Re: observations for ns*.m files (Re: Emacs.app merged)

[Stefan Monnier]

> One more thing:

> DEFUN ("ns-set-alpha", Fns_set_alpha, Sns_set_alpha, 2, 2, 0,
>        doc: /* Return a color equivalent to COLOR with alpha setting
>        ALPHA.
> The argument ALPHA should be a number between 0 and 1, where 0 is full
> transparency and 1 is opaque.  */)

> Not sure about the details, but can this functionality be replaced by
> an implementation of x_set_frame_alpha?

No, it can't.  `ns-set-alpha' uses the alpha channels for colors, which
is much more refined than the crude x_set_frame_alpha.


        Stefan