/*
*
* /// <summary>
* /// True if enharmonic with any of the accidentedDiatonicIntervals
* /// </summary>
* public bool IsEnharmonicWith(params Interval[] qualities)
* {
* if (qualities.Length == 0)
* throw new ArgumentNullException("qualities");
* var tempThis = this;
* var result = qualities.Any(tempThis.IsEnharmonicWith);
*
* return result;
* }
*
* public Interval? ToEnharmonic(Interval interval)
* {
* var result =
* IsEnharmonicWith(interval)
* ? (Interval?) interval
* : null;
*
* return result;
* }
*
* public Interval? ToEnharmonic(params Interval[] qualities)
* {
* if (qualities.Length == 0)
* throw new ArgumentNullException("qualities");
*
* var tmpThis = this;
* foreach (var interval in qualities.Where(tmpThis.IsEnharmonicWith))
* return interval;
* return null;
* }
*
* /// <summary>
* /// Returns a new Interval where explicit natural is replace with natural
* /// </summary>
* public Interval ToNormalizedNatural()
* {
* if (Accidental != Accidental.Natural)
* return this;
*
* var result = new Interval(this.interval, Accidental.None);
*
* return result;
* }
*
*/
public Interval ToInversion()
{
var invertedDiatonicInterval = DiatonicInterval.Invert();
var result = new Interval(invertedDiatonicInterval, !Accidental);
return(result);
}
public Interval(
DiatonicInterval diatonicInterval,
Accidental accidental) : base(GetDistance(diatonicInterval, accidental))
{
DiatonicInterval = diatonicInterval;
Accidental = accidental;
Name = $"{Accidental}{(int) diatonicInterval}";
}
public override int GetHashCode()
{
unchecked
{
int hashCode = base.GetHashCode();
hashCode = (hashCode * 397) ^ DiatonicInterval.GetHashCode();
hashCode = (hashCode * 397) ^ Accidental.GetHashCode();
return(hashCode);
}
}
public bool Equals(Interval other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(base.Equals(other) && DiatonicInterval.Equals(other.DiatonicInterval) && Accidental.Equals(other.Accidental));
}
protected override DiatonicInterval OnAmbitusExceeded(DiatonicInterval generatedInterval, Pitch generatedPitch)
{
if (generatedPitch > MaxPitch)
{
generatedInterval = generatedInterval.MakeDescending();
}
if (generatedPitch < MinPitch)
{
generatedInterval = generatedInterval.MakeAscending();
}
return(generatedInterval);
}
public int CompareTo(Interval other)
{
var result = DiatonicInterval.CompareTo(other.DiatonicInterval);
if (result != 0)
{
return(result);
}
result = Accidental.CompareTo(other.Accidental);
return(result);
}
private static int GetDistance(
DiatonicInterval diatonicInterval,
Accidental accidental)
{
var diatonicDistance = (int)diatonicInterval - 1;
var octave = 0;
if (diatonicDistance >= 8)
{
diatonicDistance -= 8;
octave = 1;
}
if (diatonicDistance < 0)
{
diatonicDistance += 8;
octave = -1;
}
var result = ScaleDefinition.Major.Absolute[diatonicDistance] + accidental.Distance + octave * 8;
return(result);
}
public Interval(DiatonicInterval diatonicInterval)
: this(diatonicInterval, Accidental.None)
{
}
// ReSharper restore InconsistentNaming
public IntervalFilter(DiatonicInterval diatonicInterval)
: base(diatonicInterval)
{
}
protected virtual DiatonicInterval OnAmbitusExceeded(DiatonicInterval generatedInterval, Pitch generatedPitch)
{
return(generatedInterval);
}
