TransformationController class

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-only, inherited
hasListeners bool
Whether any listeners are currently registered. [...]
@protected, read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
value Matrix4
The current value stored in this notifier. [...]
read / write, inherited

Methods

addListener(void 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 and removeListener will throw after the object is disposed). [...]
@mustCallSuper, inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
notifyListeners() → void
Call all the registered listeners. [...]
@protected, @visibleForTesting, inherited
removeListener(void 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
Returns a string representation of this object.
inherited

Operators

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