About GroupDocs.Signature for Java QR Code signatures API

GroupDocs.Signature for Java is a mature API for creating and generate QR Code signatures for the documents. Users can generate QR Code signatures providing text to download it or share over the social media as image. The signed document can be scanned with API or simply over the mobile camera! Sign electronically your business contracts and official documents with adding QR Code signature and manipulate it. Any QR Code signature will contains unique custom information to identifies the signer or authorizes the document. Furthermore, the QR Code content can be encrypted and decrypted with personal keys programmatically. That opens many abilities to share sensitive data inside the public documents. After the signing user can update, verify, delete, preview or search for the QR Codes within PDFs, MS Word documents, MS Excel workbooks, MS PowerPoint presentations, Adobe Photoshop files and various image formats. QR Codes could be additionally customized.

Steps to sign Pdf with Qrcode in Java

GroupDocs.Signature for Java provides ability to sign Pdf documents with Qrcode signatures quickly and easily.

Create an instance of Signature class providing Pdf file supposed to signing as path or memory stream
Instantiate SignOptions class and set all demanded data.
Invoke the Signature.Sign() method passing output Pdf file or memory stream

System Requirements

GroupDocs.Signature for Java are supported on all major platforms and operating systems. Before executing the code below, please make sure that you have the following prerequisites installed on your system.

Operating systems: Microsoft Windows, Linux, MacOS
Development environments: NetBeans, Intellij IDEA, Eclipse, etc.
Java runtime: J2SE 6.0 and above
Get the latest GroupDocs.Signature for Java from Maven

        
// Set up input Pdf file
String filePath = "input.pdf";
// Set up output file
String outputFilePath = "output.pdf";

// Instantiate Signature for input file
Signature signature = new Signature(filePath);

// create barcode option with predefined barcode text
BarcodeSignOptions options = new BarcodeSignOptions("John Smith");

// setup Barcode encoding type
options.setEncodeType(QrCodeTypes.G S1 Q R);

// set signature position
options.setLeft(50);
options.setTop(50);
options.setWidth(200);
options.setHeight(50);

// sign Pdf document
SignResult result = signature.sign(outputFilePath, options);