class Magick::RVG::Line

def initialize(x1=0, y1=0, x2=0, y2=0)

Use the RVG::ShapeConstructors#line method to create Line objects in a container.
Define a line from [x1, y1] to [x2, y2].
def initialize(x1=0, y1=0, x2=0, y2=0)
    super()
    @primitive = :line
    @args = [x1, y1, x2, y2]
end