Chỉnh sửa và cập nhật chữ ký Barcode được đặt trong tệp Pps

        
// Set up input Pps file
String filePath = "input.pps";
// Set up output file
String outputFilePath = "output.pps";

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

// Id of signature which is supposed to be updated
// such Id might be got as a result of search operation
String id = "07f83369-318b-41ad-a843-732417b912c2";

// provide signature features to update
// set up particular signature id
BarcodeSignature signatureToUpdate = new BarcodeSignature(id);

// specify signature width
signatureToUpdate.setWidth(300);
// specify signature height
signatureToUpdate.setHeight(50);
// set left position
signatureToUpdate.setLeft(80);
// set top position
signatureToUpdate.setTop(100);

// update signature
Boolean updateResult = signature.update(outputFilePath, signatureToUpdate);

// process updation result
if (updateResult)
{
        System.out.println("Signature was updated successfully!");
}