/*
- 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--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2004 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 "minterval.hh"
-#include "lily-proto.hh"
-#include "string.hh"
#include "smobs.hh"
-#include "music-constructor.hh"
-
-
-#define is_mus_type(x) internal_is_music_type(ly_symbol2scm (x))
+#include "moment.hh"
+#include "pitch.hh"
+#include "prob.hh"
-/** Music is anything that has duration and supports both time compression and
- transposition.
-
- 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",
+#define is_mus_type(x) internal_is_music_type (ly_symbol2scm (x))
- Music is hierarchical:
-
- @see Music_sequence
-
-
- TODO: make a equalp function for general music.
- */
-class Music
+class Music : public Prob
{
public:
- Music ();
+ Music (SCM init);
Music (Music const &m);
VIRTUAL_COPY_CONSTRUCTOR (Music, Music);
- Input *origin () const;
- void set_spot (Input);
+ Input *origin () const;
+ void set_spot (Input);
- SCM internal_get_property (SCM) const;
- void internal_set_property (SCM , SCM val);
- SCM get_property_alist (bool mut) const;
bool internal_is_music_type (SCM) const;
-
- virtual Pitch to_relative_octave (Pitch);
- String name () const;
- /// The duration of this piece of music
- virtual Moment get_length () const;
- virtual Moment start_mom () const;
+
+ 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);
+
/// Transpose, with the interval central C to #p#
- virtual void transpose (Pitch p);
+ void transpose (Pitch p);
/// Scale the music in time by #factor#.
- virtual void compress (Moment 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:
- DECLARE_SMOBS (Music,);
- SCM immutable_property_alist_;
- SCM mutable_property_alist_;
- friend SCM ly_extended_make_music(SCM,SCM);
+ SCM length_callback_;
+ SCM start_callback_;
+ friend SCM ly_extended_make_music (SCM, SCM);
};
-DECLARE_TYPE_P(Music);
-DECLARE_UNSMOB(Music,music);
+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;
-Music* make_music_by_name (SCM sym);
-SCM ly_deep_mus_copy (SCM);
-SCM ly_music_scorify (SCM);
+/* common transposition function for music and event */
+void transpose_mutable (SCM alist, Pitch delta);
#endif /* MUSIC_HH */