Examples of org.jfree.chart.renderer.xy.XYBarRenderer

org.jfree.chart.renderer.xy.XYBarRenderer
A renderer that draws bars on an {@link XYPlot} (requires an{@link IntervalXYDataset}). The example shown here is generated by the XYBarChartDemo1.java program included in the JFreeChart demo collection:

        XYPlot p1 = new XYPlot(
            null, new NumberAxis("Domain Axis"), new NumberAxis("Range Axis"),
            new StandardXYItemRenderer()
        );   
        p1.setRangeAxis(1, new NumberAxis("Range Axis 2"));
        p1.setRenderer(1, new XYBarRenderer());
        XYPlot p2 = null;
        try {
            p2 = (XYPlot) p1.clone();
        }
        catch (CloneNotSupportedException e) {

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        );
        p1.setDomainAxis(1, new NumberAxis("Domain Axis 2"));
        p1.setDomainAxisLocation(1, AxisLocation.BOTTOM_OR_LEFT);
        p1.setRangeAxis(1, new NumberAxis("Range Axis 2"));
        p1.setRangeAxisLocation(1, AxisLocation.TOP_OR_RIGHT);
        p1.setRenderer(1, new XYBarRenderer());
        XYPlot p2 = null;        
        try {
            p2 = (XYPlot) p1.clone();
        }
        catch (CloneNotSupportedException e) {

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     * and a {@link StandardXYToolTipGenerator}.
     */
    public void testSerialization2() {


        IntervalXYDataset data1 = createDataset1();
        XYItemRenderer renderer1 = new XYBarRenderer(0.20);
        renderer1.setToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
        XYPlot p1 = new XYPlot(data1, new DateAxis("Date"), null, renderer1);
        XYPlot p2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();

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            axis.setAutoRangeIncludesZero(false);
            domainAxis = axis;
        }
        ValueAxis valueAxis = new NumberAxis(yAxisLabel);


        XYBarRenderer renderer = new XYBarRenderer();
        if (tooltips) {
            renderer.setToolTipGenerator(new StandardXYToolTipGenerator());
        }
        if (urls) {
            renderer.setURLGenerator(new StandardXYURLGenerator());
        }


        XYPlot plot = new XYPlot(dataset, domainAxis, valueAxis, renderer);
        plot.setOrientation(orientation);

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            throw new IllegalArgumentException("Null 'orientation' argument.");
        }
        ValueAxis xAxis = new NumberAxis(xAxisLabel);
        ValueAxis yAxis = new NumberAxis(yAxisLabel);


        XYItemRenderer renderer = new XYBarRenderer();
        if (tooltips) {
            renderer.setToolTipGenerator(new StandardXYToolTipGenerator());
        }
        if (urls) {
            renderer.setURLGenerator(new StandardXYURLGenerator());
        }


        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
        plot.setOrientation(orientation);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

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    /**
     * Test that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        // default instances
        XYBarRenderer r1 = new XYBarRenderer();
        XYBarRenderer r2 = new XYBarRenderer();
        assertTrue(r1.equals(r2));
        assertTrue(r2.equals(r1));
        
        // setBase()
        r1.setBase(1.0);
        assertFalse(r1.equals(r2));
        r2.setBase(1.0);
        assertTrue(r1.equals(r2));
        
        // setUseYInterval
        r1.setUseYInterval(!r1.getUseYInterval());
        assertFalse(r1.equals(r2));
        r2.setUseYInterval(!r2.getUseYInterval());
        assertTrue(r1.equals(r2));
        
        // setMargin()
        r1.setMargin(0.10);
        assertFalse(r1.equals(r2));
        r2.setMargin(0.10);
        assertTrue(r1.equals(r2));
        
        // setDrawBarOutline()
        r1.setDrawBarOutline(!r1.isDrawBarOutline());
        assertFalse(r1.equals(r2));
        r2.setDrawBarOutline(!r2.isDrawBarOutline());
        assertTrue(r1.equals(r2));
        
        // setGradientPaintTransformer()
        r1.setGradientPaintTransformer(
            new StandardGradientPaintTransformer(
                GradientPaintTransformType.CENTER_HORIZONTAL
            )
        );
        assertFalse(r1.equals(r2));
        r2.setGradientPaintTransformer(
            new StandardGradientPaintTransformer(
                GradientPaintTransformType.CENTER_HORIZONTAL
            )
        );
        assertTrue(r1.equals(r2));

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    /**
     * Two objects that are equal are required to return the same hashCode. 
     */
    public void testHashcode() {
        XYBarRenderer r1 = new XYBarRenderer();
        XYBarRenderer r2 = new XYBarRenderer();
        assertTrue(r1.equals(r2));
        int h1 = r1.hashCode();
        int h2 = r2.hashCode();
        assertEquals(h1, h2);
    }

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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        XYBarRenderer r1 = new XYBarRenderer();
        XYBarRenderer r2 = null;
        try {
            r2 = (XYBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("XYBarRendererTests.testCloning: failed to clone.");
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }

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


        XYBarRenderer r1 = new XYBarRenderer();
        XYBarRenderer r2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);

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            axis.setAutoRangeIncludesZero(false);
            domainAxis = axis;
        }
        ValueAxis valueAxis = new NumberAxis(yAxisLabel);


        XYBarRenderer renderer = new XYBarRenderer();
        if (tooltips) {
            XYToolTipGenerator tt;
            if (dateAxis) {
                tt = StandardXYToolTipGenerator.getTimeSeriesInstance();
            }
            else {
                tt = new StandardXYToolTipGenerator();
            }
            renderer.setBaseToolTipGenerator(tt);
        }
        if (urls) {
            renderer.setURLGenerator(new StandardXYURLGenerator());
        }


        XYPlot plot = new XYPlot(dataset, domainAxis, valueAxis, renderer);
        plot.setOrientation(orientation);

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