I am an emacs user and have configured it to use my preferred font.
This
(use-package font
:no-require
:hook (after-init . setup-fonts)
:preface
(defun font-installed-p (font-name)
"Check if a font with FONT-NAME is available."
(find-font (font-spec :name font-name)))
(defun setup-fonts ()
(cond ((font-installed-p "JetBrainsMono")
(set-face-attribute 'default nil :font "JetBrainsMono"))
((font-installed-p "Source Code Pro")
(set-face-attribute 'default nil :font "Source Code Pro"))
((font-installed-p "DejaVu Sans")
(set-face-attribute 'default nil :font "DejaVu Sans")))
(provide 'font)))
is what I am using in my init.el file to choose my preferred font.
When I evaluate-and-print
(face-attribute 'default :font)
#<font-object "-JB-JetBrains
Mono-regular-normal-normal-*-27-*-*-*-m-0-iso10646-1">
I am sure that I am using JetBrains Mono as intended.
Andreas
Am 11.06.24 um 03:09 schrieb Gordon Ross:
Looking into this again. I definitely have this font selected:
$ fc-match "Deja Vu Sans Mono"
DejaVuSansMono.ttf: "DejaVu Sans Mono" "Book"
$ fc-match "Deja Vu Sans Mono-12"
DejaVuSansMono.ttf: "DejaVu Sans Mono" "Book"
It exists, and is a TrueType font.
If I use that font in a mate-terminal profile
(un-check "use system font" and specify that)
it renders with font smoothing as expected.
Selecting that same font in emacs give the jagged edges.
Any ideas what else could be disabling font smoothing?
On Tue, Nov 21, 2023 at 7:58 PM Alan Coopersmith
<alan.coopersm...@oracle.com> wrote:
Yes, the "bad" one is not antialiased, possibly a bitmap font,
while the "good" one is definitely antialiased, possibly TrueType or OpenType.
-alan-
On 11/21/23 07:25, Gordon Ross wrote:
Thanks. I've confirmed that emacs is using the system font in both builds.
Here are two screen shots (bad, good) that one can zoom in.
The bad one has visible stair step diagonals etc. so I guess
the good one has "anti-aliasing" and the bad does not?
Does that clue help in tracking this down?
On Mon, Nov 20, 2023 at 2:20 PM Alan Coopersmith
<alan.coopersm...@oracle.com> wrote:
GTK & Pango use fonts from fontconfig, not from X11, so it's not expected
to match xfontsel (which uses X11 fonts). Among other things, Pango 1.44
dropped support for Type 1 & bitmap fonts, which X11/xfontsel still support,
leaving TrueType & OpenType font support. One easy to spot difference,
fontconfig uses more natural names, like "DejaVu Sans Mono", while X11 uses
the older naming format with the 14 dashes separating fields. Visually,
if the font is anti-aliased or LCD optimized, it must be fontconfig, as
the X11 font system doesn't support either technology.
https://www.x.org/releases/current/doc/xorg-docs/fonts/fonts.html
describes the difference (using "Xft" for the fontconfig system),
but it's about a decade behind the latest changes now.
-alan-
On 11/20/23 11:10, Gordon Ross wrote:
As far as I can tell, the "system" font for mate terminal and such is:
"DejaVu Sans Mono", or
-misc-dejavu sans mono-medium-o-normal--0-0-0-0-p-0-ascii-0
Based on what I see with xfontsel, it looks like emacs may be using:
-misc-dejavu sans light-extralight-r-normal--0-0-0-0-p-0-ascii-0
I tried playing with the options/Set Default Font in emacs.
I'm not sure why, but emacs shows a lot less than xlsfonts does.
Here's what I have (from "save options") in both builds.
(custom-set-faces
;; custom-set-faces was added by Custom.
;; If you edit it by hand, you could mess it up, so be careful.
;; Your init file should contain only one such instance.
;; If there is more than one, they won't work right.
'(default ((t (:family "DejaVu Sans Mono" :foundry "PfEd" :slant
normal :weight normal :width normal :height 113)))))
There seems to be a change in either the fonts or the rendering, from
the older OI build to recent ones.
The examples shown by "xfontsel" look too light in some cases too.
I'd appreciate tips on how to track down this problem.
Thanks
On Wed, Nov 8, 2023 at 4:27 PM Gary Mills <gary_mi...@fastmail.fm> wrote:
On Wed, Nov 08, 2023 at 05:44:42PM +0100, Andreas Wacknitz wrote:
If you are using the gtk variant of emacs
That's the one I'm using.
then it relies on pango for
font rendering and layout which in case has dropped support for older
font types a couple of months ago.
So your problem might be that you are trying to use an unsupported (by
pango) font type and thus rendering results look ugly.
You might solve this be choosing a font of a supported font type, eg. a
truetype font.
There's no indication of truetype in the list of fonts that emacs
displays. In fact, emacs will often tell me that a font does not
exist when I select that font from its list.
--
-Gary Mills- -refurb- -Winnipeg, Manitoba, Canada-
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--
-Alan Coopersmith- alan.coopersm...@oracle.com
Oracle Solaris Engineering - https://blogs.oracle.com/solaris
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