func (v *Context) ArcNegative(xc, yc, radius, angle1, angle2 float64) {
	C.cairo_arc_negative(v.native(), C.double(xc), C.double(yc), C.double(radius), C.double(angle1), C.double(angle2))
}
func (v *Context) ArcNegative(xc, yc, radius, angle1, angle2 float64) {
	C.cairo_arc_negative(v.native(), C.double(xc), C.double(yc), C.double(radius), C.double(angle1), C.double(angle2))
}
// ArcNegative is a wrapper around cairo_arc_negative().