Package org.jfree.chart.renderer.category

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

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

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

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);
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        try {
            DefaultCategoryDataset dataset = new DefaultCategoryDataset();
            dataset.addValue(1.0, "S1", "C1");
            CategoryPlot plot = new CategoryPlot(dataset,
                    new CategoryAxis("Category"), new NumberAxis("Value"),
                    new LayeredBarRenderer());
            JFreeChart chart = new JFreeChart(plot);
            /* BufferedImage image = */ chart.createBufferedImage(300, 200,
                    null);
            success = true;
        }
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        // add a reference line in the middle of the dataset
        if (addReferenceLine) {
            DefaultCategoryDataset referenceLineDataset = new DefaultCategoryDataset();
            referenceLineDataset.addValue(1.0, "A", "B");
            plot.setDataset(1, referenceLineDataset);
            LayeredBarRenderer referenceLineRenderer = new LayeredBarRenderer();
            referenceLineRenderer.setSeriesBarWidth(0, referenceLineWidth);
            referenceLineRenderer.setSeriesFillPaint(0, referenceLineColor);
            referenceLineRenderer.setSeriesPaint(0, referenceLineColor);
            plot.setRenderer(1, referenceLineRenderer);
        }

        // set up the chart renderer
        plot.setRenderer(0, renderer);
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    /**
     * Problem that the equals(...) method distinguishes all fields.
     */
    public void testEquals() {
        LayeredBarRenderer r1 = new LayeredBarRenderer();
        LayeredBarRenderer r2 = new LayeredBarRenderer();
        assertEquals(r1, r2);
    }
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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        LayeredBarRenderer r1 = new LayeredBarRenderer();
        LayeredBarRenderer r2 = new LayeredBarRenderer();
        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() {
        LayeredBarRenderer r1 = new LayeredBarRenderer();
        LayeredBarRenderer r2 = null;
        try {
            r2 = (LayeredBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("LayeredBarRendererTests.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() {

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

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);
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    /**
     * Check that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        LayeredBarRenderer r1 = new LayeredBarRenderer();
        LayeredBarRenderer r2 = new LayeredBarRenderer();
        assertEquals(r1, r2);
    }
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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        LayeredBarRenderer r1 = new LayeredBarRenderer();
        LayeredBarRenderer r2 = new LayeredBarRenderer();
        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() {
        LayeredBarRenderer r1 = new LayeredBarRenderer();
        LayeredBarRenderer r2 = null;
        try {
            r2 = (LayeredBarRenderer) 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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