Re: new frame-parameter "alpha"

[Seiji Zenitani]

Hi,

On 2008/03/19, at 12:16, Stefan Monnier wrote:
> > > Looks good.  Tho maybe I'd put the call to x_set_frame_alpha  
> > > directly
> > > inside x_update_cursor (and rename it to  
> > > x_update_cursor_and_opacity).
> > >
> > > I don't mind the use of "alpha" rather than "opacity", as long as  
> > > the
> > > docstrings are clear.  The patch needs to also update the manual.
> > > And could you describe the copyright status?
>
> > The frame parameter code and the x_set_frame_alpha function
> > were written by Ryo Yoshitake.  He is ready to sign.
>
> Could you send him the appended form (and Cc me along the way)?
Done.

> > The lower_limit variable and the x_set_alpha function originally  
> > come from
> > mw32fns.c (e.g. mw32_set_frame_alpha in l.1019-1078) in Meadow,
> > although they look differently because of my extensive modification.
> > http://www.meadowy.org/meadow/browser/trunk/src/mw32fns.c (slow  
> > connection)
> > I am contacting Mr. Horiguchi, the author of the relevant part.
>
> Copyright only applies to actual code, not ideas, so if the code was
> rewritten, copyright does not apply any more.
In order to make sure, I extracted
the relevant lines which I ported from Meadow to GNU Emacs.
Let me know if there are any problems.

Attached 1 - the original lines from mw32fns.c

mw32fns.c
Description: Binary data

Attached 2 - the relevant part of our patch (in frame.c)

transparency4-x23-test.patch
Description: Binary data

Seiji Zenitani
address@hidden