X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fspacing-engraver.cc;h=80892fac6bed75ba90fdab2c27f04e496fcce436;hb=0b544cfb7332615ef809b71b57ab656741311ae1;hp=a8f19e16745a36a989bc1ebfd29f1730c3429241;hpb=b1323f33e9aa4b9eea05eefb8755c907d4d762d4;p=lilypond.git diff --git a/lily/spacing-engraver.cc b/lily/spacing-engraver.cc index a8f19e1674..80892fac6b 100644 --- a/lily/spacing-engraver.cc +++ b/lily/spacing-engraver.cc @@ -1,189 +1,284 @@ -/* - spacing-engraver.cc -- implement Spacing_engraver - - source file of the GNU LilyPond music typesetter - - (c) 1999--2004 Han-Wen Nienhuys - - */ - -#include "event.hh" -#include "paper-column.hh" +/* + This file is part of LilyPond, the GNU music typesetter. + + Copyright (C) 1999--2014 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 "pqueue.hh" +#include "moment.hh" #include "note-spacing.hh" -#include "staff-spacing.hh" -#include "group-interface.hh" +#include "paper-column.hh" +#include "pointer-group-interface.hh" +#include "pqueue.hh" #include "spanner.hh" +#include "staff-spacing.hh" +#include "stream-event.hh" + +#include "translator.icc" struct Rhythmic_tuple { Grob_info info_; Moment end_; - + Rhythmic_tuple () - { - } + { + } Rhythmic_tuple (Grob_info i, Moment m) - { - info_ = i; - end_ = m; - } - static int time_compare (Rhythmic_tuple const &, Rhythmic_tuple const &); + { + info_ = i; + end_ = m; + } + static int time_compare (Rhythmic_tuple const &, Rhythmic_tuple const &); }; -/** - Acknowledge rhythmic elements, for initializing spacing fields in - the columns. +inline int +compare (Rhythmic_tuple const &a, Rhythmic_tuple const &b) +{ + return Rhythmic_tuple::time_compare (a, b); +} + +int +Rhythmic_tuple::time_compare (Rhythmic_tuple const &h1, + Rhythmic_tuple const &h2) +{ + return (h1.end_ - h2.end_).main_part_.sign (); +} - should be the last one of the toplevel context +/****************************************************************/ + +/* + Acknowledge rhythmic elements, for initializing spacing fields in + the columns. */ class Spacing_engraver : public Engraver { PQueue playing_durations_; - Array now_durations_; - Array stopped_durations_; + vector now_durations_; + vector stopped_durations_; Moment now_; - Spanner * spacing_; - - TRANSLATOR_DECLARATIONS(Spacing_engraver); + Spanner *spacing_; + Stream_event *start_section_; + + TRANSLATOR_DECLARATIONS (Spacing_engraver); + protected: - virtual void acknowledge_grob (Grob_info); - virtual void start_translation_timestep (); - virtual void stop_translation_timestep (); - virtual void process_music (); + DECLARE_ACKNOWLEDGER (staff_spacing); + DECLARE_ACKNOWLEDGER (note_spacing); + DECLARE_ACKNOWLEDGER (rhythmic_head); + DECLARE_ACKNOWLEDGER (rhythmic_grob); + DECLARE_TRANSLATOR_LISTENER (spacing_section); + + void start_translation_timestep (); + void stop_translation_timestep (); + void process_music (); + void add_starter_duration (Grob_info i); + virtual void finalize (); + + void start_spanner (); + void stop_spanner (); }; -inline int -compare (Rhythmic_tuple const &a, Rhythmic_tuple const &b) +Spacing_engraver::Spacing_engraver () { - return Rhythmic_tuple::time_compare (a,b); + spacing_ = 0; + start_section_ = 0; } -int -Rhythmic_tuple::time_compare (Rhythmic_tuple const &h1, - Rhythmic_tuple const &h2) +IMPLEMENT_TRANSLATOR_LISTENER (Spacing_engraver, spacing_section); +void +Spacing_engraver::listen_spacing_section (Stream_event *ev) { - return (h1.end_ - h2.end_).main_part_.sign (); + ASSIGN_EVENT_ONCE (start_section_, ev); } -Spacing_engraver::Spacing_engraver () +void +Spacing_engraver::process_music () { - spacing_ = 0; + if (start_section_ && spacing_) + stop_spanner (); + + if (!spacing_) + start_spanner (); } void -Spacing_engraver::process_music () +Spacing_engraver::start_spanner () { - if (!spacing_) - { - spacing_ = make_spanner ("SpacingSpanner"); - spacing_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn"))); - announce_grob(spacing_, SCM_EOL); - } + assert (!spacing_); + + spacing_ = make_spanner ("SpacingSpanner", SCM_EOL); + spacing_->set_bound (LEFT, + unsmob_grob (get_property ("currentCommandColumn"))); } void Spacing_engraver::finalize () +{ + stop_spanner (); +} + +void +Spacing_engraver::stop_spanner () { if (spacing_) { - Grob * p = unsmob_grob (get_property ("currentCommandColumn")); - + Grob *p = unsmob_grob (get_property ("currentCommandColumn")); + spacing_->set_bound (RIGHT, p); - typeset_grob (spacing_); - spacing_ =0; + spacing_ = 0; } } void -Spacing_engraver::acknowledge_grob (Grob_info i) +Spacing_engraver::acknowledge_note_spacing (Grob_info i) { - if (Note_spacing::has_interface (i.grob_) || Staff_spacing::has_interface (i.grob_)) - { - Pointer_group_interface::add_grob (spacing_, ly_symbol2scm ("wishes"), i.grob_); - } - - if (i.grob_->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")) - || i.grob_->internal_has_interface (ly_symbol2scm ("multi-measure-event"))) + Pointer_group_interface::add_grob (spacing_, ly_symbol2scm ("wishes"), i.grob ()); +} + +void +Spacing_engraver::acknowledge_staff_spacing (Grob_info i) +{ + Pointer_group_interface::add_grob (spacing_, ly_symbol2scm ("wishes"), i.grob ()); +} + +void +Spacing_engraver::acknowledge_rhythmic_grob (Grob_info i) +{ + add_starter_duration (i); +} + +void +Spacing_engraver::acknowledge_rhythmic_head (Grob_info i) +{ + add_starter_duration (i); +} + +void +Spacing_engraver::add_starter_duration (Grob_info i) +{ + if (i.grob ()->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")) + || i.grob ()->internal_has_interface (ly_symbol2scm ("multi-measure-interface"))) return; /* - only pay attention to durations that are not grace notes. - */ + only pay attention to durations that are not grace notes. + */ if (!now_.grace_part_) { - Music *r = i.music_cause (); - if (r && r->is_mus_type ("rhythmic-event")) - { - Moment len = r->get_length (); - Rhythmic_tuple t (i, now_mom () + len); - now_durations_.push (t); - } + Stream_event *r = i.event_cause (); + if (r && r->in_event_class ("rhythmic-event")) + { + Moment len = get_event_length (r, now_); + Rhythmic_tuple t (i, now_mom () + len); + now_durations_.push_back (t); + } } } void Spacing_engraver::stop_translation_timestep () { + Paper_column *musical_column + = dynamic_cast (unsmob_grob (get_property ("currentMusicalColumn"))); + + if (!spacing_) + start_spanner (); + + musical_column->set_object ("spacing", spacing_->self_scm ()); + unsmob_grob (get_property ("currentCommandColumn")) + ->set_object ("spacing", spacing_->self_scm ()); + + SCM proportional = get_property ("proportionalNotationDuration"); + if (unsmob_moment (proportional)) + { + musical_column->set_property ("shortest-playing-duration", proportional); + musical_column->set_property ("shortest-starter-duration", proportional); + musical_column->set_property ("used", SCM_BOOL_T); + return; + } + Moment shortest_playing; shortest_playing.set_infinite (1); - for (int i=0; i < playing_durations_.size (); i++) + for (vsize i = 0; i < playing_durations_.size (); i++) { - Music * mus = playing_durations_[i].info_.music_cause (); - if (mus) - { - Moment m = mus->get_length (); - shortest_playing = shortest_playing get_length (); + Moment m = get_event_length (now_durations_[i].info_.event_cause ()); if (m.to_bool ()) - { - starter = starter (unsmob_grob (get_property ("currentMusicalColumn"))); + + shortest_playing = min (shortest_playing, starter); assert (starter.to_bool ()); SCM sh = shortest_playing.smobbed_copy (); SCM st = starter.smobbed_copy (); - sc->set_property ("shortest-playing-duration", sh); - sc->set_property ("shortest-starter-duration", st); + musical_column->set_property ("shortest-playing-duration", sh); + musical_column->set_property ("shortest-starter-duration", st); } void Spacing_engraver::start_translation_timestep () { + start_section_ = 0; + now_ = now_mom (); stopped_durations_.clear (); + while (playing_durations_.size () && playing_durations_.front ().end_ < now_) playing_durations_.delmin (); while (playing_durations_.size () && playing_durations_.front ().end_ == now_) - stopped_durations_.push (playing_durations_.get ()); + stopped_durations_.push_back (playing_durations_.get ()); } +ADD_ACKNOWLEDGER (Spacing_engraver, staff_spacing); +ADD_ACKNOWLEDGER (Spacing_engraver, note_spacing); +ADD_ACKNOWLEDGER (Spacing_engraver, rhythmic_head); +ADD_ACKNOWLEDGER (Spacing_engraver, rhythmic_grob); + +ADD_TRANSLATOR (Spacing_engraver, + /* doc */ + "Make a @code{SpacingSpanner} and do bookkeeping of shortest" + " starting and playing notes.", + /* create */ + "SpacingSpanner ", + /* read */ + "currentMusicalColumn " + "currentCommandColumn " + "proportionalNotationDuration ", -ENTER_DESCRIPTION(Spacing_engraver, -/* descr */ "make a SpacingSpanner and do bookkeeping of shortest starting and playing notes ", -/* creats*/ "SpacingSpanner", -/* accepts */ "", -/* acks */ "grob-interface", -/* reads */ "", -/* write */ ""); + /* write */ + "" + );