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

using SixLabors.ImageSharp.PixelFormats;

namespace SixLabors.ImageSharp.Drawing.Processing {
  internal static class DrawingHelpers
  {
      /// <summary>
      /// Convert a <see cref="DenseMatrix{Color}"/> to a <see cref="DenseMatrix{T}"/> of the given pixel type.
      /// </summary>
      /// <typeparam name="TPixel">The type of pixel format.</typeparam>
      /// <param name="colorMatrix">The color matrix.</param>
      public static DenseMatrix<TPixel> ToPixelMatrix<TPixel>(this DenseMatrix<Color> colorMatrix)
          where TPixel : unmanaged, IPixel<TPixel>
      {
          DenseMatrix<TPixel> result = new(colorMatrix.Columns, colorMatrix.Rows);
          Color.ToPixel(colorMatrix.Span, result.Span);
          return result;
      }
  }
}