class Magick::RVG

def background_fill=(color)
  warn 'background_fill= has no effect in nested RVG objects' if @nested
  if color.is_a?(Magick::Pixel)
    @background_fill = color
  else
    begin
      @background_fill = Magick::Pixel.from_color(color)
    rescue Magick::ImageMagickError
      raise ArgumentError, "unknown color `#{color}'"
    rescue TypeError
      raise TypeError, "cannot convert #{color.class} into Pixel"
    rescue StandardError
      raise ArgumentError, "argument must be a color name or a Pixel (got #{color.class})"
    end
  end
end