Add Barcode to PDF in Java

readme.md

Add Barcode to PDF in Java

Learn how to add a barcode to a PDF in Java with Aspose.PDF for Java. This guide walks you through the required environment, Maven setup, code integration, and provides a working example, enabling you to embed Code128 barcodes quickly and efficiently.

Read the full guide here: https://blog.aspose.com/pdf/add-barcode-to-pdf-in-java/

add_barcode_to_pdf.java

import com.aspose.pdf.Document;
import com.aspose.pdf.Page;
import com.aspose.pdf.Barcode;
import com.aspose.pdf.BarcodeType;
import com.aspose.pdf.PlacementType;

public class AddBarcodeToPdf {
    public static void main(String[] args) {
        try {
            // Load the existing PDF document
            Document pdfDocument = new Document("input.pdf");

            // Get the page where the barcode will be placed (first page)
            Page page = pdfDocument.getPages().get_Item(1);

            // Create a Code128 barcode with the desired text
            Barcode barcode = new Barcode(page, BarcodeType.Code128, "1234567890");

            // Configure barcode appearance
            barcode.setXDimension(0.8f);          // Width of the smallest bar
            barcode.setBarHeight(20);            // Height of the barcode
            barcode.setPlacement(PlacementType.Floating);
            barcode.setLeft(100);                // X position on the page
            barcode.setTop(500);                 // Y position on the page

            // Add the barcode to the page's content
            page.getParagraphs().add(barcode);

            // Save the updated PDF document
            pdfDocument.save("output.pdf");

            // Clean up resources
            pdfDocument.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}