ZoomableController class
A controller which handles the zoomLevel, and actual rect commonly across multiple widgets.
- Inheritance
-
- Object
- ChangeNotifier
- ZoomableController
Constructors
- ZoomableController({Matrix4? matrix})
- Creates a ZoomableController.
Properties
- absoluteBounds ↔ Rect
-
Holds the absoluteBounds of the zoomable widget.
getter/setter pair
- action → ActionType
-
Holds the current action type of the widget.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- matrix → Matrix4
-
By defaults it will be a identity matrix, which corresponds to no
transformation.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- zoomLevel ↔ double
-
Holds the current zoomLevel of the zoomable widget.
getter/setter pair
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 nonexistent 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
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited