/*
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--2004 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 "warn.hh"
+#include "paper-def.hh"
+#include "group-interface.hh"
+#include "staff-symbol-referencer.hh"
+#include "rest.hh"
+#include "note-head.hh"
+#include "accidental-placement.hh"
-IMPLEMENT_STATIC_NAME(Note_column);
+bool
+Note_column::rest_b (Grob*me)
+{
+ return unsmob_grob (me->get_grob_property ("rest"));
+}
+int
+Note_column::shift_compare (Grob *const &p1, Grob *const&p2)
+{
+ SCM s1 = p1->get_grob_property ("horizontal-shift");
+ SCM s2 = p2->get_grob_property ("horizontal-shift");
-void
-Note_column::add(Stem*stem_l)
+ int h1 = (gh_number_p (s1))? gh_scm2int (s1) :0;
+ int h2 = (gh_number_p (s2)) ? gh_scm2int (s2):0;
+ return h1 - h2;
+}
+
+Item *
+Note_column::get_stem (Grob*me)
{
- assert(!stem_l_);
- stem_l_ = stem_l;
- add_dependency(stem_l);
+ SCM s = me->get_grob_property ("stem");
+ return unsmob_item (s);
}
+
+Slice
+Note_column::head_positions_interval (Grob *me)
+{
+ Slice iv;
-void
-Note_column::add(Notehead* n_l)
+ iv.set_empty ();
+
+ SCM h = me->get_grob_property ("note-heads");
+ for (; gh_pair_p (h); h = ly_cdr (h))
+ {
+ Grob *se = unsmob_grob (ly_car (h));
+
+ int j = int (Staff_symbol_referencer::get_position (se));
+ iv.unite (Slice (j,j));
+ }
+ return iv;
+}
+
+Direction
+Note_column::dir (Grob* me)
{
- head_l_arr_.push(n_l);
- add_dependency(n_l);
+ Grob *stem = unsmob_grob (me->get_grob_property ("stem"));
+ if (stem && Stem::has_interface (stem))
+ return Stem::get_direction (stem);
+ else if (gh_pair_p (me->get_grob_property ("note-heads")))
+ return (Direction)sign (head_positions_interval (me).center ());
+
+ programming_error ("Note column without heads and stem!");
+ return CENTER;
}
+
void
-Note_column::add(Script*s_l)
+Note_column::set_stem (Grob*me,Grob * stem)
{
- script_l_arr_.push(s_l);
- add_dependency(s_l);
+ me->set_grob_property ("stem", stem->self_scm ());
+ me->add_dependency (stem);
+ Axis_group_interface::add_element (me, stem);
}
void
-Note_column::translate(Offset o)
+Note_column::add_head (Grob*me,Grob *h)
{
- 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);
+ if (Rest::has_interface (h))
+ {
+ me->set_grob_property ("rest", h->self_scm ());
+ }
+ else if (Note_head::has_interface (h))
+ {
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-heads"),h);
+ }
+ Axis_group_interface::add_element (me, h);
}
-
+/**
+ translate the rest symbols vertically by amount DY_I, but only if
+ they have no staff-position set.
+*/
void
-Note_column::do_print()const
+Note_column::translate_rests (Grob*me,int dy_i)
{
- mtor << "heads: " << head_l_arr_.size() << '\n';
- mtor << "scripts: " << script_l_arr_.size() << '\n';
+ Grob * r = unsmob_grob (me->get_grob_property ("rest"));
+ if (r && !gh_number_p (r->get_grob_property ("staff-position")))
+ {
+ r->translate_axis (dy_i * Staff_symbol_referencer::staff_space (r)/2.0, Y_AXIS);
+ }
}
-Interval
-Note_column::do_height()const return r
+
+void
+Note_column::set_dotcol (Grob*me,Grob *d)
{
- 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());
+ Axis_group_interface::add_element (me, d);
}
-Interval
-Note_column::do_width()const return r;
+
+
+
+Grob*
+Note_column::first_head (Grob*me)
{
- 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());
+ Grob * st = get_stem (me);
+ return st? Stem::first_head (st): 0;
}
-void
-Note_column::do_pre_processing()
+
+/*
+ Return the first Accidentals grob that we find in a note-head.
+ */
+Grob*
+Note_column::accidentals (Grob *me)
{
- 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];
- }
- /* 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];
- }
+ SCM heads = me->get_grob_property ("note-heads");
+ Grob * acc = 0;
+ for (;gh_pair_p (heads); heads =gh_cdr (heads))
+ {
+ Grob * h = unsmob_grob (gh_car (heads));
+ acc = h ? unsmob_grob (h->get_grob_property ("accidental-grob")) : 0;
+ if (acc)
+ break;
}
-
- 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];
- }
- }
-}
-Note_column::Note_column()
-{
- stem_l_ =0;
+
+ if (!acc)
+ return 0;
+
+ if (Accidental_placement::has_interface (acc->get_parent (X_AXIS)))
+ return acc->get_parent (X_AXIS);
+
+ /* compatibility. */
+ return acc;
}
-
+
+
+
+ADD_INTERFACE (Note_column,"note-column-interface",
+ "Stem and noteheads combined",
+ "arpeggio note-heads rest-collision rest horizontal-shift stem accidentals force-hshift");
+
projects / lilypond.git / blobdiff