2 slur-grav.cc -- implement Slur_engraver
4 (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "musical-request.hh"
10 #include "slur-engraver.hh"
13 #include "note-column.hh"
16 Slur_engraver::do_try_request (Request *req_l)
18 Musical_req *mus_l = req_l->access_Musical_req ();
19 if (!mus_l || !mus_l->access_Slur_req ())
22 new_slur_req_l_arr_.push (mus_l->access_Slur_req ());
27 Slur_engraver::acknowledge_element (Score_element_info info)
29 if (info.elem_l_->is_type_b (Note_column::static_name ()))
31 Note_column *col_l =(Note_column*) info.elem_l_->access_Item() ;// ugh
32 for (int i = 0; i < slur_l_stack_.size(); i++)
33 slur_l_stack_[i]->add_column (col_l);
34 for (int i = 0; i < end_slur_l_arr_.size(); i++)
35 end_slur_l_arr_[i]->add_column (col_l);
40 Slur_engraver::do_removal_processing ()
42 for (int i = 0; i < slur_l_stack_.size(); i++)
44 typeset_element (slur_l_stack_[i]);
46 slur_l_stack_.clear ();
47 for (int i=0; i < requests_arr_.size(); i++)
49 requests_arr_[i]->warning (_ ("unterminated slur"));
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 (_f ("can't find both ends of %s", _("slur")));
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 Scalar prop = get_property ("slurdash");
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"));
93 Scalar dir2 (get_property ("ydirection"));
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();
115 IMPLEMENT_IS_TYPE_B1(Slur_engraver,Engraver);
116 ADD_THIS_TRANSLATOR(Slur_engraver);