/*
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);
-
-
-void
-Note_column::add(Stem*stem_l)
+bool
+Note_column::rest_b (Score_element*me)
{
- assert(!stem_l_);
- stem_l_ = stem_l;
- add_dependency(stem_l);
+ return unsmob_element (me->get_elt_property ("rest"));
}
-void
-Note_column::add(Notehead* n_l)
+int
+Note_column::shift_compare (Score_element *const &p1, Score_element *const&p2)
{
- head_l_arr_.push(n_l);
- add_dependency(n_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(Script*s_l)
+Note_column::set_interface (Score_element* me)
{
- script_l_arr_.push(s_l);
- add_dependency(s_l);
+ 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);
}
-void
-Note_column::translate(Offset o)
+Item *
+Note_column::stem_l (Score_element*me)
{
- for (int i=0; i < head_l_arr_.size(); i++)
- head_l_arr_[i]->translate(o);
- for (int i=0; i < script_l_arr_.size(); i++)
- script_l_arr_[i]->translate(o);
- if (stem_l_)
- stem_l_->translate(o);
+ SCM s = me->get_elt_property ("stem");
+ return dynamic_cast<Item*>(unsmob_element (s));
}
+
+Slice
+Note_column::head_positions_interval(Score_element *me)
+{
+ Slice iv;
+ iv.set_empty ();
-void
-Note_column::do_print()const
-{
- mtor << "heads: " << head_l_arr_.size() << '\n';
- mtor << "scripts: " << script_l_arr_.size() << '\n';
+ 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;
}
-Interval
-Note_column::do_height()const return r
+Direction
+Note_column::dir (Score_element* me)
{
- if (stem_l_)
- r.unite(stem_l_->height());
- for (int i=0; i < head_l_arr_.size(); i++)
- r.unite(head_l_arr_[i]->height());
- for (int i=0; i < script_l_arr_.size(); i++)
- r.unite(script_l_arr_[i]->height());
+ 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;
}
-Interval
-Note_column::do_width()const return r;
+
+void
+Note_column::set_stem (Score_element*me,Score_element * stem_l)
{
- if (stem_l_)
- r.unite(stem_l_->width());
- for (int i=0; i < head_l_arr_.size(); i++)
- r.unite(head_l_arr_[i]->width());
- for (int i=0; i < script_l_arr_.size(); i++)
- r.unite(script_l_arr_[i]->width());
+ 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::do_pre_processing()
+Note_column::add_head (Score_element*me,Score_element *h)
{
- if (!script_l_arr_.size())
- return;
-
- Array<Script*> placed_l_arr_a[4];
- for (int i=0; i < script_l_arr_.size(); i++) {
- Script*s_l = script_l_arr_[i];
- int j = (s_l->dir_i_ >0) ? 0 : 2;
- if (!s_l->inside_staff_b_)
- j ++;
-
- placed_l_arr_a[j].push(s_l);
- }
- for (int j =0; j <4; j++) {
- placed_l_arr_a[j].sort( Script::compare);
- }
-
- Notehead *top_head_l=0;
- Notehead *bot_head_l=0;
- for (int i=0; i< head_l_arr_.size(); i++) {
- if (head_l_arr_[i]->extremal == -1)
- bot_head_l = head_l_arr_[i];
- else if (head_l_arr_[i]->extremal == 1)
- top_head_l = head_l_arr_[i];
+ if (Rest::has_interface (h))
+ {
+ me->set_elt_property ("rest", h->self_scm ());
}
- /* argh. This sux. */
- if (!top_head_l)
- top_head_l = bot_head_l;
- if (!bot_head_l)
- bot_head_l = top_head_l;
- assert(bot_head_l && top_head_l);
- Item *support_l=top_head_l;
- int j;
- for (j = 0; j < 2; j++ ) {
- for (int i=0; i < placed_l_arr_a[j].size(); j++) {
- placed_l_arr_a[j][i]->add_support(support_l);
- support_l = placed_l_arr_a[j][i];
- }
+ else if (Note_head::has_interface (h))
+ {
+ Pointer_group_interface::add_element (me, "note-heads",h);
}
-
- support_l=bot_head_l;
- for (; j < 4; j++ ) {
- for (int i=0; i < placed_l_arr_a[j].size(); i++) {
- placed_l_arr_a[j][i]->add_support(support_l);
- support_l = placed_l_arr_a[j][i];
- }
+ 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);
}
}
-Note_column::Note_column()
+
+
+void
+Note_column::set_dotcol (Score_element*me,Score_element *d)
+{
+ Axis_group_interface::add_element (me, d);
+}
+
+
+
+
+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)
{
- stem_l_ =0;
+ return me && me->has_interface (ly_symbol2scm ("note-column-interface"));
}
-
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