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) 

Source Link

Document

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

Usage

From source file:logica_controladores.controlador_estadistica.java

public static void grafica_reorden(JPanel panel_grafica_orden, Inventario inventario, JLabel lbLinea) {
    XYSeries serie_2 = null;/*from w ww.  ja  va  2  s. co  m*/
    XYDataset datos;
    JFreeChart linea;

    serie_2 = new XYSeries("graficas relacion gastos-reorden");

    for (int i = 0; i < inventario.getGastos().size(); i++) {
        serie_2.add(inventario.getGastos().get(i).getReorden(), inventario.getGastos().get(i).getGastos());
    }
    datos = new XYSeriesCollection(serie_2);
    linea = ChartFactory.createXYLineChart("grafica representativa de reordenes por corrida", "punto de orden",
            "gastos", datos, PlotOrientation.VERTICAL, true, true, true);
    BufferedImage graficoLinea = linea.createBufferedImage(panel_grafica_orden.getWidth(),
            panel_grafica_orden.getHeight());
    lbLinea.setSize(panel_grafica_orden.getSize());
    lbLinea.setIcon(new ImageIcon(graficoLinea));
    panel_grafica_orden.updateUI();
}

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From source file:weka.core.ChartUtils.java

/**
 * Create a box plot buffered image from summary data (mean, median, q1, q3,
 * min, max, minOutlier, maxOutlier, list of outliers)
 * /* w  w  w .  j a v  a 2 s. c o m*/
 * @param width the width of the resulting image
 * @param height the height of the resulting image
 * @param summary summary data
 * @param outliers list of outlier values
 * @param additionalArgs additional options to the renderer
 * @return a box plot chart
 * @throws Exception if a problem occurs
 */
public static BufferedImage renderBoxPlotFromSummaryData(int width, int height, List<Double> summary,
        List<Double> outliers, List<String> additionalArgs) throws Exception {

    JFreeChart chart = getBoxPlotFromSummaryData(summary, outliers, additionalArgs);
    BufferedImage image = chart.createBufferedImage(width, height);
    return image;
}

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From source file:weka.core.ChartUtils.java

/**
 * Render a pie chart from summary data (i.e. a list of values and their
 * corresponding frequencies) to a buffered image
 * /*  ww w  .  j a va  2  s.c o m*/
 * @param width the width of the resulting image
 * @param height the height of the resulting image
 * @param values a list of values for the chart
 * @param freqs a list of corresponding frequencies
 * @param showLabels true if the chart will show labels
 * @param showLegend true if the chart will show a legend
 * @param additionalArgs optional arguments to the renderer (may be null)
 * @return a buffered image
 * @throws Exception if a problem occurs
 */
public static BufferedImage renderPieChartFromSummaryData(int width, int height, List<String> values,
        List<Double> freqs, boolean showLabels, boolean showLegend, List<String> additionalArgs)
        throws Exception {

    JFreeChart chart = getPieChartFromSummaryData(values, freqs, showLabels, showLegend, additionalArgs);
    BufferedImage image = chart.createBufferedImage(width, height);

    return image;
}

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From source file:de.bund.bfr.knime.chart.ChartUtils.java

public static ImagePortObject getImage(JFreeChart chart, boolean asSvg, int width, int height) {
    if (asSvg) {// w  w w.j  av a 2 s .c  om
        SVGDocument document = (SVGDocument) new SVGDOMImplementation().createDocument(null, "svg", null);
        SVGGraphics2D g = new SVGGraphics2D(document);

        g.setSVGCanvasSize(new Dimension(width, height));

        if (chart != null) {
            chart.draw(g, new Rectangle2D.Double(0, 0, width, height));
        }

        g.dispose();
        document.replaceChild(g.getRoot(), document.getDocumentElement());
        return new ImagePortObject(new SvgImageContent(document), new ImagePortObjectSpec(SvgCell.TYPE));
    } else {
        try {
            BufferedImage img = chart != null ? chart.createBufferedImage(width, height)
                    : new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

            return new ImagePortObject(new PNGImageContent(ChartUtilities.encodeAsPNG(img)),
                    new ImagePortObjectSpec(PNGImageContent.TYPE));
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }
}

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From source file:org.opennms.netmgt.charts.ChartUtils.java

/**
 * Helper method used to return a JFreeChart as a buffered Image.
 *
 * @param chartName a {@link java.lang.String} object.
 * @return a <code>BufferedImage</code>
 * @throws org.exolab.castor.xml.MarshalException if any.
 * @throws org.exolab.castor.xml.ValidationException if any.
 * @throws java.io.IOException if any.// w w  w .j ava2  s  . c om
 * @throws java.sql.SQLException if any.
 */
public static BufferedImage getChartAsBufferedImage(String chartName)
        throws MarshalException, ValidationException, IOException, SQLException {
    BarChart chartConfig = getBarChartConfigByName(chartName);
    JFreeChart chart = getBarChart(chartName);
    ImageSize imageSize = chartConfig.getImageSize();
    int hzPixels;
    int vtPixels;

    if (imageSize == null) {
        hzPixels = 400;
        vtPixels = 400;
    } else {
        hzPixels = imageSize.getHzSize().getPixels();
        vtPixels = imageSize.getVtSize().getPixels();
    }

    return chart.createBufferedImage(hzPixels, vtPixels);

}

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From source file:org.opennms.netmgt.charts.ChartUtils.java

/**
 * Helper method that returns the JFreeChart as a PNG byte array.
 *
 * @param chartName a {@link java.lang.String} object.
 * @return a byte array//from w w w  . j  av  a 2s . c om
 * @throws org.exolab.castor.xml.MarshalException if any.
 * @throws org.exolab.castor.xml.ValidationException if any.
 * @throws java.io.IOException if any.
 * @throws java.sql.SQLException if any.
 */
public static byte[] getBarChartAsPNGByteArray(String chartName)
        throws MarshalException, ValidationException, IOException, SQLException {
    BarChart chartConfig = getBarChartConfigByName(chartName);
    JFreeChart chart = getBarChart(chartName);
    ImageSize imageSize = chartConfig.getImageSize();
    int hzPixels;
    int vtPixels;

    if (imageSize == null) {
        hzPixels = 400;
        vtPixels = 400;
    } else {
        hzPixels = imageSize.getHzSize().getPixels();
        vtPixels = imageSize.getVtSize().getPixels();
    }
    return ChartUtilities.encodeAsPNG(chart.createBufferedImage(hzPixels, vtPixels));
}

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From source file:weka.core.ChartUtils.java

/**
 * Render a histogram chart from summary data (i.e. a list of bin labels and
 * corresponding frequencies) to a buffered image
 * //from  ww  w .jav  a2s . co  m
 * @param width the width of the resulting image
 * @param height the height of the resulting image
 * @param bins the list of bin labels
 * @param freqs the corresponding bin frequencies
 * @param additionalArgs optional arguments to the renderer (may be null)
 * @return a histogram as a buffered image
 * @throws Exception if a problem occurs
 */
public static BufferedImage renderHistogramFromSummaryData(int width, int height, List<String> bins,
        List<Double> freqs, List<String> additionalArgs) throws Exception {

    JFreeChart chart = getHistogramFromSummaryDataChart(bins, freqs, additionalArgs);
    CategoryAxis axis = chart.getCategoryPlot().getDomainAxis();
    axis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
    Font newFont = new Font("SansSerif", Font.PLAIN, 11);
    axis.setTickLabelFont(newFont);
    BufferedImage image = chart.createBufferedImage(width, height);
    return image;
}

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From source file:cl.apr.pdf.chart.BarChartAviso.java

public static BufferedImage crearBarchart(List<BarChartItem> barChartItems) {
    BufferedImage bi = null;// w w  w  . ja va2 s.  c o  m
    try {

        ChartFactory.setChartTheme(StandardChartTheme.createJFreeTheme());
        //ChartFactory.setChartTheme(StandardChartTheme.createDarknessTheme());

