valueaxis.html

jfreechart1。0。2的api。

<FONT color="green">280</FONT>            Polygon p2 = new Polygon();<a name="line.280"></a>
<FONT color="green">281</FONT>            p2.addPoint(0, 0);<a name="line.281"></a>
<FONT color="green">282</FONT>            p2.addPoint(-2, -2);<a name="line.282"></a>
<FONT color="green">283</FONT>            p2.addPoint(2, -2);<a name="line.283"></a>
<FONT color="green">284</FONT>    <a name="line.284"></a>
<FONT color="green">285</FONT>            this.downArrow = p2;<a name="line.285"></a>
<FONT color="green">286</FONT>    <a name="line.286"></a>
<FONT color="green">287</FONT>            Polygon p3 = new Polygon();<a name="line.287"></a>
<FONT color="green">288</FONT>            p3.addPoint(0, 0);<a name="line.288"></a>
<FONT color="green">289</FONT>            p3.addPoint(-2, -2);<a name="line.289"></a>
<FONT color="green">290</FONT>            p3.addPoint(-2, 2);<a name="line.290"></a>
<FONT color="green">291</FONT>            <a name="line.291"></a>
<FONT color="green">292</FONT>            this.rightArrow = p3;<a name="line.292"></a>
<FONT color="green">293</FONT>    <a name="line.293"></a>
<FONT color="green">294</FONT>            Polygon p4 = new Polygon();<a name="line.294"></a>
<FONT color="green">295</FONT>            p4.addPoint(0, 0);<a name="line.295"></a>
<FONT color="green">296</FONT>            p4.addPoint(2, -2);<a name="line.296"></a>
<FONT color="green">297</FONT>            p4.addPoint(2, 2);<a name="line.297"></a>
<FONT color="green">298</FONT>    <a name="line.298"></a>
<FONT color="green">299</FONT>            this.leftArrow = p4;<a name="line.299"></a>
<FONT color="green">300</FONT>            <a name="line.300"></a>
<FONT color="green">301</FONT>            this.verticalTickLabels = false;<a name="line.301"></a>
<FONT color="green">302</FONT>            <a name="line.302"></a>
<FONT color="green">303</FONT>        }<a name="line.303"></a>
<FONT color="green">304</FONT>    <a name="line.304"></a>
<FONT color="green">305</FONT>        /**<a name="line.305"></a>
<FONT color="green">306</FONT>         * Returns &lt;code&gt;true&lt;/code&gt; if the tick labels should be rotated (to <a name="line.306"></a>
<FONT color="green">307</FONT>         * vertical), and &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.307"></a>
<FONT color="green">308</FONT>         *<a name="line.308"></a>
<FONT color="green">309</FONT>         * @return &lt;code&gt;true&lt;/code&gt; or &lt;code&gt;false&lt;/code&gt;.<a name="line.309"></a>
<FONT color="green">310</FONT>         */<a name="line.310"></a>
<FONT color="green">311</FONT>        public boolean isVerticalTickLabels() {<a name="line.311"></a>
<FONT color="green">312</FONT>            return this.verticalTickLabels;<a name="line.312"></a>
<FONT color="green">313</FONT>        }<a name="line.313"></a>
<FONT color="green">314</FONT>    <a name="line.314"></a>
<FONT color="green">315</FONT>        /**<a name="line.315"></a>
<FONT color="green">316</FONT>         * Sets the flag that controls whether the tick labels are displayed <a name="line.316"></a>
<FONT color="green">317</FONT>         * vertically (that is, rotated 90 degrees from horizontal).  If the flag <a name="line.317"></a>
<FONT color="green">318</FONT>         * is changed, an {@link AxisChangeEvent} is sent to all registered <a name="line.318"></a>
<FONT color="green">319</FONT>         * listeners.<a name="line.319"></a>
<FONT color="green">320</FONT>         *<a name="line.320"></a>
<FONT color="green">321</FONT>         * @param flag  the flag.<a name="line.321"></a>
<FONT color="green">322</FONT>         */<a name="line.322"></a>
<FONT color="green">323</FONT>        public void setVerticalTickLabels(boolean flag) {<a name="line.323"></a>
<FONT color="green">324</FONT>            if (this.verticalTickLabels != flag) {<a name="line.324"></a>
<FONT color="green">325</FONT>                this.verticalTickLabels = flag;<a name="line.325"></a>
<FONT color="green">326</FONT>                notifyListeners(new AxisChangeEvent(this));<a name="line.326"></a>
<FONT color="green">327</FONT>            }<a name="line.327"></a>
<FONT color="green">328</FONT>        }<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>         * Returns a flag that controls whether or not the axis line has an arrow <a name="line.331"></a>
<FONT color="green">332</FONT>         * drawn that points in the positive direction for the axis.<a name="line.332"></a>
<FONT color="green">333</FONT>         * <a name="line.333"></a>
<FONT color="green">334</FONT>         * @return A boolean.<a name="line.334"></a>
<FONT color="green">335</FONT>         */<a name="line.335"></a>
<FONT color="green">336</FONT>        public boolean isPositiveArrowVisible() {<a name="line.336"></a>
<FONT color="green">337</FONT>            return this.positiveArrowVisible;<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>         * Sets a flag that controls whether or not the axis lines has an arrow <a name="line.341"></a>
<FONT color="green">342</FONT>         * drawn that points in the positive direction for the axis, and sends an <a name="line.342"></a>
<FONT color="green">343</FONT>         * {@link AxisChangeEvent} to all registered listeners.<a name="line.343"></a>
<FONT color="green">344</FONT>         * <a name="line.344"></a>
<FONT color="green">345</FONT>         * @param visible  the flag.<a name="line.345"></a>
<FONT color="green">346</FONT>         */<a name="line.346"></a>
<FONT color="green">347</FONT>        public void setPositiveArrowVisible(boolean visible) {<a name="line.347"></a>
<FONT color="green">348</FONT>            this.positiveArrowVisible = visible;<a name="line.348"></a>
<FONT color="green">349</FONT>            notifyListeners(new AxisChangeEvent(this));<a name="line.349"></a>
<FONT color="green">350</FONT>        }<a name="line.350"></a>
<FONT color="green">351</FONT>        <a name="line.351"></a>
<FONT color="green">352</FONT>        /**<a name="line.352"></a>
<FONT color="green">353</FONT>         * Returns a flag that controls whether or not the axis line has an arrow <a name="line.353"></a>
<FONT color="green">354</FONT>         * drawn that points in the negative direction for the axis.<a name="line.354"></a>
<FONT color="green">355</FONT>         * <a name="line.355"></a>
<FONT color="green">356</FONT>         * @return A boolean.<a name="line.356"></a>
<FONT color="green">357</FONT>         */<a name="line.357"></a>
<FONT color="green">358</FONT>        public boolean isNegativeArrowVisible() {<a name="line.358"></a>
<FONT color="green">359</FONT>            return this.negativeArrowVisible;<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>        /**<a name="line.362"></a>
<FONT color="green">363</FONT>         * Sets a flag that controls whether or not the axis lines has an arrow <a name="line.363"></a>
<FONT color="green">364</FONT>         * drawn that points in the negative direction for the axis, and sends an <a name="line.364"></a>
<FONT color="green">365</FONT>         * {@link AxisChangeEvent} to all registered listeners.<a name="line.365"></a>
<FONT color="green">366</FONT>         * <a name="line.366"></a>
<FONT color="green">367</FONT>         * @param visible  the flag.<a name="line.367"></a>
<FONT color="green">368</FONT>         */<a name="line.368"></a>
<FONT color="green">369</FONT>        public void setNegativeArrowVisible(boolean visible) {<a name="line.369"></a>
<FONT color="green">370</FONT>            this.negativeArrowVisible = visible;<a name="line.370"></a>
<FONT color="green">371</FONT>            notifyListeners(new AxisChangeEvent(this));<a name="line.371"></a>
<FONT color="green">372</FONT>        }<a name="line.372"></a>
<FONT color="green">373</FONT>        <a name="line.373"></a>
<FONT color="green">374</FONT>        /**<a name="line.374"></a>
<FONT color="green">375</FONT>         * Returns a shape that can be displayed as an arrow pointing upwards at <a name="line.375"></a>
<FONT color="green">376</FONT>         * the end of an axis line.<a name="line.376"></a>
<FONT color="green">377</FONT>         * <a name="line.377"></a>
<FONT color="green">378</FONT>         * @return A shape (never &lt;code&gt;null&lt;/code&gt;).<a name="line.378"></a>
<FONT color="green">379</FONT>         */<a name="line.379"></a>
<FONT color="green">380</FONT>        public Shape getUpArrow() {<a name="line.380"></a>
<FONT color="green">381</FONT>            return this.upArrow;   <a name="line.381"></a>
<FONT color="green">382</FONT>        }<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>         * Sets the shape that can be displayed as an arrow pointing upwards at <a name="line.385"></a>
<FONT color="green">386</FONT>         * the end of an axis line and sends an {@link AxisChangeEvent} to all <a name="line.386"></a>
<FONT color="green">387</FONT>         * registered listeners.<a name="line.387"></a>
<FONT color="green">388</FONT>         * <a name="line.388"></a>
<FONT color="green">389</FONT>         * @param arrow  the arrow shape (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.389"></a>
<FONT color="green">390</FONT>         */<a name="line.390"></a>
<FONT color="green">391</FONT>        public void setUpArrow(Shape arrow) {<a name="line.391"></a>
<FONT color="green">392</FONT>            if (arrow == null) {<a name="line.392"></a>
<FONT color="green">393</FONT>                throw new IllegalArgumentException("Null 'arrow' argument.");   <a name="line.393"></a>
<FONT color="green">394</FONT>            }<a name="line.394"></a>
<FONT color="green">395</FONT>            this.upArrow = arrow;<a name="line.395"></a>
<FONT color="green">396</FONT>            notifyListeners(new AxisChangeEvent(this));<a name="line.396"></a>
<FONT color="green">397</FONT>        }<a name="line.397"></a>
<FONT color="green">398</FONT>        <a name="line.398"></a>
<FONT color="green">399</FONT>        /**<a name="line.399"></a>
<FONT color="green">400</FONT>         * Returns a shape that can be displayed as an arrow pointing downwards at <a name="line.400"></a>
<FONT color="green">401</FONT>         * the end of an axis line.<a name="line.401"></a>
<FONT color="green">402</FONT>         * <a name="line.402"></a>
<FONT color="green">403</FONT>         * @return A shape (never &lt;code&gt;null&lt;/code&gt;).<a name="line.403"></a>
<FONT color="green">404</FONT>         */<a name="line.404"></a>
<FONT color="green">405</FONT>        public Shape getDownArrow() {<a name="line.405"></a>
<FONT color="green">406</FONT>            return this.downArrow;   <a name="line.406"></a>
<FONT color="green">407</FONT>        }<a name="line.407"></a>
<FONT color="green">408</FONT>        <a name="line.408"></a>
<FONT color="green">409</FONT>        /**<a name="line.409"></a>
<FONT color="green">410</FONT>         * Sets the shape that can be displayed as an arrow pointing downwards at <a name="line.410"></a>
<FONT color="green">411</FONT>         * the end of an axis line and sends an {@link AxisChangeEvent} to all <a name="line.411"></a>
<FONT color="green">412</FONT>         * registered listeners.<a name="line.412"></a>
<FONT color="green">413</FONT>         * <a name="line.413"></a>
<FONT color="green">414</FONT>         * @param arrow  the arrow shape (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.414"></a>
<FONT color="green">415</FONT>         */<a name="line.415"></a>
<FONT color="green">416</FONT>        public void setDownArrow(Shape arrow) {<a name="line.416"></a>
<FONT color="green">417</FONT>            if (arrow == null) {<a name="line.417"></a>
<FONT color="green">418</FONT>                throw new IllegalArgumentException("Null 'arrow' argument.");   <a name="line.418"></a>
<FONT color="green">419</FONT>            }<a name="line.419"></a>
<FONT color="green">420</FONT>            this.downArrow = arrow;<a name="line.420"></a>