if (font->unscaled) _cairo_unscaled_font_destroy (font->unscaled);  free (font);
font->backend->destroy_font (font);
cairo_font_destroy (cairo_font_t *font){    if (--(font->refcount) > 0)	return;    if (font->unscaled)	_cairo_unscaled_font_destroy (font->unscaled);    free (font);}