Java BarRenderer.setDrawBarOutline方法代码示例

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
private static void configureBarRenderer(BarRenderer renderer, ValueSource valueSource, PlotInstance plotInstance) {
	StandardBarPainter barPainter = new StandardBarPainter();
	renderer.setBarPainter(barPainter);
	renderer.setGradientPaintTransformer(null);

	ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource);
	int seriesCount = valueSourceData.getSeriesCount();
	DimensionConfig domainConfig = valueSource.getDomainConfig();
	DimensionConfig colorDimensionConfig = plotInstance.getCurrentPlotConfigurationClone().getDimensionConfig(
			PlotDimension.COLOR);
	SeriesFormat seriesFormat = valueSource.getSeriesFormat();

	// Loop all series and set series format.
	// Format based on dimension configs will be set later on in initFormatDelegate().
	for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) {
		// configure series paint if necessary
		if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) {
			renderer.setSeriesPaint(seriesIdx, seriesFormat.getAreaFillPaint());
		}

		// configure general style of the bars
		renderer.setShadowVisible(false);
		renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT);
	}
	renderer.setDrawBarOutline(true);
}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Creates the histogram chart.
 * 
 * @return
 */
private JFreeChart createBarChart() {
	JFreeChart chart = ChartFactory.createBarChart(null, null, null, createBarDataset(), PlotOrientation.VERTICAL,
			false, false, false);
	AbstractAttributeStatisticsModel.setDefaultChartFonts(chart);
	chart.setBackgroundPaint(null);
	chart.setBackgroundImageAlpha(0.0f);

	CategoryPlot plot = (CategoryPlot) chart.getPlot();
	plot.setRangeGridlinesVisible(false);
	plot.setDomainGridlinesVisible(false);
	plot.setOutlineVisible(false);
	plot.setRangeZeroBaselineVisible(false);
	plot.setDomainGridlinesVisible(false);
	plot.setBackgroundPaint(COLOR_INVISIBLE);
	plot.setBackgroundImageAlpha(0.0f);

	BarRenderer renderer = (BarRenderer) plot.getRenderer();
	renderer.setSeriesPaint(0, AttributeGuiTools.getColorForValueType(Ontology.NOMINAL));
	renderer.setBarPainter(new StandardBarPainter());
	renderer.setDrawBarOutline(true);
	renderer.setShadowVisible(false);

	return chart;
}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
     * Creates a sample chart.
     *
     * @param dataset  the dataset.
     *
     * @return The chart.
     */
    private static JFreeChart createChart(CategoryDataset dataset) {
        JFreeChart chart = ChartFactory.createBarChart(
            "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
                "Milliseconds" /* y-axis label */, dataset, PlotOrientation.HORIZONTAL,false,false,false);
        chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
                + "format (lower bars = better performance)"));
        chart.setBackgroundPaint(Color.white);
        CategoryPlot plot = (CategoryPlot) chart.getPlot();

        // ******************************************************************
        //  More than 150 demo applications are included with the JFreeChart
        //  Developer Guide...for more information, see:
        //
        //  >   http://www.object-refinery.com/jfreechart/guide.html
        //
        // ******************************************************************

        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        BarRenderer renderer = (BarRenderer) plot.getRenderer();
        renderer.setDrawBarOutline(false);
//        chart.getLegend().setFrame(BlockBorder.NONE);
        return chart;
    }
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // ******************************************************************
    //  More than 150 demo applications are included with the JFreeChart
    //  Developer Guide...for more information, see:
    //
    //  >   http://www.object-refinery.com/jfreechart/guide.html
    //
    // ******************************************************************

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Apply the chart style to the chart passed as parameter.
 *
 * @param chart the chart to apply the style to (is modified by the method)
 * @param dataset the dataset associated with the chart
 */
public void applyTo(JFreeChart chart, final DefaultCategoryDataset dataset) {
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setBarPainter(new StandardBarPainter());
    renderer.setDrawBarOutline(false);
    renderer.setShadowVisible(false);
    int seriesCount = dataset.getRowCount();
    int coloursSize = colours.size();
    int colourMod;
    for (int series = 0; series < seriesCount; series++) {
        colourMod = series % coloursSize;
        renderer.setSeriesPaint(series, this.colours.get(colourMod));
    }

}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
private JFreeChart createChart(CategoryDataset dataset, HttpServletRequest request) {
    JFreeChart chart = ChartFactory.createBarChart(null, null, null, dataset, PlotOrientation.HORIZONTAL, false, false, false);

