GKEffectComposer class

Composes multiple GKEffects into a single stacked effect.

Each effect is rendered as a layer. All effects share the same GKController provided by the hosting GKWidget. An optional blend mode controls how the layers composite together.

{@tool snippet}

GKWidget(
  effect: GKEffectComposer(
    effects: [
      GlitchEffect(blockSize: 0.04),
      AuroraEffect(speed: 0.5),
    ],
    blend: GKBlendMode.screen,
  ),
  trigger: GKTrigger.auto,
)

{@end-tool}

Inheritance

• Object
• GKEffect
• GKEffectComposer

Constructors

GKEffectComposer({required List<GKEffect> effects, GKBlendMode blend = GKBlendMode.normal})

Creates a GKEffectComposer.

const

Properties

blend → GKBlendMode

The blend mode applied when compositing effect layers.

final

effects → List<GKEffect>

The list of effects rendered as stacked layers.

final

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

build(BuildContext context, GKController controller, {Widget? child}) → Widget

Builds the widget tree for this effect.

override

dispose() → void

Override to release resources held by this effect.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited