RadialShadedSteps class

Construct a new RadialShadedSteps that progresses from one color to the next in hard steps, each with its own intrinsic "shading," as opposed to smooth transitions by way of "quadruplicating" colors and stops.

Consider RadialSteps for more information.
The difference for FooShadedSteps is that instead of duplicating a color to make it hard step at each transition, each color and stop is laid out according to a softness, shadeFunction and shadeFactor to provide the same effect across four entries instead of only two and allow greater control over the inner appearance of each given step.

Inheritance

• Object
• Gradient
• Steps
• RadialSteps
• RadialShadedSteps

Available Extensions

• GradientUtils
• NillGradients

Constructors

RadialShadedSteps({ColorArithmetic shadeFunction = Shades.withWhite, double shadeFactor = -90, double distance = 0.6, double softness = 0.0, required List<Color> colors, List<double>? stops, AlignmentGeometry center = Alignment.center, double radius = 0.5, AlignmentGeometry? focal, double focalRadius = 0.0, TileMode tileMode = TileMode.clamp, GradientTransform? transform})

A standard Steps gradient differs from the average Gradient in its progression from one color to the next. Instead of smoothly transitioning between colors, Steps have hard edges created by duplicating colors and stops.

const

Properties

asGradient → RadialGradient

Resolve these Steps to its smooth Gradient counterpart by colors and stops duplication, considering softness.

no setter, inherited

center → AlignmentGeometry

The color that correlates to stops entry 0 (the first color) is placed at AlignmentGeometry center, an offset into the (-1,-1) x (1,1) "paintbox" onto which the gradient will be painted.

final, inherited

colors → List<Color>

The colors the gradient should obtain at each of the stops.

final, inherited

distance → double

A value between 0.0 .. 1.0, defaulting at 0.6, that places the "midpoint" for each color shading function in the Steps.

final

focal → AlignmentGeometry?

"The focal point of the gradient. If specified, the gradient will appear to be focused along the vector from center to focal."

final, inherited

focalRadius → double

See RadialGradient.focalRadius.

final, inherited

hashCode → int

The hash code for this object.

no setter, override

radius → double

The distance from center to the outer edge of the final stops entry, or final color, is determined by this radius as a percentage of the shortest side of the "paintbox" onto which to paint this gradient.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

shadeFactor → double

A double to provide to shadeFunction when "shading" each colored step.

final

shadeFunction → ColorArithmetic

For any given "step", comprised of a single color "quadruplicated" across four stops, the shadeFunction will be called on the color and this result is placed as the fourth, final stop for this color step.

final

softness → double

An incredibly small double to provide as an additive for each second entry when duplicating stops for this Steps.

final, inherited

steppedColors → List<Color>

Overrides Steps property to "quadruplicate" with shading instead of only duplicating.

no setter, override

steppedStops → List<double>

Overrides Steps property to "quadruplicate" with shading instead of only duplicating.

no setter, override

stops → List<double>?

A list of values from 0.0 to 1.0 that denote fractions along the gradient.

final, inherited

tileMode → TileMode

How these Steps should tile the plane beyond the region before its starting stop and after its ending stop.

final, inherited

transform → GradientTransform?

The transform, if any, to apply to the gradient.

final, inherited

Methods

copyWith({ColorArithmetic? shadeFunction, double? shadeFactor, double? distance, double? softness, List<Color>? colors, List<double>? stops, TileMode? tileMode, AlignmentGeometry? center, double? radius, AlignmentGeometry? focal, double? focalRadius, GradientTransform? transform}) → RadialShadedSteps

📋 Returns a new copy of this RadialShadedSteps with any provided optional parameters overriding those of this.

override

createShader(Rect rect, {TextDirection? textDirection}) → Shader

Resolve these Steps to its smooth Gradient counterpart, then use that gradient's createShader() method.

inherited

lerpFrom(Gradient? a, double t) → Gradient?

Linearly interpolates from another Gradient to this.

override

lerpTo(Gradient? b, double t) → Gradient?

Linearly interpolates from this to another Gradient.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

scale(double factor) → RadialShadedSteps

Returns a new RadialSteps with its colors scaled by the given factor. Since the alpha channel is what receives the scale factor, 0.0 or less results in a gradient that is fully transparent.

override

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override

Static Methods

lerp(RadialShadedSteps? a, RadialShadedSteps? b, double t) → RadialShadedSteps?

Linearly interpolate between two RadialShadedStepss.

override