INNER CODE UNIT · Dart

Anchor

fzyzcjy/flutter_portal · lib/src/anchor.dart:12

abstract class Anchor extends EnhancedCompositedTransformAnchor {
  const Anchor();

  /// Returns the layout constraints that are given to the follower element.
  ///
  /// The [targetSize] represents the bounds of the element which the follower
  /// element should be anchored to. This must be the same value that is passed
  /// to [getFollowerOffset]. No assumptions should be made about the coordinate
  /// space, i.e. only the size of the target should be considered.
  ///
  /// The [theaterConstraints] represent the full available space to place the
  /// follower element in. This is irrespective of where the target is
  /// positioned within the full available space.
  BoxConstraints getFollowerConstraints({
    required Size targetSize,
    required BoxConstraints theaterConstraints,
  });
}

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