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 Musical_req *mus_l = dynamic_cast <Musical_req *> (req_l);
18 if (Slur_req *sl = dynamic_cast <Slur_req *> (mus_l))
20 new_slur_req_l_arr_.push (dynamic_cast <Slur_req *> (mus_l));
27 Slur_engraver::acknowledge_element (Score_element_info info)
29 if (dynamic_cast<Note_column *> (info.elem_l_))
31 Note_column *col_l =dynamic_cast<Note_column *> (info.elem_l_) ;// 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_ == 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_ == START)
74 // push a new slur onto stack.
75 //(use temp. array to wait for all slur STOPs)
77 Scalar prop = get_property ("slurdash", 0);
79 s_p->set_elt_property (dashed_scm_sym, gh_int2scm(prop));
81 requests_arr_.push (slur_req_l);
82 start_slur_l_arr_.push (s_p);
83 announce_element (Score_element_info (s_p, slur_req_l));
86 for (int i=0; i < start_slur_l_arr_.size(); i++)
87 slur_l_stack_.push (start_slur_l_arr_[i]);
91 Slur_engraver::do_pre_move_processing()
93 Scalar dir (get_property ("slurydirection", 0));
94 Scalar dir2 (get_property ("ydirection", 0));
96 Direction slurdir = CENTER;
97 if (dir.length_i () && dir.isnum_b ())
98 slurdir = (Direction) sign (int(dir));
99 else if (dir2.length_i () && dir2.isnum_b ())
100 slurdir = (Direction) sign (int (dir2));
102 for (int i = 0; i < end_slur_l_arr_.size(); i++)
104 end_slur_l_arr_[i]->dir_ = slurdir;
105 typeset_element (end_slur_l_arr_[i]);
107 end_slur_l_arr_.clear();
111 Slur_engraver::do_post_move_processing()
113 new_slur_req_l_arr_.clear();
117 ADD_THIS_TRANSLATOR(Slur_engraver);