cyclicnumberaxis.html

jfreechart1。0。2的api。

<FONT color="green">278</FONT>         *         (default)<a name="line.278"></a>
<FONT color="green">279</FONT>         */<a name="line.279"></a>
<FONT color="green">280</FONT>        public boolean isBoundMappedToLastCycle() {<a name="line.280"></a>
<FONT color="green">281</FONT>            return this.boundMappedToLastCycle;<a name="line.281"></a>
<FONT color="green">282</FONT>        }<a name="line.282"></a>
<FONT color="green">283</FONT>        <a name="line.283"></a>
<FONT color="green">284</FONT>        /**<a name="line.284"></a>
<FONT color="green">285</FONT>         * The cycle bound can be associated either with the current or with the <a name="line.285"></a>
<FONT color="green">286</FONT>         * last cycle.  It's up to the user's choice to decide which, as this is <a name="line.286"></a>
<FONT color="green">287</FONT>         * just a convention. By default, the cycle bound is mapped to the current <a name="line.287"></a>
<FONT color="green">288</FONT>         * cycle. <a name="line.288"></a>
<FONT color="green">289</FONT>         * &lt;br&gt;<a name="line.289"></a>
<FONT color="green">290</FONT>         * Note that this has no effect on visual appearance, as the cycle bound is<a name="line.290"></a>
<FONT color="green">291</FONT>         * mapped successively for both axis ends. Use this function for correct <a name="line.291"></a>
<FONT color="green">292</FONT>         * results in valueToJava2D.<a name="line.292"></a>
<FONT color="green">293</FONT>         *  <a name="line.293"></a>
<FONT color="green">294</FONT>         * @param boundMappedToLastCycle Set it to true to map the cycle bound to <a name="line.294"></a>
<FONT color="green">295</FONT>         *        the last cycle.<a name="line.295"></a>
<FONT color="green">296</FONT>         */<a name="line.296"></a>
<FONT color="green">297</FONT>        public void setBoundMappedToLastCycle(boolean boundMappedToLastCycle) {<a name="line.297"></a>
<FONT color="green">298</FONT>            this.boundMappedToLastCycle = boundMappedToLastCycle;<a name="line.298"></a>
<FONT color="green">299</FONT>        }<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>         * Selects a tick unit when the axis is displayed horizontally.<a name="line.302"></a>
<FONT color="green">303</FONT>         * <a name="line.303"></a>
<FONT color="green">304</FONT>         * @param g2  the graphics device.<a name="line.304"></a>
<FONT color="green">305</FONT>         * @param drawArea  the drawing area.<a name="line.305"></a>
<FONT color="green">306</FONT>         * @param dataArea  the data area.<a name="line.306"></a>
<FONT color="green">307</FONT>         * @param edge  the side of the rectangle on which the axis is displayed.<a name="line.307"></a>
<FONT color="green">308</FONT>         */<a name="line.308"></a>
<FONT color="green">309</FONT>        protected void selectHorizontalAutoTickUnit(Graphics2D g2,<a name="line.309"></a>
<FONT color="green">310</FONT>                                                    Rectangle2D drawArea, <a name="line.310"></a>
<FONT color="green">311</FONT>                                                    Rectangle2D dataArea,<a name="line.311"></a>
<FONT color="green">312</FONT>                                                    RectangleEdge edge) {<a name="line.312"></a>
<FONT color="green">313</FONT>    <a name="line.313"></a>
<FONT color="green">314</FONT>            double tickLabelWidth <a name="line.314"></a>
<FONT color="green">315</FONT>                = estimateMaximumTickLabelWidth(g2, getTickUnit());<a name="line.315"></a>
<FONT color="green">316</FONT>            <a name="line.316"></a>
<FONT color="green">317</FONT>            // Compute number of labels<a name="line.317"></a>
<FONT color="green">318</FONT>            double n = getRange().getLength() <a name="line.318"></a>
<FONT color="green">319</FONT>                       * tickLabelWidth / dataArea.getWidth();<a name="line.319"></a>
<FONT color="green">320</FONT>    <a name="line.320"></a>
<FONT color="green">321</FONT>            setTickUnit(<a name="line.321"></a>
<FONT color="green">322</FONT>                (NumberTickUnit) getStandardTickUnits().getCeilingTickUnit(n), <a name="line.322"></a>
<FONT color="green">323</FONT>                false, false<a name="line.323"></a>
<FONT color="green">324</FONT>            );<a name="line.324"></a>
<FONT color="green">325</FONT>            <a name="line.325"></a>
<FONT color="green">326</FONT>         }<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>         * Selects a tick unit when the axis is displayed vertically.<a name="line.329"></a>
<FONT color="green">330</FONT>         * <a name="line.330"></a>
<FONT color="green">331</FONT>         * @param g2  the graphics device.<a name="line.331"></a>
<FONT color="green">332</FONT>         * @param drawArea  the drawing area.<a name="line.332"></a>
<FONT color="green">333</FONT>         * @param dataArea  the data area.<a name="line.333"></a>
<FONT color="green">334</FONT>         * @param edge  the side of the rectangle on which the axis is displayed.<a name="line.334"></a>
<FONT color="green">335</FONT>         */<a name="line.335"></a>
<FONT color="green">336</FONT>        protected void selectVerticalAutoTickUnit(Graphics2D g2,<a name="line.336"></a>
<FONT color="green">337</FONT>                                                    Rectangle2D drawArea, <a name="line.337"></a>
<FONT color="green">338</FONT>                                                    Rectangle2D dataArea,<a name="line.338"></a>
<FONT color="green">339</FONT>                                                    RectangleEdge edge) {<a name="line.339"></a>
<FONT color="green">340</FONT>    <a name="line.340"></a>
<FONT color="green">341</FONT>            double tickLabelWidth <a name="line.341"></a>
<FONT color="green">342</FONT>                = estimateMaximumTickLabelWidth(g2, getTickUnit());<a name="line.342"></a>
<FONT color="green">343</FONT>    <a name="line.343"></a>
<FONT color="green">344</FONT>            // Compute number of labels<a name="line.344"></a>
<FONT color="green">345</FONT>            double n = getRange().getLength() <a name="line.345"></a>
<FONT color="green">346</FONT>                       * tickLabelWidth / dataArea.getHeight();<a name="line.346"></a>
<FONT color="green">347</FONT>    <a name="line.347"></a>
<FONT color="green">348</FONT>            setTickUnit(<a name="line.348"></a>
<FONT color="green">349</FONT>                (NumberTickUnit) getStandardTickUnits().getCeilingTickUnit(n), <a name="line.349"></a>
<FONT color="green">350</FONT>                false, false<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>         }<a name="line.353"></a>
<FONT color="green">354</FONT>    <a name="line.354"></a>
<FONT color="green">355</FONT>        /** <a name="line.355"></a>
<FONT color="green">356</FONT>         * A special Number tick that also hold information about the cycle bound <a name="line.356"></a>
<FONT color="green">357</FONT>         * mapping for this tick.  This is especially useful for having a tick at <a name="line.357"></a>
<FONT color="green">358</FONT>         * each axis end with the cycle bound value.  See also <a name="line.358"></a>
<FONT color="green">359</FONT>         * isBoundMappedToLastCycle()<a name="line.359"></a>
<FONT color="green">360</FONT>         */<a name="line.360"></a>
<FONT color="green">361</FONT>        protected static class CycleBoundTick extends NumberTick {<a name="line.361"></a>
<FONT color="green">362</FONT>            <a name="line.362"></a>
<FONT color="green">363</FONT>            /** Map to last cycle. */<a name="line.363"></a>
<FONT color="green">364</FONT>            public boolean mapToLastCycle;<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>             * Creates a new tick.<a name="line.367"></a>
<FONT color="green">368</FONT>             * <a name="line.368"></a>
<FONT color="green">369</FONT>             * @param mapToLastCycle  map to last cycle?<a name="line.369"></a>
