Package org.jfree.chart.plot

Examples of org.jfree.chart.plot.MeterPlot

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     * Draws the chart with a single range.  At one point, this caused a null
     * 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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    /**
     * Test the equals method to ensure that it can distinguish the required
     * fields.  Note that the dataset is NOT considered in the equals test.
     */
    public void testEquals() {
        MeterPlot plot1 = new MeterPlot();
        MeterPlot plot2 = new MeterPlot();
        assertTrue(plot1.equals(plot2));

        // units
        plot1.setUnits("mph");
        assertFalse(plot1.equals(plot2));
        plot2.setUnits("mph");
        assertTrue(plot1.equals(plot2));

        // range
        plot1.setRange(new Range(50.0, 70.0));
        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));
        assertFalse(plot1.equals(plot2));
        plot2.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        assertTrue(plot1.equals(plot2));

        // dial shape
        plot1.setDialShape(DialShape.CHORD);
        assertFalse(plot1.equals(plot2));
        plot2.setDialShape(DialShape.CHORD);
        assertTrue(plot1.equals(plot2));

        // dial background paint
        plot1.setDialBackgroundPaint(new GradientPaint(9.0f, 8.0f, Color.red,
                7.0f, 6.0f, Color.blue));
        assertFalse(plot1.equals(plot2));
        plot2.setDialBackgroundPaint(new GradientPaint(9.0f, 8.0f, Color.red,
                7.0f, 6.0f, Color.blue));
        assertTrue(plot1.equals(plot2));

        // dial outline paint
        plot1.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.green,
                3.0f, 4.0f, Color.red));
        assertFalse(plot1.equals(plot2));
        plot2.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.green,
                3.0f, 4.0f, Color.red));
        assertTrue(plot1.equals(plot2));

        // needle paint
        plot1.setNeedlePaint(new GradientPaint(9.0f, 8.0f, Color.red,
                7.0f, 6.0f, Color.blue));
        assertFalse(plot1.equals(plot2));
        plot2.setNeedlePaint(new GradientPaint(9.0f, 8.0f, Color.red,
                7.0f, 6.0f, Color.blue));
        assertTrue(plot1.equals(plot2));

        // value font
        plot1.setValueFont(new Font("Serif", Font.PLAIN, 6));
        assertFalse(plot1.equals(plot2));
        plot2.setValueFont(new Font("Serif", Font.PLAIN, 6));
        assertTrue(plot1.equals(plot2));

        // value paint
        plot1.setValuePaint(new GradientPaint(1.0f, 2.0f, Color.black,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setValuePaint(new GradientPaint(1.0f, 2.0f, Color.black,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));

        // tick labels visible
        plot1.setTickLabelsVisible(false);
        assertFalse(plot1.equals(plot2));
        plot2.setTickLabelsVisible(false);
        assertTrue(plot1.equals(plot2));

        // tick label font
        plot1.setTickLabelFont(new Font("Serif", Font.PLAIN, 6));
        assertFalse(plot1.equals(plot2));
        plot2.setTickLabelFont(new Font("Serif", Font.PLAIN, 6));
        assertTrue(plot1.equals(plot2));

        // tick label paint
        plot1.setTickLabelPaint(Color.red);
        assertFalse(plot1.equals(plot2));
        plot2.setTickLabelPaint(Color.red);
        assertTrue(plot1.equals(plot2));

        // tick label format
        plot1.setTickLabelFormat(new DecimalFormat("0"));
        assertFalse(plot1.equals(plot2));
        plot2.setTickLabelFormat(new DecimalFormat("0"));
        assertTrue(plot1.equals(plot2));

        // tick paint
        plot1.setTickPaint(Color.green);
        assertFalse(plot1.equals(plot2));
        plot2.setTickPaint(Color.green);
        assertTrue(plot1.equals(plot2));

        // tick size
        plot1.setTickSize(1.23);
        assertFalse(plot1.equals(plot2));
        plot2.setTickSize(1.23);
        assertTrue(plot1.equals(plot2));

        // draw border
        plot1.setDrawBorder(!plot1.getDrawBorder());
        assertFalse(plot1.equals(plot2));
        plot2.setDrawBorder(plot1.getDrawBorder());
        assertTrue(plot1.equals(plot2));

        // meter angle
        plot1.setMeterAngle(22);
        assertFalse(plot1.equals(plot2));
        plot2.setMeterAngle(22);
        assertTrue(plot1.equals(plot2));

    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        MeterPlot p1 = new MeterPlot();
        MeterPlot p2 = null;
        try {
            p2 = (MeterPlot) p1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(p1 != p2);
        assertTrue(p1.getClass() == p2.getClass());
        assertTrue(p1.equals(p2));

        // the clone and the original share a reference to the SAME dataset
        assertTrue(p1.getDataset() == p2.getDataset());

        // try a few checks to ensure that the clone is independent of the
        // original
        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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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization1() {
        MeterPlot p1 = new MeterPlot(null);
        p1.setDialBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        p1.setDialOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.red,
                2.0f, 1.0f, Color.blue));
        p1.setNeedlePaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        p1.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        p1.setTickPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        MeterPlot p2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(p1);
            out.close();
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization2() {
        MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
        MeterPlot p2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(p1);
            out.close();
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    /**
     * Test the equals method to ensure that it can distinguish the required
     * fields.  Note that the dataset is NOT considered in the equals test.
     */
    public void testEquals() {
        MeterPlot plot1 = new MeterPlot();
        MeterPlot plot2 = new MeterPlot();
        assertTrue(plot1.equals(plot2));

