Offset class

A 2D offset in terminal character cells (integer-positioned).

Offsets can represent either a point relative to a separately-tracked origin (e.g. a child's position inside its parent) or a vector that can be added to other coordinates.

Annotations

• @immutable

Constructors

Offset(int dx, int dy)

Stores an integer terminal-cell displacement of (dx, dy).

const

Properties

dx → int

The x component of the offset, in cells.

final

dy → int

The y component of the offset, in cells.

final

hashCode → int

The hash code for this object.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator &(Size other) → Rect

Combine this offset and a Size to form a Rect whose top-left corner is at this point and whose extent is the given size.

operator +(Offset other) → Offset

Returns the offset sum of this point and other.

operator -(Offset other) → Offset

Returns the offset difference between this point and other.

operator ==(Object other) → bool

The equality operator.

override

Constants

zero → const Offset

An offset with zero magnitude.