GNU bug report logs - #50487
Image :map area is not correct in Windows HiDPI environment

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Package: emacs;

Reported by: tsuucat <tsuucat <at> icloud.com>

Date: Thu, 9 Sep 2021 17:07:01 UTC

Severity: normal

Fixed in version 29.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: tsuucat <tsuucat <at> icloud.com>
Cc: 50487 <at> debbugs.gnu.org
Subject: bug#50487: Image :map area is not correct in Windows HiDPI environment
Date: Thu, 25 Aug 2022 16:38:48 +0200

tsuucat <tsuucat <at> icloud.com> writes:

> After more investigation, it seems that this is not a problem limited
> to the Windows High DPI environment. Because the function `find_hot_spot` 
> does not take :scale value into account, the area appears to be misaligned.
>
> Either find_hot_spot needs to be adapted to take :scale into account, or we 
> need to document that :map only works well when :scale is 1.0.

I've now mentioned image transforms and :scale in the :map node in the
manual in Emacs 29.
This bug report was last modified 2 years and 268 days ago.

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