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Source - PointerSample
- A description of each sampled data point for a pointer device.
- Viewport
- A rectangular region that directs injected events into a target.
- Data
- A selection of FIFO data sent over the channel.
Each data may have a different issuance policy.
- DeviceType
- A characterization of a device that issues pointer event streams.
- DispatchPolicy
- A specification of the UI clients that may have injected events dispatched
to them in an |Target|. One is specified in |Config|.
- EventPhase
- The possible states of a pointer event stream’s state machine.
- Extents
- A floating-point pair of points, representing minimal and maximal extents.
- Mat3
- A floating-point 3x3 matrix.
- Point2
- A floating-point two-dimensional point.
- RelativeMotion
- The relative motion performed by a mouse device.