X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fslur-engraver.cc;h=45aa121a71eebd00cf0580fbf6d33ed42febd13d;hb=a811a3c91c05f33474c1d447bedaa1e089522532;hp=1bc7fce62fa35fdcb513921ed2d3e527edc3ae49;hpb=332da9f4d25f9f63a3222efc87fae06b0c7abbdd;p=lilypond.git diff --git a/lily/slur-engraver.cc b/lily/slur-engraver.cc index 1bc7fce62f..45aa121a71 100644 --- a/lily/slur-engraver.cc +++ b/lily/slur-engraver.cc @@ -1,38 +1,76 @@ /* - slur-engraver.cc -- implement Slur_engraver + This file is part of LilyPond, the GNU music typesetter. - (c) 1997--2004 Han-Wen Nienhuys + Copyright (C) 1997--2011 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 "slur.hh" -#include "note-column.hh" +#include "engraver.hh" + #include "context.hh" #include "directional-element-interface.hh" -#include "engraver.hh" +#include "international.hh" +#include "note-column.hh" +#include "slur.hh" #include "spanner.hh" -#include "tie.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. + + (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 { - Drul_array events_; - Music * running_slur_start_; - Link_array slurs_; - Link_array end_slurs_; + vector start_events_; + vector stop_events_; + vector slurs_; + vector end_slurs_; void set_melisma (bool); protected: - virtual bool try_music (Music*); - virtual void acknowledge_grob (Grob_info); - virtual void stop_translation_timestep (); + DECLARE_TRANSLATOR_LISTENER (slur); + DECLARE_ACKNOWLEDGER (accidental); + DECLARE_ACKNOWLEDGER (fingering); + DECLARE_ACKNOWLEDGER (note_column); + DECLARE_ACKNOWLEDGER (script); + 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 (); - virtual void process_music (); + public: TRANSLATOR_DECLARATIONS (Slur_engraver); @@ -40,113 +78,148 @@ public: Slur_engraver::Slur_engraver () { - events_[START] = events_[STOP] = 0; } -bool -Slur_engraver::try_music (Music *m) +IMPLEMENT_TRANSLATOR_LISTENER (Slur_engraver, slur); +void +Slur_engraver::listen_slur (Stream_event *ev) { - if (m->is_mus_type ("slur-event")) - { - Direction d = to_dir (m->get_property ("span-direction")); - if (d == START) - { - events_[START] = m; - return true; - } - else if (d == STOP) - { - events_[STOP] = m; - return true; - } - } - return false; + 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) { - context ()->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_grob (Grob_info info) +Slur_engraver::acknowledge_note_column (Grob_info info) { - Grob *e = info.grob_; - if (Note_column::has_interface (info.grob_)) - { - for (int i = slurs_.size (); i--; ) - Slur::add_column (slurs_[i], e); - for (int i = end_slurs_.size (); i-- ; ) - Slur::add_column (end_slurs_[i], e); - } - else - { - SCM inside = e->get_property ("inside-slur"); - if (Tie::has_interface (e) - || to_boolean (inside)) - { - for (int i = slurs_.size (); i--; ) - Slur::add_extra_encompass (slurs_[i], e); - for (int i = end_slurs_.size (); i--; ) - Slur::add_extra_encompass (end_slurs_[i], e); - } - else if (inside == SCM_BOOL_F) - { - Grob *slur = slurs_.size()?slurs_[0] : 0; - slur = (end_slurs_.size () && !slur) - ? end_slurs_[0] : slur; - - if (slur) - { - e->add_offset_callback (Slur::outside_slur_callback_proc, Y_AXIS); - e->set_property ("slur", slur->self_scm()); - } - } - } + 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::finalize () +Slur_engraver::acknowledge_extra_object (Grob_info info) { - if (slurs_.size ()) - slurs_[0]->warning (_("unterminated slur")); + Slur::auxiliary_acknowledge_extra_object (info, slurs_, end_slurs_); } void -Slur_engraver::process_music () +Slur_engraver::acknowledge_accidental (Grob_info info) +{ + acknowledge_extra_object (info); +} + +void +Slur_engraver::acknowledge_fingering (Grob_info info) +{ + acknowledge_extra_object (info); +} + +void +Slur_engraver::acknowledge_tuplet_number (Grob_info info) { - if (events_[STOP]) + 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++) { - if (slurs_.size() == 0) - { - events_[STOP]->origin()->warning (_ ("No slur to end")); - } - - end_slurs_ = slurs_; - slurs_.clear (); + slurs_[i]->warning (_ ("unterminated slur")); + slurs_[i]->suicide (); } - - if (events_[START] && slurs_.is_empty ()) - { - Music *ev = events_[START]; +} - bool double_slurs = to_boolean (get_property ("doubleSlurs")); +void +Slur_engraver::process_music () +{ + for (vsize i = 0; i < stop_events_.size (); i++) + { + Stream_event *ev = stop_events_[i]; + string id = robust_scm2string (ev->get_property ("spanner-id"), ""); - Grob * slur = make_spanner ("Slur", events_[START]->self_scm ()); - Direction updown = to_dir (ev->get_property ("direction")); - if (updown && !double_slurs) - set_grob_direction (slur, updown); + // Find the slur that is ended with this event (by checking the spanner-id) + bool ended = false; + for (vsize j = slurs_.size (); j--;) + { + if (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), "")) + { + ended = true; + end_slurs_.push_back (slurs_[j]); + slurs_.erase (slurs_.begin () + j); + } + } + if (!ended) + ev->origin ()->warning (_ ("cannot end slur")); + } - slurs_.push (slur); + for (vsize i = start_events_.size (); 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); + } + else + { + 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 (double_slurs) - { - set_grob_direction (slur, DOWN); - slur = make_spanner ("Slur", events_[START]->self_scm ()); - set_grob_direction (slur, UP); - slurs_.push (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); + } + } } set_melisma (slurs_.size ()); } @@ -154,14 +227,47 @@ Slur_engraver::process_music () void Slur_engraver::stop_translation_timestep () { + 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++) + { + 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); + } end_slurs_.clear (); - events_[START] = events_[STOP] = 0; + start_events_.clear (); + stop_events_.clear (); } -ENTER_DESCRIPTION (Slur_engraver, - /* descr */ "Build slurs grobs from slur events", - /* creats*/ "Slur", - /* accepts */ "slur-event", - /* acks */ "note-column-interface accidental-interface fingering-interface script-interface tie-interface text-script-interface", - /* reads */ "slurMelismaBusy doubleSlurs", - /* write */ ""); +ADD_ACKNOWLEDGER (Slur_engraver, 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, tie); +ADD_ACKNOWLEDGER (Slur_engraver, tuplet_number); +ADD_TRANSLATOR (Slur_engraver, + /* doc */ + "Build slur grobs from slur events.", + + /* create */ + "Slur ", + + /* read */ + "slurMelismaBusy " + "doubleSlurs ", + + /* write */ + "" + );