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* bug#39264: 26.3; (frame-char-width) is different from real char width of monospace font 'Noto Sans Mono'
@ 2020-01-24 14:55 ynyaaa
  2020-01-24 15:34 ` Eli Zaretskii
  0 siblings, 1 reply; 3+ messages in thread
From: ynyaaa @ 2020-01-24 14:55 UTC (permalink / raw)
  To: 39264


I installed Noto fonts.
With setting frame font to "Noto Sans Mono", which is a monospace font,
(frame-char-width) and the real char width may differ.

For example, using "Noto Sans Mono-13", (frame-char-width) is one pixel larger.
  (progn
    (set-frame-font "Noto Sans Mono-13")
    (list (frame-char-width) (car (window-text-pixel-size nil 1 2))))
  => (11 10)
Then the TAB pixel width is 8 pixels wider than 8 SPCs.
And the frame with 80-character width is wider than a real 80-character line.

Here is a list of problematic combinations of font names and font sizes.
The sizes are selected from between 10 and 20.

;;; NOTE: THIS FORM USE #'set-frame-font MANY TIMES
(let (last cell ret)
  (save-window-excursion
    (with-temp-buffer
      (switch-to-buffer (current-buffer))
      (insert ?\s)
      (dolist (family (sort (font-family-list) #'string<))
        (when (and (not (equal family last))
                   (string-match "Noto.*Mono" family))
          (setq cell (list family)
                ret (cons cell ret))
          (dolist (size (number-sequence 10 20))
            (set-frame-font (format "%s-%d" family size))
            (unless (= (car (window-text-pixel-size nil 1 2))
                       (frame-char-width))
              (setq cell (nconc cell (list size))))))
        (setq last family))))
  (nreverse ret))
=>
(("Noto Mono")
 ("Noto Sans Mono" 13 14 15 17 18 19 20)
 ("Noto Sans Mono Blk" 13 14 15 17 18 19 20)
 ("Noto Sans Mono CJK JP Bold" 10 11 12 13 14 15 16 17 18 19 20)
 ("Noto Sans Mono CJK JP Regular" 10 11 12 13 14 15 16 17 18 19 20)
 ("Noto Sans Mono CJK KR Bold" 10 11 12 13 14 15 16 17 18 19 20)
 ("Noto Sans Mono CJK KR Regular" 10 11 12 13 14 15 16 17 18 19 20)
 ("Noto Sans Mono CJK SC Bold" 10 11 12 13 14 15 16 17 18 19 20)
 ("Noto Sans Mono CJK SC Regular" 10 11 12 13 14 15 16 17 18 19 20)
 ("Noto Sans Mono CJK TC Bold" 10 11 12 13 14 15 16 17 18 19 20)
 ("Noto Sans Mono CJK TC Regular" 10 11 12 13 14 15 16 17 18 19 20)
 ("Noto Sans Mono Cond" 12 14 16 17 19 20)
 ("Noto Sans Mono Cond Blk" 12 14 16 17 19 20)
 ("Noto Sans Mono Cond ExtBd" 12 14 16 17 19 20)
 ("Noto Sans Mono Cond ExtLt" 12 14 16 17 19 20)
 ("Noto Sans Mono Cond Light" 12 14 16 17 19 20)
 ("Noto Sans Mono Cond Med" 12 14 16 17 19 20)
 ("Noto Sans Mono Cond SemBd" 12 14 16 17 19 20)
 ("Noto Sans Mono Cond Thin" 12 14 16 17 19 20)
 ("Noto Sans Mono ExtBd" 13 14 15 17 18 19 20)
 ("Noto Sans Mono ExtCond" 15 18)
 ("Noto Sans Mono ExtCond Blk" 15 18)
 ("Noto Sans Mono ExtCond ExtBd" 15 18)
 ("Noto Sans Mono ExtCond ExtLt" 15 18)
 ("Noto Sans Mono ExtCond Light" 15 18)
 ("Noto Sans Mono ExtCond Med" 15 18)
 ("Noto Sans Mono ExtCond SemBd" 15 18)
 ("Noto Sans Mono ExtCond Thin" 15 18)
 ("Noto Sans Mono ExtLt" 13 14 15 17 18 19 20)
 ("Noto Sans Mono Light" 13 14 15 17 18 19 20)
 ("Noto Sans Mono Med" 13 14 15 17 18 19 20)
 ("Noto Sans Mono SemBd" 13 14 15 17 18 19 20)
 ("Noto Sans Mono SemCond" 10 11 15 17 19 20)
 ("Noto Sans Mono SemCond Blk" 10 11 15 17 19 20)
 ("Noto Sans Mono SemCond ExtBd" 10 11 15 17 19 20)
 ("Noto Sans Mono SemCond ExtLt" 10 11 15 17 19 20)
 ("Noto Sans Mono SemCond Light" 10 11 15 17 19 20)
 ("Noto Sans Mono SemCond Med" 10 11 15 17 19 20)
 ("Noto Sans Mono SemCond SemBd" 10 11 15 17 19 20)
 ("Noto Sans Mono SemCond Thin" 10 11 15 17 19 20)
 ("Noto Sans Mono Thin" 13 14 15 17 18 19 20))



In GNU Emacs 26.3 (build 1, x86_64-w64-mingw32)
 of 2019-08-29 built on CIRROCUMULUS
Repository revision: 96dd0196c28bc36779584e47fffcca433c9309cd
Windowing system distributor 'Microsoft Corp.', version 10.0.18363
Recent messages:

Configured using:
 'configure --without-dbus --host=x86_64-w64-mingw32
 --without-compress-install 'CFLAGS=-O2 -static -g3''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY ACL GNUTLS LIBXML2 ZLIB
TOOLKIT_SCROLL_BARS THREADS LCMS2

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

Major mode: Emacs-Lisp

Minor modes in effect:
  diff-auto-refine-mode: t
  display-time-mode: t
  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:
(term/bobcat descr-text mailclient browse-url cus-edit cus-start
cus-load wid-edit info crm eieio-opt speedbar sb-image ezimage dframe
shadow emacsbug network-stream nsm starttls tls gnutls mailalias
smtpmail auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs
sendmail sort mail-extr message rmc puny dired dired-loaddefs
format-spec rfc822 mml mml-sec password-cache epa derived epg epg-config
gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode mail-parse
rfc2231 rfc2047 rfc2045 mm-util ietf-drums mail-prsvr mailabbrev
mail-utils gmm-utils mailheader compare-w diff-mode easy-mmode find-func
cl-extra pp ibuf-ext ibuffer ibuffer-loaddefs seq thingatpt help-fns
radix-tree misearch multi-isearch help-mode easymenu cl-print byte-opt
gv bytecomp byte-compile cl-loaddefs cl-lib cconv debug time elec-pair
time-date mule-util 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 menu-bar rfn-eshadow isearch timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame 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 minibuffer 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 238951 47126)
 (symbols 48 50848 0)
 (miscs 40 140 601)
 (strings 32 120075 1414)
 (string-bytes 1 2925132)
 (vectors 16 31299)
 (vector-slots 8 1261645 35200)
 (floats 8 74 499)
 (intervals 56 17535 168)
 (buffers 992 22))





^ permalink raw reply	[flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-02-10 15:36 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-01-24 14:55 bug#39264: 26.3; (frame-char-width) is different from real char width of monospace font 'Noto Sans Mono' ynyaaa
2020-01-24 15:34 ` Eli Zaretskii
2020-02-10 15:36   ` Stefan Kangas

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