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:de.xirp.chart.ChartUtil.java

/**
 * Exports the given chart as PDF in the specified size. The
 * export is written to the given path.// w ww  .ja v a  2 s  . c o  m
 * 
 * @param chart
 *            The chart to export.
 * @param width
 *            The desired width of the PDF.
 * @param height
 *            The desired height of the PDF.
 * @param path
 *            The path to write the PDF to.
 * @see org.jfree.chart.JFreeChart
 */
private static void exportPDF(JFreeChart chart, int width, int height, String path) {
    Document document = new Document(new Rectangle(width, height));
    try {
        PdfWriter writer;
        writer = PdfWriter.getInstance(document, new FileOutputStream(path));
        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);
    } catch (Exception e) {
        logClass.error("Error: " + e.getMessage() //$NON-NLS-1$
                + Constants.LINE_SEPARATOR, e);
    }
    document.close();
}

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From source file:ec.util.chart.swing.Charts.java

private static String generateSVG(JFreeChart chart, int width, int height) throws IOException {
    try {//from ww  w  .j  a  v a2s . co  m
        Class<?> svgGraphics2d = Class.forName("org.jfree.graphics2d.svg.SVGGraphics2D");
        Graphics2D g2 = (Graphics2D) svgGraphics2d.getConstructor(int.class, int.class).newInstance(width,
                height);
        // we suppress shadow generation, because SVG is a vector format and
        // the shadow effect is applied via bitmap effects...
        g2.setRenderingHint(JFreeChart.KEY_SUPPRESS_SHADOW_GENERATION, true);
        chart.draw(g2, new Rectangle2D.Double(0, 0, width, height));
        return (String) g2.getClass().getMethod("getSVGElement").invoke(g2);
    } catch (ClassNotFoundException | NoSuchMethodException | SecurityException | InstantiationException
            | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
        throw new IOException("Cannot generate SVG", ex);
    }
}

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From source file:org.objectweb.proactive.extensions.timitspmd.util.charts.Utilities.java

/**
 * Exports a JFreeChart to a SVG file.//from   www.  ja va2 s  .  c o m
 *
 * @param chart
 *            JFreeChart to export
 * @param bounds
 *            the dimensions of the viewport
 * @param svgFile
 *            the output file.
 * @throws IOException
 *             if writing the svgFile fails.
 */
public static void saveChartAsSVG(JFreeChart chart, Rectangle bounds, File svgFile) throws IOException {
    try {
        Class<?> GDI = Class.forName("org.apache.batik.dom.GenericDOMImplementation");

        // Get a DOMImplementation and create an XML document
        Method getDOMImplementation = GDI.getMethod("getDOMImplementation", new Class<?>[0]);
        DOMImplementation domImpl = (DOMImplementation) getDOMImplementation.invoke(null, new Object[0]);

        org.w3c.dom.Document document = domImpl.createDocument(null, "svg", null);

        // Create an instance of the SVG Generator
        Class<?> SG2D = Class.forName("org.apache.batik.svggen.SVGGraphics2D");
        Method streamMethod = SG2D.getMethod("stream", new Class<?>[] { Writer.class, boolean.class });
        Constructor<?> SG2DConstr = SG2D.getConstructor(new Class<?>[] { org.w3c.dom.Document.class });
        Object svgGenerator = SG2DConstr.newInstance(document);

        // draw the chart in the SVG generator
        chart.draw((Graphics2D) svgGenerator, bounds);

        // Write svg file
        OutputStream outputStream = new FileOutputStream(svgFile);
        Writer out = new OutputStreamWriter(outputStream, "UTF-8");
        streamMethod.invoke(svgGenerator, new Object[] { out, true /* use css */ });
        outputStream.flush();
        outputStream.close();
        out.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:by.bsuir.group172301.matskevich.tour.util.PDFCreator.java

public static void writeChartToPDF(JFreeChart chart, int width, int height, String fileName, int col1, int col2,
        double perc) {
    PdfWriter writer = null;//  w w w  .  jav a  2 s  .c o  m

