT>                bottom.getMaxY() - top.getCenterY()<a name="line.364"></a>
<FONT color="green">365</FONT>            );<a name="line.365"></a>
<FONT color="green">366</FONT>    <a name="line.366"></a>
<FONT color="green">367</FONT>            Rectangle2D upper = new Rectangle2D.Double(<a name="line.367"></a>
<FONT color="green">368</FONT>                pieArea.getX(), top.getY(), pieArea.getWidth(),<a name="line.368"></a>
<FONT color="green">369</FONT>                bottom.getCenterY() - top.getY()<a name="line.369"></a>
<FONT color="green">370</FONT>            );<a name="line.370"></a>
<FONT color="green">371</FONT>    <a name="line.371"></a>
<FONT color="green">372</FONT>            Area a = new Area(top);<a name="line.372"></a>
<FONT color="green">373</FONT>            a.add(new Area(lower));<a name="line.373"></a>
<FONT color="green">374</FONT>            Area b = new Area(bottom);<a name="line.374"></a>
<FONT color="green">375</FONT>            b.add(new Area(upper));<a name="line.375"></a>
<FONT color="green">376</FONT>            Area pie = new Area(a);<a name="line.376"></a>
<FONT color="green">377</FONT>            pie.intersect(b);<a name="line.377"></a>
<FONT color="green">378</FONT>    <a name="line.378"></a>
<FONT color="green">379</FONT>            Area front = new Area(pie);<a name="line.379"></a>
<FONT color="green">380</FONT>            front.subtract(new Area(top));<a name="line.380"></a>
<FONT color="green">381</FONT>    <a name="line.381"></a>
<FONT color="green">382</FONT>            Area back = new Area(pie);<a name="line.382"></a>
<FONT color="green">383</FONT>            back.subtract(new Area(bottom));<a name="line.383"></a>
<FONT color="green">384</FONT>    <a name="line.384"></a>
<FONT color="green">385</FONT>            // draw the bottom circle<a name="line.385"></a>
<FONT color="green">386</FONT>            int[] xs;<a name="line.386"></a>
<FONT color="green">387</FONT>            int[] ys;<a name="line.387"></a>
<FONT color="green">388</FONT>            outlinePaint = getSectionOutlinePaint(0);<a name="line.388"></a>
<FONT color="green">389</FONT>            arc = new Arc2D.Double(<a name="line.389"></a>
<FONT color="green">390</FONT>                arcX, arcY + depth, pieArea.getWidth(), pieArea.getHeight() - depth,<a name="line.390"></a>
<FONT color="green">391</FONT>                0, 360, Arc2D.PIE<a name="line.391"></a>
<FONT color="green">392</FONT>            );<a name="line.392"></a>
<FONT color="green">393</FONT>    <a name="line.393"></a>
<FONT color="green">394</FONT>            int categoryCount = arcList.size();<a name="line.394"></a>
<FONT color="green">395</FONT>            for (int categoryIndex = 0; categoryIndex &lt; categoryCount; <a name="line.395"></a>
<FONT color="green">396</FONT>                 categoryIndex++) {<a name="line.396"></a>
<FONT color="green">397</FONT>                arc = (Arc2D.Double) arcList.get(categoryIndex);<a name="line.397"></a>
<FONT color="green">398</FONT>                if (arc == null) {<a name="line.398"></a>
<FONT color="green">399</FONT>                    continue;<a name="line.399"></a>
<FONT color="green">400</FONT>                }<a name="line.400"></a>
<FONT color="green">401</FONT>                paint = getSectionPaint(categoryIndex);<a name="line.401"></a>
<FONT color="green">402</FONT>                outlinePaint = getSectionOutlinePaint(categoryIndex);<a name="line.402"></a>
<FONT color="green">403</FONT>                outlineStroke = getSectionOutlineStroke(categoryIndex);<a name="line.403"></a>
<FONT color="green">404</FONT>                g2.setPaint(paint);<a name="line.404"></a>
<FONT color="green">405</FONT>                g2.fill(arc);<a name="line.405"></a>
<FONT color="green">406</FONT>                g2.setPaint(outlinePaint);<a name="line.406"></a>
<FONT color="green">407</FONT>                g2.setStroke(outlineStroke);<a name="line.407"></a>
<FONT color="green">408</FONT>                g2.draw(arc);<a name="line.408"></a>
<FONT color="green">409</FONT>                g2.setPaint(paint);<a name="line.409"></a>
<FONT color="green">410</FONT>    <a name="line.410"></a>
<FONT color="green">411</FONT>                Point2D p1 = arc.getStartPoint();<a name="line.411"></a>
<FONT color="green">412</FONT>    <a name="line.412"></a>
<FONT color="green">413</FONT>                // draw the height<a name="line.413"></a>
<FONT color="green">414</FONT>                xs = new int[] {<a name="line.414"></a>