GNU bug report logs - #32932
27.0.50; render bugs on macOS Mojave

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Package: emacs;

Reported by: Aaron Jensen <aaronjensen <at> gmail.com>

Date: Thu, 4 Oct 2018 13:07:02 UTC

Severity: minor

Tags: fixed

Merged with 31904, 33891, 34127, 34710, 36302

Found in versions 26.1.90, 26.1.91, 26.2.90, 27.0.50

Fixed in version 28.1

Done: Alan Third <alan <at> idiocy.org>

Bug is archived. No further changes may be made.

Full log

Message #140 received at 32932 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Alan Third <alan <at> idiocy.org>
Cc: boris <at> d12frosted.io, 32932 <at> debbugs.gnu.org, aaronjensen <at> gmail.com
Subject: Re: bug#32932: 27.0.50; render bugs on macOS Mojave
Date: Sat, 03 Nov 2018 11:31:07 +0200

> Date: Thu, 1 Nov 2018 22:55:19 +0000
> From: Alan Third <alan <at> idiocy.org>
> Cc: Aaron Jensen <aaronjensen <at> gmail.com>, boris <at> d12frosted.io,
> 	32932 <at> debbugs.gnu.org
> 
> ns_get_glyph_string_clip_rect is a simple wrapper round
> get_glyph_string_clip_rects, so when asked for the clipping rectangle
> for a single glyph, it returns a rectangle covering the entire row.
> 
> Because we just mark it as dirty and come back to draw it later we do
> end up redrawing the entire row.

I think if you are basing the redisplay on marking portions dirty, you
need to include the same logic as in display_and_set_cursor and its
callers.
This bug report was last modified 5 years and 93 days ago.

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