2 slur-grav.cc -- implement Slur_engraver
4 (c) 1997--1999 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 Translator_group *where = daddy_trans_l_;
33 get_property ("slurMelismaBusy", &where);
35 where = daddy_trans_l_;
37 daddy_trans_l_->set_property ("slurMelismaBusy", m ? "1" :"0");
41 Slur_engraver::acknowledge_element (Score_element_info info)
43 if (dynamic_cast<Note_column *> (info.elem_l_))
45 Note_column *col_l =dynamic_cast<Note_column *> (info.elem_l_) ;// ugh
46 for (int i = 0; i < slur_l_stack_.size(); i++)
47 slur_l_stack_[i]->add_column (col_l);
48 for (int i = 0; i < end_slur_l_arr_.size(); i++)
49 end_slur_l_arr_[i]->add_column (col_l);
54 Slur_engraver::do_removal_processing ()
56 for (int i = 0; i < slur_l_stack_.size(); i++)
58 typeset_element (slur_l_stack_[i]);
60 slur_l_stack_.clear ();
61 if (!get_property ("weAreGraceContext",0).to_bool ())
62 for (int i=0; i < requests_arr_.size(); i++)
64 requests_arr_[i]->warning (_ ("unterminated slur"));
69 Slur_engraver::do_process_requests()
71 Array<Slur*> start_slur_l_arr_;
72 for (int i=0; i< new_slur_req_l_arr_.size(); i++)
74 Span_req* slur_req_l = new_slur_req_l_arr_[i];
75 // end slur: move the slur to other array
76 if (slur_req_l->span_dir_ == STOP)
78 if (slur_l_stack_.empty())
80 slur_req_l->warning (_f ("can't find both ends of %s", _("slur")));
83 end_slur_l_arr_.push (slur_l_stack_.pop());
87 else if (slur_req_l->span_dir_ == START)
89 // push a new slur onto stack.
90 //(use temp. array to wait for all slur STOPs)
92 Scalar prop = get_property ("slurDash", 0);
94 s_p->set_elt_property (dashed_scm_sym, gh_int2scm(prop));
96 requests_arr_.push (slur_req_l);
97 start_slur_l_arr_.push (s_p);
98 announce_element (Score_element_info (s_p, slur_req_l));
101 for (int i=0; i < start_slur_l_arr_.size(); i++)
102 slur_l_stack_.push (start_slur_l_arr_[i]);
106 Slur_engraver::do_pre_move_processing()
108 Scalar dir (get_property ("slurVerticalDirection", 0));
109 Scalar dir2 (get_property ("verticalDirection", 0));
111 Direction slurdir = CENTER;
112 if (dir.length_i () && dir.isnum_b ())
113 slurdir = (Direction) sign (int(dir));
114 else if (dir2.length_i () && dir2.isnum_b ())
115 slurdir = (Direction) sign (int (dir2));
117 for (int i = 0; i < end_slur_l_arr_.size(); i++)
119 end_slur_l_arr_[i]->dir_ = slurdir;
120 typeset_element (end_slur_l_arr_[i]);
122 end_slur_l_arr_.clear();
126 Slur_engraver::do_post_move_processing()
128 new_slur_req_l_arr_.clear();
129 if (get_property ("automaticMelismas",0).to_bool ())
131 set_melisma (slur_l_stack_.size ());
136 ADD_THIS_TRANSLATOR(Slur_engraver);