VHSEffect class

A shader-based VHS / retro tape playback effect.

Simulates analog video artifacts including scanlines, noise grain, tracking errors, color bleeding, vignette, and subtle vertical roll.

{@tool snippet}

GKWidget(
  effect: VHSEffect(
    noiseAmount: 0.1,
    trackingError: 0.05,
  ),
  trigger: GKTrigger.auto,
)

{@end-tool}

Inheritance

• Object
• GKEffect
• VHSEffect

Constructors

VHSEffect({double noiseAmount = 0.1, double trackingError = 0.05})

Creates a VHSEffect.

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

noiseAmount → double

The intensity of random noise grain overlaid on the image.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

trackingError → double

The strength of horizontal tracking error displacement.

final

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.

inherited

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