2 note-column.cc -- implement Note_column
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
8 #include "dot-column.hh"
9 #include "note-column.hh"
11 #include "note-head.hh"
16 IMPLEMENT_IS_TYPE_B1(Note_column,Script_column);
19 Note_column::rest_b () const
21 return rest_l_arr_.size ();
24 Note_column::Note_column()
34 head_l_arr_.sort (Note_head::compare);
38 Note_column::head_positions_interval() const
40 ((Note_column*)this)->sort();
41 return Interval_t<int> (head_l_arr_[0]->position_i_,
42 head_l_arr_.top()->position_i_);
47 Note_column::width () const
49 if (head_l_arr_.size ())
50 return head_l_arr_[0]->width ();
52 return Interval (0,0);
56 Note_column::do_pre_processing()
63 else if (head_l_arr_.size ())
65 dir_ = (head_positions_interval().center () >= 5) ? DOWN:UP;
68 Script_column::do_pre_processing();
74 Note_column::set_stem (Stem * stem_l)
79 don't add stem to support; mostly invisible for rest-columns (and possibly taken . .)
81 Score_element::add_dependency (stem_l);
82 for (int i=0; i < script_l_arr_.size(); i++)
83 script_l_arr_[i]->set_stem (stem_l);
87 Note_column::add_script (Script *script_l)
89 Script_column::add_script (script_l) ;
91 script_l->set_stem (stem_l_);
95 Note_column::do_substitute_dependency (Score_element*o, Score_element*n)
99 stem_l_ = n ? (Stem*)n->access_Item ():0;
101 if (o->is_type_b (Note_head::static_name ()))
103 head_l_arr_.substitute ((Note_head*)o->access_Item (),
104 (n)? (Note_head*)n->access_Item () : 0);
106 Script_column::do_substitute_dependency (o,n);
107 if (o->is_type_b (Rest::static_name ()))
109 rest_l_arr_.substitute ((Rest*)o->access_Item (),
110 (n)? (Rest*)n->access_Item () : 0);
115 Note_column::add_head (Rhythmic_head *h)
117 if (h->is_type_b (Rest::static_name ()))
119 rest_l_arr_.push ((Rest*)h);
122 if (h->is_type_b (Note_head::static_name ()))
124 head_l_arr_.push ((Note_head*) h);
130 translate the rest symbols
133 Note_column::translate_rests (int dy_i)
135 invalidate_cache (Y_AXIS);
136 for (int i=0; i < rest_l_arr_.size(); i++)
137 rest_l_arr_[i]->position_i_ += dy_i;
141 Note_column::do_print() const
144 DOUT << "rests: " << rest_l_arr_.size() << ", ";
145 DOUT << "heads: " << head_l_arr_.size();
150 Note_column::set_dotcol (Dot_column *d)