X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmusic-sequence.cc;h=d280953714b820c25513cd4e54ddf89b84b2ba80;hb=01b15679731ac5fcaf8edac1ad5bce6acba10ff0;hp=17da5f46746ed0b99ab9193a071192e3f3328656;hpb=6bf1606d827527f02953add0988a4fbbf0dc0c4e;p=lilypond.git diff --git a/lily/music-sequence.cc b/lily/music-sequence.cc index 17da5f4674..d280953714 100644 --- a/lily/music-sequence.cc +++ b/lily/music-sequence.cc @@ -1,181 +1,192 @@ -/* - music-sequence.cc -- implement Music_sequence - - source file of the GNU LilyPond music typesetter - - (c) 1998--2001 Han-Wen Nienhuys - - */ -#include "music-list.hh" -#include "debug.hh" -#include "pitch.hh" +/* + This file is part of LilyPond, the GNU music typesetter. + Copyright (C) 1998--2015 Han-Wen Nienhuys -void -Music_sequence::truncate (int k) -{ - SCM l = get_mus_property ("elements"); - if (k == 0) - { - l = SCM_EOL; - } - else - { - SCM s = l; - k--; - for (; gh_pair_p (s) && k--; s = gh_cdr (s)) - ; - - if (gh_pair_p (s)) - { - gh_set_cdr_x (s, SCM_EOL); - } - } - set_mus_property ("elements", l); -} + 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. -SCM -Music_sequence::music_list ()const -{ - return get_mus_property ("elements"); -} + 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. -/* - Ugh this sucks. Linear. do not use. - */ -void -Music_sequence::append_music (Music *m) -{ - set_mus_property ("elements", - gh_append2 (music_list (), gh_cons (m->self_scm (), SCM_EOL))); - scm_gc_unprotect_object (m->self_scm ()); -} + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . +*/ -Music_sequence::Music_sequence (SCM l) - : Music (l) -{ -} +#include "music-sequence.hh" + +#include "warn.hh" +#include "program-option.hh" +#include "duration.hh" +#include "moment.hh" +#include "music.hh" +#include "input.hh" void -Music_sequence::transpose (Pitch rq) +transpose_music_list (SCM lst, Pitch rq) { - for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s)) - unsmob_music (gh_car (s))->transpose (rq); + for (SCM s = lst; scm_is_pair (s); s = scm_cdr (s)) + unsmob (scm_car (s))->transpose (rq); } - - - Moment -Music_sequence::cumulative_length () const +Music_sequence::cumulative_length (SCM l) { Moment cumulative; - - Moment last_len ; - for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s)) + Moment last_len; + + for (SCM s = l; scm_is_pair (s); s = scm_cdr (s)) { - Moment l = unsmob_music (gh_car (s))->length_mom (); + Moment l = unsmob (scm_car (s))->get_length (); if (last_len.grace_part_ && l.main_part_) - { - last_len.grace_part_ = Rational (0); - } + last_len.grace_part_ = Rational (0); cumulative += last_len; last_len = l; } last_len.grace_part_ = Rational (0); cumulative += last_len; - - return cumulative; -} -Pitch -Music_sequence::to_relative_octave (Pitch p) -{ - return do_relative_octave (p, false); + return cumulative; } - Moment -Music_sequence::maximum_length () const +Music_sequence::maximum_length (SCM l) { Moment dur = 0; - for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s)) - dur = dur >? unsmob_music (gh_car (s))->length_mom (); + for (SCM s = l; scm_is_pair (s); s = scm_cdr (s)) + { + Music *m = unsmob (scm_car (s)); + if (!m) + programming_error ("Music sequence should have music elements"); + else + { + Moment l = m->get_length (); + dur = max (dur, l); + } + } return dur; } -int -Music_sequence::length_i () const + +MAKE_SCHEME_CALLBACK (Music_sequence, maximum_length_callback, 1); +SCM +Music_sequence::maximum_length_callback (SCM m) { - return scm_ilength (music_list ()); + Music *me = unsmob (m); + return maximum_length (me->get_property ("elements")).smobbed_copy (); } -Pitch -Music_sequence::do_relative_octave (Pitch p, bool ret_first) +MAKE_SCHEME_CALLBACK (Music_sequence, event_chord_length_callback, 1); +SCM +Music_sequence::event_chord_length_callback (SCM m) { - Pitch retval; - int count=0; - - Pitch last = p; - for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s)) + Music *me = unsmob (m); + Duration *d = unsmob (me->get_property ("duration")); + // Preset duration is used in chord repetitions. + if (d) { - last = unsmob_music (gh_car (s))->to_relative_octave (last); - if (!count ++) - retval = last; + Moment mom = d->get_length (); + return mom.smobbed_copy (); } + return maximum_length (me->get_property ("elements")).smobbed_copy (); +} - if (!ret_first) - retval = last; - - return retval; +MAKE_SCHEME_CALLBACK (Music_sequence, cumulative_length_callback, 1); +SCM +Music_sequence::cumulative_length_callback (SCM m) +{ + Music *me = unsmob (m); + return cumulative_length (me->get_property ("elements")).smobbed_copy (); } -void -Music_sequence::compress (Moment m) +MAKE_SCHEME_CALLBACK (Music_sequence, minimum_start_callback, 1); +SCM +Music_sequence::minimum_start_callback (SCM m) +{ + Music *me = unsmob (m); + return minimum_start (me->get_property ("elements")).smobbed_copy (); +} + +MAKE_SCHEME_CALLBACK (Music_sequence, first_start_callback, 1); +SCM +Music_sequence::first_start_callback (SCM m) { - for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s)) - unsmob_music (gh_car (s))->compress (m); + Music *me = unsmob (m); + return first_start (me->get_property ("elements")).smobbed_copy (); } -ADD_MUSIC (Music_sequence); +Pitch +music_list_to_relative (SCM l, Pitch p, bool ret_first) +{ + Pitch first = p; + int count = 0; + + Pitch last = p; + for (SCM s = l; scm_is_pair (s); s = scm_cdr (s)) + { + if (Music *m = unsmob (scm_car (s))) + { + last = m->to_relative_octave (last); + if (!count++) + first = last; + } + } + + return (ret_first) ? first : last; +} -Music_sequence::Music_sequence () - : Music (SCM_EOL) +void +compress_music_list (SCM l, Moment m) { - + for (SCM s = l; scm_is_pair (s); s = scm_cdr (s)) + unsmob (scm_car (s))->compress (m); } Moment -Music_sequence::minimum_start () const +Music_sequence::minimum_start (SCM l) { Moment m; - - for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s)) - { - m = m start_mom (); - } + + for (SCM s = l; scm_is_pair (s); s = scm_cdr (s)) + m = min (m, unsmob (scm_car (s))->start_mom ()); return m; } Moment -Music_sequence::first_start () const +Music_sequence::first_start (SCM l) { - Moment m; - - for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s)) + + for (SCM s = l; scm_is_pair (s); s = scm_cdr (s)) { - Music * mus = unsmob_music (gh_car (s)); - Moment l = mus->length_mom (); - - if (l.main_part_) - return mus->start_mom (); - else if (l.grace_part_) - { - m.grace_part_ = - l.grace_part_; - return m; - } + Music *mus = unsmob (scm_car (s)); + Moment start = mus->start_mom (); + if (mus->get_length ().to_bool () || start.to_bool ()) + return start; } - return m; + return Moment (); +} + +MAKE_SCHEME_CALLBACK (Music_sequence, simultaneous_relative_callback, 2); +SCM +Music_sequence::simultaneous_relative_callback (SCM music, SCM pitch) +{ + Music *me = unsmob (music); + Pitch p = *unsmob (pitch); + return music_list_to_relative (me->get_property ("elements"), + p, false).smobbed_copy (); } +MAKE_SCHEME_CALLBACK (Music_sequence, event_chord_relative_callback, 2); +SCM +Music_sequence::event_chord_relative_callback (SCM music, SCM pitch) +{ + Music *me = unsmob (music); + Pitch p = *unsmob (pitch); + return music_list_to_relative (me->get_property ("elements"), + p, true).smobbed_copy (); +}