stackedxyarearenderer2.html

jfreechart1。0。2的api。

<FONT color="green">324</FONT>            Paint itemPaint = getItemPaint(series, item);<a name="line.324"></a>
<FONT color="green">325</FONT>            if (pass == 0) {<a name="line.325"></a>
<FONT color="green">326</FONT>                g2.setPaint(itemPaint);<a name="line.326"></a>
<FONT color="green">327</FONT>                g2.fill(left);<a name="line.327"></a>
<FONT color="green">328</FONT>                g2.fill(right);<a name="line.328"></a>
<FONT color="green">329</FONT>            } <a name="line.329"></a>
<FONT color="green">330</FONT>            <a name="line.330"></a>
<FONT color="green">331</FONT>            // add an entity for the item...<a name="line.331"></a>
<FONT color="green">332</FONT>            if (entities != null) {<a name="line.332"></a>
<FONT color="green">333</FONT>                GeneralPath gp = new GeneralPath(left);<a name="line.333"></a>
<FONT color="green">334</FONT>                gp.append(right, false);<a name="line.334"></a>
<FONT color="green">335</FONT>                entityArea = gp;<a name="line.335"></a>
<FONT color="green">336</FONT>                addEntity(entities, entityArea, dataset, series, item, <a name="line.336"></a>
<FONT color="green">337</FONT>                        transX1, transY1);<a name="line.337"></a>
<FONT color="green">338</FONT>            }<a name="line.338"></a>
<FONT color="green">339</FONT>    <a name="line.339"></a>
<FONT color="green">340</FONT>        }<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>         * Calculates the stacked value of the all series up to, but not including <a name="line.343"></a>
<FONT color="green">344</FONT>         * &lt;code&gt;series&lt;/code&gt; for the specified item. It returns 0.0 if <a name="line.344"></a>
<FONT color="green">345</FONT>         * &lt;code&gt;series&lt;/code&gt; is the first series, i.e. 0.<a name="line.345"></a>
<FONT color="green">346</FONT>         *<a name="line.346"></a>
<FONT color="green">347</FONT>         * @param dataset  the dataset.<a name="line.347"></a>
<FONT color="green">348</FONT>         * @param series  the series.<a name="line.348"></a>
<FONT color="green">349</FONT>         * @param index  the index.<a name="line.349"></a>
<FONT color="green">350</FONT>         *<a name="line.350"></a>
<FONT color="green">351</FONT>         * @return The cumulative value for all series' values up to but excluding <a name="line.351"></a>
<FONT color="green">352</FONT>         *         &lt;code&gt;series&lt;/code&gt; for &lt;code&gt;index&lt;/code&gt;.<a name="line.352"></a>
<FONT color="green">353</FONT>         */<a name="line.353"></a>
<FONT color="green">354</FONT>        private double[] getStackValues(TableXYDataset dataset, <a name="line.354"></a>
<FONT color="green">355</FONT>                                        int series, int index) {<a name="line.355"></a>
<FONT color="green">356</FONT>            double[] result = new double[2];<a name="line.356"></a>
<FONT color="green">357</FONT>            for (int i = 0; i &lt; series; i++) {<a name="line.357"></a>
<FONT color="green">358</FONT>                double v = dataset.getYValue(i, index);<a name="line.358"></a>
<FONT color="green">359</FONT>                if (!Double.isNaN(v)) {<a name="line.359"></a>
<FONT color="green">360</FONT>                    if (v &gt;= 0.0) {<a name="line.360"></a>
<FONT color="green">361</FONT>                        result[1] += v;   <a name="line.361"></a>
<FONT color="green">362</FONT>                    }<a name="line.362"></a>
<FONT color="green">363</FONT>                    else {<a name="line.363"></a>
<FONT color="green">364</FONT>                        result[0] += v;   <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>            }<a name="line.367"></a>
<FONT color="green">368</FONT>            return result;<a name="line.368"></a>
<FONT color="green">369</FONT>        }<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>         * Returns a pair of "stack" values calculated from the two specified pairs.<a name="line.372"></a>
<FONT color="green">373</FONT>         * <a name="line.373"></a>
<FONT color="green">374</FONT>         * @param stack1  the first stack pair.<a name="line.374"></a>
<FONT color="green">375</FONT>         * @param stack2  the second stack pair.<a name="line.375"></a>
<FONT color="green">376</FONT>         * <a name="line.376"></a>
<FONT color="green">377</FONT>         * @return A pair of average stack values.<a name="line.377"></a>
<FONT color="green">378</FONT>         */<a name="line.378"></a>
<FONT color="green">379</FONT>        private double[] averageStackValues(double[] stack1, double[] stack2) {<a name="line.379"></a>
<FONT color="green">380</FONT>            double[] result = new double[2];<a name="line.380"></a>
<FONT color="green">381</FONT>            result[0] = (stack1[0] + stack2[0]) / 2.0;<a name="line.381"></a>
<FONT color="green">382</FONT>            result[1] = (stack1[1] + stack2[1]) / 2.0;<a name="line.382"></a>
<FONT color="green">383</FONT>            return result;<a name="line.383"></a>
<FONT color="green">384</FONT>        }<a name="line.384"></a>
<FONT color="green">385</FONT>    <a name="line.385"></a>
<FONT color="green">386</FONT>        /**<a name="line.386"></a>
<FONT color="green">387</FONT>         * Returns a pair of "stack" values calculated from the two specified pairs.<a name="line.387"></a>
<FONT color="green">388</FONT>         * <a name="line.388"></a>
<FONT color="green">389</FONT>         * @param stack1  the first stack pair.<a name="line.389"></a>
<FONT color="green">390</FONT>         * @param stack2  the second stack pair.<a name="line.390"></a>
<FONT color="green">391</FONT>         * <a name="line.391"></a>
<FONT color="green">392</FONT>         * @return A pair of average stack values.<a name="line.392"></a>
<FONT color="green">393</FONT>         */<a name="line.393"></a>
<FONT color="green">394</FONT>        private double[] adjustedStackValues(double[] stack1, double[] stack2) {<a name="line.394"></a>
<FONT color="green">395</FONT>            double[] result = new double[2];<a name="line.395"></a>
<FONT color="green">396</FONT>            if (stack1[0] == 0.0 || stack2[0] == 0.0) {<a name="line.396"></a>
<FONT color="green">397</FONT>                result[0] = 0.0;   <a name="line.397"></a>
<FONT color="green">398</FONT>            }<a name="line.398"></a>
<FONT color="green">399</FONT>            else {<a name="line.399"></a>
<FONT color="green">400</FONT>                result[0] = (stack1[0] + stack2[0]) / 2.0;<a name="line.400"></a>
<FONT color="green">401</FONT>            }<a name="line.401"></a>
<FONT color="green">402</FONT>            if (stack1[1] == 0.0 || stack2[1] == 0.0) {<a name="line.402"></a>
<FONT color="green">403</FONT>                result[1] = 0.0;   <a name="line.403"></a>
<FONT color="green">404</FONT>            }<a name="line.404"></a>
<FONT color="green">405</FONT>            else {<a name="line.405"></a>
<FONT color="green">406</FONT>                result[1] = (stack1[1] + stack2[1]) / 2.0;<a name="line.406"></a>
<FONT color="green">407</FONT>            }<a name="line.407"></a>
<FONT color="green">408</FONT>            return result;<a name="line.408"></a>
<FONT color="green">409</FONT>        }<a name="line.409"></a>
<FONT color="green">410</FONT>    <a name="line.410"></a>
<FONT color="green">411</FONT>        /**<a name="line.411"></a>
<FONT color="green">412</FONT>         * Returns a clone of the renderer.<a name="line.412"></a>
<FONT color="green">413</FONT>         *<a name="line.413"></a>
<FONT color="green">414</FONT>         * @return A clone.<a name="line.414"></a>
<FONT color="green">415</FONT>         *<a name="line.415"></a>
<FONT color="green">416</FONT>         * @throws CloneNotSupportedException  if the renderer cannot be cloned.<a name="line.416"></a>
<FONT color="green">417</FONT>         */<a name="line.417"></a>
<FONT color="green">418</FONT>        public Object clone() throws CloneNotSupportedException {<a name="line.418"></a>
<FONT color="green">419</FONT>            return super.clone();<a name="line.419"></a>
<FONT color="green">420</FONT>        }<a name="line.420"></a>
<FONT color="green">421</FONT>    <a name="line.421"></a>
<FONT color="green">422</FONT>    }<a name="line.422"></a>




























































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