Signature DocMDP permission level

Returns the PDF DocMDP permission level (1, 2, or 3) or NA when no DocMDP entry is present. Wraps FPDFSignatureObj_GetDocMDPPermission.

Usage

pdf_signature_doc_mdp_permission(sig)

Arguments

sig

A pdfium_signature handle from pdf_signatures().

Value

Integer scalar (1/2/3) or NA.

Details

Level 1 = no changes; 2 = form-fill only; 3 = form-fill + annotations + signing fields.