View annotations

  • Undocumented

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    Declaration

    Objective-C

    @protocol MBMViewAnnotationPositionsUpdateListener
/**
 * Called from the 'Renderer' thread with the updated positions.
 *
 * Note: For platforms that have a dedicated 'Renderer' thread that is different from the 'Main' thread, this function
 * will also be scheduled from the 'Renderer' thread but will be called on the 'Main' thread with empty positions.
 */
- (void)onViewAnnotationPositionsUpdateForPositions:(nonnull NSArray<MBMViewAnnotationPositionDescriptor *> *)positions;
@end

    Swift

    protocol ViewAnnotationPositionsUpdateListener

  • Various options needed for displaying view annotation.

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    Declaration

    Objective-C

    
@interface MBMViewAnnotationOptions : NSObject

    Swift

    class ViewAnnotationOptions : NSObject

  • Read-only data that is needed to correctly position the single view annotation on screen. Used inside ViewAnnotationPositionsUpdateListener callback to notify the listener about the visible view annotations’ position updates.

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    Declaration

    Objective-C

    
@interface MBMViewAnnotationPositionDescriptor : NSObject

    Swift

    class ViewAnnotationPositionDescriptor : NSObject

  • Enum describing how to place view annotation relatively to geometry.

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    Declaration

    Objective-C

    enum MBMViewAnnotationAnchor : NSInteger {}

    Swift

    enum ViewAnnotationAnchor : Int, @unchecked Sendable