ContrastHelper class Null safety

Concept source: https://stackoverflow.com/a/9733420

Constructors

ContrastHelper()

Properties

hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() String
A string representation of this object. [...]
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited

Static Methods

contrast(dynamic rgb1, dynamic rgb2) double
luminance(int? r, int? g, int? b) double