Java tutorial
import java.io.FileOutputStream; import com.lowagie.text.Chunk; import com.lowagie.text.Document; import com.lowagie.text.Image; import com.lowagie.text.PageSize; import com.lowagie.text.Phrase; import com.lowagie.text.pdf.Barcode39; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfWriter; public class Barcodes39Ext { public static void main(String[] args) { Document document = new Document(PageSize.A4, 50, 50, 50, 50); try { PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("Barcodes39Ext.pdf")); document.open(); PdfContentByte cb = writer.getDirectContent(); Barcode39 code39 = new Barcode39(); code39.setCode("www.java2s.com"); code39.setStartStopText(false); code39.setExtended(true); Image image39 = code39.createImageWithBarcode(cb, null, null); document.add(new Phrase(new Chunk(image39, 0, 0))); } catch (Exception de) { de.printStackTrace(); } document.close(); } }