A virtual class from which "PictureStroke"
and "PictureFill" are derived.
x:Object of class "numeric"
y:Object of class "numeric"
rgb:Object of class "character"
giving colour information for the path.
lty:Object of class "numeric"
giving line type information for the path.
lwd:Object of class "numeric"
giving line width information for the path.
lineend:Object of class "numeric"
giving the type of line end style (round, butt, square).
linejoin:Object of class "numeric"
giving the type of line join style (round, mitre, bevel).
linemitre:Object of class "numeric"
giving the line mitre limit (as a number greater than 1).
Paul Murrell
PictureStroke-class and
PictureFill-class.