<FONT color="green">370</FONT>             * @param number  the number.<a name="line.370"></a>
<FONT color="green">371</FONT>             * @param label  the label.<a name="line.371"></a>
<FONT color="green">372</FONT>             * @param textAnchor  the text anchor.<a name="line.372"></a>
<FONT color="green">373</FONT>             * @param rotationAnchor  the rotation anchor.<a name="line.373"></a>
<FONT color="green">374</FONT>             * @param angle  the rotation angle.<a name="line.374"></a>
<FONT color="green">375</FONT>             */<a name="line.375"></a>
<FONT color="green">376</FONT>            public CycleBoundTick(boolean mapToLastCycle, Number number, <a name="line.376"></a>
<FONT color="green">377</FONT>                                  String label, TextAnchor textAnchor,<a name="line.377"></a>
<FONT color="green">378</FONT>                                  TextAnchor rotationAnchor, double angle) {<a name="line.378"></a>
<FONT color="green">379</FONT>                super(number, label, textAnchor, rotationAnchor, angle);<a name="line.379"></a>
<FONT color="green">380</FONT>                this.mapToLastCycle = mapToLastCycle;<a name="line.380"></a>
<FONT color="green">381</FONT>            }<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>         * Calculates the anchor point for a tick.<a name="line.385"></a>
<FONT color="green">386</FONT>         * <a name="line.386"></a>
<FONT color="green">387</FONT>         * @param tick  the tick.<a name="line.387"></a>
<FONT color="green">388</FONT>         * @param cursor  the cursor.<a name="line.388"></a>
<FONT color="green">389</FONT>         * @param dataArea  the data area.<a name="line.389"></a>
<FONT color="green">390</FONT>         * @param edge  the side on which the axis is displayed.<a name="line.390"></a>
<FONT color="green">391</FONT>         * <a name="line.391"></a>
<FONT color="green">392</FONT>         * @return The anchor point.<a name="line.392"></a>
<FONT color="green">393</FONT>         */<a name="line.393"></a>
<FONT color="green">394</FONT>        protected float[] calculateAnchorPoint(ValueTick tick, double cursor, <a name="line.394"></a>
<FONT color="green">395</FONT>                                               Rectangle2D dataArea, <a name="line.395"></a>
<FONT color="green">396</FONT>                                               RectangleEdge edge) {<a name="line.396"></a>
<FONT color="green">397</FONT>            if (tick instanceof CycleBoundTick) {<a name="line.397"></a>
<FONT color="green">398</FONT>                boolean mapsav = this.boundMappedToLastCycle;<a name="line.398"></a>
<FONT color="green">399</FONT>                this.boundMappedToLastCycle <a name="line.399"></a>
<FONT color="green">400</FONT>                    = ((CycleBoundTick) tick).mapToLastCycle;<a name="line.400"></a>
<FONT color="green">401</FONT>                float[] ret = super.calculateAnchorPoint(<a name="line.401"></a>
<FONT color="green">402</FONT>                    tick, cursor, dataArea, edge<a name="line.402"></a>
<FONT color="green">403</FONT>                );<a name="line.403"></a>
<FONT color="green">404</FONT>                this.boundMappedToLastCycle = mapsav;<a name="line.404"></a>
<FONT color="green">405</FONT>                return ret;<a name="line.405"></a>
<FONT color="green">406</FONT>            }<a name="line.406"></a>
<FONT color="green">407</FONT>            return super.calculateAnchorPoint(tick, cursor, dataArea, edge);<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>        <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>         * Builds a list of ticks for the axis.  This method is called when the <a name="line.413"></a>
<FONT color="green">414</FONT>         * axis is at the top or bottom of the chart (so the axis is "horizontal").<a name="line.414"></a>
<FONT color="green">415</FONT>         * <a name="line.415"></a>
<FONT color="green">416</FONT>         * @param g2  the graphics device.<a name="line.416"></a>
<FONT color="green">417</FONT>         * @param dataArea  the data area.<a name="line.417"></a>