    Document document = new Document();

    try {
        writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
        document.open();
        Paragraph paragraph = new Paragraph();
        // We add one empty line

        paragraph = new Paragraph("Results:");
        paragraph.setAlignment(Element.ALIGN_CENTER);
        document.add(paragraph);
        paragraph = new Paragraph("Test before: " + col1);
        document.add(paragraph);
        paragraph = new Paragraph("Test after: " + col2);
        document.add(paragraph);
        paragraph = new Paragraph("Percentage: " + perc);
        document.add(paragraph);
        PdfContentByte contentByte = writer.getDirectContent();
        PdfTemplate template = contentByte.createTemplate(width, height);
        Graphics2D graphics2d = template.createGraphics(width, height, new DefaultFontMapper());
        Rectangle2D rectangle2d = new Rectangle2D.Double(0, 0, width, height);

        chart.draw(graphics2d, rectangle2d);

        graphics2d.dispose();
        contentByte.addTemplate(template, 150, 250);

    } catch (Exception e) {
        e.printStackTrace();
    }
    document.close();
}

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From source file:org.geotools.renderer.chart.ChartGraphicFactory.java

BufferedImage drawChart(JFreeChart chart, int w, int h) {
    BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_4BYTE_ABGR);
    Graphics2D gr = bi.createGraphics();
    try {//from w  w  w .jav  a2  s. c  o m
        chart.draw(gr, new Rectangle2D.Double(0, 0, w, h));
    } finally {
        gr.dispose();
    }

    return bi;
}

---

From source file:com.athena.chameleon.engine.utils.PDFWriterUtil.java

/**
 * /*from ww w  . j a v a 2  s  .c  o m*/
 * chart 
 *
 * @param section chart   section ?
 * @param e chart   element
 * @throws Exception
 */
public static void setChart(PdfWriter writer, Section section, Element e) throws Exception {

    DefaultCategoryDataset dataset = new DefaultCategoryDataset();

    for (Element e1 : e.getChildren()) {
        if (!e1.getChild("column").getText().equals(FileType.DIRECTORY.toString())
                && !e1.getChild("column").getText().equals(FileType.SUM.toString())) {
            dataset.setValue(Integer.parseInt(e1.getChild("value").getText()), e.getAttributeValue("title"),
                    e1.getChild("column").getText());
        }
    }

    JFreeChart chart = ChartFactory.createBarChart3D(e.getAttributeValue("title"), "", "", dataset,
            PlotOrientation.VERTICAL, false, true, false);

    CategoryPlot plot = chart.getCategoryPlot();
    java.awt.Font labelFont = chart.getCategoryPlot().getDomainAxis().getLabelFont();
    plot.getDomainAxis().setLabelFont(new java.awt.Font(labelFont.getName(), Font.NORMAL, 6));
    plot.getDomainAxis().setTickLabelFont(new java.awt.Font(labelFont.getName(), Font.NORMAL, 6));

    PdfContentByte cb = writer.getDirectContent();
    PdfTemplate bar = cb.createTemplate(500, 150);
    Graphics2D g2d2 = new PdfGraphics2D(bar, 500, 150);
    Rectangle2D r2d2 = new Rectangle2D.Double(0, 0, 500, 150);
    chart.draw(g2d2, r2d2);
    g2d2.dispose();

    Image image = Image.getInstance(bar);
    image.setAlignment(com.itextpdf.text.Element.ALIGN_CENTER);
    section.add(image);
}

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From source file:canreg.client.analysis.Tools.java

public static void exportChartAsPDF(JFreeChart chart, Rectangle bounds, File file)
        throws IOException, DocumentException {

    System.out.println(file.getPath());

    PdfWriter writer = null;//from   w  w  w  .j  ava  2 s  . c om
    com.itextpdf.text.Document document = new com.itextpdf.text.Document();

    document.addCreator("CanReg5");
    document.addCreationDate();

    writer = PdfWriter.getInstance(document, new FileOutputStream(file));
    document.open();
    PdfContentByte contentByte = writer.getDirectContent();
    PdfTemplate template = contentByte.createTemplate(bounds.width, bounds.height);
    Graphics2D graphics2d = template.createGraphics(bounds.width, bounds.height, new DefaultFontMapper());
    Rectangle2D rectangle2d = new Rectangle2D.Double(0, 0, bounds.width, bounds.height);

    chart.draw(graphics2d, rectangle2d);

    graphics2d.dispose();
    contentByte.addTemplate(template, 0, 0);

    document.close();
}

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From source file:com.anevis.jfreechartsamplespring.chart.ChartServiceImpl.java

private byte[] writeChartsToDocument(JFreeChart... charts) {
    try {/* ww  w .jav a2s.com*/
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        float width = PageSize.A4.getWidth();
        float height = PageSize.A4.getHeight() / 2;
        int index = 0;

