使用itextsharp将图像右侧对齐

iTextSharp.text.Image image = iTextSharp.text.Image.GetInstance("image.jpg");
image.Alignment = iTextSharp.text.Image.RIGHT_ALIGN;

image.SetAbsolutePosition(x, y); // 设置图像的绝对位置
image.SetRelativePosition(x, y); // 设置图像的相对位置

iTextSharp.text.Document document = new iTextSharp.text.Document();
document.Open();
document.Add(image);
document.Close();

using (FileStream stream = new FileStream("output.pdf", FileMode.Create))
{
    PdfWriter writer = PdfWriter.GetInstance(document, stream);
    writer.CloseStream = false;
    document.Close();
}