org.jfree.graphics2d.demo.CanvasPieChartDemo1.java Source code

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Here is the source code for org.jfree.graphics2d.demo.CanvasPieChartDemo1.java

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/* ===================================================
 * JFreeSVG : an SVG library for the Java(tm) platform
 * ===================================================
 * 
 * (C)opyright 2013, 2014, by Object Refinery Limited.  All rights reserved.
 *
 * Project Info:  http://www.jfree.org/jfreesvg/index.html
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
 * Other names may be trademarks of their respective owners.]
 * 
 * If you do not wish to be bound by the terms of the AGPL, an alternative
 * commercial license can be purchased.  For details, please see visit the
 * JFreeSVG home page:
 * 
 * http://www.jfree.org/jfreesvg
 */

package org.jfree.graphics2d.demo;

import java.awt.Rectangle;
import java.io.File;
import java.io.IOException;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.graphics2d.canvas.CanvasGraphics2D;
import org.jfree.graphics2d.canvas.CanvasUtils;

/**
 * A demo/test for a pie chart.
 */
public class CanvasPieChartDemo1 {

    /**
     * Creates a sample dataset.
     *
     * @return A sample dataset.
     */
    private static PieDataset createDataset() {
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("One", Double.valueOf(43.2));
        dataset.setValue("Two", Double.valueOf(10.0));
        dataset.setValue("Three", Double.valueOf(27.5));
        dataset.setValue("Four", Double.valueOf(17.5));
        dataset.setValue("Five", Double.valueOf(11.0));
        dataset.setValue("Six", Double.valueOf(19.4));
        return dataset;
    }

    /**
     * Creates a chart.
     *
     * @param dataset  the dataset.
     *
     * @return A chart.
     */
    private static JFreeChart createChart(PieDataset dataset) {
        JFreeChart chart = ChartFactory.createPieChart("Pie Chart Demo 1", dataset);
        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setSectionOutlinesVisible(false);
        plot.setNoDataMessage("No data available");
        return chart;
    }

    /**
     * Starting point for the demo.
     * 
     * @param args  ignored.
     * 
     * @throws IOException 
     */
    public static void main(String[] args) throws IOException {
        JFreeChart chart = createChart(createDataset());
        CanvasGraphics2D g2 = new CanvasGraphics2D("id");
        int width = 600;
        int height = 400;
        chart.draw(g2, new Rectangle(0, 0, width, height));
        File f = new File("CanvasPieChartDemo1.html");
        CanvasUtils.writeToHTML(f, "CanvasPieChartDemo1", g2.getCanvasID(), width, height, g2.getScript());
    }
}