ScaleUpdateDetails class
Details for GestureScaleUpdateCallback.
Constructors
- ScaleUpdateDetails({Offset focalPoint = Offset.zero, Offset? localFocalPoint, double scale = 1.0, double horizontalScale = 1.0, double verticalScale = 1.0, double rotation = 0.0, int pointerCount = 0, Offset focalPointDelta = Offset.zero, Duration? sourceTimeStamp})
- Creates details for GestureScaleUpdateCallback.
Properties
- focalPoint → Offset
-
The focal point of the pointers in contact with the screen.
final
- focalPointDelta → Offset
-
The amount the gesture's focal point has moved in the coordinate space of
the event receiver since the previous update.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- horizontalScale → double
-
The scale implied by the average distance along the horizontal axis
between the pointers in contact with the screen.
final
- localFocalPoint → Offset
-
The focal point of the pointers in contact with the screen.
final
- pointerCount → int
-
The number of pointers being tracked by the gesture recognizer.
final
- rotation → double
-
The angle implied by the first two pointers to enter in contact with
the screen.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scale → double
-
The scale implied by the average distance between the pointers in contact
with the screen.
final
- sourceTimeStamp → Duration?
-
Recorded timestamp of the source pointer event that triggered the scale
event.
final
- verticalScale → double
-
The scale implied by the average distance along the vertical axis
between the pointers in contact with the screen.
final
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited