Re: Getting the height of a system.

[Han-Wen Nienhuys]

Joe Neeman schreef:
> > > +      /* if we end up suiciding, our Y-axis-parent won't get the correct
> > > +        Y-extent unless we add our child to it */
> > > +      Grob *p = unsmob_grob (get_object ("axis-group-parent-Y"));
> > > +      if (p)
> > > +       Axis_group_interface::add_element (p, dolly);
> > This will result in duplicate elements in the axis-group-parent-Y after 
> > line breaking.  Isn't it possible to handle this in any of the relevant 
> > pure_XX functions?
>
> I don't think so. For example, a BarNumber gets created and added to
> System->object_alist_->elements. Since a mid-line BarNumber is
> invisible, the original grob sucides in
> Item::handle_prebroken_dependencies. By the time System->pure_extent
> gets called, there are no live BarNumbers in the elements list, so none
> of the pure_XX functions even get to see a BarNumber.

I'm not sure I understand. The BarNumber won't be live, but it should 
still be in the 'elements grob_array, or am I missing something?

--

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

LilyPond Software Design
 -- Code for Music Notation
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