Examples of org.jfree.chart.renderer.xy.StandardXYItemRenderer$State

org.jfree.chart.renderer.xy.StandardXYItemRenderer
Records the state for the renderer. This is used to preserve state information between calls to the drawItem() method for a single chart drawing.

        s1.add(10.0, 10.0);
        dataset.addSeries(s1);
        JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y",
                dataset, PlotOrientation.VERTICAL, false, true, false);
        XYPlot plot = (XYPlot) chart.getPlot();
        plot.setRenderer(new StandardXYItemRenderer());
        NumberAxis xAxis = (NumberAxis) plot.getDomainAxis();
        xAxis.setRange(0.0, 5.0);
        NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
        yAxis.setRange(0.0, 5.0);
        BufferedImage image = new BufferedImage(200 , 100,

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    /**
     * Test that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        StandardXYItemRenderer r1 = new StandardXYItemRenderer();
        StandardXYItemRenderer r2 = new StandardXYItemRenderer();
        assertEquals(r1, r2);


        r1.setBaseShapesVisible(true);
        assertFalse(r1.equals(r2));
        r2.setBaseShapesVisible(true);
        assertTrue(r1.equals(r2));


        r1.setPlotLines(false);
        assertFalse(r1.equals(r2));
        r2.setPlotLines(false);
        assertTrue(r1.equals(r2));


        r1.setPlotImages(true);
        assertFalse(r1.equals(r2));
        r2.setPlotImages(true);
        assertTrue(r1.equals(r2));


        r1.setPlotDiscontinuous(true);
        assertFalse(r1.equals(r2));
        r2.setPlotDiscontinuous(true);
        assertTrue(r1.equals(r2));


        r1.setGapThresholdType(UnitType.ABSOLUTE);
        assertFalse(r1.equals(r2));
        r2.setGapThresholdType(UnitType.ABSOLUTE);
        assertTrue(r1.equals(r2));


        r1.setGapThreshold(1.23);
        assertFalse(r1.equals(r2));
        r2.setGapThreshold(1.23);
        assertTrue(r1.equals(r2));


        r1.setLegendLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
        assertFalse(r1.equals(r2));
        r2.setLegendLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
        assertTrue(r1.equals(r2));


        r1.setShapesFilled(false);
        assertFalse(r1.equals(r2));
        r2.setShapesFilled(false);
        assertTrue(r1.equals(r2));


        r1.setSeriesShapesFilled(1, Boolean.TRUE);
        assertFalse(r1.equals(r2));
        r2.setSeriesShapesFilled(1, Boolean.TRUE);
        assertTrue(r1.equals(r2));


        r1.setBaseShapesFilled(false);
        assertFalse(r1.equals(r2));
        r2.setBaseShapesFilled(false);
        assertTrue(r1.equals(r2));


        r1.setDrawSeriesLineAsPath(true);
        assertFalse(r1.equals(r2));
        r2.setDrawSeriesLineAsPath(true);
        assertTrue(r1.equals(r2));
    }

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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        StandardXYItemRenderer r1 = new StandardXYItemRenderer();
        StandardXYItemRenderer r2 = new StandardXYItemRenderer();
        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() {
        StandardXYItemRenderer r1 = new StandardXYItemRenderer();
        Rectangle2D rect1 = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0);
        r1.setLegendLine(rect1);
        StandardXYItemRenderer r2 = null;
        try {
            r2 = (StandardXYItemRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));


        // check independence
        rect1.setRect(4.0, 3.0, 2.0, 1.0);
        assertFalse(r1.equals(r2));
        r2.setLegendLine(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0));
        assertTrue(r1.equals(r2));


        r1.setSeriesShapesFilled(1, Boolean.TRUE);
        assertFalse(r1.equals(r2));
        r2.setSeriesShapesFilled(1, Boolean.TRUE);
        assertTrue(r1.equals(r2));
    }

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    /**
     * Verify that this class implements {@link PublicCloneable}.
     */
    public void testPublicCloneable() {
        StandardXYItemRenderer r1 = new StandardXYItemRenderer();
        assertTrue(r1 instanceof PublicCloneable);
    }

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        StandardXYItemRenderer r1 = new StandardXYItemRenderer();
        StandardXYItemRenderer r2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);
            out.close();

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


        StandardXYItemRenderer r = new StandardXYItemRenderer();
        XYPlot plot = new XYPlot(d1, new NumberAxis("x"),
                new NumberAxis("y"), r);
        plot.setDataset(1, d2);
        /*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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        s1.add(10.0, 10.0);
        dataset.addSeries(s1);
        JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y",
                dataset, PlotOrientation.VERTICAL, false, true, false);
        XYPlot plot = (XYPlot) chart.getPlot();
        plot.setRenderer(new StandardXYItemRenderer());
        NumberAxis xAxis = (NumberAxis) plot.getDomainAxis();
        xAxis.setRange(0.0, 5.0);
        NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
        yAxis.setRange(0.0, 5.0);
        BufferedImage image = new BufferedImage(200 , 100,

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    /**
     * Some checks for the findDomainBounds() method.
     */
    public void testFindDomainBounds() {
        AbstractXYItemRenderer renderer = new StandardXYItemRenderer();


        // check the bounds of a simple dataset
        XYDataset dataset = createDataset1();
        Range r = renderer.findDomainBounds(dataset);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(3.0, r.getUpperBound(), EPSILON);


        // check that a null dataset returns null bounds
        assertTrue(renderer.findDomainBounds(null) == null);
    }

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    /**
     * Some checks for the findRangeBounds() method.
     */
    public void testFindRangeBounds() {
        AbstractXYItemRenderer renderer = new StandardXYItemRenderer();
        // check that a null dataset returns null bounds
        assertTrue(renderer.findRangeBounds(null) == null);
    }

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