Viewport
interface ViewportState
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Definition of ViewportPlugin states.
ViewportState is used to observe the data source associated with the state and query the camera to keep updating according to current viewport data.
Users are responsible to create the viewport states and keep a reference to these states for future operations.
Functions
observeDataSource
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abstract fun observeDataSource(viewportStateDataObserver: ViewportStateDataObserver): Cancelable
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Observe the new camera options produced by the ViewportState, it can be used to get the latest state CameraOptions for ViewportTransition.
startUpdatingCamera
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abstract fun startUpdatingCamera()
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Start updating the camera for the current ViewportState.
stopUpdatingCamera
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abstract fun stopUpdatingCamera()
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Stop updating the camera for the current ViewportState.