source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-
-
#ifndef MUSIC_HH
#define MUSIC_HH
#include "virtual-methods.hh"
-#include "input.hh"
-#include "minterval.hh"
-#include "lily-proto.hh"
-#include "string.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",
+#include "smobs.hh"
+#include "moment.hh"
+#include "pitch.hh"
- Music is hierarchical:
+#define is_mus_type(x) internal_is_music_type (ly_symbol2scm (x))
- @see Music_sequence
-
- */
-class Music:public Input {
+class Music
+{
public:
-
- /** The kind of translation needed for 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 identification for the translation unit
- String translator_id_str_;
-
- virtual Musical_pitch to_relative_octave (Musical_pitch);
+ Music (SCM init);
+ Music (Music const &m);
+ VIRTUAL_COPY_CONSTRUCTOR (Music, Music);
+
+ Input *origin () const;
+ void set_spot (Input);
+
+ SCM internal_get_property (SCM) const;
+ void internal_set_property (SCM, SCM val);
+ SCM internal_get_object (SCM) const;
+ void internal_set_object (SCM, SCM val);
+ SCM get_property_alist (bool mutble) const;
+ bool internal_is_music_type (SCM) const;
+
+ DECLARE_SCHEME_CALLBACK (relative_callback, (SCM, SCM));
+ Pitch to_relative_octave (Pitch);
+ Pitch generic_to_relative_octave (Pitch);
+ String name () const;
+ Moment get_length () const;
+ Moment start_mom () const;
+ void print () const;
- /// The duration of this piece of music
- virtual Moment duration () const;
-
- virtual ~Music(){}
- void print() const;
/// Transpose, with the interval central C to #p#
- virtual void transpose (Musical_pitch p);
+ void transpose (Pitch p);
/// Scale the music in time by #factor#.
- virtual void compress (Moment factor);
- VIRTUAL_COPY_CONS(Music,Music);
- DECLARE_MY_RUNTIME_TYPEINFO;
- Music();
+ void compress (Moment factor);
+
+ DECLARE_SCHEME_CALLBACK (duration_length_callback, (SCM));
protected:
- virtual void do_print() const;
-};
+ DECLARE_SMOBS (Music,);
-#endif // MUSIC_HH
+ SCM immutable_property_alist_;
+ SCM mutable_property_alist_;
+protected:
+ 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);
+#endif /* MUSIC_HH */