public RgbImage(RgbPixel[,] pixels)
{
if (pixels == null)
{
throw new ArgumentNullException("pixels", "RgbImage constructor can't be invoked with null");
}
this.pixels = new IPixel[pixels.GetLength(0), pixels.GetLength(1)];
Array.Copy(pixels, this.pixels, pixels.GetLength(0) * pixels.GetLength(1));
}
