stackedxyarearenderer.html

jfreechart1。0。2的api。

<FONT color="green">439</FONT>                }<a name="line.439"></a>
<FONT color="green">440</FONT>                else if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.440"></a>
<FONT color="green">441</FONT>                    areaState.getSeriesArea().addPoint((int) transY1, <a name="line.441"></a>
<FONT color="green">442</FONT>                            (int) transX1);<a name="line.442"></a>
<FONT color="green">443</FONT>                }<a name="line.443"></a>
<FONT color="green">444</FONT>    <a name="line.444"></a>
<FONT color="green">445</FONT>                if (getPlotLines()) {<a name="line.445"></a>
<FONT color="green">446</FONT>                    if (item &gt; 0) {<a name="line.446"></a>
<FONT color="green">447</FONT>                        // get the previous data point...<a name="line.447"></a>
<FONT color="green">448</FONT>                        double x0 = dataset.getXValue(series, item - 1);<a name="line.448"></a>
<FONT color="green">449</FONT>                        double y0 = dataset.getYValue(series, item - 1);<a name="line.449"></a>
<FONT color="green">450</FONT>                        double ph0 = getPreviousHeight(tdataset, series, item - 1);<a name="line.450"></a>
<FONT color="green">451</FONT>                        double transX0 = domainAxis.valueToJava2D(x0, dataArea, <a name="line.451"></a>
<FONT color="green">452</FONT>                                plot.getDomainAxisEdge());<a name="line.452"></a>
<FONT color="green">453</FONT>                        double transY0 = rangeAxis.valueToJava2D(y0 + ph0, <a name="line.453"></a>
<FONT color="green">454</FONT>                                dataArea, plot.getRangeAxisEdge());<a name="line.454"></a>
<FONT color="green">455</FONT>    <a name="line.455"></a>
<FONT color="green">456</FONT>                        if (orientation == PlotOrientation.VERTICAL) {<a name="line.456"></a>
<FONT color="green">457</FONT>                            areaState.getLine().setLine(transX0, transY0, transX1, <a name="line.457"></a>
<FONT color="green">458</FONT>                                    transY1);<a name="line.458"></a>
<FONT color="green">459</FONT>                        }<a name="line.459"></a>
<FONT color="green">460</FONT>                        else if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.460"></a>
<FONT color="green">461</FONT>                            areaState.getLine().setLine(transY0, transX0, transY1, <a name="line.461"></a>
<FONT color="green">462</FONT>                                    transX1);<a name="line.462"></a>
<FONT color="green">463</FONT>                        }<a name="line.463"></a>
<FONT color="green">464</FONT>                        g2.draw(areaState.getLine());<a name="line.464"></a>
<FONT color="green">465</FONT>                    }<a name="line.465"></a>
<FONT color="green">466</FONT>                }<a name="line.466"></a>
<FONT color="green">467</FONT>    <a name="line.467"></a>
<FONT color="green">468</FONT>                // Check if the item is the last item for the series and number of <a name="line.468"></a>
<FONT color="green">469</FONT>                // items &gt; 0.  We can't draw an area for a single point.<a name="line.469"></a>
<FONT color="green">470</FONT>                if (getPlotArea() &amp;&amp; item &gt; 0 &amp;&amp; item == (itemCount - 1)) {<a name="line.470"></a>
<FONT color="green">471</FONT>    <a name="line.471"></a>
<FONT color="green">472</FONT>                    double transY2 = rangeAxis.valueToJava2D(ph1, dataArea, <a name="line.472"></a>
<FONT color="green">473</FONT>                            plot.getRangeAxisEdge());<a name="line.473"></a>
<FONT color="green">474</FONT>    <a name="line.474"></a>
<FONT color="green">475</FONT>                    if (orientation == PlotOrientation.VERTICAL) {<a name="line.475"></a>
<FONT color="green">476</FONT>                        // Add the last point (x,0)<a name="line.476"></a>
<FONT color="green">477</FONT>                        areaState.getSeriesArea().addPoint((int) transX1, <a name="line.477"></a>
<FONT color="green">478</FONT>                                (int) transY2);<a name="line.478"></a>
<FONT color="green">479</FONT>                    }<a name="line.479"></a>
<FONT color="green">480</FONT>                    else if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.480"></a>
<FONT color="green">481</FONT>                        // Add the last point (x,0)<a name="line.481"></a>
<FONT color="green">482</FONT>                        areaState.getSeriesArea().addPoint((int) transY2, <a name="line.482"></a>
<FONT color="green">483</FONT>                                (int) transX1);<a name="line.483"></a>
<FONT color="green">484</FONT>                    }<a name="line.484"></a>
<FONT color="green">485</FONT>    <a name="line.485"></a>
<FONT color="green">486</FONT>                    // Add points from last series to complete the base of the <a name="line.486"></a>
<FONT color="green">487</FONT>                    // polygon<a name="line.487"></a>
<FONT color="green">488</FONT>                    if (series != 0) {<a name="line.488"></a>
<FONT color="green">489</FONT>                        Stack points = areaState.getLastSeriesPoints();<a name="line.489"></a>
<FONT color="green">490</FONT>                        while (!points.empty()) {<a name="line.490"></a>
<FONT color="green">491</FONT>                            Point point = (Point) points.pop();<a name="line.491"></a>
<FONT color="green">492</FONT>                            areaState.getSeriesArea().addPoint((int) point.getX(), <a name="line.492"></a>
<FONT color="green">493</FONT>                                    (int) point.getY());<a name="line.493"></a>
<FONT color="green">494</FONT>                        }<a name="line.494"></a>
<FONT color="green">495</FONT>                    }<a name="line.495"></a>
<FONT color="green">496</FONT>    <a name="line.496"></a>
<FONT color="green">497</FONT>                    //  Fill the polygon<a name="line.497"></a>
<FONT color="green">498</FONT>                    g2.setPaint(seriesPaint);<a name="line.498"></a>
<FONT color="green">499</FONT>                    g2.setStroke(seriesStroke);<a name="line.499"></a>
<FONT color="green">500</FONT>                    g2.fill(areaState.getSeriesArea());<a name="line.500"></a>
<FONT color="green">501</FONT>    <a name="line.501"></a>
<FONT color="green">502</FONT>                    //  Draw an outline around the Area.<a name="line.502"></a>
<FONT color="green">503</FONT>                    if (isOutline()) {<a name="line.503"></a>
<FONT color="green">504</FONT>                        g2.setStroke(getSeriesOutlineStroke(series));<a name="line.504"></a>
<FONT color="green">505</FONT>                        g2.setPaint(getSeriesOutlinePaint(series));<a name="line.505"></a>
<FONT color="green">506</FONT>                        g2.draw(areaState.getSeriesArea());<a name="line.506"></a>
<FONT color="green">507</FONT>                    }<a name="line.507"></a>
<FONT color="green">508</FONT>                }<a name="line.508"></a>
<FONT color="green">509</FONT>    <a name="line.509"></a>
<FONT color="green">510</FONT>                updateCrosshairValues(crosshairState, x1, y1, transX1, transY1, <a name="line.510"></a>
<FONT color="green">511</FONT>                        orientation);<a name="line.511"></a>
<FONT color="green">512</FONT>    <a name="line.512"></a>
<FONT color="green">513</FONT>            } <a name="line.513"></a>
<FONT color="green">514</FONT>            else if (pass == 1) {<a name="line.514"></a>
<FONT color="green">515</FONT>                // On second pass render shapes and collect entity and tooltip <a name="line.515"></a>
<FONT color="green">516</FONT>                // information<a name="line.516"></a>
<FONT color="green">517</FONT>    <a name="line.517"></a>
<FONT color="green">518</FONT>                Shape shape = null;<a name="line.518"></a>
<FONT color="green">519</FONT>                if (getPlotShapes()) {<a name="line.519"></a>
<FONT color="green">520</FONT>                    shape = getItemShape(series, item);<a name="line.520"></a>
<FONT color="green">521</FONT>                    if (plot.getOrientation() == PlotOrientation.VERTICAL) {<a name="line.521"></a>
<FONT color="green">522</FONT>                        shape = ShapeUtilities.createTranslatedShape(shape, <a name="line.522"></a>
<FONT color="green">523</FONT>                                transX1, transY1);<a name="line.523"></a>
<FONT color="green">524</FONT>                    } <a name="line.524"></a>
<FONT color="green">525</FONT>                    else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {<a name="line.525"></a>
<FONT color="green">526</FONT>                        shape = ShapeUtilities.createTranslatedShape(shape, <a name="line.526"></a>
<FONT color="green">527</FONT>                                transY1, transX1);<a name="line.527"></a>
<FONT color="green">528</FONT>                    }<a name="line.528"></a>
<FONT color="green">529</FONT>                    if (!nullPoint) {<a name="line.529"></a>
<FONT color="green">530</FONT>                        if (getShapePaint() != null) {<a name="line.530"></a>
<FONT color="green">531</FONT>                            g2.setPaint(getShapePaint());<a name="line.531"></a>
<FONT color="green">532</FONT>                        } <a name="line.532"></a>
<FONT color="green">533</FONT>                        else {<a name="line.533"></a>
<FONT color="green">534</FONT>                            g2.setPaint(seriesPaint);<a name="line.534"></a>
<FONT color="green">535</FONT>                        }<a name="line.535"></a>
