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:org.adempiere.webui.apps.graph.WPerformanceIndicator.java

/**
*    Init Graph Display//from ww  w  .j  a va2  s .c  om
*  Kinamo (pelgrim)
*/
private void init() {
    JFreeChart chart = createChart();
    chart.setBackgroundPaint(Color.WHITE);
    chart.setBorderVisible(true);
    chart.setBorderPaint(Color.LIGHT_GRAY);
    chart.setAntiAlias(true);
    BufferedImage bi = chart.createBufferedImage(200, 120, BufferedImage.TRANSLUCENT, null);
    try {
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage image = new AImage("", bytes);
        Image myImage = new Image();
        myImage.setContent(image);
        appendChild(myImage);
    } catch (Exception e) {
        // TODO: handle exception
    }

    invalidate();
}

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From source file:org.adempiere.webui.editor.WChartEditor.java

private void render(JFreeChart chart) {
    ChartRenderingInfo info = new ChartRenderingInfo();
    int width = 400;
    int height = chartModel.getWinHeight();
    BufferedImage bi = chart.createBufferedImage(width, height, BufferedImage.TRANSLUCENT, info);
    try {/*from  ww  w  . j  av  a  2s  . c  o  m*/
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage image = new AImage("", bytes);
        Imagemap myImage = new Imagemap();

        Panel panel = getComponent();
        myImage.setContent(image);
        if (panel.getPanelchildren() != null) {
            panel.getPanelchildren().getChildren().clear();
            panel.getPanelchildren().appendChild(myImage);
        } else {
            Panelchildren pc = new Panelchildren();
            panel.appendChild(pc);
            pc.appendChild(myImage);
        }

        int count = 0;
        for (Iterator<?> it = info.getEntityCollection().getEntities().iterator(); it.hasNext();) {
            ChartEntity entity = (ChartEntity) it.next();

            String key = null;
            String seriesName = null;
            if (entity instanceof CategoryItemEntity) {
                CategoryItemEntity item = ((CategoryItemEntity) entity);
                Comparable<?> colKey = item.getColumnKey();
                Comparable<?> rowKey = item.getRowKey();
                if (colKey != null && rowKey != null) {
                    key = colKey.toString();
                    seriesName = rowKey.toString();
                }
            } else if (entity instanceof PieSectionEntity) {
                Comparable<?> sectionKey = ((PieSectionEntity) entity).getSectionKey();
                if (sectionKey != null) {
                    key = sectionKey.toString();
                }
            }
            if (entity instanceof XYItemEntity) {
                XYItemEntity item = ((XYItemEntity) entity);
                if (item.getDataset() instanceof TimeSeriesCollection) {
                    TimeSeriesCollection data = (TimeSeriesCollection) item.getDataset();
                    TimeSeries series = data.getSeries(item.getSeriesIndex());
                    TimeSeriesDataItem dataitem = series.getDataItem(item.getItem());
                    seriesName = series.getKey().toString();
                    key = dataitem.getPeriod().toString();
                }
            }

            if (key == null)
                continue;

            Area area = new Area();
            myImage.appendChild(area);
            area.setCoords(entity.getShapeCoords());
            area.setShape(entity.getShapeType());
            area.setTooltiptext(entity.getToolTipText());
            area.setId(count + "_WG__" + seriesName + "__" + key);
            count++;
        }

        myImage.addEventListener(Events.ON_CLICK, new EventListener() {
            public void onEvent(Event event) throws Exception {
                MouseEvent me = (MouseEvent) event;
                String areaId = me.getArea();
                if (areaId != null) {
                    String[] strs = areaId.split("__");
                    if (strs.length == 3) {
                        chartMouseClicked(strs[2], strs[1]);
                    }
                }
            }
        });
    } catch (Exception e) {
        log.log(Level.SEVERE, "", e);
    }

}

---

From source file:org.adempiere.webui.apps.graph.jfreegraph.ChartRendererServiceImpl.java

@Override
public boolean renderPerformanceGraph(Component parent, int chartWidth, int chartHeight,
        final GoalModel goalModel) {
    GraphBuilder builder = new GraphBuilder();
    builder.setMGoal(goalModel.goal);//  w  ww. jav  a 2 s  . c o m
    builder.setXAxisLabel(goalModel.xAxisLabel);
    builder.setYAxisLabel(goalModel.yAxisLabel);
    builder.loadDataSet(goalModel.columnList);
    JFreeChart chart = builder.createChart(goalModel.chartType);
    ChartRenderingInfo info = new ChartRenderingInfo();
    chart.getPlot().setForegroundAlpha(0.6f);
    if (goalModel.zoomFactor > 0) {
        chartWidth = chartWidth * goalModel.zoomFactor / 100;
        chartHeight = chartHeight * goalModel.zoomFactor / 100;
    }
    if (!goalModel.showTitle) {
        chart.setTitle("");
    }
    BufferedImage bi = chart.createBufferedImage(chartWidth, chartHeight, BufferedImage.TRANSLUCENT, info);
    try {
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage image = new AImage("", bytes);
        Imagemap myImage = new Imagemap();

        myImage.setContent(image);
        parent.appendChild(myImage);

        int count = 0;
        for (Iterator<?> it = info.getEntityCollection().getEntities().iterator(); it.hasNext();) {
            ChartEntity entity = (ChartEntity) it.next();

            String key = null;
            if (entity instanceof CategoryItemEntity) {
                Comparable<?> colKey = ((CategoryItemEntity) entity).getColumnKey();
                if (colKey != null) {
                    key = colKey.toString();
                }
            } else if (entity instanceof PieSectionEntity) {
                Comparable<?> sectionKey = ((PieSectionEntity) entity).getSectionKey();
                if (sectionKey != null) {
                    key = sectionKey.toString();
                }
            }
            if (key == null) {
                continue;
            }

            Area area = new Area();
            myImage.appendChild(area);
            area.setCoords(entity.getShapeCoords());
            area.setShape(entity.getShapeType());
            area.setTooltiptext(entity.getToolTipText());
            area.setId(count + "_WG_" + key);
            count++;
        }

        myImage.addEventListener(Events.ON_CLICK, new EventListener<Event>() {
            public void onEvent(Event event) throws Exception {
                MouseEvent me = (MouseEvent) event;
                String areaId = me.getArea();
                if (areaId != null) {
                    List<GraphColumn> list = goalModel.columnList;
                    for (int i = 0; i < list.size(); i++) {
                        String s = "_WG_" + list.get(i).getLabel();
                        if (areaId.endsWith(s)) {
                            chartMouseClicked(goalModel.goal, list.get(i));
                            return;
                        }
                    }
                }
            }
        });
    } catch (Exception e) {
        log.log(Level.SEVERE, "", e);
        return false;
    }
    return true;
}

---

From source file:org.deegree.test.gui.StressTestController.java

private void drawDiagram(HttpServletResponse response, int width, int height) throws IOException {

    int n = resultData.size();
    double[] values = new double[n];
    for (int i = 0; i < n; i++)
        values[i] = resultData.get(i).getTimeElapsed() / 1000.0;

    HistogramDataset dataset = new HistogramDataset();
    dataset.addSeries(new Double(1.0), values, n);

    JFreeChart chart = ChartFactory.createHistogram("timeVSfreq", "time", "frequency", dataset,
            PlotOrientation.VERTICAL, true, true, true);

    ChartRenderingInfo info = new ChartRenderingInfo();
    BufferedImage buf = chart.createBufferedImage(width, height, 1, info);

    response.setContentType("image/jpeg");
    OutputStream out = response.getOutputStream();
    ImageIO.write(buf, "jpg", out);
    out.close();/*ww w.  j  a v  a  2  s . c om*/

}

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

/**
 * Create a box plot qimage./* ww  w  .ja  v a  2s . com*/
 * @param data Data to use
 * @return a QImage
 */
public QImage createBoxPlot(final double[] data, final String unit) {

    if (data == null || data.length < 2)
        return null;

    this.width = this.width / 2;

    List<Float> listData = new ArrayList<Float>(data.length);
    for (int i = 0; i < data.length; i++)
        listData.add((float) data[i]);

    DefaultBoxAndWhiskerCategoryDataset defaultboxandwhiskercategorydataset = new DefaultBoxAndWhiskerCategoryDataset();
    defaultboxandwhiskercategorydataset.add(listData, "Distances", "Min");

    JFreeChart chart = ChartFactory.createBoxAndWhiskerChart("Intensities Boxplot", "",
            "Distance" + unitLegend(unit), defaultboxandwhiskercategorydataset, false);

    addTransparency(chart);

    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);

}

---

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

/**
 * Create a histogram of distance distribution.
 * @param results Result to use//from   ww  w. java  2s  .  com
 * @return a QImage of the graph
 */
public QImage createDistanceDistributionImage(final CorsenResult results, final int classes,
        final String unit) {

    HistogramDataset histogramdataset = new HistogramDataset();

    createHistoDataSet(results.getMinDistances(), "Min distances", histogramdataset, classes);
    // createHistoDataSet(results.getMaxDistances(), "Max distances",
    // histogramdataset);

