Example usage for org.jfree.chart ChartPanel setDoubleBuffered

Introduction

In this page you can find the example usage for org.jfree.chart ChartPanel setDoubleBuffered.

Prototype

public void setDoubleBuffered(boolean aFlag) 

Source Link

Document

Sets whether this component should use a buffer to paint.

Usage

From source file:net.sf.maltcms.common.charts.api.XYChartBuilder.java

/**
 * Creates a new ContextAwareChartPanel instance.
 * @return the chart panel//from w  w  w.j a va  2 s . co  m
 */
public ChartPanel buildPanel() {
    chart.setRenderingHints(renderingHints);
    chartTheme.apply(chart);
    ChartPanel chartPanel = new ContextAwareChartPanel(chart, preferredWidth, preferredHeight, minimumWidth,
            minimumHeight, maximumWidth, maximumHeight, chartPanelBuffer, chartPanelProperties, chartPanelSave,
            chartPanelPrint, chartPanelZoom, chartPanelToolTips);
    chartPanel.setMouseWheelEnabled(true);
    chartPanel.setFillZoomRectangle(true);
    chartPanel.setDoubleBuffered(true);
    chartPanel.setZoomOutlinePaint(ChartCustomizer.withAlpha(Color.DARK_GRAY, 1.0f));
    chartPanel.setZoomFillPaint(ChartCustomizer.withAlpha(Color.WHITE, 0.6f));
    return chartPanel;
}

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From source file:org.trade.ui.chart.CandlestickChart.java

/**
 * A demonstration application showing a candlestick chart.
 * // ww w  .  j  ava 2  s. c  o m
 * @param title
 *            the frame title.
 * @param strategyData
 *            StrategyData
 */
public CandlestickChart(final String title, StrategyData strategyData, Tradingday tradingday) {

    this.strategyData = strategyData;
    this.setLayout(new BorderLayout());
    // Used to mark the current price
    stroke = new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0, new float[] { 10, 3 }, 0);
    valueMarker = new ValueMarker(0.00, Color.black, stroke);

    this.chart = createChart(this.strategyData, title, tradingday);

    BlockContainer container = new BlockContainer(new BorderArrangement());
    container.add(titleLegend1, RectangleEdge.LEFT);
    container.add(titleLegend2, RectangleEdge.RIGHT);
    container.add(new EmptyBlock(2000, 0));
    CompositeTitle legends = new CompositeTitle(container);
    legends.setPosition(RectangleEdge.BOTTOM);
    this.chart.addSubtitle(legends);

    final ChartPanel chartPanel = new ChartPanel(this.chart);
    chartPanel.setFillZoomRectangle(true);
    chartPanel.setMouseZoomable(true, true);
    chartPanel.setRefreshBuffer(true);
    chartPanel.setDoubleBuffered(true);
    chartPanel.setVerticalAxisTrace(true);
    chartPanel.setHorizontalAxisTrace(true);
    chartPanel.addChartMouseListener(new ChartMouseListener() {

        public void chartMouseMoved(ChartMouseEvent e) {
        }

        public void chartMouseClicked(final ChartMouseEvent e) {
            CombinedDomainXYPlot combinedXYplot = (CombinedDomainXYPlot) e.getChart().getPlot();
            @SuppressWarnings("unchecked")
            List<XYPlot> subplots = combinedXYplot.getSubplots();
            if (e.getTrigger().getClickCount() == 2) {
                double xItem = 0;
                double yItem = 0;
                if (e.getEntity() instanceof XYItemEntity) {
                    XYItemEntity xYItemEntity = ((XYItemEntity) e.getEntity());
                    xItem = xYItemEntity.getDataset().getXValue(xYItemEntity.getSeriesIndex(),
                            xYItemEntity.getItem());
                    yItem = xYItemEntity.getDataset().getYValue(xYItemEntity.getSeriesIndex(),
                            xYItemEntity.getItem());
                } else {
                    PlotEntity plotEntity = ((PlotEntity) e.getEntity());
                    XYPlot plot = (XYPlot) plotEntity.getPlot();
                    xItem = plot.getDomainCrosshairValue();
                    yItem = plot.getRangeCrosshairValue();
                }

                for (XYPlot xyplot : subplots) {

                    double x = xyplot.getDomainCrosshairValue();
                    double y = xyplot.getRangeCrosshairValue();

                    /*
                     * If the cross hair is from a right-hand y axis we need
                     * to convert this to a left-hand y axis.
                     */
                    String rightAxisName = ", Price: ";
                    double rangeLowerLeft = 0;
                    double rangeUpperLeft = 0;
                    double rangeLowerRight = 0;
                    double rangeUpperRight = 0;
                    double yRightLocation = 0;
                    for (int index = 0; index < xyplot.getRangeAxisCount(); index++) {
                        AxisLocation axisLocation = xyplot.getRangeAxisLocation(index);
                        Range range = xyplot.getRangeAxis(index).getRange();

                        if (axisLocation.equals(AxisLocation.BOTTOM_OR_LEFT)
                                || axisLocation.equals(AxisLocation.TOP_OR_LEFT)) {
                            rangeLowerLeft = range.getLowerBound();
                            rangeUpperLeft = range.getUpperBound();
                            rightAxisName = ", " + xyplot.getRangeAxis(index).getLabel() + ": ";
                        }
                        if (y >= range.getLowerBound() && y <= range.getUpperBound()
                                && (axisLocation.equals(AxisLocation.BOTTOM_OR_RIGHT)
                                        || axisLocation.equals(AxisLocation.TOP_OR_RIGHT))) {
                            rangeUpperRight = range.getUpperBound();
                            rangeLowerRight = range.getLowerBound();
                        }
                    }
                    if ((rangeUpperRight - rangeLowerRight) > 0) {
                        yRightLocation = rangeLowerLeft + ((rangeUpperLeft - rangeLowerLeft)
                                * ((y - rangeLowerRight) / (rangeUpperRight - rangeLowerRight)));
                    } else {
                        yRightLocation = y;
                    }

                    String text = " Time: " + dateFormatShort.format(new Date((long) (x))) + rightAxisName
                            + new Money(y);
                    if (x == xItem && y == yItem) {
                        titleLegend1.setText(text);
                        if (null == clickCrossHairs) {
                            clickCrossHairs = new XYTextAnnotation(text, x, yRightLocation);
                            clickCrossHairs.setTextAnchor(TextAnchor.BOTTOM_LEFT);
                            xyplot.addAnnotation(clickCrossHairs);
                        } else {
                            clickCrossHairs.setText(text);
                            clickCrossHairs.setX(x);
                            clickCrossHairs.setY(yRightLocation);
                        }
                    }
                }
            } else if (e.getTrigger().getClickCount() == 1 && null != clickCrossHairs) {
                for (XYPlot xyplot : subplots) {
                    if (xyplot.removeAnnotation(clickCrossHairs)) {
                        clickCrossHairs = null;
                        titleLegend1.setText(" Time: 0, Price :0.0");
                        break;
                    }
                }
            }
        }
    });
    this.add(chartPanel, null);
    this.strategyData.getCandleDataset().getSeries(0).addChangeListener(this);
}

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