2 dynamic-reg.cc -- implement Dynamic_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
9 #include "crescendo.hh"
10 #include "dynamic-grav.hh"
11 #include "musical-request.hh"
12 #include "text-item.hh"
14 #include "paper-def.hh"
15 #include "score-column.hh"
16 #include "staff-sym.hh"
17 #include "note-column.hh"
19 Dynamic_engraver::Dynamic_engraver()
22 do_post_move_processing();
24 to_end_cresc_p_ = cresc_p_ = 0;
29 Dynamic_engraver::do_post_move_processing()
31 dynamic_req_l_arr_.clear();
35 Dynamic_engraver::do_try_request (Request * r)
37 Musical_req * m = r->musical();
38 if (!m || !m->dynamic())
40 dynamic_req_l_arr_.push (m->dynamic());
44 Dynamic_engraver::do_process_requests()
46 Crescendo* new_cresc_p=0;
47 for (int i=0; i < dynamic_req_l_arr_.size(); i++)
49 Dynamic_req *dreq_l = dynamic_req_l_arr_[i];
50 if (dreq_l->absdynamic())
52 Text_def * td_p = new Text_def;
54 String loud =Dynamic_req::loudness_str (
55 dreq_l->absdynamic()->loudness_);
57 td_p->text_str_ = paper()->lookup_l ()->dynamic (loud).tex;
58 td_p->style_str_ = "dynamic";
60 assert (!dynamic_p_) ; // TODO
62 dynamic_p_ = new Text_item (td_p);
63 announce_element (Score_elem_info (dynamic_p_, dreq_l));
65 else if (dreq_l->span_dynamic())
68 Span_dynamic_req* span_l = dreq_l->span_dynamic();
69 if (span_l->spantype == Span_req::STOP)
73 span_l->warning ("Can't find cresc to end ");
77 assert (!to_end_cresc_p_);
78 to_end_cresc_p_ =cresc_p_;
82 else if (span_l->spantype == Span_req::START)
84 cresc_req_l_ = span_l;
85 assert (!new_cresc_p);
86 new_cresc_p = new Crescendo;
87 new_cresc_p->grow_dir_i_ = span_l->dynamic_dir_i_;
88 announce_element (Score_elem_info (new_cresc_p, span_l));
95 cresc_p_ = new_cresc_p;
96 cresc_p_->left_col_l_ = get_staff_info().musical_l ();
99 cresc_p_->left_dyn_b_ = true;
105 Dynamic_engraver::do_pre_move_processing()
107 Staff_symbol* s_l = get_staff_info().staff_sym_l_;
110 dynamic_p_->set_staffsym (s_l);
111 typeset_element (dynamic_p_);
114 if ( to_end_cresc_p_)
117 to_end_cresc_p_->right_dyn_b_=true;
119 to_end_cresc_p_->right_col_l_ = get_staff_info().musical_l ();
120 to_end_cresc_p_->set_staffsym (s_l);
121 typeset_element (to_end_cresc_p_);
127 Dynamic_engraver::set_feature (Feature i)
129 if (i.type_ == "vdir")
134 IMPLEMENT_IS_TYPE_B1(Dynamic_engraver,Engraver);
135 ADD_THIS_ENGRAVER(Dynamic_engraver);
137 Dynamic_engraver::~Dynamic_engraver()
140 delete to_end_cresc_p_;
143 cresc_req_l_->warning ("unended crescendo");
148 Dynamic_engraver::acknowledge_element (Score_elem_info i)
150 if (i.elem_l_->name() == Note_column::static_name ())
152 if (dynamic_p_) dynamic_p_->add_support (i.elem_l_);
154 to_end_cresc_p_->add_support (i.elem_l_);
156 cresc_p_->add_support (i.elem_l_);