GNU bug report logs - #47093
27.1; deleted image remains displayed

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: ynyaaa <at> gmail.com
Subject: bug#47093: closed (Re: bug#47093: 27.1; deleted image remains
 displayed)
Date: Sat, 13 Mar 2021 15:03:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#47093: 27.1; deleted image remains displayed

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 47093 <at> debbugs.gnu.org.

-- 
47093: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=47093
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Eli Zaretskii <eliz <at> gnu.org>
To: ynyaaa <at> gmail.com
Cc: 47093-done <at> debbugs.gnu.org
Subject: Re: bug#47093: 27.1; deleted image remains displayed
Date: Sat, 13 Mar 2021 17:01:56 +0200

> From: ynyaaa <at> gmail.com
> Date: Fri, 12 Mar 2021 19:15:04 +0900
> 
> Evaluate the form below, the deleted image remains displayed partially
> in the window.
> In my environment, (window-pixel-height)=>560, (frame-char-height)=>16.
> 
> The attached image is the screenshot of the result.
> 
> (let* ((buf (generate-new-buffer "tmp"))
>        (w 512)
>        (h 512)
>        (pbm (concat (format "P4\n%d %d\n" w h)
>                     (make-string (* (/ w 8) h) ?U))))
>   (switch-to-buffer buf)
>   (dotimes (i 50)
>     (insert-char ?X i)
>     (insert ?\n))
>   (goto-char (point-min))
>   (redisplay t)
>   (insert-image (create-image pbm 'pbm t :scale 1))
>   (redisplay t)
>   (delete-char -1))

Thanks, this is now fixed on the master branch.

[Message part 3 (message/rfc822, inline)]

From: ynyaaa <at> gmail.com
To: bug-gnu-emacs <at> gnu.org
Subject: 27.1; deleted image remains displayed
Date: Fri, 12 Mar 2021 19:15:04 +0900

[Message part 4 (text/plain, inline)]

Evaluate the form below, the deleted image remains displayed partially
in the window.
In my environment, (window-pixel-height)=>560, (frame-char-height)=>16.

The attached image is the screenshot of the result.

(let* ((buf (generate-new-buffer "tmp"))
       (w 512)
       (h 512)
       (pbm (concat (format "P4\n%d %d\n" w h)
                    (make-string (* (/ w 8) h) ?U))))
  (switch-to-buffer buf)
  (dotimes (i 50)
    (insert-char ?X i)
    (insert ?\n))
  (goto-char (point-min))
  (redisplay t)
  (insert-image (create-image pbm 'pbm t :scale 1))
  (redisplay t)
  (delete-char -1))

[image-garbage.png (image/png, attachment)]

[Message part 6 (text/plain, inline)]

In GNU Emacs 27.1 (build 1, x86_64-w64-mingw32)
 of 2020-08-22 built on CIRROCUMULUS
Repository revision: 86d8d76aa36037184db0b2897c434cdaab1a9ae8
Repository branch: HEAD
Windowing system distributor 'Microsoft Corp.', version 10.0.18363
System Description: Microsoft Windows 10 Pro (v10.0.1909.18363.1379)

Recent messages:

Configured using:
 'configure --without-dbus --host=x86_64-w64-mingw32
 --without-compress-install 'CFLAGS=-O2 -static''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY W32NOTIFY ACL GNUTLS LIBXML2
HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS MODULES THREADS JSON PDUMPER LCMS2 GMP

Important settings:
  value of $LANG: JPN
  locale-coding-system: cp932

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs
format-spec rfc822 mml easymenu mml-sec password-cache epa derived epg
epg-config gnus-util rmail rmail-loaddefs text-property-search time-date
subr-x seq byte-opt gv bytecomp byte-compile cconv mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs
cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
term/bobcat japan-util tooltip eldoc electric uniquify ediff-hook
vc-hooks lisp-float-type mwheel dos-w32 ls-lisp disp-table term/w32-win
w32-win w32-vars term/common-win tool-bar dnd fontset image regexp-opt
fringe tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame minibuffer cl-generic cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms
cp51932 hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese composite charscript charprop case-table epa-hook
jka-cmpr-hook help simple abbrev obarray cl-preloaded nadvice loaddefs
button faces cus-face macroexp files text-properties overlay sha1 md5
base64 format env code-pages mule custom widget hashtable-print-readable
backquote threads w32notify w32 lcms2 multi-tty make-network-process
emacs)

Memory information:
((conses 16 49725 7753)
 (symbols 48 6091 1)
 (strings 32 16938 1600)
 (string-bytes 1 557030)
 (vectors 16 10734)
 (vector-slots 8 209003 13174)
 (floats 8 21 43)
 (intervals 56 240 0)
 (buffers 1000 11))

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