source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#define MUSIC_HH
#include "virtual-methods.hh"
-#include "input.hh"
#include "minterval.hh"
#include "lily-proto.hh"
#include "string.hh"
+#include "smobs.hh"
+#include "music-constructor.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",
+ (which has a duration which can be transposed) is considered "music",
Music is hierarchical:
@see Music_sequence
+
+ TODO: make a equalp function for general music.
*/
-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_;
+ Input *origin () const;
+ void set_spot (Input);
+
+ SCM get_mus_property (const char*) const;
+ SCM get_mus_property (SCM) const;
+ void set_mus_property (const char * , SCM val);
+ void set_immutable_mus_property (const char * , SCM val);
+ void set_immutable_mus_property (SCM key, SCM val);
+ void set_mus_property (SCM , SCM val);
+ void set_mus_pointer (const char*, SCM val);
+ SCM remove_mus_property (const char* nm);
- virtual Musical_pitch to_relative_octave (Musical_pitch);
+ virtual Pitch to_relative_octave (Pitch);
/// The duration of this piece of music
- virtual Moment duration () const;
+ virtual Moment length_mom () const;
- virtual ~Music(){}
- void print() const;
+ void print () const;
/// Transpose, with the interval central C to #p#
- virtual void transpose (Musical_pitch p);
+ virtual 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();
+ VIRTUAL_COPY_CONS (Music);
+ Music ();
+ Music (Music const &m);
+ Music (SCM);
protected:
- virtual void do_print() const;
+ DECLARE_SMOBS (Music,);
+ SCM immutable_property_alist_;
+ SCM mutable_property_alist_;
};
+
+Music * unsmob_music (SCM);
#endif // MUSIC_HH