Example usage for org.jfree.chart JFreeChart DEFAULT_TITLE

Introduction

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

Prototype

Font DEFAULT_TITLE_FONT

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Document

The default font for titles.

Usage

From source file:edu.dlnu.liuwenpeng.ChartFactory.ChartFactory.java

/**    
* Creates a stacked bar chart with a 3D effect and default settings. The     
* chart object returned by this method uses a {@link CategoryPlot}     
* instance as the plot, with a {@link CategoryAxis3D} for the domain axis,     
* a {@link NumberAxis3D} as the range axis, and a     
* {@link StackedBarRenderer3D} as the renderer.    
*    //from   w  w w.ja v  a 2s .c  o  m
* @param title  the chart title (<code>null</code> permitted).    
* @param categoryAxisLabel  the label for the category axis     
*                           (<code>null</code> permitted).    
* @param valueAxisLabel  the label for the value axis (<code>null</code>     
*                        permitted).    
* @param dataset  the dataset for the chart (<code>null</code> permitted).    
* @param orientation  the orientation (horizontal or vertical)     
*                     (<code>null</code> not permitted).    
* @param legend  a flag specifying whether or not a legend is required.    
* @param tooltips  configure chart to generate tool tips?    
* @param urls  configure chart to generate URLs?    
*    
* @return A stacked bar chart with a 3D effect.    
*/
public static JFreeChart createStackedBarChart3D(String title, String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);

    // create the renderer...    
    CategoryItemRenderer renderer = new StackedBarRenderer3D();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator());
    }

    // create the plot...    
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    if (orientation == PlotOrientation.HORIZONTAL) {
        // change rendering order to ensure that bar overlapping is the     
        // right way around    
        plot.setColumnRenderingOrder(SortOrder.DESCENDING);
    }

    // create the chart...    
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}

From source file:org.jfree.chart.demo.JFreeChartDemoBase.java

/**
 * Creates and returns a sample overlaid chart.
 * <P>//  w  ww.  j a  v a  2 s .  c  o  m
 * Note:  with the introduction of multiple secondary datasets in JFreeChart version 0.9.10,
 * the overlaid chart facility has been removed.  You can achieve the same results using
 * a regular XYPlot with multiple datasets.
 *
 * @return an overlaid chart.
 */
public JFreeChart createOverlaidChart() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("combined.overlaid.title");
    final String subtitleStr = this.resources.getString("combined.overlaid.subtitle");
    final String domainAxisLabel = this.resources.getString("combined.overlaid.domain");
    final String rangeAxisLabel = this.resources.getString("combined.overlaid.range");

    // create high-low and moving average dataset
    final DefaultHighLowDataset highLowData = DemoDatasetFactory.createHighLowDataset();

    // make an overlaid plot
    final ValueAxis domainAxis = new DateAxis(domainAxisLabel);
    final NumberAxis rangeAxis = new NumberAxis(rangeAxisLabel);
    rangeAxis.setAutoRangeIncludesZero(false);
    final XYItemRenderer renderer1 = new HighLowRenderer();
    renderer1.setToolTipGenerator(new HighLowItemLabelGenerator());

    final XYPlot plot = new XYPlot(highLowData, domainAxis, rangeAxis, renderer1);

    // overlay a moving average dataset
    final XYDataset maData = MovingAverage.createMovingAverage(highLowData, " (Moving Average)",
            5 * 24 * 60 * 60 * 1000L, 5 * 24 * 60 * 60 * 1000L);
    plot.setDataset(1, maData);
    final XYItemRenderer renderer2 = new StandardXYItemRenderer();
    renderer2.setToolTipGenerator(
            new StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
                    new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0,000.0")));
    plot.setRenderer(1, renderer2);

    // make the top level JFreeChart object
    final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, true);

    // then customise it a little...
    final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
    chart.addSubtitle(subtitle);
    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));

    return chart;

}

From source file:org.sakaiproject.sitestats.impl.ServerWideReportManagerImpl.java

private byte[] createMonthlyLoginChart(int width, int height) {
    IntervalXYDataset dataset1 = getMonthlyLoginsDataSet();
    IntervalXYDataset dataset3 = getMonthlySiteUserDataSet();

    if ((dataset1 == null) || (dataset3 == null)) {
        return generateNoDataChart(width, height);
    }/*from  w  w  w.j  a  v  a 2  s . c om*/

    // create plot ...
    XYItemRenderer renderer1 = new XYLineAndShapeRenderer(true, false);
    renderer1.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer1.setSeriesPaint(0, Color.RED);

    DateAxis domainAxis = new DateAxis("");
    domainAxis.setTickUnit(new DateTickUnit(DateTickUnit.MONTH, 1, new SimpleDateFormat("yyyy-MM")));
    domainAxis.setTickMarkPosition(DateTickMarkPosition.START);
    domainAxis.setVerticalTickLabels(true);
    domainAxis.setLowerMargin(0.01);
    domainAxis.setUpperMargin(0.01);

    NumberAxis axis1 = new NumberAxis("Total Logins");
    axis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    axis1.setLabelPaint(Color.RED);
    axis1.setTickLabelPaint(Color.RED);

    XYPlot plot1 = new XYPlot(dataset1, null, axis1, renderer1);
    plot1.setBackgroundPaint(Color.lightGray);
    plot1.setDomainGridlinePaint(Color.white);
    plot1.setRangeGridlinePaint(Color.white);

    // AXIS 2
    /*
    NumberAxis axis2 = new NumberAxis("Total Unique Users");
    axis2.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());
    axis2.setLabelPaint(Color.BLUE);
    axis2.setTickLabelPaint(Color.BLUE);
    plot1.setRangeAxis(1, axis2);
            
    plot1.setDataset(1, dataset2);
    plot1.mapDatasetToRangeAxis(1, 1);
    XYItemRenderer renderer2 = new XYLineAndShapeRenderer(true, false);
    renderer2.setSeriesStroke(0, new BasicStroke(2.0f, 
        BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer2.setSeriesPaint (0, Color.BLUE);
    plot1.setRenderer(1, renderer2);
    */

    // add a third dataset and renderer...
    XYItemRenderer renderer3 = new XYLineAndShapeRenderer(true, false);
    renderer3.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer3.setSeriesStroke(1, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer3.setSeriesStroke(2, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer3.setSeriesPaint(0, Color.GREEN);
    renderer3.setSeriesPaint(1, Color.BLACK);
    renderer3.setSeriesPaint(2, Color.CYAN);

    axis1 = new NumberAxis("count");
    axis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    XYPlot plot2 = new XYPlot(dataset3, null, axis1, renderer3);
    plot2.setBackgroundPaint(Color.lightGray);
    plot2.setDomainGridlinePaint(Color.white);
    plot2.setRangeGridlinePaint(Color.white);

    CombinedDomainXYPlot cplot = new CombinedDomainXYPlot(domainAxis);
    cplot.add(plot1, 3);
    cplot.add(plot2, 2);
    cplot.setGap(8.0);
    cplot.setDomainGridlinePaint(Color.white);
    cplot.setDomainGridlinesVisible(true);

    // return a new chart containing the overlaid plot...
    JFreeChart chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, cplot, false);
    LegendTitle legend = new LegendTitle(cplot);
    chart.addSubtitle(legend);

    // set background
    chart.setBackgroundPaint(parseColor(statsManager.getChartBackgroundColor()));

    // set chart border
    chart.setPadding(new RectangleInsets(10, 5, 5, 5));
    chart.setBorderVisible(true);
    chart.setBorderPaint(parseColor("#cccccc"));

    // set anti alias
    chart.setAntiAlias(true);

    BufferedImage img = chart.createBufferedImage(width, height);
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        ImageIO.write(img, "png", out);
    } catch (IOException e) {
        log.warn("Error occurred while generating SiteStats chart image data", e);
    }
    return out.toByteArray();
}

From source file:KIDLYFactory.java

/**
 * Creates a stacked bar chart with a 3D effect and default settings. The
 * chart object returned by this method uses a {@link CategoryPlot}
 * instance as the plot, with a {@link CategoryAxis3D} for the domain axis,
 * a {@link NumberAxis3D} as the range axis, and a
 * {@link StackedBarRenderer3D} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code>
 *                        permitted).// w w  w . ja  va  2 s .c  o  m
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the orientation (horizontal or vertical)
 *                     (<code>null</code> not permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A stacked bar chart with a 3D effect.
 */
public static JFreeChart createStackedBarChart3D(String title, String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);

    // create the renderer...
    CategoryItemRenderer renderer = new StackedBarRenderer3D();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator());
    }

    // create the plot...
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    if (orientation == PlotOrientation.HORIZONTAL) {
        // change rendering order to ensure that bar overlapping is the
        // right way around
        plot.setColumnRenderingOrder(SortOrder.DESCENDING);
    }

    // create the chart...
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
    currentTheme.apply(chart);
    return chart;

