PreprocessingContext class

Context provided to FramePreprocessor with current image analysis metrics.

Constructors

PreprocessingContext({required double luminosity, required double blurScore, required double contrastScore, required ScanMode mode, bool torchEnabled = false, bool isFirstFrame = false, int frameIndex = 0})

const

Properties

blurScore → double

Blur score from Laplacian variance (higher = sharper).

final

contrastScore → double

Contrast ratio (0.0–1.0).

final

frameIndex → int

Frame index in the current session.

final

hashCode → int

The hash code for this object.

no setter, inherited

isFirstFrame → bool

Whether this is the first frame in a new scanning session.

final

luminosity → double

Normalized average luminosity (0.0–1.0).

final

mode → ScanMode

Current scan mode.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

torchEnabled → bool

Whether torch/flash is currently enabled.

final

Methods

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