[pdftex] Indirect references to pages

[story at uakron.edu]

Thanks, Hans, for the reply.  Not implemented yet.  Does ConTeXt have a workaround?

dps

On 14 Jul 2003 at 18:05, Hans Hagen wrote:

> At 09:25 14/07/2003 -0500, story at uakron.edu wrote:
> >Hi all,
> >
> >Does pdftex have a primitive fo obtaining an indirect reference to a page?
> >  This is needed for GoTo actions for jumping to a particular page in the
> >current document.
> >
> >Distiller has {PageN}, dvipdfm has @pageN. Has this capability been added
> >to pdftex in recent years?
> 
> since this is indeed needed for some more advanced pdf features, it has 
> been discussed and put on the todo list (there have been some experiments 
> with this); possible solutions are:
> 
> - reserve a number of objects that matches the number of pages (this needs 
> to be set beforehand based on a first pass)
> - keep an internal list of indirect objects + primitive like \pdfpageobj 
> <number> (can be tricky for more complex situations)
> - provide \pdflastpageobj during shipout which can then be written to a 
> file (takes quite some hash space in big docs)
> 
> the first method is probably the most simple one (since one can reserve 
> more numbers than needed) because most job sare multipass
> 
> Hans
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