GNU bug report logs - #58731
29.0.50; image-crop: image blurs during crop

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Package: emacs; Severity: wishlist; Reported by: Jean Louis <bugs@HIDDEN>; dated Sun, 23 Oct 2022 05:56:01 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.
Severity set to 'wishlist' from 'normal' Request was from Stefan Kangas <stefankangas@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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Subject: Re: bug#58731: 29.0.50; image-crop: image blurs during crop
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Jean Louis <bugs@HIDDEN> writes:

> I can see that image blurs during crop, I see no reason for it.
>
> Image I have used is this one:
> https://gnu.support/images/tmp/2022-10-23/IMG_20180213_153526944.jpg
>
> and I can reproduce with emacs -Q

JPG is a lossy format, so I guess this is expected.  Perhaps there are
some settings we could use to get a higher quality image at the cost of
a larger file size.

Copying in Lars, in case he has any comments.




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#58731; Package emacs. Full text available.

Message received at submit <at> debbugs.gnu.org:


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From: Jean Louis <bugs@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: 29.0.50; image-crop: image blurs during crop
Date: Sun, 23 Oct 2022 08:11:32 +0300
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 Content preview:  I can see that image blurs during crop, I see no reason for
 it. Image I have used is this one:
 https://gnu.support/images/tmp/2022-10-23/IMG_20180213_153526944.jpg
 and I can reproduce with emacs -Q 
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I can see that image blurs during crop, I see no reason for it.

Image I have used is this one:
https://gnu.support/images/tmp/2022-10-23/IMG_20180213_153526944.jpg

and I can reproduce with emacs -Q


In GNU Emacs 29.0.50 (build 7, x86_64-pc-linux-gnu, X toolkit, cairo
 version 1.17.6, Xaw3d scroll bars) of 2022-10-10 built on
 protected.rcdrun.com
Repository revision: ed436db1320339862fad5ac754a6ec42de06c766
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101004
System Description: Parabola GNU/Linux-libre

Configured using:
 'configure --with-x-toolkit=lucid'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY INOTIFY
PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS
WEBP X11 XAW3D XDBE XIM XINPUT2 XPM LUCID ZLIB

Important settings:
  value of $LC_ALL: en_US.UTF-8
  value of $LANG: de_DE.UTF-8
  value of $XMODIFIERS: @im=exwm-xim
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-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
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message mailcap yank-media puny dired
dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068
epg-config gnus-util text-property-search time-date subr-x 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 rmc iso-transl tooltip eldoc paren electric
uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel
term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image
regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu
timer select scroll-bar mouse jit-lock font-lock syntax font-core
term/tty-colors frame minibuffer nadvice seq simple cl-generic
indonesian philippine 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 emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs
faces cus-face macroexp files window text-properties overlay sha1 md5
base64 format env code-pages mule custom widget keymap
hashtable-print-readable backquote threads dbusbind inotify lcms2
dynamic-setting system-font-setting font-render-setting cairo x-toolkit
xinput2 x multi-tty make-network-process emacs)

Memory information:
((conses 16 39070 5837)
 (symbols 48 5155 2)
 (strings 32 14288 1677)
 (string-bytes 1 401511)
 (vectors 16 10402)
 (vector-slots 8 158365 9641)
 (floats 8 40 19)
 (intervals 56 256 0)
 (buffers 1000 11))

-- 
Jean

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Acknowledgement sent to Jean Louis <bugs@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#58731; Package emacs. Full text available.
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