2 slur-grav.cc -- implement Slur_engraver
4 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
8 #include "musical-request.hh"
9 #include "slur-engraver.hh"
12 #include "note-column.hh"
13 #include "translator-group.hh"
16 Slur_engraver::do_try_music (Music *req_l)
18 if (Span_req *sl = dynamic_cast <Span_req *> (req_l))
20 if (sl->span_type_str_ != "slur")
22 new_slur_req_l_arr_.push (sl);
30 Slur_engraver::set_melisma (bool m)
32 daddy_trans_l_->set_property ("slurMelismaBusy", m ? SCM_BOOL_T :SCM_BOOL_F);
36 Slur_engraver::acknowledge_element (Score_element_info info)
38 if (dynamic_cast<Note_column *> (info.elem_l_))
40 Note_column *col_l =dynamic_cast<Note_column *> (info.elem_l_) ;// ugh
41 for (int i = 0; i < slur_l_stack_.size(); i++)
42 slur_l_stack_[i]->add_column (col_l);
43 for (int i = 0; i < end_slur_l_arr_.size(); i++)
44 end_slur_l_arr_[i]->add_column (col_l);
49 Slur_engraver::do_removal_processing ()
51 for (int i = 0; i < slur_l_stack_.size(); i++)
53 typeset_element (slur_l_stack_[i]);
55 slur_l_stack_.clear ();
56 SCM wg = get_property ("weAreGraceContext");
57 bool wgb = to_boolean (wg);
59 for (int i=0; i < requests_arr_.size(); i++)
61 requests_arr_[i]->warning (_ ("unterminated slur"));
66 Slur_engraver::do_process_music()
68 Array<Slur*> start_slur_l_arr_;
69 for (int i=0; i< new_slur_req_l_arr_.size(); i++)
71 Span_req* slur_req_l = new_slur_req_l_arr_[i];
72 // end slur: move the slur to other array
73 if (slur_req_l->span_dir_ == STOP)
75 if (slur_l_stack_.empty())
77 slur_req_l->warning (_f ("can't find both ends of %s", _("slur")));
80 end_slur_l_arr_.push (slur_l_stack_.pop());
84 else if (slur_req_l->span_dir_ == START)
86 // push a new slur onto stack.
87 //(use temp. array to wait for all slur STOPs)
90 requests_arr_.push (slur_req_l);
91 start_slur_l_arr_.push (s_p);
92 announce_element (Score_element_info (s_p, slur_req_l));
95 for (int i=0; i < start_slur_l_arr_.size(); i++)
96 slur_l_stack_.push (start_slur_l_arr_[i]);
100 Slur_engraver::do_pre_move_processing()
102 for (int i = 0; i < end_slur_l_arr_.size(); i++)
104 typeset_element (end_slur_l_arr_[i]);
106 end_slur_l_arr_.clear();
110 Slur_engraver::do_post_move_processing()
112 new_slur_req_l_arr_.clear();
113 SCM m = get_property ("automaticMelismata");
116 set_melisma (slur_l_stack_.size ());
121 ADD_THIS_TRANSLATOR(Slur_engraver);