Java tutorial
import java.io.FileOutputStream; import com.lowagie.text.Document; 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.open(); PdfContentByte cb = writer.getDirectContent(); cb.saveState(); for (int i = 25; i > 0; i--) { cb.setLineWidth((float) i / 10); cb.moveTo(40, 806 - (5 * i)); cb.lineTo(320, 806 - (5 * i)); cb.stroke(); } cb.restoreState(); document.close(); } }