-/*
+/*
pitch.hh -- declare Pitch
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 1998--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#ifndef MUSICAL_PITCH_HH
#define MUSICAL_PITCH_HH
#include "smobs.hh"
/** A "tonal" pitch. This is a pitch used in diatonal western music
- (24 quartertones in an octave), as opposed to a frequency in Hz or a
- integer number of semitones.
+ (24 quartertones in an octave), as opposed to a frequency in Hz or a
+ integer number of semitones.
- Pitch is lexicographically ordered by (octave, notename,
- alteration).
-
+ Pitch is lexicographically ordered by (octave, notename,
+ alteration).
- TODO:
- - add indeterminate octaves, so it can be used as a key in keySigature
+ TODO:
+ - add indeterminate octaves, so it can be used as a key in keySigature
*/
class Pitch
{
private: // fixme
/*
TODO: use SCM
- */
+ */
int notename_;
int alteration_;
int octave_;
-
+
void transpose (Pitch);
void up_to (int);
void down_to (int);
void normalise ();
public:
-
+
int get_octave () const;
int get_notename () const;
int get_alteration () const;
- Pitch (int octave, int notename,int accidental);
+ Pitch (int octave, int notename, int accidental);
Pitch ();
Pitch transposed (Pitch) const;
Pitch to_relative_octave (Pitch) const;
- static int compare (Pitch const&,Pitch const&);
+ static int compare (Pitch const &, Pitch const &);
int steps () const;
- int semitone_pitch () const;
- int quartertone_pitch () const;
+ int semitone_pitch () const;
+ int quartertone_pitch () const;
String to_string () const;
DECLARE_SCHEME_CALLBACK (less_p, (SCM a, SCM b));
DECLARE_SIMPLE_SMOBS (Pitch,);
};
-enum {
- DOUBLE_FLAT = -4,
- THREE_Q_FLAT,
- FLAT ,
- SEMI_FLAT,
- NATURAL,
- SEMI_SHARP,
- SHARP ,
- THREE_Q_SHARP,
- DOUBLE_SHARP,
-};
-
-SCM ly_pitch_diff (SCM pitch, SCM root);
+enum
+ {
+ DOUBLE_FLAT = -4,
+ THREE_Q_FLAT,
+ FLAT,
+ SEMI_FLAT,
+ NATURAL,
+ SEMI_SHARP,
+ SHARP,
+ THREE_Q_SHARP,
+ DOUBLE_SHARP,
+ };
+
+SCM ly_pitch_diff (SCM pitch, SCM root);
SCM ly_pitch_transpose (SCM p, SCM delta);
-DECLARE_UNSMOB(Pitch,pitch);
+DECLARE_UNSMOB (Pitch, pitch);
INSTANTIATE_COMPARE (Pitch, Pitch::compare);
-int compare (Array<Pitch>*, Array<Pitch>*);
+int compare (Array<Pitch> *, Array<Pitch> *);
extern SCM pitch_less_proc;
-Pitch pitch_interval (Pitch const & from , Pitch const & to );
+Pitch pitch_interval (Pitch const &from, Pitch const &to);
#endif /* MUSICAL_PITCH_HH */
-