GNU bug report logs - #59902
30.0.50; Image overlay is not updated until the cursor moves to the overlay

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From: Ihor Radchenko <yantar92 <at> posteo.net>
To: 59902 <at> debbugs.gnu.org
Subject: bug#59902: 30.0.50; Image overlay is not updated until the cursor moves to the overlay
Date: Thu, 08 Dec 2022 11:17:01 +0000

Hi,

Consider the following

1. emacs -Q
2. M-: (require 'ob-shell)
3. Open the following org file
   #+begin_src sh :results graphics file :file /tmp/colour.png
   convert -size 300x300 xc:#002b36 /tmp/colour.png
   #+end_src
4. Move point to the source block and C-c C-c yes
5. C-c C-x C-v
6. Observe the 300x300 image appearing
7. Edit the source code to 500x300
8. C-c C-c yes
9. Image disappears
10. C-c C-x C-v
11. Observe what appears to be the old 300x300 image
12. Move the cursor to the image
13. Observe the correct 500x300 appearing while the cursor is on it!!

If I step through the code inserting the image overlays, the wrong (not
updated) overlay appears in `org-display-inline-images':

    (let ((ov (make-overlay
	       (org-element-property :begin link)
	       (progn
		 (goto-char
		  (org-element-property :end link))
		 (skip-chars-backward " \t")
		 (point)))))
      (overlay-put ov 'display image) ;; <- the updated image is correctly displayed
      (overlay-put ov 'face 'default) ;; <- un-updated image is displayed until we move cursor to the overlay
      (overlay-put ov 'org-image-overlay t)


In GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
 3.24.35, cairo version 1.17.6) of 2022-12-07 built on localhost
Repository revision: f0e118d3f676afe39df29663399d4bbe8f53f208
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101004
System Description: Gentoo Linux

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

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