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 (Slur_req *sl = dynamic_cast <Slur_req *> (req_l))
19 new_slur_req_l_arr_.push (sl);
26 Slur_engraver::acknowledge_element (Score_element_info info)
28 if (dynamic_cast<Note_column *> (info.elem_l_))
30 Note_column *col_l =dynamic_cast<Note_column *> (info.elem_l_) ;// ugh
31 for (int i = 0; i < slur_l_stack_.size(); i++)
32 slur_l_stack_[i]->add_column (col_l);
33 for (int i = 0; i < end_slur_l_arr_.size(); i++)
34 end_slur_l_arr_[i]->add_column (col_l);
39 Slur_engraver::do_removal_processing ()
41 for (int i = 0; i < slur_l_stack_.size(); i++)
43 typeset_element (slur_l_stack_[i]);
45 slur_l_stack_.clear ();
46 for (int i=0; i < requests_arr_.size(); i++)
48 requests_arr_[i]->warning (_ ("unterminated slur"));
53 Slur_engraver::do_process_requests()
55 Array<Slur*> start_slur_l_arr_;
56 for (int i=0; i< new_slur_req_l_arr_.size(); i++)
58 Slur_req* slur_req_l = new_slur_req_l_arr_[i];
59 // end slur: move the slur to other array
60 if (slur_req_l->spantype_ == STOP)
62 if (slur_l_stack_.empty())
64 slur_req_l->warning (_f ("can't find both ends of %s", _("slur")));
67 end_slur_l_arr_.push (slur_l_stack_.pop());
71 else if (slur_req_l->spantype_ == START)
73 // push a new slur onto stack.
74 //(use temp. array to wait for all slur STOPs)
76 Scalar prop = get_property ("slurdash", 0);
78 s_p->set_elt_property (dashed_scm_sym, gh_int2scm(prop));
80 requests_arr_.push (slur_req_l);
81 start_slur_l_arr_.push (s_p);
82 announce_element (Score_element_info (s_p, slur_req_l));
85 for (int i=0; i < start_slur_l_arr_.size(); i++)
86 slur_l_stack_.push (start_slur_l_arr_[i]);
90 Slur_engraver::do_pre_move_processing()
92 Scalar dir (get_property ("slurydirection", 0));
93 Scalar dir2 (get_property ("ydirection", 0));
95 Direction slurdir = CENTER;
96 if (dir.length_i () && dir.isnum_b ())
97 slurdir = (Direction) sign (int(dir));
98 else if (dir2.length_i () && dir2.isnum_b ())
99 slurdir = (Direction) sign (int (dir2));
101 for (int i = 0; i < end_slur_l_arr_.size(); i++)
103 end_slur_l_arr_[i]->dir_ = slurdir;
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();
116 ADD_THIS_TRANSLATOR(Slur_engraver);