import java.awt.Color;
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.PatternColor;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfPatternPainter;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
PdfContentByte cb = writer.getDirectContent();
PdfPatternPainter circle = cb.createPattern(15, 15, 10, 20, Color.blue);
circle.circle(7.5f, 7.5f, 2.5f);
circle.fill();
PatternColor circles = new PatternColor(circle);
cb.setColorFill(circles);
cb.rectangle(252, 716, 72, 72);
cb.fillStroke();
document.close();
}
}