    CategoryPlot plot = chart.getCategoryPlot();
    Paint background = new GradientPaint(0, 0, Color.lightGray, 0, IMAGE_MIN_HEIGHT, Color.white);
    plot.setBackgroundPaint(background);
    plot.setDomainGridlinePaint(Color.white);
    plot.setDomainGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.white);
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

    LogarithmicAxis rangeAxis = new LogarithmicAxis(null);
    rangeAxis.setStrictValuesFlag(false);
    rangeAxis.setAllowNegativesFlag(true);
    plot.setRangeAxis(rangeAxis);

    // Disable bar outlines.
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    // Set up gradient paint for series.
    GradientPaint gp0 = new GradientPaint(
            0.0f, 0.0f, Color.blue,
            0.0f, 0.0f, new Color(0, 0, 64)
    );
    renderer.setSeriesPaint(0, gp0);

    // Rotate labels.
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));

    // Set theme-specific colors.
    Color bgColor = getBackground(request);
    Color fgColor = getForeground(request);

    chart.setBackgroundPaint(bgColor);

    domainAxis.setTickLabelPaint(fgColor);
    domainAxis.setTickMarkPaint(fgColor);
    domainAxis.setAxisLinePaint(fgColor);

    rangeAxis.setTickLabelPaint(fgColor);
    rangeAxis.setTickMarkPaint(fgColor);
    rangeAxis.setAxisLinePaint(fgColor);

    return chart;
}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Creates a chart.
 * 
 * @param dataset  the dataset.
 * 
 * @return A chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    
    JFreeChart chart = ChartFactory.createBarChart(
        "",  // chart title
        "�rea",
        "Valor",
        dataset,             // data
        PlotOrientation.VERTICAL,
        true,
        false,
        false
    );
    
    

    CategoryPlot  plot = (CategoryPlot) chart.getPlot();
    plot.setNoDataMessage("No hay informaci�n disponible");
    plot.setBackgroundPaint(Color.white);
    plot.setDomainGridlinePaint(Color.black);
    plot.setRangeGridlinePaint(Color.black);
    
    ((BarRenderer) plot.getRenderer()).setBarPainter(new StandardBarPainter());
    final BarRenderer renderer = (BarRenderer) plot.getRenderer();        
    renderer.setDrawBarOutline(false);
    
    
    renderer.setSeriesPaint(1, new Color(255,255,0));
    renderer.setSeriesPaint(2, new Color(11,70,119));
    renderer.setSeriesPaint(3, new Color(143,195,19));
    renderer.setSeriesPaint(4, new Color(255,0,0));
    
    return chart;
    
}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
private JFreeChart createNominalChart() {
	JFreeChart chart;
	CategoryDataset dataset = createNominalDataSet();

	// create the chart...
	String domainName = dataTable == null ? MODEL_DOMAIN_AXIS_NAME : dataTable.getColumnName(plotColumn);
	chart = ChartFactory.createBarChart(null, // chart title
			domainName, // x axis label
			RANGE_AXIS_NAME, // y axis label
			dataset, // data
			PlotOrientation.VERTICAL, true, // include legend
			true, // tooltips
			false // urls
			);

	CategoryPlot plot = chart.getCategoryPlot();

	BarRenderer renderer = new BarRenderer();
	if (dataset.getRowCount() == 1) {
		renderer.setSeriesPaint(0, Color.RED);
		renderer.setSeriesFillPaint(0, Color.RED);
	} else {
		for (int i = 0; i < dataset.getRowCount(); i++) {
			Color color = getColorProvider(true).getPointColor((double) i / (double) (dataset.getRowCount() - 1));
			renderer.setSeriesPaint(i, color);
			renderer.setSeriesFillPaint(i, color);
		}
	}
	renderer.setBarPainter(new RapidBarPainter());
	renderer.setDrawBarOutline(true);
	plot.setRenderer(renderer);

	// rotate labels
	if (isLabelRotating()) {
		plot.getDomainAxis().setTickLabelsVisible(true);
		plot.getDomainAxis().setCategoryLabelPositions(
				CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 2.0d));
	}

	return chart;
}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Test that the equals() method distinguishes all fields.
 */
public void testEquals() {
    BarRenderer r1 = new BarRenderer();
    BarRenderer r2 = new BarRenderer();
    assertTrue(r1.equals(r2));
    assertTrue(r2.equals(r1));
    
    // itemMargin
    r1.setItemMargin(0.22);
    assertFalse(r1.equals(r2));
    r2.setItemMargin(0.22);
    assertTrue(r1.equals(r2));
    
    // drawBarOutline
    r1.setDrawBarOutline(!r1.isDrawBarOutline());
    assertFalse(r1.equals(r2));
    r2.setDrawBarOutline(!r2.isDrawBarOutline());
    assertTrue(r1.equals(r2));
    
