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

using SixLabors.Fonts.Unicode;
using System.Collections.Generic;

namespace SixLabors.Fonts {
  /// <summary>
  /// Contains the width-independent result of shaping text before logical line composition.
  /// </summary>
  internal readonly struct ShapedText
  {
      /// <summary>
      /// Initializes a new instance of the <see cref="ShapedText"/> struct.
      /// </summary>
      /// <param name="positionings">The positioned glyph shaping collection.</param>
      /// <param name="bidiRuns">The resolved bidi runs covering the shaped text.</param>
      /// <param name="bidiMap">The code point to bidi-run mapping built during shaping.</param>
      /// <param name="layoutMode">The layout mode used while shaping.</param>
      public ShapedText(
          GlyphPositioningCollection positionings,
          BidiRun[] bidiRuns,
          Dictionary<int, int> bidiMap,
          LayoutMode layoutMode)
      {
          this.Positionings = positionings;
          this.BidiRuns = bidiRuns;
          this.BidiMap = bidiMap;
          this.LayoutMode = layoutMode;
      }

      /// <summary>
      /// Gets the positioned glyph shaping collection.
      /// </summary>
      public GlyphPositioningCollection Positionings { get; }

      /// <summary>
      /// Gets the resolved bidi runs covering the shaped text.
      /// </summary>
      public BidiRun[] BidiRuns { get; }

      /// <summary>
      /// Gets the code point to bidi-run mapping built during shaping.
      /// </summary>
      public Dictionary<int, int> BidiMap { get; }

      /// <summary>
      /// Gets the layout mode used while shaping.
      /// </summary>
      public LayoutMode LayoutMode { get; }
  }
}