candlestickrenderer.html

jfreechart1。0。2的api。

<FONT color="green">562</FONT>            double yyClose = rangeAxis.valueToJava2D(yClose, dataArea, edge);<a name="line.562"></a>
<FONT color="green">563</FONT>    <a name="line.563"></a>
<FONT color="green">564</FONT>            double volumeWidth;<a name="line.564"></a>
<FONT color="green">565</FONT>            double stickWidth;<a name="line.565"></a>
<FONT color="green">566</FONT>            if (this.candleWidth &gt; 0) {<a name="line.566"></a>
<FONT color="green">567</FONT>                // These are deliberately not bounded to minimums/maxCandleWidth to<a name="line.567"></a>
<FONT color="green">568</FONT>                //  retain old behaviour.<a name="line.568"></a>
<FONT color="green">569</FONT>                volumeWidth = this.candleWidth;<a name="line.569"></a>
<FONT color="green">570</FONT>                stickWidth = this.candleWidth;<a name="line.570"></a>
<FONT color="green">571</FONT>            }<a name="line.571"></a>
<FONT color="green">572</FONT>            else {<a name="line.572"></a>
<FONT color="green">573</FONT>                double xxWidth = 0;<a name="line.573"></a>
<FONT color="green">574</FONT>                int itemCount;<a name="line.574"></a>
<FONT color="green">575</FONT>                switch (this.autoWidthMethod) {<a name="line.575"></a>
<FONT color="green">576</FONT>                <a name="line.576"></a>
<FONT color="green">577</FONT>                    case WIDTHMETHOD_AVERAGE:<a name="line.577"></a>
<FONT color="green">578</FONT>                        itemCount = highLowData.getItemCount(series);<a name="line.578"></a>
<FONT color="green">579</FONT>                        if (horiz) {<a name="line.579"></a>
<FONT color="green">580</FONT>                            xxWidth = dataArea.getHeight() / itemCount;<a name="line.580"></a>
<FONT color="green">581</FONT>                        }<a name="line.581"></a>
<FONT color="green">582</FONT>                        else {<a name="line.582"></a>
<FONT color="green">583</FONT>                            xxWidth = dataArea.getWidth() / itemCount;<a name="line.583"></a>
<FONT color="green">584</FONT>                        }<a name="line.584"></a>
<FONT color="green">585</FONT>                        break;<a name="line.585"></a>
<FONT color="green">586</FONT>                <a name="line.586"></a>
<FONT color="green">587</FONT>                    case WIDTHMETHOD_SMALLEST:<a name="line.587"></a>
<FONT color="green">588</FONT>                        // Note: It would be nice to pre-calculate this per series<a name="line.588"></a>
<FONT color="green">589</FONT>                        itemCount = highLowData.getItemCount(series);<a name="line.589"></a>
<FONT color="green">590</FONT>                        double lastPos = -1;<a name="line.590"></a>
<FONT color="green">591</FONT>                        xxWidth = dataArea.getWidth();<a name="line.591"></a>
<FONT color="green">592</FONT>                        for (int i = 0; i &lt; itemCount; i++) {<a name="line.592"></a>
<FONT color="green">593</FONT>                            double pos = domainAxis.valueToJava2D(<a name="line.593"></a>
<FONT color="green">594</FONT>                                highLowData.getXValue(series, i), dataArea, <a name="line.594"></a>
<FONT color="green">595</FONT>                                domainEdge<a name="line.595"></a>
<FONT color="green">596</FONT>                            );<a name="line.596"></a>
<FONT color="green">597</FONT>                            if (lastPos != -1) {<a name="line.597"></a>
<FONT color="green">598</FONT>                                xxWidth = Math.min(<a name="line.598"></a>
<FONT color="green">599</FONT>                                    xxWidth, Math.abs(pos - lastPos)<a name="line.599"></a>
<FONT color="green">600</FONT>                                );<a name="line.600"></a>
<FONT color="green">601</FONT>                            }<a name="line.601"></a>
<FONT color="green">602</FONT>                            lastPos = pos;<a name="line.602"></a>
<FONT color="green">603</FONT>                        }<a name="line.603"></a>
<FONT color="green">604</FONT>                        break;<a name="line.604"></a>
<FONT color="green">605</FONT>                <a name="line.605"></a>
<FONT color="green">606</FONT>                    case WIDTHMETHOD_INTERVALDATA:<a name="line.606"></a>
<FONT color="green">607</FONT>                        IntervalXYDataset intervalXYData <a name="line.607"></a>
<FONT color="green">608</FONT>                            = (IntervalXYDataset) dataset;<a name="line.608"></a>
<FONT color="green">609</FONT>                        double startPos = domainAxis.valueToJava2D(<a name="line.609"></a>
<FONT color="green">610</FONT>                            intervalXYData.getStartXValue(series, item), dataArea, <a name="line.610"></a>
<FONT color="green">611</FONT>                            plot.getDomainAxisEdge()<a name="line.611"></a>
<FONT color="green">612</FONT>                        );<a name="line.612"></a>
<FONT color="green">613</FONT>                        double endPos = domainAxis.valueToJava2D(<a name="line.613"></a>
<FONT color="green">614</FONT>                            intervalXYData.getEndXValue(series, item), dataArea, <a name="line.614"></a>
<FONT color="green">615</FONT>                            plot.getDomainAxisEdge()<a name="line.615"></a>
<FONT color="green">616</FONT>                        );<a name="line.616"></a>
<FONT color="green">617</FONT>                        xxWidth = Math.abs(endPos - startPos);<a name="line.617"></a>
<FONT color="green">618</FONT>                        break;<a name="line.618"></a>
<FONT color="green">619</FONT>                    <a name="line.619"></a>
<FONT color="green">620</FONT>                }<a name="line.620"></a>
<FONT color="green">621</FONT>                xxWidth -= 2 * this.autoWidthGap;<a name="line.621"></a>
<FONT color="green">622</FONT>                xxWidth *= this.autoWidthFactor;<a name="line.622"></a>
<FONT color="green">623</FONT>                xxWidth = Math.min(xxWidth, this.maxCandleWidth);<a name="line.623"></a>
<FONT color="green">624</FONT>                volumeWidth = Math.max(Math.min(1, this.maxCandleWidth), xxWidth);<a name="line.624"></a>
<FONT color="green">625</FONT>                stickWidth = Math.max(Math.min(3, this.maxCandleWidth), xxWidth);<a name="line.625"></a>
<FONT color="green">626</FONT>            }<a name="line.626"></a>
<FONT color="green">627</FONT>    <a name="line.627"></a>
<FONT color="green">628</FONT>            Paint p = getItemPaint(series, item);<a name="line.628"></a>
<FONT color="green">629</FONT>            Stroke s = getItemStroke(series, item);<a name="line.629"></a>
<FONT color="green">630</FONT>    <a name="line.630"></a>
<FONT color="green">631</FONT>            g2.setStroke(s);<a name="line.631"></a>
<FONT color="green">632</FONT>    <a name="line.632"></a>
<FONT color="green">633</FONT>            if (this.drawVolume) {<a name="line.633"></a>
<FONT color="green">634</FONT>                int volume = (int) highLowData.getVolumeValue(series, item);<a name="line.634"></a>
<FONT color="green">635</FONT>                double volumeHeight = volume / this.maxVolume;<a name="line.635"></a>
<FONT color="green">636</FONT>    <a name="line.636"></a>
<FONT color="green">637</FONT>                double min, max;<a name="line.637"></a>
<FONT color="green">638</FONT>                if (horiz) {<a name="line.638"></a>
<FONT color="green">639</FONT>                    min = dataArea.getMinX();<a name="line.639"></a>
<FONT color="green">640</FONT>                    max = dataArea.getMaxX();<a name="line.640"></a>
<FONT color="green">641</FONT>                }<a name="line.641"></a>
<FONT color="green">642</FONT>                else {<a name="line.642"></a>
<FONT color="green">643</FONT>                    min = dataArea.getMinY();<a name="line.643"></a>
<FONT color="green">644</FONT>                    max = dataArea.getMaxY();<a name="line.644"></a>
<FONT color="green">645</FONT>                }<a name="line.645"></a>
<FONT color="green">646</FONT>    <a name="line.646"></a>
<FONT color="green">647</FONT>                double zzVolume = volumeHeight * (max - min);<a name="line.647"></a>
<FONT color="green">648</FONT>    <a name="line.648"></a>
<FONT color="green">649</FONT>                g2.setPaint(Color.gray);<a name="line.649"></a>
<FONT color="green">650</FONT>                Composite originalComposite = g2.getComposite();<a name="line.650"></a>
<FONT color="green">651</FONT>                g2.setComposite(<a name="line.651"></a>
<FONT color="green">652</FONT>                    AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f)<a name="line.652"></a>
<FONT color="green">653</FONT>                );<a name="line.653"></a>
<FONT color="green">654</FONT>    <a name="line.654"></a>
<FONT color="green">655</FONT>                if (horiz) {<a name="line.655"></a>
<FONT color="green">656</FONT>                    g2.fill(new Rectangle2D.Double(min,<a name="line.656"></a>
<FONT color="green">657</FONT>                                                   xx - volumeWidth / 2,<a name="line.657"></a>
<FONT color="green">658</FONT>                                                   zzVolume, volumeWidth));<a name="line.658"></a>
<FONT color="green">659</FONT>                }<a name="line.659"></a>
<FONT color="green">660</FONT>                else {<a name="line.660"></a>
<FONT color="green">661</FONT>                    g2.fill(<a name="line.661"></a>
<FONT color="green">662</FONT>                        new Rectangle2D.Double(<a name="line.662"></a>
<FONT color="green">663</FONT>                            xx - volumeWidth / 2,<a name="line.663"></a>
<FONT color="green">664</FONT>                            max - zzVolume, volumeWidth, zzVolume<a name="line.664"></a>
<FONT color="green">665</FONT>                        )<a name="line.665"></a>
<FONT color="green">666</FONT>                    );<a name="line.666"></a>
<FONT color="green">667</FONT>                }<a name="line.667"></a>
<FONT color="green">668</FONT>    <a name="line.668"></a>
<FONT color="green">669</FONT>                g2.setComposite(originalComposite);<a name="line.669"></a>
<FONT color="green">670</FONT>            }<a name="line.670"></a>
<FONT color="green">671</FONT>    <a name="line.671"></a>
<FONT color="green">672</FONT>            g2.setPaint(p);<a name="line.672"></a>
<FONT color="green">673</FONT>    <a name="line.673"></a>
<FONT color="green">674</FONT>            double yyMaxOpenClose = Math.max(yyOpen, yyClose);<a name="line.674"></a>
<FONT color="green">675</FONT>            double yyMinOpenClose = Math.min(yyOpen, yyClose);<a name="line.675"></a>
<FONT color="green">676</FONT>            double maxOpenClose = Math.max(yOpen, yClose);<a name="line.676"></a>
<FONT color="green">677</FONT>            double minOpenClose = Math.min(yOpen, yClose);<a name="line.677"></a>
<FONT color="green">678</FONT>    <a name="line.678"></a>
<FONT color="green">679</FONT>            // draw the upper shadow<a name="line.679"></a>
<FONT color="green">680</FONT>            if (yHigh &gt; maxOpenClose) {<a name="line.680"></a>
<FONT color="green">681</FONT>                if (horiz) {<a name="line.681"></a>
<FONT color="green">682</FONT>                    g2.draw(new Line2D.Double(yyHigh, xx, yyMaxOpenClose, xx));<a name="line.682"></a>
<FONT color="green">683</FONT>                }<a name="line.683"></a>
<FONT color="green">684</FONT>                else {<a name="line.684"></a>
<FONT color="green">685</FONT>                    g2.draw(new Line2D.Double(xx, yyHigh, xx, yyMaxOpenClose));<a name="line.685"></a>
<FONT color="green">686</FONT>                }<a name="line.686"></a>
<FONT color="green">687</FONT>            }<a name="line.687"></a>
<FONT color="green">688</FONT>    <a name="line.688"></a>
<FONT color="green">689</FONT>            // draw the lower shadow<a name="line.689"></a>
<FONT color="green">690</FONT>            if (yLow &lt; minOpenClose) {<a name="line.690"></a>
<FONT color="green">691</FONT>                if (horiz) {<a name="line.691"></a>
<FONT color="green">692</FONT>                    g2.draw(new Line2D.Double(yyLow, xx, yyMinOpenClose, xx));<a name="line.692"></a>
<FONT color="green">693</FONT>                }<a name="line.693"></a>
<FONT color="green">694</FONT>                else {<a name="line.694"></a>
<FONT color="green">695</FONT>                    g2.draw(new Line2D.Double(xx, yyLow, xx, yyMinOpenClose));<a name="line.695"></a>
<FONT color="green">696</FONT>                }<a name="line.696"></a>
<FONT color="green">697</FONT>            }<a name="line.697"></a>
<FONT color="green">698</FONT>    <a name="line.698"></a>
<FONT color="green">699</FONT>            // draw the body<a name="line.699"></a>
<FONT color="green">700</FONT>            Shap