CBLFocusInfo

Objective-C

@protocol CBLFocusInfo <NSObject>

Swift

protocol FocusInfo : NSObjectProtocol

Represents an autofocus state of the camera.

  • Returns the aspect of the autofocus, typically representing the area of the viewfinder.

    Declaration

    Objective-C

    @property (nonatomic, readonly) CGSize aspect;

    Swift

    var aspect: CGSize { get }

  • Returns an array of CBLFocusPoint instances that define the autofocus cluster.

    Declaration

    Objective-C

    @property (nonatomic, copy, readonly, nullable) NSArray<id<CBLFocusPoint>> *points;

    Swift

    var points: [FocusPoint]? { get }

  • Translates the given AF point’s rect to a rect inside the target container. Useful for translating AF point rects into views, for example.

    Declaration

    Objective-C

    - (CGRect)translateRectOfPoint:(nonnull id<CBLFocusPoint>)point
               toSubRectOfRect:(CGRect)targetContainer;

    Swift

    func translateRect(of point: FocusPoint, toSubRectOf targetContainer: CGRect) -> CGRect

    Parameters

    point

    The AF point to translate.
    targetContainer

    The rect defining the bounds of the target container.

    Return Value

    The rect representing point inside targetContainer.