Thanks a lot! That works great!> Date: Tue, 12 Feb 2008 14:45:20 +0000> From:
[EMAIL PROTECTED]> To: [email protected]> Subject: Re:
[iText-questions] signing a blank signature fieldpreviously created as a
signature placeholder> > sap.setVisibleSignature("field_name");> > Paulo > > >
-----Original Message-----> > From: [EMAIL PROTECTED] > > [mailto:[EMAIL
PROTECTED] On > > Behalf Of Ismael F> > Sent: Tuesday, February 12, 2008 2:30
PM> > To: Post all your questions about iText here> > Subject: Re:
[iText-questions] signing a blank signature > > fieldpreviously created as a
signature placeholder> > > > Thanks, > > > > I understood that, and I do it in
two step process (opening > > and closing the document in every step):> > 1)
First form field creation included blank signature field > > (witn name
"keyfield" ).> > opening and closing the document in this step.> > 2) Form
filling and Signing ("keyfield" blank signature > > previouly created )> >
opening and closing the document in this step.> > > > but it is in this second
step where I don't know how to > > reference the corresponding
PdfSignatureAppearance from > > "keyfield" signature to make the automatic
external signing> > like:> > PdfSignatureAppearance sap =
stp.getSignatureAppearance();> > sap.setCrypto(key, chain, null,
PdfSignatureAppearance.WINCER_SIGNED);> > sap.setReason("I'm the author");> >
sap.setLocation("Lisbon");> > // comment next line to have an invisible
signature> > sap.setVisibleSignature(new Rectangle(100, 100, 200, 200), 1,
null);> > stp.close();> > > > > > because I could not find at iText API any
method that returns > > PdfSignatureAppearance corresponding to a specific
signature > > field (in this case was "keyfield").> > the line > >
PdfSignatureAppearance sap = stp.getSignatureAppearance();> > > > works with
the signature field just created with> > PdfStamper tStamper = > >
PdfStamper.createSignature(tReader,tOutStream,'\0');> > > > but that was what I
made in the first step to create the > > corresponding blank signature field.>
> > > It's possible to create the blank signature field and signing > > it in
two process step?> > > > > > Thanks again.> > > > > > > Date: Tue, 12 Feb 2008
10:36:07 +0000> > > From: [EMAIL PROTECTED]> > > To:
[email protected]> > > Subject: Re: [iText-questions]
signing a blank signature > > field previously created as a signature
placeholder> > > > > > You have to create first the pdf with the blank field,
close it, and> > > than read it with PdfReader as in the examples. It's always
> > a two step> > > process.> > > > > > Paulo > > > > > > > -----Original
Message-----> > > > From: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED]
On > > > > Behalf Of Ismael F> > > > Sent: Tuesday, February 12, 2008 8:14 AM>
> > > To: Post all your questions about iText here> > > > Subject:
[iText-questions] signing a blank signature field > > > > previously created as
a signature placeholder> > > > > > > > Hello,> > > > > > > > As I have read in
some posts I've created a blank signature > > > > field called 'keyfield':> > >
> > > > > > > > > > > > > PdfFormField sig = > >
PdfFormField.createSignature(stamper.getWriter());> > > > > > > >
sig.setWidget(fieldposition, null);> > > > > > > >
sig.setFlags(PdfAnnotation.FLAGS_PRINT); > > > > > > > > sig.put(PdfName.DA,
new PdfString("/Helv 0 Tf 0 g"));> > > > > > > > sig.setFieldName(keyfield);> >
> > > > > > sig.setPage(page);> > > > > > > > stamper.addAnnotation(sig,
page);> > > > > > > > > > > > Then after pdf manipulation and form filling the
document > > > > needs to be automatically signed.> > > > with iText but I
don't know how to achieve this.> > > > > > > > It's possible to get the
"PdfSignatureAppearance" linked to > > > > 'keyfield' blank signature field
previously created?> > > > > > > > As I have read, I know that I will have to
do a 'preclose' to > > > > calculate document size before 'close'
SignatureAppearance, > > > > but I haven't found any constructor like:> > > > >
> > > PdfSignatureAppearance tSignatureAppearance = > > > >
tStamper.getSignatureAppearance ("keyfield"); // get > > > > 'keyfield'
signature appearance> > > > > > > > > > > > It's necessary to fill the blank
signature field just after > > > > it has been created with > > > > PdfStamper
tStamper = > > > > PdfStamper.createSignature(tReader,tOutStream,'\0');> > > >
> > > > as is explained everywhere?> > > >
http://itextpdf.sourceforge.net/howtosign.html> > > >
http://www.mail-archive.com/[EMAIL PROTECTED]> > > > net/msg34083.html> > > >
http://www.mail-archive.com/[EMAIL PROTECTED]> > > > net/msg17968.html> > > >
http://answers.suziana.com/2006/12/12/re-computing-the-signatu> > > >
re-size-before-signing-2.html> > > > > > > > > > > > Thanks a lot!> > > > > > >
> Ismael Fortuny> > > Aviso Legal:> > Esta mensagem é destinada exclusivamente
ao destinatário. Pode conter informação confidencial ou legalmente protegida. A
incorrecta transmissão desta mensagem não significa a perca de
confidencialidade. Se esta mensagem for recebida por engano, por favor envie-a
de volta para o remetente e apague-a do seu sistema de imediato. É proibido a
qualquer pessoa que não o destinatário de usar, revelar ou distribuir qualquer
parte desta mensagem. > > > > Disclaimer:> > This message is destined
exclusively to the intended receiver. It may contain confidential or legally
protected information. The incorrect transmission of this message does not mean
the loss of its confidentiality. If this message is received by mistake, please
send it back to the sender and delete it from your system immediately. It is
forbidden to any person who is not the intended receiver to use, distribute or
copy any part of this message.> > >
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