Example usage for org.jfree.chart.labels StandardPieItemLabelGenerator StandardPieItemLabelGenerator

Introduction

In this page you can find the example usage for org.jfree.chart.labels StandardPieItemLabelGenerator StandardPieItemLabelGenerator.

Prototype

public StandardPieItemLabelGenerator()

Source Link

Document

Creates an item label generator using default number formatters.

Usage

From source file:org.jfree.chart.demo.ImageMapDemo2.java

/**
 * The starting point for the demo.//w  w w.j a va 2  s  .c om
 *
 * @param args  ignored.
 */
public static void main(final String[] args) {

    // create a chart
    final DefaultPieDataset data = new DefaultPieDataset();
    data.setValue("One", new Double(43.2));
    data.setValue("Two", new Double(10.0));
    data.setValue("Three", new Double(27.5));
    data.setValue("Four", new Double(17.5));
    data.setValue("Five", new Double(11.0));
    data.setValue("Six", new Double(19.4));

    JFreeChart chart = null;
    final boolean drilldown = true;

    // create the chart...
    if (drilldown) {
        final PiePlot plot = new PiePlot(data);
        //          plot.setInsets(new Insets(0, 5, 5, 5));
        plot.setToolTipGenerator(new StandardPieItemLabelGenerator());
        plot.setURLGenerator(new StandardPieURLGenerator("pie_chart_detail.jsp"));
        chart = new JFreeChart("Pie Chart Demo 1", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
    } else {
        chart = ChartFactory.createPieChart("Pie Chart Demo 1", // chart title
                data, // data
                true, // include legend
                true, false);
    }
    chart.setBackgroundPaint(java.awt.Color.white);

    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.com/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************

    // save it to an image
    try {
        final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
        final File file1 = new File("piechart100.png");
        ChartUtilities.saveChartAsPNG(file1, chart, 600, 400, info);

        // write an HTML page incorporating the image with an image map
        final File file2 = new File("piechart100.html");
        final OutputStream out = new BufferedOutputStream(new FileOutputStream(file2));
        final PrintWriter writer = new PrintWriter(out);
        writer.println("<HTML>");
        writer.println("<HEAD><TITLE>JFreeChart Image Map Demo 2</TITLE></HEAD>");
        writer.println("<BODY>");
        //            ChartUtilities.writeImageMap(writer, "chart", info);
        writer.println("<IMG SRC=\"piechart100.png\" "
                + "WIDTH=\"600\" HEIGHT=\"400\" BORDER=\"0\" USEMAP=\"#chart\">");
        writer.println("</BODY>");
        writer.println("</HTML>");
        writer.close();

    } catch (IOException e) {
        System.out.println(e.toString());
    }

}

From source file:com.estate.pdf.Page.java

protected void drawTaxPie(Rectangle rct, double totalValue, double tax, String taxLabel, String netLabel) {
    double taxPercent = (tax / totalValue) * 100;
    double netValuePercent = 100 - taxPercent;

    DefaultPieDataset dataset = new DefaultPieDataset();
    dataset.setValue(taxLabel, taxPercent);
    dataset.setValue(netLabel, netValuePercent);

    PiePlot3D plot = new PiePlot3D(dataset);
    plot.setLabelGenerator(new StandardPieItemLabelGenerator());
    plot.setInsets(new Insets(0, 5, 5, 5));
    plot.setToolTipGenerator(new CustomeGenerators.CustomToolTipGenerator());
    plot.setLabelGenerator(new CustomeGenerators.CustomLabelGenerator());
    plot.setSectionPaint(0, new Color(pgRed));
    plot.setSectionPaint(1, new Color(pgGreen));
    plot.setForegroundAlpha(.6f);/*  w  ww.  ja  v  a 2 s.  co  m*/
    plot.setOutlinePaint(Color.white);
    plot.setBackgroundPaint(Color.white);

    JFreeChart chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, true);

    chart.setBackgroundPaint(Color.white);
    chart.setAntiAlias(true);

    Rectangle page = rct;

    try {
        Image img = Image.getInstance(chart.createBufferedImage((int) page.getWidth(), (int) page.getHeight()),
                null);
        drawDiagram(img, rct, 0, 72);
    } catch (Exception e) {
        System.out.println(e.getMessage());
    }

}