/*
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--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
+#include "dot-column.hh"
#include "note-column.hh"
-#include "debug.hh"
-#include "script.hh"
-#include "notehead.hh"
+#include "beam.hh"
+#include "note-head.hh"
#include "stem.hh"
+#include "rest.hh"
+#include "debug.hh"
+#include "paper-def.hh"
-IMPLEMENT_STATIC_NAME(Note_column);
-
-
-void
-Note_column::add(Stem*stem_l)
+bool
+Note_column::rest_b () const
{
- assert(!stem_l_);
- stem_l_ = stem_l;
- add_dependency(stem_l);
+ return rest_l_arr_.size ();
}
-void
-Note_column::add(Notehead* n_l)
+Note_column::Note_column()
{
- if (head_l_arr_.size())
- assert(n_l->rest_b_ == rest_b_);
- else
- rest_b_ = n_l->rest_b_;
-
- head_l_arr_.push(n_l);
- add_dependency(n_l);
+ set_axes (X_AXIS,X_AXIS);
+ stem_l_ = 0;
}
void
-Note_column::add(Script*s_l)
+Note_column::sort()
{
- script_l_arr_.push(s_l);
- add_dependency(s_l);
+ head_l_arr_.sort (Note_head::compare);
}
-
-void
-Note_column::translate(Offset o)
+
+Interval_t<int>
+Note_column::head_positions_interval() const
{
- 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);
-}
+ ((Note_column*)this)->sort();
+ Interval_t<int> iv;
+ iv.set_empty ();
-void
-Note_column::do_print()const
-{
- mtor << "heads: " << head_l_arr_.size() << '\n';
- mtor << "scripts: " << script_l_arr_.size() << '\n';
+ if (head_l_arr_.size ())
+ iv = Interval_t<int>(head_l_arr_[0]->position_i_,
+ head_l_arr_.top()->position_i_);
+
+ return iv;
}
-Interval
-Note_column::do_height()const return r
+Direction
+Note_column::dir () const
{
- 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());
+ if (stem_l_)
+ return stem_l_->dir_;
+ else if (head_l_arr_.size ())
+ return sign (head_positions_interval().center ());
+
+ assert (false);
+ return CENTER;
}
-Interval
-Note_column::do_width()const return r;
+
+void
+Note_column::set_stem (Stem * 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());
+ stem_l_ = stem_l;
+ add_dependency (stem_l);
+ add_element (stem_l);
}
+
void
-Note_column::do_pre_processing()
+Note_column::do_substitute_element_pointer (Score_element*o, Score_element*n)
{
- if (stem_l_ && !dir_i_)
- dir_i_ = stem_l_->dir_i_;
-
- 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);
+ if (stem_l_ == o)
+ {
+ stem_l_ = n ? dynamic_cast<Stem *> (n):0;
}
- for (int j =0; j <4; j++) {
- placed_l_arr_a[j].sort( Script::compare);
+ if (dynamic_cast<Note_head *> (o))
+ {
+ head_l_arr_.substitute (dynamic_cast<Note_head *> (o),
+ (n)? dynamic_cast<Note_head *> (n) : 0);
}
-
- 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 (dynamic_cast<Rest *> (o))
+ {
+ rest_l_arr_.substitute (dynamic_cast<Rest *> (o),
+ (n)? dynamic_cast<Rest *> (n) : 0);
}
- /* 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(); i++) {
- placed_l_arr_a[j][i]->add_support(support_l);
- support_l = placed_l_arr_a[j][i];
- }
+}
+
+void
+Note_column::add_head (Rhythmic_head *h)
+{
+ if (Rest*r=dynamic_cast<Rest *> (h))
+ {
+ rest_l_arr_.push (r);
}
-
- 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];
- }
+ if (Note_head *nh=dynamic_cast<Note_head *> (h))
+ {
+ head_l_arr_.push (nh);
}
+ add_element (h);
}
-Note_column::Note_column()
+/**
+ translate the rest symbols
+ */
+void
+Note_column::translate_rests (int dy_i)
{
- h_shift_b_ =false;
- stem_l_ =0;
- rest_b_ = false;
- dir_i_ =0;
+ invalidate_cache (Y_AXIS);
+ for (int i=0; i < rest_l_arr_.size(); i++)
+ rest_l_arr_[i]->position_i_ += dy_i;
}
+
void
-Note_column::sort()
+Note_column::do_print() const
{
- head_l_arr_.sort( Notehead::compare);
+#ifndef NPRINT
+ DOUT << "rests: " << rest_l_arr_.size() << ", ";
+ DOUT << "heads: " << head_l_arr_.size();
+#endif
}
-
-Interval_t<int>
-Note_column::head_positions_interval()const
+
+void
+Note_column::set_dotcol (Dot_column *d)
{
- ( (Note_column*)this)->sort();
- return Interval_t<int> ( head_l_arr_[0]->position,
- head_l_arr_.top()->position);
+ 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::do_post_processing ()
+{
+ if (!stem_l_ || !rest_b ())
+ return;
+
+ Beam * b = stem_l_->beam_l_;
+ if (!b)
+ return;
+
+ /* ugh. Should be done by beam. */
+ Real x = stem_l_->hpos_f ();
+ Direction d = stem_l_->get_dir ();
+ Real beamy = x * b->slope_f_ + b->left_y_;
+ Interval restdim = extent (Y_AXIS);
+
+ Real staff_space = rest_l_arr_[0]->staff_line_leading_f ();
+ Real internote_f = staff_space/2;
+ Real minimum_dist
+ = paper_l ()->get_var ("restcollision_minimum_beamdist") * internote_f;
+ Real dist =
+ minimum_dist + -d * (beamy - restdim[d]) >? 0;
+
+ int stafflines = rest_l_arr_[0]->lines_i ();
+
+ // move discretely by half spaces.
+ int discrete_dist = int (ceil (dist / (0.5 *staff_space)));
+
+ // 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);
}
projects / lilypond.git / blobdiff