> -----Message d'origine-----
> De : newtontalk-bounce_at_newtontalk.net
> [mailto:newtontalk-bounce_at_newtontalk.net]De la part de
> Vladimir Alexiev
> Envoyé : mardi 9 avril 2002 21:03
> À : 'newtontalk_at_newtontalk.net'
> Objet : Re: [NTLK] PDFNewt
>
>
> Having a PDF-to-book convertor would be very cool. It'd be
> also fairly hard
> to implement. Consider:
> - PDFs are hard-formatted for a certain page size.
I study the pkg format, so I don't have point of view at this time for this
side of the problem.
> -- Newt books are also hard-formatted but for a different size.
[...]
> -- So you'll need to collect the text and relayout it.
I'm thinking extract on one side the text (with bookmark at the place of
graphics), on the other side the graphics in a first step.
In a second step, merge the elements with the user parameters (orientation of
the display : landscape, portrait giving by this way le number of line by page
and the size of one page).
[...]
> - the PKG format isn't well documented (IMHO). Eg I'm trying to make
> MP3->PGK directly by diffing/patching some PKGs made with Padilla's
> MP3Builder, but with little success.
That's the way I'm gonna use to analyze the pkg format. But with NewtonBook
Package generate by Bookmaker.
> Because of these difficulties I think you should first work on a
> PDF-to-bookmaker convertor. If you succeed in this, you can
> then work to
> skip the bookmaker and NTK steps.
>
The problem is, at this point, I will have to write a " bookmaker file to NTK
pkg compiler " and that's not really easy.
Maybe It's possible to call Bookmaker and NTK functions for create pkg without
using graphic interface. At this moment, I will reconside the translation of a
PDF to a bookmaker format with great pleasure. But I don't know if it exists
APIs for this two tools (I'm gonna search).
> > The problem of the native PDF format is its big size. The
> > NewtonBook format economizes space
>
> If you don't include fonts in the PDF, this is probably false.
>
> > and the support is native (no more tools in memory, cool speed).
>
> Agree, the best way is with a pdf->pkg convertor.
>
> I may be available to help you some with your endeavor. I'm
> good with Perl,
> which can be useful at least for prototyping.
>
>
I thank you for your presentation (I don't know the Perl). I use FreePascal
for this development.
Cordialement
Didier BOURGUIGNON
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