xybarrenderer.html

jfreechart1。0。2的api。

<FONT color="green">280</FONT>        }<a name="line.280"></a>
<FONT color="green">281</FONT>        <a name="line.281"></a>
<FONT color="green">282</FONT>        /**<a name="line.282"></a>
<FONT color="green">283</FONT>         * Sets the percentage amount by which the bars are trimmed and sends a <a name="line.283"></a>
<FONT color="green">284</FONT>         * {@link RendererChangeEvent} to all registered listeners.<a name="line.284"></a>
<FONT color="green">285</FONT>         *<a name="line.285"></a>
<FONT color="green">286</FONT>         * @param margin  the new margin.<a name="line.286"></a>
<FONT color="green">287</FONT>         */<a name="line.287"></a>
<FONT color="green">288</FONT>        public void setMargin(double margin) {<a name="line.288"></a>
<FONT color="green">289</FONT>            this.margin = margin;<a name="line.289"></a>
<FONT color="green">290</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.290"></a>
<FONT color="green">291</FONT>        }<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>         * Returns a flag that controls whether or not bar outlines are drawn.<a name="line.294"></a>
<FONT color="green">295</FONT>         * <a name="line.295"></a>
<FONT color="green">296</FONT>         * @return A boolean.<a name="line.296"></a>
<FONT color="green">297</FONT>         */<a name="line.297"></a>
<FONT color="green">298</FONT>        public boolean isDrawBarOutline() {<a name="line.298"></a>
<FONT color="green">299</FONT>            return this.drawBarOutline;    <a name="line.299"></a>
<FONT color="green">300</FONT>        }<a name="line.300"></a>
<FONT color="green">301</FONT>        <a name="line.301"></a>
<FONT color="green">302</FONT>        /**<a name="line.302"></a>
<FONT color="green">303</FONT>         * Sets the flag that controls whether or not bar outlines are drawn and <a name="line.303"></a>
<FONT color="green">304</FONT>         * sends a {@link RendererChangeEvent} to all registered listeners.<a name="line.304"></a>
<FONT color="green">305</FONT>         * <a name="line.305"></a>
<FONT color="green">306</FONT>         * @param draw  the flag.<a name="line.306"></a>
<FONT color="green">307</FONT>         */<a name="line.307"></a>
<FONT color="green">308</FONT>        public void setDrawBarOutline(boolean draw) {<a name="line.308"></a>
<FONT color="green">309</FONT>            this.drawBarOutline = draw;<a name="line.309"></a>
<FONT color="green">310</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.310"></a>
<FONT color="green">311</FONT>        }<a name="line.311"></a>
<FONT color="green">312</FONT>        <a name="line.312"></a>
<FONT color="green">313</FONT>        /**<a name="line.313"></a>
<FONT color="green">314</FONT>         * Returns the gradient paint transformer (an object used to transform <a name="line.314"></a>
<FONT color="green">315</FONT>         * gradient paint objects to fit each bar.<a name="line.315"></a>
<FONT color="green">316</FONT>         * <a name="line.316"></a>
<FONT color="green">317</FONT>         * @return A transformer (&lt;code&gt;null&lt;/code&gt; possible).<a name="line.317"></a>
<FONT color="green">318</FONT>         */    <a name="line.318"></a>
<FONT color="green">319</FONT>        public GradientPaintTransformer getGradientPaintTransformer() {<a name="line.319"></a>
<FONT color="green">320</FONT>            return this.gradientPaintTransformer;    <a name="line.320"></a>
<FONT color="green">321</FONT>        }<a name="line.321"></a>
<FONT color="green">322</FONT>        <a name="line.322"></a>
<FONT color="green">323</FONT>        /**<a name="line.323"></a>
<FONT color="green">324</FONT>         * Sets the gradient paint transformer and sends a <a name="line.324"></a>
<FONT color="green">325</FONT>         * {@link RendererChangeEvent} to all registered listeners.<a name="line.325"></a>
<FONT color="green">326</FONT>         * <a name="line.326"></a>
