lily/include/key.hh

   1 /*
   2   key.hh -- declare Key, Octave_key
   3
   4   (c) 1996--1999 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef KEY_HH
   8 #define KEY_HH
   9
  10 #include "array.hh"
  11 #include "scalar.hh"
  12 #include "lily-proto.hh"
  13
  14 /// administration of current key in one octave.
  15 class Octave_key {
  16
  17 public:
  18   Array<int> accidental_i_arr_;
  19   void clear ();
  20   Octave_key();
  21   void set (int i, int acc);
  22   int acc (int i) const { return accidental_i_arr_[i]; }
  23   void print () const;
  24 };
  25
  26 /// administration of accidentals
  27 class Key
  28 {
  29   /** for each octave a key. Has to be private since octave 0 isn't member 0.
  30    */
  31   Array<Octave_key> octaves_;
  32   int octave_to_index (int) const;
  33 public:
  34   bool multi_octave_b_;
  35
  36   void clear ();
  37   Octave_key const& oct (int) const;
  38   void set (int name, int acc);
  39   void set (Musical_pitch);
  40
  41   bool different_acc (Musical_pitch) const;
  42
  43   Key();
  44   void print () const;
  45 };
  46
  47 #endif // KEY_HH
  48
  49