Filter class

A builder for creating CSS backdrop filter values.

It is used to create a backdrop filter that is applied to the backdrop of a component.

Example

const filters = Filter()
  ..applyBlur(10)
  ..applyBrightness(50)
  ..applyContrast(50)
  ..applyGrayscale(50)
  ..applyHueRotate(50)
  ..applyInvert(Dim(1.5))
  ..applyOpacity(Dim(0.5))
  ..applySaturation(Dim.percent(50))
  ..applySepia(Dim(0.5));

Constructors

Filter()

Properties

cssText → String

Generates a CSS string by concatenating all the filters.

no setter

hashCode → int

The hash code for this object.

no setter, override

props → Map<String, String>

Generates a CSS map entry for the filter.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

applyBlur(double value) → Filter

Adds a blur filter effect.

applyBrightness(double value) → Filter

Adds a brightness filter effect.

applyContrast(double value) → Filter

Adds a contrast filter effect.

applyGrayscale(double value) → Filter

Adds a grayscale filter effect.

applyHueRotate(double value) → Filter

Adds a hue-rotate filter effect.

applyInvert(Dim value) → Filter

Adds a invert filter effect.

applyOpacity(Dim value) → Filter

Adds a opacity filter effect.

applySaturation(Dim value) → Filter

Adds a saturation filter effect.

applySepia(Dim value) → Filter

Adds a sepia filter effect.

clear() → Filter

Removes all filters.

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.

override

Static Properties

dimBlur → Filter

Dim blur effect.

final

dramaticOverlay → Filter

Dramatic overlay effect.

final

frostedGlass → Filter

Frosted glass effect.

final