        // units
        plot1.setUnits("mph");
        assertFalse(plot1.equals(plot2));
        plot2.setUnits("mph");
        assertTrue(plot1.equals(plot2));

        // range
        plot1.setRange(new Range(50.0, 70.0));
        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));
        assertFalse(plot1.equals(plot2));
        plot2.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        assertTrue(plot1.equals(plot2));

        // dial shape
        plot1.setDialShape(DialShape.CHORD);
        assertFalse(plot1.equals(plot2));
        plot2.setDialShape(DialShape.CHORD);
        assertTrue(plot1.equals(plot2));

        // dial background paint
        plot1.setDialBackgroundPaint(new GradientPaint(9.0f, 8.0f, Color.red,
                7.0f, 6.0f, Color.blue));
        assertFalse(plot1.equals(plot2));
        plot2.setDialBackgroundPaint(new GradientPaint(9.0f, 8.0f, Color.red,
                7.0f, 6.0f, Color.blue));
        assertTrue(plot1.equals(plot2));

        // dial outline paint
        plot1.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.green,
                3.0f, 4.0f, Color.red));
        assertFalse(plot1.equals(plot2));
        plot2.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.green,
                3.0f, 4.0f, Color.red));
        assertTrue(plot1.equals(plot2));

        // needle paint
        plot1.setNeedlePaint(new GradientPaint(9.0f, 8.0f, Color.red,
                7.0f, 6.0f, Color.blue));
        assertFalse(plot1.equals(plot2));
        plot2.setNeedlePaint(new GradientPaint(9.0f, 8.0f, Color.red,
                7.0f, 6.0f, Color.blue));
        assertTrue(plot1.equals(plot2));

        // value font
        plot1.setValueFont(new Font("Serif", Font.PLAIN, 6));
        assertFalse(plot1.equals(plot2));
        plot2.setValueFont(new Font("Serif", Font.PLAIN, 6));
        assertTrue(plot1.equals(plot2));

        // value paint
        plot1.setValuePaint(new GradientPaint(1.0f, 2.0f, Color.black,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setValuePaint(new GradientPaint(1.0f, 2.0f, Color.black,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));

        // tick labels visible
        plot1.setTickLabelsVisible(false);
        assertFalse(plot1.equals(plot2));
        plot2.setTickLabelsVisible(false);
        assertTrue(plot1.equals(plot2));

        // tick label font
        plot1.setTickLabelFont(new Font("Serif", Font.PLAIN, 6));
        assertFalse(plot1.equals(plot2));
        plot2.setTickLabelFont(new Font("Serif", Font.PLAIN, 6));
        assertTrue(plot1.equals(plot2));

        // tick label paint
        plot1.setTickLabelPaint(Color.red);
        assertFalse(plot1.equals(plot2));
        plot2.setTickLabelPaint(Color.red);
        assertTrue(plot1.equals(plot2));

        // tick label format
        plot1.setTickLabelFormat(new DecimalFormat("0"));
        assertFalse(plot1.equals(plot2));
        plot2.setTickLabelFormat(new DecimalFormat("0"));
        assertTrue(plot1.equals(plot2));

        // tick paint
        plot1.setTickPaint(Color.green);
        assertFalse(plot1.equals(plot2));
        plot2.setTickPaint(Color.green);
        assertTrue(plot1.equals(plot2));

        // tick size
        plot1.setTickSize(1.23);
        assertFalse(plot1.equals(plot2));
        plot2.setTickSize(1.23);
        assertTrue(plot1.equals(plot2));

        // draw border
        plot1.setDrawBorder(!plot1.getDrawBorder());
        assertFalse(plot1.equals(plot2));
        plot2.setDrawBorder(plot1.getDrawBorder());
        assertTrue(plot1.equals(plot2));

        // meter angle
        plot1.setMeterAngle(22);
        assertFalse(plot1.equals(plot2));
        plot2.setMeterAngle(22);
        assertTrue(plot1.equals(plot2));

    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        MeterPlot p1 = new MeterPlot();
        MeterPlot p2 = null;
        try {
            p2 = (MeterPlot) p1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(p1 != p2);
        assertTrue(p1.getClass() == p2.getClass());
        assertTrue(p1.equals(p2));

        // the clone and the original share a reference to the SAME dataset
        assertTrue(p1.getDataset() == p2.getDataset());

        // try a few checks to ensure that the clone is independent of the
        // original
        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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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization1() {
        MeterPlot p1 = new MeterPlot(null);
        p1.setDialBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        p1.setDialOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.red,
                2.0f, 1.0f, Color.blue));
        p1.setNeedlePaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        p1.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        p1.setTickPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        MeterPlot p2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(p1);
            out.close();
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization2() {
        MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
        MeterPlot p2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(p1);
            out.close();
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     * Draws the chart with a single range.  At one point, this caused a null
     * 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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