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performer-group-performer.cc -- implement Performer_group
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source file of the GNU LilyPond music typesetter
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(c) 1996--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
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Jan Nieuwenhuizen <janneke@gnu.org>
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#include "performer-group.hh"
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#include "audio-element.hh"
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ADD_TRANSLATOR_GROUP (Performer_group,
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Performer_group::announce_element (Audio_element_info info)
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announce_infos_.push_back (info);
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= context ()->get_parent_context ()->implementation ();
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if (Performer_group *eg = dynamic_cast<Performer_group *> (t))
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eg->announce_element (info);
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Performer_group::acknowledge_audio_elements ()
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for (vsize j = 0; j < announce_infos_.size (); j++)
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Audio_element_info info = announce_infos_[j];
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for (SCM p = get_simple_trans_list (); scm_is_pair (p); p = scm_cdr (p))
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Translator *t = unsmob_translator (scm_car (p));
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Performer *eng = dynamic_cast<Performer *> (t);
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if (eng && eng != info.origin_trans_)
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eng->acknowledge_audio_element (info);
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performer_each (SCM list, Performer_method method)
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for (SCM p = list; scm_is_pair (p); p = scm_cdr (p))
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Performer *e = dynamic_cast<Performer *> (unsmob_translator (scm_car (p)));
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Performer_group::do_announces ()
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for (SCM s = context ()->children_contexts ();
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scm_is_pair (s); s = scm_cdr (s))
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Context *c = unsmob_context (scm_car (s));
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Performer_group *group
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= dynamic_cast<Performer_group *> (c->implementation ());
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group->do_announces ();
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performer_each (get_simple_trans_list (),
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&Performer::create_audio_elements);
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if (!announce_infos_.size ())
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acknowledge_audio_elements ();
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announce_infos_.clear ();
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Performer_group::play_element (Audio_element *e)
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Context *c = context_->get_parent_context ();
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Performer_group *pgp = dynamic_cast<Performer_group *> (c->implementation ());
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pgp->play_element (e);
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Performer_group::get_tempo () const
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Context *c = context_->get_parent_context ();
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Performer_group *pgp = dynamic_cast<Performer_group *> (c->implementation ());
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return pgp->get_tempo ();