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* bug#64780: 30.0.50; set-face-attribute can not set the medium weight of IBM Plex Mono on Windows 10
@ 2023-07-22  1:23 Eason Huang
  2023-07-22  5:48 ` Eli Zaretskii
  0 siblings, 1 reply; 5+ messages in thread
From: Eason Huang @ 2023-07-22  1:23 UTC (permalink / raw)
  To: 64780

Hi Emacs,

I tried to use the medium weight of IBM Plex Mono font on Windows 10,
and find that `set-face-attribute` can not make it works as expectd.

Steps to reproduce:

1. Download IBM Plex Mono font by this link:
https://github.com/IBM/plex/releases/download/v6.3.0/TrueType.zip
2. Unzip the TrueType.zip and install the IBM Plex Mono
3. Start Emacs with `emacs -Q`
4. In the `*scratch*` buffer, eval the code below:
```
(set-face-attribute 'default nil :font (format
"%s:pixelsize=%d:weight=medium" "IBM Plex Mono" 20))

```
5. `M-x describe-char`, will get info about font as below:
 harfbuzz:-outline-IBM Plex Mono-regular-normal-normal-mono-20-*-*-*-c-*-iso8859-1 (#x03)

And you can see the regular weight is used instead.

expectd: return the medium weight of font.


The workaround recently I used:

```
(set-face-attribute 'default nil :font (format
"%s:pixelsize=%d:weight=medium" "IBM Plex Mono Medm" 20))
```
`M-x describe-char`, will get info about font as below:
harfbuzz:-outline-IBM Plex Mono Medm-medium-normal-normal-mono-20-*-*-*-c-*-iso8859-1 (#x18)

But use the `IBM Plex Mono Medm` name is not convenient for me, because
I also want to switch to other weights sometimes, such as:

```
(set-face-attribute 'default nil :font (format "%s:pixelsize=%d:weight=regular" "IBM Plex Mono" 20))
(set-face-attribute 'default nil :font (format "%s:pixelsize=%d:weight=bold" "IBM Plex Mono" 20))
```
It would be more consistent If we can use the `IBM Plex Mono` font name
with all font weights.

Meanwhile, I aslo tested `set-face-attribute` on macOS, it works as expected with
the same font setting.

If you need more information, please let me known.

-- 
Best regard, Eason Huang




GNU Emacs 30.0.50 (build 1, x86_64-w64-mingw32, git sha1 207cd4c2357) of
2023-07-17

Windowing system distributor 'Microsoft Corp.', version 10.0.19045
System Description: Microsoft Windows 10 Pro (v10.0.2009.19045.3208)

Configured using:
 'configure --without-native-compilation --without-dbus'

Configured features:
ACL GIF GMP GNUTLS HARFBUZZ JPEG JSON LCMS2 LIBXML2 MODULES NOTIFY
W32NOTIFY PDUMPER PNG RSVG SOUND SQLITE3 THREADS TIFF
TOOLKIT_SCROLL_BARS TREE_SITTER WEBP XPM ZLIB

Important settings:
  value of $LANG: CHS
  locale-coding-system: cp936

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 mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047
rfc2045 ietf-drums mm-util mail-prsvr mail-utils time-date subr-x
cl-extra pp wid-edit descr-text cus-start cus-load help-fns radix-tree
cl-print byte-opt gv bytecomp byte-compile debug backtrace help-mode
find-func vc-git diff-mode easy-mmode vc-dispatcher cl-loaddefs cl-lib
china-util rmc iso-transl tooltip cconv eldoc paren electric uniquify
ediff-hook vc-hooks lisp-float-type elisp-mode 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 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
theme-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 w32notify w32 lcms2 multi-tty
move-toolbar make-network-process emacs)

Memory information:
((conses 16 74158 21444) (symbols 48 20879 3) (strings 32 82668 1435)
 (string-bytes 1 1859302) (vectors 16 14862)
 (vector-slots 8 648806 16252) (floats 8 48 96) (intervals 56 1249 33)
 (buffers 984 16))






^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#64780: 30.0.50; set-face-attribute can not set the medium weight of IBM Plex Mono on Windows 10
  2023-07-22  1:23 bug#64780: 30.0.50; set-face-attribute can not set the medium weight of IBM Plex Mono on Windows 10 Eason Huang
@ 2023-07-22  5:48 ` Eli Zaretskii
  2023-07-22  7:21   ` Eason Huang
  2023-07-22  7:21   ` Eason Huang
  0 siblings, 2 replies; 5+ messages in thread
From: Eli Zaretskii @ 2023-07-22  5:48 UTC (permalink / raw)
  To: Eason Huang; +Cc: 64780

