source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "dot-column.hh"
#include "note-column.hh"
-#include "script.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"
bool
Note_column::rest_b () const
{
- return rest_l_arr_.size ();
+ SCM r = get_elt_property ("rests");
+
+ return gh_pair_p (r);
+}
+
+int
+Note_column::shift_compare (Note_column *const &p1, Note_column*const&p2)
+{
+ SCM s1 = p1->get_elt_property ("horizontal-shift");
+ SCM s2 = p2->get_elt_property ("horizontal-shift");
+
+ int h1 = (s1 == SCM_UNDEFINED) ? 0 : gh_scm2int (s1);
+ int h2 = (s2 == SCM_UNDEFINED) ? 0 : gh_scm2int (s2);
+ return h1 - h2;
}
Note_column::Note_column()
{
- stem_l_ = 0;
- h_shift_b_ = false;
- dir_ =CENTER;
+ set_elt_property ("rests", SCM_EOL);
+ set_elt_property ("note-heads", SCM_EOL);
+ set_axes (X_AXIS, Y_AXIS);
}
-void
-Note_column::sort()
+Stem *
+Note_column::stem_l () const
{
- head_l_arr_.sort (Note_head::compare);
+ SCM s = get_elt_property ("stem");
+ return dynamic_cast<Stem*> (unsmob_element (s));
+
}
+
-Interval_t<int>
+Slice
Note_column::head_positions_interval() const
{
- ((Note_column*)this)->sort();
- Interval_t<int> iv;
+ Slice iv;
iv.set_empty ();
- if (head_l_arr_.size ())
- iv = Interval_t<int>(head_l_arr_[0]->position_i_,
- head_l_arr_.top()->position_i_);
-
+ SCM h = 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 (dynamic_cast<Staff_symbol_referencer*> (se)->position_f ());
+ iv.unite (Slice (j,j));
+ }
return iv;
}
-void
-Note_column::do_pre_processing()
+Direction
+Note_column::dir () const
{
- if (!dir_)
- {
- if (stem_l_)
- dir_ = stem_l_->dir_;
- else if (head_l_arr_.size ())
- {
- // assert (false); // looks obsolete?
- dir_ = sign (head_positions_interval().center ());
- }
- }
- Script_column::do_pre_processing();
+ 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 ());
+
+ programming_error ("Note column without heads and stem!");
+ return CENTER;
}
-
void
Note_column::set_stem (Stem * stem_l)
{
- add_support (stem_l);
- stem_l_ = stem_l;
- /*
- don't add stem to support; mostly invisible for rest-columns (and possibly taken . .)
- */
- Score_element::add_dependency (stem_l);
- for (int i=0; i < script_l_arr_.size(); i++)
- script_l_arr_[i]->set_stem (stem_l);
-}
+ set_elt_property ("stem", stem_l->self_scm_);
-void
-Note_column::add_script (Script *script_l)
-{
- Script_column::add_script (script_l) ;
- if (stem_l_)
- script_l->set_stem (stem_l_);
+ add_dependency (stem_l);
+ add_element (stem_l);
}
-void
-Note_column::do_substitute_dependency (Score_element*o, Score_element*n)
-{
- if (stem_l_ == o)
- {
- stem_l_ = n ? dynamic_cast<Stem *> (n):0;
- }
- if (dynamic_cast<Note_head *> (o))
- {
- head_l_arr_.substitute (dynamic_cast<Note_head *> (o),
- (n)? dynamic_cast<Note_head *> (n) : 0);
- }
- Script_column::do_substitute_dependency (o,n);
- if (dynamic_cast<Rest *> (o))
- {
- rest_l_arr_.substitute (dynamic_cast<Rest *> (o),
- (n)? dynamic_cast<Rest *> (n) : 0);
- }
-}
+
void
Note_column::add_head (Rhythmic_head *h)
{
if (Rest*r=dynamic_cast<Rest *> (h))
{
- rest_l_arr_.push (r);
- add_support (r);
+ Group_interface gi (this, "rests");
+ gi.add_element (h);
}
if (Note_head *nh=dynamic_cast<Note_head *> (h))
{
- head_l_arr_.push (nh);
- add_support (nh);
+ Group_interface gi (this, "note-heads");
+ gi.add_element (nh);
}
+ add_element (h);
}
/**
- translate the rest symbols
+ translate the rest symbols vertically by amount DY_I.
*/
void
Note_column::translate_rests (int dy_i)
{
invalidate_cache (Y_AXIS);
- for (int i=0; i < rest_l_arr_.size(); i++)
- rest_l_arr_[i]->position_i_ += dy_i;
+
+ SCM s = get_elt_property ("rests");
+ for (; gh_pair_p (s); s = gh_cdr (s))
+ {
+ Score_element * se = unsmob_element ( gh_car (s));
+ Staff_symbol_referencer *str = dynamic_cast<Staff_symbol_referencer*> (se);
+ se->translate_axis (dy_i * str->staff_line_leading_f ()/2.0, Y_AXIS);
+ }
}
+
void
-Note_column::do_print() const
+Note_column::set_dotcol (Dot_column *d)
{
-#ifndef NPRINT
- DOUT << "rests: " << rest_l_arr_.size() << ", ";
- DOUT << "heads: " << head_l_arr_.size();
-#endif
+ add_element (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::set_dotcol (Dot_column *d)
+Note_column::do_post_processing ()
{
- add_element (d);
+ if (!stem_l () || !rest_b ())
+ return;
+
+ Beam * b = stem_l ()->beam_l ();
+ if (!b || !b->stem_count ())
+ return;
+
+ /* ugh. Should be done by beam. */
+ Direction d = stem_l ()->get_direction ();
+ Real beamy = (stem_l ()->hpos_f () - b->stem(0)->hpos_f ()) * b->slope_f_ + b->left_y_;
+
+ SCM s = get_elt_property ("rests");
+ Score_element * se = unsmob_element (gh_car (s));
+ Staff_symbol_referencer *str = dynamic_cast<Staff_symbol_referencer*> (se);
+
+ Real staff_space = str->staff_line_leading_f ();
+ 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 = str->lines_i ();
+
+ // 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
+{
+ 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;
+}
+
+Note_head*
+Note_column::first_head () const
+{
+ Stem * st = stem_l ();
+ return st? st->first_head (): 0;
+
}
projects / lilypond.git / blobdiff