Java tutorial
/* ===================================================================== * OrsonPDF : a fast, light-weight PDF library for the Java(tm) platform * ===================================================================== * * (C)opyright 2013-2015, by Object Refinery Limited. All rights reserved. * * Project Info: http://www.object-refinery.com/orsonpdf/index.html * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU 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 General Public License for more details. * * You should have received a copy of the GNU 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 GPL, an alternative * commercial license can be purchased. For details, please see visit the * Orson PDF home page: * * http://www.object-refinery.com/orsonpdf/index.html * */ package com.orsonpdf.demo; 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.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.plot.PiePlot; import org.jfree.chart.title.TextTitle; import org.jfree.data.general.DefaultPieDataset; import org.jfree.data.general.PieDataset; import org.jfree.ui.HorizontalAlignment; import org.jfree.ui.RectangleEdge; import com.orsonpdf.PDFDocument; import com.orsonpdf.PDFGraphics2D; import com.orsonpdf.Page; /** * A demo/test for a pie chart. */ public class PDFPieChartDemo1 { /** * 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", dataset, false, false, false); 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); plot.setInteriorGap(0.04); plot.setOutlineVisible(false); plot.setShadowPaint(null); plot.setLabelShadowPaint(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); BasicStroke bs = new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_MITER, 1.0f); 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()); PDFDocument pdfDoc = new PDFDocument(); pdfDoc.setTitle("PDFPieChartDemo1"); pdfDoc.setAuthor("Object Refinery Limited"); Page page = pdfDoc.createPage(new Rectangle(612, 468)); PDFGraphics2D g2 = page.getGraphics2D(); g2.setRenderingHint(JFreeChart.KEY_SUPPRESS_SHADOW_GENERATION, true); chart.draw(g2, new Rectangle(0, 0, 612, 468)); File f = new File("PDFPieChartDemo1.pdf"); pdfDoc.writeToFile(f); } }