[Ipe-discuss] IpePresenter not showing LaTeX rendered results

[Dmitriy Morozov]

Yup, a patch by email would be very welcome. Dmitriy

On Sun, Jan 31, 2016 at 1:23 PM, Otfried Cheong <otfried at ipe.airpost.net>
wrote:

> Just in case:  setResources needs to be called *after* calling runLatex.
>
> IpePresenter was written by Dmitriy Morozov, his email address is on the
> repository page:
> http://hg.mrzv.org/IpePresenter
>
> Cheers,
>  Otfried
>
> On Sun, Jan 31, 2016, at 22:19, Lukas Barth wrote:
> > Ah, forget that. I found the mistake. One of my "for good measure" calls
> > to doc->runLatex() remained in the code, probably messing up the
> > resources that I set earlier. Fixed now.
> >
> > I'll try to build a nice patchset against ipepresenter tomorrow. Where
> > do I submit this? Is there a bugtracker for ipepresenter somewhere? I
> > only found the repository..
> >
> > Thanks again,
> >
> > Lukas
> >
> > On 01/31/2016 10:15 PM, Lukas Barth wrote:
> > > Wow, that was a fast reaction. Thanks.
> > >
> > > However, now I have weird behaviour. One of two things happens (not
> sure
> > > when which happens) when I start ipepresenter:
> > >
> > > 1.) It segfaults somewhere in font::getShape (I'm not currently able to
> > > reproduce this, currently only 2 happens:)
> > > 2.) In two of the three canvases, all letters (i.e. all glyphs rendered
> > > by Latex) are replaced by boxes
> > >
> > > I assume there is some race condition now. I'm sorry, I'm not really
> > > familiar with the codebase and I'm trying to patch this together (got a
> > > presentation tomorrow...) - is there anything that must necessarily
> > > complete before the values from doc->resources() are initialized?
> > > Currently, doc->recources() is called more or less right after
> > > Document::loadWithErrorReport().
> > >
> > > Thanks again,
> > >
> > > Lukas
> > >
> > >
> > >
> > > On 01/31/2016 09:49 PM, Otfried Cheong wrote:
> > >> You need to replace the call to Canvas::setFontPool by a call to
> > >> Canvas::setResources (getting the argument as doc->resources()).
> > >>
> > >> Cheers,
> > >>  Otfried
> > >>
> > >> On Sun, Jan 31, 2016, at 21:35, Lukas Barth wrote:
> > >>> Hi,
> > >>>
> > >>> I'm using a current IpePresenter straight from the repository
> compiled
> > >>> against the latest Ipe 7.2.2. Because of my system (Gentoo has
> ancient
> > >>> lua...) I needed to do some manual compiling and to fix some of the
> > >>> Makefiles, but I'm pretty sure I did not break anything in the
> process.
> > >>>
> > >>> Now, when I fire up IpePresenter, PdfLatex is run (at least the
> console
> > >>> tells me it is...), but the two windows (actually - all three
> canvases)
> > >>> only show the non-rendered content. I tried sprinkling a few
> > >>> "doc->runLatex()" over the code of IpePresenter, but that did not
> help
> > >>> either.
> > >>>
> > >>> I have an old version of IpePresenter lying around, compiled agains
> Ipe
> > >>> 7.1.x, and with that version, it works great (but all PNG images look
> > >>> awful - I guess the scaling code changed between versions?) So,
> > >>> something must have changed in the behaviour that interferes with
> Latex
> > >>> rendering. Is there some magic I have to run after doc->runLatex() to
> > >>> update the canvas?
> > >>>
> > >>> Thank for any help,
> > >>>
> > >>> Lukas
> > >>> _______________________________________________
> > >>> Ipe-discuss mailing list
> > >>> Ipe-discuss at lists.science.uu.nl
> > >>> http://lists.science.uu.nl/mailman/listinfo/ipe-discuss
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