cairo/canvas.go
func (v *Context) MoveTo(x, y float64) {
	C.cairo_move_to(v.native(), C.double(x), C.double(y))
}
func (v *Context) MoveTo(x, y float64) {
	C.cairo_move_to(v.native(), C.double(x), C.double(y))
}
// MoveTo is a wrapper around cairo_move_to().