[Scribus] a bit off-topic: Tool to add notes to PDFs??

Craig Ringer craig
Tue Jan 15 01:18:34 CET 2008

Philipp Wagner wrote:
> They added annotation support (btw, okular, the new kpdf, is really
> fast!), but these annotations are not PDF annotations, but saved to a
> separate XML file (.kde4/share/apps/okular/docdata).
Ah, thanks for clearing that up. None of the reports about the kpdf 
changes bothered to mention that it used a non-standard and incompatible 
annotation method. Pity.

I can understand it, since the xpdf/poppler PDF rendering libraries 
unfortunately provide little or no facility for modifying and writing 
PDF so it's relatively difficult for a library that uses (eg) libpoppler 
to insert annotations and write the PDF out. At least, it was last time 
I looked. In fact, I'd been wondering how the Kpdf folks had built their 
annotation support.
> Well, there seems to be no solution (which was the result of my previous
> search, too), perhaps I'll find some time to look into okular and podofo
> and get them to work together ... Should not be impossible at least.
I wouldn't jump into that quite yet. It looks like both the evince and 
kpdf folks have been working on enhancing poppler to support PDF 
annotations. This XML file stuff may just be an interim step, maybe 
intended as a temp file if they're going to use another tool/library to 
insert the annotations.

If you're interested in the problem, you'd probably want to start by 
prodding the kpdf and evince folks to find out what the situation is and 
how you can help.

Craig Ringer

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