X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fauto-beam-engraver.cc;h=2c61f00959b3283568bf6550508949f688555f60;hb=90e4d7057f3857da049dfda3d130017d4719bd6b;hp=a3d38af5b3dd4c76d842f7d4806eb514d721c5ed;hpb=6dd8c00b4f33a5eb95a2aed2484e96347558fe05;p=lilypond.git diff --git a/lily/auto-beam-engraver.cc b/lily/auto-beam-engraver.cc index a3d38af5b3..2c61f00959 100644 --- a/lily/auto-beam-engraver.cc +++ b/lily/auto-beam-engraver.cc @@ -1,7 +1,7 @@ /* This file is part of LilyPond, the GNU music typesetter. - Copyright (C) 1999--2009 Jan Nieuwenhuizen + Copyright (C) 1999--2015 Jan Nieuwenhuizen LilyPond is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,12 +17,13 @@ along with LilyPond. If not, see . */ -#include "bar-line.hh" #include "beaming-pattern.hh" #include "beam.hh" #include "context.hh" +#include "context-handle.hh" #include "duration.hh" #include "engraver.hh" +#include "grob-properties.hh" #include "item.hh" #include "rest.hh" #include "spanner.hh" @@ -38,30 +39,31 @@ class Auto_beam_engraver : public Engraver protected: void stop_translation_timestep (); - void process_music (); + void process_acknowledged (); + + virtual void process_music (); virtual void finalize (); virtual void derived_mark () const; - DECLARE_ACKNOWLEDGER (rest); - DECLARE_ACKNOWLEDGER (beam); - DECLARE_ACKNOWLEDGER (bar_line); - DECLARE_ACKNOWLEDGER (stem); - DECLARE_TRANSLATOR_LISTENER (beam_forbid); - - void process_acknowledged (); + void acknowledge_rest (Grob_info); + void acknowledge_beam (Grob_info); + void acknowledge_bar_line (Grob_info); + void acknowledge_breathing_sign (Grob_info); + void acknowledge_stem (Grob_info); + void listen_beam_forbid (Stream_event *); private: - bool test_moment (Direction, Moment, Moment); + virtual bool test_moment (Direction, Moment, Moment); void consider_begin (Moment, Moment); void consider_end (Moment, Moment); Spanner *create_beam (); void begin_beam (); void end_beam (); void junk_beam (); - bool is_same_grace_state (Grob *e); + virtual bool is_same_grace_state (Moment, Moment); void recheck_beam (); void typeset_beam (); - vector *remove_end_stems (vsize); + vector *remove_end_stems (vsize); Stream_event *forbid_; /* @@ -69,7 +71,7 @@ private: */ Moment shortest_mom_; Spanner *finished_beam_; - vector *stems_; + vector *stems_; int process_acknowledged_count_; Moment last_add_mom_; @@ -79,6 +81,10 @@ private: Moment extend_mom_; Moment beam_start_moment_; Moment beam_start_location_; + /* + Handle on the starting staff keeps it alive until beam is comlete + */ + Context_handle beam_start_context_; // We act as if beam were created, and start a grouping anyway. Beaming_pattern *grouping_; @@ -86,11 +92,9 @@ private: Beaming_pattern *finished_grouping_; - Beaming_options beaming_options_; Beaming_options finished_beaming_options_; - void check_bar_property (); }; @@ -125,7 +129,7 @@ Auto_beam_engraver::process_music () if (stems_) { if (extend_mom_ < now) - end_beam (); + end_beam (); } if (scm_is_string (get_property ("whichBar"))) @@ -136,24 +140,27 @@ Auto_beam_engraver::process_music () if (forbid_) { - consider_end (measure_position (context ()), shortest_mom_); - junk_beam (); + if (stems_) + end_beam (); + else + junk_beam (); } } -Auto_beam_engraver::Auto_beam_engraver () +Auto_beam_engraver::Auto_beam_engraver (Context *c) + : Engraver (c) { forbid_ = 0; process_acknowledged_count_ = 0; stems_ = 0; - shortest_mom_ = Moment (Rational (1, 8)); + shortest_mom_ = Moment (Rational (1, 4)); + extend_mom_ = Moment (-1); finished_beam_ = 0; finished_grouping_ = 0; grouping_ = 0; beam_settings_ = SCM_EOL; } -IMPLEMENT_TRANSLATOR_LISTENER (Auto_beam_engraver, beam_forbid); void Auto_beam_engraver::listen_beam_forbid (Stream_event *ev) { @@ -163,12 +170,11 @@ Auto_beam_engraver::listen_beam_forbid (Stream_event *ev) bool Auto_beam_engraver::test_moment (Direction dir, Moment test_mom, Moment dur) { - return scm_call_4 (get_property ("autoBeamCheck"), - context ()->self_scm (), - scm_from_int (dir), - test_mom.smobbed_copy(), - dur.smobbed_copy ()) - != SCM_BOOL_F; + return scm_is_true (scm_call_4 (get_property ("autoBeamCheck"), + context ()->self_scm (), + scm_from_int (dir), + test_mom.smobbed_copy (), + dur.smobbed_copy ())); } void @@ -180,7 +186,7 @@ Auto_beam_engraver::consider_begin (Moment test_mom, Moment dur) { bool b = test_moment (START, test_mom, dur); if (b) - begin_beam (); + begin_beam (); } } @@ -190,10 +196,10 @@ Auto_beam_engraver::consider_end (Moment test_mom, Moment dur) if (stems_) { /* Allow already started autobeam to end: - don't check for autoBeaming */ + don't check for autoBeaming */ bool b = test_moment (STOP, test_mom, dur); if (b) - end_beam (); + end_beam (); } } @@ -208,7 +214,7 @@ Auto_beam_engraver::create_beam () return 0; /* - Can't use make_spanner_from_properties () because we have to use + Can't use make_spanner () because we have to use beam_settings_. */ Spanner *beam = new Spanner (beam_settings_); @@ -216,7 +222,8 @@ Auto_beam_engraver::create_beam () for (vsize i = 0; i < stems_->size (); i++) Beam::add_stem (beam, (*stems_)[i]); - announce_grob (beam, (*stems_)[0]->self_scm ()); + Grob_info i = make_grob_info (beam, (*stems_)[0]->self_scm ()); + announce_grob (i, beam_start_context_.get_context ()); return beam; } @@ -230,11 +237,12 @@ Auto_beam_engraver::begin_beam () return; } - stems_ = new vector; + stems_ = new vector; grouping_ = new Beaming_pattern (); beaming_options_.from_context (context ()); - beam_settings_ = updated_grob_properties (context (), ly_symbol2scm ("Beam")); + beam_settings_ = Grob_property_info (context (), ly_symbol2scm ("Beam")).updated (); + beam_start_context_.set_context (context ()->get_parent_context ()); beam_start_moment_ = now_mom (); beam_start_location_ = robust_scm2moment (get_property ("measurePosition"), Moment (0)); @@ -252,9 +260,16 @@ Auto_beam_engraver::junk_beam () grouping_ = 0; beam_settings_ = SCM_EOL; - shortest_mom_ = Moment (Rational (1, 8)); + shortest_mom_ = Moment (Rational (1, 4)); +} + +bool +Auto_beam_engraver::is_same_grace_state (Moment start, Moment now) +{ + return bool (start.grace_part_) == bool (now.grace_part_); } + void Auto_beam_engraver::end_beam () { @@ -265,18 +280,21 @@ Auto_beam_engraver::end_beam () finished_beam_ = create_beam (); if (finished_beam_) - { - announce_end_grob (finished_beam_, SCM_EOL); - finished_grouping_ = grouping_; - finished_beaming_options_ = beaming_options_; - } + { + Grob_info i = make_grob_info (finished_beam_, SCM_EOL); + + announce_end_grob (i, beam_start_context_.get_context ()); + finished_grouping_ = grouping_; + finished_beaming_options_ = beaming_options_; + } delete stems_; stems_ = 0; grouping_ = 0; beam_settings_ = SCM_EOL; } - shortest_mom_ = Moment (Rational (1, 8)); + beam_start_context_.set_context (NULL); + shortest_mom_ = Moment (Rational (1, 4)); } void @@ -285,7 +303,7 @@ Auto_beam_engraver::typeset_beam () if (finished_beam_) { if (!finished_beam_->get_bound (RIGHT)) - finished_beam_->set_bound (RIGHT, finished_beam_->get_bound (LEFT)); + finished_beam_->set_bound (RIGHT, finished_beam_->get_bound (LEFT)); finished_grouping_->beamify (finished_beaming_options_); Beam::set_beaming (finished_beam_, finished_grouping_); @@ -314,7 +332,6 @@ Auto_beam_engraver::finalize () junk_beam (); } - void Auto_beam_engraver::acknowledge_beam (Grob_info /* info */) { @@ -331,6 +348,14 @@ Auto_beam_engraver::acknowledge_bar_line (Grob_info /* info */) end_beam (); } +void +Auto_beam_engraver::acknowledge_breathing_sign (Grob_info /* info */) +{ + check_bar_property (); + if (stems_) + end_beam (); +} + void Auto_beam_engraver::acknowledge_rest (Grob_info /* info */) { @@ -357,43 +382,45 @@ Auto_beam_engraver::acknowledge_stem (Grob_info info) if (!Stem::head_count (stem)) { if (stems_) - end_beam (); + end_beam (); return; } if (Stem::get_beam (stem)) { if (stems_) - junk_beam (); + junk_beam (); return; } - int durlog = unsmob_duration (ev->get_property ("duration"))->duration_log (); + int durlog = unsmob (ev->get_property ("duration"))->duration_log (); if (durlog <= 2) { if (stems_) - end_beam (); + end_beam (); return; } /* - ignore grace notes. + ignore interspersed grace notes. */ Moment now = now_mom (); - if (bool (beam_start_location_.grace_part_) != bool (now.grace_part_)) + if (!is_same_grace_state (beam_start_location_, now)) return; - Moment ev_dur = unsmob_duration (ev->get_property ("duration"))->get_length (); - Moment dur = Rational (1, ev_dur.den ()); + Duration *stem_duration = unsmob (ev->get_property ("duration")); + Moment dur = stem_duration->get_length (); + + //Moment dur = unsmob (ev->get_property ("duration"))->get_length (); Moment measure_now = measure_position (context ()); - bool recheck_needed = 0; + bool recheck_needed = false; if (dur < shortest_mom_) { - /* new shortest moment, so store it and set recheck_needed */ - shortest_mom_ = dur; - recheck_needed = 1; + /* new shortest moment, so store it and set recheck_needed */ + shortest_mom_ = dur; + recheck_needed = true; } /* end should be based on shortest_mom_, begin should be @@ -405,12 +432,15 @@ Auto_beam_engraver::acknowledge_stem (Grob_info info) return; grouping_->add_stem (now - beam_start_moment_ + beam_start_location_, - durlog - 2, - Stem::is_invisible (stem)); + durlog - 2, + Stem::is_invisible (stem), + stem_duration->factor (), + (to_boolean (stem->get_property ("tuplet-start")))); stems_->push_back (stem); last_add_mom_ = now; extend_mom_ = max (extend_mom_, now) + get_event_length (ev, now); - if (recheck_needed) recheck_beam (); + if (recheck_needed) + recheck_beam (); } void @@ -423,14 +453,13 @@ Auto_beam_engraver::recheck_beam () the last part of the beam */ Beaming_pattern *new_grouping_ = 0; - vector *new_stems_ = 0; + vector *new_stems_ = 0; Moment temporary_shortest_mom; SCM temporary_beam_settings; bool found_end; - - for (vsize i = 0; i < stems_->size () - 1; ) + for (vsize i = 0; i < stems_->size () - 1;) { found_end = test_moment (STOP, grouping_->end_moment (i), @@ -472,23 +501,23 @@ Auto_beam_engraver::recheck_beam () from stems_, and return a vector containing all of the removed stems */ -vector * +vector * Auto_beam_engraver::remove_end_stems (vsize split_index) { - vector *removed_stems = 0; - removed_stems = new vector ; + vector *removed_stems = 0; + removed_stems = new vector ; - for (vsize j=split_index + 1; j < stems_->size (); j++) + for (vsize j = split_index + 1; j < stems_->size (); j++) removed_stems->push_back ((*stems_).at (j)); - for (vsize j=split_index + 1; j < stems_->size (); ) + for (vsize j = split_index + 1; j < stems_->size ();) stems_->pop_back (); - return (removed_stems); + return removed_stems; } void Auto_beam_engraver::process_acknowledged () { - Moment now = now_mom(); + Moment now = now_mom (); if (extend_mom_ > now) return; @@ -496,45 +525,142 @@ Auto_beam_engraver::process_acknowledged () { Moment measure_now = measure_position (context ()); consider_end (measure_now, shortest_mom_); - consider_begin (measure_now, shortest_mom_); } else if (process_acknowledged_count_ > 1) { if (stems_) - { - if ((extend_mom_ < now) - || ((extend_mom_ == now) && (last_add_mom_ != now))) - end_beam (); - else if (!stems_->size ()) - junk_beam (); - } + { + if ((extend_mom_ < now) + || ((extend_mom_ == now) && (last_add_mom_ != now))) + end_beam (); + else if (!stems_->size ()) + junk_beam (); + } } process_acknowledged_count_++; } -ADD_ACKNOWLEDGER (Auto_beam_engraver, stem); -ADD_ACKNOWLEDGER (Auto_beam_engraver, bar_line); -ADD_ACKNOWLEDGER (Auto_beam_engraver, beam); -ADD_ACKNOWLEDGER (Auto_beam_engraver, rest); +void +Auto_beam_engraver::boot () +{ + ADD_LISTENER (Auto_beam_engraver, beam_forbid); + ADD_ACKNOWLEDGER (Auto_beam_engraver, stem); + ADD_ACKNOWLEDGER (Auto_beam_engraver, bar_line); + ADD_ACKNOWLEDGER (Auto_beam_engraver, beam); + ADD_ACKNOWLEDGER (Auto_beam_engraver, breathing_sign); + ADD_ACKNOWLEDGER (Auto_beam_engraver, rest); +} + ADD_TRANSLATOR (Auto_beam_engraver, - /* doc */ - "Generate beams based on measure characteristics and observed" - " Stems. Uses @code{beatLength}, @code{measureLength}, and" - " @code{measurePosition} to decide when to start and stop a" - " beam. Overriding beaming is done through" - " @ref{Stem_engraver} properties @code{stemLeftBeamCount} and" - " @code{stemRightBeamCount}.", - - /* create */ - "Beam ", - - /* read */ - "autoBeaming " - "beamSettings " - "beatLength " - "subdivideBeams ", - - /* write */ - "" - ); + /* doc */ + "Generate beams based on measure characteristics and observed" + " Stems. Uses @code{baseMoment}, @code{beatStructure}," + " @code{beamExceptions}, @code{measureLength}, and" + " @code{measurePosition} to decide when to start and stop a" + " beam. Overriding beaming is done through" + " @ref{Stem_engraver} properties @code{stemLeftBeamCount} and" + " @code{stemRightBeamCount}.", + + /* create */ + "Beam ", + + /* read */ + "autoBeaming " + "baseMoment " + "beamExceptions " + "beamHalfMeasure " + "beatStructure " + "subdivideBeams ", + + /* write */ + "" + ); + +class Grace_auto_beam_engraver : public Auto_beam_engraver +{ + TRANSLATOR_DECLARATIONS (Grace_auto_beam_engraver); + TRANSLATOR_INHERIT (Auto_beam_engraver); + +private: + Moment last_grace_start_; // Full starting time of last grace group + Moment last_grace_position_; // Measure position of same + virtual void process_music (); + virtual bool is_same_grace_state (Moment, Moment); + virtual bool test_moment (Direction, Moment, Moment); +}; + +Grace_auto_beam_engraver::Grace_auto_beam_engraver (Context *c) + : Auto_beam_engraver (c) +{ + last_grace_start_.main_part_.set_infinite (-1); + // grace_part_ is zero -> test_moment is false, last_grace_position_ + // not considered. +} + +bool +Grace_auto_beam_engraver::is_same_grace_state (Moment, Moment) +{ + // This is for ignoring interspersed grace notes in main note + // beaming. We never want to ignore something inside of grace note + // beaming, so return true. + return true; +} + +void +Grace_auto_beam_engraver::process_music () +{ + Moment now = now_mom (); + // Update last_grace_start_ and last_grace_position_ only when the + // main time advances. + if (now.main_part_ > last_grace_start_.main_part_) + { + last_grace_start_ = now; + last_grace_position_ = measure_position (context ()); + } + + Auto_beam_engraver::process_music (); +} + +bool +Grace_auto_beam_engraver::test_moment (Direction dir, Moment test_mom, Moment) +{ + // If no grace group started this main moment, we have no business + // beaming. Same if we have left the original main time step. + if (!last_grace_start_.grace_part_ + || last_grace_position_.main_part_ != test_mom.main_part_) + return false; + // Autobeam start only when at the start of the grace group. + if (dir == START) + return last_grace_position_ == test_mom; + // Autobeam end only when the grace part is finished. + return !test_mom.grace_part_; +} + +void +Grace_auto_beam_engraver::boot () +{ + ADD_LISTENER (Grace_auto_beam_engraver, beam_forbid); + ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, stem); + ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, bar_line); + ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, beam); + ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, breathing_sign); + ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, rest); +} + +ADD_TRANSLATOR (Grace_auto_beam_engraver, + /* doc */ + "Generates one autobeam group across an entire grace phrase. " + " As usual, any manual beaming or @code{\\noBeam} will block" + " autobeaming, just like setting the context property" + " @samp{autoBeaming} to @code{##f}.", + + /* create */ + "Beam ", + + /* read */ + "autoBeaming ", + + /* write */ + "" + );