Re: sponsorship option gone?

[Han-Wen Nienhuys]

2007/3/30, Arvid Grøtting <address@hidden>:
> 2007/3/22, Han-Wen Nienhuys <address@hidden>:
> > 2007/3/22, Arvid Grøtting <address@hidden>:
> > > But I just might come up with a scheme function that takes two (or
> > > more) voices and merges (or centers) the rests that are common.  Do
> > > you think that's feasible?
> >
> > Good point there:  you'll probably be able to write a callback for
> > positioning-done which checks whether the rests (ly:grob-object
> > 'rests) have equal 'duration-log and 'dot-count properties, and if yes
> > force them to overlap, and if no, call the original
> > calc-positioning-done function.
>
> Hmm.   I've managed to merge some rests that way, but:
>
> - where do I get at the dot-count?  I've tried several ways, but so
> far with no luck...


take the path

  note-head -> dot -> dot-count

> - how do I make sure the merged rest stays in the middle?  Do I need
> to kill both rest grobs and create a new one, or something?

Look at how rests are offset rest.cc, y_offset_callback. You have to
override/revert these settings.

> - this callback doesn't seem to be called by multi-measure rests.  Any
> ideas on how to merge those?

unset staff-position for mm rest.

--
Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen