Interval class final

Distance between two notes.

See also:

Implemented types
Annotations
  • @immutable

Constructors

Interval.fromQualitySemitones(Size size, int semitones)
Creates a new Interval from size and Quality.semitones.
factory
Interval.fromSemitones(Size size, int semitones)
Creates a new Interval from size and Interval.semitones.
factory
Interval.imperfect(Size size, ImperfectQuality quality)
Creates a new Interval allowing only imperfect quality sizes.
const
Interval.parse(String source)
Parse source as an Interval and return its value.
factory
Interval.perfect(Size size, [PerfectQuality quality = PerfectQuality.perfect])
Creates a new Interval allowing only perfect quality sizes.
const

Properties

hashCode → int
The hash code for this object.
no setteroverride
inverted → Interval
The inverted of this Interval.
no setter
isCompound → bool
Whether this Interval is greater than Size.octave.
no setter
isDescending → bool
Whether this Interval is descending.
no setter
isDissonant → bool
Whether this Interval is dissonant.
no setter
quality → Quality
The quality of this Interval.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
semitones → int
The number of semitones of this Interval.
no setter
simple → Interval
The simplified version of this Interval.
no setter
size → Size
Number of lines and spaces (or alphabet letters) spanning the two notes, including the beginning and end.
final

Methods

circleFrom<T extends Scalable<T>>(T scalable, {required int distance}) → Iterable<T>
The circle of this Interval from scalable up to distance.
compareTo(Interval other) → int
Compares this object to another object.
override
descending({bool isDescending = true}) → Interval
Returns a copy of this Interval based on isDescending.
distanceBetween<T extends Scalable<T>>(T scalable1, T scalable2) → (int, {List<Scalable<T>> notes})
The iteration distance of this Interval between scalable1 and scalable2, including all visited notes.
isEnharmonicWith(ClassMixin<IntervalClass> other) → bool
Whether Class is enharmonically equivalent to other.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
respellBySize(Size size) → Interval
This Interval respelled by size while keeping the same number of semitones.
toClass() → IntervalClass
Creates a new IntervalClass from semitones.
toString({IntervalNotation system = IntervalNotation.standard}) → String
The string representation of this Interval based on system.
override

Operators

operator +(Interval other) → Interval
Adds other to this Interval.
operator <(Interval other) → bool
Whether this Interval is smaller than other, regardless of their direction (ascending or descending).
operator <=(Interval other) → bool
Whether this Interval is smaller than or equal to other, regardless of their direction (ascending or descending).
operator ==(Object other) → bool
The equality operator.
override
operator >(Interval other) → bool
Whether this Interval is larger than other, regardless of their direction (ascending or descending).
operator >=(Interval other) → bool
Whether this Interval is larger than or equal to other, regardless of their direction (ascending or descending).
operator unary-() → Interval
The negation of this Interval.

Constants

A1 → const Interval
An augmented unison Interval.
A2 → const Interval
An augmented second Interval.
A3 → const Interval
An augmented third Interval.
A4 → const Interval
An augmented fourth Interval.
A5 → const Interval
An augmented fifth Interval.
A6 → const Interval
An augmented sixth Interval.
A7 → const Interval
An augmented seventh Interval.
A8 → const Interval
An augmented octave Interval.
A9 → const Interval
An augmented ninth Interval.
A11 → const Interval
An augmented eleventh Interval.
A13 → const Interval
An augmented thirteenth Interval.
d1 → const Interval
A diminished unison Interval.
d2 → const Interval
A diminished second Interval.
d3 → const Interval
A diminished third Interval.
d4 → const Interval
A diminished fourth Interval.
d5 → const Interval
A diminished fifth Interval.
d6 → const Interval
A diminished sixth Interval.
d7 → const Interval
A diminished seventh Interval.
d8 → const Interval
A diminished octave Interval.
d9 → const Interval
A diminished ninth Interval.
d11 → const Interval
A diminished eleventh Interval.
d13 → const Interval
A diminished thirteenth Interval.
M2 → const Interval
A major second Interval.
m2 → const Interval
A minor second Interval.
M3 → const Interval
A major third Interval.
m3 → const Interval
A minor third Interval.
M6 → const Interval
A major sixth Interval.
m6 → const Interval
A minor sixth Interval.
M7 → const Interval
A major seventh Interval.
m7 → const Interval
A minor seventh Interval.
M9 → const Interval
A major ninth Interval.
m9 → const Interval
A minor ninth Interval.
M13 → const Interval
A major thirteenth Interval.
m13 → const Interval
A minor thirteenth Interval.
P1 → const Interval
A perfect unison Interval.
P4 → const Interval
A perfect fourth Interval.
P5 → const Interval
A perfect fifth Interval.
P8 → const Interval
A perfect octave Interval.
P11 → const Interval
A perfect eleventh Interval.