From: Eli Zaretskii <eliz@gnu.org>
To: Tom Seddon <emacs@tomseddon.plus.com>
Cc: 6364@debbugs.gnu.org
Subject: bug#6364: [PATCH] Use GetCharABCWidthsFloatW if GetGlyphOutlineW fails.
Date: Tue, 26 Nov 2013 22:20:29 +0200 [thread overview]
Message-ID: <83k3fuap9u.fsf@gnu.org> (raw)
In-Reply-To: <3E4E896E-71DC-402F-A572-E65A4AB621FA@tomseddon.plus.com>
> From: Tom Seddon <emacs@tomseddon.plus.com>
> Date: Tue, 26 Nov 2013 19:39:37 +0000
> Cc: 6364@debbugs.gnu.org
>
> > Thanks, but can you please provide a reproducible test case, including
> > the font where the slow scrolling happens? I don't see any fonts
> > named in these bug reports.
>
> Certainly. I've uploaded some test cases to http://www.tomseddon.plus.com/.emacs/bug6364.tar.gz.
Thanks, I will use that and see what I get.
> > Are there other possibilities to fix this, without using
> > GetCharABCWidthsFloatW? The problem with that function is that it is
> > not available on Windows 9X (in the unicows.dll library), so this
> > problem will be left unsolved on those systems.
>
> I couldn't find a good list when I was writing the code so I just went by DUMPBIN /EXPORTS and spotted it as export #158. (Don't ask me why I've got any copies at all on my Windows 7 PC! - I expect some program installed it just in case.)
The export exists, but the function is a stub, not a real
implementation, AFAIK.
> I've found an official (if outdated-looking) list now. So if GetCharABCWidthsFloatW ends up your only objection, I'll update the code to use a function from the official list.
Sorry, I don't understand what you mean. Which official list did you
find, and what does it say about this?
next prev parent reply other threads:[~2013-11-26 20:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-06 18:39 bug#6364: Windows: Emacs 23 slow with long lines and raster fonts bogossian
2013-11-26 0:35 ` bug#6364: [PATCH] Use GetCharABCWidthsFloatW if GetGlyphOutlineW fails Tom Seddon
2013-11-26 17:52 ` Eli Zaretskii
2013-11-26 19:39 ` Tom Seddon
2013-11-26 20:20 ` Eli Zaretskii [this message]
2013-11-26 20:30 ` Tom Seddon
2013-11-26 20:48 ` Eli Zaretskii
2013-11-26 21:50 ` Tom Seddon
2013-11-26 21:53 ` Tom Seddon
2013-11-29 11:05 ` Eli Zaretskii
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