ColorDocumentFilter class

Color document filter. This filter is a good starting point for most use cases.

Inheritance

Constructors

ColorDocumentFilter({double contrastEnhancement = 0.5, double colorEnhancement = 0.5, double paperWhitening = 1.0, int paperWhiteningBias = 0})
ColorDocumentFilter.fromJson(Map<String, dynamic> json)
factory

Properties

colorEnhancement ↔ double
Strength of color saturation enhancement. Typical values are between 0 and 1, although higher values are possible.
getter/setter pair
contrastEnhancement ↔ double
Strength of contrast enhancement. Typical values are between 0 and 1, although higher values are possible.
getter/setter pair
hashCode → int
The hash code for this object.
no setterinherited
paperWhitening ↔ double
Paper whitening strength balances color enhancement and paper color improvement. Only relevant if colorEnhancement is above 0. Typical values are between 0 and 2.
getter/setter pair
paperWhiteningBias ↔ int
Paper whitening bias balances between whitening more of the paper of preserving more of the colors. Negative values will preserve more colors, positive values will whiten more of the paper. Only relevant if colorEnhancement is above 0. Typical values are between -25 and 25.
getter/setter pair
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toJson({ToJsonConfiguration? config}) → Map<String, dynamic>
override
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited