Example usage for java.awt GradientPaint GradientPaint

List of usage examples for java.awt GradientPaint GradientPaint

Introduction

In this page you can find the example usage for java.awt GradientPaint GradientPaint.

Prototype

public GradientPaint(float x1, float y1, Color color1, float x2, float y2, Color color2) 

Source Link

Document

Constructs a simple acyclic GradientPaint object.

Usage

From source file:com.bdb.weather.display.current.Barometer.java

private ChartViewer createChartElements(Pressure min, Pressure max) {
    Color backgroundDialColor = StageUtilities
            .toAwtColor(colorPrefs.getColorPref(ColorPreferences.GUAGE_DIAL_COLOR));
    Paint backgroundPaint = new GradientPaint(0.0f, 0.0f, Color.LIGHT_GRAY, 100.0f, 0.0f, backgroundDialColor);
    DialBackground background = new DialBackground(backgroundPaint);
    plot.addLayer(background);/*  w w w  .  j  a v a  2 s.c  o m*/
    double dialTickIncrements = .2;
    switch (Pressure.getDefaultUnit()) {
    case IN_HG:
        dialTickIncrements = .2;
        break;
    case HECTO_PASCAL:
    case MILLIBAR:
        dialTickIncrements = 10.0;
        break;
    }

    scale = new StandardDialScale(min.get(), max.get(), 240.0, -300.0, dialTickIncrements, 10);
    scale.setTickLabelFont(scale.getTickLabelFont().deriveFont(14.0F).deriveFont(Font.PLAIN));
    scale.setTickRadius(.9);
    scale.setTickLabelFormatter(Pressure.getDefaultFormatter());
    scale.setTickLabelOffset(.25);
    scale.setTickLabelPaint(
            StageUtilities.toAwtColor(colorPrefs.getColorPref(ColorPreferences.GUAGE_SCALE_TEXT)));
    scale.setMajorTickPaint(
            StageUtilities.toAwtColor(colorPrefs.getColorPref(ColorPreferences.GUAGE_SCALE_TICK)));
    scale.setMinorTickPaint(
            StageUtilities.toAwtColor(colorPrefs.getColorPref(ColorPreferences.GUAGE_SCALE_TICK)));
    plot.addScale(0, scale);
    plot.setDialFrame(new StandardDialFrame());
    DialValueIndicator valueInd = new DialValueIndicator(0);
    //
    // Set background and outline paint to be completely transparent so they do not show at all
    //
    valueInd.setBackgroundPaint(new Color(255, 255, 255, 0));
    valueInd.setOutlinePaint(new Color(255, 255, 255, 0));
    valueInd.setPaint(StageUtilities.toAwtColor(colorPrefs.getColorPref(ColorPreferences.GUAGE_VALUE)));
    valueInd.setNumberFormat(Pressure.getDefaultUnit().getFormatterWithUnit());
    plot.addLayer(valueInd);

    double angle = valueInd.getAngle();
    double radius = valueInd.getRadius();

    trendAnnotation.setPaint(StageUtilities.toAwtColor(colorPrefs.getColorPref(ColorPreferences.GUAGE_VALUE)));
    trendAnnotation.setAngle(angle);
    trendAnnotation.setRadius(radius + .1);
    plot.addLayer(trendAnnotation);

    DialPointer.Pointer pointer = new DialPointer.Pointer(0);
    plot.addPointer(pointer);

    DialCap cap = new DialCap();
    cap.setRadius(cap.getRadius() * 1.5);
    plot.setCap(cap);

    range = new StandardDialRange(0.0, 360.0,
            StageUtilities.toAwtColor(colorPrefs.getColorPref(ColorPreferences.GUAGE_VALUE_RANGE)));
    range.setInnerRadius(.40);
    range.setOuterRadius(.45);
    range.setScaleIndex(0);
    plot.addLayer(range);

    JFreeChart chart = new JFreeChart(plot);
    chart.setBackgroundPaint(
            StageUtilities.toAwtColor(colorPrefs.getColorPref(ColorPreferences.GUAGE_BACKGROUND)));

    ChartViewer chartViewer = new ChartViewer(chart);
    chartViewer.setMinHeight(200);
    chartViewer.setMinWidth(200);
    chartViewer.setMaxHeight(10000);
    chartViewer.setMaxWidth(10000);

    //chartViewer.setBorder(new BevelBorder(BevelBorder.RAISED));

    return chartViewer;
}

From source file:graficos.GraficoBarras.java

private static JFreeChart crearGrafico(CategoryDataset cjto_datos) {
    JFreeChart grafico = ChartFactory.createBarChart3D("Distribucin de Recursos", // Ttulo
            "Unidad de tiempo", // Ttulo eje x
            "Recurso", // Ttulo eje y
            cjto_datos, // Datos
            PlotOrientation.VERTICAL, // Orientacin
            true, // Incluir leyenda
            true, // Incluir tooltips
            false // Incluir URLs
    );//ww w . j a  v  a2  s  .co m
    grafico.setBackgroundPaint(new Color(240, 240, 240));
    grafico.getPlot().zoom(0.0);
    CategoryPlot ploter = (CategoryPlot) grafico.getPlot();
    NumberAxis3D rangeAxis = (NumberAxis3D) ploter.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis3D.createIntegerTickUnits());
    BarRenderer3D renderer = (BarRenderer3D) ploter.getRenderer();
    renderer.setDrawBarOutline(false);
    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));
    renderer.setSeriesPaint(0, gp0);
    renderer.setSeriesPaint(1, gp1);
    renderer.setItemMargin(0.0);
    CategoryAxis domainAxis = ploter.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(0.0));
    return grafico;
}

From source file:org.kalypso.ogc.sensor.diagview.jfreechart.ObservationChart.java

/**
 * Creates an ObservationChart//from   ww  w. j  av a 2 s  .  c  o  m
 * 
 * @param waitForSwing
 *          when true, the events are handled synchonuously in onObsviewChanged(), this is usefull when you are
 *          creating the diagram for non-gui purposes such as in the export-document-wizard: there you need to wait
 *          for swing to be finished with updating/painting the diagram before doing the export, else you get strange
 *          results
 */
public ObservationChart(final DiagView template, final boolean waitForSwing) throws SensorException {
    super(null, null, ChartFactory.createObservationPlot(template), false);

    setTitle(getTitle(template));

    m_view = template;
    m_waitForSwing = waitForSwing;

    setLegendProperties(template.getLegendName(), template.isShowLegend());

    // removed in this.dispose()
    m_view.addObsViewEventListener(this);

    // good for the eyes
    setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, new Color(168, 168, 255)));
}

From source file:com.thingsfx.swing.jfreechart.JFreeChartPanel2.java

void initComponents() {

    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart("JFreeChart is Definitely cool!", // chart title
            "Category", // domain axis label
            "Value", // range axis label
            createDataset(), // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips?
            false // URLs?
    );/* w  ww . j a va 2 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();

    // ******************************************************************
    //  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 / 6.0));
    // OPTIONAL CUSTOMISATION COMPLETED.

    add(new ChartPanel(chart));
}

From source file:org.hammurapi.inspectors.metrics.reporting.LocCharts.java

private void customizeChartBars(JFreeChart chart) {
    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
    // set the background color for the chart...
    chart.setBackgroundPaint(new Color(0xBBBBDD));
    // get a reference to the plot for further customisation...
    XYPlot plot = chart.getXYPlot();/* ww  w . j  a v  a2 s. co  m*/
    // set the range axis to display integers only...
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    // disable bar outlines...
    XYItemRenderer renderer = (XYItemRenderer) plot.getRenderer();
    // renderer.ssetDrawBarOutline(false);
    GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, Color.lightGray);
    GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, Color.lightGray);
    renderer.setSeriesPaint(0, gp1);
    renderer.setSeriesPaint(1, gp2);
    ValueAxis domainAxis = plot.getDomainAxis();
    //domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
    //domainAxis.setMaxCategoryLabelWidthRatio(5.0f);
    // OPTIONAL CUSTOMISATION COMPLETED.
}

From source file:org.madsonic.controller.StatusChartController.java

public synchronized ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    String type = request.getParameter("type");
    int index = Integer.parseInt(request.getParameter("index"));

    List<TransferStatus> statuses = Collections.emptyList();
    if ("stream".equals(type)) {
        statuses = statusService.getAllStreamStatuses();
    } else if ("download".equals(type)) {
        statuses = statusService.getAllDownloadStatuses();
    } else if ("upload".equals(type)) {
        statuses = statusService.getAllUploadStatuses();
    }//from   w  ww  . ja  v  a2  s.  co m

    if (index < 0 || index >= statuses.size()) {
        return null;
    }
    TransferStatus status = statuses.get(index);

    TimeSeries series = new TimeSeries("Kbps", Millisecond.class);
    TransferStatus.SampleHistory history = status.getHistory();
    long to = System.currentTimeMillis();
    long from = to - status.getHistoryLengthMillis();
    Range range = new DateRange(from, to);

    if (!history.isEmpty()) {

        TransferStatus.Sample previous = history.get(0);

        for (int i = 1; i < history.size(); i++) {
            TransferStatus.Sample sample = history.get(i);

            long elapsedTimeMilis = sample.getTimestamp() - previous.getTimestamp();
            long bytesStreamed = Math.max(0L, sample.getBytesTransfered() - previous.getBytesTransfered());

            double kbps = (8.0 * bytesStreamed / 1024.0) / (elapsedTimeMilis / 1000.0);
            series.addOrUpdate(new Millisecond(new Date(sample.getTimestamp())), kbps);

            previous = sample;
        }
    }

    // Compute moving average.
    series = MovingAverage.createMovingAverage(series, "Kbps", 20000, 5000);

    // Find min and max values.
    double min = 100;
    double max = 250;
    for (Object obj : series.getItems()) {
        TimeSeriesDataItem item = (TimeSeriesDataItem) obj;
        double value = item.getValue().doubleValue();
        if (item.getPeriod().getFirstMillisecond() > from) {
            min = Math.min(min, value);
            max = Math.max(max, value);
        }
    }

    // Add 10% to max value.
    max *= 1.1D;

    // Subtract 10% from min value.
    min *= 0.9D;

    TimeSeriesCollection dataset = new TimeSeriesCollection();
    dataset.addSeries(series);
    JFreeChart chart = ChartFactory.createTimeSeriesChart(null, null, null, dataset, false, false, false);
    XYPlot plot = (XYPlot) chart.getPlot();

    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
    Paint background = new GradientPaint(0, 0, Color.lightGray, 0, IMAGE_HEIGHT, Color.white);
    plot.setBackgroundPaint(background);

    XYItemRenderer renderer = plot.getRendererForDataset(dataset);
    renderer.setSeriesPaint(0, Color.gray.darker());
    renderer.setSeriesStroke(0, new BasicStroke(2f));

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

    chart.setBackgroundPaint(bgColor);

    ValueAxis domainAxis = plot.getDomainAxis();
    domainAxis.setRange(range);
    domainAxis.setTickLabelPaint(fgColor);
    domainAxis.setTickMarkPaint(fgColor);
    domainAxis.setAxisLinePaint(fgColor);

    ValueAxis rangeAxis = plot.getRangeAxis();
    rangeAxis.setRange(new Range(min, max));
    rangeAxis.setTickLabelPaint(fgColor);
    rangeAxis.setTickMarkPaint(fgColor);
    rangeAxis.setAxisLinePaint(fgColor);

    ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart, IMAGE_WIDTH, IMAGE_HEIGHT);

    return null;
}

From source file:net.sourceforge.subsonic.controller.StatusChartController.java

public synchronized ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    String type = request.getParameter("type");
    int index = Integer.parseInt(request.getParameter("index"));

    List<TransferStatus> statuses = Collections.emptyList();
    if ("stream".equals(type)) {
        statuses = statusService.getAllStreamStatuses();
    } else if ("download".equals(type)) {
        statuses = statusService.getAllDownloadStatuses();
    } else if ("upload".equals(type)) {
        statuses = statusService.getAllUploadStatuses();
    }//from   ww w  .j  a  va2  s  .c  om

    if (index < 0 || index >= statuses.size()) {
        return null;
    }
    TransferStatus status = statuses.get(index);

    TimeSeries series = new TimeSeries("Kbps", Millisecond.class);
    TransferStatus.SampleHistory history = status.getHistory();
    long to = System.currentTimeMillis();
    long from = to - status.getHistoryLengthMillis();
    Range range = new DateRange(from, to);

    if (!history.isEmpty()) {

        TransferStatus.Sample previous = history.get(0);

        for (int i = 1; i < history.size(); i++) {
            TransferStatus.Sample sample = history.get(i);

            long elapsedTimeMilis = sample.getTimestamp() - previous.getTimestamp();
            long bytesStreamed = Math.max(0L, sample.getBytesTransfered() - previous.getBytesTransfered());

            double kbps = (8.0 * bytesStreamed / 1024.0) / (elapsedTimeMilis / 1000.0);
            series.addOrUpdate(new Millisecond(new Date(sample.getTimestamp())), kbps);

            previous = sample;
        }
    }

    // Compute moving average.
    series = MovingAverage.createMovingAverage(series, "Kbps", 20000, 5000);

    // Find min and max values.
    double min = 100;
    double max = 250;
    for (Object obj : series.getItems()) {
        TimeSeriesDataItem item = (TimeSeriesDataItem) obj;
        double value = item.getValue().doubleValue();
        if (item.getPeriod().getFirstMillisecond() > from) {
            min = Math.min(min, value);
            max = Math.max(max, value);
        }
    }

    // Add 10% to max value.
    max *= 1.1D;

    // Subtract 10% from min value.
    min *= 0.9D;

    TimeSeriesCollection dataset = new TimeSeriesCollection();
    dataset.addSeries(series);
    JFreeChart chart = ChartFactory.createTimeSeriesChart(null, null, null, dataset, false, false, false);
    XYPlot plot = (XYPlot) chart.getPlot();

    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
    Paint background = new GradientPaint(0, 0, Color.lightGray, 0, IMAGE_HEIGHT, Color.white);
    plot.setBackgroundPaint(background);

    XYItemRenderer renderer = plot.getRendererForDataset(dataset);
    renderer.setSeriesPaint(0, Color.blue.darker());
    renderer.setSeriesStroke(0, new BasicStroke(2f));

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

    chart.setBackgroundPaint(bgColor);

    ValueAxis domainAxis = plot.getDomainAxis();
    domainAxis.setRange(range);
    domainAxis.setTickLabelPaint(fgColor);
    domainAxis.setTickMarkPaint(fgColor);
    domainAxis.setAxisLinePaint(fgColor);

    ValueAxis rangeAxis = plot.getRangeAxis();
    rangeAxis.setRange(new Range(min, max));
    rangeAxis.setTickLabelPaint(fgColor);
    rangeAxis.setTickMarkPaint(fgColor);
    rangeAxis.setAxisLinePaint(fgColor);

    ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart, IMAGE_WIDTH, IMAGE_HEIGHT);

    return null;
}

From source file:com.modeln.build.ctrl.charts.CMnPatchCountChart.java

/**
 * Create a chart representing the number patches grouped by time interval.
 * The data passed in the hashtable is a list of the time intervals and
 * the value is the number of patch requests for each interval.
 *
 * @param  data   Hashtable cnotaining the time intervals and corresponding counts
 * @param  label  Count label/*from  w ww.java  2  s .c  o m*/
 *
 * @return Bar chart representing the interval and count information
 */
public static final JFreeChart getPatchesByIntervalChart(Hashtable<CMnTimeInterval, Integer> data,
        String label) {
    JFreeChart chart = null;

    String title = "Patches per " + label;
    String nameLabel = label;
    String valueLabel = "Patches";

    // Sort the data by date
    Vector<CMnTimeInterval> intervals = new Vector<CMnTimeInterval>();
    Enumeration intervalList = data.keys();
    while (intervalList.hasMoreElements()) {
        intervals.add((CMnTimeInterval) intervalList.nextElement());
    }
    Collections.sort(intervals);

    // Populate the dataset with data
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    Iterator keyIter = intervals.iterator();
    while (keyIter.hasNext()) {
        CMnTimeInterval interval = (CMnTimeInterval) keyIter.next();
        Integer value = data.get(interval);
        dataset.addValue(value, valueLabel, interval.getName());
    }

    // Create the chart
    chart = ChartFactory.createBarChart(title, /*title*/
            nameLabel, /*categoryAxisLabel*/
            valueLabel, /*valueAxisLabel*/
            dataset, /*dataset*/
            PlotOrientation.VERTICAL, /*orientation*/
            false, /*legend*/
            false, /*tooltips*/
            false /*urls*/
    );

    // get a reference to the plot for further customization...
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    //chartFormatter.formatMetricChart(plot, "min");

    // Set the chart colors
    plot.setBackgroundPaint(Color.white);
    plot.setDomainGridlinePaint(Color.lightGray);
    plot.setRangeGridlinePaint(Color.lightGray);

    // 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);
    renderer.setShadowVisible(false);
    final GradientPaint gp = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, Color.blue);
    renderer.setSeriesPaint(0, gp);

    // Set the label orientation
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);

    return chart;
}

From source file:graphs.LimitsGraphs.java

/**
 * Creates a sample chart.//  w ww .j  a  va  2 s.  c om
 * 
 * @param dataset  the dataset.
 * 
 * @return The chart.
 */
private JFreeChart createChart(final CategoryDataset dataset) {

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

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

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

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

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

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

    // set up gradient paints for series...
    final GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, Color.lightGray);
    final GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, Color.lightGray);
    final GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, Color.lightGray);
    renderer.setSeriesPaint(0, gp0);
    renderer.setSeriesPaint(1, gp1);
    renderer.setSeriesPaint(2, gp2);

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

    return chart;

}

From source file:org.jfree.chart.demo.MouseOverDemo1.java

private static JFreeChart createChart(CategoryDataset categorydataset) {
    JFreeChart jfreechart = ChartFactory.createBarChart("Mouseover Demo 1", "Category", "Value",
            categorydataset, PlotOrientation.VERTICAL, true, true, false);
    CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
    categoryplot.setDomainGridlinesVisible(true);
    NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
    numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    MyBarRenderer mybarrenderer = new MyBarRenderer();
    mybarrenderer.setDrawBarOutline(true);
    categoryplot.setRenderer(mybarrenderer);
    ChartUtilities.applyCurrentTheme(jfreechart);
    GradientPaint gradientpaint = new GradientPaint(0.0F, 0.0F, Color.blue, 0.0F, 0.0F, new Color(0, 0, 64));
    GradientPaint gradientpaint1 = new GradientPaint(0.0F, 0.0F, Color.green, 0.0F, 0.0F, new Color(0, 64, 0));
    GradientPaint gradientpaint2 = new GradientPaint(0.0F, 0.0F, Color.red, 0.0F, 0.0F, new Color(64, 0, 0));
    mybarrenderer.setSeriesPaint(0, gradientpaint);
    mybarrenderer.setSeriesPaint(1, gradientpaint1);
    mybarrenderer.setSeriesPaint(2, gradientpaint2);
    return jfreechart;
}