diatonicpitch.h

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#ifndef DIATONICPITCH_H_
#define DIATONICPITCH_H_

#include "score/interval.h"
#include <QString>

class CADiatonicKey;

class CADiatonicPitch {
public:
        enum CANoteName {
                Undefined = -1,
                C = 0,
                D = 1,
                E = 2,
                F = 3,
                G = 4,
                A = 5,
                B = 6
        };

        enum CAMidiPitchMode {
                PreferAuto = 0,
                PreferSharps = 1,
                PreferFlats = -1
        };

        CADiatonicPitch();
        CADiatonicPitch( const QString& pitch );
        CADiatonicPitch( const int& noteName, const int& accs=0 );

        bool operator==(CADiatonicPitch);
        inline bool operator!=(CADiatonicPitch p) { return !operator==(p); }

        bool operator==(int noteName);
        inline bool operator!=(int p) { return !operator==(p); }

        CADiatonicPitch operator+(CAInterval);
        CADiatonicPitch operator-(CAInterval i) {
                return operator+( CAInterval( i.quality(), i.quantity()*(-1) ) );
        }

        inline const int noteName() const { return _noteName; }
        inline const int accs() const { return _accs; }

        inline void setNoteName( const int noteName ) { _noteName = noteName; }
        inline void setAccs( const int accs ) { _accs = accs; }
        inline int midiPitch() { return CADiatonicPitch::diatonicPitchToMidiPitch(*this); }

        static const QString diatonicPitchToString( CADiatonicPitch p );
        static CADiatonicPitch diatonicPitchFromString( const QString s );

        static CADiatonicPitch diatonicPitchFromMidiPitch( int midiPitch, CAMidiPitchMode m = PreferAuto );
        static CADiatonicPitch diatonicPitchFromMidiPitchKey( int midiPitch, CADiatonicKey k, CAMidiPitchMode m = PreferAuto );
        static int diatonicPitchToMidiPitch( const CADiatonicPitch& dp );

private:
        int _noteName; // 0-sub-contra C, 1-D, 2-E etc.
        int _accs;     // 0-neutral, 1-sharp, -1-flat etc.
};
#endif /* DIATONICPITCH_H_ */