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bug#52118: 29.0.50; string-pixel-width reports incorrect width


From: Arthur Miller
Subject: bug#52118: 29.0.50; string-pixel-width reports incorrect width
Date: Fri, 26 Nov 2021 01:51:45 +0100

Attached is small lisp program and a screenshot of the output. From the
screenshot itself it is visible that for string with large non-default font-size
the reported width is erroneous. It should be close to frame/window size
in this particular example, but reported size is missing ~500 pixels.

For small sizes it seems to report relatively ok. The clock is ~70 pixels
according to Gimp's measure tool, +/- some, so it is more visible with big 
sizes.

Attachment: string-pixel-width.png
Description: PNG image

Attachment: emacs-vision-clock.el
Description: Text document










In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.30, cairo 
version 1.17.4)
 of 2021-11-17 built on pascal
Repository revision: 1ddebefc9fe178e9e8b4275a45e0eda1bcf7848e
Repository branch: alpha-patch
Windowing system distributor 'The X.Org Foundation', version 11.0.12101001
System Description: Arch Linux

Configured using:
 'configure --with-native-compilation 'CFLAGS=-O2 -march=native -mtune=native''

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON
LCMS2 LIBOTF LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY INOTIFY
PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS WEBP X11 XDBE
XIM XPM GTK3 ZLIB

Important settings:
  value of $LANG: sv_SE.UTF-8
  locale-coding-system: utf-8-unix

Major mode: ELisp/l

Minor modes in effect:
  text-scale-mode: t
  windmove-mode: t
  beacon-mode: t
  outshine-mode: t
  dired-async-mode: t
  outline-minor-mode: t
  yas-minor-mode: t
  page-break-lines-mode: t
  company-mode: t
  electric-pair-mode: t
  global-auto-revert-mode: t
  global-hl-line-mode: t
  global-subword-mode: t
  subword-mode: t
  auto-image-file-mode: t
  auto-insert-mode: t
  display-time-mode: t
  delete-selection-mode: t
  save-place-mode: t
  winner-mode: t
  which-key-mode: t
  wrap-region-global-mode: t
  wrap-region-mode: t
  helm-mode: t
  helm-adaptive-mode: t
  shell-dirtrack-mode: t
  helm-autoresize-mode: t
  helm--remap-mouse-mode: t
  async-bytecomp-package-mode: t
  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
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  auto-fill-function: yas--auto-fill
  transient-mark-mode: t
  abbrev-mode: t

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/home/arthur/.emacs.d/elpa/emms-20210911.2031/emms-compat
/usr/local/share/emacs/site-lisp/emms/emms-volume-pulse hides 
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/home/arthur/.emacs.d/lisp/company-cmake hides 
/home/arthur/.emacs.d/elpa/company-20211002.1732/company-cmake

Features:
(shadow mail-extr emacsbug sendmail misearch multi-isearch cl-print debug qp
gnus-async gnus-ml gnus-topic cursor-sensor url-cache benchmark nndraft nnmh
nnhackernews anaphora request gnus-bcklg gnus-cite nnfolder utf-7 gnutls
network-stream gnus-agent gnus-srvr gnus-score score-mode nnvirtual gnus-msg
nntp gnus-cache avy magit-utils crm face-remap shortdoc windmove cc-mode
cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs
mule-util helpful trace info-look help-fns radix-tree elisp-refs helm-command
emacs-vision-clock time-stamp vc-git diff-mode vc-dispatcher org-pretty-table
ol-eww eww xdg url-queue mm-url ol-rmail ol-mhe ol-irc ol-info ol-gnus nnselect
gnus-search eieio-opt speedbar ezimage dframe gnus-art mm-uu mml2015 mm-view
mml-smime smime dig gnus-sum shr kinsoku svg dom gnus-group gnus-undo gnus-start
gnus-dbus gnus-cloud nnimap nnmail mail-source utf7 netrc nnoo gnus-spec
gnus-int gnus-range message yank-media rfc822 mml mml-sec epa epg rfc6068
epg-config mm-decode mm-bodies mm-encode mailabbrev gmm-utils mailheader
gnus-win ol-docview doc-view ol-bibtex ol-bbdb ol-w3m ol-doi org-link-doi
dired-auto-readme helm-external helm-net tramp-archive tramp-gvfs tramp-cache
zeroconf dbus ffap beacon emms-librefm-stream xml emms-librefm-scrobbler
emms-i18n emms-history emms-score emms-stream-info emms-metaplaylist-mode
emms-bookmarks emms-cue emms-mode-line-icon emms-browser sort emms-playlist-sort
emms-last-played emms-player-xine emms-player-mpd emms-lyrics emms-url
emms-streams emms-show-all emms-tag-editor emms-mark emms-cache
emms-info-opusinfo emms-info-ogginfo emms-info-mp3info emms-player-vlc
emms-player-mplayer emms-player-mpv emms-mode-line-cycle emms-mode-line
emms-playing-time emms-player-simple emms-info later-do emms-playlist-limit
emms-volume emms-volume-amixer emms-playlist-mode emms-source-playlist
emms-source-file locate emms-setup emms emms-compat c++-setup sv-kalender lunar
solar cal-dst holidays hol-loaddefs extras recentf tree-widget server overseer
pkg-info url-http url-auth url-gw nsm rmc puny epl f s outshine
outshine-org-cmds outorg org-protocol org-pdftools pdf-occur pdf-isearch
let-alist pdf-annot tablist tablist-filter semantic/wisent/comp semantic/wisent
semantic/wisent/wisent semantic/util-modes semantic/util semantic semantic/tag
semantic/lex semantic/fw mode-local cedet facemenu pdf-misc imenu pdf-tools
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pdf-util pdf-macs image-mode dired-extras dired-copy-paste dired-subtree
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dired-loaddefs exif org-noter org-element avl-tree org-refile org ob ob-tangle
ob-ref ob-lob ob-table ob-exp org-macro org-footnote org-src ob-comint
org-pcomplete org-list org-faces org-entities org-version ob-emacs-lisp ob-core
ob-eval org-table oc-basic bibtex ol org-keys oc org-compat org-macs
org-loaddefs cal-menu calendar cal-loaddefs noutline outline yasnippet-snippets
yasnippet derived disp-table page-break-lines company-yasnippet company-ispell
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project company-semantic company-template company-keywords company-files
company-capf company pcase comp comp-cstr warnings rx cl-extra elec-pair
autorevert hl-line cap-words superword subword image-file image-converter
autoinsert time delsel saveplace winner which-key advice solarized-dark-theme
solarized solarized-faces color wrap-region dash gnus nnheader gnus-util rmail
rmail-loaddefs mail-utils wid-edit helm-mode helm-adaptive helm-projectile
projectile lisp-mnt mail-parse rfc2231 rfc2047 rfc2045 mm-util ietf-drums
mail-prsvr grep compile text-property-search ibuf-ext ibuffer ibuffer-loaddefs
thingatpt helm-eshell helm-elisp helm-files filenotify tramp tramp-loaddefs
trampver tramp-integration files-x tramp-compat shell pcomplete comint
ansi-color parse-time iso8601 time-date ls-lisp helm-buffers helm-occur
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helm-utils helm-help format-spec helm easy-mmode async-bytecomp
helm-global-bindings edmacro kmacro helm-source helm-multi-match helm-lib async
elisp-extras popup helm-easymenu cl info package browse-url url url-proxy
url-privacy url-expand url-methods url-history url-cookie url-domsuf url-util
mailcap url-handlers url-parse auth-source cl-seq eieio eieio-core cl-macs
eieio-loaddefs password-cache json map url-vars seq gv subr-x byte-opt bytecomp
byte-compile cconv cl-loaddefs cl-lib 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
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tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse
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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 simple abbrev obarray cl-preloaded nadvice button
loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5
base64 format env code-pages mule custom widget hashtable-print-readable
backquote threads dbusbind inotify lcms2 dynamic-setting system-font-setting
font-render-setting cairo move-toolbar gtk x-toolkit x multi-tty
make-network-process native-compile emacs)

Memory information:

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