Rotation

Stamp.Rotation property

获取或设置戳记的旋转度数。

public float Rotation { get; set; }

例子

PdfFileStamp fileStamp = new PdfFileStamp("input.pdf", "output.pdf");
Stamp stamp = new Stamp();
stamp.BindLogo(new FormattedText("STAMP"));
stamp.Rotation = 90;
fileStamp.AddStamp(stamp);
fileStamp.Close();

也可以看看