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Re: Emacs and Gnome Canvas (was: Emacs, QT and Cairo)
From: |
Dirk-Jan C . Binnema |
Subject: |
Re: Emacs and Gnome Canvas (was: Emacs, QT and Cairo) |
Date: |
Thu, 15 Jul 2010 21:41:18 +0300 |
User-agent: |
Wanderlust/2.15.9 (Almost Unreal) Emacs/24.0 Mule/6.0 (HANACHIRUSATO) |
Hi,
>>>>> On Thu, 15 Jul 2010 09:55:53 +0300, Eli Zaretskii ("EZ") wrote:
>> From: Óscar Fuentes <address@hidden>
>> Date: Wed, 14 Jul 2010 23:24:03 +0200
>>
>> I'm very interested on this. Which are those requirements that gnome's
>> canvas can not meet?
EZ> To answer that, we need someone with good knowledge of both the
EZ> requirements of the Emacs display engine and of the features and
EZ> possibilities of the Gnome Canvas library. Do we have such an
EZ> individual?
Note, gnome-canvas is being deprecated;
http://live.gnome.org/ProjectRidley/CanvasOverview
has an overview of various alternatives.
As far as I know them, all these canvases are primarily designed for graphics,
with object, group/ungroup etc. It remains to be seen how well they would work
for large amounts of text, with maybe here and there an image. Performance
might be an issue.
Maybe something working on top of Cairo (as has been suggested) would work
better. Cairo also has the advantage of being multiplatform and widely used
(e.g., Firefox), which gives some indication of speed/capabilities. However, I
think quite a bit of work would be needed -- the Firefox rendering engine
(Gecko) might provide some insight.
For what emacs needs, I think that the various canvases do not really provide
much added value compared to 'straight' Cairo (or some other lower-level
system).
Best wishes,
Dirk.
--
Dirk-Jan C. Binnema Helsinki, Finland
e:address@hidden w:www.djcbsoftware.nl
pgp: D09C E664 897D 7D39 5047 A178 E96A C7A1 017D DA3C
- Re: Emacs and Gnome Canvas, (continued)
- Re: Emacs and Gnome Canvas, Jan Djärv, 2010/07/16
- Re: Emacs and Gnome Canvas, Jan Djärv, 2010/07/15
- Re: Emacs and Gnome Canvas, Eli Zaretskii, 2010/07/15
- Re: Emacs and Gnome Canvas, Jan Djärv, 2010/07/15
- Re: Emacs and Gnome Canvas, Eli Zaretskii, 2010/07/15
- Re: Emacs and Gnome Canvas, Jan Djärv, 2010/07/15
- Re: Emacs and Gnome Canvas (was: Emacs, QT and Cairo),
Dirk-Jan C . Binnema <=
- Re: Emacs and Gnome Canvas, Óscar Fuentes, 2010/07/15
- Re: Emacs and Gnome Canvas, Bruce Stephens, 2010/07/15
- Re: Emacs and Gnome Canvas, Andy Wingo, 2010/07/15
- Re: Emacs, QT and Cairo, Stefan Monnier, 2010/07/27
- Re: Emacs, QT and Cairo, Chad Brown, 2010/07/27
- Re: Emacs, QT and Cairo, Eli Zaretskii, 2010/07/27
Re: Emacs, QT and Cairo Was: Re: Efforts to attract more users?, YAMAMOTO Mitsuharu, 2010/07/14