a #GskRoundedRect describing the outline of the border
the stroke width of the border on the top, right, bottom and left side respectively.
the color used on the top, right, bottom and left side.
A new GskRenderNode
ConstructionException GTK+ fails to create the object.
Creates a GskRenderNode that will stroke a border rectangle inside the given @outline.
The 4 sides of the border can have different widths and colors.