You need to set setFormFlattening
to true on your PdfStamper
object.
Code is from their documentation:
for (Movie movie : PojoFactory.getMovies(connection)) {
if (count == 0) {
baos = new ByteArrayOutputStream();
reader = new PdfReader(RESOURCE);
stamper = new PdfStamper(reader, baos);
stamper.setFormFlattening(true);
form = stamper.getAcroFields();
}
count++;
}
if (count > 0) {
stamper.close();
reader = new PdfReader(baos.toByteArray());
copy.addPage(copy.getImportedPage(reader, 1));
}
That way the form will be flattened when you close your PdfStamper
.