> Date: Tue, 8 Apr 2008 23:28:40 +0200
> From: mstsxfx@gmail.com
> To: pdfedit-support@lists.sourceforge.net
> Subject: Re: [Pdfedit-support] Inserting text very slow
>
> On Tue, Apr 08, 2008 at 07:09:35PM +0200, Fabrice DELENTE wrote:
> > Hello.
>
> Hi.
>
> >
> > First thanks and congratulations for pdfedit; even though it was a bit hard
> > to get used to, I like very much using it.
>
> Thx, nice to hear.
>
> >
> > However, I have a gripe with it: inserting text is very slow, and seems the
> > slower the more I insert text; could there be a memory leak in this function?
>
> This is known issue. Problem is probably in QSA scripting engine and its
> memory management. Martin is currently working on QT4 port, where this
> scripting engine won't be used anymore and hopefully all this problems
> vanish into thin air.
>
> >
> > I'd like to help develop it, especially to get more familiar with the PDF
> > specs; my goal would be to develop a PDF to (La)TeX converter. Is it
> > possible?

1) the function which is displaying a "word" from a pdf document to a visible "word" does not need to know what the word is - for a pdf it can be just a bunch of lines and curves
2) you can have a look on pdf2xml implementation in pdfedit which can be used only when you are able to extract words
3) in general you are not able to "extract" words without OCR (have a look on Infty project)

in fact, it can be done but it is a very difficult task. if you are interested we can discuss it further.

jozo

>
> Of course, patches are welcome ;)
>
> If you need PDFedit documentation you should check doc directory or if
> you add --enable-advanced-doc --enable-doxygen-doc parameters to the
> configure script then you get also design (generated from docbook
> documentation) and programming (generated from sources) documentations.
>
> Nevertheless, pdf->TeX won't be an easy task (you were warn ;)), if you
> are interested in something smaller it would be better start.
>
> Don't hesitate to ask, if something is not clear. I am not sure whether
> we are able to answer questions about really deep details about PDF
> format, but from the PDFedit API side it should be no problem.
>
> >
> > See you.
> >
> > --
> > Fabrice DELENTE
> >
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>
> --
> Michal Hocko
>
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