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Re: Emacs canvas support
From: |
tomas |
Subject: |
Re: Emacs canvas support |
Date: |
Wed, 29 Apr 2020 21:08:54 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, Apr 29, 2020 at 10:03:00PM +0300, Eli Zaretskii wrote:
> > Date: Wed, 29 Apr 2020 20:51:28 +0200
> > From: address@hidden
> > Cc: address@hidden
> >
> > > That's not how Emacs controls what's on display. It basically
> > > represents each window as a 2D array of glyphs, each one of which has
> > > a certain graphical representation.
> >
> > ...a display list of sorts.
>
> It's a far cry from any "list" in my book...
Don't take the "list" too literally. I was possibly misusing (by
extension) some now-obsolete graphics jargon.
> > I think the "interesting" problem is to know (quickly) which
> > graphical objects intersect the (visible) window -- something
> > graphics programs do as their main job.
>
> That's easy, we have infrastructure for that already -- it is used in
> expose_frame and its subroutines.
This sounds... encouraging :-)
(TBH I was coming from the other side: index the graphics objects
in a way that one doesn't need to look at most of those which
are currently hidden).
Cheers
-- t
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- Re: Emacs canvas support, (continued)
- Re: Emacs canvas support, David Engster, 2020/04/29
- Re: Emacs canvas support, Eli Zaretskii, 2020/04/29
- Re: Emacs canvas support, tomas, 2020/04/29
- Re: Emacs canvas support, Eli Zaretskii, 2020/04/29
- Re: Emacs canvas support, Eli Zaretskii, 2020/04/29
- Re: Emacs canvas support, Arthur Miller, 2020/04/30
- Re: Emacs canvas support, tomas, 2020/04/29
- Re: Emacs canvas support, Eli Zaretskii, 2020/04/29
- Re: Emacs canvas support,
tomas <=
- Re: Emacs canvas support, Eli Zaretskii, 2020/04/29
- Re: Emacs canvas support, tomas, 2020/04/29
- Re: Emacs canvas support, Stefan Monnier, 2020/04/29
- Re: Emacs canvas support, tomas, 2020/04/30
- Re: Emacs canvas support, Stefan Monnier, 2020/04/30
- Re: Emacs canvas support, tomas, 2020/04/30
- Re: Emacs canvas support, Po Lu, 2020/04/30
- Re: Emacs canvas support, Stefan Monnier, 2020/04/30
- Re: Emacs canvas support, Eli Zaretskii, 2020/04/30
- Re: Emacs canvas support, Eli Zaretskii, 2020/04/30