Example usage for org.jfree.chart JFreeChart createBufferedImage

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

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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:jgnash.ui.budget.BudgetSparkline.java

public static Icon getSparklineImage(final List<BigDecimal> amounts) {

    DefaultCategoryDataset dataset = new DefaultCategoryDataset();

    final boolean[] negate = new boolean[amounts.size()];

    for (int i = 0; i < amounts.size(); i++) {
        dataset.addValue(amounts.get(i), CATEGORY, i);
        negate[i] = amounts.get(i).signum() == -1;
    }/*from   w w w. j av a2  s .com*/

    CategoryAxis xAxis = new CategoryAxis();
    xAxis.setTickLabelsVisible(false);
    xAxis.setTickMarksVisible(false);
    xAxis.setAxisLineVisible(false);
    xAxis.setVisible(false);

    NumberAxis yAxis = new NumberAxis();
    yAxis.setTickLabelsVisible(false);
    yAxis.setTickMarksVisible(false);
    yAxis.setAxisLineVisible(false);
    yAxis.setNegativeArrowVisible(false);
    yAxis.setPositiveArrowVisible(false);
    yAxis.setAutoRangeIncludesZero(true);
    yAxis.setAutoRange(true);
    yAxis.setVisible(false);

    BarRenderer renderer = new BarRenderer() {

        @Override
        public Paint getItemPaint(final int row, final int column) {
            return negate[column] ? Color.RED : Color.BLACK;
        }
    };

    renderer.setShadowVisible(false);
    renderer.setBarPainter(new StandardBarPainter());

    CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, renderer);
    plot.setInsets(INSETS);
    plot.setDomainGridlinesVisible(false);
    plot.setDomainCrosshairVisible(false);
    plot.setRangeGridlinesVisible(false);
    plot.setRangeCrosshairVisible(false);
    plot.setBackgroundPaint(CLEAR);

    JFreeChart chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, plot, false);
    chart.setBorderVisible(false);
    chart.setBackgroundPaint(CLEAR);

    Icon icon = EMPTY_ICON;

    try {
        byte[] image = ENCODER
                .encode(chart.createBufferedImage(DEFAULT_WIDTH, DEFAULT_HEIGHT, BufferedImage.BITMASK, null));
        icon = new ImageIcon(image);
    } catch (IOException ex) {
        Logger.getLogger(BudgetSparkline.class.getName()).log(Level.SEVERE, null, ex);
    }

    return icon;
}

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

private static Image createTerminationCallsPieImage(List<CdrGraphBean> beans) {
    // Create a dataset
    DefaultPieDataset data = new DefaultPieDataset();

    // Fill dataset with beans data
    for (CdrGraphBean terminationCall : beans) {
        data.setValue(terminationCall.getKey(), terminationCall.getCount());
    }//w  ww  .ja va  2  s .  co  m

    // Create a chart with the dataset
    JFreeChart chart = ChartFactory.createPieChart(EMPTY_TITLE, data, true, true, true);
    chart.setBackgroundPaint(Color.lightGray);
    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);
}

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

private static Image createExtensionsChartImage(List<CdrGraphBean> extensions, String xAxisLabel,
        String yAxisLabel) {/*from  w  w  w  .j a  va2 s.co  m*/
    // Create a dataset...
    DefaultCategoryDataset data = new DefaultCategoryDataset();

    // Fill dataset with beans data
    for (CdrGraphBean extension : extensions) {
        data.setValue(extension.getCount(), extension.getKey(), extension.getKey());
    }

    // Create a chart with the dataset
    JFreeChart barChart = ChartFactory.createBarChart3D(EMPTY_TITLE, xAxisLabel, yAxisLabel, data,
            PlotOrientation.VERTICAL, true, true, true);
    barChart.setBackgroundPaint(Color.lightGray);
    barChart.getTitle().setPaint(Color.BLACK);
    CategoryPlot p = barChart.getCategoryPlot();
    p.setRangeGridlinePaint(Color.red);

    // Create and return the image with the size specified in the XML design
    return barChart.createBufferedImage(500, 220, BufferedImage.TYPE_INT_RGB, null);
}

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

private static Image createMinutesOutgoingCallsChartImage(List<CdrMinutesGraphBean> minutesOutgoingCalls,
        String xAxisLabel, String yAxisLabel) {
    // Create a dataset...
    DefaultCategoryDataset data = new DefaultCategoryDataset();

    // Fill dataset with beans data
    for (CdrMinutesGraphBean minutesOutgoingCall : minutesOutgoingCalls) {
        data.setValue(minutesOutgoingCall.getMinutes() / 60000, minutesOutgoingCall.getExtension(),
                minutesOutgoingCall.getExtension());
    }/*from  w  w  w .j av a2  s.c  om*/

    // Create a chart with the dataset
    JFreeChart barChart = ChartFactory.createBarChart3D(EMPTY_TITLE, xAxisLabel, yAxisLabel, data,
            PlotOrientation.VERTICAL, true, true, true);
    barChart.setBackgroundPaint(Color.lightGray);
    barChart.getTitle().setPaint(Color.BLACK);
    CategoryPlot p = barChart.getCategoryPlot();
    p.setRangeGridlinePaint(Color.red);

    // Create and return the image with the size specified in the XML design
    return barChart.createBufferedImage(500, 220, BufferedImage.TYPE_INT_RGB, null);
}

From source file:org.sonar.server.charts.deprecated.BaseChart.java

protected BufferedImage getBufferedImage(JFreeChart chart) {
    return chart.createBufferedImage(getWidth(), getHeight(), Transparency.BITMASK, null);
}

From source file:org.gumtree.vis.mask.ChartMaskingUtilities.java

/**
 * Writes a chart to an output stream in JPEG format. This method allows
 * you to pass in a {@link ChartRenderingInfo} object, to collect
 * information about the chart dimensions/entities.  You will need this
 * info if you want to create an HTML image map.
 *
 * @param out  the output stream (<code>null</code> not permitted).
 * @param chart  the chart (<code>null</code> not permitted).
 * @param width  the image width./* ww  w  . j a  v  a  2 s .  c o  m*/
 * @param height  the image height.
 * @param info  the chart rendering info (<code>null</code> permitted).
 * @param shapeMap 
 *
 * @throws IOException if there are any I/O errors.
 */
public static void writeChartAsJPEG(File file, JFreeChart chart, int width, int height, ChartRenderingInfo info,
        Rectangle2D imageArea, LinkedHashMap<AbstractMask, Color> maskList,
        LinkedHashMap<Shape, Color> shapeMap, LinkedHashMap<Rectangle2D, String> textContentMap)
        throws IOException {

    if (file == null) {
        throw new IllegalArgumentException("Null 'file' argument.");
    }
    if (chart == null) {
        throw new IllegalArgumentException("Null 'chart' argument.");
    }
    OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
    BufferedImage image = chart.createBufferedImage(width, height, BufferedImage.TYPE_INT_RGB, info);
    Graphics2D g2 = image.createGraphics();
    drawMasks(g2, imageArea, maskList, null, chart);
    drawShapes(g2, imageArea, shapeMap, chart);
    drawText(g2, imageArea, textContentMap, chart);
    g2.dispose();
    try {
        EncoderUtil.writeBufferedImage(image, ImageFormat.JPEG, out);
    } finally {
        out.close();
    }
}

From source file:org.gumtree.vis.mask.ChartMaskingUtilities.java

/**
 * Writes a chart to an output stream in PNG format.  This method allows
 * you to pass in a {@link ChartRenderingInfo} object, to collect
 * information about the chart dimensions/entities.  You will need this
 * info if you want to create an HTML image map.
 *
 * @param out  the output stream (<code>null</code> not permitted).
 * @param chart  the chart (<code>null</code> not permitted).
 * @param width  the image width.//w  ww. j  a  va 2 s .  com
 * @param height  the image height.
 * @param info  carries back chart rendering info (<code>null</code>
 *              permitted).
 * @param shapeMap 
 * @param encodeAlpha  encode alpha?
 * @param compression  the PNG compression level (0-9).
 *
 * @throws IOException if there are any I/O errors.
 */
public static void writeChartAsPNG(File file, JFreeChart chart, int width, int height, ChartRenderingInfo info,
        Rectangle2D imageArea, LinkedHashMap<AbstractMask, Color> maskList,
        LinkedHashMap<Shape, Color> shapeMap, LinkedHashMap<Rectangle2D, String> textContentMap)
        throws IOException {

    if (file == null) {
        throw new IllegalArgumentException("Null 'file' argument.");
    }
    if (chart == null) {
        throw new IllegalArgumentException("Null 'chart' argument.");
    }
    OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
    BufferedImage chartImage = chart.createBufferedImage(width, height, BufferedImage.TYPE_INT_ARGB, info);
    Graphics2D g2 = chartImage.createGraphics();
    drawMasks(g2, imageArea, maskList, null, chart);
    drawShapes(g2, imageArea, shapeMap, chart);
    drawText(g2, imageArea, textContentMap, chart);
    g2.dispose();
    try {
        ChartUtilities.writeBufferedImageAsPNG(out, chartImage);
    } finally {
        out.close();
    }
}

From source file:org.eevolution.form.WCRP.java

private void renderChart(JFreeChart jchart) {

    BufferedImage bi = jchart.createBufferedImage(700, 500, Transparency.TRANSLUCENT, null);
    try {//  w w w  . j  a v a2 s  .c o m
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage image = new AImage("", bytes);
        chartPanel.removeChild(chart);

        chart = new Image();
        chart.setContent(image);
        chartPanel.appendChild(chart);
        chartPanel.setVisible(true);
    } catch (Exception e) {
    }
}

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

@Override
public boolean renderPerformanceIndicator(Component parent, int chartWidth, int chartHeight,
        IndicatorModel model) {/* ww w  .  j  av  a  2  s .co m*/
    PerformanceGraphBuilder builder = new PerformanceGraphBuilder();
    JFreeChart chart = builder.createIndicatorChart(model);
    chart.setBackgroundPaint(model.chartBackground);
    chart.setAntiAlias(true);
    BufferedImage bi = chart.createBufferedImage(chartWidth, chartHeight, BufferedImage.TRANSLUCENT, null);
    try {
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage image = new AImage("", bytes);
        Image myImage = new Image();
        myImage.setContent(image);
        parent.appendChild(myImage);
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
    return true;
}

From source file:org.eevolution.form.WCRPDetail.java

private void renderChart(JFreeChart jchart) {

    BufferedImage bi = jchart.createBufferedImage(700, 500, Transparency.TRANSLUCENT, null);
    try {//  w  w w.  j a va 2s . c  o m
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage image = new AImage("", bytes);
        mainLayout.removeChild(west);
        chartPanel = new Hbox();
        chart = new Image();
        chart.setContent(image);
        chartPanel.appendChild(chart);

        west = new West();
        west.appendChild(chartPanel);
        west.setSplittable(true);
        west.setSize("70%");
        west.setAutoscroll(true);
        west.setOpen(true);
        mainLayout.appendChild(west);

    } catch (Exception e) {
        log.log(Level.SEVERE, "WCRP.init", e.getMessage());
    }
}