Example usage for org.jfree.chart JFreeChart removeLegend

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

  1. HOME
  2. Java
  3. org.jfree
  4. org.jfree.chart.*
  5. JFreeChart
  6. removeLegend

Introduction

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

Prototype

public void removeLegend()

Source Link

Document

Removes the first legend in the chart and sends a ChartChangeEvent to all registered listeners.

Usage

From source file:com.peterbochs.instrument.InstrumentPanel.java

private static JFreeChart createEmptyChart(XYZDataset dataset) {
    NumberAxis xAxis = new NumberAxis("address");
    xAxis.setLowerMargin(0.0);/*from ww  w  .  ja  v  a 2s .  c o  m*/
    xAxis.setUpperMargin(0.0);
    NumberAxis yAxis = new NumberAxis("address");
    yAxis.setAutoRangeIncludesZero(false);
    yAxis.setInverted(false);
    yAxis.setLowerMargin(0.0);
    yAxis.setUpperMargin(0.0);
    // yAxis.setAxisLinePaint(Color.pink);
    // yAxis.setTickMarkPaint(Color.white);
    yAxis.setTickLabelFont(new Font("Dialog", 0, 7));
    yAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    MyXYBlockRenderer renderer = new MyXYBlockRenderer();
    XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);

    // plot.setBackgroundPaint(Color.white);
    // plot.setDomainGridlineStroke(new BasicStroke(1));
    plot.setDomainGridlinePaint(Color.white);

    // plot.setRangeGridlineStroke(new BasicStroke(1));
    plot.setRangeGridlinePaint(Color.white);

    JFreeChart chart = new JFreeChart("Memory read/write hot zone", new Font("Serif", Font.PLAIN, 12), plot,
            true);
    chart.removeLegend();
    chart.setBackgroundPaint(Color.white);

    return chart;
}

From source file:ru.spbspu.viewer.DataView.java

@Deprecated
public void buildEnergyGraph2() {
    double[] data = _presenter.getFrameEnergy(getFramePosition(), getWindowWidth(), getWindowWidth());

    CategoryTableXYDataset serie = new CategoryTableXYDataset();
    serie.setNotify(false);//  w  w w.  jav a2  s  .  c  o  m
    double step = 1.0 / getDiscretization();
    double startPosition = step * getFramePosition();
    for (int i = 0; i < data.length - 1; i++) {
        serie.add(startPosition, data[i], "");
        startPosition += step;
        //1.0 / getDiscretization() * getFrameWidth() / (data.length - 1);
    }
    JFreeChart chart = ChartFactory.createXYLineChart("", "", "", serie);
    chart.removeLegend();
    chart.setAntiAlias(false);
    XYPlot plot = chart.getXYPlot();
    org.jfree.chart.axis.ValueAxis yAxis = plot.getRangeAxis();

    org.jfree.chart.axis.ValueAxis xAxis = plot.getDomainAxis();
    double start = getFramePosition() * 1.0 / getDiscretization();
    double max = start + getFrameWidth() * 1.0 / getDiscretization();
    xAxis.setRange(start, max);
    ChartPanel chartPanel = new ChartPanel(chart);
    drawGraphOfEnergy(chartPanel);
}

From source file:ru.spbspu.viewer.DataView.java

public void buildFullOscillogram() {
    CategoryTableXYDataset serie = new CategoryTableXYDataset();
    serie.setNotify(false);//w w w.  ja  v  a 2  s .  c  o  m
    double step = 1.0 / getDiscretization();
    double startPosition = step * getFramePosition();
    double[] data = _presenter.getFullData();
    for (int i = 0; i < data.length; i++) {
        serie.add(startPosition, data[i], "");
        startPosition += step;
    }
    JFreeChart chart = ChartFactory.createXYLineChart("", "t,c", "g, /c^2", serie);
    chart.removeLegend();
    chart.setAntiAlias(false);

    XYPlot plot = chart.getXYPlot();
    //plot.setRangeGridlinePaint(Color.BLACK);
    org.jfree.chart.axis.ValueAxis yAxis = plot.getRangeAxis();
    yAxis.setRange(_presenter.getMinMaxRange());
    org.jfree.chart.axis.ValueAxis xAxis = plot.getDomainAxis();
    double start = getFramePosition() * 1.0 / getDiscretization();
    double max = start + getFrameWidth() * 1.0 / getDiscretization();
    xAxis.setRange(start, max);
    ChartPanel chartPanel = new ChartPanel(chart);
    drawGraphOfSignal(chartPanel);
}

From source file:ru.spbspu.viewer.DataView.java

/**
 * ? ? ? ?/*from www.  j  a v  a  2s.co  m*/
 */
public void buildFullEnergyGraph() {
    CategoryTableXYDataset serie = new CategoryTableXYDataset();
    serie.setNotify(false);
    double step = 1.0 / getDiscretization() * Integer.parseInt(spinnerWindowWidth.getValue().toString()) / 2;
    double startPosition = 0;
    double[] data = _presenter.getFullFrameEnergy(getWindowWidth());
    for (int i = 0; i < data.length; i++) {
        serie.add(startPosition, data[i], "");
        startPosition += step;
    }
    JFreeChart chart = ChartFactory.createXYLineChart("", "", "t,c", serie);
    chart.removeLegend();
    chart.setAntiAlias(false);

    XYPlot plot = chart.getXYPlot();
    AxisSpace space = new AxisSpace();
    space.setLeft(GRAPHIC_SPACE.getLeft() - 8);
    plot.setFixedRangeAxisSpace(space);
    org.jfree.chart.axis.ValueAxis yAxis = plot.getRangeAxis();
    String selection = scaling.getSelection().getActionCommand();
    switch (selection) {
    case "max": {
        yAxis.setRange(_presenter.getMinMaxRangeEnergy());
    }
        break;
    case "mean": {
        yAxis.setRange(_presenter.getMeanRangeEnergy());
    }
        break;
    case "auto":
        break;
    }
    org.jfree.chart.axis.ValueAxis xAxis = plot.getDomainAxis();
    double start = 0;
    double max = _presenter.getFullData().length / Double.valueOf(spinnerDiscretization.getValue().toString());
    xAxis.setRange(start, max);
    ChartPanel chartPanel = new ChartPanel(chart);
    drawFullGraphOfEnergy(chartPanel);
}

From source file:ru.spbspu.viewer.DataView.java

/**
 * ? ?    /* ww  w  . j  a  v a 2  s . co m*/
 */
public void buildEnergyGraph() {
    CategoryTableXYDataset serie = new CategoryTableXYDataset();
    serie.setNotify(false);
    double step = 1.0 / getDiscretization();
    double startPosition = step * getFramePosition();
    double[] data = _presenter.getFrameEnergy(getFramePosition(), getFrameWidth(), getWindowWidth());
    for (int i = 0; i < data.length; i++) {
        serie.add(startPosition, data[i], "");
        startPosition += step * getFrameWidth() / (data.length - 1);
    }
    JFreeChart chart = ChartFactory.createXYLineChart("", "t,c", "", serie);
    chart.removeLegend();
    chart.setAntiAlias(false);

    XYPlot plot = chart.getXYPlot();
    org.jfree.chart.axis.ValueAxis yAxis = plot.getRangeAxis();
    String selection = scaling.getSelection().getActionCommand();
    switch (selection) {
    case "max": {
        yAxis.setRange(_presenter.getMinMaxRangeEnergy());
    }
        break;
    case "mean": {
        yAxis.setRange(_presenter.getMeanRangeEnergy());
    }
        break;
    case "auto":
        break;
    }

    plot.setFixedRangeAxisSpace(GRAPHIC_SPACE);
    org.jfree.chart.axis.ValueAxis xAxis = plot.getDomainAxis();
    double start = getFramePosition() * 1.0 / getDiscretization();
    double max = start + getFrameWidth() * 1.0 / getDiscretization();
    xAxis.setRange(start, max);
    //        yAxis.setRange(3.99, 4.01);
    ChartPanel chartPanel = new ChartPanel(chart);
    drawGraphOfEnergy(chartPanel);

}

From source file:ro.nextreports.engine.chart.JFreeChartExporter.java

private JFreeChart createLineChart() throws QueryException {
    XYSeriesCollection dataset = new XYSeriesCollection();
    String chartTitle = replaceParameters(chart.getTitle().getTitle());
    chartTitle = StringUtil.getI18nString(chartTitle, I18nUtil.getLanguageByName(chart, language));
    Object[] charts = new Object[chart.getYColumns().size()];
    List<String> legends = chart.getYColumnsLegends();
    boolean hasLegend = false;
    for (int i = 0; i < charts.length; i++) {
        String legend = "";
        try {/*from   ww w.  j a va 2s. com*/
            legend = replaceParameters(legends.get(i));
            legend = StringUtil.getI18nString(legend, I18nUtil.getLanguageByName(chart, language));
        } catch (IndexOutOfBoundsException ex) {
            // no legend set
        }
        if ((legend != null) && !"".equals(legend.trim())) {
            hasLegend = true;
        }
        XYSeries lineChart = new XYSeries(legend);
        charts[i] = lineChart;
        dataset.addSeries(lineChart);
    }

    String xLegend = StringUtil.getI18nString(replaceParameters(chart.getXLegend().getTitle()),
            I18nUtil.getLanguageByName(chart, language));
    String yLegend = StringUtil.getI18nString(replaceParameters(chart.getYLegend().getTitle()),
            I18nUtil.getLanguageByName(chart, language));

    JFreeChart jfreechart = ChartFactory.createXYLineChart(chartTitle, // Title
            replaceParameters(xLegend), // x-axis Label
            replaceParameters(yLegend), // y-axis Label
            dataset, // Dataset
            PlotOrientation.VERTICAL, // Plot Orientation
            true, // Show Legend
            true, // Use tooltips
            false // Configure chart to generate URLs?
    );

    // hide legend if necessary
    if (!hasLegend) {
        jfreechart.removeLegend();
    }

    // hide border
    jfreechart.setBorderVisible(false);

    // title
    setTitle(jfreechart);

    // charts colors & values 
    boolean showValues = (chart.getShowYValuesOnChart() == null) ? false : chart.getShowYValuesOnChart();
    DecimalFormat decimalFormat;
    DecimalFormat percentageFormat;
    if (chart.getYTooltipPattern() == null) {
        decimalFormat = new DecimalFormat("#");
        percentageFormat = new DecimalFormat("0.00%");
    } else {
        decimalFormat = new DecimalFormat(chart.getYTooltipPattern());
        percentageFormat = decimalFormat;
    }
    XYPlot plot = (XYPlot) jfreechart.getPlot();
    for (int i = 0; i < charts.length; i++) {
        plot.getRenderer().setSeriesPaint(i, chart.getForegrounds().get(i));
        if (showValues) {
            plot.getRenderer().setSeriesItemLabelsVisible(i, true);
            plot.getRenderer().setSeriesItemLabelGenerator(i,
                    new StandardXYItemLabelGenerator("{2}", decimalFormat, percentageFormat));
        }
    }

    if (showValues) {
        // increase a little bit the range axis to view all item label values over points
        plot.getRangeAxis().setUpperMargin(0.2);
    }

    // grid axis visibility & colors 
    if ((chart.getXShowGrid() != null) && !chart.getXShowGrid()) {
        plot.setDomainGridlinesVisible(false);
    } else {
        if (chart.getXGridColor() != null) {
            plot.setDomainGridlinePaint(chart.getXGridColor());
        } else {
            plot.setDomainGridlinePaint(Color.BLACK);
        }
    }
    if ((chart.getYShowGrid() != null) && !chart.getYShowGrid()) {
        plot.setRangeGridlinesVisible(false);
    } else {
        if (chart.getYGridColor() != null) {
            plot.setRangeGridlinePaint(chart.getYGridColor());
        } else {
            plot.setRangeGridlinePaint(Color.BLACK);
        }
    }

    // chart background
    plot.setBackgroundPaint(chart.getBackground());

    // labels color
    plot.getDomainAxis().setTickLabelPaint(chart.getXColor());
    plot.getRangeAxis().setTickLabelPaint(chart.getYColor());

    //legend color
    plot.getDomainAxis().setLabelPaint(chart.getXLegend().getColor());
    plot.getRangeAxis().setLabelPaint(chart.getYLegend().getColor());

    // legend font
    plot.getDomainAxis().setLabelFont(chart.getXLegend().getFont());
    plot.getRangeAxis().setLabelFont(chart.getYLegend().getFont());

