Java 类org.jfree.chart.plot.dial.DialValueIndicator 实例源码

public JFreeChart createStandardDialChart(String s, String s1, ValueDataset valuedataset, double d, double d1, double d2, int i) {
    DialPlot dialplot = new DialPlot();
    dialplot.setDataset(valuedataset);
    dialplot.setDialFrame(new StandardDialFrame());
    dialplot.setBackground(new DialBackground());
    DialTextAnnotation dialtextannotation = new DialTextAnnotation(s1);
    dialtextannotation.setFont(new Font("Dialog", 1, 14));
    dialtextannotation.setRadius(0.69999999999999996D);
    dialplot.addLayer(dialtextannotation);
    DialValueIndicator dialvalueindicator = new DialValueIndicator(0);
    dialplot.addLayer(dialvalueindicator);
    StandardDialScale standarddialscale = new StandardDialScale(d, d1, -120D, -300D, 10D, 4);
    standarddialscale.setMajorTickIncrement(d2);
    standarddialscale.setMinorTickCount(i);
    standarddialscale.setTickRadius(0.88D);
    standarddialscale.setTickLabelOffset(0.14999999999999999D);
    standarddialscale.setTickLabelFont(new Font("Dialog", 0, 14));
    dialplot.addScale(0, standarddialscale);
    dialplot.addPointer(new org.jfree.chart.plot.dial.DialPointer.Pin());
    DialCap dialcap = new DialCap();
    dialplot.setCap(dialcap);
    return new JFreeChart(s, dialplot);
}

private ChartPanel buildDialPlot(int minimumValue, int maximumValue,int majorTickGap) {
  plot = new DialPlot(dataset);
  plot.setDialFrame(new StandardDialFrame());
  plot.addLayer(new DialValueIndicator());
  plot.addLayer(new DialPointer.Pointer());

  StandardDialScale scale = new StandardDialScale(minimumValue, maximumValue,-120, -300, majorTickGap, majorTickGap - 1);
  scale.setTickRadius(0.88);
  scale.setTickLabelOffset(0.20);
  plot.addScale(0, scale);
  return new ChartPanel(new JFreeChart(plot));
}

/**
 * Two objects that are equal are required to return the same hashCode.
 */
public void testHashCode() {
    DialValueIndicator i1 = new DialValueIndicator(0);
    DialValueIndicator i2 = new DialValueIndicator(0);
    assertTrue(i1.equals(i2));
    int h1 = i1.hashCode();
    int h2 = i2.hashCode();
    assertEquals(h1, h2);
}

private void fillChart(String title, float value, int lowerBound, int upperBound) throws Exception {
    DefaultValueDataset dataset = new DefaultValueDataset();

    dataset.setValue(value);

    DialPlot plot = new DialPlot();
    plot.setView(0.0d, 0.0d, 1.0d, 1.0d);
    plot.setDataset(0, dataset);

    StandardDialFrame frame = new StandardDialFrame();
    plot.setDialFrame(frame);
    DialBackground dialBackground = new DialBackground();
    dialBackground.setGradientPaintTransformer(
            new StandardGradientPaintTransformer(GradientPaintTransformType.VERTICAL));
    plot.setBackground(dialBackground);
    DialTextAnnotation textAnnotation = new DialTextAnnotation( title );
    textAnnotation.setRadius(0.555555555555555555D);
    plot.addLayer(textAnnotation);

    DialValueIndicator valueIndicator = new DialValueIndicator(0);
    plot.addLayer(valueIndicator);

    StandardDialScale scale1 = new StandardDialScale();
    scale1.setLowerBound( lowerBound );
    scale1.setUpperBound( upperBound );
    scale1.setStartAngle( -140 ); // -120
    scale1.setExtent( -260D ); // -300D 
    scale1.setTickRadius(0.88D);
    scale1.setTickLabelOffset(0.14999999999999999D); 
    scale1.setTickLabelFont(new Font("", Font.TRUETYPE_FONT, 14)); 
    plot.addScale(0, scale1);

    StandardDialRange standarddialrange0 = new StandardDialRange( lowerBound, (upperBound*0.6), Color.red);
    standarddialrange0.setInnerRadius(0.52000000000000002D);
    standarddialrange0.setOuterRadius(0.55000000000000004D);
    plot.addLayer(standarddialrange0);

    StandardDialRange standarddialrange1 = new StandardDialRange( (upperBound*0.6), (upperBound*0.8), Color.orange);
    standarddialrange1.setInnerRadius(0.52000000000000002D);
    standarddialrange1.setOuterRadius(0.55000000000000004D);
    plot.addLayer(standarddialrange1);

    StandardDialRange standarddialrange2 = new StandardDialRange( (upperBound*0.8), upperBound, Color.green);
    standarddialrange2.setInnerRadius(0.52000000000000002D);
    standarddialrange2.setOuterRadius(0.55000000000000004D);
    plot.addLayer(standarddialrange2);

    Pointer pointer = new Pointer(0); 
    pointer.setFillPaint(new Color(144, 196, 246));
    plot.addPointer(pointer);
    plot.mapDatasetToScale(0, 0);
    DialCap dialcap = new DialCap();
    dialcap.setRadius(0.0700000000000001D);
    plot.setCap(dialcap);

    this.chart = new JFreeChart(plot);
    //this.chart.setBackgroundPaint(new Color(234, 244, 253));
    this.chart.setBackgroundPaint( Color.white );
}