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

using System;

namespace SixLabors.Fonts {
  /// <summary>
  /// Defines modes to determine the layout direction of text.
  /// </summary>
  [Flags]
  public enum LayoutMode
  {
      /// <summary>
      /// Text is laid out horizontally from top to bottom.
      /// </summary>
      HorizontalTopBottom = 0,

      /// <summary>
      /// Text is laid out horizontally from bottom to top.
      /// </summary>
      HorizontalBottomTop = 1 << 0,

      /// <summary>
      /// Text is laid out vertically from left to right.
      /// </summary>
      VerticalLeftRight = 1 << 1,

      /// <summary>
      /// Text is laid out vertically from right to left.
      /// </summary>
      VerticalRightLeft = 1 << 2,

      /// <summary>
      /// Text is laid out vertically from left to right. Horizontal glyphs are rotated 90 degrees clockwise.
      /// </summary>
      VerticalMixedLeftRight = 1 << 3,

      /// <summary>
      /// Text is laid out vertically from right to left. Horizontal glyphs are rotated 90 degrees clockwise.
      /// </summary>
      VerticalMixedRightLeft = 1 << 4,
  }
}