SpacingRelative class

A spacing unit that represents a spacing relative to the parent size.

This spacing unit calculates its value as a fraction of the parent's viewport size along the specified axis. For example, a factor of 0.5 results in spacing equal to 50% of the parent's size.

Implemented types
Available extensions

Constructors

SpacingRelative(double factor)
Creates a relative spacing unit with the specified factor.
const

Properties

factor → double
The relative factor (0.0 to 1.0) of the parent's size.
final
hashCode → int
The hash code for this object.
no setteroverride
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

clamp({SpacingUnit min = const SpacingFixed(0), SpacingUnit max = const SpacingFixed(double.infinity)}) → SpacingUnit

Available on SpacingUnit, provided by the SpacingUnitExtension extension

Constrains this spacing unit within the specified min and max bounds.
computeSpacing({required ParentLayout parent, required LayoutAxis axis, required double viewportSize}) → double
Computes the actual spacing value.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toCodeString() → String
Returns a code string representation of this spacing unit.
override
toString() → String
A string representation of this object.
override

Operators

operator *(Object other) → SpacingUnit

Available on SpacingUnit, provided by the SpacingUnitExtension extension

Multiplies two spacing units.
operator +(SpacingUnit other) → SpacingUnit

Available on SpacingUnit, provided by the SpacingUnitExtension extension

Adds two spacing units together.
operator -(SpacingUnit other) → SpacingUnit

Available on SpacingUnit, provided by the SpacingUnitExtension extension

Subtracts one spacing unit from another.
operator /(SpacingUnit other) → SpacingUnit

Available on SpacingUnit, provided by the SpacingUnitExtension extension

Divides one spacing unit by another.
operator ==(Object other) → bool
The equality operator.
override
operator unary-() → SpacingUnit

Available on SpacingUnit, provided by the SpacingUnitExtension extension

Negates this spacing unit (equivalent to 0 - this).