<FONT color="green">327</FONT>         * @param transformer  the transformer (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.327"></a>
<FONT color="green">328</FONT>         */<a name="line.328"></a>
<FONT color="green">329</FONT>        public void setGradientPaintTransformer(<a name="line.329"></a>
<FONT color="green">330</FONT>                GradientPaintTransformer transformer) {<a name="line.330"></a>
<FONT color="green">331</FONT>            this.gradientPaintTransformer = transformer;<a name="line.331"></a>
<FONT color="green">332</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.332"></a>
<FONT color="green">333</FONT>        }<a name="line.333"></a>
<FONT color="green">334</FONT>         <a name="line.334"></a>
<FONT color="green">335</FONT>        /**<a name="line.335"></a>
<FONT color="green">336</FONT>         * Returns the shape used to represent bars in each legend item.<a name="line.336"></a>
<FONT color="green">337</FONT>         * <a name="line.337"></a>
<FONT color="green">338</FONT>         * @return The shape used to represent bars in each legend item (never <a name="line.338"></a>
<FONT color="green">339</FONT>         *         &lt;code&gt;null&lt;/code&gt;).<a name="line.339"></a>
<FONT color="green">340</FONT>         */<a name="line.340"></a>
<FONT color="green">341</FONT>        public Shape getLegendBar() {<a name="line.341"></a>
<FONT color="green">342</FONT>            return this.legendBar;<a name="line.342"></a>
<FONT color="green">343</FONT>        }<a name="line.343"></a>
<FONT color="green">344</FONT>        <a name="line.344"></a>
<FONT color="green">345</FONT>        /**<a name="line.345"></a>
<FONT color="green">346</FONT>         * Sets the shape used to represent bars in each legend item.<a name="line.346"></a>
<FONT color="green">347</FONT>         * <a name="line.347"></a>
<FONT color="green">348</FONT>         * @param bar  the bar shape (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.348"></a>
<FONT color="green">349</FONT>         */<a name="line.349"></a>
<FONT color="green">350</FONT>        public void setLegendBar(Shape bar) {<a name="line.350"></a>
<FONT color="green">351</FONT>            if (bar == null) {<a name="line.351"></a>
<FONT color="green">352</FONT>                throw new IllegalArgumentException("Null 'bar' argument.");<a name="line.352"></a>
<FONT color="green">353</FONT>            }<a name="line.353"></a>
<FONT color="green">354</FONT>            this.legendBar = bar;<a name="line.354"></a>
<FONT color="green">355</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.355"></a>
<FONT color="green">356</FONT>        }<a name="line.356"></a>
<FONT color="green">357</FONT>        <a name="line.357"></a>
<FONT color="green">358</FONT>        /**<a name="line.358"></a>
<FONT color="green">359</FONT>         * Returns the fallback position for positive item labels that don't fit <a name="line.359"></a>
<FONT color="green">360</FONT>         * within a bar.<a name="line.360"></a>
<FONT color="green">361</FONT>         * <a name="line.361"></a>
<FONT color="green">362</FONT>         * @return The fallback position (&lt;code&gt;null&lt;/code&gt; possible).<a name="line.362"></a>
<FONT color="green">363</FONT>         * <a name="line.363"></a>
<FONT color="green">364</FONT>         * @since 1.0.2<a name="line.364"></a>
<FONT color="green">365</FONT>         */<a name="line.365"></a>
<FONT color="green">366</FONT>        public ItemLabelPosition getPositiveItemLabelPositionFallback() {<a name="line.366"></a>
<FONT color="green">367</FONT>            return this.positiveItemLabelPositionFallback;<a name="line.367"></a>
<FONT color="green">368</FONT>        }<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>         * Sets the fallback position for positive item labels that don't fit <a name="line.371"></a>
<FONT color="green">372</FONT>         * within a bar, and sends a {@link RendererChangeEvent} to all registered<a name="line.372"></a>
<FONT color="green">373</FONT>         * listeners.<a name="line.373"></a>
