From: Eli Zaretskii <eliz@gnu.org>
To: emacs-devel@gnu.org
Subject: Re: Bidi reordering engine upgraded
Date: Fri, 17 Oct 2014 13:31:22 +0300 [thread overview]
Message-ID: <83zjcv0yyt.fsf@gnu.org> (raw)
In-Reply-To: <87ppdr3sab.fsf@zigzag.favinet>
> From: Thien-Thi Nguyen <ttn@gnu.org>
> Date: Fri, 17 Oct 2014 12:27:24 +0200
>
>
> Where did the 11th one come from, when we requested a
> width of 10?
>
> It comes from the (deeply-reviled, IMNSHO) misdesign of
> XDrawRectangle(3), which uses the word "width" in the
> parameter name (and description), but is actually described
> later to draw a rectangle whose width, as measured by pixels
> rendered, is ‘width + 1’. Yuck! And that description is not
> straightforward, but instead exposes, and thus requires the
> reader to understand, the ‘PolyLine’ X protocol request, an
> implementation detail. Ugh!Ly! [Insert more ranting here.]
OK, we are in violent agreement here.
> Why not just a single-pixel vertical line instead?
>
> Wouldn't that lose the "hollow" look?
Yes, but I think the alternatives are worse.
next prev parent reply other threads:[~2014-10-17 10:31 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-15 14:51 Bidi reordering engine upgraded Eli Zaretskii
2014-10-15 15:22 ` Dmitry Antipov
2014-10-15 15:47 ` Eli Zaretskii
2014-10-15 16:00 ` Dmitry Antipov
2014-10-15 16:31 ` Eli Zaretskii
2014-10-15 17:28 ` Eli Zaretskii
2014-10-15 17:50 ` Eli Zaretskii
2014-10-16 3:55 ` Dmitry Antipov
2014-10-16 7:21 ` Eli Zaretskii
2014-10-16 9:42 ` Thien-Thi Nguyen
2014-10-16 10:15 ` Eli Zaretskii
2014-10-16 13:27 ` Thien-Thi Nguyen
2014-10-16 13:51 ` Eli Zaretskii
2014-10-17 5:42 ` Thien-Thi Nguyen
2014-10-17 6:16 ` Eli Zaretskii
2014-10-17 7:50 ` Thien-Thi Nguyen
2014-10-17 8:25 ` Eli Zaretskii
2014-10-17 10:27 ` Thien-Thi Nguyen
2014-10-17 10:31 ` Eli Zaretskii [this message]
2014-10-16 9:51 ` Dmitry Antipov
2014-10-16 10:20 ` Eli Zaretskii
2014-10-16 11:28 ` Eli Zaretskii
2014-10-17 6:46 ` Eli Zaretskii
2014-10-17 17:45 ` Jan Djärv
2014-10-17 18:45 ` Eli Zaretskii
2014-10-17 19:32 ` Stefan Monnier
2014-10-18 12:34 ` Jan Djärv
2014-10-18 12:54 ` Eli Zaretskii
2014-10-18 13:13 ` Eli Zaretskii
2014-10-19 11:45 ` Jan Djärv
2014-10-19 13:19 ` Eli Zaretskii
2014-10-19 11:49 ` Jan Djärv
2014-10-19 13:20 ` Eli Zaretskii
-- strict thread matches above, loose matches on Subject: below --
2014-10-17 11:12 grischka
2014-10-17 11:42 ` martin rudalics
2014-10-17 11:47 ` David Kastrup
2014-10-17 13:21 ` grischka
2014-10-17 13:30 ` Eli Zaretskii
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