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"
15 Slur_engraver::do_try_music (Music *req_l)
17 if (Span_req *sl = dynamic_cast <Span_req *> (req_l))
19 if (sl->span_type_str_ != "slur")
21 new_slur_req_l_arr_.push (sl);
28 Slur_engraver::acknowledge_element (Score_element_info info)
30 if (dynamic_cast<Note_column *> (info.elem_l_))
32 Note_column *col_l =dynamic_cast<Note_column *> (info.elem_l_) ;// ugh
33 for (int i = 0; i < slur_l_stack_.size(); i++)
34 slur_l_stack_[i]->add_column (col_l);
35 for (int i = 0; i < end_slur_l_arr_.size(); i++)
36 end_slur_l_arr_[i]->add_column (col_l);
41 Slur_engraver::do_removal_processing ()
43 for (int i = 0; i < slur_l_stack_.size(); i++)
45 typeset_element (slur_l_stack_[i]);
47 slur_l_stack_.clear ();
48 for (int i=0; i < requests_arr_.size(); i++)
50 requests_arr_[i]->warning (_ ("unterminated slur"));
55 Slur_engraver::do_process_requests()
57 Array<Slur*> start_slur_l_arr_;
58 for (int i=0; i< new_slur_req_l_arr_.size(); i++)
60 Span_req* slur_req_l = new_slur_req_l_arr_[i];
61 // end slur: move the slur to other array
62 if (slur_req_l->span_dir_ == STOP)
64 if (slur_l_stack_.empty())
66 slur_req_l->warning (_f ("can't find both ends of %s", _("slur")));
69 end_slur_l_arr_.push (slur_l_stack_.pop());
73 else if (slur_req_l->span_dir_ == START)
75 // push a new slur onto stack.
76 //(use temp. array to wait for all slur STOPs)
78 Scalar prop = get_property ("slurdash", 0);
80 s_p->set_elt_property (dashed_scm_sym, gh_int2scm(prop));
82 requests_arr_.push (slur_req_l);
83 start_slur_l_arr_.push (s_p);
84 announce_element (Score_element_info (s_p, slur_req_l));
87 for (int i=0; i < start_slur_l_arr_.size(); i++)
88 slur_l_stack_.push (start_slur_l_arr_[i]);
92 Slur_engraver::do_pre_move_processing()
94 Scalar dir (get_property ("slurVerticalDirection", 0));
95 Scalar dir2 (get_property ("verticalDirection", 0));
97 Direction slurdir = CENTER;
98 if (dir.length_i () && dir.isnum_b ())
99 slurdir = (Direction) sign (int(dir));
100 else if (dir2.length_i () && dir2.isnum_b ())
101 slurdir = (Direction) sign (int (dir2));
103 for (int i = 0; i < end_slur_l_arr_.size(); i++)
105 end_slur_l_arr_[i]->dir_ = slurdir;
106 typeset_element (end_slur_l_arr_[i]);
108 end_slur_l_arr_.clear();
112 Slur_engraver::do_post_move_processing()
114 new_slur_req_l_arr_.clear();
118 ADD_THIS_TRANSLATOR(Slur_engraver);