}

From source file:edu.dlnu.liuwenpeng.ChartFactory.ChartFactory.java

/**    
 * Creates an area chart with default settings.  The chart object returned    
 * by this method uses a {@link CategoryPlot} instance as the plot, with a     
 * {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the    
 * range axis, and an {@link AreaRenderer} as the renderer.    
 *    // ww w . ja  v  a 2  s .com
 * @param title  the chart title (<code>null</code> permitted).    
 * @param categoryAxisLabel  the label for the category axis     
 *                           (<code>null</code> permitted).    
 * @param valueAxisLabel  the label for the value axis (<code>null</code>     
 *                        permitted).    
 * @param dataset  the dataset for the chart (<code>null</code> permitted).    
 * @param orientation  the plot orientation (<code>null</code> not     
 *                     permitted).    
 * @param legend  a flag specifying whether or not a legend is required.    
 * @param tooltips  configure chart to generate tool tips?    
 * @param urls  configure chart to generate URLs?    
 *    
 * @return An area chart.    
 */
public static JFreeChart createAreaChart(String title, String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);

    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    AreaRenderer renderer = new AreaRenderer();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}

From source file:org.jfree.chart.demo.JFreeChartDemoBase.java

/**
 * Creates a horizontally combined chart.
 *
 * @return a horizontally combined chart.
 *//*  w w  w  .java  2s  . co  m*/
public JFreeChart createHorizontallyCombinedChart() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("combined.horizontal.title");
    final String subtitleStr = this.resources.getString("combined.horizontal.subtitle");
    final String[] domains = this.resources.getStringArray("combined.horizontal.domains");
    final String rangeAxisLabel = this.resources.getString("combined.horizontal.range");

    final TimeSeriesCollection dataset0 = new TimeSeriesCollection();
    final TimeSeries eur = DemoDatasetFactory.createEURTimeSeries();
    dataset0.addSeries(eur);

    final TimeSeriesCollection dataset1 = new TimeSeriesCollection();
    final TimeSeries mav = MovingAverage.createMovingAverage(eur, "EUR/GBP (30 Day MA)", 30, 30);
    dataset1.addSeries(eur);
    dataset1.addSeries(mav);

    final TimeSeriesCollection dataset2 = new TimeSeriesCollection();
    dataset2.addSeries(eur);

    // make a combined range plot
    final NumberAxis valueAxis = new NumberAxis(rangeAxisLabel);
    valueAxis.setAutoRangeIncludesZero(false); // override default
    final CombinedRangeXYPlot parent = new CombinedRangeXYPlot(valueAxis);
    parent.setRenderer(new StandardXYItemRenderer());

    // add subplots
    final int[] weight = { 1, 1, 1 }; // controls space assigned to each subplot

    // add subplot 1...
    final XYPlot subplot1 = new XYPlot(dataset0, new DateAxis(domains[0]), null, new StandardXYItemRenderer());
    parent.add(subplot1, weight[0]);

    // add subplot 2...
    final XYPlot subplot2 = new XYPlot(dataset1, new DateAxis(domains[1]), null, new StandardXYItemRenderer());
    parent.add(subplot2, weight[1]);

    // add subplot 3...
    final XYPlot subplot3 = new XYPlot(dataset2, new DateAxis(domains[2]), null, new XYBarRenderer(0.20));
    parent.add(subplot3, weight[2]);

    // now make the top level JFreeChart
    final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, parent, true);

    // then customise it a little...
    final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
    chart.addSubtitle(subtitle);
    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
    return chart;

}

From source file:com.att.aro.ui.view.diagnostictab.GraphPanel.java

private JFreeChart getAdvancedGraph() {
    if (advancedGraph == null) {
        advancedGraph = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, getPlot(), true);
        advancedGraph.removeLegend();/* w w  w  . java2s  . c  om*/
    }
    return advancedGraph;
}

From source file:KIDLYFactory.java

/**
 * Creates an area chart with default settings.  The chart object returned
 * by this method uses a {@link CategoryPlot} instance as the plot, with a
 * {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and an {@link AreaRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code>
 *                        permitted)./*from   w  ww. j  a  va2  s  .  c o m*/
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the plot orientation (<code>null</code> not
 *                     permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return An area chart.
 */
public static JFreeChart createAreaChart(String title, String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);

    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    AreaRenderer renderer = new AreaRenderer();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
    currentTheme.apply(chart);
    return chart;

