/*
note-column.cc -- implement Note_column
- source file of the LilyPond music typesetter
+ source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include <math.h> // ceil
+#include "axis-group-interface.hh"
#include "note-column.hh"
-#include "debug.hh"
-#include "script.hh"
-#include "notehead.hh"
#include "stem.hh"
+#include "debug.hh"
+#include "paper-def.hh"
+#include "group-interface.hh"
+#include "staff-symbol-referencer.hh"
+#include "rest.hh"
+#include "note-head.hh"
-IMPLEMENT_STATIC_NAME(Note_column);
+bool
+Note_column::rest_b (Score_element*me)
+{
+ return unsmob_element (me->get_elt_property ("rest"));
+}
-void
-Note_column::add(Stem*stem_l)
+int
+Note_column::shift_compare (Score_element *const &p1, Score_element *const&p2)
{
- stem_l_ = stem_l;
- add_support(stem_l);
+ SCM s1 = p1->get_elt_property ("horizontal-shift");
+ SCM s2 = p2->get_elt_property ("horizontal-shift");
+
+ int h1 = (gh_number_p (s1))? gh_scm2int (s1) :0;
+ int h2 = (gh_number_p (s2)) ? gh_scm2int (s2):0;
+ return h1 - h2;
}
void
-Note_column::add(Notehead* n_l)
+Note_column::set_interface (Score_element* me)
+{
+ 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);
+}
+
+Item *
+Note_column::stem_l (Score_element*me)
+{
+ SCM s = me->get_elt_property ("stem");
+ return dynamic_cast<Item*>(unsmob_element (s));
+}
+
+Slice
+Note_column::head_positions_interval(Score_element *me)
{
- assert(!n_l->rest_b_);
- head_l_arr_.push(n_l);
- add_support(n_l);
+ Slice iv;
+
+ iv.set_empty ();
+
+ 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));
+
+ int j = int (Staff_symbol_referencer::position_f (se));
+ iv.unite (Slice (j,j));
+ }
+ return iv;
}
-Note_column::Note_column()
+Direction
+Note_column::dir (Score_element* me)
{
- stem_l_ = 0;
- h_shift_b_ =false;
- dir_i_ =0;
+ 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::sort()
+Note_column::set_stem (Score_element*me,Score_element * stem_l)
{
- head_l_arr_.sort( Notehead::compare);
+ me->set_elt_property ("stem", stem_l->self_scm ());
+ me->add_dependency (stem_l);
+ Axis_group_interface::add_element (me, stem_l);
}
-
-Interval_t<int>
-Note_column::head_positions_interval()const
+
+void
+Note_column::add_head (Score_element*me,Score_element *h)
{
- ( (Note_column*)this)->sort();
- return Interval_t<int> ( head_l_arr_[0]->position_i_,
- head_l_arr_.top()->position_i_);
+ if (Rest::has_interface (h))
+ {
+ me->set_elt_property ("rest", h->self_scm ());
+ }
+ else if (Note_head::has_interface (h))
+ {
+ Pointer_group_interface gi (me, "note-heads");
+ gi.add_element (h);
+ }
+ Axis_group_interface::add_element (me, h);
+}
+/**
+ translate the rest symbols vertically by amount DY_I.
+ */
+void
+Note_column::translate_rests (Score_element*me,int dy_i)
+{
+ Score_element * r = unsmob_element (me->get_elt_property ("rest"));
+ if (r)
+ {
+ r->translate_axis (dy_i * Staff_symbol_referencer::staff_space (r)/2.0, Y_AXIS);
+ }
}
void
-Note_column::do_pre_processing()
+Note_column::set_dotcol (Score_element*me,Score_element *d)
+{
+ Axis_group_interface::add_element (me, d);
+}
+
+
+
+Interval
+Note_column::rest_dim (Score_element*me)
+{
+ Score_element * r = unsmob_element (me->get_elt_property ("rest"));
+ return r->extent (Y_AXIS);
+}
+
+Score_element*
+Note_column::first_head (Score_element*me)
+{
+ Score_element * st = stem_l (me);
+ return st? Stem::first_head (st): 0;
+}
+
+bool
+Note_column::has_interface (Score_element*me)
{
- if (!dir_i_)
- dir_i_ = stem_l_->dir_i_;
+ return me && me->has_interface (ly_symbol2scm ("note-column-interface"));
}