2 breathing_sign-engraver.cc -- implement Breathing_sign_engraver
4 Copyright (C) 1999 Michael Krause
6 written for the GNU LilyPond music typesetter
10 . Cancel any beams running through the breathing sign
11 ([e8 \breathe f e f] should become [e8] \breathe [f e f])
12 . Spacing is not yet completely pretty
16 #include "staff-symbol-referencer.hh"
17 #include "breathing-sign.hh"
18 #include "musical-request.hh"
19 #include "command-request.hh"
20 #include "engraver-group-engraver.hh"
21 #include "local-key-item.hh"
22 #include "engraver.hh"
23 #include "command-request.hh"
25 class Breathing_sign_engraver : public Engraver {
27 Breathing_sign_engraver();
28 VIRTUAL_COPY_CONS(Translator);
31 virtual bool do_try_music (Music *req_l);
32 virtual void do_process_music();
34 virtual void do_pre_move_processing();
35 virtual void do_post_move_processing();
38 Breathing_sign_req * breathing_sign_req_l_;
39 Score_element * breathing_sign_p_;
42 Breathing_sign_engraver::Breathing_sign_engraver()
44 breathing_sign_p_ = 0;
45 breathing_sign_req_l_ = 0;
49 Breathing_sign_engraver::do_try_music (Music*r_l)
51 if (Breathing_sign_req * b= dynamic_cast <Breathing_sign_req *> (r_l))
53 breathing_sign_req_l_ = b;
61 Breathing_sign_engraver::do_process_music()
63 if(breathing_sign_req_l_)
65 SCM b = get_property ("basicBreathingSignProperties");
66 breathing_sign_p_ = new Item (b);
68 Breathing_sign::set_interface (breathing_sign_p_);
70 announce_element (Score_element_info (breathing_sign_p_, breathing_sign_req_l_));
75 Breathing_sign_engraver::do_pre_move_processing()
79 typeset_element(breathing_sign_p_);
80 breathing_sign_p_ = 0;
85 Breathing_sign_engraver::do_post_move_processing()
87 breathing_sign_req_l_ = 0;
90 ADD_THIS_TRANSLATOR(Breathing_sign_engraver);