/// <summary>
/// M x N の行列として初期化し、指定した配列からデータをコピーする
/// </summary>
/// <param name="arr">この行列にコピーされるデータ</param>
#else
/// <summary>
/// Initializes as M x N matrix and copies array data to this
/// </summary>
/// <param name="arr">Source array data to be copied to this</param>
#endif
public static Mat <TElem> FromArray(TElem[,] arr)
{
if (arr == null)
{
throw new ArgumentNullException(nameof(arr));
}
if (arr.Length == 0)
{
throw new ArgumentException("arr.Length == 0");
}
var rows = arr.GetLength(0);
var cols = arr.GetLength(1);
var mat = new Mat <TElem>(rows, cols);
if (!mat.SetRectangularArray(arr))
{
throw new OpenCvSharpException("Failed to copy pixel data into cv::Mat");
}
return(mat);
}
