Example usage for org.jfree.chart JFreeChart setBackgroundPaint

List of usage examples for org.jfree.chart JFreeChart setBackgroundPaint

Introduction

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

Prototype

public void setBackgroundPaint(Paint paint) 

Source Link

Document

Sets the paint used to fill the chart background and sends a ChartChangeEvent to all registered listeners.

Usage

From source file:com.ace.capitalflows.ui.frame.chart.NianJdChart.java

/**
 * Creates a chart.//from  ww w.  ja  v a2 s .  c  om
 *
 * @param dataset  a dataset.
 *
 * @return A chart.
 */
private static JFreeChart createChart(final XYDataset dataset) {

    final JFreeChart chart = ChartFactory.createTimeSeriesChart("ZhongGuoGuoJiShouZhiPingHeBiao(NianDuCeSuan)", // title
            "NianJd", // x-axis label
            "YiMeiYuan", // y-axis label
            dataset, // data
            true, // create legend?
            true, // generate tooltips?
            false // generate URLs?
    );

    chart.setBackgroundPaint(Color.white);

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

    final XYItemRenderer r = plot.getRenderer();
    if (r instanceof XYLineAndShapeRenderer) {
        final XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
        renderer.setBaseShapesVisible(true);
        renderer.setBaseShapesFilled(true);
        renderer.setDrawSeriesLineAsPath(true);
    }

    final DateAxis axis = (DateAxis) plot.getDomainAxis();
    axis.setDateFormatOverride(new SimpleDateFormat("yyyy-MM"));

    return chart;

}

From source file:eu.choreos.vv.chart.XYChart.java

private static JFreeChart createChart(XYDataset dataset, String chartTitle, String xLabel, String yLabel) {

    // create the chart...
    JFreeChart chart = ChartFactory.createXYLineChart(chartTitle, // chart title
            xLabel, // domain axis label
            yLabel, // range axis label
            dataset, // initial series
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips?
            false // URLs?
    );/*from w ww.  j a  va 2  s  .  co m*/

    // set chart background
    chart.setBackgroundPaint(Color.white);

    // set a few custom plot features
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setBackgroundPaint(new Color(0xffffe0));
    plot.setDomainGridlinesVisible(true);
    plot.setDomainGridlinePaint(Color.lightGray);
    plot.setRangeGridlinePaint(Color.lightGray);

    // set the plot's axes to display integers
    TickUnitSource ticks = NumberAxis.createIntegerTickUnits();
    NumberAxis domain = (NumberAxis) plot.getDomainAxis();
    domain.setStandardTickUnits(ticks);
    domain.resizeRange(1.1);
    domain.setLowerBound(0.5);

    NumberAxis range = (NumberAxis) plot.getRangeAxis();
    range.setStandardTickUnits(ticks);
    range.setUpperBound(range.getUpperBound() * 1.1);

    // render shapes and lines
    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, true);
    plot.setRenderer(renderer);
    renderer.setBaseShapesVisible(true);
    renderer.setBaseShapesFilled(true);

    // set the renderer's stroke
    Stroke stroke = new BasicStroke(3f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL);
    renderer.setBaseOutlineStroke(stroke);

    // label the points
    NumberFormat format = NumberFormat.getNumberInstance();
    format.setMaximumFractionDigits(2);
    XYItemLabelGenerator generator = new StandardXYItemLabelGenerator(
            StandardXYItemLabelGenerator.DEFAULT_ITEM_LABEL_FORMAT, format, format);
    renderer.setBaseItemLabelGenerator(generator);
    renderer.setBaseItemLabelsVisible(true);

    return chart;
}

From source file:TimeSeriesChartDemo1.java

/**
 * Creates a chart.//  w  w w. j  a va 2 s  .c o  m
 *
 * @param dataset  a dataset.
 *
 * @return A chart.
 */
private static JFreeChart createChart(XYDataset dataset) {

    JFreeChart chart = ChartFactory.createTimeSeriesChart("Legal & General Unit Trust Prices", // title
            "Date", // x-axis label
            "Price Per Unit", // y-axis label
            dataset, // data
            true, // create legend?
            true, // generate tooltips?
            false // generate URLs?
    );

    chart.setBackgroundPaint(Color.white);

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

    XYItemRenderer r = plot.getRenderer();
    if (r instanceof XYLineAndShapeRenderer) {
        XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
        renderer.setBaseShapesVisible(true);
        renderer.setBaseShapesFilled(true);
        renderer.setDrawSeriesLineAsPath(true);
    }

    DateAxis axis = (DateAxis) plot.getDomainAxis();
    axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));

    return chart;

}

From source file:com.opensourcestrategies.financials.reports.JFreeFinancialCharts.java

/**
 * Liquidity snapshot chart.  Documentation is at http://www.opentaps.org/docs/index.php/Financials_Home_Screen
 *
 * Because a user might not have permission to view balances in all areas, this method takes into consideration
 * the ability to view various bars in the chart.
 *
 * @param accountsMap Map of accounts keyed by the glAccountType
 * @return String filename pointing to the chart, to be used with showChart URI request
 *///from w  w  w  .java  2 s  .co  m
public static String createLiquiditySnapshotChart(Map<String, GenericValue> accountsMap,
        List<GenericValue> creditCardAccounts, Locale locale, boolean hasReceivablesPermission,
        boolean hasPayablesPermission, boolean hasInventoryPermission)
        throws GenericEntityException, IOException {
    Map<String, Object> uiLabelMap = UtilMessage.getUiLabels(locale);

    // create the dataset
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();

    // compile the four bars
    if (hasReceivablesPermission) {
        double cashBalance = 0.0;
        cashBalance += getPostedBalance(accountsMap.get("UNDEPOSITED_RECEIPTS"));
        cashBalance += getPostedBalance(accountsMap.get("BANK_STLMNT_ACCOUNT"));
        dataset.addValue(cashBalance, "", (String) uiLabelMap.get("FinancialsCashEquivalents"));

        double receivablesBalance = 0.0;
        receivablesBalance += getPostedBalance(accountsMap.get("ACCOUNTS_RECEIVABLE"));
        // merchant account settlement balances are receivable
        receivablesBalance += getPostedBalance(accountsMap.get("MRCH_STLMNT_ACCOUNT"));
        dataset.addValue(receivablesBalance, "", (String) uiLabelMap.get("FinancialsReceivables"));
    }
    if (hasInventoryPermission) {
        double inventoryBalance = 0.0;
        inventoryBalance += getPostedBalance(accountsMap.get("INVENTORY_ACCOUNT"));
        inventoryBalance += getPostedBalance(accountsMap.get("RAWMAT_INVENTORY"));
        inventoryBalance += getPostedBalance(accountsMap.get("WIP_INVENTORY"));
        dataset.addValue(inventoryBalance, "", (String) uiLabelMap.get("WarehouseInventory"));
    }
    if (hasPayablesPermission) {
        double payablesBalance = 0.0;
        payablesBalance += getPostedBalance(accountsMap.get("ACCOUNTS_PAYABLE"));
        payablesBalance += getPostedBalance(accountsMap.get("COMMISSIONS_PAYABLE"));
        payablesBalance += getPostedBalance(accountsMap.get("UNINVOICED_SHIP_RCPT"));
        dataset.addValue(payablesBalance, "", (String) uiLabelMap.get("FinancialsPayables"));
    }

    // set up the chart
    JFreeChart chart = ChartFactory.createBarChart((String) uiLabelMap.get("FinancialsLiquiditySnapshot"), // chart title
            null, // domain axis label
            null, // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            false, // include legend
            true, // tooltips
            false // urls
    );
    chart.setBackgroundPaint(Color.white);
    chart.setBorderVisible(true);
    chart.setPadding(new RectangleInsets(5.0, 5.0, 5.0, 5.0));

    // get a reference to the plot for further customisation...
    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

    // get the bar renderer to put effects on the bars
    final BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false); // disable bar outlines

    // set up gradient paint on bar
    final GradientPaint gp = new GradientPaint(0.0f, 0.0f, Color.GREEN, 0.0f, 0.0f, Color.GRAY);
    renderer.setSeriesPaint(0, gp);

    // change the auto tick unit selection to integer units only...
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // tilt the category labels so they fit
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));

    // save as a png and return the file name
    return ServletUtilities.saveChartAsPNG(chart, 400, 300, null);
}

From source file:eu.choreos.vv.chart.YIntervalChart.java

private static JFreeChart createChart(XYDataset dataset, String chartTitle, String xLabel, String yLabel) {

    // create the chart...
    JFreeChart chart = ChartFactory.createXYLineChart(chartTitle, // chart title
            xLabel, // domain axis label
            yLabel, // range axis label
            dataset, // initial series
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips?
            false // URLs?
    );/*from  www  .  ja  v a 2  s  . com*/

    // set chart background
    chart.setBackgroundPaint(Color.white);

    // set a few custom plot features
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setBackgroundPaint(new Color(0xffffe0));
    plot.setDomainGridlinesVisible(true);
    plot.setDomainGridlinePaint(Color.lightGray);
    plot.setRangeGridlinePaint(Color.lightGray);

    // set the plot's axes to display integers
    TickUnitSource ticks = NumberAxis.createIntegerTickUnits();
    NumberAxis domain = (NumberAxis) plot.getDomainAxis();
    domain.setStandardTickUnits(ticks);
    domain.resizeRange(1.1);
    domain.setLowerBound(0.5);

    NumberAxis range = (NumberAxis) plot.getRangeAxis();
    range.setStandardTickUnits(ticks);
    range.setUpperBound(range.getUpperBound() * 1.1);

    // render shapes and lines
    DeviationRenderer renderer = new DeviationRenderer(true, true);
    plot.setRenderer(renderer);
    renderer.setBaseShapesVisible(true);
    renderer.setBaseShapesFilled(true);

    // set the renderer's stroke
    Stroke stroke = new BasicStroke(3f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL);
    renderer.setBaseOutlineStroke(stroke);

    //TODO: render the deviation with the same color as the line
    //        renderer.setBaseFillPaint(new Color(255, 200, 200));
    //        renderer.setUseOutlinePaint(flag);
    //        renderer.setUseFillPaint(flag);

    // label the points
    NumberFormat format = NumberFormat.getNumberInstance();
    format.setMaximumFractionDigits(2);
    XYItemLabelGenerator generator = new StandardXYItemLabelGenerator(
            StandardXYItemLabelGenerator.DEFAULT_ITEM_LABEL_FORMAT, format, format);
    renderer.setBaseItemLabelGenerator(generator);
    renderer.setBaseItemLabelsVisible(true);

    //TODO: fix the visible area to show the deviation

    return chart;
}

From source file:scrum.server.common.BurndownChart.java

private static JFreeChart createSprintBurndownChart(List<BurndownSnapshot> snapshots, Date firstDay,
        Date lastDay, Date originallyLastDay, WeekdaySelector freeDays, int dateMarkTickUnit,
        float widthPerDay) {
    DefaultXYDataset data = createSprintBurndownChartDataset(snapshots, firstDay, lastDay, originallyLastDay,
            freeDays);/*  w  w  w  .j  av  a 2 s.  c o  m*/

    double tick = 1.0;
    double max = BurndownChart.getMaximum(data);

    while (max / tick > 25) {
        tick *= 2;
        if (max / tick <= 25)
            break;
        tick *= 2.5;
        if (max / tick <= 25)
            break;
        tick *= 2;
    }
    double valueLabelTickUnit = tick;
    double upperBoundary = Math.min(max * 1.1f, max + 3);

    if (!Sys.isHeadless())
        LOG.warn("GraphicsEnvironment is not headless");
    JFreeChart chart = ChartFactory.createXYLineChart("", "", "", data, PlotOrientation.VERTICAL, false, true,
            false);

    chart.setBackgroundPaint(Color.WHITE);

    XYPlot plot = chart.getXYPlot();
    // plot.setInsets(new RectangleInsets(0, 0, 0, 0));
    plot.setAxisOffset(RectangleInsets.ZERO_INSETS);
    // plot.setOutlineVisible(false);

    plot.setBackgroundPaint(Color.white);
    plot.setRangeGridlinePaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.lightGray);
    // plot.setRangeCrosshairPaint(Color.lightGray);
    // plot.setRangeMinorGridlinePaint(Color.lightGray);
    // plot.setDomainCrosshairPaint(Color.blue);
    // plot.setDomainMinorGridlinePaint(Color.green);
    // plot.setDomainTickBandPaint(Color.green);

    XYItemRenderer renderer = plot.getRenderer();
    renderer.setBaseStroke(new BasicStroke(2f));

    renderer.setSeriesPaint(0, COLOR_PAST_LINE);
    renderer.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer.setSeriesPaint(1, COLOR_PROJECTION_LINE);
    renderer.setSeriesStroke(1,
            new BasicStroke(1.5f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL, 1.0f, new float[] { 3f }, 0));
    renderer.setSeriesPaint(2, COLOR_OPTIMUM_LINE);
    renderer.setSeriesStroke(2, new BasicStroke(2f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));

    DateAxis domainAxis1 = new DateAxis();
    String dateFormat = "d.";
    widthPerDay -= 5;
    if (widthPerDay > 40) {
        dateFormat = "EE " + dateFormat;
    }
    if (widthPerDay > 10) {
        float spaces = widthPerDay / 2.7f;
        dateFormat = Str.multiply(" ", (int) spaces) + dateFormat;
    }
    domainAxis1.setDateFormatOverride(new SimpleDateFormat(dateFormat, Locale.US));
    domainAxis1.setTickUnit(new DateTickUnit(DateTickUnit.DAY, dateMarkTickUnit));
    domainAxis1.setAxisLineVisible(false);
    Range range = new Range(firstDay.toMillis(), lastDay.nextDay().toMillis());
    domainAxis1.setRange(range);

    DateAxis domainAxis2 = new DateAxis();
    domainAxis2.setTickUnit(new DateTickUnit(DateTickUnit.DAY, 1));
    domainAxis2.setTickMarksVisible(false);
    domainAxis2.setTickLabelsVisible(false);
    domainAxis2.setRange(range);

    plot.setDomainAxis(0, domainAxis2);
    plot.setDomainAxis(1, domainAxis1);
    plot.setDomainAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT);

    NumberAxis rangeAxis = new NumberAxis();
    rangeAxis.setNumberFormatOverride(NumberFormat.getIntegerInstance());
    rangeAxis.setTickUnit(new NumberTickUnit(valueLabelTickUnit));

    rangeAxis.setLowerBound(0);
    rangeAxis.setUpperBound(upperBoundary);

    plot.setRangeAxis(rangeAxis);

    return chart;
}

From source file:UserInterface.PublisherRole.ViewUserHabitsJPanel.java

private static JFreeChart createChart(PieDataset dataset) {

    JFreeChart chart = ChartFactory.createPieChart("User Habits", // chart title
            dataset, // data
            false, // no legend
            true, // tooltips
            false // no URL generation
    );//from   www  .java  2 s .  c  o  m

    // 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(" ", 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:unalcol.termites.boxplots.SucessfulRatesGlobal.java

private static JFreeChart createChart(CategoryDataset categorydataset, ArrayList<Double> pf) {
    JFreeChart jfreechart = ChartFactory.createBarChart("Success Rates - " + getTitle(pf), "", "",
            categorydataset, PlotOrientation.VERTICAL, true, true, false);
    jfreechart.getTitle().setFont(new Font("Sans-Serif", Font.PLAIN, 18));
    jfreechart.setBackgroundPaint(new Color(221, 223, 238));
    CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
    categoryplot.setBackgroundPaint(Color.white);
    categoryplot.setDomainGridlinePaint(Color.white);
    categoryplot.setRangeGridlinePaint(Color.gray);
    categoryplot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

    BarRenderer renderer = (BarRenderer) categoryplot.getRenderer();
    //categoryplot.setBackgroundPaint(new Color(221, 223, 238));

    renderer.setSeriesPaint(0, new Color(130, 165, 70));
    renderer.setSeriesPaint(1, new Color(220, 165, 70));
    renderer.setSeriesPaint(4, new Color(255, 165, 70));
    renderer.setDrawBarOutline(false);//w  ww  .  ja v a2s  .c  om
    renderer.setShadowVisible(false);
    // renderer.setMaximumBarWidth(1);
    renderer.setGradientPaintTransformer(null);
    renderer.setDefaultBarPainter(new StandardBarPainter());

    categoryplot.setRenderer(renderer);

    NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
    numberaxis.setUpperMargin(0.25D);
    CategoryItemRenderer categoryitemrenderer = categoryplot.getRenderer();
    categoryitemrenderer.setBaseItemLabelsVisible(true);
    categoryitemrenderer.setBaseItemLabelGenerator(new LabelGenerator(null));
    numberaxis.setRange(0, 100);
    //numberaxis.setNumberFormatOverride(NumberFormat.getPercentInstance());

