X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Frest-engraver.cc;h=4bcca6f9d343c2b987c2af4360729d768eb0ee15;hb=0b544cfb7332615ef809b71b57ab656741311ae1;hp=84d193dbc874940446b547e2f5f2d0f1214f5704;hpb=f2c2c5c43858f323e4708f83fd97e0f38017c275;p=lilypond.git diff --git a/lily/rest-engraver.cc b/lily/rest-engraver.cc index 84d193dbc8..4bcca6f9d3 100644 --- a/lily/rest-engraver.cc +++ b/lily/rest-engraver.cc @@ -1,31 +1,43 @@ /* - rest-engraver.cc -- implement Rest_engraver + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1997--2014 Han-Wen Nienhuys - (c) 1997--2005 Han-Wen Nienhuys + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ #include "engraver.hh" +#include "dots.hh" #include "duration.hh" #include "item.hh" -#include "staff-symbol-referencer.hh" -#include "dots.hh" +#include "pitch.hh" #include "rhythmic-head.hh" -#include "music.hh" +#include "staff-symbol-referencer.hh" +#include "stream-event.hh" +#include "translator.icc" class Rest_engraver : public Engraver { - Music *rest_event_; + Stream_event *rest_event_; Item *dot_; Grob *rest_; protected: - virtual bool try_music (Music *); - PRECOMPUTED_VIRTUAL void start_translation_timestep (); - PRECOMPUTED_VIRTUAL void process_music (); - + void start_translation_timestep (); + void process_music (); + DECLARE_TRANSLATOR_LISTENER (rest); public: TRANSLATOR_DECLARATIONS (Rest_engraver); }; @@ -48,64 +60,43 @@ Rest_engraver::start_translation_timestep () dot_ = 0; } - void Rest_engraver::process_music () { if (rest_event_ && !rest_) { rest_ = make_item ("Rest", rest_event_->self_scm ()); - - int durlog = unsmob_duration (rest_event_->get_property ("duration"))->duration_log (); - - rest_->set_property ("duration-log", - scm_int2num (durlog)); - - int dots = unsmob_duration (rest_event_->get_property ("duration"))->dot_count (); - - if (dots) - { - dot_ = make_item ("Dots", SCM_EOL); - - Rhythmic_head::set_dots (rest_, dot_); - dot_->set_parent (rest_, Y_AXIS); - dot_->set_property ("dot-count", scm_int2num (dots)); - } - Pitch *p = unsmob_pitch (rest_event_->get_property ("pitch")); - /* - This is ridiculous -- rests don't have pitch, but we act as if - our nose is bleeding. - */ if (p) - { - int pos = p->steps (); - SCM c0 = get_property ("middleCPosition"); - if (scm_is_number (c0)) - pos += scm_to_int (c0); - - rest_->set_property ("staff-position", scm_int2num (pos)); - } + { + int pos = p->steps (); + SCM c0 = get_property ("middleCPosition"); + if (scm_is_number (c0)) + pos += scm_to_int (c0); + + rest_->set_property ("staff-position", scm_from_int (pos)); + } } } -bool -Rest_engraver::try_music (Music *m) +IMPLEMENT_TRANSLATOR_LISTENER (Rest_engraver, rest); +void +Rest_engraver::listen_rest (Stream_event *ev) { - if (m->is_mus_type ("rest-event")) - { - rest_event_ = m; - return true; - } - return false; + ASSIGN_EVENT_ONCE (rest_event_, ev); } -#include "translator.icc" - ADD_TRANSLATOR (Rest_engraver, - /* descr */ "", - /* creats*/ "Rest Dots", - /* accepts */ "rest-event", - /* reads */ "middleCPosition", - /* write */ ""); + /* doc */ + "Engrave rests.", + + /* create */ + "Rest ", + + /* read */ + "middleCPosition ", + + /* write */ + "" + );