X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fslur-engraver.cc;h=79f04d6203cf6b0f7bc41897a2c401a0b0b38064;hb=8728963f044314a2721f39e06c3df687e47a5097;hp=4bf349656d8354ddcec864ca74faea104fbefc6e;hpb=f6e3a77381e8eb67aa01195ec3945bd978f86aa8;p=lilypond.git diff --git a/lily/slur-engraver.cc b/lily/slur-engraver.cc index 4bf349656d..79f04d6203 100644 --- a/lily/slur-engraver.cc +++ b/lily/slur-engraver.cc @@ -1,126 +1,295 @@ /* - slur-grav.cc -- implement Slur_engraver + This file is part of LilyPond, the GNU music typesetter. - (c) 1997--1999 Han-Wen Nienhuys + Copyright (C) 1997--2012 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 "proto.hh" -#include "musical-request.hh" -#include "slur-engraver.hh" -#include "slur.hh" -#include "debug.hh" +#include "engraver.hh" + +#include "context.hh" +#include "directional-element-interface.hh" +#include "international.hh" #include "note-column.hh" -#include "translator-group.hh" +#include "slur.hh" +#include "spanner.hh" +#include "stream-event.hh" +#include "warn.hh" + +#include "translator.icc" + +/* + NOTE NOTE NOTE + + This is largely similar to Phrasing_slur_engraver. Check if fixes + apply there too. -bool -Slur_engraver::do_try_music (Music *req_l) + (on principle, engravers don't use inheritance for code sharing) + + */ + +/* + It is possible that a slur starts and ends on the same note. At + least, it is for phrasing slurs: a note can be both beginning and + ending of a phrase. +*/ +class Slur_engraver : public Engraver { - if (Span_req *sl = dynamic_cast (req_l)) - { - if (sl->span_type_str_ != "slur") - return false; - new_slur_req_l_arr_.push (sl); + vector start_events_; + vector stop_events_; + vector slurs_; + vector end_slurs_; + vector objects_to_acknowledge_; - return true; - } - return false; + void set_melisma (bool); + +protected: + DECLARE_TRANSLATOR_LISTENER (slur); + DECLARE_ACKNOWLEDGER (inline_accidental); + DECLARE_ACKNOWLEDGER (fingering); + DECLARE_ACKNOWLEDGER (note_column); + DECLARE_ACKNOWLEDGER (script); + DECLARE_ACKNOWLEDGER (dots); + DECLARE_ACKNOWLEDGER (text_script); + DECLARE_ACKNOWLEDGER (tie); + DECLARE_ACKNOWLEDGER (tuplet_number); + + void acknowledge_extra_object (Grob_info); + void stop_translation_timestep (); + void process_music (); + + virtual void finalize (); + +public: + TRANSLATOR_DECLARATIONS (Slur_engraver); +}; + +Slur_engraver::Slur_engraver () +{ +} + +IMPLEMENT_TRANSLATOR_LISTENER (Slur_engraver, slur); +void +Slur_engraver::listen_slur (Stream_event *ev) +{ + Direction d = to_dir (ev->get_property ("span-direction")); + if (d == START) + start_events_.push_back (ev); + else if (d == STOP) + stop_events_.push_back (ev); + else ev->origin ()->warning (_f ("direction of %s invalid: %d", + "slur-event", int (d))); } void Slur_engraver::set_melisma (bool m) { - Translator_group *where = daddy_trans_l_; - get_property ("slurMelismaBusy", &where); - if (!where) - where = daddy_trans_l_; - - daddy_trans_l_->set_property ("slurMelismaBusy", m ? SCM_BOOL_T :SCM_BOOL_F); + context ()->set_property ("slurMelismaBusy", m ? SCM_BOOL_T : SCM_BOOL_F); } void -Slur_engraver::acknowledge_element (Score_element_info info) +Slur_engraver::acknowledge_note_column (Grob_info info) { - if (dynamic_cast (info.elem_l_)) - { - Note_column *col_l =dynamic_cast (info.elem_l_) ;// ugh - for (int i = 0; i < slur_l_stack_.size(); i++) - slur_l_stack_[i]->add_column (col_l); - for (int i = 0; i < end_slur_l_arr_.size(); i++) - end_slur_l_arr_[i]->add_column (col_l); - } + Grob *e = info.grob (); + for (vsize i = slurs_.size (); i--;) + Slur::add_column (slurs_[i], e); + for (vsize i = end_slurs_.size (); i--;) + Slur::add_column (end_slurs_[i], e); } void -Slur_engraver::do_removal_processing () +Slur_engraver::acknowledge_extra_object (Grob_info info) { - for (int i = 0; i < slur_l_stack_.size(); i++) - { - typeset_element (slur_l_stack_[i]); - } - slur_l_stack_.clear (); - SCM wg = get_property ("weAreGraceContext",0); - bool wgb = to_boolean (wg); - if (!wgb) - for (int i=0; i < requests_arr_.size(); i++) - { - requests_arr_[i]->warning (_ ("unterminated slur")); - } + objects_to_acknowledge_.push_back (info); +} + +void +Slur_engraver::acknowledge_inline_accidental (Grob_info info) +{ + acknowledge_extra_object (info); +} + +void +Slur_engraver::acknowledge_dots (Grob_info info) +{ + acknowledge_extra_object (info); } void -Slur_engraver::do_process_requests() +Slur_engraver::acknowledge_fingering (Grob_info info) { - Array start_slur_l_arr_; - for (int i=0; i< new_slur_req_l_arr_.size(); i++) + acknowledge_extra_object (info); +} + +void +Slur_engraver::acknowledge_tuplet_number (Grob_info info) +{ + acknowledge_extra_object (info); +} + +void +Slur_engraver::acknowledge_script (Grob_info info) +{ + if (!info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface"))) + acknowledge_extra_object (info); +} + +void +Slur_engraver::acknowledge_text_script (Grob_info info) +{ + acknowledge_extra_object (info); +} + +void +Slur_engraver::acknowledge_tie (Grob_info info) +{ + acknowledge_extra_object (info); +} + +void +Slur_engraver::finalize () +{ + for (vsize i = 0; i < slurs_.size (); i++) { - Span_req* slur_req_l = new_slur_req_l_arr_[i]; - // end slur: move the slur to other array - if (slur_req_l->span_dir_ == STOP) - { - if (slur_l_stack_.empty()) - - slur_req_l->warning (_f ("Can't find both ends of %s", _("slur"))); - else - { - end_slur_l_arr_.push (slur_l_stack_.pop()); - requests_arr_.pop(); - } - } - else if (slur_req_l->span_dir_ == START) - { - // push a new slur onto stack. - //(use temp. array to wait for all slur STOPs) - Slur * s_p =new Slur; - - requests_arr_.push (slur_req_l); - start_slur_l_arr_.push (s_p); - announce_element (Score_element_info (s_p, slur_req_l)); - } + slurs_[i]->warning (_ ("unterminated slur")); + slurs_[i]->suicide (); } - for (int i=0; i < start_slur_l_arr_.size(); i++) - slur_l_stack_.push (start_slur_l_arr_[i]); } void -Slur_engraver::do_pre_move_processing() +Slur_engraver::process_music () { - for (int i = 0; i < end_slur_l_arr_.size(); i++) + for (vsize i = 0; i < stop_events_.size (); i++) + { + Stream_event *ev = stop_events_[i]; + string id = robust_scm2string (ev->get_property ("spanner-id"), ""); + + // Find the slur that is ended with this event (by checking the spanner-id) + bool ended = false; + SCM starter = SCM_BOOL_F; + for (vsize j = slurs_.size (); j--;) + { + if (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), "")) + { + // We end only one slur unless several ones have been + // caused by the same event, like with double slurs. + if (!ended || scm_is_eq (starter, + slurs_[j]->get_property ("cause"))) + { + ended = true; + starter = slurs_[j]->get_property ("cause"); + end_slurs_.push_back (slurs_[j]); + slurs_.erase (slurs_.begin () + j); + } + } + } + if (!ended) + ev->origin ()->warning (_ ("cannot end slur")); + } + + for (vsize i = start_events_.size (); i--;) { - typeset_element (end_slur_l_arr_[i]); + Stream_event *ev = start_events_[i]; + string id = robust_scm2string (ev->get_property ("spanner-id"), ""); + bool have_slur = false; + // Check if we already have a slur with the same spanner-id. + // In that case, don't create a new slur, but print a warning + for (vsize j = 0; j < slurs_.size (); j++) + have_slur = have_slur || (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), "")); + + if (have_slur) + { + // We already have a slur, so give a warning and completely ignore + // the new slur. + ev->origin ()->warning (_ ("already have slur")); + start_events_.erase (start_events_.begin () + i); + } + } + for (vsize i = start_events_.size (); i--;) + { + Stream_event *ev = start_events_[i]; + string id = robust_scm2string (ev->get_property ("spanner-id"), ""); + + Grob *slur = make_spanner ("Slur", ev->self_scm ()); + Direction updown = to_dir (ev->get_property ("direction")); + slur->set_property ("spanner-id", ly_string2scm (id)); + if (updown) + set_grob_direction (slur, updown); + slurs_.push_back (slur); + + if (to_boolean (get_property ("doubleSlurs"))) + { + set_grob_direction (slur, DOWN); + slur = make_spanner ("Slur", ev->self_scm ()); + slur->set_property ("spanner-id", ly_string2scm (id)); + set_grob_direction (slur, UP); + slurs_.push_back (slur); + } } - end_slur_l_arr_.clear(); + set_melisma (slurs_.size ()); } void -Slur_engraver::do_post_move_processing() +Slur_engraver::stop_translation_timestep () { - new_slur_req_l_arr_.clear(); - SCM m = get_property ("automaticMelismata",0); - if (to_boolean (m)) + if (Grob *g = unsmob_grob (get_property ("currentCommandColumn"))) + { + for (vsize i = 0; i < end_slurs_.size (); i++) + Slur::add_extra_encompass (end_slurs_[i], g); + + if (!start_events_.size ()) + for (vsize i = 0; i < slurs_.size (); i++) + Slur::add_extra_encompass (slurs_[i], g); + } + + for (vsize i = 0; i < end_slurs_.size (); i++) { - set_melisma (slur_l_stack_.size ()); + Spanner *s = dynamic_cast (end_slurs_[i]); + if (!s->get_bound (RIGHT)) + s->set_bound (RIGHT, unsmob_grob (get_property ("currentMusicalColumn"))); + announce_end_grob (s, SCM_EOL); } + + for (vsize i = 0; i < objects_to_acknowledge_.size (); i++) + Slur::auxiliary_acknowledge_extra_object (objects_to_acknowledge_[i], slurs_, end_slurs_); + + objects_to_acknowledge_.clear (); + end_slurs_.clear (); + start_events_.clear (); + stop_events_.clear (); } +ADD_ACKNOWLEDGER (Slur_engraver, inline_accidental); +ADD_ACKNOWLEDGER (Slur_engraver, fingering); +ADD_ACKNOWLEDGER (Slur_engraver, note_column); +ADD_ACKNOWLEDGER (Slur_engraver, script); +ADD_ACKNOWLEDGER (Slur_engraver, text_script); +ADD_ACKNOWLEDGER (Slur_engraver, dots); +ADD_ACKNOWLEDGER (Slur_engraver, tie); +ADD_ACKNOWLEDGER (Slur_engraver, tuplet_number); +ADD_TRANSLATOR (Slur_engraver, + /* doc */ + "Build slur grobs from slur events.", + + /* create */ + "Slur ", + + /* read */ + "slurMelismaBusy " + "doubleSlurs ", -ADD_THIS_TRANSLATOR(Slur_engraver); + /* write */ + "" + );