// Rect draws a rounded rectangle at (x,y) with dimensions (w,h).
// the corner radii are at (rw, rh)
func Roundrect(x, y, w, h, rw, rh float64, style ...string) {
C.Roundrect(C.VGfloat(x), C.VGfloat(y), C.VGfloat(w), C.VGfloat(h), C.VGfloat(rw), C.VGfloat(rh))
}
// Roundrect draws a rounded rectangle at (x,y) with dimesions (w,h).
// the corner radii are at (rw, rh)
func Roundrect(x, y, w, h, rw, rh VGfloat) {
C.Roundrect(C.VGfloat(x), C.VGfloat(y), C.VGfloat(w), C.VGfloat(h), C.VGfloat(rw), C.VGfloat(rh))
}