bool
Note_column::has_rests (Grob *me)
{
- return Grob::unsmob (me->get_object ("rest"));
+ return Grob::is_smob (me->get_object ("rest"));
}
bool
return (Direction)sign (head_positions_interval (me).center ());
}
- programming_error ("note column without heads and stem");
+ if (has_interface (me))
+ programming_error ("Note_column without heads and stem");
+ else
+ programming_error ("dir() given grob without Note_column interface");
return CENTER;
}
}
else if (Note_head::has_interface (h))
{
- if (Grob::unsmob (me->get_object ("rest")))
+ if (Grob::is_smob (me->get_object ("rest")))
both = true;
Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-heads"), h);
}