public static void ImageWatermark()
{
//Please repace the trial key from trial-license.txt in download package
//This license registration line need to be at very beginning of our other code
LicenseManager.SetKey("trial key");
//Set watermark image filename
string watermarkFile = "watermark.png";
//Load PDF document
PdfWatermarker document = new PdfWatermarker("sample.pdf");
//Customize image location, default is showing at (0, 0)
document.Location = new Point(100, 100);
//Customize image size
//document.ImageSize = new Size(50, 50);
//Watermark the PDF page with image
document.AddImageWatermark(0, watermarkFile);
document.Save("image-watermark.pdf");
}
public static void TextWatermark()
{
//Please repace the trial key from trial-license.txt in download package
//This license registration line need to be at very beginning of our other code
LicenseManager.SetKey("trial key");
//Load PDF document
PdfWatermarker document = new PdfWatermarker("sample.pdf");
//rotation by default is showing from left-bottom to top-right
document.TextRotation = -45;
//Customize text location
document.Location = new Point(50, 100);
//Customize the watermark color, transparent is support
document.TextColor = Color.FromArgb(128, 255, 0, 0);
//Customize the font style
document.TextFont = new Font("Times New Roman", 30f, FontStyle.Regular);
//Watermark the PDF page with text
document.AddTextWatermark(0, "watermark");
document.Save("text-watermark.pdf");
}