    # File lib/rvg/embellishable.rb, line 237
                def initialize(image, width=nil, height=nil, x=0, y=0)
                    super()             # run module initializers
                    @image = image.copy # use a copy of the image in case app. re-uses the argument
                    @x, @y, @width, @height = Magick::RVG.convert_to_float(x, y, width || @image.columns, height || @image.rows)
                    if @width < 0 || @height < 0
                        raise ArgumentError, "width, height must be >= 0"
                    end
                    init_viewbox()
                end