Hi,
this code tells Acrobat Reader that signature is in form:
PdfAcroForm *frm = document.GetAcroForm(ePdfCreateObject,
ePdfAcroFormDefaultAppearance_None);
if(!frm->GetObject()->GetDictionary().HasKey(PdfName("SigFlags"))) {
pdf_int64 val = 3;
frm->GetObject()->GetDictionary().AddKey("SigFlags", PdfObject(val));
}
Pepa
On Tue, Sep 20, 2016 at 1:29 PM, zyx <z...@litepdf.cz> wrote:
> On Tue, 2016-09-20 at 09:06 +0000, Thomas Szendefi wrote:
>> Do you have any idea why the signature is not recognized by Adobe
>> Reader if there are form fields inside the signed PDF? PDFs without
>> any formfields are working fine now.
>
> Hi,
> nope, nothing specific off head. Except, maybe, there is some
> requirement on the PDF file to note to the AcroForm that the file is
> signed, there is some /Sig attribute or something like that, and if
> that one is missing, the Acrobat Reader doesn't search for signatures.
> I noticed something like that a very long time ago.
>
> By the way, your replies break threading for some reason.
> Bye,
> zyx
>
> --
> http://www.litePDF.cz i...@litepdf.cz
>
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