    // maxBarWidth
    r1.setMaxBarWidth(0.11);
    assertFalse(r1.equals(r2));
    r2.setMaxBarWidth(0.11);
    assertTrue(r1.equals(r2));
    
    // minimumBarLength
    r1.setMinimumBarLength(0.04);
    assertFalse(r1.equals(r2));
    r2.setMinimumBarLength(0.04);
    assertTrue(r1.equals(r2));
    
    // gradientPaintTransformer
    r1.setGradientPaintTransformer(
        new StandardGradientPaintTransformer(GradientPaintTransformType.CENTER_VERTICAL)
    );
    assertFalse(r1.equals(r2));
    r2.setGradientPaintTransformer(
        new StandardGradientPaintTransformer(GradientPaintTransformType.CENTER_VERTICAL)
    );
    assertTrue(r1.equals(r2));
    
    // positiveItemLabelPositionFallback
    r1.setPositiveItemLabelPositionFallback(
        new ItemLabelPosition(ItemLabelAnchor.INSIDE1, TextAnchor.CENTER)
    );
    assertFalse(r1.equals(r2));
    r2.setPositiveItemLabelPositionFallback(
        new ItemLabelPosition(ItemLabelAnchor.INSIDE1, TextAnchor.CENTER)
    );
    assertTrue(r1.equals(r2));

    // negativeItemLabelPositionFallback
    r1.setNegativeItemLabelPositionFallback(
        new ItemLabelPosition(ItemLabelAnchor.INSIDE1, TextAnchor.CENTER)
    );
    assertFalse(r1.equals(r2));
    r2.setNegativeItemLabelPositionFallback(
        new ItemLabelPosition(ItemLabelAnchor.INSIDE1, TextAnchor.CENTER)
    );
    assertTrue(r1.equals(r2));

}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Creates a sample chart.
 * 
 * @param dataset  the dataset.
 * 
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    
    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart(
        "Bar Chart Demo",         // chart title
        "Category",               // domain axis label
        "Value",                  // range axis label
        dataset,                  // data
        PlotOrientation.VERTICAL, // orientation
        true,                     // include legend
        true,                     // tooltips?
        false                     // URLs?
    );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...

    // set the background color for the chart...
    chart.setBackgroundPaint(Color.white);

    // get a reference to the plot for further customisation...
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setDomainGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.white);

    // set the range axis to display integers only...
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
        CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0)
    );
    // OPTIONAL CUSTOMISATION COMPLETED.
    
    return chart;
    
}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Test that the equals() method distinguishes all fields.
 */
public void testEquals() {
    BarRenderer r1 = new BarRenderer();
    BarRenderer r2 = new BarRenderer();
    assertTrue(r1.equals(r2));
    assertTrue(r2.equals(r1));
    
    // base value
    r1.setBase(0.123);
    assertFalse(r1.equals(r2));
    r2.setBase(0.123);
    assertTrue(r1.equals(r2));
    
    // itemMargin
    r1.setItemMargin(0.22);
    assertFalse(r1.equals(r2));
    r2.setItemMargin(0.22);
    assertTrue(r1.equals(r2));
    
    // drawBarOutline
    r1.setDrawBarOutline(!r1.isDrawBarOutline());
    assertFalse(r1.equals(r2));
    r2.setDrawBarOutline(!r2.isDrawBarOutline());
    assertTrue(r1.equals(r2));
    
    // maximumBarWidth
    r1.setMaximumBarWidth(0.11);
    assertFalse(r1.equals(r2));
    r2.setMaximumBarWidth(0.11);
    assertTrue(r1.equals(r2));
    
    // minimumBarLength
    r1.setMinimumBarLength(0.04);
    assertFalse(r1.equals(r2));
    r2.setMinimumBarLength(0.04);
    assertTrue(r1.equals(r2));
    
    // gradientPaintTransformer
    r1.setGradientPaintTransformer(
        new StandardGradientPaintTransformer(
            GradientPaintTransformType.CENTER_VERTICAL
        )
    );
    assertFalse(r1.equals(r2));
    r2.setGradientPaintTransformer(
        new StandardGradientPaintTransformer(
            GradientPaintTransformType.CENTER_VERTICAL
        )
    );
    assertTrue(r1.equals(r2));
    
