class HexaPDF::Type::AcroForm::SignatureField
See: PDF2.0 s12.7.5.5
width and height; and/or the ‘hidden’ or ‘no_view’ flags of the annotation should be set.
If the signature should not be visible, the associated widget annotation should have zero
digital signature itself.
It serves two purposes: To visually display the signature and to hold the information of the
AcroForm signature fields represent a digital signature.
def field_value
def field_value self[:V] end
def field_value=(sig_dict)
def field_value=(sig_dict) self[:V] = sig_dict end
def perform_validation #:nodoc:
def perform_validation #:nodoc: if field_type != :Sig yield("Field /FT of AcroForm signature field has to be :Sig", true) self[:FT] = :Sig end super end