GNU bug report logs - #47036
27.1; XBM file image cannot be resized with :width and :height

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Message #8 received at 47036 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: ynyaaa <at> gmail.com
Cc: 47036 <at> debbugs.gnu.org
Subject: Re: bug#47036: 27.1; XBM file image cannot be resized with :width
 and :height
Date: Wed, 10 Mar 2021 16:10:30 +0100

ynyaaa <at> gmail.com writes:

> Evaluating the form below, XBM image with :height property is not
> displayed in the first and second inserted line.
>
> (let ((img1 (find-image '((:file "gnus/gnus.xbm" :type xbm :height 100))))
>       (img2 (find-image '((:file "gnus/gnus.xbm" :type xbm :width 100))))
>       (img3 (find-image '((:file "gnus/gnus.xbm" :type xbm))))
>       (img4 (find-image '((:file "gnus/gnus.xpm" :type xpm :height 100 )))))
>   (insert "with :height\t")
>   (insert-image img1 "ALTTEXT1")
>   (insert "\nwith :width\t")
>   (insert-image img2 "ALTTEXT2")
>   (insert "\nwithout :width or :height\t")
>   (insert-image img3 "ALTTEXT3")
>   (insert "\nXPM with :height\t")
>   (insert-image img4 "ALTTEXT4"))

I can reproduce this problem in Emacs 28, too (with Debian/bullseye).

I guess Emacs should support scaling of xbm images, too, now that we
have native image scaling?  Or is there something in particular with the
xbm code that doesn't allow that?  (I haven't looked at the code yet.)

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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