<FONT color="green">536</FONT>                        if (getShapeStroke() != null) {<a name="line.536"></a>
<FONT color="green">537</FONT>                            g2.setStroke(getShapeStroke());<a name="line.537"></a>
<FONT color="green">538</FONT>                        } <a name="line.538"></a>
<FONT color="green">539</FONT>                        else {<a name="line.539"></a>
<FONT color="green">540</FONT>                            g2.setStroke(seriesStroke);<a name="line.540"></a>
<FONT color="green">541</FONT>                        }<a name="line.541"></a>
<FONT color="green">542</FONT>                        g2.draw(shape);<a name="line.542"></a>
<FONT color="green">543</FONT>                    }<a name="line.543"></a>
<FONT color="green">544</FONT>                } <a name="line.544"></a>
<FONT color="green">545</FONT>                else {<a name="line.545"></a>
<FONT color="green">546</FONT>                    if (plot.getOrientation() == PlotOrientation.VERTICAL) {<a name="line.546"></a>
<FONT color="green">547</FONT>                        shape = new Rectangle2D.Double(transX1 - 3, transY1 - 3, <a name="line.547"></a>
<FONT color="green">548</FONT>                                6.0, 6.0);<a name="line.548"></a>
<FONT color="green">549</FONT>                    } <a name="line.549"></a>
<FONT color="green">550</FONT>                    else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {<a name="line.550"></a>
<FONT color="green">551</FONT>                        shape = new Rectangle2D.Double(transY1 - 3, transX1 - 3, <a name="line.551"></a>
<FONT color="green">552</FONT>                                6.0, 6.0);<a name="line.552"></a>
<FONT color="green">553</FONT>                    }<a name="line.553"></a>
<FONT color="green">554</FONT>                }<a name="line.554"></a>
<FONT color="green">555</FONT>    <a name="line.555"></a>
<FONT color="green">556</FONT>                // collect entity and tool tip information...<a name="line.556"></a>
<FONT color="green">557</FONT>                if (state.getInfo() != null) {<a name="line.557"></a>
<FONT color="green">558</FONT>                    EntityCollection entities = state.getEntityCollection();<a name="line.558"></a>
<FONT color="green">559</FONT>                    if (entities != null &amp;&amp; shape != null &amp;&amp; !nullPoint) {<a name="line.559"></a>
<FONT color="green">560</FONT>                        String tip = null;<a name="line.560"></a>
<FONT color="green">561</FONT>                        XYToolTipGenerator generator <a name="line.561"></a>
<FONT color="green">562</FONT>                            = getToolTipGenerator(series, item);<a name="line.562"></a>
<FONT color="green">563</FONT>                        if (generator != null) {<a name="line.563"></a>
<FONT color="green">564</FONT>                            tip = generator.generateToolTip(dataset, series, item);<a name="line.564"></a>
<FONT color="green">565</FONT>                        }<a name="line.565"></a>
<FONT color="green">566</FONT>                        String url = null;<a name="line.566"></a>
<FONT color="green">567</FONT>                        if (getURLGenerator() != null) {<a name="line.567"></a>
<FONT color="green">568</FONT>                            url = getURLGenerator().generateURL(dataset, series, <a name="line.568"></a>
<FONT color="green">569</FONT>                                    item);<a name="line.569"></a>
<FONT color="green">570</FONT>                        }<a name="line.570"></a>
<FONT color="green">571</FONT>                        XYItemEntity entity = new XYItemEntity(shape, dataset, <a name="line.571"></a>
<FONT color="green">572</FONT>                                series, item, tip, url);<a name="line.572"></a>
<FONT color="green">573</FONT>                        entities.add(entity);<a name="line.573"></a>
<FONT color="green">574</FONT>                    }<a name="line.574"></a>
<FONT color="green">575</FONT>                }<a name="line.575"></a>
<FONT color="green">576</FONT>    <a name="line.576"></a>
<FONT color="green">577</FONT>            }<a name="line.577"></a>
<FONT color="green">578</FONT>        }<a name="line.578"></a>
<FONT color="green">579</FONT>    <a name="line.579"></a>
<FONT color="green">580</FONT>        /**<a name="line.580"></a>
<FONT color="green">581</FONT>         * Calculates the stacked value of the all series up to, but not including <a name="line.581"></a>
<FONT color="green">582</FONT>         * &lt;code&gt;series&lt;/code&gt; for the specified item. It returns 0.0 if <a name="line.582"></a>
<FONT color="green">583</FONT>         * &lt;code&gt;series&lt;/code&gt; is the first series, i.e. 0.<a name="line.583"></a>
<FONT color="green">584</FONT>         *<a name="line.584"></a>
<FONT color="green">585</FONT>         * @param dataset  the dataset.<a name="line.585"></a>