ColorSwatch<T> class Null safety

A color that has a small table of related colors called a "swatch".

The table is indexed by values of type T.

See also:

Inheritance
Implementers
Annotations

Constructors

ColorSwatch(int primary, Map<T, Color> _swatch)
Creates a color that has a small table of related colors called a "swatch".
const

Properties

alpha int
The alpha channel of this color in an 8 bit value.
read-only, inherited
blue int
The blue channel of this color in an 8 bit value.
read-only, inherited
green int
The green channel of this color in an 8 bit value.
read-only, inherited
hashCode int
The hash code for this object.
read-only, override
opacity double
The alpha channel of this color as a double.
read-only, inherited
red int
The red channel of this color in an 8 bit value.
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
value int
A 32 bit value representing this color.
final, inherited

Methods

computeLuminance() double
Returns a brightness value between 0 for darkest and 1 for lightest.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toString() String
A string representation of this object.
override
withAlpha(int a) Color
Returns a new color that matches this color with the alpha channel replaced with a (which ranges from 0 to 255).
inherited
withBlue(int b) Color
Returns a new color that matches this color with the blue channel replaced with b (which ranges from 0 to 255).
inherited
withGreen(int g) Color
Returns a new color that matches this color with the green channel replaced with g (which ranges from 0 to 255).
inherited
withOpacity(double opacity) Color
Returns a new color that matches this color with the alpha channel replaced with the given opacity (which ranges from 0.0 to 1.0).
inherited
withRed(int r) Color
Returns a new color that matches this color with the red channel replaced with r (which ranges from 0 to 255).
inherited

Operators

operator ==(Object other) bool
The equality operator.
override
operator [](T index) Color?
Returns an element of the swatch table.

Static Methods

lerp<T>(ColorSwatch<T>? a, ColorSwatch<T>? b, double t) ColorSwatch<T>?
Linearly interpolate between two ColorSwatches.
override