Draw shape with PdfContentByte : PdfContentByte « PDF « Java Tutorial

import java.io.FileOutputStream;

import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;

public class MainClass {
  public static void main(String[] args) throws Exception {
    Document.compress = false;
    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    document.add(new Paragraph("this is a test."));
    PdfContentByte cb = writer.getDirectContent();
    cb.moveTo(30, 70);
    cb.lineTo(49, 70);
    cb.lineTo(49, 80);
    cb.lineTo(30, 80);
    cb.rectangle(30, 700, 460, 100);

29.74.1.Position and resize an image
29.74.2.Literal PdfContentByte
29.74.3.Draw shape with PdfContentByte
29.74.4.Save paint state
29.74.5.restore State
29.74.6.Clip a region