Hi Milan,
I fully agree. This would be a killer feature for signing existing document
(a new podofotool comes to my mind).
It should be an optional feature though, i.e. with an option to
PdfMemDocument::Write where you can specify whether to rewrite or
incremental update.
Also a PdfIncrementalUpdateWriter could be an option.
So, I am all in favour for such a new feature.
Best regards,
Dominik
On Sun, May 26, 2013 at 9:42 PM, zyx <zy...@ymail.com> wrote:
> Hello,
> I'd like to Request For an Enhancement, to be able to open a document
> for incremental updates - to add a new revision "at the end of the
> existing file". The feature is not that complicated, according to PDF
> specification, but its implementation can be tricky.
>
> It would be a great feature of PoDoFo, with its initial implementation
> for document signing. (That would be a killer feature for signatures,
> because the current implementation breaks the signatures when one tries
> to sign already signed document, while with signing as an incremental
> update there would be no such problem. Some other similar libraries also
> suffer of this problem when signing.) Nonetheless, I do not request this
> only for signatures, because I believe the incremental updates will find
> its usage also elsewhere.
>
> What do PoDoFo developers think of this?
>
> Bye,
> Milan
>
>
>
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