/*
- duration.hh -- declare Duration
-
- source file of the LilyPond music typesetter
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ Copyright (C) 1997--2015 Jan Nieuwenhuizen <janneke@gnu.org>
+ 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 DURATION_HH
#define DURATION_HH
-#include "flower-proto.hh"
-#include "rational.hh"
-
+#include "moment.hh"
/**
A musical duration.
- */
-struct Duration {
+*/
+struct Duration : public Simple_smob<Duration>
+{
+ static SCM equal_p (SCM, SCM);
+ int print_smob (SCM, scm_print_state *);
+ static const char type_p_name_[];
Duration ();
- /// is the "plet factor" of this note != 1 ?
- bool plet_b ();
- String str () const;
- void set_plet (int,int );
- void compress (Rational);
- Rational length_mom () const ;
+ Duration (int, int);
+ Duration (Rational, bool scale);
+ string to_string () const;
+
+ Duration compressed (Rational) const;
+ Rational get_length () const;
+ Rational factor () const { return factor_; }
+ int duration_log () const;
+ int dot_count () const;
+
+ static int compare (Duration const &, Duration const &);
+ DECLARE_SCHEME_CALLBACK (less_p, (SCM a, SCM b));
+
+private:
/// Logarithm of the base duration.
- int durlog_i_;
- int dots_i_;
- int tuplet_iso_i_; // 2/3; 2 is not duration, maar of count!
- int tuplet_type_i_;
+ int durlog_;
+ int dots_;
+ Rational factor_;
};
-#endif // DURATION_HH
+INSTANTIATE_COMPARE (Duration, Duration::compare);
+
+extern SCM Duration_type_p_proc;
+
+#endif // DURATION_HH