/*
- music.hh -- declare Music
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-*/
+ 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 MUSIC_HH
#define MUSIC_HH
-#include "virtual-methods.hh"
-#include "input.hh"
-#include "minterval.hh"
-#include "lily-proto.hh"
-#include "string.hh"
+#include "smobs.hh"
+#include "moment.hh"
+#include "pitch.hh"
+#include "prob.hh"
+
+#define is_mus_type(x) internal_is_music_type (ly_symbol2scm (x))
-/**
- Anything which has length or pitch.
-
- In Lily, everything that can be thought to have a length and a pitch
- (which has a duration which can be transposed) is considered "music",
+class Music : public Prob
+{
+public:
+ Music (SCM init);
+ Music (Music const &m);
+ VIRTUAL_COPY_CONSTRUCTOR (Music, Music);
- Music is hierarchical:
+ Input *origin () const;
+ void set_spot (Input);
- @see Music_sequence
+ bool internal_is_music_type (SCM) const;
- */
-class Music:public Input {
-public:
-
- /** The kind of iterator needed to walk this music. This doesn't
- make sense for simple (ie non-list) music, but it does no harm
- here. Yes, it did harm Music_sequence: you can forget to copy it.
-
- */
- String translator_type_str_;
-
- /// what name (or look for this name)
- String translator_id_str_;
-
- virtual Musical_pitch to_relative_octave (Musical_pitch);
- virtual Moment duration () const;
-
- virtual ~Music(){}
- void print() const;
- virtual void transpose (Musical_pitch );
- virtual void compress (Moment);
- VIRTUAL_COPY_CONS(Music,Music);
- DECLARE_MY_RUNTIME_TYPEINFO;
- Music();
+ Stream_event *to_event () const;
+
+ DECLARE_SCHEME_CALLBACK (relative_callback, (SCM, SCM));
+ Pitch to_relative_octave (Pitch);
+ Pitch generic_to_relative_octave (Pitch);
+ Moment get_length () const;
+ Moment start_mom () const;
+ void print () const;
+ static Music *unsmob (SCM m) {
+ return dynamic_cast <Music *> (Prob::unsmob (m));
+ }
+ static bool is_smob (SCM m) {
+ return Prob::is_smob (m) && unsmob (m);
+ }
+
+ /// Transpose, with the interval central C to #p#
+ void transpose (Pitch p);
+
+ /// Scale the music in time by #factor#.
+ void compress (Moment factor);
+
+ // Broadcast the event in a context's event-source.
+ void send_to_context (Context *c);
+
+ DECLARE_SCHEME_CALLBACK (duration_length_callback, (SCM));
+
+protected:
+ virtual SCM copy_mutable_properties () const;
+ virtual void type_check_assignment (SCM, SCM) const;
+ virtual void derived_mark () const;
protected:
- virtual void do_print() const;
+ SCM length_callback_;
+ SCM start_callback_;
+ friend SCM ly_extended_make_music (SCM, SCM);
};
-#endif // MUSIC_HH
+Music *make_music_by_name (SCM sym);
+SCM ly_music_deep_copy (SCM);
+SCM ly_camel_case_2_lisp_identifier (SCM name_sym);
+extern SCM ly_music_p_proc;
+/* common transposition function for music and event */
+void transpose_mutable (SCM alist, Pitch delta);
+#endif /* MUSIC_HH */
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