Example usage for org.jfree.chart JFreeChart getPlot

Introduction

In this page you can find the example usage for org.jfree.chart JFreeChart getPlot.

Prototype

public Plot getPlot() 

Source Link

Document

Returns the plot for the chart.

Usage

From source file:icaro.aplicaciones.recursos.recursoEstadistica.jFreeChart.demo.PieChartDemo1.java

/**
 * Creates a chart./*from  www  .j  a va 2 s.  com*/
 *
 * @param dataset  the dataset.
 *
 * @return A chart.
 */
private static JFreeChart createChart(PieDataset dataset) {

    JFreeChart chart = ChartFactory.createPieChart("Smart Phones Manufactured / Q3 2011", // chart title
            dataset, // data
            false, // no legend
            true, // tooltips
            false // no URL generation
    );

    // set a custom background for the chart
    chart.setBackgroundPaint(
            new GradientPaint(new Point(0, 0), new Color(20, 20, 20), new Point(400, 200), Color.DARK_GRAY));

    // customise the title position and font
    TextTitle t = chart.getTitle();
    t.setHorizontalAlignment(HorizontalAlignment.LEFT);
    t.setPaint(new Color(240, 240, 240));
    t.setFont(new Font("Arial", Font.BOLD, 26));

    PiePlot plot = (PiePlot) chart.getPlot();
    plot.setBackgroundPaint(null);
    plot.setInteriorGap(0.04);
    //        plot.setOutlineVisible(false);

    // use gradients and white borders for the section colours
    plot.setSectionPaint("Others", createGradientPaint(new Color(200, 200, 255), Color.BLUE));
    plot.setSectionPaint("Samsung", createGradientPaint(new Color(255, 200, 200), Color.RED));
    plot.setSectionPaint("Apple", createGradientPaint(new Color(200, 255, 200), Color.GREEN));
    plot.setSectionPaint("Nokia", createGradientPaint(new Color(200, 255, 200), Color.YELLOW));
    plot.setBaseSectionOutlinePaint(Color.WHITE);
    plot.setSectionOutlinesVisible(true);
    plot.setBaseSectionOutlineStroke(new BasicStroke(2.0f));

    // customise the section label appearance
    plot.setLabelFont(new Font("Courier New", Font.BOLD, 20));
    plot.setLabelLinkPaint(Color.WHITE);
    plot.setLabelLinkStroke(new BasicStroke(2.0f));
    plot.setLabelOutlineStroke(null);
    plot.setLabelPaint(Color.WHITE);
    plot.setLabelBackgroundPaint(null);

    // add a subtitle giving the data source
    TextTitle source = new TextTitle("Source: http://www.bbc.co.uk/news/business-15489523",
            new Font("Courier New", Font.PLAIN, 12));
    source.setPaint(Color.WHITE);
    source.setPosition(RectangleEdge.BOTTOM);
    source.setHorizontalAlignment(HorizontalAlignment.RIGHT);
    chart.addSubtitle(source);
    return chart;

}

---

From source file:grafici.StatisticheBarChart.java

/**
 * Creates a sample chart./*from ww  w . j  ava2 s .  c  om*/
 * 
 * @param dataset
 *            the dataset.
 * 
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset, Table results, int variabile, int valore) {

    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart(titolo, // chart
            // title
            "", // domain axis label
            results.getColumn(valore).getText().toUpperCase(), // 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();

    // ******************************************************************
    // 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...
    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 / 12.0));
    // OPTIONAL CUSTOMISATION COMPLETED.

    return chart;

}

---

From source file:osh.comdriver.simulation.cruisecontrol.ScheduleDrawer.java

/**
 * Creates a chart.//from  w  w w.java  2s. c o m
 *
 * @param dataset1  a dataset.
 * @return A chart.
 */
private static JFreeChart createChart(XYDataset dataset1, //power
        XYDataset dataset2, //costs
        XYDataset dataset3, long time) {

    JFreeChart chart = ChartFactory.createTimeSeriesChart("schedule", // title
            "time", // x-axis label
            "power", // y-axis label
            dataset1, // data
            true, // create legend?
            true, // generate tooltips?
            false // generate URLs?
    );

    chart.setBackgroundPaint(Color.white);

    XYPlot plot = (XYPlot) chart.getPlot();

