cairo/canvas.go
func (v *Context) InClip(x, y float64) bool {
	c := C.cairo_in_clip(v.native(), C.double(x), C.double(y))
	return gobool(c)
}
func (v *Context) InClip(x, y float64) bool {
	c := C.cairo_in_clip(v.native(), C.double(x), C.double(y))
	return gobool(c)
}
// InClip is a wrapper around cairo_in_clip().