Zoom Switch Control

Defined under the namespace Scandit.Datacapture.Core.Ui

ZoomSwitchControl

class ZoomSwitchControl : Control, ZoomListener

Added in version 8.4.0

Control that allows switching between configurable camera zoom levels. The available zoom levels are filtered based on the camera hardware capabilities.

You can add this control to a view by calling DataCaptureView.addControl().

orientation

orientation: ZoomSwitchOrientation

Added in version 8.4.0

The orientation of the zoom switch control. Defaults to ZoomSwitchOrientation.Default.

isAlwaysExpanded

isAlwaysExpanded: boolean

Added in version 8.4.0

When true, the control is always shown in its expanded state, displaying all zoom levels regardless of user interaction, and isExpanded is always true. When false, the control can be collapsed. Defaults to false.

isExpanded

isExpanded: boolean

Added in version 8.4.0

Whether the control is currently expanded, showing all zoom levels. Can be set programmatically to expand or collapse the control. When isAlwaysExpanded is true, this property always returns true and setting it has no effect.

selectedZoomLevel

get selectedZoomLevel(): number

Added in version 8.4.0

The currently selected zoom level.

accessibilityLabel

accessibilityLabel: string

Added in version 8.4.0

The accessibility label. The placeholder <level> is replaced with the zoom factor of each button. Defaults to "Zoom <level>".

selectZoomLevel(level)

selectZoomLevel(level: number): Promise<number>

Added in version 8.4.0

Selects the given zoom level, clamped to the range supported by the camera hardware. Returns the actual zoom level that was applied.

onZoomLevelChanged(camera, oldLevel, newLevel)

onZoomLevelChanged(camera: Camera,
        oldLevel: number,
        newLevel: number): void

Added in version 8.4.0

Called when the zoom level of the Camera changed, as part of the ZoomListener implementation.