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:

        }
        NumberAxis xAxis = new NumberAxis(xAxisLabel);
        xAxis.setAutoRangeIncludesZero(false);
        ValueAxis yAxis = new NumberAxis(yAxisLabel);


        XYItemRenderer renderer = new XYBarRenderer();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(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,

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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));
        
        // legendBar
        r1.setLegendBar(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
        assertFalse(r1.equals(r2));
        r2.setLegendBar(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
        assertTrue(r1.equals(r2));
        
        // positiveItemLabelFallbackPosition
        r1.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
        assertFalse(r1.equals(r2));
        r2.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
        assertTrue(r1.equals(r2));


        // negativeItemLabelFallbackPosition
        r1.setNegativeItemLabelPositionFallback(new ItemLabelPosition());
        assertFalse(r1.equals(r2));
        r2.setNegativeItemLabelPositionFallback(new ItemLabelPosition());
        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();
        Rectangle2D rect = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0);
        r1.setLegendBar(rect);
        XYBarRenderer r2 = null;
        try {
            r2 = (XYBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
        
        // check independence
        rect.setRect(4.0, 3.0, 2.0, 1.0);
        assertFalse(r1.equals(r2));
        r2.setLegendBar(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0));
        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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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization2() {


        XYBarRenderer r1 = new XYBarRenderer();
        r1.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
        XYBarRenderer r2 = null;


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

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        s5.add(1.0, 1.1);
        d2.addSeries(s3);
        d2.addSeries(s4);
        d2.addSeries(s5);


        XYBarRenderer r = new XYBarRenderer();
        XYPlot plot = new XYPlot(new XYBarDataset(d1, 1.0), new NumberAxis("x"),
                new NumberAxis("y"), r);
        plot.setDataset(1, new XYBarDataset(d2, 2.0));
        /*JFreeChart chart =*/ new JFreeChart(plot);
        LegendItem li = r.getLegendItem(1, 2);
        assertEquals("S5", li.getLabel());
        assertEquals(1, li.getDatasetIndex());
        assertEquals(2, li.getSeriesIndex());
    }

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     * Check that the legendItemLabelGenerator is cloned.
     */
    public void testCloning_LegendItemLabelGenerator() {
        StandardXYSeriesLabelGenerator generator 
                = new StandardXYSeriesLabelGenerator("Series {0}");
        XYBarRenderer r1 = new XYBarRenderer();
        r1.setLegendItemLabelGenerator(generator);
        XYBarRenderer r2 = null;
        try {
            r2 = (XYBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
        
        // check that the generator has been cloned
        assertTrue(r1.getLegendItemLabelGenerator() 
                != r2.getLegendItemLabelGenerator());
    }

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     * Check that the legendItemToolTipGenerator is cloned.
     */
    public void testCloning_LegendItemToolTipGenerator() {
        StandardXYSeriesLabelGenerator generator 
                = new StandardXYSeriesLabelGenerator("Series {0}");
        XYBarRenderer r1 = new XYBarRenderer();
        r1.setLegendItemToolTipGenerator(generator);
        XYBarRenderer r2 = null;
        try {
            r2 = (XYBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
        
        // check that the generator has been cloned
        assertTrue(r1.getLegendItemToolTipGenerator() 
                != r2.getLegendItemToolTipGenerator());
    }

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     * Check that the legendItemURLGenerator is cloned.
     */
    public void testCloning_LegendItemURLGenerator() {
        StandardXYSeriesLabelGenerator generator 
                = new StandardXYSeriesLabelGenerator("Series {0}");
        XYBarRenderer r1 = new XYBarRenderer();
        r1.setLegendItemURLGenerator(generator);
        XYBarRenderer r2 = null;
        try {
            r2 = (XYBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
        
        // check that the generator has been cloned
        assertTrue(r1.getLegendItemURLGenerator() 
                != r2.getLegendItemURLGenerator());
    }

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