// Copyright (c) Six Labors.
// Licensed under the Six Labors Split License.

namespace SixLabors.PolygonClipper {
  /// <summary>
  /// Specifies the type of an edge in a boolean operation on polygons.
  /// </summary>
  internal enum EdgeType
  {
      /// <summary>
      /// A normal edge that contributes to the resulting polygon.
      /// </summary>
      Normal = 0,

      /// <summary>
      /// An edge that does not contribute to the resulting polygon.
      /// This typically occurs when the edge lies entirely inside another polygon.
      /// </summary>
      NonContributing = 1,

      /// <summary>
      /// An edge that represents a transition within the same polygon,
      /// meaning it does not cross into another polygon.
      /// </summary>
      SameTransition = 2,

      /// <summary>
      /// An edge that represents a transition between different polygons,
      /// meaning it crosses from one polygon to another.
      /// </summary>
      DifferentTransition = 3
  }
}