2 rhythmic-column-grav.cc -- implement Rhythmic_column_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
11 #include "engraver.hh"
12 #include "rhythmic-head.hh"
14 #include "note-column.hh"
15 #include "dot-column.hh"
16 #include "musical-request.hh"
19 class Rhythmic_column_engraver :public Engraver
21 Link_array<Score_element> rhead_l_arr_;
22 Link_array<Slur> grace_slur_endings_;
23 Score_element * stem_l_;
25 Score_element *dotcol_l_;
28 VIRTUAL_COPY_CONS(Translator);
29 virtual void acknowledge_element (Score_element_info);
30 virtual void process_acknowledged ();
31 virtual void do_pre_move_processing();
32 virtual void do_post_move_processing();
34 Rhythmic_column_engraver();
40 Rhythmic_column_engraver::Rhythmic_column_engraver()
49 Rhythmic_column_engraver::process_acknowledged ()
51 if (rhead_l_arr_.size ())
55 ncol_p_ = new Note_column (get_property("basicNoteColumnProperties"));
56 announce_element (Score_element_info (ncol_p_, 0));
59 for (int i=0; i < rhead_l_arr_.size (); i++)
61 if (!rhead_l_arr_[i]->parent_l(X_AXIS))
62 ncol_p_->add_head (rhead_l_arr_[i]);
64 rhead_l_arr_.set_size (0);
71 && !dotcol_l_->parent_l (X_AXIS))
73 ncol_p_->set_dotcol (dotcol_l_);
77 && !stem_l_->parent_l(X_AXIS))
79 ncol_p_->set_stem (stem_l_);
83 SCM wg = get_property ("weAreGraceContext");
84 bool wegrace = to_boolean (wg);
87 for (int i=0; i < grace_slur_endings_.size(); i++)
88 grace_slur_endings_[i]->add_column (ncol_p_);
89 grace_slur_endings_.clear ();
94 Rhythmic_column_engraver::acknowledge_element (Score_element_info i)
96 SCM wg = get_property ("weAreGraceContext");
97 bool wegrace = to_boolean (wg);
98 if (wegrace != to_boolean (i.elem_l_->get_elt_property ("grace"))
99 && !dynamic_cast<Slur*> (i.elem_l_))
102 Item * item = dynamic_cast <Item *> (i.elem_l_);
103 if (item && Stem::has_interface (item))
107 else if (item && Rhythmic_head::has_interface (item))
109 rhead_l_arr_.push (item);
111 else if (item && Dot_column::has_interface (item))
115 else if (Slur *s = dynamic_cast<Slur*> (i.elem_l_))
118 end slurs starting on grace notes
121 if (to_boolean (s->get_elt_property ("grace")))
122 grace_slur_endings_.push (s);
127 Rhythmic_column_engraver::do_pre_move_processing()
131 typeset_element (ncol_p_);
137 Rhythmic_column_engraver::do_post_move_processing()
139 grace_slur_endings_.clear ();
144 ADD_THIS_TRANSLATOR(Rhythmic_column_engraver);