/*
- performer.hh -- declare Performer
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1996--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1996--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
+
+ 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 <http://www.gnu.org/licenses/>.
*/
#ifndef PERFORMER_HH
#include "grob-info.hh"
#include "translator.hh"
-/* Convert a music definition into a audio representation.
+/* Convert a music definition into an audio representation.
A baseclass. */
class Performer : public Translator
{
VIRTUAL_COPY_CONSTRUCTOR (Translator, Performer);
friend class Performer_group;
Performer_group *get_daddy_performer () const;
+ static Performer *unsmob (SCM perf) {
+ return dynamic_cast <Performer *> (Translator::unsmob (perf));
+ }
+ static bool is_smob (SCM perf) {
+ return Translator::is_smob (perf) && unsmob (perf);
+ }
protected:
virtual void announce_element (Audio_element_info);
virtual void acknowledge_audio_element (Audio_element_info);
virtual void create_audio_elements ();
- virtual int get_tempo () const;
- virtual void play_element (Audio_element *elem);
};
#endif /* PERFORMER_HH */