/*
- pitch.hh -- declare Pitch
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1998--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1998--2007 Han-Wen Nienhuys <hanwen@xs4all.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 MUSICAL_PITCH_HH
-#define MUSICAL_PITCH_HH
+#ifndef PITCH_HH
+#define PITCH_HH
#include "lily-proto.hh"
#include "smobs.hh"
#include "rational.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.
-/** 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.
-
- Pitch is lexicographically ordered by (octave, notename,
- alteration).
-
+ Pitch is lexicographically ordered by (octave, notename, alteration).
*/
+
class Pitch
{
private:
int get_notename () const;
Rational get_alteration () const;
- Pitch (int octave, int notename, Rational accidental);
- Pitch (int octave, int notename);
+ Pitch (int octave, int notename, Rational accidental = 0);
Pitch ();
Pitch transposed (Pitch) const;
Pitch to_relative_octave (Pitch) const;
+ Pitch normalized () const;
+
static int compare (Pitch const &, Pitch const &);
int steps () const;
DECLARE_SIMPLE_SMOBS (Pitch);
};
-
-enum {
+enum
+{
DOUBLE_FLAT = -4,
THREE_Q_FLAT,
FLAT,
DOUBLE_SHARP,
};
-extern Rational DOUBLE_FLAT_ALTERATION;
-extern Rational THREE_Q_FLAT_ALTERATION;
-extern Rational FLAT_ALTERATION;
-extern Rational SEMI_FLAT_ALTERATION;
-extern Rational NATURAL_ALTERATION;
-extern Rational SEMI_SHARP_ALTERATION;
-extern Rational SHARP_ALTERATION;
-extern Rational THREE_Q_SHARP_ALTERATION;
-extern Rational DOUBLE_SHARP_ALTERATION;
+extern Rational DOUBLE_FLAT_ALTERATION;
+extern Rational THREE_Q_FLAT_ALTERATION;
+extern Rational FLAT_ALTERATION;
+extern Rational SEMI_FLAT_ALTERATION;
+extern Rational NATURAL_ALTERATION;
+extern Rational SEMI_SHARP_ALTERATION;
+extern Rational SHARP_ALTERATION;
+extern Rational THREE_Q_SHARP_ALTERATION;
+extern Rational DOUBLE_SHARP_ALTERATION;
SCM ly_pitch_diff (SCM pitch, SCM root);
SCM ly_pitch_transpose (SCM p, SCM delta);
extern SCM pitch_less_proc;
Pitch pitch_interval (Pitch const &from, Pitch const &to);
+extern SCM Pitch_type_p_proc;
-#endif /* MUSICAL_PITCH_HH */
-
+#endif /* PITCH_HH */