В директории ~/.config/fontconfig/font.conf находятся настройки шрифтов. Для управления сглаживанием, хинтингом нужно использовать этот файл.
Мой конфиг представлен ниже:
<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
<match target="pattern">
<edit name="dpi" mode="assign">
<double>96</double>
</edit>
</match>
<!-- Disable sub-pixel rendering.
X detects it anyway, and if you set this as well, it just looks really horrible -->
<match target="font" >
<edit mode="assign" name="rgba" >
<const>none</const>
</edit>
</match>
<match target="font" >
<edit mode="assign" name="hinting">
<bool>true</bool>
</edit>
</match>
<match target="font" >
<edit mode="assign" name="hintstyle">
<const>hintfull</const>
</edit>
</match>
<match target="font">
<edit mode="assign" name="antialias">
<bool>true</bool>
</edit>
</match>
<match target="font">
<test qual="any" name="family" compare="eq">
<string>Verdana</string>
<string>Arial</string>
<string>sans-serif</string>
<string>Courier New</string>
</test>
<edit mode="assign" name="antialias">
<bool>false</bool>
</edit>
</match>
<!-- Helvetica is a non true type font, and will look bad.
This replaces it with whatever is the default sans-serif font -->
<match target="pattern" name="family" >
<test name="family" qual="any" >
<string>Helvetica</string>
</test>
<edit mode="assign" name="family" >
<string>Verdana</string>
</edit>
</match>
<dir>~/.fonts</dir>
</fontconfig>
ps man fonts-conf
