BorderRadiusDirectional class

An immutable set of radii for each corner of a rectangle, but with the corners specified in a manner dependent on the writing direction.

This can be used to specify a corner radius on the leading or trailing edge of a box, so that it flips to the other side when the text alignment flips (e.g. being on the top right in English text but the top left in Arabic text).

See also:

• BorderRadius, a variant that uses physical labels (topLeft and topRight instead of topStart and topEnd).

Inheritance

• Object
• BorderRadiusGeometry
• BorderRadiusDirectional

Constructors

BorderRadiusDirectional.all(Radius radius)

Creates a border radius where all radii are radius.

const

BorderRadiusDirectional.circular(double radius)

Creates a border radius where all radii are Radius.circular(radius).

BorderRadiusDirectional.horizontal({Radius start = Radius.zero, Radius end = Radius.zero})

Creates a horizontally symmetrical border radius where the start and end sides of the rectangle have the same radii.

const

BorderRadiusDirectional.only({Radius topStart = Radius.zero, Radius topEnd = Radius.zero, Radius bottomStart = Radius.zero, Radius bottomEnd = Radius.zero})

Creates a border radius with only the given non-zero values. The other corners will be right angles.

const

BorderRadiusDirectional.vertical({Radius top = Radius.zero, Radius bottom = Radius.zero})

Creates a vertically symmetric border radius where the top and bottom sides of the rectangle have the same radii.

const

Properties

bottomEnd → Radius

The bottom-end Radius.

final

bottomStart → Radius

The bottom-start Radius.

final

hashCode → int

The hash code for this object.

no setter, inherited

isUniform → bool

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

topEnd → Radius

The top-end Radius.

final

topStart → Radius

The top-start Radius.

final

uniform → Radius

no setter, override

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

resolve(TextDirection? direction) → BorderRadius

Convert this instance into a BorderRadius, so that the radii are expressed for specific physical corners (top-left, top-right, etc) rather than in a direction-dependent manner.

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Constants

zero → const BorderRadiusDirectional

A border radius with all zero radii.