> From: Eason Huang <aqua0210@foxmail.com>
> Date: Sat, 22 Jul 2023 09:23:28 +0800
> 
> I tried to use the medium weight of IBM Plex Mono font on Windows 10,
> and find that `set-face-attribute` can not make it works as expectd.
> 
> Steps to reproduce:
> 
> 1. Download IBM Plex Mono font by this link:
> https://github.com/IBM/plex/releases/download/v6.3.0/TrueType.zip
> 2. Unzip the TrueType.zip and install the IBM Plex Mono
> 3. Start Emacs with `emacs -Q`
> 4. In the `*scratch*` buffer, eval the code below:
> ```
> (set-face-attribute 'default nil :font (format
> "%s:pixelsize=%d:weight=medium" "IBM Plex Mono" 20))
> 
> ```
> 5. `M-x describe-char`, will get info about font as below:
>  harfbuzz:-outline-IBM Plex Mono-regular-normal-normal-mono-20-*-*-*-c-*-iso8859-1 (#x03)
> 
> And you can see the regular weight is used instead.

Emacs on MS-Windows doesn't fully support any weights except these 4
standard ones: regular, italic, bold, bold-italic.  AFAIU, it is a
limitation of the APIs we use on Windows to enumerate font families.

> The workaround recently I used:
> 
> ```
> (set-face-attribute 'default nil :font (format
> "%s:pixelsize=%d:weight=medium" "IBM Plex Mono Medm" 20))
> ```
> `M-x describe-char`, will get info about font as below:
> harfbuzz:-outline-IBM Plex Mono Medm-medium-normal-normal-mono-20-*-*-*-c-*-iso8859-1 (#x18)
> 
> But use the `IBM Plex Mono Medm` name is not convenient for me, because
> I also want to switch to other weights sometimes, such as:
> 
> ```
> (set-face-attribute 'default nil :font (format "%s:pixelsize=%d:weight=regular" "IBM Plex Mono" 20))
> (set-face-attribute 'default nil :font (format "%s:pixelsize=%d:weight=bold" "IBM Plex Mono" 20))
> ```
> It would be more consistent If we can use the `IBM Plex Mono` font name
> with all font weights.

Yes, those are all aspects of the above limitation.  You could
configure the other faces (bold, italic, and bold-italic) explicitly
to use the specific members of this font's family, like you did with
the default face and the medium weight, but the basic problem I
explained above will from time to time rear its ugly head and produce
some unexpected results, when Emacs mutates a font to produce another
weight of the same family.





^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#64780: 30.0.50; set-face-attribute can not set the medium weight of IBM Plex Mono on Windows 10
  2023-07-22  5:48 ` Eli Zaretskii
  2023-07-22  7:21   ` Eason Huang
@ 2023-07-22  7:21   ` Eason Huang
  2023-07-22  8:53     ` Eli Zaretskii
  1 sibling, 1 reply; 5+ messages in thread
From: Eason Huang @ 2023-07-22  7:21 UTC (permalink / raw)
  To: Eli Zaretskii; +Cc: 64780

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Eason Huang <aqua0210@foxmail.com>
>> Date: Sat, 22 Jul 2023 09:23:28 +0800
>>
>> I tried to use the medium weight of IBM Plex Mono font on Windows 10,
>> and find that `set-face-attribute` can not make it works as expectd.
>>
>> Steps to reproduce:
>>
>> 1. Download IBM Plex Mono font by this link:
>> https://github.com/IBM/plex/releases/download/v6.3.0/TrueType.zip
>> 2. Unzip the TrueType.zip and install the IBM Plex Mono
>> 3. Start Emacs with `emacs -Q`
>> 4. In the `*scratch*` buffer, eval the code below:
>> ```
>> (set-face-attribute 'default nil :font (format
>> "%s:pixelsize=%d:weight=medium" "IBM Plex Mono" 20))
>>
>> ```
>> 5. `M-x describe-char`, will get info about font as below:
>>  harfbuzz:-outline-IBM Plex Mono-regular-normal-normal-mono-20-*-*-*-c-*-iso8859-1 (#x03)
>>
>> And you can see the regular weight is used instead.
>
> Emacs on MS-Windows doesn't fully support any weights except these 4
> standard ones: regular, italic, bold, bold-italic.  AFAIU, it is a
> limitation of the APIs we use on Windows to enumerate font families.

Thanks for your explanation.

>> The workaround recently I used:
>>
>> ```
>> (set-face-attribute 'default nil :font (format
>> "%s:pixelsize=%d:weight=medium" "IBM Plex Mono Medm" 20))
>> ```
>> `M-x describe-char`, will get info about font as below:
>> harfbuzz:-outline-IBM Plex Mono Medm-medium-normal-normal-mono-20-*-*-*-c-*-iso8859-1 (#x18)
>>
>> But use the `IBM Plex Mono Medm` name is not convenient for me, because
>> I also want to switch to other weights sometimes, such as:
>>
>> ```
>> (set-face-attribute 'default nil :font (format "%s:pixelsize=%d:weight=regular" "IBM Plex Mono" 20))
>> (set-face-attribute 'default nil :font (format "%s:pixelsize=%d:weight=bold" "IBM Plex Mono" 20))
>> ```
>> It would be more consistent If we can use the `IBM Plex Mono` font name
>> with all font weights.
>
> Yes, those are all aspects of the above limitation.  You could
> configure the other faces (bold, italic, and bold-italic) explicitly
> to use the specific members of this font's family, like you did with
> the default face and the medium weight, but the basic problem I
> explained above will from time to time rear its ugly head and produce
> some unexpected results, when Emacs mutates a font to produce another
> weight of the same family.

Thanks for mention the potential risk.
So I will just use the regular weight on Windows if encounter issue.

-- 
Eason Huang






^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#64780: 30.0.50; set-face-attribute can not set the medium weight of IBM Plex Mono on Windows 10
  2023-07-22  5:48 ` Eli Zaretskii
@ 2023-07-22  7:21   ` Eason Huang
  2023-07-22  7:21   ` Eason Huang
  1 sibling, 0 replies; 5+ messages in thread
From: Eason Huang @ 2023-07-22  7:21 UTC (permalink / raw)
  To: Eli Zaretskii; +Cc: 64780

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Eason Huang <aqua0210@foxmail.com>
>> Date: Sat, 22 Jul 2023 09:23:28 +0800
>>
>> I tried to use the medium weight of IBM Plex Mono font on Windows 10,
>> and find that `set-face-attribute` can not make it works as expectd.
>>
>> Steps to reproduce:
>>
>> 1. Download IBM Plex Mono font by this link:
>> https://github.com/IBM/plex/releases/download/v6.3.0/TrueType.zip
>> 2. Unzip the TrueType.zip and install the IBM Plex Mono
>> 3. Start Emacs with `emacs -Q`
>> 4. In the `*scratch*` buffer, eval the code below:
>> ```
>> (set-face-attribute 'default nil :font (format
>> "%s:pixelsize=%d:weight=medium" "IBM Plex Mono" 20))
>>
>> ```
>> 5. `M-x describe-char`, will get info about font as below:
>>  harfbuzz:-outline-IBM Plex Mono-regular-normal-normal-mono-20-*-*-*-c-*-iso8859-1 (#x03)
>>
>> And you can see the regular weight is used instead.
>
> Emacs on MS-Windows doesn't fully support any weights except these 4
> standard ones: regular, italic, bold, bold-italic.  AFAIU, it is a
> limitation of the APIs we use on Windows to enumerate font families.

Thanks for your explanation.

>> The workaround recently I used:
>>
>> ```
>> (set-face-attribute 'default nil :font (format
>> "%s:pixelsize=%d:weight=medium" "IBM Plex Mono Medm" 20))
>> ```
>> `M-x describe-char`, will get info about font as below:
>> harfbuzz:-outline-IBM Plex Mono Medm-medium-normal-normal-mono-20-*-*-*-c-*-iso8859-1 (#x18)
>>
>> But use the `IBM Plex Mono Medm` name is not convenient for me, because
>> I also want to switch to other weights sometimes, such as:
>>
>> ```
>> (set-face-attribute 'default nil :font (format "%s:pixelsize=%d:weight=regular" "IBM Plex Mono" 20))
>> (set-face-attribute 'default nil :font (format "%s:pixelsize=%d:weight=bold" "IBM Plex Mono" 20))
>> ```
>> It would be more consistent If we can use the `IBM Plex Mono` font name
>> with all font weights.
>
> Yes, those are all aspects of the above limitation.  You could
> configure the other faces (bold, italic, and bold-italic) explicitly
> to use the specific members of this font's family, like you did with
> the default face and the medium weight, but the basic problem I
> explained above will from time to time rear its ugly head and produce
> some unexpected results, when Emacs mutates a font to produce another
> weight of the same family.

Thanks for mention the potential risk.
So I will just use the regular weight on Windows if encounter issue.

-- 
Eason Huang






^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#64780: 30.0.50; set-face-attribute can not set the medium weight of IBM Plex Mono on Windows 10
  2023-07-22  7:21   ` Eason Huang
@ 2023-07-22  8:53     ` Eli Zaretskii
  0 siblings, 0 replies; 5+ messages in thread
From: Eli Zaretskii @ 2023-07-22  8:53 UTC (permalink / raw)
  To: Eason Huang; +Cc: 64780-done

> From: Eason Huang <aqua0210@foxmail.com>
> Cc: 64780@debbugs.gnu.org
> Date: Sat, 22 Jul 2023 15:21:46 +0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> From: Eason Huang <aqua0210@foxmail.com>
> >> Date: Sat, 22 Jul 2023 09:23:28 +0800
> >>
> >> I tried to use the medium weight of IBM Plex Mono font on Windows 10,
> >> and find that `set-face-attribute` can not make it works as expectd.
> >>
> >> Steps to reproduce:
> >>
> >> 1. Download IBM Plex Mono font by this link:
> >> https://github.com/IBM/plex/releases/download/v6.3.0/TrueType.zip
> >> 2. Unzip the TrueType.zip and install the IBM Plex Mono
> >> 3. Start Emacs with `emacs -Q`
> >> 4. In the `*scratch*` buffer, eval the code below:
> >> ```
> >> (set-face-attribute 'default nil :font (format
> >> "%s:pixelsize=%d:weight=medium" "IBM Plex Mono" 20))
> >>
> >> ```
> >> 5. `M-x describe-char`, will get info about font as below:
> >>  harfbuzz:-outline-IBM Plex Mono-regular-normal-normal-mono-20-*-*-*-c-*-iso8859-1 (#x03)
> >>
> >> And you can see the regular weight is used instead.
> >
> > Emacs on MS-Windows doesn't fully support any weights except these 4
> > standard ones: regular, italic, bold, bold-italic.  AFAIU, it is a
> > limitation of the APIs we use on Windows to enumerate font families.
> 
> Thanks for your explanation.
> 
> >> The workaround recently I used:
> >>
> >> ```
> >> (set-face-attribute 'default nil :font (format
> >> "%s:pixelsize=%d:weight=medium" "IBM Plex Mono Medm" 20))
> >> ```
> >> `M-x describe-char`, will get info about font as below:
> >> harfbuzz:-outline-IBM Plex Mono Medm-medium-normal-normal-mono-20-*-*-*-c-*-iso8859-1 (#x18)
> >>
> >> But use the `IBM Plex Mono Medm` name is not convenient for me, because
> >> I also want to switch to other weights sometimes, such as:
> >>
> >> ```
> >> (set-face-attribute 'default nil :font (format "%s:pixelsize=%d:weight=regular" "IBM Plex Mono" 20))
> >> (set-face-attribute 'default nil :font (format "%s:pixelsize=%d:weight=bold" "IBM Plex Mono" 20))
> >> ```
> >> It would be more consistent If we can use the `IBM Plex Mono` font name
> >> with all font weights.
> >
> > Yes, those are all aspects of the above limitation.  You could
> > configure the other faces (bold, italic, and bold-italic) explicitly
> > to use the specific members of this font's family, like you did with
> > the default face and the medium weight, but the basic problem I
> > explained above will from time to time rear its ugly head and produce
> > some unexpected results, when Emacs mutates a font to produce another
> > weight of the same family.
> 
> Thanks for mention the potential risk.
> So I will just use the regular weight on Windows if encounter issue.

OK, so I don't think we have anything else to do here, and I'm
therefore closing this bug.





^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2023-07-22  8:53 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-07-22  1:23 bug#64780: 30.0.50; set-face-attribute can not set the medium weight of IBM Plex Mono on Windows 10 Eason Huang
2023-07-22  5:48 ` Eli Zaretskii
2023-07-22  7:21   ` Eason Huang
2023-07-22  7:21   ` Eason Huang
2023-07-22  8:53     ` Eli Zaretskii

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