class Magick::Image::View::Rows

def []=(*args)
  rv = args.delete_at(-1) # get rvalue
  unless rv.is_a?(Pixel) # must be a Pixel or a color name
    begin
      rv = Pixel.from_color(rv)
    rescue TypeError
      Kernel.raise TypeError, "cannot convert #{rv.class} into Pixel"
    end
  end
  cols(args)
  each { |x| @view[x] = rv.dup }
  changed
  notify_observers(self)
end