How to create Bar Chart In Pdf in java



In this core java tutorial we will learn How to create Bar Chart In Pdf in java Example Using Itext - core java tutorial with program and examples.


Download all jars required to execute program >


Program/Example - How to create BarChart In Pdf in java Example Using Itext - Using iText library - core java tutorial

import java.awt.Graphics2D;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;
import com.itextpdf.awt.DefaultFontMapper;
import com.itextpdf.text.Document;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfTemplate;
import com.itextpdf.text.pdf.PdfWriter;
/**
*
*  How to create BarChart In Pdf in java Example Using Itext -
*  iText library - core java tutorial
*
*/
public class BarChartInPdfExampleUsingItext {
   public static void main(String[] args) throws Exception {
         
          DefaultCategoryDataset defaultCategoryDataset = new DefaultCategoryDataset();
          defaultCategoryDataset.setValue(190, "LaptopUsers", "1995");
          defaultCategoryDataset.setValue(205, "LaptopUsers", "2000");
          defaultCategoryDataset.setValue(300, "LaptopUsers", "2005");
          defaultCategoryDataset.setValue(350, "LaptopUsers", "2010");
          defaultCategoryDataset.setValue(390, "LaptopUsers", "2015");
         
          JFreeChart jFreeChart = ChartFactory.createBarChart(
                       "LaptopUsers BarChart", //title
                       "Year", // categoryAxisLabel
                       "LaptopUsers", //valueAxisLabel
                       defaultCategoryDataset, //dataset
                       PlotOrientation.VERTICAL, //orientation
                       false, false, false); //legend, tooltips and urls
         
          String pdfFilePath = "E:/BAR CHART created in pdf in java using iText.pdf";
          OutputStream fos = new FileOutputStream(new File(pdfFilePath));
          Document document = new Document();
          PdfWriter writer = PdfWriter.getInstance(document, fos);
          document.open();
         
          PdfContentByte pdfContentByte = writer.getDirectContent();
          int width = 400; //width of BarChart
          int height = 300; //height of BarChart
          PdfTemplate pdfTemplate = pdfContentByte.createTemplate(width, height);
         
          //create graphics
          Graphics2D graphics2d = pdfTemplate.createGraphics(width, height,
                       new DefaultFontMapper());
         
          //create rectangle
          java.awt.geom.Rectangle2D rectangle2d = new java.awt.geom.Rectangle2D.Double(
                       0, 0, width, height);
          jFreeChart.draw(graphics2d, rectangle2d);
          graphics2d.dispose();
          pdfContentByte.addTemplate(pdfTemplate, 40, 500); //0, 0 will draw BAR chart on bottom left of page
          document.close();
          System.out.println("PDF created in >> " + pdfFilePath);
   }
}
/*OUTPUT
PDF created in >> E:/BAR CHART created in pdf in java using iText.pdf
*/



PDF formed after executing above java program will look like this (Bar chart is created in pdf in java using itext) >


Summary -

In this core java tutorial we learned How to create Bar Chart In Pdf in java Example Using Itext - core java tutorial with program and examples.




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References >



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