Example usage for org.jfree.chart.fx ChartViewer getChart

Introduction

In this page you can find the example usage for org.jfree.chart.fx ChartViewer getChart.

Prototype

public JFreeChart getChart() 

Source Link

Document

Returns the chart that is being displayed by this node.

Usage

From source file:net.sf.mzmine.chartbasics.ChartLogicsFX.java

/**
 * Calculates the size of a chart for a given fixed plot width Domain and Range axes need to share
 * the same unit (e.g. mm)//from  ww w .j  a v a 2 s  .c om
 * 
 * @param chart
 * @param plotWidth
 * @return
 */
public static Dimension calcSizeForPlotWidth(ChartViewer myChart, double plotWidth, int iterations) {
    // ranges
    XYPlot plot = (XYPlot) myChart.getChart().getPlot();
    ValueAxis domainAxis = plot.getDomainAxis();
    Range x = domainAxis.getRange();
    ValueAxis rangeAxis = plot.getRangeAxis();
    Range y = rangeAxis.getRange();

    // plot height is fixed
    double plotHeight = plotWidth / x.getLength() * y.getLength();
    return calcSizeForPlotSize(myChart, plotWidth, plotHeight, iterations);
}

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From source file:net.sf.mzmine.chartbasics.ChartLogicsFX.java

/**
 * Data width to pixel width on screen//w  w  w. j  a va2 s  .c  o m
 * 
 * @param myChart
 * @param dataWidth width of data
 * @param axis for width calculation
 * @return
 */
public static double calcWidthOnScreen(ChartViewer myChart, double dataWidth, ValueAxis axis,
        RectangleEdge axisEdge) {
    XYPlot plot = (XYPlot) myChart.getChart().getPlot();
    ChartRenderingInfo info = myChart.getRenderingInfo();
    Rectangle2D dataArea = info.getPlotInfo().getDataArea();

    // width 2D
    return axis.lengthToJava2D(dataWidth, dataArea, axisEdge);
}

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From source file:net.sf.mzmine.chartbasics.ChartLogicsFX.java

/**
 * // w  w  w . j a v a  2s .  com
 * Domain and Range axes need to share the same unit (e.g. mm)
 * 
 * @param myChart
 * @return
 */
public static double calcWidthToHeight(ChartViewer myChart, double chartHeight) {
    makeChartResizable(myChart);

    myChart.getCanvas().draw();

    XYPlot plot = (XYPlot) myChart.getChart().getPlot();
    ChartRenderingInfo info = myChart.getRenderingInfo();
    Rectangle2D dataArea = info.getPlotInfo().getDataArea();
    Rectangle2D chartArea = info.getChartArea();

    // calc title space: will be added later to the right plot size
    double titleWidth = chartArea.getWidth() - dataArea.getWidth();
    double titleHeight = chartArea.getHeight() - dataArea.getHeight();

    // calc right plot size with axis dim.
    // real plot width is given by factor;
    double realPH = chartHeight - titleHeight;

    // ranges
    ValueAxis domainAxis = plot.getDomainAxis();
    org.jfree.data.Range x = domainAxis.getRange();
    ValueAxis rangeAxis = plot.getRangeAxis();
    org.jfree.data.Range y = rangeAxis.getRange();

    // real plot height can be calculated by
    double realPW = realPH / y.getLength() * x.getLength();

    double width = realPW + titleWidth;

    return width;
}

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From source file:net.sf.mzmine.chartbasics.ChartLogicsFX.java

/**
 * Returns dimensions for limiting factor width or height
 * //from   w  w  w .j  a v  a  2  s.  c om
 * @param myChart
 * @return
 */
public static Dimension calcMaxSize(ChartViewer myChart, double chartWidth, double chartHeight) {
    makeChartResizable(myChart);
    // paint on a ghost panel
    myChart.getCanvas().draw();

    XYPlot plot = (XYPlot) myChart.getChart().getPlot();
    ChartRenderingInfo info = myChart.getRenderingInfo();
    Rectangle2D dataArea = info.getPlotInfo().getDataArea();
    Rectangle2D chartArea = info.getChartArea();

    // calc title space: will be added later to the right plot size
    double titleWidth = chartArea.getWidth() - dataArea.getWidth();
    double titleHeight = chartArea.getHeight() - dataArea.getHeight();

    // calculatig width for max height

    // calc right plot size with axis dim.
    // real plot width is given by factor;
    double realPH = chartHeight - titleHeight;

    // ranges
    ValueAxis domainAxis = plot.getDomainAxis();
    org.jfree.data.Range x = domainAxis.getRange();
    ValueAxis rangeAxis = plot.getRangeAxis();
    org.jfree.data.Range y = rangeAxis.getRange();

    // real plot height can be calculated by
    double realPW = realPH / y.getLength() * x.getLength();

    double width = realPW + titleWidth;
    // if width is higher than given chartWidth then calc height for chartWidth
    if (width > chartWidth) {
        // calc right plot size with axis dim.
        // real plot width is given by factor;
        realPW = chartWidth - titleWidth;

