X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftie-engraver.cc;h=3d30e77738d9a4fe8403cda31830839f5052e866;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=9aabfa887e41ef5d1f5c9a0e8d2b7efec1afa68c;hpb=94a1966c72301b8bd1d8bb3b8628c3f089d007cf;p=lilypond.git diff --git a/lily/tie-engraver.cc b/lily/tie-engraver.cc index 9aabfa887e..3d30e77738 100644 --- a/lily/tie-engraver.cc +++ b/lily/tie-engraver.cc @@ -1,24 +1,26 @@ -/* - new-tie-engraver.cc -- implement Tie_engraver - +/* + tie-engraver.cc -- implement Tie_engraver + source file of the GNU LilyPond music typesetter - - (c) 1998--2004 Han-Wen Nienhuys - - */ -#include "event.hh" -#include "tie.hh" -#include "context.hh" + (c) 1998--2008 Han-Wen Nienhuys +*/ -#include "spanner.hh" -#include "tie-column.hh" #include "engraver.hh" + +#include "context.hh" +#include "international.hh" #include "item.hh" -#include "grob-pitch-tuple.hh" -#include "warn.hh" #include "note-head.hh" +#include "protected-scm.hh" +#include "spanner.hh" #include "staff-symbol-referencer.hh" +#include "stream-event.hh" +#include "tie-column.hh" +#include "tie.hh" +#include "warn.hh" + +#include "translator.icc" /** Manufacture ties. Acknowledge noteheads, and put them into a @@ -28,131 +30,227 @@ TODO: Remove the dependency on musical info. We should tie on the basis of position and duration-log of the heads (not of the events). */ -class Tie_engraver : public Engraver + +struct Head_event_tuple { - Music *event_; - Music *last_event_; - Link_array now_heads_; - Link_array heads_to_tie_; - Link_array ties_; - - Spanner * tie_column_; + Grob *head_; + Moment end_moment_; + SCM tie_definition_; + Stream_event *tie_stream_event_; + Stream_event *tie_event_; + Head_event_tuple () + { + head_ = 0; + tie_definition_ = SCM_EOL; + tie_event_ = 0; + tie_stream_event_ = 0; + } +}; + +class Tie_engraver : public Engraver +{ + Stream_event *event_; + vector now_heads_; + vector heads_to_tie_; + vector ties_; + + Spanner *tie_column_; + protected: - virtual void stop_translation_timestep (); - virtual void start_translation_timestep (); - virtual void acknowledge_grob (Grob_info); - virtual bool try_music (Music*); - virtual void process_music (); - void typeset_tie (Grob*); + void stop_translation_timestep (); + virtual void derived_mark () const; + void start_translation_timestep (); + DECLARE_ACKNOWLEDGER (note_head); + DECLARE_TRANSLATOR_LISTENER (tie); + void process_music (); + void typeset_tie (Grob *); public: TRANSLATOR_DECLARATIONS (Tie_engraver); }; - +void +Tie_engraver::derived_mark () const +{ + Engraver::derived_mark (); + for (vsize i = 0; i < heads_to_tie_.size (); i++) + scm_gc_mark (heads_to_tie_[i].tie_definition_); +} Tie_engraver::Tie_engraver () { event_ = 0; - last_event_ = 0; tie_column_ = 0; } - -bool -Tie_engraver::try_music (Music *mus) +IMPLEMENT_TRANSLATOR_LISTENER (Tie_engraver, tie); +void +Tie_engraver::listen_tie (Stream_event *ev) { - if (mus->is_mus_type ("tie-event")) - { - event_ = mus; - } - - return true; + ASSIGN_EVENT_ONCE (event_, ev); } void Tie_engraver::process_music () { - if (event_) - daddy_context_->set_property ("tieMelismaBusy", SCM_BOOL_T); + bool busy = event_; + for (vsize i = 0; !busy && i < heads_to_tie_.size (); i++) + busy |= (heads_to_tie_[i].tie_event_ + || heads_to_tie_[i].tie_stream_event_); + + if (busy) + context ()->set_property ("tieMelismaBusy", SCM_BOOL_T); } void -Tie_engraver::acknowledge_grob (Grob_info i) +Tie_engraver::acknowledge_note_head (Grob_info i) { - if (Note_head::has_interface (i.grob_)) + Grob *h = i.grob (); + + now_heads_.push_back (h); + for (vsize i = heads_to_tie_.size (); i--;) { - Grob * h = i.grob_; - now_heads_.push (h); - for (int i = heads_to_tie_.size (); i--;) + Grob *th = heads_to_tie_[i].head_; + Stream_event *right_ev = unsmob_stream_event (h->get_property ("cause")); + Stream_event *left_ev = unsmob_stream_event (th->get_property ("cause")); + + /* + maybe should check positions too. + */ + if (!right_ev || !left_ev) + continue; + + if (ly_is_equal (right_ev->get_property ("pitch"), + left_ev->get_property ("pitch"))) { - Grob *th = heads_to_tie_[i]; - Music * right_mus = unsmob_music (h->get_property ("cause")); - Music * left_mus = unsmob_music (th->get_property ("cause")); - - /* - maybe should check positions too. - */ - if (right_mus && left_mus - && ly_equal_p (right_mus->get_property ("pitch"), - left_mus->get_property ("pitch"))) - { - Grob * p = make_spanner ("Tie"); - Tie::set_interface (p); // cannot remove yet! - - Tie::set_head (p, LEFT, th); - Tie::set_head (p, RIGHT, h); + Grob *p = new Spanner (heads_to_tie_[i].tie_definition_); + + SCM cause = heads_to_tie_[i].tie_event_ + ? heads_to_tie_[i].tie_event_->self_scm () + : heads_to_tie_[i].tie_stream_event_->self_scm (); - ties_.push (p); - announce_grob (p, last_event_->self_scm ()); + announce_grob (p, cause); + Tie::set_head (p, LEFT, th); + Tie::set_head (p, RIGHT, h); + + + if (is_direction (unsmob_stream_event (cause)->get_property ("direction"))) + { + Direction d = to_dir (unsmob_stream_event (cause)->get_property ("direction")); + p->set_property ("direction", scm_from_int (d)); } + + ties_.push_back (p); + heads_to_tie_.erase (heads_to_tie_.begin () + i); } + } - if (ties_.size () && ! tie_column_) - { - tie_column_ = make_spanner ("TieColumn"); - announce_grob (tie_column_, SCM_EOL); - } + if (ties_.size () && ! tie_column_) + tie_column_ = make_spanner ("TieColumn", ties_[0]->self_scm ()); - if (tie_column_) - for (int i = ties_.size (); i--;) - Tie_column::add_tie (tie_column_,ties_ [i]); - } + if (tie_column_) + for (vsize i = ties_.size (); i--;) + Tie_column::add_tie (tie_column_, ties_[i]); } void Tie_engraver::start_translation_timestep () { - daddy_context_->set_property ("tieMelismaBusy", - ly_bool2scm (heads_to_tie_.size ())); - + context ()->set_property ("tieMelismaBusy", + ly_bool2scm (heads_to_tie_.size ())); + + if (heads_to_tie_.size () && !to_boolean (get_property ("tieWaitForNote"))) + { + Moment now = now_mom (); + for (vsize i = heads_to_tie_.size (); i--; ) + { + if (now > heads_to_tie_[i].end_moment_) + heads_to_tie_.erase (heads_to_tie_.begin () + i); + } + } } void Tie_engraver::stop_translation_timestep () { + bool wait = to_boolean (get_property ("tieWaitForNote")); if (ties_.size ()) { - heads_to_tie_.clear (); - for (int i=0; i< ties_.size (); i++) - { + if (!wait) + heads_to_tie_.clear (); + + for (vsize i = 0; i < ties_.size (); i++) typeset_tie (ties_[i]); - } ties_.clear (); - last_event_ = 0; - if (tie_column_) - { - typeset_grob (tie_column_); - tie_column_ =0; - } + tie_column_ = 0; } + + vector new_heads_to_tie; - if (event_) + for (vsize i = 0; i < now_heads_.size (); i++) { - heads_to_tie_ = now_heads_; - last_event_ = event_; + Grob *head = now_heads_[i]; + Stream_event *left_ev + = unsmob_stream_event (head->get_property ("cause")); + + if (!left_ev) + { + // may happen for ambituses + continue; + } + + + SCM left_articulations = left_ev->get_property ("articulations"); + + Stream_event *tie_event = 0; + Stream_event *tie_stream_event = event_; + for (SCM s = left_articulations; + !tie_event && !tie_stream_event && scm_is_pair (s); + s = scm_cdr (s)) + { + Stream_event *ev = unsmob_stream_event (scm_car (s)); + if (!ev) + continue; + + if (ev->in_event_class ("tie-event")) + tie_event = ev; + } + + if (left_ev && (tie_event || tie_stream_event)) + { + Head_event_tuple event_tup; + + SCM start_definition + = updated_grob_properties (context (), ly_symbol2scm ("Tie")); + + event_tup.head_ = head; + event_tup.tie_definition_ = start_definition; + event_tup.tie_event_ = tie_event; + event_tup.tie_stream_event_ = tie_stream_event; + + Moment end = now_mom (); + if (end.grace_part_) + { + end.grace_part_ += get_event_length (left_ev).main_part_; + } + else + { + end += get_event_length (left_ev); + } + event_tup.end_moment_ = end; + + new_heads_to_tie.push_back (event_tup); + } } + + if (!wait && new_heads_to_tie.size ()) + heads_to_tie_.clear (); + + // hmmm, how to do with copy () ? + for (vsize i = 0; i < new_heads_to_tie.size (); i++) + heads_to_tie_.push_back (new_heads_to_tie[i]); + event_ = 0; now_heads_.clear (); } @@ -160,29 +258,37 @@ Tie_engraver::stop_translation_timestep () void Tie_engraver::typeset_tie (Grob *her) { - if (! (Tie::head (her,LEFT) && Tie::head (her,RIGHT))) + if (! (Tie::head (her, LEFT) && Tie::head (her, RIGHT))) warning (_ ("lonely tie")); Direction d = LEFT; Drul_array new_head_drul; - new_head_drul[LEFT] = Tie::head (her,LEFT); - new_head_drul[RIGHT] = Tie::head (her,RIGHT); - do { - if (!Tie::head (her,d)) - new_head_drul[d] = Tie::head (her, (Direction)-d); - } while (flip (&d) != LEFT); - - index_set_cell (her->get_property ("head-pair"), LEFT, new_head_drul[LEFT]->self_scm ()); - index_set_cell (her->get_property ("head-pair"), RIGHT, new_head_drul[RIGHT]->self_scm ()); + new_head_drul[LEFT] = Tie::head (her, LEFT); + new_head_drul[RIGHT] = Tie::head (her, RIGHT); + do + { + if (!Tie::head (her, d)) + new_head_drul[d] = Tie::head (her, (Direction) - d); + } + while (flip (&d) != LEFT); - typeset_grob (her); + Spanner *sp = dynamic_cast (her); + sp->set_bound (LEFT, new_head_drul[LEFT]); + sp->set_bound (RIGHT, new_head_drul[RIGHT]); } +ADD_ACKNOWLEDGER (Tie_engraver, note_head); +ADD_TRANSLATOR (Tie_engraver, + /* doc */ + "Generate ties between note heads of equal pitch.", + + /* create */ + "Tie " + "TieColumn ", + + /* read */ + "tieWaitForNote ", -ENTER_DESCRIPTION (Tie_engraver, -/* descr */ "Generate ties between noteheads of equal pitch.", -/* creats*/ "Tie TieColumn", -/* accepts */ "tie-event", -/* acks */ "rhythmic-head-interface", -/* reads */ "tieMelismaBusy", -/* write */ ""); + /* write */ + "tieMelismaBusy " + );