onScale

open fun onScale(mapboxCarMapSurface: MapboxCarMapSurface, anchor: ScreenCoordinate, fromZoom: Double, toZoom: Double): Boolean

Allows you to implement or observe the map scale gesture handler. The surface is onAttached before this can be triggered.

Return

true when the scale call was handled, false will trigger the default handler

See also

SurfaceCallback.onScroll

for instructions to enable.

Parameters

anchor

the focus point in pixels for the zooming gesture

fromZoom

the current zoom of the Mapbox camera

mapboxCarMapSurface

loaded and ready car map surface

toZoom

the new zoom that will be set if the function returns false