Examples of org.jfree.chart.renderer.category.AreaRenderer

Package org.jfree.chart.renderer.category

Examples of org.jfree.chart.renderer.category.AreaRenderer

org.jfree.chart.renderer.category.AreaRenderer
A category item renderer that draws area charts. You can use this renderer with the {@link CategoryPlot} class. The example shown here is generatedby the AreaChartDemo1.java program included in the JFreeChart Demo Collection:


    /**
     * Two objects that are equal are required to return the same hashCode. 
     */
    public void testHashcode() {
        AreaRenderer r1 = new AreaRenderer();
        AreaRenderer r2 = new AreaRenderer();
        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() {
        AreaRenderer r1 = new AreaRenderer();
        AreaRenderer r2 = null;
        try {
            r2 = (AreaRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("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() {


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


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

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        CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
        categoryAxis.setCategoryMargin(0.0);


        ValueAxis valueAxis = new NumberAxis(valueAxisLabel);


        AreaRenderer renderer = new AreaRenderer();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                new StandardCategoryToolTipGenerator()
            );
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                new StandardCategoryURLGenerator()
            );
        }


        CategoryPlot plot = new CategoryPlot(

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        assertFalse(plot1.equals(plot2));
        plot2.mapDatasetToRangeAxis(11, 11);
        assertTrue(plot1.equals(plot2));
        
        // renderer - no longer a separate field but test anyway...
        plot1.setRenderer(new AreaRenderer());
        assertFalse(plot1.equals(plot2));
        plot2.setRenderer(new AreaRenderer());
        assertTrue(plot1.equals(plot2));
        
        // renderers...
        plot1.setRenderer(11, new AreaRenderer());
        assertFalse(plot1.equals(plot2));
        plot2.setRenderer(11, new AreaRenderer());
        assertTrue(plot1.equals(plot2));
        
        // rendering order...
        plot1.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
        assertFalse(plot1.equals(plot2));

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Related Classes of org.jfree.chart.renderer.category.AreaRenderer

de.laures.cewolf.taglib.PlotTypes

org.efs.openreports.engine.ChartReportEngine

org.jfree.chart.ChartFactory

org.jfree.chart.entity.CategoryItemEntity

org.jfree.chart.entity.EntityCollection

org.jfree.chart.event.RendererChangeEvent

org.jfree.chart.labels.CategoryToolTipGenerator

org.jfree.chart.LegendItem

org.jfree.chart.plot.CategoryPlot

org.jfree.chart.plot.CategoryPlotTest

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