    NumberAxis axis1 = new NumberAxis("power");
    NumberAxis axis2 = new NumberAxis("costs");
    axis1.setAutoRangeIncludesZero(true);
    axis1.setUpperBound(5000);
    axis1.setLowerBound(-5000);
    axis2.setAutoRangeIncludesZero(true);
    axis2.setUpperBound(50);
    axis2.setLowerBound(0);
    plot.setRangeAxis(0, axis1);
    plot.setRangeAxis(1, axis2);

    plot.setDataset(1, dataset2);
    plot.mapDatasetToRangeAxis(1, 1);

    plot.setDataset(2, dataset3);
    plot.mapDatasetToRangeAxis(2, 0);

    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);
    plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);
    //TODO: SHADOWS OFF

    final StandardXYItemRenderer r1 = new StandardXYItemRenderer();
    final StandardXYItemRenderer r2 = new StandardXYItemRenderer();
    final StandardXYItemRenderer r3 = new StandardXYItemRenderer();
    final StandardXYItemRenderer r4 = new StandardXYItemRenderer();
    plot.setRenderer(0, r1);
    plot.setRenderer(1, r2);
    plot.setRenderer(2, r3);
    plot.setRenderer(3, r4);

    int numberOfSeries = 0;
    numberOfSeries += dataset1.getSeriesCount();
    numberOfSeries += dataset2.getSeriesCount();
    numberOfSeries += dataset3.getSeriesCount();

    Color[] color = new Color[numberOfSeries];

    for (int i = 0; i < numberOfSeries / 2; i++) {
        color[i] = Color.getHSBColor(i * 1.0f / (numberOfSeries / 2), 1.0f, 1.0f);
    }

    int i = 0;

    for (int j = 0; j < dataset1.getSeriesCount() / 2; j++) {
        float[] rgbcolor = Color.RGBtoHSB(color[i].getRed(), color[i].getGreen(), color[i].getBlue(), null);
        plot.getRendererForDataset(dataset1).setSeriesPaint(2 * j, Color.getHSBColor(rgbcolor[0], 1.0f, 1.0f));
        plot.getRendererForDataset(dataset1).setSeriesPaint(2 * j + 1,
                Color.getHSBColor(rgbcolor[0], 1.0f, 0.6f));
        i++;
    }
    for (int j = 0; j < dataset2.getSeriesCount() / 2; j++) {
        float[] rgbcolor = Color.RGBtoHSB(color[i].getRed(), color[i].getGreen(), color[i].getBlue(), null);
        plot.getRendererForDataset(dataset2).setSeriesPaint(2 * j, Color.getHSBColor(rgbcolor[0], 1.0f, 1.0f));
        plot.getRendererForDataset(dataset2).setSeriesPaint(2 * j + 1,
                Color.getHSBColor(rgbcolor[0], 1.0f, 0.6f));
        i++;
    }
    for (int j = 0; j < dataset3.getSeriesCount() / 2; j++) {
        float[] rgbcolor = Color.RGBtoHSB(color[i].getRed(), color[i].getGreen(), color[i].getBlue(), null);
        plot.getRendererForDataset(dataset3).setSeriesPaint(2 * j, Color.getHSBColor(rgbcolor[0], 1.0f, 1.0f));
        plot.getRendererForDataset(dataset3).setSeriesPaint(2 * j + 1,
                Color.getHSBColor(rgbcolor[0], 1.0f, 0.6f));
        i++;
    }

    // NOW line
    double upperBound = plot.getRangeAxis(1).getUpperBound();
    double lowerBound = plot.getRangeAxis(1).getLowerBound();

    XYSeries nowLine = new XYSeries("now");
    nowLine.add(time * 1000, lowerBound);
    nowLine.add(time * 1000, upperBound);
    XYSeriesCollection nowColl = new XYSeriesCollection(); //power axis
    nowColl.addSeries(nowLine);
    XYDataset nowSet = nowColl;

    plot.setDataset(3, nowSet);
    plot.mapDatasetToRangeAxis(3, 1);

    plot.getRendererForDataset(nowSet).setSeriesPaint(0, Color.DARK_GRAY);
    plot.getRendererForDataset(nowSet).setSeriesStroke(0, (Stroke) new BasicStroke(2.0f, BasicStroke.CAP_ROUND,
            BasicStroke.JOIN_ROUND, 1.0f, new float[] { 6.0f, 6.0f }, 0.0f));

    plot.setDomainAxis(new DateAxis());
    plot.getDomainAxis().setAutoRange(false);

    long begin = (time / 86400) * 86400 * 1000; //beginning of day
    long end = begin + 86400 * 2 * 1000;

    plot.getDomainAxis().setRange(begin, end);

    return chart;

