public void absText(
     PdfWriter twriter, String text, float ypostex12, float ypostex22, int fontsize) {
   try {
     PdfContentByte cb = twriter.getDirectContent();
     BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
     cb.saveState();
     cb.beginText();
     cb.moveText(ypostex12, ypostex22);
     cb.setFontAndSize(bf, fontsize);
     cb.setColorFill(new BaseColor(0, 0, 0));
     cb.showText(text);
     cb.endText();
     cb.restoreState();
   } catch (DocumentException e) {
     e.printStackTrace();
   } catch (IOException e) {
     e.printStackTrace();
   }
 }