#include <math.h> // ceil
#include "axis-group-interface.hh"
-#include "dot-column.hh"
#include "note-column.hh"
-#include "beam.hh"
-#include "note-head.hh"
#include "stem.hh"
-#include "rest.hh"
#include "debug.hh"
#include "paper-def.hh"
#include "group-interface.hh"
#include "staff-symbol-referencer.hh"
+#include "rest.hh"
+#include "note-head.hh"
bool
-Note_column::rest_b () const
+Note_column::rest_b (Score_element*me)
{
- SCM r = get_elt_property ("rests");
-
- return gh_pair_p (r);
+ return unsmob_element (me->get_elt_property ("rest"));
}
int
-Note_column::shift_compare (Note_column *const &p1, Note_column*const&p2)
+Note_column::shift_compare (Score_element *const &p1, Score_element *const&p2)
{
SCM s1 = p1->get_elt_property ("horizontal-shift");
SCM s2 = p2->get_elt_property ("horizontal-shift");
return h1 - h2;
}
-Note_column::Note_column()
+void
+Note_column::set_interface (Score_element* me)
{
- set_elt_property ("rests", SCM_EOL);
- set_elt_property ("note-heads", SCM_EOL);
- axis_group (this).set_axes (X_AXIS, Y_AXIS);
+ me->set_elt_property ("note-heads", SCM_EOL);
+ me->set_interface (ly_symbol2scm ("note-column-interface"));
+
+ Axis_group_interface::set_interface (me);
+ Axis_group_interface::set_axes (me, X_AXIS, Y_AXIS);
}
-Stem *
-Note_column::stem_l () const
+Item *
+Note_column::stem_l (Score_element*me)
{
- SCM s = get_elt_property ("stem");
- return dynamic_cast<Stem*> (unsmob_element (s));
-
+ SCM s = me->get_elt_property ("stem");
+ return dynamic_cast<Item*>(unsmob_element (s));
}
-
Slice
-Note_column::head_positions_interval() const
+Note_column::head_positions_interval(Score_element *me)
{
Slice iv;
iv.set_empty ();
- SCM h = get_elt_property ("note-heads");
+ SCM h = me->get_elt_property ("note-heads");
for (; gh_pair_p (h); h = gh_cdr (h))
{
Score_element *se = unsmob_element (gh_car (h));
- Staff_symbol_referencer_interface si (se);
- int j = int (si.position_f ());
+ int j = int (Staff_symbol_referencer::position_f (se));
iv.unite (Slice (j,j));
}
return iv;
}
Direction
-Note_column::dir () const
+Note_column::dir (Score_element* me)
{
- if (stem_l ())
- return stem_l ()->get_direction ();
- else if (gh_pair_p (get_elt_property ("note-heads")))
- return (Direction)sign (head_positions_interval().center ());
+ Score_element *stem = unsmob_element (me->get_elt_property ("stem"));
+ if (stem && Stem::has_interface (stem))
+ return Stem::get_direction (stem);
+ else if (gh_pair_p (me->get_elt_property ("note-heads")))
+ return (Direction)sign (head_positions_interval (me).center ());
programming_error ("Note column without heads and stem!");
return CENTER;
void
-Note_column::set_stem (Stem * stem_l)
+Note_column::set_stem (Score_element*me,Score_element * stem_l)
{
- set_elt_property ("stem", stem_l->self_scm_);
-
- add_dependency (stem_l);
- axis_group (this).add_element (stem_l);
+ me->set_elt_property ("stem", stem_l->self_scm ());
+ me->add_dependency (stem_l);
+ Axis_group_interface::add_element (me, stem_l);
}
-
-
void
-Note_column::add_head (Rhythmic_head *h)
+Note_column::add_head (Score_element*me,Score_element *h)
{
- if (Rest*r=dynamic_cast<Rest *> (h))
+ if (Rest::has_interface (h))
{
- Group_interface gi (this, "rests");
- gi.add_element (h);
+ me->set_elt_property ("rest", h->self_scm ());
}
- if (Note_head *nh=dynamic_cast<Note_head *> (h))
+ else if (Note_head::has_interface (h))
{
- Group_interface gi (this, "note-heads");
- gi.add_element (nh);
+ Pointer_group_interface::add_element (me, "note-heads",h);
}
- axis_group (this).add_element (h);
+ Axis_group_interface::add_element (me, h);
}
/**
translate the rest symbols vertically by amount DY_I.
*/
void
-Note_column::translate_rests (int dy_i)
+Note_column::translate_rests (Score_element*me,int dy_i)
{
- SCM s = get_elt_property ("rests");
- for (; gh_pair_p (s); s = gh_cdr (s))
+ Score_element * r = unsmob_element (me->get_elt_property ("rest"));
+ if (r)
{
- Score_element * se = unsmob_element (gh_car (s));
- Staff_symbol_referencer_interface si (se);
-
- se->translate_axis (dy_i * si.staff_space ()/2.0, Y_AXIS);
+ r->translate_axis (dy_i * Staff_symbol_referencer::staff_space (r)/2.0, Y_AXIS);
}
}
void
-Note_column::set_dotcol (Dot_column *d)
+Note_column::set_dotcol (Score_element*me,Score_element *d)
{
- axis_group (this).add_element (d);
+ Axis_group_interface::add_element (me, d);
}
-/*
- [TODO]
- handle rest under beam (do_post: beams are calculated now)
- what about combination of collisions and rest under beam.
-
- Should lookup
-
- rest -> stem -> beam -> interpolate_y_position ()
-*/
-
-void
-Note_column::after_line_breaking ()
-{
- if (!stem_l () || !rest_b ())
- return;
-
- Beam * b = stem_l ()->beam_l ();
- if (!b || !b->visible_stem_count ())
- return;
-
- /* ugh. Should be done by beam.
- (what? should be done --jcn)
- scary too?: height is calculated during post_processing
- */
- Real beam_dy = 0;
- Real beam_y = 0;
-
- SCM s = b->get_elt_property ("height");
- if (gh_number_p (s))
- beam_dy = gh_scm2double (s);
-
- s = b->get_elt_property ("y-position");
- if (gh_number_p (s))
- beam_y = gh_scm2double (s);
-
-
- Real x0 = b->first_visible_stem ()->hpos_f ();
- Real dx = b->last_visible_stem ()->hpos_f () - x0;
- Real dydx = beam_dy && dx ? beam_dy/dx : 0;
-
- Direction d = stem_l ()->get_direction ();
- Real beamy = (stem_l ()->hpos_f () - x0) * dydx + beam_y;
-
- s = get_elt_property ("rests");
- Score_element * se = unsmob_element (gh_car (s));
- Staff_symbol_referencer_interface si (se);
-
- Real staff_space = si.staff_space ();
- Real rest_dim = extent (Y_AXIS)[d]*2.0 /staff_space ;
- Real minimum_dist
- = paper_l ()->get_var ("restcollision_minimum_beamdist") ;
- Real dist =
- minimum_dist + -d * (beamy - rest_dim) >? 0;
- int stafflines = si.line_count ();
- // move discretely by half spaces.
- int discrete_dist = int (ceil (dist ));
-
- // move by whole spaces inside the staff.
- if (discrete_dist < stafflines+1)
- discrete_dist = int (ceil (discrete_dist / 2.0)* 2.0);
-
- translate_rests (-d * discrete_dist);
-}
-
-
-Interval
-Note_column::rest_dim () const
+Score_element*
+Note_column::first_head (Score_element*me)
{
- Interval restdim;
- SCM s = get_elt_property ("rests");
- for (; gh_pair_p (s); s = gh_cdr (s))
- {
- Score_element * sc = unsmob_element ( gh_car (s));
- restdim.unite (sc->extent (Y_AXIS));
- }
-
- return restdim;
+ Score_element * st = stem_l (me);
+ return st? Stem::first_head (st): 0;
}
-Note_head*
-Note_column::first_head () const
+bool
+Note_column::has_interface (Score_element*me)
{
- Stem * st = stem_l ();
- return st? st->first_head (): 0;
+ return me && me->has_interface (ly_symbol2scm ("note-column-interface"));
}