Examples of org.jfree.chart.plot.MeterInterval

org.jfree.chart.plot.MeterInterval
An interval to be highlighted on a {@link MeterPlot}. Instances of this class are immutable.

    float[] components = color.getRGBColorComponents(null);


    float alpha = interval.getAlphaDouble() == null ? (float)JRMeterInterval.DEFAULT_TRANSPARENCY : interval.getAlphaDouble().floatValue();
    Color alphaColor = new Color(components[0], components[1], components[2], alpha);


    return new MeterInterval(label, range, alphaColor, null, alphaColor);
  }

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    float[] components = color.getRGBColorComponents(null);


    float alpha = interval.getAlphaDouble() == null ? (float)JRMeterInterval.DEFAULT_TRANSPARENCY : interval.getAlphaDouble().floatValue();
    Color alphaColor = new Color(components[0], components[1], components[2], alpha);


    return new MeterInterval(label, range, alphaColor, null, alphaColor);
  }

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    float[] components = color.getRGBColorComponents(null);


    float alpha = interval.getAlphaDouble() == null ? (float)JRMeterInterval.DEFAULT_TRANSPARENCY : interval.getAlphaDouble().floatValue();
    Color alphaColor = new Color(components[0], components[1], components[2], alpha);


    return new MeterInterval(label, range, alphaColor, null, alphaColor);
  }

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    float[] components = color.getRGBColorComponents(null);
    float alpha = interval.getAlphaDouble() == null ? (float)JRMeterInterval.DEFAULT_TRANSPARENCY : interval.getAlphaDouble().floatValue();


    Color alphaColor = new Color(components[0], components[1], components[2], alpha);


    return new MeterInterval(label, range, alphaColor, null, alphaColor);
  }

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  {
    DefaultValueDataset dataset = createDefaultValueDataset(values);


    MeterPlot plot = new MeterPlot(dataset);
    plot.setRange(new Range(0, 60));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 35.0),
        Color.lightGray, new BasicStroke(2.0f), new Color(0, 255, 0, 64)));
    plot.addInterval(new MeterInterval("Warning", new Range(35.0, 50.0),
        Color.lightGray, new BasicStroke(2.0f), new Color(255, 255, 0, 64)));
    plot.addInterval(new MeterInterval("Critical", new Range(50.0, 60.0),
        Color.lightGray, new BasicStroke(2.0f), new Color(255, 0, 0, 128)));
    plot.setNeedlePaint(Color.darkGray);
    plot.setDialBackgroundPaint(Color.white);
    plot.setDialOutlinePaint(Color.gray);
    plot.setDialShape(DialShape.CHORD);

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     * pointer exception (fixed now).
     */
    public void testDrawWithNullInfo() {
        boolean success = false;
        MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
        plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
        JFreeChart chart = new JFreeChart(plot);
        try {
            BufferedImage image = new BufferedImage(200, 100,
                    BufferedImage.TYPE_INT_RGB);
            Graphics2D g2 = image.createGraphics();

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        assertFalse(plot1.equals(plot2));
        plot2.setRange(new Range(50.0, 70.0));
        assertTrue(plot1.equals(plot2));


        // interval
        plot1.addInterval(new MeterInterval("Normal", new Range(55.0, 60.0)));
        assertFalse(plot1.equals(plot2));
        plot2.addInterval(new MeterInterval("Normal", new Range(55.0, 60.0)));
        assertTrue(plot1.equals(plot2));


        // dial outline paint
        plot1.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));

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        p1.getTickLabelFormat().setMinimumIntegerDigits(99);
        assertFalse(p1.equals(p2));
        p2.getTickLabelFormat().setMinimumIntegerDigits(99);
        assertTrue(p1.equals(p2));


        p1.addInterval(new MeterInterval("Test", new Range(1.234, 5.678)));
        assertFalse(p1.equals(p2));
        p2.addInterval(new MeterInterval("Test", new Range(1.234, 5.678)));
        assertTrue(p1.equals(p2));


    }

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    /**
     * This class is immutable so cloning isn't required.
     */
    public void testCloning() {
        MeterInterval m1 = new MeterInterval("X", new Range(1.0, 2.0));
        assertFalse(m1 instanceof Cloneable);
    }

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   /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        MeterInterval m1 = new MeterInterval("X", new Range(1.0, 2.0));
        MeterInterval m2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(m1);
            out.close();

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