protected void ManipulatePdf(string dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
Document doc = new Document(pdfDoc, new PageSize(60, 140));
doc.SetMargins(5, 5, 5, 5);
PdfFont boldFont = PdfFontFactory.CreateFont(StandardFonts.HELVETICA_BOLD);
PdfFont regularFont = PdfFontFactory.CreateFont(StandardFonts.HELVETICA);
Paragraph p1 = new Paragraph();
p1.Add(new Text("23").SetFont(boldFont).SetFontSize(12));
p1.Add(new Text("000").SetFont(boldFont).SetFontSize(6));
doc.Add(p1);
Paragraph p2 = new Paragraph("T.T.C.").SetFont(regularFont).SetFontSize(6);
p2.SetTextAlignment(TextAlignment.RIGHT);
doc.Add(p2);
BarcodeEAN barcode = new BarcodeEAN(pdfDoc);
barcode.SetCodeType(BarcodeEAN.EAN8);
barcode.SetCode("12345678");
Rectangle rect = barcode.GetBarcodeSize();
PdfFormXObject formXObject = new PdfFormXObject(new Rectangle(rect.GetWidth(), rect.GetHeight() + 10));
PdfCanvas pdfCanvas = new PdfCanvas(formXObject, pdfDoc);
new Canvas(pdfCanvas, new Rectangle(rect.GetWidth(), rect.GetHeight() + 10))
.ShowTextAligned(new Paragraph("DARK GRAY").SetFont(regularFont).SetFontSize(6), 0,
rect.GetHeight() + 2, TextAlignment.LEFT);
barcode.PlaceBarcode(pdfCanvas, ColorConstants.BLACK, ColorConstants.BLACK);
Image image = new Image(formXObject);
image.SetRotationAngle(Math.PI / 2f);
image.SetAutoScale(true);
doc.Add(image);
Paragraph p3 = new Paragraph("SMALL").SetFont(regularFont).SetFontSize(6);
p3.SetTextAlignment(TextAlignment.CENTER);
doc.Add(p3);
doc.Close();
}