class Magick::RVG::Pattern

def add_primitives(gc, style)       #:nodoc:
    name = __id__.to_s
    gc.pattern(name, @x, @y, @width, @height) do
        add_viewbox_primitives(@width, @height, gc)
        @content.each { |element| element.add_primitives(gc) }
    end
    gc.__send__(style, name)
end