X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fpitch.hh;h=dad2bc1246727c5fc4f5dc016b78c7f2c788347b;hb=67cd07e55d5ec908c246ae543e480d367b61d6b3;hp=676a30c093f8d7811a251e6a3b2177401490ee91;hpb=bc95f4434f760d41191341ab4508b2064eb19025;p=lilypond.git

diff --git a/lily/include/pitch.hh b/lily/include/pitch.hh
index 676a30c093..dad2bc1246 100644
--- a/lily/include/pitch.hh
+++ b/lily/include/pitch.hh
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1998--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1998--2015 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
@@ -17,24 +17,28 @@
   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
+
+class Pitch : public Simple_smob<Pitch>
 {
+public:
+  static SCM equal_p (SCM, SCM);
+  int print_smob (SCM, scm_print_state *) const;
+  SCM mark_smob () const;
+  static const char * const type_p_name_;
 private:
   int octave_;
   int notename_;
@@ -53,13 +57,14 @@ public:
   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;
@@ -70,11 +75,10 @@ public:
   string to_string () const;
 
   DECLARE_SCHEME_CALLBACK (less_p, (SCM a, SCM b));
-  DECLARE_SIMPLE_SMOBS (Pitch);
 };
 
-
-enum {
+enum
+{
   DOUBLE_FLAT = -4,
   THREE_Q_FLAT,
   FLAT,
@@ -86,24 +90,23 @@ enum {
   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);
-DECLARE_UNSMOB (Pitch, pitch);
 
 INSTANTIATE_COMPARE (Pitch, Pitch::compare);
 
 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 */