}

---

From source file:org.talend.dataprofiler.chart.util.TopChartFactory.java

/**
 * DOC xqliu Comment method "createStackedBarChart".
 * /*from w  w w.j  a  v a  2  s .com*/
 * @param title
 * @param domainAxisLabel
 * @param rangeAxisLabel
 * @param dataset
 * @param orientation
 * @param legend
 * @param tooltips
 * @param urls
 * @return
 */
public static JFreeChart createStackedBarChart(String title, String domainAxisLabel, String rangeAxisLabel,
        CategoryDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls) {
    // ADD msjian TDQ-5112 2012-4-10: after upgrate to jfreechart-1.0.12.jar, change the default chart wallPaint
    ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme());
    // TDQ-5112~
    final JFreeChart chart = ChartFactory.createStackedBarChart(title, domainAxisLabel, rangeAxisLabel, dataset,
            orientation, legend, tooltips, urls);

    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setRangeGridlinesVisible(true);

    StackedBarRenderer sbr = (StackedBarRenderer) plot.getRenderer();
    sbr.setBaseItemLabelsVisible(true);
    sbr.setRenderAsPercentages(true);
    sbr.setBaseItemLabelGenerator(new DQRuleItemLabelGenerator("{3}", NumberFormat.getIntegerInstance())); //$NON-NLS-1$
    sbr.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER));
    // ADD xqliu 2010-03-10 feature 10834
    // sbr.setBaseToolTipGenerator(new DQRuleToolTipGenerator(ChartDecorator.NEW_TOOL_TIP_FORMAT_STRING,
    // NumberFormat
    // .getInstance()));
    // ~10834

    // ADD TDQ-5251 msjian 2012-7-31: do not display the shadow
    sbr.setShadowVisible(false);
    // TDQ-5251~

    NumberAxis axis = (NumberAxis) plot.getRangeAxis();
    axis.setNumberFormatOverride(NumberFormat.getPercentInstance());
    axis.setUpperMargin(0.05f);
    axis.setLowerMargin(0.01f);

    return chart;
}

---

From source file:org.amanzi.splash.chart.Charts.java

/**
 * This method creates a chart.//  w w w .ja va2 s.  c o m
 * 
 * @param dataset. dataset provides the data to be displayed in the chart. The parameter is
 *        provided by the 'createDataset()' method.
 * @return A chart.
 */
public static JFreeChart createBarChart(DefaultCategoryDataset dataset) {

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

    // 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();

    // 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);

    // 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));
    renderer.setSeriesPaint(0, gp0);

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

---

From source file:org.talend.dataprofiler.chart.ChartDecorator.java

/**
 * DOC bZhou Comment method "decorate"./*from  ww  w.  j  a  v a  2 s. com*/
 * 
 * @param chart
 */
public static void decorate(JFreeChart chart, PlotOrientation orientation) {
    if (chart != null) {
        // TDQ-11522: Set white background on charts in the editors
        chart.setBackgroundPaint(Color.white);
        // TDQ-11522~
        Plot plot = chart.getPlot();
        if (plot instanceof CategoryPlot) {
            decorateCategoryPlot(chart, orientation);

            CategoryDataset dataset = chart.getCategoryPlot().getDataset();
            int rowCount = dataset != null ? dataset.getRowCount() : 20;
            for (int i = 0; i < rowCount; i++) {
                // by zshen bug 14173 add the color in the colorList when chart need more the color than 8.
                if (i >= COLOR_LIST.size()) {
                    COLOR_LIST.add(generateRandomColor(COLOR_LIST));
                }
                // ~14173
                ((CategoryPlot) plot).getRenderer().setSeriesPaint(i, COLOR_LIST.get(i));
            }

        } else if (plot instanceof XYPlot) {
            decorateXYPlot(chart);

            int count = chart.getXYPlot().getDataset().getSeriesCount();
            for (int i = 0; i < count; i++) {
                // by zshen bug 14173 add the color in the colorList when chart need the colors more than 8.
                if (i >= COLOR_LIST.size()) {
                    COLOR_LIST.add(generateRandomColor(COLOR_LIST));
                }
                // ~14173
                ((XYPlot) plot).getRenderer().setSeriesPaint(i, COLOR_LIST.get(i));
            }
        } else if (plot instanceof PiePlot) {
            decoratePiePlot(chart);

            // ADD msjian TDQ-8046 2013-10-17: add the color's control for pie chart
            PieDataset piedataset = ((PiePlot) plot).getDataset();
            for (int i = 0; i < piedataset.getItemCount(); i++) {
                if (i >= PIE_COLOR_LIST.size()) {
                    PIE_COLOR_LIST.add(generateRandomColor(PIE_COLOR_LIST));
                }
                Comparable<?> key = piedataset.getKey(i);
                ((PiePlot) plot).setSectionPaint(key, PIE_COLOR_LIST.get(i));
            }
            // TDQ-8046~
        }
    }
}

