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bug#50487: Image :map area is not correct in Windows HiDPI environment
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From: |
Lars Ingebrigtsen |
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Subject: |
bug#50487: Image :map area is not correct in Windows HiDPI environment |
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Date: |
Thu, 25 Aug 2022 16:38:48 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
tsuucat <tsuucat@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.
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