    Font font = new Font("SansSerif", Font.ROMAN_BASELINE, 12);
    numberaxis.setTickLabelFont(font);
    CategoryAxis axisd = categoryplot.getDomainAxis();
    ValueAxis axisr = categoryplot.getRangeAxis();
    axisd.setTickLabelFont(font);
    axisr.setTickLabelFont(font);

    final ChartPanel chartPanel = new ChartPanel(jfreechart);
    chartPanel.setPreferredSize(new java.awt.Dimension(650, 370));

    FileOutputStream output;
    try {
        output = new FileOutputStream("successGlobalRates" + pf + ".jpg");
        ChartUtilities.writeChartAsJPEG(output, 1.0f, jfreechart, 650, 370, null);
    } catch (FileNotFoundException ex) {
        Logger.getLogger(MessagesSent1.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(MessagesSent1.class.getName()).log(Level.SEVERE, null, ex);
    }
    return jfreechart;
}

From source file:net.sf.mzmine.chartbasics.graphicsexport.ChartExportUtil.java

/**
 * This method is used to save all image formats. it uses the specific methods for each file
 * format/*from  w ww.j a  v  a 2 s .co m*/
 * 
 * @param chart
 * @param sett
 * @param chartRenderingInfo
 */
private static void writeChartToImage(JFreeChart chart, GraphicsExportParameters sett, ChartRenderingInfo info)
        throws Exception {
    // Background color
    Paint saved = chart.getBackgroundPaint();
    chart.setBackgroundPaint(sett.getColorWithAlpha());
    chart.setBackgroundImageAlpha((float) sett.getTransparency());
    if (chart.getLegend() != null)
        chart.getLegend().setBackgroundPaint(sett.getColorWithAlpha());
    // legends and stuff
    for (int i = 0; i < chart.getSubtitleCount(); i++)
        if (PaintScaleLegend.class.isAssignableFrom(chart.getSubtitle(i).getClass()))
            ((PaintScaleLegend) chart.getSubtitle(i)).setBackgroundPaint(sett.getColorWithAlpha());

    // apply bg
    chart.getPlot().setBackgroundPaint(sett.getColorWithAlpha());

    // create folder
    File f = sett.getFullpath();
    if (!f.exists()) {
        if (f.getParentFile() != null)
            f.getParentFile().mkdirs();
        // f.createNewFile();
    }

    Dimension size = sett.getPixelSize();
    // Format
    switch (sett.getFormat()) {
    case "PDF":
        writeChartToPDF(chart, size.width, size.height, f);
        break;
    case "PNG":
        writeChartToPNG(chart, info, size.width, size.height, f, (int) sett.getDPI());
        break;
    case "JPG":
        writeChartToJPEG(chart, info, size.width, size.height, f, (int) sett.getDPI());
        break;
    case "EPS":
        writeChartToEPS(chart, size.width, size.height, f);
        break;
    case "SVG":
        writeChartToSVG(chart, size.width, size.height, f);
        break;
    case "EMF":
        writeChartToEMF(chart, size.width, size.height, f);
        break;
    }
    //
    chart.setBackgroundPaint(saved);
    chart.setBackgroundImageAlpha(255);
    if (chart.getLegend() != null)
        chart.getLegend().setBackgroundPaint(saved);
    // legends and stuff
    for (int i = 0; i < chart.getSubtitleCount(); i++)
        if (PaintScaleLegend.class.isAssignableFrom(chart.getSubtitle(i).getClass()))
            ((PaintScaleLegend) chart.getSubtitle(i)).setBackgroundPaint(saved);

    // apply bg
    chart.getPlot().setBackgroundPaint(saved);
}

From source file:org.hxzon.demo.jfreechart.XYDatasetDemo2.java

private static JFreeChart createPolarChart(XYDataset dataset) {

    PolarPlot plot = new PolarPlot();
    plot.setDataset(dataset);/*  www .  j a va  2s .co  m*/
    NumberAxis rangeAxis = new NumberAxis();
    rangeAxis.setAxisLineVisible(false);
    rangeAxis.setTickMarksVisible(false);
    rangeAxis.setTickLabelInsets(new RectangleInsets(0.0, 0.0, 0.0, 0.0));
    plot.setAxis(rangeAxis);
    plot.setRenderer(new DefaultPolarItemRenderer());
    JFreeChart chart = new JFreeChart("Polar Chart Demo", JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
    chart.setBackgroundPaint(Color.white);

    plot.setBackgroundPaint(Color.lightGray);

    return chart;
}