    // positiveItemLabelPositionFallback
    r1.setPositiveItemLabelPositionFallback(
        new ItemLabelPosition(ItemLabelAnchor.INSIDE1, TextAnchor.CENTER)
    );
    assertFalse(r1.equals(r2));
    r2.setPositiveItemLabelPositionFallback(
        new ItemLabelPosition(ItemLabelAnchor.INSIDE1, TextAnchor.CENTER)
    );
    assertTrue(r1.equals(r2));

    // negativeItemLabelPositionFallback
    r1.setNegativeItemLabelPositionFallback(
        new ItemLabelPosition(ItemLabelAnchor.INSIDE1, TextAnchor.CENTER)
    );
    assertFalse(r1.equals(r2));
    r2.setNegativeItemLabelPositionFallback(
        new ItemLabelPosition(ItemLabelAnchor.INSIDE1, TextAnchor.CENTER)
    );
    assertTrue(r1.equals(r2));

}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Creates a sample chart.
 * 
 * @param dataset  the dataset.
 * 
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    
    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart(
        "Bar Chart Demo 1",       // chart title
        "Category",               // domain axis label
        "Value",                  // range axis label
        dataset,                  // data
        PlotOrientation.VERTICAL, // orientation
        true,                     // include legend
        true,                     // tooltips?
        false                     // URLs?
    );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...

    // set the background color for the chart...
    chart.setBackgroundPaint(Color.white);

    // get a reference to the plot for further customisation...
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setDomainGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.white);

    // ******************************************************************
    //  More than 150 demo applications are included with the JFreeChart
    //  Developer Guide...for more information, see:
    //
    //  >   http://www.object-refinery.com/jfreechart/guide.html
    //
    // ******************************************************************
    
    // set the range axis to display integers only...
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    
    // set up gradient paints for series...
    GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 
            0.0f, 0.0f, new Color(0, 0, 64));
    GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 
            0.0f, 0.0f, new Color(0, 64, 0));
    GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 
            0.0f, 0.0f, new Color(64, 0, 0));
    renderer.setSeriesPaint(0, gp0);
    renderer.setSeriesPaint(1, gp1);
    renderer.setSeriesPaint(2, gp2);

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
            CategoryLabelPositions.createUpRotationLabelPositions(
                    Math.PI / 6.0));
    // OPTIONAL CUSTOMISATION COMPLETED.
    
    return chart;
    
}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Creates a sample chart.
 * @param dataset  the dataset.
 * @return The chart.
 */
private JFreeChart createChart(CategoryDataset dataset) {
    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart(
        "jaffa.sf.net 2005 Statistics",// chart title
        "Month",                  // domain axis label
        "Hits",                  // range axis label
        dataset,                  // data
        PlotOrientation.VERTICAL, // orientation
        true,                     // include legend
        true,                     // tooltips?
        false                     // URLs?
    );
 
    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
 
    // set the background color for the chart...
    chart.setBackgroundPaint(Color.white);
 
    // get a reference to the plot for further customisation...
    CategoryPlot plot = chart.getCategoryPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setDomainGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.white);
 
    // set the range axis to display integers only...
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
 
    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
 
    // set up gradient paints for series...
    GradientPaint gp0 = new GradientPaint(
        0.0f, 0.0f, Color.blue,
        0.0f, 0.0f, new Color(0, 0, 64)
    );
    GradientPaint gp1 = new GradientPaint(
        0.0f, 0.0f, Color.green,
        0.0f, 0.0f, new Color(0, 64, 0)
    );
    GradientPaint gp2 = new GradientPaint(
        0.0f, 0.0f, Color.red,
        0.0f, 0.0f, new Color(64, 0, 0)
    );
    renderer.setSeriesPaint(0, gp0);
    renderer.setSeriesPaint(1, gp1);
    renderer.setSeriesPaint(2, gp2);
 
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
        CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0)
    );
    // OPTIONAL CUSTOMISATION COMPLETED.
 
    return chart;
}
 

import org.jfree.chart.renderer.category.BarRenderer; //导入方法依赖的package包/类
/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {

    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart(
        "SWTBarChartDemo1",       // chart title
        "Category",               // domain axis label
        "Value",                  // range axis label
        dataset,                  // data
        PlotOrientation.VERTICAL, // orientation
        true,                     // include legend
        true,                     // tooltips?
        false                     // URLs?
    );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...

    // get a reference to the plot for further customisation...
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // set the range axis to display integers only...
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    // the SWTGraphics2D class doesn't handle GradientPaint well, so
    // replace the gradient painter from the default theme with a
    // standard painter...
    renderer.setBarPainter(new StandardBarPainter());

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
            CategoryLabelPositions.createUpRotationLabelPositions(
                    Math.PI / 6.0));
    // OPTIONAL CUSTOMISATION COMPLETED.

    return chart;

}