From: Chetan Pandya <pandyacus@sbcglobal.net>
To: Chong Yidong <cyd@stupidchicken.com>, Miles Bader <miles@gnu.org>
Cc: Eli Zaretskii <eliz@gnu.org>,
emacs-devel@gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>,
handa@m17n.org
Subject: Re: image cache
Date: Mon, 15 Dec 2008 23:02:05 -0800 (PST) [thread overview]
Message-ID: <535966.45305.qm@web83207.mail.mud.yahoo.com> (raw)
In-Reply-To: <426990.79617.qm@web83204.mail.mud.yahoo.com>
I looked at this some more and looks like it is not so everywhere. However, there seem to be more problems. It isn't clear how this is organized. For examples images are shared across frames, but there is no reference counting to know when it can be refreshed without affecting other frames and when it cannot.
--- On Tue, 12/16/08, Chetan Pandya <pandyacus@sbcglobal.net> wrote:
> From: Chetan Pandya <pandyacus@sbcglobal.net>
> Subject: Re: image cache
> To: "Chong Yidong" <cyd@stupidchicken.com>, "Miles Bader" <miles@gnu.org>
> Cc: "Eli Zaretskii" <eliz@gnu.org>, handa@m17n.org, "Stefan Monnier" <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
> Date: Tuesday, December 16, 2008, 4:56 AM
> --- On Tue, 12/16/08, Miles Bader <miles@gnu.org>
> wrote:
>
>
> > Chong Yidong <cyd@stupidchicken.com> writes:
> > > Note that fixing requires changing all the
> functions in image.c that
> > > require a frame argument, so that they use a
> terminal argument instead.
> > > Otherwise, if you associate image caches to
> terminals, you run into
> > > problems with terminals that have no frame (e.g.
> terminals created using
> > > x-open-connection), because you can't supply
> those image functions with
> > > a frame argument.
> >
> > Frameless terminals can't use those functions
> currently
> > anyway, right?
> >
> > So one could change the current implementation to put
> the
> > cache in the
> > terminal data structure, but preserve the current
> > interfaces. This
> > would yield more sharing, without losing
> functionality.
>
> Isn't that how it is currently?
>
> From frame.h:
> /* Return a pointer to the image cache of frame F. */
> #define FRAME_IMAGE_CACHE(F)
> ((F)->terminal->image_cache)
>
> Chetan
> >
> > -Miles
> >
> > --
> > You can hack anything you want, with TECO and DDT.
next prev parent reply other threads:[~2008-12-16 7:02 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-15 1:26 Memory leak in keyboard variables? Kenichi Handa
2008-12-15 3:16 ` Chong Yidong
2008-12-15 4:06 ` image cache (was: Memory leak in keyboard variables?) Stefan Monnier
2008-12-15 4:12 ` Eli Zaretskii
2008-12-15 15:19 ` image cache Stefan Monnier
2008-12-15 16:08 ` Chong Yidong
2008-12-15 20:09 ` Stefan Monnier
2008-12-16 1:41 ` Miles Bader
2008-12-16 4:56 ` Chetan Pandya
2008-12-16 7:02 ` Chetan Pandya [this message]
2008-12-16 4:31 ` Memory leak in keyboard variables? Kenichi Handa
-- strict thread matches above, loose matches on Subject: below --
2006-02-07 10:52 Image cache Juri Linkov
2006-02-07 17:21 ` Chong Yidong
2006-02-08 7:22 ` Mathias Dahl
2006-02-08 9:23 ` Juri Linkov
2006-02-14 1:48 ` Juri Linkov
2006-02-07 20:59 ` Stefan Monnier
2006-02-09 17:48 ` Richard M. Stallman
2006-02-09 19:18 ` Juri Linkov
2006-02-09 22:12 ` Chong Yidong
2006-02-09 22:51 ` Mathias Dahl
2006-02-10 0:10 ` Miles Bader
2006-02-10 23:02 ` Richard M. Stallman
2006-02-10 23:21 ` Miles Bader
2006-02-11 1:18 ` Juri Linkov
2006-02-11 2:14 ` Chong Yidong
2006-02-11 21:59 ` Miles Bader
2006-02-12 0:47 ` Stefan Monnier
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