Example usage for org.jfree.chart JFreeChart draw

Introduction

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

Prototype

@Override
public void draw(Graphics2D g2, Rectangle2D area) 

Source Link

Document

Draws the chart on a Java 2D graphics device (such as the screen or a printer).

Usage

From source file:peakml.graphics.JFreeChartTools.java

/**
 * This method writes the given graph to the output stream in the PNG format.
 * //  w  w  w .  ja v a  2s . com
 * @param out         The output stream to write to.
 * @param chart         The chart to be written.
 * @param width         The width of the image.
 * @param height      The height of the image.
 * @throws IOException   Thrown when an error occurs with the IO.
 */
public static void writeAsPNG(OutputStream out, JFreeChart chart, int width, int height) throws IOException {
    BufferedImage graph_img = new BufferedImage(800, 500, BufferedImage.TYPE_INT_ARGB);
    chart.draw(graph_img.createGraphics(), new java.awt.Rectangle(0, 0, 800, 500));
    javax.imageio.ImageIO.write(graph_img, "png", out);
}

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From source file:jmbench.plots.UtilPlotPdf.java

protected static BufferedImage draw(JFreeChart chart, int width, int height) {
    BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = img.createGraphics();

    chart.draw(g2, new Rectangle2D.Double(0, 0, width, height));

    g2.dispose();//from  w  ww  .j a  va 2s.co  m
    return img;
}

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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) {//from ww w  .j  a  v  a 2  s . co  m
        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:de.bund.bfr.knime.pmm.common.chart.ChartUtilities.java

public static SvgImageContent convertToSVGImageContent(JFreeChart chart, int width, int height) {
    SVGDOMImplementation domImpl = new SVGDOMImplementation();
    Document document = domImpl.createDocument(null, "svg", null);
    SVGGraphics2D svgGenerator = new SVGGraphics2D(document);

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

    if (chart != null) {
        chart.draw(svgGenerator, new Rectangle2D.Double(0, 0, width, height));
    }/*from   ww w  .ja  v  a 2  s  . com*/

    svgGenerator.finalize();
    document.replaceChild(svgGenerator.getRoot(), document.getDocumentElement());

    return new SvgImageContent((SVGDocument) document, true);
}

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From source file:org.jfreechart.SVGExporter.java

public static void exportChartAsSVG(JFreeChart chart, Rectangle bounds, File svgFile) throws IOException {
    // Get a DOMImplementation and create an XML document
    DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
    Document document = domImpl.createDocument(null, "svg", null);

    // Create an instance of the SVG Generator
    SVGGraphics2D svgGenerator = new SVGGraphics2D(document);

    // draw the chart in the SVG generator
    chart.draw(svgGenerator, bounds);

    // Write svg file
    OutputStream outputStream = new FileOutputStream(svgFile);
    Writer out = new OutputStreamWriter(outputStream, "UTF-8");
    svgGenerator.stream(out, true /* use css */);
    outputStream.flush();//  www.  j  a va2  s .c  o  m
    outputStream.close();
}

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From source file:com.redhat.thermostat.byteman.plot.impl.TestPlotRenderer.java

private static void chartToSvg(JFreeChart chart, int width, int height, String filename) throws Exception {
    Writer writer = null;//from  w  ww.  j av a2  s .  c o  m
    try {
        DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
        Document document = domImpl.createDocument(null, "svg", null);
        SVGGraphics2D svgGenerator = new SVGGraphics2D(document);
        svgGenerator.setSVGCanvasSize(new Dimension(width, height));
        chart.draw(svgGenerator, new Rectangle(width, height));
        OutputStream os = new FileOutputStream(filename + ".svg");
        writer = new BufferedWriter(new OutputStreamWriter(os, Charset.forName("UTF-8")));
        svgGenerator.stream(writer);
    } finally {
        closeQuietly(writer);
    }
}

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From source file:org.dkpro.lab.reporting.ChartUtil.java

/**
 * Exports a JFreeChart to a SVG file./*from   w ww  .j av  a  2s  .c o  m*/
 *
 * @param chart JFreeChart to export
 * @param aOS stream to write to.
 * @param aWidth width of the chart in pixels
 * @param aHeight height of the chart in pixels
 * @throws IOException if writing the svgFile fails.
 * @see <a href="http://dolf.trieschnigg.nl/jfreechart/">Saving JFreeChart as SVG vector images
 *      using Batik</a>
 */
public static void writeChartAsSVG(OutputStream aOS, JFreeChart chart, int aWidth, int aHeight)
        throws IOException {
    // Get a DOMImplementation and create an XML document
    DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
    Document document = domImpl.createDocument(null, "svg", null);

    // Create an instance of the SVG Generator
    SVGGraphics2D svgGenerator = new SVGGraphics2D(document);

    // draw the chart in the SVG generator
    chart.draw(svgGenerator, new Rectangle(aWidth, aHeight));

    // Write svg file
    Writer out = new OutputStreamWriter(aOS, "UTF-8");
    svgGenerator.stream(out, true /* use css */);
    out.flush();
    out.close();
}

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From source file:com.unicornlabs.kabouter.reporting.PowerReport.java

public static void GeneratePowerReport(Date startDate, Date endDate) {
    try {/*from   w w  w .j  a va  2  s .  c om*/
        Historian theHistorian = (Historian) BusinessObjectManager.getBusinessObject(Historian.class.getName());
        ArrayList<String> powerLogDeviceIds = theHistorian.getPowerLogDeviceIds();

        Document document = new Document(PageSize.A4, 50, 50, 50, 50);

        File outputFile = new File("PowerReport.pdf");
        outputFile.createNewFile();

        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(outputFile));
        document.open();

        document.add(new Paragraph("Power Report for " + startDate.toString() + " to " + endDate.toString()));

        document.newPage();

        DecimalFormat df = new DecimalFormat("#.###");

        for (String deviceId : powerLogDeviceIds) {
            ArrayList<Powerlog> powerlogs = theHistorian.getPowerlogs(deviceId, startDate, endDate);
            double total = 0;
            double max = 0;
            Date maxTime = startDate;
            double average = 0;
            XYSeries series = new XYSeries(deviceId);
            XYDataset dataset = new XYSeriesCollection(series);

            for (Powerlog log : powerlogs) {
                total += log.getPower();
                if (log.getPower() > max) {
                    max = log.getPower();
                    maxTime = log.getId().getLogtime();
                }
                series.add(log.getId().getLogtime().getTime(), log.getPower());
            }

            average = total / powerlogs.size();

            document.add(new Paragraph("\nDevice: " + deviceId));
            document.add(new Paragraph("Average Power Usage: " + df.format(average)));
            document.add(new Paragraph("Maximum Power Usage: " + df.format(max) + " at " + maxTime.toString()));
            document.add(new Paragraph("Total Power Usage: " + df.format(total)));
            //Create a custom date axis to display dates on the X axis
            DateAxis dateAxis = new DateAxis("Date");
            //Make the labels vertical
            dateAxis.setVerticalTickLabels(true);

            //Create the power axis
            NumberAxis powerAxis = new NumberAxis("Power");

            //Set both axes to auto range for their values
            powerAxis.setAutoRange(true);
            dateAxis.setAutoRange(true);

            //Create the tooltip generator
            StandardXYToolTipGenerator ttg = new StandardXYToolTipGenerator("{0}: {2}",
                    new SimpleDateFormat("yyyy/MM/dd HH:mm"), NumberFormat.getInstance());

            //Set the renderer
            StandardXYItemRenderer renderer = new StandardXYItemRenderer(StandardXYItemRenderer.LINES, ttg,
                    null);

            //Create the plot
            XYPlot plot = new XYPlot(dataset, dateAxis, powerAxis, renderer);

            //Create the chart
            JFreeChart myChart = new JFreeChart(deviceId, JFreeChart.DEFAULT_TITLE_FONT, plot, true);

            PdfContentByte pcb = writer.getDirectContent();
            PdfTemplate tp = pcb.createTemplate(480, 360);
            Graphics2D g2d = tp.createGraphics(480, 360, new DefaultFontMapper());
            Rectangle2D r2d = new Rectangle2D.Double(0, 0, 480, 360);
            myChart.draw(g2d, r2d);
            g2d.dispose();
            pcb.addTemplate(tp, 0, 0);

            document.newPage();
        }

        document.close();

        JOptionPane.showMessageDialog(null, "Report Generated.");

        Desktop.getDesktop().open(outputFile);
    } catch (FileNotFoundException fnfe) {
        JOptionPane.showMessageDialog(null,
                "Unable To Open File For Writing, Make Sure It Is Not Currently Open");
    } catch (IOException ex) {
        Logger.getLogger(PowerReport.class.getName()).log(Level.SEVERE, null, ex);
    } catch (DocumentException ex) {
        Logger.getLogger(PowerReport.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:net.pickapack.chart.ChartPdfExporter.java

/**
 * Export the specified chart to the specified PDF file.
 *
 * @param chart the chart//w w w.  j a  va 2  s  .c  om
 * @param width the width of the PDF file
 * @param height the height of the PDF file
 * @param fileName the PDF file name
 */
public static void exportPdf(JFreeChart chart, int width, int height, String fileName) {
    try {
        Document document = new Document(new Rectangle(width, height));
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
        document.open();
        PdfContentByte cb = writer.getDirectContent();
        PdfTemplate tp = cb.createTemplate(width, height);
        Graphics2D g2d = tp.createGraphics(width, height, new DefaultFontMapper());
        Rectangle2D r2d = new Rectangle2D.Double(0, 0, width, height);
        chart.draw(g2d, r2d);
        g2d.dispose();
        cb.addTemplate(tp, 0, 0);
        document.close();
    } catch (DocumentException e) {
        throw new RuntimeException(e);
    } catch (FileNotFoundException e) {
        throw new RuntimeException(e);
    }
}

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From source file:org.encog.workbench.util.graph.DocumentPDF.java

public static void savePDF(File filename, JFreeChart chart, int width, int height) {
    try {/*from   w w  w.  j ava  2  s  .  c  o m*/
        // step 1
        Document document = new Document(new Rectangle(width, height));
        // step 2
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename));
        // step 3
        document.open();
        // step 4
        PdfContentByte canvas = writer.getDirectContent();
        Graphics2D g2 = canvas.createGraphics(width, height);
        Rectangle2D area = new Rectangle2D.Double(0, 0, width, height);
        chart.draw(g2, area);
        g2.dispose();
        // step 5
        document.close();
    } catch (DocumentException ex) {
        throw new WorkBenchError(ex);
    } catch (IOException ex) {
        throw new WorkBenchError(ex);
    }

}

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