        /* Step - 1: Define the data for the bar chart  */
        DefaultCategoryDataset my_bar_chart_dataset = new DefaultCategoryDataset();
        int i = 0;
        for (BarChartItem barChartItem : barChartItems) {
            if (barChartItem.getNombre().equals("-")) {
                my_bar_chart_dataset.addValue(barChartItem.getValor(), "serie", (++i) + "");
            } else
                my_bar_chart_dataset.addValue(barChartItem.getValor(), "serie", barChartItem.getNombre());
        }
        //                my_bar_chart_dataset.addValue(34, "mes", "Ene");
        //                my_bar_chart_dataset.addValue(25, "mes", "Feb");
        //                my_bar_chart_dataset.addValue(22, "mes", "Mar");
        //                my_bar_chart_dataset.addValue(12, "mes", "Abr");
        //                my_bar_chart_dataset.addValue(40, "mes", "May");
        //                my_bar_chart_dataset.addValue(30, "mes", "jun");
        //                my_bar_chart_dataset.addValue(2, "mes", "Jul");
        //                my_bar_chart_dataset.addValue(15, "mes", "Ago");

        /* Step -2:Define the JFreeChart object to create bar chart */
        //JFreeChart chart=ChartFactory.createBarChart("Detalle de sus consumos","","MT3",my_bar_chart_dataset,PlotOrientation.VERTICAL,true,true,false);    
        JFreeChart chart = ChartFactory.createBarChart("", "", "MT3", my_bar_chart_dataset,
                PlotOrientation.VERTICAL, true, true, false);

        //chart.setBackgroundPaint(Color.lightGray);
        // get a reference to the plot for further customisation... 
        final CategoryPlot plot = chart.getCategoryPlot();
        CategoryItemRenderer renderer = new CustomRenderer();

        renderer.setSeriesPaint(0, Color.DARK_GRAY);

        plot.setRenderer(renderer);
        plot.setBackgroundPaint(Color.white);

        chart.setBorderVisible(false);
        chart.setBackgroundPaint(Color.white);
        chart.setBorderStroke(null);
        chart.getLegend().visible = false;
        /* Step -3: Write the output as PNG file with bar chart information */
        int width = 480; /* Width of the image */
        int height = 250; /* Height of the image */
        bi = chart.createBufferedImage(width, height);

        /*
                
        File BarChart=new File("output_chart.png");              
        ChartUtilities.saveChartAsPNG(BarChart,BarChartObject,width,height); 
                */
    } catch (Exception i) {
        System.out.println(i);
    }

    return bi;
}

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From source file:de.aidger.view.utils.Charts.java

/**
 * Creates a 3D pie chart.//from  www .j ava 2 s  .  co m
 * 
 * @param title
 *            the diagram title
 * @param dataset
 *            the dataset.
 * @param width
 *            the width of the chart as image
 * @param height
 *            the height of the chart as image
 * 
 * @return the 3D pie chart as image
 */
public static ImageIcon createPieChart3D(String title, PieDataset dataset, int width, int height) {
    JFreeChart chart = ChartFactory.createPieChart3D(title, dataset, true, true, false);

    Font titleFont = UIManager.getFont("TitledBorder.font");

    chart.setBackgroundPaint(null);
    chart.getLegend().setBackgroundPaint(null);
    chart.getTitle().setFont(new Font(titleFont.getName(), titleFont.getStyle(), 14));
    chart.getTitle().setPaint(UIManager.getColor("TitledBorder.titleColor"));
    chart.setBorderPaint(null);
    chart.getLegend().setBorder(0, 0, 0, 0);

    PiePlot3D plot = (PiePlot3D) chart.getPlot();
    plot.setStartAngle(290);
    plot.setForegroundAlpha(0.9f);
    plot.setDirection(Rotation.CLOCKWISE);
    plot.setNoDataMessage(_("No data to display."));
    plot.setLabelGenerator(null);
    plot.setInsets(new RectangleInsets(10, 1, 5, 1));
    plot.setBackgroundPaint(null);
    plot.setOutlineVisible(false);
    plot.setDarkerSides(true);

    return new ImageIcon(chart.createBufferedImage(width, height));
}

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From source file:zw.co.hitrac.tpg.web.chart.GeneralChart.java

@Override
protected IResource getImageResource() {
    return new DynamicImageResource() {

        @Override//from   w  ww .  ja  v a 2 s  . c om
        protected byte[] getImageData(IResource.Attributes atrbts) {
            JFreeChart chart = createData();
            return toImageData(chart.createBufferedImage(width, height));

        }
    };
}

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