    JFreeChart chart = ChartFactory.createHistogram("Distribution of minimal distances",
            // title
            "Distance" + unitLegend(unit), // domain axis label
            "Intensity", // range axis label
            histogramdataset, // data

            PlotOrientation.VERTICAL, // orientation
            false, // include legend
            true, // tooltips?
            false // URLs?
    );

    addTransparency(chart);

    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);
}

---

From source file:org.adempiere.webui.apps.graph.WGraph.java

private void render(JFreeChart chart) {
    ChartRenderingInfo info = new ChartRenderingInfo();
    int width = 560;
    int height = 400;
    if (zoomFactor > 0) {
        width = width * zoomFactor / 100;
        height = height * zoomFactor / 100;
    }/*from  w  w w  .  j av a2s  . c om*/
    if (m_hideTitle) {
        chart.setTitle("");
    }
    BufferedImage bi = chart.createBufferedImage(width, height, BufferedImage.TRANSLUCENT, info);
    try {
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage image = new AImage("", bytes);
        Imagemap myImage = new Imagemap();

        myImage.setContent(image);
        if (panel.getPanelchildren() != null) {
            panel.getPanelchildren().getChildren().clear();
            panel.getPanelchildren().appendChild(myImage);
        } else {
            Panelchildren pc = new Panelchildren();
            panel.appendChild(pc);
            pc.appendChild(myImage);
        }

        int count = 0;
        for (Iterator<?> it = info.getEntityCollection().getEntities().iterator(); it.hasNext();) {
            ChartEntity entity = (ChartEntity) it.next();

            String key = null;
            if (entity instanceof CategoryItemEntity) {
                Comparable<?> colKey = ((CategoryItemEntity) entity).getColumnKey();
                if (colKey != null) {
                    key = colKey.toString();
                }
            } else if (entity instanceof PieSectionEntity) {
                Comparable<?> sectionKey = ((PieSectionEntity) entity).getSectionKey();
                if (sectionKey != null) {
                    key = sectionKey.toString();
                }
            }
            if (key == null) {
                continue;
            }

            Area area = new Area();
            myImage.appendChild(area);
            area.setCoords(entity.getShapeCoords());
            area.setShape(entity.getShapeType());
            area.setTooltiptext(entity.getToolTipText());
            area.setId(count + "_WG_" + key);
            count++;
        }

        myImage.addEventListener(Events.ON_CLICK, new EventListener() {
            public void onEvent(Event event) throws Exception {
                MouseEvent me = (MouseEvent) event;
                String areaId = me.getArea();
                if (areaId != null) {
                    for (int i = 0; i < list.size(); i++) {
                        String s = "_WG_" + list.get(i).getLabel();
                        if (areaId.endsWith(s)) {
                            chartMouseClicked(i);
                            return;
                        }
                    }
                }
            }
        });
    } catch (Exception e) {
        log.log(Level.SEVERE, "", e);
    }
}

---

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

public QImage createDistanceDistributionImage(final double[] data, final int classes, final String unit) {

    if (data == null || data.length < 2)
        return null;

    HistogramDataset histogramdataset = new HistogramDataset();

    histogramdataset.addSeries("Min distances", data, classes, getMin(data), getMax(data));

    // createHistoDataSet(results.getMaxDistances(), "Max distances",
    // histogramdataset);

    JFreeChart chart = ChartFactory.createHistogram("Distribution of minimal distances",
            // title
            "Distance" + unitLegend(unit), // domain axis label
            "Cell number", // range axis label
            histogramdataset, // data

            PlotOrientation.VERTICAL, // orientation
            false, // include legend
            true, // tooltips?
            false // URLs?
    );//from  w  w w  .  ja  va 2 s  .co  m

    addTransparency(chart);

    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);
}

---

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

/**
 * onClick button PieChart. <br>//from w w  w .ja  va  2  s  .com
 * 
 * @param event
 * @throws IOException
 */
public void onClick$button_CustomerChart_PieChart(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.createPieChart(title, pieDataset, true, true, true);
        PiePlot plot = (PiePlot) 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(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 Ring Chart. <br>
 * /*from   www. ja va 2s  . c  o  m*/
 * @param event
 * @throws IOException
 */
public void onClick$button_CustomerChart_RingChart(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.createRingChart(title, pieDataset, true, true, true);
        RingPlot plot = (RingPlot) 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("Ring Chart", bytes);

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

    } else {

        div_chartArea.getChildren().clear();

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

        label.setParent(div_chartArea);

    }
}

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