GNU bug report logs - #38394
Fwd: Use different image filtering when zooming in vs zooming out

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Message #11 received at 38394 <at> debbugs.gnu.org (full text, mbox):

From: Alan Third <alan <at> idiocy.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 38394 <at> debbugs.gnu.org
Subject: Re: bug#38394: Fwd: Use different image filtering when zooming in vs
 zooming out
Date: Mon, 2 Dec 2019 13:05:16 +0000

On Wed, Nov 27, 2019 at 01:32:15PM +0100, Lars Ingebrigtsen wrote:
> Alan Third <alan <at> idiocy.org> writes:
> 
> > It might be worth smoothing on scaling down, but not on scaling up.
> > That way if you zoom in you get exact pixels, but zooming out you
> > don’t get aliasing effects.
> 
> I think that makes sense, but I wonder whether some people would think
> that zoomed-in images then look "blocky"?

I think I’d expect to see pixels if I zoomed in rather than a blurry
mess, but that may just be me.

I tried to implement this on the NS port and failed, although I’m sure
it’s possible. I really don’t know if it’s worth bothering with.
-- 
Alan Third

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