        Document document = new Document();
        PdfWriter writer = PdfWriter.getInstance(document, baos);
        document.open();
        PdfContentByte contentByte = writer.getDirectContent();

        for (JFreeChart chart : charts) {

            PdfTemplate template = contentByte.createTemplate(width, height);
            Graphics2D graphics2D = template.createGraphics(width, height);
            Rectangle2D rectangle2D = new Rectangle2D.Double(0, 0, width, height);

            chart.draw(graphics2D, rectangle2D);

            graphics2D.dispose();
            contentByte.addTemplate(template, 0, height - (height * index));
            index++;
        }

        writer.flush();
        document.close();

        return baos.toByteArray();
    } catch (DocumentException ex) {
        Logger.getLogger(ChartService.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}

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From source file:io.github.mzmine.util.jfreechart.JFreeChartUtils.java

public static void exportToImageFile(ChartViewer chartNode, File file, ImgFileType fileType) {

    final JFreeChart chart = chartNode.getChart();
    final int width = (int) chartNode.getWidth();
    final int height = (int) chartNode.getHeight();

    try {/*from w  ww  . j  a  va  2 s  .c  o m*/

        switch (fileType) {

        case JPG:
            ExportUtils.writeAsJPEG(chart, width, height, file);
            break;

        case PNG:
            ExportUtils.writeAsPNG(chart, width, height, file);
            break;

        case SVG:
            setDrawSeriesLineAsPath(chart, true);
            ExportUtils.writeAsSVG(chart, width, height, file);
            setDrawSeriesLineAsPath(chart, false);
            break;

        case PDF:
            setDrawSeriesLineAsPath(chart, true);
            ExportUtils.writeAsPDF(chart, width, height, file);
            setDrawSeriesLineAsPath(chart, false);
            break;

        case EMF:
            FileOutputStream out2 = new FileOutputStream(file);
            setDrawSeriesLineAsPath(chart, true);
            EMFGraphics2D g2d2 = new EMFGraphics2D(out2, new Dimension(width, height));
            g2d2.startExport();
            chart.draw(g2d2, new Rectangle(width, height));
            g2d2.endExport();
            setDrawSeriesLineAsPath(chart, false);
            break;

        case EPS:
            FileOutputStream out = new FileOutputStream(file);
            setDrawSeriesLineAsPath(chart, true);
            EPSDocumentGraphics2D g2d = new EPSDocumentGraphics2D(false);
            g2d.setGraphicContext(new GraphicContext());
            g2d.setupDocument(out, width, height);
            chart.draw(g2d, new Rectangle(width, height));
            g2d.finish();
            setDrawSeriesLineAsPath(chart, false);
            out.close();
            break;

        }

    } catch (IOException e) {
        MZmineGUI.displayMessage("Unable to save image: " + e.getMessage());
        e.printStackTrace();
    }
}

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From source file:delphsim.model.Resultado.java

/**
 * Mtodo esttico que exporta una grfica <CODE>JFreeChart</CODE> al
 * formato de imagen vectorial SVG./*  w ww.j  a  va2 s  .  c om*/
 * @param destino El fichero de destino.
 * @param chart La grfica a exportar.
 * @param anchura Anchura de la imagen final.
 * @param altura Altura de la imagen final.
 * @throws java.io.IOException Si hubiera algn problema al crear el archivo en disco.
 */
public static void exportarComoSVG(File destino, JFreeChart chart, int anchura, int altura) throws IOException {
    // Para SVG utilizamos la librera Batik
    // Obtener un DOMImplementation
    DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
    // Crear una instancia de org.w3c.dom.Document
    String svgNS = "http://www.w3.org/2000/svg";
    Document document = domImpl.createDocument(svgNS, "svg", null);
    // Crear una instancia del Generador de SVGs
    SVGGraphics2D svgGenerator = new SVGGraphics2D(document);
    // Dibujar la grfica en el Generador de SVGs
    chart.draw(svgGenerator, new Rectangle(anchura, altura));
    // Escribir el archivo SVG
    OutputStream outputStream = new FileOutputStream(destino);
    Writer out = new OutputStreamWriter(outputStream, "UTF-8");
    svgGenerator.stream(out, true /* utilizar CSS */);
    outputStream.flush();
    outputStream.close();
}

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