2 slur-reg.cc -- implement Slur_engraver
4 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
9 #include "musical-request.hh"
10 #include "slur-grav.hh"
13 #include "note-column.hh"
16 Slur_engraver::do_try_request (Request *req_l)
18 Musical_req *mus_l = req_l->musical();
19 if (!mus_l || !mus_l->slur())
22 new_slur_req_l_arr_.push (mus_l->slur());
27 Slur_engraver::acknowledge_element (Score_elem_info info)
29 if (info.elem_l_->name() == Note_column::static_name ())
31 Note_column *col_l =(Note_column*) info.elem_l_->item() ;// ugh
32 for (int i = 0; i < slur_l_stack_.size(); i++)
33 slur_l_stack_[i]->add (col_l);
34 for (int i = 0; i < end_slur_l_arr_.size(); i++)
35 end_slur_l_arr_[i]->add (col_l);
40 Slur_engraver::set_feature (Feature f)
42 if (f.type_ == "vdir")
43 dir_ = (Direction)int(f.value_);
49 Slur_engraver::Slur_engraver()
54 Slur_engraver::do_process_requests()
56 Array<Slur*> start_slur_l_arr_;
57 for (int i=0; i< new_slur_req_l_arr_.size(); i++)
59 Slur_req* slur_req_l = new_slur_req_l_arr_[i];
60 // end slur: move the slur to other array
61 if (slur_req_l->spantype == Span_req::STOP)
63 if (slur_l_stack_.empty())
65 slur_req_l->warning ("can't find slur to end");
68 end_slur_l_arr_.push (slur_l_stack_.pop());
72 else if (slur_req_l->spantype == Span_req::START)
74 // push a new slur onto stack.
75 //(use temp. array to wait for all slur STOPs)
77 requests_arr_.push (slur_req_l);
78 start_slur_l_arr_.push (s_p);
79 announce_element (Score_elem_info (s_p, slur_req_l));
82 for (int i=0; i < start_slur_l_arr_.size(); i++)
83 slur_l_stack_.push (start_slur_l_arr_[i]);
87 Slur_engraver::do_pre_move_processing()
89 for (int i = 0; i < end_slur_l_arr_.size(); i++)
92 end_slur_l_arr_[i]->dir_ = dir_;
93 typeset_element (end_slur_l_arr_[i]);
95 end_slur_l_arr_.clear();
99 Slur_engraver::do_post_move_processing()
101 new_slur_req_l_arr_.clear();
103 Slur_engraver::~Slur_engraver()
105 for (int i=0; i < requests_arr_.size(); i++)
107 requests_arr_[i]->warning ("unterminated slur");
111 IMPLEMENT_IS_TYPE_B1(Slur_engraver,Engraver);
112 ADD_THIS_ENGRAVER(Slur_engraver);