X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fspacing-engraver.cc;h=b3ca5753932cb2253c2cc3e3d385bc8d18c61940;hb=986aa8f8974e54c701bed0be54a2b042aecec820;hp=ebba459d17b9dd54d252364b39fbdd3078a218c1;hpb=af9078fd6d63dea5141e87a1b4d7cb5b0bcba84a;p=lilypond.git diff --git a/lily/spacing-engraver.cc b/lily/spacing-engraver.cc index ebba459d17..b3ca575393 100644 --- a/lily/spacing-engraver.cc +++ b/lily/spacing-engraver.cc @@ -1,171 +1,245 @@ -/* - spacing-engraver.cc -- implement Spacing_engraver - +/* + spacing-engraver.cc -- implement Spacing_engraver + source file of the GNU LilyPond music typesetter - - (c) 1999--2001 Han-Wen Nienhuys - - */ -#include "musical-request.hh" -#include "paper-column.hh" + (c) 1999--2006 Han-Wen Nienhuys +*/ -#include "spacing-spanner.hh" +#include "paper-column.hh" #include "engraver.hh" #include "pqueue.hh" #include "note-spacing.hh" #include "staff-spacing.hh" -#include "group-interface.hh" +#include "pointer-group-interface.hh" +#include "spanner.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); +} - should be the last one of the toplevel context +int +Rhythmic_tuple::time_compare (Rhythmic_tuple const &h1, + Rhythmic_tuple const &h2) +{ + return (h1.end_ - h2.end_).main_part_.sign (); +} + +/****************************************************************/ + +/* + Acknowledge rhythmic elements, for initializing spacing fields in + the columns. */ class Spacing_engraver : public Engraver { PQueue playing_durations_; - Array now_durations_; - Array stopped_durations_; - - Spanner * spacing_p_; + vector now_durations_; + vector stopped_durations_; + Moment now_; + Spanner *spacing_; + Music *start_section_; - TRANSLATOR_DECLARATIONS(Spacing_engraver); + TRANSLATOR_DECLARATIONS (Spacing_engraver); + protected: - virtual void acknowledge_grob (Grob_info); - virtual void start_translation_timestep (); - virtual void stop_translation_timestep (); - virtual void initialize (); + DECLARE_ACKNOWLEDGER (staff_spacing); + DECLARE_ACKNOWLEDGER (note_spacing); + DECLARE_ACKNOWLEDGER (rhythmic_head); + + void start_translation_timestep (); + void stop_translation_timestep (); + void process_music (); + virtual void finalize (); + virtual bool try_music (Music *m); + + 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) +bool +Spacing_engraver::try_music (Music *m) { - return (h1.end_ - h2.end_).main_part_.sign (); + start_section_ = m; + return true; } -Spacing_engraver::Spacing_engraver () +void +Spacing_engraver::process_music () { - spacing_p_ = 0; + if (start_section_ && spacing_) + stop_spanner (); + + if (!spacing_) + start_spanner (); } void -Spacing_engraver::initialize () +Spacing_engraver::start_spanner () { - spacing_p_ =new Spanner (get_property ("SpacingSpanner")); - Spacing_spanner::set_interface (spacing_p_); - spacing_p_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn"))); - announce_grob (spacing_p_, 0); + assert (!spacing_); + + spacing_ = make_spanner ("SpacingSpanner", SCM_EOL); + spacing_->set_bound (LEFT, + unsmob_grob (get_property ("currentCommandColumn"))); } void Spacing_engraver::finalize () { - Grob * p = unsmob_grob (get_property ("currentCommandColumn")); - spacing_p_->set_bound (RIGHT, p); - typeset_grob (spacing_p_); - spacing_p_ =0; + stop_spanner (); } void -Spacing_engraver::acknowledge_grob (Grob_info i) +Spacing_engraver::stop_spanner () { - if (Note_spacing::has_interface (i.grob_l_) || Staff_spacing::has_interface (i.grob_l_)) + if (spacing_) { - Pointer_group_interface::add_element (spacing_p_, ly_symbol2scm ("wishes"), i.grob_l_); + Grob *p = unsmob_grob (get_property ("currentCommandColumn")); + + spacing_->set_bound (RIGHT, p); + spacing_ = 0; } - - if (to_boolean (i.grob_l_->get_grob_property ("non-rhythmic"))) +} + +void +Spacing_engraver::acknowledge_note_spacing (Grob_info i) +{ + 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_head (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; - - if (Rhythmic_req * r = dynamic_cast (i.music_cause ())) + + /* + only pay attention to durations that are not grace notes. + */ + if (!now_.grace_part_) { - Rhythmic_tuple t (i, now_mom () + r->length_mom ()); - now_durations_.push (t); + 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_back (t); + } } } void Spacing_engraver::stop_translation_timestep () { + Paper_column *musical_column + = dynamic_cast (unsmob_grob (get_property ("currentMusicalColumn"))); + + 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); + 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++) { - Moment m = (playing_durations_[i].info_.music_cause ())->length_mom (); - if (m.to_bool ()) + Music *mus = playing_durations_[i].info_.music_cause (); + if (mus) { - shortest_playing = shortest_playing get_length (); + shortest_playing = min (shortest_playing, m); } } - - Moment starter, inf; - inf.set_infinite (1); - starter=inf; - for (int i=0; i < now_durations_.size (); i++) + Moment starter; + starter.set_infinite (1); + + for (vsize i = 0; i < now_durations_.size (); i++) { - Moment m = now_durations_[i].info_.music_cause ()->length_mom (); + Moment m = now_durations_[i].info_.music_cause ()->get_length (); 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_grob_property ("shortest-playing-duration", sh); - sc->set_grob_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 () { - Moment now = now_mom (); + start_section_ = 0; + + now_ = now_mom (); stopped_durations_.clear (); - while (playing_durations_.size () && playing_durations_.front ().end_ < now) + + 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 ()); + while (playing_durations_.size () && playing_durations_.front ().end_ == now_) + stopped_durations_.push_back (playing_durations_.get ()); } - - - -ENTER_DESCRIPTION(Spacing_engraver, -/* descr */ "make a SpacingSpanner and do bookkeeping of shortest starting and playing notes ", -/* creats*/ "SpacingSpanner", -/* acks */ "grob-interface", -/* reads */ "", -/* write */ ""); +ADD_ACKNOWLEDGER (Spacing_engraver, staff_spacing); +ADD_ACKNOWLEDGER (Spacing_engraver, note_spacing); +ADD_ACKNOWLEDGER (Spacing_engraver, rhythmic_head); + +ADD_TRANSLATOR (Spacing_engraver, + "make a SpacingSpanner and do " + "bookkeeping of shortest starting and playing notes ", + + /* create */ "SpacingSpanner", + /* accept */ + "spacing-section-event ", + /* read */ + "currentMusicalColumn " + "currentCommandColumn " + "proportionalNotationDuration", + + /* write */ "");