---

From source file:com.mxgraph.examples.swing.chart.BarChartDemo1.java

public static JFreeChart createChart1(CategoryDataset dataset) {

    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart("", // chart title
            "X-value", // domain axis label
            "Y-value", // range axis label
            dataset, // data
            PlotOrientation.HORIZONTAL, // orientation
            true, // include legend
            true, // tooltips?
            false // URLs?
    );/*from  w ww . j  a  va2  s. co  m*/

    // 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.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

    CategoryAxis categoryAxis = plot.getDomainAxis();
    categoryAxis.setCategoryMargin(0.1);//
    categoryAxis.setUpperMargin(0.02);
    categoryAxis.setLowerMargin(0.02);

    // ******************************************************************
    //  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...
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    rangeAxis.setUpperMargin(0.10);
    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(true);
    renderer.setBaseItemLabelsVisible(true);
    renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
    // 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);

    renderer.setBasePositiveItemLabelPosition(
            new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT));
    renderer.setItemLabelAnchorOffset(10D);
    renderer.setItemLabelFont(new Font("", Font.PLAIN, 12));
    renderer.setItemLabelsVisible(true);

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 180));

    // OPTIONAL CUSTOMISATION COMPLETED.      

    chart.getTitle().setFont(new Font("", Font.BOLD, 16));//

    //
    domainAxis.setLabelFont(new Font("", Font.BOLD, 14));
    //
    domainAxis.setTickLabelFont(new Font("", Font.PLAIN, 10));

    //
    rangeAxis.setLabelFont(new Font("", Font.BOLD, 15));

    chart.getLegend().setItemFont(new Font("", Font.BOLD, 15));

    /**
     *  chart.getTitle().setFont(new Font("",Font.BOLD,20));//
            
    //
    domainAxis.setLabelFont(new Font("",Font.BOLD,14));
    //
    domainAxis.setTickLabelFont(new Font("",Font.BOLD,12));
    //
    rangeAxis.setLabelFont(new Font("",Font.BOLD,15));
            
    chart.getLegend().setItemFont(new Font("", Font.BOLD, 15));
     */
    return chart;

}

---

From source file:com.hmsinc.epicenter.webapp.chart.ChartService.java

/**
 * @param chart/* w w  w.ja v  a  2s .c om*/
 * @return
 */
private static void configureTitleAndLegend(final JFreeChart chart, final AbstractChart adapter) {

    final TextTitle title = chart.getTitle();
    if (title != null) {
        title.setFont(new Font("Arial", Font.BOLD, 12));
        // title.setBackgroundPaint(Color.CYAN);
        title.setTextAlignment(HorizontalAlignment.LEFT);
        title.setHorizontalAlignment(HorizontalAlignment.CENTER);
        title.setMargin(0, 4, 5, 6);
    }

    if (chart.getLegend() != null) {
        chart.removeLegend();

        final LegendTitle legend = new LegendTitle(chart.getPlot(), new SNColumnArrangement(0, 0),
                new ColumnArrangement(HorizontalAlignment.CENTER, VerticalAlignment.CENTER, 0, 0));

        legend.setItemFont(LEGEND_FONT);
        legend.setPosition(RectangleEdge.BOTTOM);
        legend.setHorizontalAlignment(HorizontalAlignment.CENTER);
        legend.setBackgroundPaint(Color.WHITE);
        legend.setFrame(new LineBorder());
        legend.setMargin(0, 4, 5, 6);

        chart.addLegend(legend);

        // Now we'll try to remove any duplicate items from the legend..
        final Map<String, Integer> keys = new HashMap<String, Integer>();
        final LegendItemCollection items = new LegendItemCollection();

        for (LegendItemSource source : legend.getSources()) {

            for (int i = 0; i < source.getLegendItems().getItemCount(); i++) {

                final LegendItem item = source.getLegendItems().get(i);
                if (!keys.containsKey(item.getLabel())) {
                    keys.put(item.getLabel(), i);
                    items.add(item);
                }
            }
        }

        legend.setSources(new LegendItemSource[] { new LegendItemSource() {

            /*
             * (non-Javadoc)
             * 
             * @see org.jfree.chart.LegendItemSource#getLegendItems()
             */
            public LegendItemCollection getLegendItems() {
                return items;
            }

