RayWithLuminance<T extends Ray> class final

Color with cached luminance for performance.

Inheritance

• Object
• Ray
• RayWithLuminance

Available extensions

• RayToFlutterColor
• RayWithLuminanceOklchExtensions
• RayWithLuminanceRgb8Extensions

Constructors

RayWithLuminance(T _ray, double _precomputedLuminance)

Creates RayWithLuminance with cached luminance

const

Properties

alpha → int

Available on RayWithLuminance<RayRgb8>, provided by the RayWithLuminanceRgb8Extensions extension

no setter

blue → int

Available on RayWithLuminance<RayRgb8>, provided by the RayWithLuminanceRgb8Extensions extension

no setter

c → double

Available on RayWithLuminance<RayOklch>, provided by the RayWithLuminanceOklchExtensions extension

no setter

colorSpace → ColorSpace

The color space used by this Ray implementation.

no setter, override

green → int

Available on RayWithLuminance<RayRgb8>, provided by the RayWithLuminanceRgb8Extensions extension

no setter

h → double

Available on RayWithLuminance<RayOklch>, provided by the RayWithLuminanceOklchExtensions extension

no setter

hashCode → int

The hash code for this object.

no setter, override

inverse → Ray

Returns the color with inverted color values, preserving opacity.

no setter, override

isDark → bool

Whether this color is considered dark

no setter

isLight → bool

Whether this color is considered light.

no setter

l → double

Available on RayWithLuminance<RayOklch>, provided by the RayWithLuminanceOklchExtensions extension

Oklch component getters

no setter

luminance → double

Returns cached luminance

no setter, override

onRay → RayWithLuminance<Ray>

Returns contrast color for text on this color.

no setter

opacity → double

The opacity of this color (0.0 = transparent, 1.0 = opaque).

no setter, override

red → int

Available on RayWithLuminance<RayRgb8>, provided by the RayWithLuminanceRgb8Extensions extension

RGB component getters

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

lerp(Ray other, double t) → Ray

Linearly interpolates between this color and other.

override

maxContrast(Ray a, Ray b) → Ray

Returns the color (a or b) with the highest contrast to this color.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toArgbInt() → int

Available on RayWithLuminance<RayRgb8>, provided by the RayWithLuminanceRgb8Extensions extension

toColor() → Color

Available on Ray, provided by the RayToFlutterColor extension

Converts this RayRgb8 to a Flutter Color.

toColorSpace<T extends Ray>() → T

Converts this color to a different color space.

inherited

toColorWithOpacity(double opacity) → Color

Available on Ray, provided by the RayToFlutterColor extension

Converts this Ray to a Flutter Color with specific opacity.

toHex([int length = 6, HexFormat format = HexFormat.rgba]) → String

Returns hex string.

toHsl() → RayHsl

Converts this color to HSL representation.

override

toJson() → dynamic

Returns the color as a JSON-serializable value.

override

toList() → List<num>

Returns the color components as a list.

override

toOklab() → RayOklab

Converts this color to Oklab representation.

override

toOklch() → RayOklch

Converts this color to Oklch representation.

override

toRgb16() → RayRgb16

Converts this color to 16-bit RGB representation.

override

toRgb8() → RayRgb8

Converts this color to 8-bit RGB representation.

override

toRgbaInt() → int

Available on RayWithLuminance<RayRgb8>, provided by the RayWithLuminanceRgb8Extensions extension

toRgbaStr() → String

Available on RayWithLuminance<RayRgb8>, provided by the RayWithLuminanceRgb8Extensions extension

toRgbInt() → int

Available on RayWithLuminance<RayRgb8>, provided by the RayWithLuminanceRgb8Extensions extension

toRgbStr() → String

Available on RayWithLuminance<RayRgb8>, provided by the RayWithLuminanceRgb8Extensions extension

RGB-specific output methods

toString() → String

A string representation of this object.

override

withChroma(double chroma) → RayWithLuminance<RayOklch>

Available on RayWithLuminance<RayOklch>, provided by the RayWithLuminanceOklchExtensions extension

withHue(double hue) → RayWithLuminance<RayOklch>

Available on RayWithLuminance<RayOklch>, provided by the RayWithLuminanceOklchExtensions extension

withLightness(double lightness) → RayWithLuminance<RayOklch>

Available on RayWithLuminance<RayOklch>, provided by the RayWithLuminanceOklchExtensions extension

Oklch-specific manipulation methods

withOpacity(double opacity) → RayWithLuminance<T>

Creates a new color with different opacity (0.0-1.0).

override

Operators

operator ==(Object other) → bool

The equality operator.

override

Static Methods

fromRay<T extends Ray>(T ray) → RayWithLuminance<T>

Factory with automatic type inference