Package org.jfree.chart.fx.demo

Source Code of org.jfree.chart.fx.demo.PieChartFXDemo1

/* ====================
* PieChartFXDemo1.java
* ====================
*
* Copyright (c) 2014, Object Refinery Limited.
* All rights reserved.
*
* http://www.jfree.org/jfreechart/index.html
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*   - Redistributions of source code must retain the above copyright
*     notice, this list of conditions and the following disclaimer.
*   - Redistributions in binary form must reproduce the above copyright
*     notice, this list of conditions and the following disclaimer in the
*     documentation and/or other materials provided with the distribution.
*   - Neither the name of the Object Refinery Limited nor the
*     names of its contributors may be used to endorse or promote products
*     derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL OBJECT REFINERY LIMITED BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/

package org.jfree.chart.fx.demo;

import static javafx.application.Application.launch;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Point;
import java.awt.RadialGradientPaint;
import java.awt.geom.Point2D;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.stage.Stage;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.fx.ChartViewer;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.title.TextTitle;
import org.jfree.chart.ui.HorizontalAlignment;
import org.jfree.chart.ui.RectangleEdge;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;

/**
* A pie chart demo in JavaFX.
*/
public class PieChartFXDemo1 extends Application {

    /**
     * Creates a sample dataset.
     *
     * Source: http://www.bbc.co.uk/news/business-15489523
     *
     * @return A sample dataset.
     */
    private static PieDataset createDataset() {
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("Samsung", new Double(27.8));
        dataset.setValue("Others", new Double(55.3));
        dataset.setValue("Nokia", new Double(16.8));
        dataset.setValue("Apple", new Double(17.1));
        return dataset;
    }
   
    /**
     * Creates a chart.
     *
     * @param dataset  the dataset.
     *
     * @return A chart.
     */
    private static JFreeChart createChart(PieDataset dataset) {

        JFreeChart chart = ChartFactory.createPieChart(
            "Smart Phones Manufactured / Q3 2011"// chart title
            dataset);

        // set a custom background for the chart
        // FIXME: convert to painter
        //chart.setBackgroundPaint(new GradientPaint(new Point(0, 0),
        //        new Color(20, 20, 20), new Point(400, 200), Color.DARK_GRAY));

        // customise the title position and font
        TextTitle t = chart.getTitle();
        t.setHorizontalAlignment(HorizontalAlignment.LEFT);
        t.setPaint(new Color(240, 240, 240));
        t.setFont(new Font("Arial", Font.BOLD, 26));

        PiePlot plot = (PiePlot) chart.getPlot();
        // plot.setBackgroundPaint(null);  // FIXME : use painter
        plot.setInteriorGap(0.04);
        // plot.setOutlineVisible(false);  // FIXME : use painter

        // use gradients and white borders for the section colours
        plot.setSectionPaint("Others", createGradientPaint(new Color(200, 200, 255), Color.BLUE));
        plot.setSectionPaint("Samsung", createGradientPaint(new Color(255, 200, 200), Color.RED));
        plot.setSectionPaint("Apple", createGradientPaint(new Color(200, 255, 200), Color.GREEN));
        plot.setSectionPaint("Nokia", createGradientPaint(new Color(200, 255, 200), Color.YELLOW));
        plot.setBaseSectionOutlinePaint(Color.WHITE);
        plot.setSectionOutlinesVisible(true);
        plot.setBaseSectionOutlineStroke(new BasicStroke(2.0f));

        // customise the section label appearance
        plot.setLabelFont(new Font("Courier New", Font.BOLD, 20));
        plot.setLabelLinkPaint(Color.WHITE);
        plot.setLabelLinkStroke(new BasicStroke(2.0f));
        plot.setLabelOutlineStroke(null);
        plot.setLabelPaint(Color.WHITE);
        plot.setLabelBackgroundPaint(null);
       
        // add a subtitle giving the data source
        TextTitle source = new TextTitle("Source: http://www.bbc.co.uk/news/business-15489523",
                new Font("Courier New", Font.PLAIN, 12));
        source.setPaint(Color.WHITE);
        source.setPosition(RectangleEdge.BOTTOM);
        source.setHorizontalAlignment(HorizontalAlignment.RIGHT);
        chart.addSubtitle(source);
        return chart;

    }

    /**
     * A utility method for creating gradient paints.
     *
     * @param c1  color 1.
     * @param c2  color 2.
     *
     * @return A radial gradient paint.
     */
    private static RadialGradientPaint createGradientPaint(Color c1, Color c2) {
        Point2D center = new Point2D.Float(0, 0);
        float radius = 200;
        float[] dist = {0.0f, 1.0f};
        return new RadialGradientPaint(center, radius, dist,
                new Color[] {c1, c2});
    }

    @Override
    public void start(Stage stage) throws Exception {
        PieDataset dataset = createDataset();
        JFreeChart chart = createChart(dataset);
        ChartViewer viewer = new ChartViewer(chart)
        stage.setScene(new Scene(viewer));
        stage.setTitle("JFreeChart: PieChartFXDemo1.java");
        stage.setWidth(700);
        stage.setHeight(390);
        stage.show();
    }
   
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }
 
}
TOP

Related Classes of org.jfree.chart.fx.demo.PieChartFXDemo1

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.