}

From source file:edu.dlnu.liuwenpeng.ChartFactory.ChartFactory.java

/**    
 * Creates a stacked area chart with default settings.  The chart object     
 * returned by this method uses a {@link CategoryPlot} instance as the    
 * plot, with a {@link CategoryAxis} for the domain axis, a     
 * {@link NumberAxis} as the range axis, and a {@link StackedAreaRenderer}     
 * as the renderer.    /*from w  w  w.  ja  v a  2  s .  com*/
 *    
 * @param title  the chart title (<code>null</code> permitted).    
 * @param categoryAxisLabel  the label for the category axis     
 *                           (<code>null</code> permitted).    
 * @param valueAxisLabel  the label for the value axis (<code>null</code>     
 *                        permitted).    
 * @param dataset  the dataset for the chart (<code>null</code> permitted).    
 * @param orientation  the plot orientation (horizontal or vertical)     
 *                     (<code>null</code> not permitted).    
 * @param legend  a flag specifying whether or not a legend is required.    
 * @param tooltips  configure chart to generate tool tips?    
 * @param urls  configure chart to generate URLs?    
 *    
 * @return A stacked area chart.    
 */
public static JFreeChart createStackedAreaChart(String title, String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    StackedAreaRenderer renderer = new StackedAreaRenderer();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}

From source file:org.sakaiproject.sitestats.impl.ServerWideReportManagerImpl.java

private byte[] createWeeklyLoginChart(int width, int height) {
    IntervalXYDataset dataset1 = getWeeklyLoginsDataSet();
    IntervalXYDataset dataset2 = getWeeklySiteUserDataSet();

    if ((dataset1 == null) || (dataset2 == null)) {
        return generateNoDataChart(width, height);
    }/*from  w  w w  .jav a2 s .  c  om*/

    // create plot ...
    XYItemRenderer renderer1 = new XYLineAndShapeRenderer(true, false);
    renderer1.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer1.setSeriesStroke(1, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer1.setSeriesPaint(0, Color.RED);
    renderer1.setSeriesPaint(0, Color.BLUE);

    DateAxis domainAxis = new DateAxis("");
    domainAxis.setTickUnit(new DateTickUnit(DateTickUnit.DAY, 7, new SimpleDateFormat("yyyy-MM-dd")));
    domainAxis.setTickMarkPosition(DateTickMarkPosition.START);
    domainAxis.setVerticalTickLabels(true);
    domainAxis.setLowerMargin(0.01);
    domainAxis.setUpperMargin(0.01);

    NumberAxis rangeAxis = new NumberAxis("count");
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    XYPlot plot1 = new XYPlot(dataset1, null, rangeAxis, renderer1);
    plot1.setBackgroundPaint(Color.lightGray);
    plot1.setDomainGridlinePaint(Color.white);
    plot1.setRangeGridlinePaint(Color.white);

    // add a second dataset and renderer...
    XYItemRenderer renderer2 = new XYLineAndShapeRenderer(true, false);
    renderer2.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer2.setSeriesStroke(1, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer2.setSeriesStroke(2, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer2.setSeriesPaint(0, Color.GREEN);
    renderer2.setSeriesPaint(1, Color.BLACK);
    renderer2.setSeriesPaint(2, Color.CYAN);

    rangeAxis = new NumberAxis("count");
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    XYPlot plot2 = new XYPlot(dataset2, null, rangeAxis, renderer2);
    plot2.setBackgroundPaint(Color.lightGray);
    plot2.setDomainGridlinePaint(Color.white);
    plot2.setRangeGridlinePaint(Color.white);

    CombinedDomainXYPlot cplot = new CombinedDomainXYPlot(domainAxis);
    cplot.add(plot1, 3);
    cplot.add(plot2, 2);
    cplot.setGap(8.0);
    cplot.setDomainGridlinePaint(Color.white);
    cplot.setDomainGridlinesVisible(true);

    // return a new chart containing the overlaid plot...
    JFreeChart chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, cplot, false);
    LegendTitle legend = new LegendTitle(cplot);
    chart.addSubtitle(legend);

    // set background
    chart.setBackgroundPaint(parseColor(statsManager.getChartBackgroundColor()));

    // set chart border
    chart.setPadding(new RectangleInsets(10, 5, 5, 5));
    chart.setBorderVisible(true);
    chart.setBorderPaint(parseColor("#cccccc"));

    // set anti alias
    chart.setAntiAlias(true);

    BufferedImage img = chart.createBufferedImage(width, height);
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        ImageIO.write(img, "png", out);
    } catch (IOException e) {
        log.warn("Error occurred while generating SiteStats chart image data", e);
    }
    return out.toByteArray();
}

Example usage for org.jfree.chart JFreeChart DEFAULT_TITLE_FONT

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