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 if (!get_property ("weAreGraceContext",0).to_bool ())
49 for (int i=0; i < requests_arr_.size(); i++)
51 requests_arr_[i]->warning (_ ("unterminated slur"));
56 Slur_engraver::do_process_requests()
58 Array<Slur*> start_slur_l_arr_;
59 for (int i=0; i< new_slur_req_l_arr_.size(); i++)
61 Span_req* slur_req_l = new_slur_req_l_arr_[i];
62 // end slur: move the slur to other array
63 if (slur_req_l->span_dir_ == STOP)
65 if (slur_l_stack_.empty())
67 slur_req_l->warning (_f ("can't find both ends of %s", _("slur")));
70 end_slur_l_arr_.push (slur_l_stack_.pop());
74 else if (slur_req_l->span_dir_ == START)
76 // push a new slur onto stack.
77 //(use temp. array to wait for all slur STOPs)
79 Scalar prop = get_property ("slurdash", 0);
81 s_p->set_elt_property (dashed_scm_sym, gh_int2scm(prop));
83 requests_arr_.push (slur_req_l);
84 start_slur_l_arr_.push (s_p);
85 announce_element (Score_element_info (s_p, slur_req_l));
88 for (int i=0; i < start_slur_l_arr_.size(); i++)
89 slur_l_stack_.push (start_slur_l_arr_[i]);
93 Slur_engraver::do_pre_move_processing()
95 Scalar dir (get_property ("slurVerticalDirection", 0));
96 Scalar dir2 (get_property ("verticalDirection", 0));
98 Direction slurdir = CENTER;
99 if (dir.length_i () && dir.isnum_b ())
100 slurdir = (Direction) sign (int(dir));
101 else if (dir2.length_i () && dir2.isnum_b ())
102 slurdir = (Direction) sign (int (dir2));
104 for (int i = 0; i < end_slur_l_arr_.size(); i++)
106 end_slur_l_arr_[i]->dir_ = slurdir;
107 typeset_element (end_slur_l_arr_[i]);
109 end_slur_l_arr_.clear();
113 Slur_engraver::do_post_move_processing()
115 new_slur_req_l_arr_.clear();
119 ADD_THIS_TRANSLATOR(Slur_engraver);