Public bug reported:
Hello,
I discovered that the font Arimo from the package fonts-croscore is
rendered in weird way in Firefox.
Steps to reproduce:
- On Kubuntu Focal install package fonts-croscore
- Open a website that has text where Arimo gets chosen as font (Arimo seems to
be considered as the default font for sans-serif text by Firefox when it is
installed)
- The text looks a bit weird an ugly (at least to me)
- Compare the text in Firefox with the same text in LibreOffice Writer (choose
Arimo as font)
In other applications as Firefox (e.g. LibreOffice, KDE Font Viewer,
Chromium) Arimo looks exactly the same as the font Liberation Sans.
I managed to track this down - since the font is rendered correctly in
Firefox on Ubuntu with Gnome desktop, I looked for Kubuntu specific font
settings and found out that the following passage in
/etc/fonts/conf.avail/56-kubuntu-noto.conf is responsible for the bad
rendering:
<match target="font">
<!-- Turn on BCI (turn off autohint) for Arimo -->
<test name="family"><string>Arimo</string></test>
<edit name="hinting" mode="assign"><bool>true</bool></edit>
<edit name="hintstyle" mode="assign"><const>hintfull</const></edit>
<edit name="autohint" mode="assign"><bool>false</bool></edit>
</match>
If I comment this out, then Firefox renders text in Arimo correctly like
all other applications.
I have attached two screenshots that compare the rendering in Firefox
with default settings and with the respective passage in
/etc/fonts/conf.avail/56-kubuntu-noto.conf commented out.
Kind regards,
Jan
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: kubuntu-settings-desktop 1:20.04.8
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu26
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Mon Apr 13 17:19:21 2020
InstallationDate: Installed on 2020-04-08 (5 days ago)
InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200408)
PackageArchitecture: all
SourcePackage: kubuntu-settings
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: kubuntu-settings (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
** Attachment added: "Arimo in Firefox default rendering"
https://bugs.launchpad.net/bugs/1872492/+attachment/5353346/+files/Screenshot_20200413_171631.png
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https://bugs.launchpad.net/bugs/1872492
Title:
Setting in /etc/fonts/conf.avail/56-kubuntu-noto.conf causes Arimo
font to be rendered weirdly in Firefox
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