        // real plot height can be calculated by
        realPH = realPW / x.getLength() * y.getLength();

        double height = realPH + titleHeight;
        // Return size
        return new Dimension((int) chartWidth, (int) height);
    } else {
        // Return size
        return new Dimension((int) width, (int) chartHeight);
    }
}

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From source file:net.sf.mzmine.chartbasics.ChartLogicsFX.java

/**
 * calculates the correct height with multiple iterations Domain and Range axes need to share the
 * same unit (e.g. mm)/*w  w  w. j ava  2  s  . co  m*/
 * 
 * @param myChart
 * @param dataWidth width of data
 * @param axis for width calculation
 * @return
 */
public static double calcHeightToWidth(ChartViewer myChart, double chartWidth, double estimatedHeight,
        int iterations) {
    // if(myChart.getChartRenderingInfo()==null ||
    // myChart.getChartRenderingInfo().getChartArea()==null ||
    // myChart.getChartRenderingInfo().getChartArea().getWidth()==0)
    // result
    double height = estimatedHeight;
    double lastH = height;

    makeChartResizable(myChart);

    try {
        for (int i = 0; i < iterations; i++) {
            // paint on ghost panel with estimated height (if copy panel==true)
            myChart.getCanvas().setWidth((int) chartWidth);
            myChart.getCanvas().setHeight((int) estimatedHeight);
            myChart.getCanvas().draw();

            XYPlot plot = (XYPlot) myChart.getChart().getPlot();
            ChartRenderingInfo info = myChart.getRenderingInfo();
            Rectangle2D dataArea = info.getPlotInfo().getDataArea();
            Rectangle2D chartArea = info.getChartArea();

            // calc title space: will be added later to the right plot size
            double titleWidth = chartArea.getWidth() - dataArea.getWidth();
            double titleHeight = chartArea.getHeight() - dataArea.getHeight();

            // calc right plot size with axis dim.
            // real plot width is given by factor;
            double realPW = chartWidth - titleWidth;

            // ranges
            ValueAxis domainAxis = plot.getDomainAxis();
            org.jfree.data.Range x = domainAxis.getRange();
            ValueAxis rangeAxis = plot.getRangeAxis();
            org.jfree.data.Range y = rangeAxis.getRange();

            // real plot height can be calculated by
            double realPH = realPW / x.getLength() * y.getLength();

            // the real height
            height = realPH + titleHeight;

            // for next iteration
            estimatedHeight = height;
            if ((int) lastH == (int) height)
                break;
            else
                lastH = height;
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }

    return height;
}

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From source file:net.sf.mzmine.chartbasics.ChartLogicsFX.java

/**
 * Translates mouse coordinates to chart coordinates (xy-axis)
 * /*  w ww .j ava 2s .c  o m*/
 * @param myChart
 * @param mouseX
 * @param mouseY
 * @return Range as chart coordinates (never null)
 */
public static Point2D mouseXYToPlotXY(ChartViewer myChart, int mouseX, int mouseY) {
    XYPlot plot = null;
    // find plot as parent of axis
    ChartEntity entity = findChartEntity(myChart.getCanvas(), mouseX, mouseY);
    if (entity instanceof AxisEntity) {
        Axis a = ((AxisEntity) entity).getAxis();
        if (a.getPlot() instanceof XYPlot)
            plot = (XYPlot) a.getPlot();
    }

    ChartRenderingInfo info = myChart.getRenderingInfo();
    int subplot = info.getPlotInfo().getSubplotIndex(new Point2D.Double(mouseX, mouseY));
    Rectangle2D dataArea = info.getPlotInfo().getDataArea();
    if (subplot != -1)
        dataArea = info.getPlotInfo().getSubplotInfo(subplot).getDataArea();

    // find subplot or plot
    if (plot == null)
        plot = findXYSubplot(myChart.getChart(), info, mouseX, mouseY);

    // coordinates
    double cx = 0;
    double cy = 0;
    if (plot != null) {
        // find axis
        ValueAxis domainAxis = plot.getDomainAxis();
        ValueAxis rangeAxis = plot.getRangeAxis();
        RectangleEdge domainAxisEdge = plot.getDomainAxisEdge();
        RectangleEdge rangeAxisEdge = plot.getRangeAxisEdge();
        // parent?
        if (domainAxis == null && plot.getParent() != null && plot.getParent() instanceof XYPlot) {
            XYPlot pp = ((XYPlot) plot.getParent());
            domainAxis = pp.getDomainAxis();
            domainAxisEdge = pp.getDomainAxisEdge();
        }
        if (rangeAxis == null && plot.getParent() != null && plot.getParent() instanceof XYPlot) {
            XYPlot pp = ((XYPlot) plot.getParent());
            rangeAxis = pp.getRangeAxis();
            rangeAxisEdge = pp.getRangeAxisEdge();
        }

        if (domainAxis != null)
            cx = domainAxis.java2DToValue(mouseX, dataArea, domainAxisEdge);
        if (rangeAxis != null)
            cy = rangeAxis.java2DToValue(mouseY, dataArea, rangeAxisEdge);
    }
    return new Point2D.Double(cx, cy);
}

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