PanZoomAdapter class
Properties
-
hashCode
→ int
-
The hash code for this object.
no setterinherited
-
panScaleEnabled
→ bool
-
Whether the canvas should pan and scale in response to touch events.
no setteroverride
-
runtimeType
→ Type
-
A representation of the runtime type of the object.
no setterinherited
-
selectEnabled
→ bool
-
Whether the canvas should attempt to select objects in response to
touch events.
no setteroverride
-
typeId
→ String
-
The unique identifier of this.
no setteroverride
Methods
-
cancelSelect(DrawNoop object)
→ void
-
The object is no longer being selected. It should no longer render its
hitbox and interactive handles.
override
-
end(DrawNoop object, Color color, Size size)
→ bool
-
Returning
true will keep the object, false will discard it.
override
-
fromJSON(Map encoded)
→ DrawNoop
-
Creates an instance of DrawObject from a JSON object.
override
-
noSuchMethod(Invocation invocation)
→ dynamic
-
Invoked when a nonexistent method or property is accessed.
inherited
-
querySelect(DrawNoop object, Offset focalPoint, Matrix4 transform, Size size)
→ bool
-
Returning
true will select the object.
override
-
select(DrawNoop object)
→ void
-
The object has been chosen as the selected object. It should render its
hitbox and interactive handles, if any.
override
-
selectedEnd(DrawNoop object)
→ bool
-
Returning
false will cancel the selection of the object.
override
-
selectedStart(DrawNoop object, Offset focalPoint, Matrix4 transform, Size size)
→ bool
-
Returning
false will cancel the selection of the object, in which case
selectedUpdate() and selectedEnd() will not be called for the
same interaction.
override
-
selectedUpdate(DrawNoop object, Offset focalPoint, Matrix4 transform, Size size)
→ bool
-
Returning
true will trigger a re-paint.
override
-
selectUpdateColor(DrawNoop object, Color color)
→ void
-
Triggered by a change in
color when an object is selected.
override
-
start(BuildContext context, Offset focalPoint, Color color, Matrix4 transform, Size size)
→ FutureOr<DrawNoop?>
-
Returning
null will discard the object.
override
-
toString()
→ String
-
A string representation of this object.
inherited
-
update(DrawNoop object, Offset focalPoint, Color color, Matrix4 transform, Size size)
→ bool
-
Returning
true will trigger a re-paint.
override
