LayerKey<T extends Layer> class

Cache for Layer objects, used by BoxyLayerContext methods.

Preserving Layers between paints can significantly improve performance in some cases, this class provides a convenient way of identifying them.

See also:

• BoxyDelegate
• BoxyLayerContext

Constructors

LayerKey()

Properties

handle → LayerHandle<T>

The underlying handle that prevents the layer from being disposed prematurely.

final

hashCode → int

The hash code for this object.

no setter, inherited

layer ↔ T?

The current cached layer.

getter/setter pair

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.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited