# File lib/rvg/embellishable.rb, line 103 def round(rx, ry=nil) rx, ry = Magick::RVG.convert_to_float(rx, ry || rx) if rx < 0 || ry < 0 raise ArgumentError, "rx, ry must be >= 0 (#{rx}, #{ry} given)" end @args << rx << ry @primitive = :roundrectangle self end