TransformationController class Null safety

A thin wrapper on ValueNotifier whose value is a Matrix4 representing a transformation.

The value defaults to the identity matrix, which corresponds to no transformation.

See also:

Inheritance

Constructors

TransformationController([Matrix4? value])
Create an instance of TransformationController.

Properties

hashCode int
The hash code for this object.
read-onlyinherited
hasListeners bool
Whether any listeners are currently registered.
read-onlyinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
value Matrix4
The current value stored in this notifier.
read / writeinherited

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
dispose() → void
Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
toScene(Offset viewportPoint) Offset
Return the scene point at the given viewport point.
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited