linerenderer3d.html

jfreechart1。0。2的api。

<FONT color="green">478</FONT>    <a name="line.478"></a>
<FONT color="green">479</FONT>            if (!getItemVisible(row, column)) {<a name="line.479"></a>
<FONT color="green">480</FONT>                return;   <a name="line.480"></a>
<FONT color="green">481</FONT>            }<a name="line.481"></a>
<FONT color="green">482</FONT>            <a name="line.482"></a>
<FONT color="green">483</FONT>            // nothing is drawn for null...<a name="line.483"></a>
<FONT color="green">484</FONT>            Number v = dataset.getValue(row, column);<a name="line.484"></a>
<FONT color="green">485</FONT>            if (v == null) {<a name="line.485"></a>
<FONT color="green">486</FONT>                return;<a name="line.486"></a>
<FONT color="green">487</FONT>            }<a name="line.487"></a>
<FONT color="green">488</FONT>           <a name="line.488"></a>
<FONT color="green">489</FONT>            Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX(),<a name="line.489"></a>
<FONT color="green">490</FONT>                    dataArea.getY() + getYOffset(), <a name="line.490"></a>
<FONT color="green">491</FONT>                    dataArea.getWidth() - getXOffset(),<a name="line.491"></a>
<FONT color="green">492</FONT>                    dataArea.getHeight() - getYOffset());<a name="line.492"></a>
<FONT color="green">493</FONT>           <a name="line.493"></a>
<FONT color="green">494</FONT>            PlotOrientation orientation = plot.getOrientation();<a name="line.494"></a>
<FONT color="green">495</FONT>    <a name="line.495"></a>
<FONT color="green">496</FONT>            // current data point...<a name="line.496"></a>
<FONT color="green">497</FONT>            double x1 = domainAxis.getCategoryMiddle(column, getColumnCount(), <a name="line.497"></a>
<FONT color="green">498</FONT>                    adjusted, plot.getDomainAxisEdge());<a name="line.498"></a>
<FONT color="green">499</FONT>            double value = v.doubleValue();<a name="line.499"></a>
<FONT color="green">500</FONT>            double y1 = rangeAxis.valueToJava2D(value, adjusted, <a name="line.500"></a>
<FONT color="green">501</FONT>                    plot.getRangeAxisEdge());<a name="line.501"></a>
<FONT color="green">502</FONT>    <a name="line.502"></a>
<FONT color="green">503</FONT>            Shape shape = getItemShape(row, column);<a name="line.503"></a>
<FONT color="green">504</FONT>            if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.504"></a>
<FONT color="green">505</FONT>                shape = ShapeUtilities.createTranslatedShape(shape, y1, x1);<a name="line.505"></a>
<FONT color="green">506</FONT>            }<a name="line.506"></a>
<FONT color="green">507</FONT>            else if (orientation == PlotOrientation.VERTICAL) {<a name="line.507"></a>
<FONT color="green">508</FONT>                shape = ShapeUtilities.createTranslatedShape(shape, x1, y1);<a name="line.508"></a>
<FONT color="green">509</FONT>            }<a name="line.509"></a>
<FONT color="green">510</FONT>           <a name="line.510"></a>
<FONT color="green">511</FONT>            if (getItemLineVisible(row, column)) {<a name="line.511"></a>
<FONT color="green">512</FONT>                if (column != 0) {<a name="line.512"></a>
<FONT color="green">513</FONT>    <a name="line.513"></a>
<FONT color="green">514</FONT>                    Number previousValue = dataset.getValue(row, column - 1);<a name="line.514"></a>
<FONT color="green">515</FONT>                    if (previousValue != null) {<a name="line.515"></a>
<FONT color="green">516</FONT>    <a name="line.516"></a>
<FONT color="green">517</FONT>                        // previous data point...<a name="line.517"></a>
<FONT color="green">518</FONT>                        double previous = previousValue.doubleValue();<a name="line.518"></a>
<FONT color="green">519</FONT>                        double x0 = domainAxis.getCategoryMiddle(column - 1, <a name="line.519"></a>
<FONT color="green">520</FONT>                                getColumnCount(), adjusted, <a name="line.520"></a>
<FONT color="green">521</FONT>                                plot.getDomainAxisEdge());<a name="line.521"></a>
<FONT color="green">522</FONT>                        double y0 = rangeAxis.valueToJava2D(previous, adjusted, <a name="line.522"></a>
<FONT color="green">523</FONT>                                plot.getRangeAxisEdge());<a name="line.523"></a>
<FONT color="green">524</FONT>    <a name="line.524"></a>
<FONT color="green">525</FONT>                        double x2 = x0 + getXOffset();<a name="line.525"></a>