        } });
    }
}

---

From source file:by.bsu.zmiecer.PieChartDemo1.java

/**
 * Creates a chart.//w  ww.ja  v  a2  s  .co  m
 *
 * @param dataset  the dataset.
 *
 * @return A chart.
 */
private static JFreeChart createChart(PieDataset dataset) {

    JFreeChart chart = ChartFactory.createPieChart("   ", // chart title
            dataset, // data
            false, // no legend
            true, // tooltips
            false // no URL generation
    );

    // set a custom background for the chart
    chart.setBackgroundPaint(
            new GradientPaint(new Point(0, 0), new Color(0, 255, 11), new Point(400, 200), Color.BLUE));

    // customise the title position and font
    TextTitle t = chart.getTitle();
    t.setHorizontalAlignment(HorizontalAlignment.LEFT);
    t.setPaint(new Color(240, 240, 240));
    t.setFont(new Font("Arial", Font.BOLD, 26));

    PiePlot plot = (PiePlot) chart.getPlot();
    plot.setBackgroundPaint(null);
    plot.setInteriorGap(0.04);
    plot.setOutlineVisible(false);

    // use gradients and white borders for the section colours
    //plot.setSectionPaint("Others", createGradientPaint(new Color(200, 200, 255), Color.BLUE));
    //plot.setSectionPaint("Samsung", createGradientPaint(new Color(255, 200, 200), Color.RED));
    //plot.setSectionPaint("Apple", createGradientPaint(new Color(200, 255, 200), Color.GREEN));
    //plot.setSectionPaint("Nokia", createGradientPaint(new Color(200, 255, 200), Color.YELLOW));
    plot.setBaseSectionOutlinePaint(Color.WHITE);
    plot.setSectionOutlinesVisible(true);
    plot.setBaseSectionOutlineStroke(new BasicStroke(2.0f));

    // customise the section label appearance
    plot.setLabelFont(new Font("Courier New", Font.BOLD, 20));
    plot.setLabelLinkPaint(Color.WHITE);
    plot.setLabelLinkStroke(new BasicStroke(2.0f));
    plot.setLabelOutlineStroke(null);
    plot.setLabelPaint(Color.WHITE);
    plot.setLabelBackgroundPaint(null);

    /*
    // add a subtitle giving the data source
    TextTitle source = new TextTitle("Source: http://www.bbc.co.uk/news/business-15489523",
        new Font("Courier New", Font.PLAIN, 12));
    source.setPaint(Color.WHITE);
    source.setPosition(RectangleEdge.BOTTOM);
    source.setHorizontalAlignment(HorizontalAlignment.RIGHT);
    chart.addSubtitle(source);
    */
    return chart;

}

---

From source file:de.laures.cewolf.util.Renderer.java

/**
 * Renders a legend//  w ww  .  j  av  a  2  s  .com
 * @param cd the chart iamge to be rendred
 * @return the rendered image
 * @throws CewolfException
 */
private static RenderedImage renderLegend(ChartImage cd, Object c) throws CewolfException {
    try {
        JFreeChart chart = (JFreeChart) c;
        final int width = cd.getWidth();
        final int height = cd.getHeight();
        LegendTitle legend = getLegend(chart);
        boolean haslegend = true;

        // with JFreeChart v0.9.20, the only way to get a valid legend,
        // is either to retrieve it from the chart or to assign a new
        // one to the chart. In the case where the chart has no legend,
        // a new one must be assigned, but just for rendering. After, we
        // have to reset the legend to null in the chart.
        if (null == legend) {
            haslegend = false;
            legend = new LegendTitle(chart.getPlot());
        }
        legend.setPosition(RectangleEdge.BOTTOM);
        BufferedImage bimage = ImageHelper.createImage(width, height);
        Graphics2D g = bimage.createGraphics();
        g.setColor(Color.white);
        g.fillRect(0, 0, width, height);
        legend.arrange(g, new RectangleConstraint(width, height));
        legend.draw(g, new Rectangle(width, height));
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
        JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bimage);
        param.setQuality(1.0f, true);
        encoder.encode(bimage, param);
        out.close();

        // if the chart had no legend, reset it to null in order to give back the
        // chart in the state we received it.
        if (!haslegend) {
            removeLegend(chart);
        }

        return new RenderedImage(out.toByteArray(), "image/jpeg",
                new ChartRenderingInfo(new StandardEntityCollection()));
    } catch (IOException ioex) {
        log.error(ioex);
        throw new ChartRenderingException(ioex.getMessage(), ioex);
    }
}

---

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