OffsetPair class
A container for a local and global Offset pair.
Usually, the global Offset is in the coordinate space of the screen after conversion to logical pixels and the local offset is the same Offset, but transformed to a local coordinate space.
- Annotations
Constructors
- OffsetPair({required Offset local, required Offset global})
-
Creates a OffsetPair combining a local and global Offset.
const
- OffsetPair.fromEventDelta(PointerEvent event)
- Creates a OffsetPair from PointerEvent.localDelta and PointerEvent.delta.
- OffsetPair.fromEventPosition(PointerEvent event)
- Creates a OffsetPair from PointerEvent.localPosition and PointerEvent.position.
Properties
- global → Offset
-
The Offset in the global coordinate space after conversion to logical
pixels.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- local → Offset
-
The Offset in the local coordinate space.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
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 +(
OffsetPair other) → OffsetPair -
Adds the
other.globalto global andother.localto local. -
operator -(
OffsetPair other) → OffsetPair -
Subtracts the
other.globalfrom global andother.localfrom local. -
operator ==(
Object other) → bool -
The equality operator.
inherited
Constants
- zero → const OffsetPair
- A OffsetPair where both Offsets are Offset.zero.