/* ===================================================
* JFreeSVG : an SVG library for the Java(tm) platform
* ===================================================
*
* (C)opyright 2013-2016, 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.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.RadialGradientPaint;
import java.awt.Rectangle;
import java.awt.geom.Point2D;
import java.io.File;
import java.io.IOException;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.StandardChartTheme;
import org.jfree.chart.drawable.GradientPainter;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.title.TextTitle;
import org.jfree.chart.ui.HorizontalAlignment;
import org.jfree.chart.ui.RectangleAnchor;
import org.jfree.chart.ui.RectangleEdge;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.graphics2d.svg.SVGGraphics2D;
import org.jfree.graphics2d.svg.SVGUtils;
/**
* A demo/test for a pie chart.
*/
public class SVGPieChartDemo1 {
static {
// set a theme using the new shadow generator feature available in
// 1.0.14 - for backwards compatibility it is not enabled by default
ChartFactory.setChartTheme(new StandardChartTheme("JFree/Shadow",
true));
}
/**
* 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);
chart.removeLegend();
// set a custom background for the chart
chart.setBackgroundPainter(new GradientPainter(new Color(20, 20, 20),
RectangleAnchor.TOP_LEFT, Color.DARK_GRAY,
RectangleAnchor.BOTTOM_RIGHT));
// 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.setBackgroundPainter(null);
plot.setInteriorGap(0.04);
plot.setBorderPainter(null);
// 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});
}
/**
* Starting point for the demo.
*
* @param args ignored.
*
* @throws IOException
*/
public static void main(String[] args) throws IOException {
JFreeChart chart = createChart(createDataset());
SVGGraphics2D g2 = new SVGGraphics2D(600, 400);
g2.setRenderingHint(JFreeChart.KEY_SUPPRESS_SHADOW_GENERATION, true);
Rectangle r = new Rectangle(0, 0, 600, 400);
chart.draw(g2, r);
File f = new File("SVGPieChartDemo1.svg");
SVGUtils.writeToSVG(f, g2.getSVGElement());
}
}