<FONT color="green">526</FONT>                        double y2 = y0 - getYOffset();<a name="line.526"></a>
<FONT color="green">527</FONT>                        double x3 = x1 + getXOffset();<a name="line.527"></a>
<FONT color="green">528</FONT>                        double y3 = y1 - getYOffset();<a name="line.528"></a>
<FONT color="green">529</FONT>                       <a name="line.529"></a>
<FONT color="green">530</FONT>                        GeneralPath clip = new GeneralPath();<a name="line.530"></a>
<FONT color="green">531</FONT>                       <a name="line.531"></a>
<FONT color="green">532</FONT>                        if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.532"></a>
<FONT color="green">533</FONT>                            clip.moveTo((float) y0, (float) x0);<a name="line.533"></a>
<FONT color="green">534</FONT>                            clip.lineTo((float) y1, (float) x1);<a name="line.534"></a>
<FONT color="green">535</FONT>                            clip.lineTo((float) y3, (float) x3);<a name="line.535"></a>
<FONT color="green">536</FONT>                            clip.lineTo((float) y2, (float) x2);<a name="line.536"></a>
<FONT color="green">537</FONT>                            clip.lineTo((float) y0, (float) x0);<a name="line.537"></a>
<FONT color="green">538</FONT>                            clip.closePath();<a name="line.538"></a>
<FONT color="green">539</FONT>                        }<a name="line.539"></a>
<FONT color="green">540</FONT>                        else if (orientation == PlotOrientation.VERTICAL) {<a name="line.540"></a>
<FONT color="green">541</FONT>                            clip.moveTo((float) x0, (float) y0);<a name="line.541"></a>
<FONT color="green">542</FONT>                            clip.lineTo((float) x1, (float) y1);<a name="line.542"></a>
<FONT color="green">543</FONT>                            clip.lineTo((float) x3, (float) y3);<a name="line.543"></a>
<FONT color="green">544</FONT>                            clip.lineTo((float) x2, (float) y2);<a name="line.544"></a>
<FONT color="green">545</FONT>                            clip.lineTo((float) x0, (float) y0);<a name="line.545"></a>
<FONT color="green">546</FONT>                            clip.closePath();<a name="line.546"></a>
<FONT color="green">547</FONT>                        }<a name="line.547"></a>
<FONT color="green">548</FONT>                       <a name="line.548"></a>
<FONT color="green">549</FONT>                        g2.setPaint(getItemPaint(row, column));<a name="line.549"></a>
<FONT color="green">550</FONT>                        g2.fill(clip);<a name="line.550"></a>
<FONT color="green">551</FONT>                        g2.setStroke(getItemOutlineStroke(row, column));<a name="line.551"></a>
<FONT color="green">552</FONT>                        g2.setPaint(getItemOutlinePaint(row, column));<a name="line.552"></a>
<FONT color="green">553</FONT>                        g2.draw(clip);<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>            }<a name="line.556"></a>
<FONT color="green">557</FONT>    <a name="line.557"></a>
<FONT color="green">558</FONT>            // draw the item label if there is one...<a name="line.558"></a>
<FONT color="green">559</FONT>            if (isItemLabelVisible(row, column)) {<a name="line.559"></a>
<FONT color="green">560</FONT>                drawItemLabel(g2, orientation, dataset, row, column, x1, y1, <a name="line.560"></a>
<FONT color="green">561</FONT>                        (value &lt; 0.0));<a name="line.561"></a>
<FONT color="green">562</FONT>            }<a name="line.562"></a>
<FONT color="green">563</FONT>    <a name="line.563"></a>
<FONT color="green">564</FONT>            // add an item entity, if this information is being collected<a name="line.564"></a>
<FONT color="green">565</FONT>            EntityCollection entities = state.getEntityCollection();<a name="line.565"></a>
<FONT color="green">566</FONT>            if (entities != null) {<a name="line.566"></a>
<FONT color="green">567</FONT>                addItemEntity(entities, dataset, row, column, shape);<a name="line.567"></a>
<FONT color="green">568</FONT>            }<a name="line.568"></a>
<FONT color="green">569</FONT>    <a name="line.569"></a>
<FONT color="green">570</FONT>        }<a name="line.570"></a>
<FONT color="green">571</FONT>    <a name="line.571"></a>
<FONT color="green">572</FONT>    }<a name="line.572"></a>




























































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