using IronPdf;
using IronPdf.Editing;
using System;

// Use HtmlStamper to stamp Html onto pdf
HtmlStamper htmlStamper = new HtmlStamper("<h1>Html stamp</h1>")
{
    VerticalOffset = new Length(-200, MeasurementUnit.Pixel),
    HorizontalOffset = new Length(-200, MeasurementUnit.Pixel),
};

// Use TextStamper to stamp text with custom font onto pdf
TextStamper textStamper = new TextStamper("Hello World! Stamp One Here!")
{
    FontFamily = "Bungee Spice",
    UseGoogleFont = true,
    FontSize = 30,
};

// Use ImageStamper to stamp images onto pdf
Uri filepath = new Uri(@"C:\assets\logo.png"); // absolute path or URL
ImageStamper imageStamper = new ImageStamper(filepath)
{
    VerticalAlignment = VerticalAlignment.Top,
    MinWidth = new Length(20),
    MinHeight = new Length(20),
};

// Use BarcodeStamper to stamp QR code/Barcode onto pdf
BarcodeStamper barcodeStamper = new BarcodeStamper("IronPDF", BarcodeEncoding.Code39)
{
    MaxHeight = new Length(5),
    VerticalAlignment = VerticalAlignment.Bottom,
    HorizontalAlignment = HorizontalAlignment.Left,
};

Stamper[] stamps = { htmlStamper, textStamper, imageStamper, barcodeStamper };

var pdf = PdfDocument.FromFile("Unstamped.pdf");
pdf.ApplyMultipleStamps(stamps);
pdf.SaveAs("Stamped.pdf");

Imports IronPdf
Imports IronPdf.Editing
Imports System

' Use HtmlStamper to stamp Html onto pdf
Private htmlStamper As New HtmlStamper("<h1>Html stamp</h1>") With {
	.VerticalOffset = New Length(-200, MeasurementUnit.Pixel),
	.HorizontalOffset = New Length(-200, MeasurementUnit.Pixel)
}

' Use TextStamper to stamp text with custom font onto pdf
Private textStamper As New TextStamper("Hello World! Stamp One Here!") With {
	.FontFamily = "Bungee Spice",
	.UseGoogleFont = True,
	.FontSize = 30
}

' Use ImageStamper to stamp images onto pdf
Private filepath As New Uri("C:\assets\logo.png") ' absolute path or URL
Private imageStamper As New ImageStamper(filepath) With {
	.VerticalAlignment = VerticalAlignment.Top,
	.MinWidth = New Length(20),
	.MinHeight = New Length(20)
}

' Use BarcodeStamper to stamp QR code/Barcode onto pdf
Private barcodeStamper As New BarcodeStamper("IronPDF", BarcodeEncoding.Code39) With {
	.MaxHeight = New Length(5),
	.VerticalAlignment = VerticalAlignment.Bottom,
	.HorizontalAlignment = HorizontalAlignment.Left
}

Private stamps() As Stamper = { htmlStamper, textStamper, imageStamper, barcodeStamper }

Private pdf = PdfDocument.FromFile("Unstamped.pdf")
pdf.ApplyMultipleStamps(stamps)
pdf.SaveAs("Stamped.pdf")