IronPdf.PdfDocument.ApplyMultipleStamps pozwala deweloperom szybko stemplować różne typy stempli na jednej lub więcej stronach PDF. Aby dowiedzieć się więcej o tej funkcji i innych możliwościach IronPDF, odwiedź Stronę Produktu IronPDF dla szczegółowych informacji.
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.Code128)
{
Height=75,
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
Dim 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
Dim textStamper As New TextStamper("Hello World! Stamp One Here!") With {
.FontFamily = "Bungee Spice",
.UseGoogleFont = True,
.FontSize = 30
}
' Use ImageStamper to stamp images onto pdf
Dim filepath As New Uri("C:\assets\logo.png") ' absolute path or URL
Dim 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
Dim barcodeStamper As New BarcodeStamper("IronPDF", BarcodeEncoding.Code128) With {
.Height = 75,
.VerticalAlignment = VerticalAlignment.Bottom,
.HorizontalAlignment = HorizontalAlignment.Left
}
Dim stamps As Stamper() = {htmlStamper, textStamper, imageStamper, barcodeStamper}
Dim pdf = PdfDocument.FromFile("Unstamped.pdf")
pdf.ApplyMultipleStamps(stamps)
pdf.SaveAs("Stamped.pdf")
