Class BarcodeStamper

Stamps barcodes and QR codes onto PDF pages for tracking, URLs, and data encoding. Supports Code128, Code39, and QR Code formats with customizable dimensions.

Example - Add barcodes to PDFs:

var pdf = PdfDocument.FromFile("invoice.pdf");

// QR code for payment URL (top-right corner):
var paymentQR = new BarcodeStamper(
"https://pay.example.com/inv-12345",
BarcodeEncoding.QRCode)
{
Width = 100,
Height = 100,
HorizontalAlignment = HorizontalAlignment.Right,
VerticalAlignment = VerticalAlignment.Top,
VerticalOffset = new Length(20, MeasurementUnit.Pixel)
};
pdf.ApplyStamp(paymentQR);


// Product barcode (bottom of page):
var productCode = new BarcodeStamper(
"SKU-2024-0012345",
BarcodeEncoding.Code128)
{
Width = 200,
Height = 50,
VerticalAlignment = VerticalAlignment.Bottom
};
pdf.ApplyStamp(productCode);


pdf.SaveAs("invoice_with_barcodes.pdf");

Inheritance
System.Object
Stamper
BarcodeStamper
Inherited Members
Namespace: IronPdf.Editing
Assembly: IronPdf.dll
Syntax
public class BarcodeStamper : Stamper
Remarks

Supported Formats:

Related Resources:

Constructors

BarcodeStamper(String, BarcodeEncoding)

Initializes a new instance of the BarcodeStamper class.

Width and Height are 250px each by default unless explicitly set.

Declaration
public BarcodeStamper(string Value, BarcodeEncoding BarcodeType)
Parameters
Type Name Description
System.String Value

The value of the barcode as a string.
BarcodeEncoding BarcodeType

Barcode encoding type to use for this Stamper. Supported encoding types include: QRCode, Code128, and Code39. BarcodeEncoding.

BarcodeStamper(String, BarcodeEncoding, Int32, Int32)

Initializes a new instance of the BarcodeStamper class.

Declaration
public BarcodeStamper(string Value, BarcodeEncoding BarcodeType, int Width, int Height)
Parameters
Type Name Description
System.String Value

The value of the barcode as a string.
BarcodeEncoding BarcodeType

Barcode encoding type to use for this Stamper. Supported encoding types include: QRCode, Code128, and Code39. BarcodeEncoding.
System.Int32 Width

The width of the rendered barcode in pixels.
System.Int32 Height

The height of the rendered barcode in pixels.

Properties

BarcodeType

Barcode encoding type to use for this Stamper. Supported encoding types include: QRCode, Code128, and Code39. Please see: BarcodeEncoding.

Default is QRCode

Declaration
public BarcodeEncoding BarcodeType { get; set; }
Property Value
Type Description
BarcodeEncoding

Height

The height of the rendered barcode in pixels. Default is 250px

Declaration
public int Height { get; set; }
Property Value
Type Description
System.Int32

Value

The value of the barcode as a string.

Declaration
public string Value { get; set; }
Property Value
Type Description
System.String

Width

The width of the rendered barcode in pixels. Default is 250px

Declaration
public int Width { get; set; }
Property Value
Type Description
System.Int32

Inherited members

AntiClockwiseRotateAlignment(HorizontalAlignment, VerticalAlignment, PdfPageRotation)
Html
Opacity
Rotation
HorizontalAlignment
VerticalAlignment
HorizontalOffset
VerticalOffset
MaxWidth
MaxHeight
MinWidth
MinHeight
Hyperlink
Scale
IsStampBehindContent
WaitFor
Timeout
IsStampAnnotation

See Also