Examples of HighLowRenderer

org.jfree.chart.renderer.xy.HighLowRenderer
A renderer that draws high/low/open/close markers on an {@link XYPlot}(requires a {@link OHLCDataset}). This renderer does not include code to calculate the crosshair point for the plot. The example shown here is generated by the HighLowChartDemo1.java program included in the JFreeChart Demo Collection:

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


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

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

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

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

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


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


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

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

                                                OHLCDataset dataset,
                                                boolean legend) {


        ValueAxis timeAxis = new DateAxis(timeAxisLabel);
        NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
        HighLowRenderer renderer = new HighLowRenderer();
        renderer.setBaseToolTipGenerator(new HighLowItemLabelGenerator());
        XYPlot plot = new XYPlot(dataset, timeAxis, valueAxis, renderer);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        return chart;

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

                                                boolean legend) {


        DateAxis timeAxis = new DateAxis(timeAxisLabel);
        timeAxis.setTimeline(timeline);
        NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
        HighLowRenderer renderer = new HighLowRenderer();
        renderer.setBaseToolTipGenerator(new HighLowItemLabelGenerator());
        XYPlot plot = new XYPlot(dataset, timeAxis, valueAxis, renderer);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        return chart;

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


    /**
     * Check that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        HighLowRenderer r1 = new HighLowRenderer();
        HighLowRenderer r2 = new HighLowRenderer();
        assertEquals(r1, r2);
        
        // drawOpenTicks
        r1.setDrawOpenTicks(false);
        assertFalse(r1.equals(r2));
        r2.setDrawOpenTicks(false);
        assertTrue(r1.equals(r2));
        
        // drawCloseTicks
        r1.setDrawCloseTicks(false);
        assertFalse(r1.equals(r2));
        r2.setDrawCloseTicks(false);
        assertTrue(r1.equals(r2));
        
        // openTickPaint
        r1.setOpenTickPaint(Color.red);
        assertFalse(r1.equals(r2));
        r2.setOpenTickPaint(Color.red);
        assertTrue(r1.equals(r2));
        
        // closeTickPaint
        r1.setCloseTickPaint(Color.blue);
        assertFalse(r1.equals(r2));
        r2.setCloseTickPaint(Color.blue);
        assertTrue(r1.equals(r2));
    }

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


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

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

    
    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        HighLowRenderer r1 = new HighLowRenderer();
        r1.setCloseTickPaint(Color.green);
        HighLowRenderer r2 = null;
        try {
            r2 = (HighLowRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }

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

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


        HighLowRenderer r1 = new HighLowRenderer();
        r1.setCloseTickPaint(Color.green);
        HighLowRenderer r2 = null;


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

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


    /**
     * Some checks for the findRangeBounds() method.
     */
    public void testFindRangeBounds() {
        HighLowRenderer renderer = new HighLowRenderer();
        
        OHLCDataItem item1 = new OHLCDataItem(new Date(1L), 2.0, 4.0, 1.0, 3.0, 
                100);
        OHLCDataset dataset = new DefaultOHLCDataset("S1", 
                new OHLCDataItem[] {item1});
        Range range = renderer.findRangeBounds(dataset);
        assertEquals(new Range(1.0, 4.0), range);


        OHLCDataItem item2 = new OHLCDataItem(new Date(1L), -1.0, 3.0, -1.0, 
                3.0, 100);
        dataset = new DefaultOHLCDataset("S1", new OHLCDataItem[] {item1, 
                item2});
        range = renderer.findRangeBounds(dataset);
        assertEquals(new Range(-1.0, 4.0), range);
        
        // try an empty dataset - should return a null range
        dataset = new DefaultOHLCDataset("S1", new OHLCDataItem[] {});
        range = renderer.findRangeBounds(dataset);
        assertNull(range);
        
        // try a null dataset - should return a null range
        range = renderer.findRangeBounds(null);
        assertNull(range);
    }

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