release: 1.0.1

[lilypond.git] / lib / include / duration-convert.hh

diff --git a/lib/include/duration-convert.hh b/lib/include/duration-convert.hh
index ef80462f787add5a8af77fc1a96d32b389be3bb7..fc7ee51d970b69a30e9a4b67cc083e93ba5cc563 100644 (file)
--- a/lib/include/duration-convert.hh
+++ b/lib/include/duration-convert.hh
@@ -1,10 +1,9 @@
-
 /*
          duration-convert.hh -- declare 
 
   source file of the LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 
@@ -12,6 +11,8 @@
 #define DURATION_CONVERT_HH
 #include "duration.hh"
 #include "string.hh"
+//#include "array.hh"
+#include "array.hh"
 
 /**
        Duration_convert handles all conversions to -n fro Duration (dur).
@@ -23,87 +24,60 @@
 
        SUGGESTION: currently a moment in time is called moment too;
        let-s typedef Rational When too, so that we get 
-       When Staff_column::when(), Moment Voice_element::mom().
+       When Staff_column::when (), Moment Voice_element::mom ().
+
+       [todo]
+       move all statics to real members, instantiate Duration_convert
+       object (s).
 */
 struct Duration_convert {
        
-    /* Urgh. statics.
-     */
-    static bool const midi_as_plet_b_s = true;
-    static bool no_quantify_b_s;
-    static bool no_double_dots_b_s;
-    static bool no_triplets_b_s;
-    static int no_smaller_than_i_s;
-
-//     /// Most used division in MIDI, all fine with me.
-//     static int const division_1_c_i = 384;
-
-//     /// Return (integer, division) representation.
-//     static int dur2_i( Duration dur, int division_1_i = division_1_c_i );
-
-    /// Return number of ticks in (ticks, division_1) representation
-    static int dur2ticks_i( Duration dur );
+  /* Urgh. statics.
+   */
+  static bool const midi_as_plet_b_s = true;
+  static bool no_quantify_b_s;
+  static bool no_double_dots_b_s;
+  static bool no_triplets_b_s;
+  static int no_smaller_than_i_s;
+  static Array<Duration> dur_array_s;
+
+  /// Return number of ticks in (ticks, division_1) representation
+  static int dur2ticks_i (Duration dur );
        
-    /// Return Moment representation (fraction of whole note).
-    static Moment dur2_mom( Duration dur );
+  /// Return the type_i representation of note length i
+  static int i2_type (int i);
 
-    /// Return Mudela string representation.
-    static String dur2_str( Duration dur );
+  /// Return the note length corresponding to the type_i representation
+  /// Return 0 if longer than whole note.
+  static int type2_i (int type);
 
-//     /// Return Moment from (integer, division) representation.
-//     static Moment i2_mom( int i, int division_1_i = division_1_c_i );
+  /// Return Moment representation (fraction of whole note).
+  static Moment dur2_mom (Duration dur );
 
-//     /// Return Moment (fraction of whole) representation, best guess.
-//     static Duration mom2_dur( Moment mom );
+  /// Return Mudela string representation.
+  static String dur2_str (Duration dur );
 
-    /// Return duration from Moment (fraction of whole) representation.
-    static Duration mom2_dur( Moment mom );
+  /// Return duration from Moment (fraction of whole) representation.
+  static Duration mom2_dur (Moment mom );
 
-    /// Return standardised duration, best guess if not exact.
-    static Duration mom2standardised_dur( Moment mom );
+  /// Return standardised duration, best guess if not exact.
+  static Duration mom2standardised_dur (Moment mom );
   
-    /// Return plet factor (not a Moment: should use Rational?).
-    static Moment plet_factor_mom( Duration dur );
-
-    /** Return synchronisation factor for mom, so that
-      mom2_dur( mom / sync_f ) will return the duration dur.           
-      */ 
-    static Real sync_f( Duration dur, Moment mom );
-
-    /// Return exact duration, in midi-ticks if not-exact.
-    static Duration ticks2_dur( int ticks_i );
-
-    /// Return standardised duration, best guess if not exact.
-    static Duration ticks2standardised_dur( int ticks_i );
-};
-
-/// (iter_dur)
-struct Duration_iterator {
-    /// start at shortest: 128:2/3
-    Duration_iterator();
-
-    // **** what about these three here ?
-    /// return forward_dur();
-    Duration operator ++(int); 
-
-    /// return ok()
-    operator bool(); 
-
-    /// return dur()
-    Duration operator ()(); 
-    // ****
+  /// Return plet factor (not a Moment: should use Rational?).
+  static Moment plet_factor_mom (Duration dur );
 
-    /// return current dur
-    Duration dur();
+  static void set_array ();
 
-    /// return dur(), step to next
-    Duration forward_dur();
+  /** Return synchronisation factor for mom, so that
+      mom2_dur (mom / sync_f ) will return the duration dur.           
+  */ 
+  static Real sync_f (Duration dur, Moment mom );
 
-    /// durations left?
-    bool ok();
+  /// Return exact duration, in midi-ticks if not-exact.
+  static Duration ticks2_dur (int ticks_i );
 
-private:
-    Duration cursor_dur_;
+  /// Return standardised duration, best guess if not exact.
+  static Duration ticks2standardised_dur (int ticks_i );
 };