<FONT color="green">374</FONT>         * <a name="line.374"></a>
<FONT color="green">375</FONT>         * @param position  the position (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.375"></a>
<FONT color="green">376</FONT>         * <a name="line.376"></a>
<FONT color="green">377</FONT>         * @since 1.0.2<a name="line.377"></a>
<FONT color="green">378</FONT>         */<a name="line.378"></a>
<FONT color="green">379</FONT>        public void setPositiveItemLabelPositionFallback(<a name="line.379"></a>
<FONT color="green">380</FONT>                ItemLabelPosition position) {<a name="line.380"></a>
<FONT color="green">381</FONT>            this.positiveItemLabelPositionFallback = position;<a name="line.381"></a>
<FONT color="green">382</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.382"></a>
<FONT color="green">383</FONT>        }<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>         * Returns the fallback position for negative item labels that don't fit <a name="line.386"></a>
<FONT color="green">387</FONT>         * within a bar.<a name="line.387"></a>
<FONT color="green">388</FONT>         * <a name="line.388"></a>
<FONT color="green">389</FONT>         * @return The fallback position (&lt;code&gt;null&lt;/code&gt; possible).<a name="line.389"></a>
<FONT color="green">390</FONT>         * <a name="line.390"></a>
<FONT color="green">391</FONT>         * @since 1.0.2<a name="line.391"></a>
<FONT color="green">392</FONT>         */<a name="line.392"></a>
<FONT color="green">393</FONT>        public ItemLabelPosition getNegativeItemLabelPositionFallback() {<a name="line.393"></a>
<FONT color="green">394</FONT>            return this.negativeItemLabelPositionFallback;<a name="line.394"></a>
<FONT color="green">395</FONT>        }<a name="line.395"></a>
<FONT color="green">396</FONT>        <a name="line.396"></a>
<FONT color="green">397</FONT>        /**<a name="line.397"></a>
<FONT color="green">398</FONT>         * Sets the fallback position for negative item labels that don't fit <a name="line.398"></a>
<FONT color="green">399</FONT>         * within a bar, and sends a {@link RendererChangeEvent} to all registered<a name="line.399"></a>
<FONT color="green">400</FONT>         * listeners.<a name="line.400"></a>
<FONT color="green">401</FONT>         * <a name="line.401"></a>
<FONT color="green">402</FONT>         * @param position  the position (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.402"></a>
<FONT color="green">403</FONT>         * <a name="line.403"></a>
<FONT color="green">404</FONT>         * @since 1.0.2<a name="line.404"></a>
<FONT color="green">405</FONT>         */<a name="line.405"></a>
<FONT color="green">406</FONT>        public void setNegativeItemLabelPositionFallback(<a name="line.406"></a>
<FONT color="green">407</FONT>                ItemLabelPosition position) {<a name="line.407"></a>
<FONT color="green">408</FONT>            this.negativeItemLabelPositionFallback = position;<a name="line.408"></a>
<FONT color="green">409</FONT>            notifyListeners(new RendererChangeEvent(this));<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>        /**<a name="line.412"></a>
<FONT color="green">413</FONT>         * Initialises the renderer and returns a state object that should be <a name="line.413"></a>
<FONT color="green">414</FONT>         * passed to all subsequent calls to the drawItem() method.  Here we <a name="line.414"></a>
<FONT color="green">415</FONT>         * calculate the Java2D y-coordinate for zero, since all the bars have <a name="line.415"></a>
<FONT color="green">416</FONT>         * their bases fixed at zero.<a name="line.416"></a>
<FONT color="green">417</FONT>         *<a name="line.417"></a>
<FONT color="green">418</FONT>         * @param g2  the graphics device.<a name="line.418"></a>
<FONT color="green">419</FONT>         * @param dataArea  the area inside the axes.<a name="line.419"></a>
<FONT color="green">420</FONT>         * @param plot  the plot.<a name="line.420"></a>