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:
- InteractiveViewer.transformationController for detailed documentation on how to use TransformationController with InteractiveViewer.
- Inheritance
-
- Object
- ChangeNotifier
- ValueNotifier<
Matrix4> - TransformationController
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.
- 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).
mustCallSuper">@mustCallSuperinherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
notifyListeners(
) → void - Call all the registered listeners.
-
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