Example usage for org.jfree.chart JFreeChart createBufferedImage

Introduction

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

Prototype

public BufferedImage createBufferedImage(int width, int height, int imageType, ChartRenderingInfo info) 

Source Link

Document

Creates and returns a buffered image into which the chart has been drawn.

Usage

From source file:de.forsthaus.webui.customer.CustomerChartCtrl.java

/**
 * onClick button PieChart 3D. <br>
 * //  w w  w  .ja v  a  2 s.c o m
 * @param event
 * @throws IOException
 */
public void onClick$button_CustomerChart_PieChart3D(Event event) throws InterruptedException, IOException {
    // logger.debug(event.toString());

    div_chartArea.getChildren().clear();

    // get the customer ID for which we want show a chart
    long kunId = getCustomer().getId();

    // get a list of data
    List<ChartData> kunAmountList = getChartService().getChartDataForCustomer(kunId);

    if (kunAmountList.size() > 0) {

        DefaultPieDataset pieDataset = new DefaultPieDataset();

        for (ChartData chartData : kunAmountList) {

            Calendar calendar = new GregorianCalendar();
            calendar.setTime(chartData.getChartKunInvoiceDate());

            int month = calendar.get(Calendar.MONTH) + 1;
            int year = calendar.get(Calendar.YEAR);
            String key = String.valueOf(month) + "/" + String.valueOf(year);

            BigDecimal bd = chartData.getChartKunInvoiceAmount().setScale(15, 3);
            String amount = String.valueOf(bd.doubleValue());

            // fill the data
            pieDataset.setValue(key + " " + amount,
                    new Double(chartData.getChartKunInvoiceAmount().doubleValue()));
        }

        String title = "Monthly amount for year 2009";
        JFreeChart chart = ChartFactory.createPieChart3D(title, pieDataset, true, true, true);
        PiePlot3D plot = (PiePlot3D) chart.getPlot();
        plot.setForegroundAlpha(0.5f);
        BufferedImage bi = chart.createBufferedImage(chartWidth, chartHeight, BufferedImage.TRANSLUCENT, null);
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage chartImage = new AImage("Pie Chart", bytes);

        Image img = new Image();
        img.setContent(chartImage);
        img.setParent(this.div_chartArea);

    } else {

        div_chartArea.getChildren().clear();

        Label label = new Label();
        label.setValue("This customer have no data for showing in a chart!");

        label.setParent(div_chartArea);

    }
}

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From source file:org.jivesoftware.openfire.reporting.graph.GraphEngine.java

/**
 * Creates a graph in PNG format.  The PNG graph is encoded by the KeypointPNGEncoderAdapter
 * so that the resulting PNG is encoded with alpha transparency.
 *
 * @param key//from w  w w.ja  v a  2s  . c  o  m
 * @param width
 * @param height
 * @param startTime
 * @param endTime
 * @param dataPoints
 * @return
 * @throws IOException
 */
public byte[] generateGraph(String key, int width, int height, String color, long startTime, long endTime,
        int dataPoints) throws IOException {

    JFreeChart chart = generateChart(key, width, height, color, startTime, endTime, dataPoints);
    KeypointPNGEncoderAdapter encoder = new KeypointPNGEncoderAdapter();
    encoder.setEncodingAlpha(true);
    return encoder.encode(chart.createBufferedImage(width, height, BufferedImage.BITMASK, null));
}

---

From source file:de.forsthaus.webui.customer.CustomerChartCtrl.java

/**
 * onClick button Bar Chart. <br>/*from  w w w  .java  2s.c o  m*/
 * 
 * @param event
 * @throws IOException
 */
public void onClick$button_CustomerChart_BarChart(Event event) throws InterruptedException, IOException {
    // logger.debug(event.toString());

    div_chartArea.getChildren().clear();

    // get the customer ID for which we want show a chart
    long kunId = getCustomer().getId();

    // get a list of data
    List<ChartData> kunAmountList = getChartService().getChartDataForCustomer(kunId);

    if (kunAmountList.size() > 0) {

        DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        for (ChartData chartData : kunAmountList) {

            Calendar calendar = new GregorianCalendar();
            calendar.setTime(chartData.getChartKunInvoiceDate());

            int month = calendar.get(Calendar.MONTH) + 1;
            int year = calendar.get(Calendar.YEAR);
            String key = String.valueOf(month) + "/" + String.valueOf(year);

            BigDecimal bd = chartData.getChartKunInvoiceAmount().setScale(15, 3);
            String amount = String.valueOf(bd.doubleValue());

            // fill the data
            dataset.setValue(new Double(chartData.getChartKunInvoiceAmount().doubleValue()), key + " " + amount,
                    key + " " + amount);
        }

        String title = "Monthly amount for year 2009";
        PlotOrientation po = PlotOrientation.VERTICAL;
        JFreeChart chart = ChartFactory.createBarChart(title, "Month", "Amount", dataset, po, true, true, true);

        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setForegroundAlpha(0.5f);

        BufferedImage bi = chart.createBufferedImage(chartWidth, chartHeight, BufferedImage.TRANSLUCENT, null);
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage chartImage = new AImage("Bar Chart", bytes);

        Image img = new Image();
        img.setContent(chartImage);
        img.setParent(div_chartArea);

    } else {

        div_chartArea.getChildren().clear();

        Label label = new Label();
        label.setValue("This customer have no data for showing in a chart!");

        label.setParent(div_chartArea);

    }
}

---

From source file:de.forsthaus.webui.customer.CustomerChartCtrl.java

/**
 * onClick button Bar Chart 3D. <br>
 * /* w ww.j a v a2s. co m*/
 * @param event
 * @throws IOException
 */
public void onClick$button_CustomerChart_BarChart3D(Event event) throws InterruptedException, IOException {
    // logger.debug(event.toString());

    div_chartArea.getChildren().clear();

    // get the customer ID for which we want show a chart
    long kunId = getCustomer().getId();

    // get a list of data
    List<ChartData> kunAmountList = getChartService().getChartDataForCustomer(kunId);

    if (kunAmountList.size() > 0) {

        DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        for (ChartData chartData : kunAmountList) {

            Calendar calendar = new GregorianCalendar();
            calendar.setTime(chartData.getChartKunInvoiceDate());

            int month = calendar.get(Calendar.MONTH) + 1;
            int year = calendar.get(Calendar.YEAR);
            String key = String.valueOf(month) + "/" + String.valueOf(year);

            BigDecimal bd = chartData.getChartKunInvoiceAmount().setScale(15, 3);
            String amount = String.valueOf(bd.doubleValue());

            // fill the data
            dataset.setValue(new Double(chartData.getChartKunInvoiceAmount().doubleValue()), key + " " + amount,
                    key + " " + amount);
        }

        String title = "Monthly amount for year 2009";
        PlotOrientation po = PlotOrientation.VERTICAL;
        JFreeChart chart = ChartFactory.createBarChart3D(title, "Month", "Amount", dataset, po, true, true,
                true);

        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setForegroundAlpha(0.5f);
        BufferedImage bi = chart.createBufferedImage(chartWidth, chartHeight, BufferedImage.TRANSLUCENT, null);
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage chartImage = new AImage("Bar Chart 3D", bytes);

        Image img = new Image();
        img.setContent(chartImage);
        img.setParent(div_chartArea);

    } else {

        div_chartArea.getChildren().clear();

        Label label = new Label();
        label.setValue("This customer have no data for showing in a chart!");

        label.setParent(div_chartArea);
    }
}

---

From source file:de.forsthaus.webui.customer.CustomerChartCtrl.java

/**
 * onClick button Line Bar Chart. <br>
 * /*  ww w .ja va  2  s  .co  m*/
 * @param event
 * @throws IOException
 */
public void onClick$button_CustomerChart_LineBar(Event event) throws InterruptedException, IOException {
    // logger.debug(event.toString());

    div_chartArea.getChildren().clear();

    // get the customer ID for which we want show a chart
    long kunId = getCustomer().getId();

    // get a list of data
    List<ChartData> kunAmountList = getChartService().getChartDataForCustomer(kunId);

    if (kunAmountList.size() > 0) {

        DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        for (ChartData chartData : kunAmountList) {

            Calendar calendar = new GregorianCalendar();
            calendar.setTime(chartData.getChartKunInvoiceDate());

            int month = calendar.get(Calendar.MONTH) + 1;
            int year = calendar.get(Calendar.YEAR);
            String key = String.valueOf(month) + "/" + String.valueOf(year);

            BigDecimal bd = chartData.getChartKunInvoiceAmount().setScale(15, 3);
            String amount = String.valueOf(bd.doubleValue());

            // fill the data
            dataset.setValue(new Double(chartData.getChartKunInvoiceAmount().doubleValue()), "2009",
                    key + " " + amount);
        }

        String title = "Monthly amount for year 2009";
        PlotOrientation po = PlotOrientation.VERTICAL;
        JFreeChart chart = ChartFactory.createLineChart(title, "Month", "Amount", dataset, po, true, true,
                true);

        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setForegroundAlpha(0.5f);
        BufferedImage bi = chart.createBufferedImage(chartWidth, chartHeight, BufferedImage.TRANSLUCENT, null);
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage chartImage = new AImage("Line Bar Chart", bytes);

        Image img = new Image();
        img.setContent(chartImage);
        img.setParent(div_chartArea);

    } else {

        div_chartArea.getChildren().clear();

        Label label = new Label();
        label.setValue("This customer have no data for showing in a chart!");

        label.setParent(div_chartArea);

    }
}

---

From source file:de.forsthaus.webui.customer.CustomerChartCtrl.java

/**
 * onClick button Line Bar 3D Chart. <br>
 * // w  w w  .  ja  v  a 2  s . c o m
 * @param event
 * @throws IOException
 */
public void onClick$button_CustomerChart_LineBar3D(Event event) throws InterruptedException, IOException {
    // logger.debug(event.toString());

    div_chartArea.getChildren().clear();

    // get the customer ID for which we want show a chart
    long kunId = getCustomer().getId();

    // get a list of data
    List<ChartData> kunAmountList = getChartService().getChartDataForCustomer(kunId);

    if (kunAmountList.size() > 0) {

        DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        for (ChartData chartData : kunAmountList) {

            Calendar calendar = new GregorianCalendar();
            calendar.setTime(chartData.getChartKunInvoiceDate());

            int month = calendar.get(Calendar.MONTH) + 1;
            int year = calendar.get(Calendar.YEAR);
            String key = String.valueOf(month) + "/" + String.valueOf(year);

            BigDecimal bd = chartData.getChartKunInvoiceAmount().setScale(15, 3);
            String amount = String.valueOf(bd.doubleValue());

            // fill the data
            dataset.setValue(new Double(chartData.getChartKunInvoiceAmount().doubleValue()), "2009",
                    key + " " + amount);
        }

        String title = "Monthly amount for year 2009";
        PlotOrientation po = PlotOrientation.VERTICAL;
        JFreeChart chart = ChartFactory.createLineChart3D(title, "Month", "Amount", dataset, po, true, true,
                true);

        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setForegroundAlpha(0.5f);
        BufferedImage bi = chart.createBufferedImage(chartWidth, chartHeight, BufferedImage.TRANSLUCENT, null);
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage chartImage = new AImage("Line Bar Chart 3D", bytes);

        Image img = new Image();
        img.setContent(chartImage);
        img.setParent(div_chartArea);

    } else {

        div_chartArea.getChildren().clear();

        Label label = new Label();
        label.setValue("This customer have no data for showing in a chart!");

        label.setParent(div_chartArea);

    }
}

---

From source file:de.forsthaus.webui.customer.CustomerChartCtrl.java

/**
 * onClick button Stacked Bar Chart. <br>
 * //  w  ww .  j a va  2  s . c  om
 * @param event
 * @throws IOException
 */
public void onClick$button_CustomerChart_StackedBar(Event event) throws InterruptedException, IOException {
    // logger.debug(event.toString());

    div_chartArea.getChildren().clear();

    // get the customer ID for which we want show a chart
    long kunId = getCustomer().getId();

    // get a list of data
    List<ChartData> kunAmountList = getChartService().getChartDataForCustomer(kunId);

    if (kunAmountList.size() > 0) {

        DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        for (ChartData chartData : kunAmountList) {

            Calendar calendar = new GregorianCalendar();
            calendar.setTime(chartData.getChartKunInvoiceDate());

            int month = calendar.get(Calendar.MONTH) + 1;
            int year = calendar.get(Calendar.YEAR);
            String key = String.valueOf(month) + "/" + String.valueOf(year);

            BigDecimal bd = chartData.getChartKunInvoiceAmount().setScale(15, 3);
            String amount = String.valueOf(bd.doubleValue());

            // fill the data
            dataset.setValue(new Double(chartData.getChartKunInvoiceAmount().doubleValue()), key + " " + amount,
                    key + " " + amount);
        }

        String title = "Monthly amount for year 2009";
        PlotOrientation po = PlotOrientation.VERTICAL;
        JFreeChart chart = ChartFactory.createStackedBarChart(title, "Month", "Amount", dataset, po, true, true,
                true);

        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setForegroundAlpha(0.5f);
        BufferedImage bi = chart.createBufferedImage(chartWidth, chartHeight, BufferedImage.TRANSLUCENT, null);
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage chartImage = new AImage("Stacked Bar Chart", bytes);

        Image img = new Image();
        img.setContent(chartImage);
        img.setParent(div_chartArea);

    } else {

        div_chartArea.getChildren().clear();

        Label label = new Label();
        label.setValue("This customer have no data for showing in a chart!");

        label.setParent(div_chartArea);

    }
}

---

From source file:de.forsthaus.webui.customer.CustomerChartCtrl.java

/**
 * onClick button Stacked Bar 3D Chart. <br>
 * /*from  www .  ja  va2 s  . c om*/
 * @param event
 * @throws IOException
 */
public void onClick$button_CustomerChart_StackedBar3D(Event event) throws InterruptedException, IOException {
    // logger.debug(event.toString());

    div_chartArea.getChildren().clear();

    // get the customer ID for which we want show a chart
    long kunId = getCustomer().getId();

    // get a list of data
    List<ChartData> kunAmountList = getChartService().getChartDataForCustomer(kunId);

    if (kunAmountList.size() > 0) {

        DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        for (ChartData chartData : kunAmountList) {

            Calendar calendar = new GregorianCalendar();
            calendar.setTime(chartData.getChartKunInvoiceDate());

            int month = calendar.get(Calendar.MONTH) + 1;
            int year = calendar.get(Calendar.YEAR);
            String key = String.valueOf(month) + "/" + String.valueOf(year);

            BigDecimal bd = chartData.getChartKunInvoiceAmount().setScale(15, 3);
            String amount = String.valueOf(bd.doubleValue());

            // fill the data
            dataset.setValue(new Double(chartData.getChartKunInvoiceAmount().doubleValue()), key + " " + amount,
                    key + " " + amount);
        }

        String title = "Monthly amount for year 2009";
        PlotOrientation po = PlotOrientation.VERTICAL;
        JFreeChart chart = ChartFactory.createStackedBarChart3D(title, "Month", "Amount", dataset, po, true,
                true, true);

        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setForegroundAlpha(0.5f);
        BufferedImage bi = chart.createBufferedImage(chartWidth, chartHeight, BufferedImage.TRANSLUCENT, null);
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage chartImage = new AImage("Stacked Bar Chart 3D", bytes);

        Image img = new Image();
        img.setContent(chartImage);
        img.setParent(div_chartArea);

    } else {

        div_chartArea.getChildren().clear();

        Label label = new Label();
        label.setValue("This customer have no data for showing in a chart!");

        label.setParent(div_chartArea);

    }
}

---

From source file:fr.ens.transcriptome.corsen.gui.qt.ResultGraphs.java

/**
 * Create a scatter plot//from   w ww  .jav  a  2s.c o  m
 * @param particles Particle data to use
 * @param title Title of the graph
 * @return a QImage
 */
public QImage createScatterPlot(final Particles3D particles, final String title, final String unit) {

    if (particles == null)
        return null;

    List<Particle3D> pars = particles.getParticles();

    final int count = pars.size();

    final double[][] data = new double[2][];
    data[0] = new double[count];
    data[1] = new double[count];

    int i = 0;
    for (Particle3D p : pars) {

        data[0][i] = p.getIntensity();
        data[1][i] = p.getVolume();
        i++;
    }

    DefaultXYDataset xydataset = new DefaultXYDataset();
    xydataset.addSeries("data", data);

    JFreeChart chart = ChartFactory.createScatterPlot(title, "Intensity", "Volume" + unitLegendCude(unit),
            xydataset, PlotOrientation.VERTICAL, false, true, false);

    addTransparency(chart);

    XYPlot xyplot = (XYPlot) chart.getPlot();
    XYDotRenderer xydotrenderer = new XYDotRenderer();
    xydotrenderer.setDotWidth(2);
    xydotrenderer.setDotHeight(2);
    xyplot.setRenderer(xydotrenderer);
    NumberAxis numberaxis = (NumberAxis) xyplot.getDomainAxis();
    numberaxis.setAutoRangeIncludesZero(false);

    final BufferedImage image = chart.createBufferedImage(this.width, this.height, BufferedImage.TYPE_INT_ARGB,
            null);

    return new QImage(toByte(image.getData().getDataBuffer()), this.width, this.height,
            QImage.Format.Format_ARGB32);
}

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From source file:org.sipfoundry.sipxconfig.site.cdr.CdrReports.java

private Image createCallDirectionCallsPieImage(List<CdrGraphBean> beans) {
    // Create a dataset
    DefaultKeyedValuesDataset data = new DefaultKeyedValuesDataset();

    // Fill dataset with beans data
    for (CdrGraphBean directionCall : beans) {
        data.setValue(directionCall.getKey(), directionCall.getCount());
    }/*from w  w  w . j a  v  a2  s.co m*/

    // Create a chart with the dataset
    JFreeChart chart = ChartFactory.createPieChart(EMPTY_TITLE, data, true, true, false);
    chart.setBackgroundPaint(Color.lightGray);
    chart.setTitle("Summary - " + getMessages().getMessage(TITLE_CALLDIRECTION_REPORT_KEY));
    chart.getTitle().setPaint(Color.BLACK);

    PiePlot chartplot = (PiePlot) chart.getPlot();
    chartplot.setCircular(true);
    chartplot.setLabelGenerator(new StandardPieSectionLabelGenerator(PIECHART_SECTIONLABEL_FORMAT));

    // Create and return the image
    return chart.createBufferedImage(500, 220, BufferedImage.TYPE_INT_RGB, null);
}

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