source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
+#include "dot-column.hh"
#include "note-column.hh"
#include "script.hh"
#include "note-head.hh"
#include "stem.hh"
+#include "rest.hh"
+#include "debug.hh"
+IMPLEMENT_IS_TYPE_B1(Note_column,Script_column);
-IMPLEMENT_IS_TYPE_B1(Note_column,Head_column);
+bool
+Note_column::rest_b () const
+{
+ return rest_l_arr_.size ();
+}
Note_column::Note_column()
{
- h_shift_b_ =false;
+ stem_l_ = 0;
+ h_shift_b_ = false;
+ dir_ =CENTER;
}
void
Note_column::head_positions_interval() const
{
((Note_column*)this)->sort();
- return Interval_t<int> (head_l_arr_[0]->position_i_,
- head_l_arr_.top()->position_i_);
+ Interval_t<int> 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_);
+
+ return iv;
}
+Interval
+Note_column::width () const
+{
+ if (head_l_arr_.size ())
+ return head_l_arr_[0]->width ();
+ else
+ return Interval (0,0);
+}
void
Note_column::do_pre_processing()
{
- if (!dir_&& !stem_l_)
+
+ if (!dir_)
{
- dir_ = (head_positions_interval().center () >= 5) ? DOWN:UP;
+ if (stem_l_)
+ dir_ = stem_l_->dir_;
+ else if (head_l_arr_.size ())
+ {
+ dir_ = (head_positions_interval().center () >= 5) ? DOWN:UP;
+ }
}
- Head_column::do_pre_processing();
+ Script_column::do_pre_processing();
}
+
+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);
+}
+
+void
+Note_column::add_script (Script *script_l)
+{
+ Script_column::add_script (script_l) ;
+ if (stem_l_)
+ script_l->set_stem (stem_l_);
+}
+
+void
+Note_column::do_substitute_dependency (Score_element*o, Score_element*n)
+{
+ if (stem_l_ == o)
+ {
+ stem_l_ = n ? (Stem*)dynamic_cast <Item *> (n):0;
+ }
+ if (o->is_type_b (Note_head::static_name ()))
+ {
+ head_l_arr_.substitute ((Note_head*)dynamic_cast <Item *> (o),
+ (n)? (Note_head*)dynamic_cast <Item *> (n) : 0);
+ }
+ Script_column::do_substitute_dependency (o,n);
+ if (o->is_type_b (Rest::static_name ()))
+ {
+ rest_l_arr_.substitute ((Rest*)dynamic_cast <Item *> (o),
+ (n)? (Rest*)dynamic_cast <Item *> (n) : 0);
+ }
+}
+
+void
+Note_column::add_head (Rhythmic_head *h)
+{
+ if (h->is_type_b (Rest::static_name ()))
+ {
+ rest_l_arr_.push ((Rest*)h);
+ add_support (h);
+ }
+ if (h->is_type_b (Note_head::static_name ()))
+ {
+ head_l_arr_.push ((Note_head*) h);
+ add_support (h);
+ }
+}
+
+/**
+ translate the rest symbols
+ */
+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;
+}
+
+void
+Note_column::do_print() const
+{
+#ifndef NPRINT
+ DOUT << "rests: " << rest_l_arr_.size() << ", ";
+ DOUT << "heads: " << head_l_arr_.size();
+#endif
+}
+
+void
+Note_column::set_dotcol (Dot_column *d)
+{
+ add_element (d);
+}