cairo/translations.go
func (v *Context) Scale(sx, sy float64) {
	C.cairo_scale(v.native(), C.double(sx), C.double(sy))
}
func (v *Context) Scale(sx, sy float64) {
	C.cairo_scale(v.native(), C.double(sx), C.double(sy))
}
// Scale is a wrapper around cairo_scale.