Example usage for org.jfree.chart.plot CompassPlot setBackgroundImageAlpha

Introduction

In this page you can find the example usage for org.jfree.chart.plot CompassPlot setBackgroundImageAlpha.

Prototype

public void setBackgroundImageAlpha(float alpha)

Source Link

Document

Sets the alpha transparency used when drawing the background image.

Usage

From source file:ucar.unidata.idv.flythrough.Flythrough.java

/**
 * _more_/*  w  w w .j a v  a 2s .  co m*/
 *
 * @param g _more_
 * @param comp _more_
 */
public void paintDashboardAfter(Graphics g, JComponent comp) {

    Graphics2D g2 = (Graphics2D) g;
    AffineTransform oldTransform = g2.getTransform();
    Rectangle b = dashboardLbl.getBounds();
    int w = dashboardImage.getWidth(null);
    int h = dashboardImage.getHeight(null);
    Point ul = new Point(b.width / 2 - w / 2, b.height - h);
    int ptsIdx = 0;

    try {
        pipPanel.setPreferredSize(new Dimension(dialPts[ptsIdx][2], dialPts[ptsIdx][3]));
        pipFrame.setSize(dialPts[ptsIdx][2], dialPts[ptsIdx][3]);
        pipPanel.doLayout();
        pipPanel.validate();
        pipFrame.pack();
        pipPanel.resetDrawBounds();
        pipPanel.redraw();
    } catch (Exception ignore) {
    }

    JLabel locLbl = null;

    if (lastLocation != null) {
        try {
            locLbl = new JLabel("<html><table width=100%><tr><td align=right>&nbsp;Lat:</td></td>"
                    + getIdv().getDisplayConventions().formatLatLon(getLat(lastLocation)) + "</td></tr>"
                    + "<tr><td align=right>&nbsp;Lon:</td></td>"
                    + getIdv().getDisplayConventions().formatLatLon(getLon(lastLocation)) + "</td></tr>"
                    + "<tr><td align=right>&nbsp;Alt:</td></td>"
                    + getIdv().getDisplayConventions().formatDistance(getAlt(lastLocation)) + "</table>");
        } catch (Exception ignore) {
        }
    }
    if (locLbl == null) {
        locLbl = new JLabel(
                "<html><table width=100%><tr><td align=right>&nbsp;Lat:</td></td>N/A </td></tr><tr><td align=right>&nbsp;Lon:</td></td>N/A </td></tr><tr><td align=right>&nbsp;Alt:</td></td>N/A </table>");
    }
    locLbl.setOpaque(true);
    locLbl.setBackground(Color.white);

    DefaultValueDataset headingDataset = new DefaultValueDataset(new Double(currentHeading));

    CompassPlot plot = new CompassPlot(headingDataset);
    plot.setSeriesNeedle(0);
    plot.setSeriesPaint(0, Color.red);
    plot.setSeriesOutlinePaint(0, Color.red);
    JFreeChart chart = new JFreeChart("", plot);
    ChartPanel compassPanel = new ChartPanel(chart);

    plot.setBackgroundPaint(new Color(255, 255, 255, 0));
    plot.setBackgroundImageAlpha(0.0f);
    chart.setBackgroundPaint(new Color(255, 255, 255, 0));
    compassPanel.setBackground(new Color(255, 255, 255, 0));
    compassPanel.setPreferredSize(dialDimension);
    //        compassPanel.setSize(new Dimension(100,100));

    g2.setTransform(oldTransform);
    pipRect = drawDial(g2, pipPanel, ptsIdx++, ul);

    JFrame dummyFrame = new JFrame("");
    dummyFrame.setContentPane(compassPanel);
    dummyFrame.pack();

    g2.setTransform(oldTransform);
    drawDial(g2, compassPanel, ptsIdx++, ul);

    g2.setTransform(oldTransform);
    dummyFrame.setContentPane(locLbl);
    dummyFrame.pack();
    drawDial(g2, locLbl, ptsIdx++, ul);

    if (showReadout) {
        for (JComponent dial : dials) {
            dummyFrame.setContentPane(dial);
            dummyFrame.pack();

            g2.setTransform(oldTransform);
            drawDial(g2, dial, ptsIdx++, ul);
        }
    }

    g2.setTransform(oldTransform);

}