/*
* $Id: JFreeChartExample.java 3838 2009-04-07 18:34:15Z mstorer $
*
* This code is part of the 'iText Tutorial'.
* You can find the complete tutorial at the following address:
* http://itextdocs.lowagie.com/tutorial/
*
* This code 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.
*
* itext-questions@lists.sourceforge.net
*/
package com.lowagie.examples.directcontent.graphics2D;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.DefaultFontMapper;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
/**
* JFreeChart example.
*/
public class JFreeChartExample {
/**
* Creates some PDFs with JFreeCharts.
* @param args no arguments needed
*/
public static void main(String[] args) {
System.out.println("JFreeChart example");
/** the following line is a workaround for JDK 1.5 (fix by Adriaan Joubert) */
org.jfree.text.TextUtilities.setUseDrawRotatedStringWorkaround(false);
convertToPdf(getBarChart(), 400, 600, "barchart.pdf");
convertToPdf(getPieChart(), 400, 600, "piechart.pdf");
convertToPdf(getXYChart(), 400, 600, "xychart.pdf");
}
/**
* Converts a JFreeChart to PDF syntax.
* @param filename the name of the PDF file
* @param chart the JFreeChart
* @param width the width of the resulting PDF
* @param height the height of the resulting PDF
*/
public static void convertToPdf(JFreeChart chart, int width, int height, String filename) {
// step 1
Document document = new Document(new Rectangle(width, height));
try {
// step 2
PdfWriter writer;
writer = PdfWriter.getInstance(document, new FileOutputStream(filename));
// step 3
document.open();
// step 4
PdfContentByte cb = writer.getDirectContent();
PdfTemplate tp = cb.createTemplate(width, height);
Graphics2D g2d = tp.createGraphics(width, height, new DefaultFontMapper());
Rectangle2D r2d = new Rectangle2D.Double(0, 0, width, height);
chart.draw(g2d, r2d);
g2d.dispose();
tp.sanityCheck();
cb.addTemplate(tp, 0, 0);
cb.sanityCheck();
}
catch(DocumentException de) {
de.printStackTrace();
}
catch (FileNotFoundException e) {
e.printStackTrace();
}
// step 5
document.close();
}
/**
* Gets an example barchart.
* @return a barchart
*/
public static JFreeChart getBarChart() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.setValue(40, "hits/hour", "index.html");
dataset.setValue(20, "hits/hour", "download.html");
dataset.setValue(15, "hits/hour", "faq.html");
dataset.setValue(8, "hits/hour", "links.html");
dataset.setValue(31, "hits/hour", "docs.html");
return ChartFactory.createBarChart("Popularity of iText pages",
"Page", "hits/hour", dataset,
PlotOrientation.VERTICAL, false, true, false);
}
/**
* Gets an example piechart.
* @return a piechart
*/
public static JFreeChart getPieChart() {
DefaultPieDataset dataset = new DefaultPieDataset();
dataset.setValue("iText", 60);
dataset.setValue("cinema.lowagie.com", 10);
dataset.setValue("tutorial", 30);
return ChartFactory.createPieChart(
"Website popularity",
dataset,
true,
true,
false);
}
/**
* Gets an example XY chart
* @return an XY chart
*/
public static JFreeChart getXYChart() {
XYSeries series = new XYSeries("XYGraph");
series.add(1, 5);
series.add(2, 7);
series.add(3, 3);
series.add(4, 5);
series.add(5, 4);
series.add(6, 5);
XYSeriesCollection dataset = new XYSeriesCollection();
dataset.addSeries(series);
return ChartFactory.createXYLineChart(
"XY Chart", "X-axis", "Y-axis", dataset,
PlotOrientation.VERTICAL, true, true, false);
}
}