    // hide labels
    if ((chart.getXShowLabel() != null) && !chart.getXShowLabel()) {
        plot.getDomainAxis().setTickLabelsVisible(false);
        plot.getDomainAxis().setTickMarksVisible(false);
    }
    if ((chart.getYShowLabel() != null) && !chart.getYShowLabel()) {
        plot.getRangeAxis().setTickLabelsVisible(false);
        plot.getRangeAxis().setTickMarksVisible(false);
    }

    // label orientation 
    if (chart.getXorientation() == Chart.VERTICAL) {
        plot.getDomainAxis().setVerticalTickLabels(true);
    }

    // labels fonts
    plot.getDomainAxis().setTickLabelFont(chart.getXLabelFont());
    plot.getRangeAxis().setTickLabelFont(chart.getYLabelFont());

    // point style
    Shape pointShape = null;
    byte style = chart.getType().getStyle();
    switch (style) {
    case ChartType.STYLE_LINE_DOT_SOLID:
    case ChartType.STYLE_LINE_DOT_HOLLOW:
        pointShape = new Ellipse2D.Float(-3.0f, -3.0f, 6.0f, 6.0f);
        break;
    case ChartType.STYLE_LINE_DOT_ANCHOR: // triangle
        GeneralPath s5 = new GeneralPath();
        s5.moveTo(0.0f, -3.0f);
        s5.lineTo(3.0f, 3.0f);
        s5.lineTo(-3.0f, 3.0f);
        s5.closePath();
        pointShape = s5;
        break;
    case ChartType.STYLE_LINE_DOT_BOW:
        GeneralPath s4 = new GeneralPath();
        s4.moveTo(-3.0f, -3.0f);
        s4.lineTo(3.0f, -3.0f);
        s4.lineTo(-3.0f, 3.0f);
        s4.lineTo(3.0f, 3.0f);
        s4.closePath();
        pointShape = s4;
        break;
    case ChartType.STYLE_LINE_DOT_STAR:
        pointShape = new Star(-3.0f, 0f).getShape();
        break;
    default:
        // no shape
        break;
    }

    if (pointShape != null) {
        XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
        renderer.setUseFillPaint(true);
        for (int i = 0; i < charts.length; i++) {
            renderer.setSeriesShapesVisible(i, true);
            if (style != ChartType.STYLE_LINE_DOT_SOLID) {
                renderer.setSeriesFillPaint(i, chart.getBackground());
            } else {
                renderer.setSeriesFillPaint(i, chart.getForegrounds().get(i));
            }
            renderer.setSeriesShape(i, pointShape);
        }
    }

    final HashMap<String, String> formatValues = createChart(plot.getRangeAxis(), charts);

    // in x axis does not contain number values , values are strings representing one unit 
    if (!integerXValue) {
        ((NumberAxis) plot.getDomainAxis()).setTickUnit(new NumberTickUnit(1));
        ((NumberAxis) plot.getDomainAxis()).setNumberFormatOverride(new DecimalFormat() {
            @Override
            public StringBuffer format(double number, StringBuffer result, FieldPosition fieldPosition) {
                String s = formatValues.get(String.valueOf(Math.round(number)));
                if (s == null) {
                    s = "";
                }
                return result.append(s);
            }
        });
    }

    return jfreechart;

}

From source file:ru.spbspu.viewer.DataView.java

/**
 * ? ?    /*w w w  .j a v  a 2 s  . c  om*/
 */
public void buildOscillogram() {
    CategoryTableXYDataset serie = new CategoryTableXYDataset();
    serie.setNotify(false);
    double step = 1.0 / getDiscretization();
    double startPosition = step * getFramePosition();
    double[] data = null;
    if (LPF.isSelected()) {
        data = _presenter.lpFilter(_presenter.getFrameData(getFramePosition(), getFrameWidth()),
                Double.parseDouble(spinnerLimitFreq.getValue().toString()));
    } else {
        data = _presenter.getFrameData(getFramePosition(), getFrameWidth());
    }

    for (int i = 0; i < data.length; i++) {
        serie.add(startPosition, data[i], "");
        startPosition += step;
    }
    JFreeChart chart = ChartFactory.createXYLineChart("", "t,c", "g, /c^2", serie);
    chart.removeLegend();
    chart.setAntiAlias(false);

    XYPlot plot = chart.getXYPlot();
    plot.setFixedRangeAxisSpace(GRAPHIC_SPACE);
    //plot.setRangeGridlinePaint(Color.BLACK);
    org.jfree.chart.axis.ValueAxis yAxis = plot.getRangeAxis();
    Range range = _presenter.getMinMaxRange();
    if (range.getLength() > 0) {
        yAxis.setRange(range);
    }
    org.jfree.chart.axis.ValueAxis xAxis = plot.getDomainAxis();
    double start = getFramePosition() * 1.0 / getDiscretization();
    double max = start + getFrameWidth() * 1.0 / getDiscretization();
    xAxis.setRange(start, max);
    ChartPanel chartPanel = new ChartPanel(chart);
    drawGraphOfSignal(chartPanel);
}

From source file:edu.ucla.stat.SOCR.chart.demo.BoxAndWhiskerChartDemo1.java

/**
 * Creates a sample chart./* w w w. j  a  v  a2  s.c  o m*/
 * 
 * @param dataset  the dataset.
 * 
 * @return The chart.
 */
protected JFreeChart createChart(BoxAndWhiskerCategoryDataset dataset) {

    CategoryAxis domainAxis = new CategoryAxis(null);
    NumberAxis rangeAxis = new NumberAxis(rangeLabel);
    BoxAndWhiskerRenderer renderer = new BoxAndWhiskerRenderer();
    CategoryPlot plot = new CategoryPlot(dataset, domainAxis, rangeAxis, renderer);
    JFreeChart chart = new JFreeChart(chartTitle, plot);

    chart.setBackgroundPaint(Color.white);

    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setDomainGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.white);

    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    renderer.setLegendItemLabelGenerator(
            new SOCRCategoryCellLabelGenerator(dataset, values_storage, SERIES_COUNT, CATEGORY_COUNT));

    //RowCount -- serie count
    if (dataset.getColumnCount() * dataset.getRowCount() < 5) {

        domainAxis.setLowerMargin(0.2);
        domainAxis.setUpperMargin(0.2);
        if (dataset.getColumnCount() == 1)
            renderer.setItemMargin(0.5);
        //   domainAxis.setCategoryMargin(domainAxis.getCategoryMargin()*2);
        /*         
        System.out.println("1lowerMargin="+domainAxis.getLowerMargin());
        System.out.println("ItemMargin="+renderer.getItemMargin());
        System.out.println("CategoryMargin="+domainAxis.getCategoryMargin());*/

    }

    else if (dataset.getColumnCount() * dataset.getRowCount() < 10) {
        domainAxis.setLowerMargin(domainAxis.getLowerMargin() * 2);
        domainAxis.setUpperMargin(domainAxis.getUpperMargin() * 2);
        if (dataset.getColumnCount() == 1)
            renderer.setItemMargin(renderer.getItemMargin() * 2);
        else
            domainAxis.setCategoryMargin(domainAxis.getCategoryMargin() * 2);

        /*System.out.println("2lowerMargin="+domainAxis.getLowerMargin());
        System.out.println("ItemMargin="+renderer.getItemMargin());
        System.out.println("CategoryMargin="+domainAxis.getCategoryMargin());*/

    }

    if (legendPanelOn)
        chart.removeLegend();
    return chart;

}

From source file:com.ikon.servlet.admin.StatsGraphServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    String action = WebUtils.getString(request, "action", "graph");
    String type = WebUtils.getString(request, "t");
    JFreeChart chart = null;
    updateSessionManager(request);//from   w  w  w  .ja va  2s . c o  m

    try {
        if ("refresh".equals(action)) {
            new RepositoryInfo().runAs(null);
            ServletContext sc = getServletContext();
            sc.getRequestDispatcher("/admin/stats.jsp").forward(request, response);
        } else {
            response.setContentType("image/png");
            OutputStream out = response.getOutputStream();

            if (DOCUMENTS.equals(type) || DOCUMENTS_SIZE.equals(type) || FOLDERS.equals(type)) {
                chart = repoStats(type);
            } else if (DISK.equals(type)) {
                chart = diskStats();
            } else if (JVM_MEMORY.equals(type)) {
                chart = jvmMemStats();
            } else if (OS_MEMORY.equals(type)) {
                chart = osMemStats();
            }

            if (chart != null) {
                // Customize title font
                chart.getTitle().setFont(new Font("Tahoma", Font.BOLD, 16));

                // Match body {   background-color:#F6F6EE; }
                chart.setBackgroundPaint(new Color(246, 246, 238));

                // Customize no data
                PiePlot plot = (PiePlot) chart.getPlot();
                plot.setNoDataMessage("No data to display");

                // Customize labels
                plot.setLabelGenerator(null);

                // Customize legend
                LegendTitle legend = new LegendTitle(plot, new ColumnArrangement(), new ColumnArrangement());
                legend.setPosition(RectangleEdge.BOTTOM);
                legend.setFrame(BlockBorder.NONE);
                legend.setItemFont(new Font("Tahoma", Font.PLAIN, 12));
                chart.removeLegend();
                chart.addLegend(legend);

                if (DISK.equals(type) || JVM_MEMORY.equals(type) || OS_MEMORY.equals(type)) {
                    ChartUtilities.writeChartAsPNG(out, chart, 225, 225);
                } else {
                    ChartUtilities.writeChartAsPNG(out, chart, 250, 250);
                }
            }

            out.flush();
            out.close();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:org.pentaho.plugin.jfreereport.reportcharts.AbstractChartExpression.java

protected void configureChart(final JFreeChart chart) {
    // Misc Properties
    final TextTitle chartTitle = chart.getTitle();
    if (chartTitle != null) {
        final Font titleFont = Font.decode(getTitleFont());
        chartTitle.setFont(titleFont);/*from ww w .  ja  va2s  . c  om*/
    }

    if (isAntiAlias() == false) {
        chart.setAntiAlias(false);
    }

    chart.setBorderVisible(isShowBorder());

    final Color backgroundColor = parseColorFromString(getBackgroundColor());
    if (backgroundColor != null) {
        chart.setBackgroundPaint(backgroundColor);
    }

    if (plotBackgroundColor != null) {
        chart.getPlot().setBackgroundPaint(plotBackgroundColor);
    }
    chart.getPlot().setBackgroundAlpha(plotBackgroundAlpha);
    chart.getPlot().setForegroundAlpha(plotForegroundAlpha);
    final Color borderCol = parseColorFromString(getBorderColor());
    if (borderCol != null) {
        chart.setBorderPaint(borderCol);
    }

    //remove legend if showLegend = false
    if (!isShowLegend()) {
        chart.removeLegend();
    } else { //if true format legend
        final LegendTitle chLegend = chart.getLegend();
        if (chLegend != null) {
            final RectangleEdge loc = translateEdge(legendLocation.toLowerCase());
            if (loc != null) {
                chLegend.setPosition(loc);
            }
            if (getLegendFont() != null) {
                chLegend.setItemFont(Font.decode(getLegendFont()));
            }
            if (!isDrawLegendBorder()) {
                chLegend.setBorder(BlockBorder.NONE);
            }
            if (legendBackgroundColor != null) {
                chLegend.setBackgroundPaint(legendBackgroundColor);
            }
            if (legendTextColor != null) {
                chLegend.setItemPaint(legendTextColor);
            }
        }

    }

    final Plot plot = chart.getPlot();
    plot.setNoDataMessageFont(Font.decode(getLabelFont()));

    final String message = getNoDataMessage();
    if (message != null) {
        plot.setNoDataMessage(message);
    }

    plot.setOutlineVisible(isChartSectionOutline());

    if (backgroundImage != null) {
        if (plotImageCache != null) {
            plot.setBackgroundImage(plotImageCache);
        } else {
            final ExpressionRuntime expressionRuntime = getRuntime();
            final ProcessingContext context = expressionRuntime.getProcessingContext();
            final ResourceKey contentBase = context.getContentBase();
            final ResourceManager manager = context.getResourceManager();
            try {
                final ResourceKey key = createKeyFromString(manager, contentBase, backgroundImage);
                final Resource resource = manager.create(key, null, Image.class);
                final Image image = (Image) resource.getResource();
                plot.setBackgroundImage(image);
                plotImageCache = image;
            } catch (Exception e) {
                logger.error("ABSTRACTCHARTEXPRESSION.ERROR_0007_ERROR_RETRIEVING_PLOT_IMAGE", e); //$NON-NLS-1$
                throw new IllegalStateException("Failed to process chart");
            }
        }
    }
}