/// <summary>
/// Initializes a new instance based on the specified FreeImage bitmap.
/// </summary>
/// <param name="dib">Handle to a FreeImage bitmap.</param>
/// <param name="scanline">Index of the zero based scanline.</param>
public Scanline(FIBITMAP dib, int scanline)
: this(dib, scanline, (int)(typeof(T) == typeof(FI1BIT) ? FreeImage.GetBPP(dib) * FreeImage.GetWidth(dib) :
typeof(T) == typeof(FI4BIT) ? FreeImage.GetBPP(dib) * FreeImage.GetWidth(dib) / 4 :
FreeImage.GetBPP(dib) * FreeImage.GetWidth(dib) / (Marshal.SizeOf(typeof(T)) * 8)))
{
}