[R] Monospaced font not shown correctly (Xubuntu 20.04)

Viechtbauer, Wolfgang (SP) wo||g@ng@v|echtb@uer @end|ng |rom m@@@tr|chtun|ver@|ty@n|
Wed Jan 20 10:45:06 CET 2021 

And to conclude this little saga (that nobody is probably reading, but at least then there is a solution in the archives):

Adding the following to ~/.config/fontconfig/fonts.conf worked for me:

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
    <match>
        <test name="family">
            <string>Courier</string>
        </test>
        <edit mode="assign" name="file">
            <string>/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf</string>
        </edit>
    </match>
</fontconfig>

Substitute your favorite (ttf/otf) monospaced font above.

Best,
Wolfgang

>-----Original Message-----
>From: R-help [mailto:r-help-bounces using r-project.org] On Behalf Of Viechtbauer,
>Wolfgang (SP)
>Sent: Wednesday, 20 January, 2021 10:10
>To: Paul Murrell; r-help using r-project.org
>Subject: Re: [R] Monospaced font not shown correctly (Xubuntu 20.04)
>
>Ah, nevermind. X11Fonts() is only for Xlib.
>
>I'll see if I can figure out how to get 'fc-match Courier' to point to a
>otf/ttf font. I guess this is explained here:
>https://www.freedesktop.org/software/fontconfig/fontconfig-user.html
>
>Best,
>Wolfgang
>
>>-----Original Message-----
>>From: R-help [mailto:r-help-bounces using r-project.org] On Behalf Of
>Viechtbauer,
>>Wolfgang (SP)
>>Sent: Wednesday, 20 January, 2021 9:44
>>To: Paul Murrell; r-help using r-project.org
>>Subject: Re: [R] Monospaced font not shown correctly (Xubuntu 20.04)
>>
>>Dear Paul,
>>
>>Thanks for the helpful reply. Indeed:
>>
>>> fc-match Times
>>NimbusRoman-Regular.otf: "Nimbus Roman" "Regular"
>>> fc-match Helvetica
>>NimbusSans-Regular.otf: "Nimbus Sans" "Regular"
>>
>>are OpenType fonts. Also:
>>
>>X11(type="Xlib", family="mono")
>>plot(1)
>>
>>works. So does
>>
>>X11(family="Courier New") # type="cairo" by default
>>plot(1)
>>
>>or
>>
>>X11(family="Inconsolata")
>>plot(1)
>>
>>Can I not override what is specified under X11Fonts() with? Because this
>>does not work:
>>
>>X11Fonts(mono="-*-inconsolata-%s-%s-*-*-%d-*-*-*-*-*-*-*")
>>X11(family="mono")
>>plot(1)
>>
>>Best,
>>Wolfgang
>>
>>>-----Original Message-----
>>>From: Paul Murrell [mailto:paul using stat.auckland.ac.nz]
>>>Sent: Wednesday, 20 January, 2021 0:37
>>>To: Viechtbauer, Wolfgang (SP); r-help using r-project.org
>>>Subject: Re: [R] Monospaced font not shown correctly (Xubuntu 20.04)
>>>
>>>Hi
>>>
>>>The switch to XUbunutu 20.04 may mean a switch to Pango > 1.44 (it does
>>>on Ubuntu 20.04), which means loss of support for Type 1 fonts (on
>>>Cairo-based graphics devices).
>>>
>>>The Courier fonts (the default for "mono" on Cairo-based devices) that
>>>you found are all Type 1 (.pfb) fonts.
>>>
>>>What does this give you (the matches for the default "sans" and "serif"
>>>on Cairo-based devices) ... ?
>>>
>>>fc-match Times
>>>fc-match Helvetica
>>>
>>>If those are .ttf or .otf fonts then that would explain why "sans" and
>>>"serif" still work.
>>>
>>>A workaround is to specify the family name for a non-Type-1 monospaced
>>>font, e.g., "Courier New" (?), or install a non-Type-1 Courier
>>>replacement (and specify that).
>>>
>>>Hope that helps.
>>>
>>>Paul
>>>
>>>On 20/01/21 3:48 am, Viechtbauer, Wolfgang (SP) wrote:
>>>> Hi all,
>>>>
>>>> On my system (Xubuntu 20.04), using par(family="mono") is not rendered
>>>> correctly. The same issue was raised here:
>>>>
>>>> https://stackoverflow.com/questions/64207220/rendering-plot-in-r-with-
>>>mono-spaced-family-font-does-not-display-characters-any
>>>> <https://stackoverflow.com/questions/64207220/rendering-plot-in-r-with-
>>>mono-spaced-family-font-does-not-display-characters-any>
>>>>
>>>> Using par(family="monospace") does work:
>>>>
>>>> par(mfrow=c(1,2))
>>>> par(family="mono")
>>>> plot(1)
>>>> par(family="monospace")
>>>> plot(1)
>>>>
>>>> Also, when saving to pdf, it works fine:
>>>>
>>>> pdf("plot.pdf"); par(family="mono"); plot(1); dev.off()
>>>>
>>>> I have forced a refresh of the font cache:
>>>>
>>>> fc-cache -r --verbose --really-force
>>>>
>>>> And Courier is available:
>>>>
>>>>  > fc-list | grep Courier
>>>>
>>>> /usr/share/fonts/X11/Type1/c0419bt_.pfb: Courier 10 Pitch:style=Regular
>>>> /usr/share/fonts/type1/texlive-fonts-recommended/pcrb8a.pfb:
>>>> Courier:style=Bold
>>>> /usr/share/fonts/X11/Type1/c0611bt_.pfb: Courier 10 Pitch:style=Bold
>>>Italic
>>>> /usr/share/fonts/type1/texlive-fonts-recommended/pcrr8a.pfb:
>>>> Courier:style=Regular
>>>> /usr/share/fonts/X11/Type1/c0582bt_.pfb: Courier 10 Pitch:style=Italic
>>>> /usr/share/fonts/X11/Type1/c0583bt_.pfb: Courier 10 Pitch:style=Bold
>>>> /usr/share/fonts/type1/texlive-fonts-recommended/pcrro8a.pfb:
>>>> Courier:style=Italic
>>>> /usr/share/fonts/type1/texlive-fonts-recommended/pcrbo8a.pfb:
>>>> Courier:style=Bold Italic
>>>>
>>>> Any other ideas how to fix this?
>>>>
>>>> Best,
>>>> Wolfgang
>>>>
>>>> (happy to move this to R-SIG-Debian if this would be more appropriate)
>>>>
>>>>  > sessionInfo()
>>>> R version 4.0.3 (2020-10-10)
>>>> Platform: x86_64-pc-linux-gnu (64-bit)
>>>> Running under: Ubuntu 20.04.1 LTS
>>>>
>>>> Matrix products: default
>>>> BLAS: /usr/lib/x86_64-linux-gnu/openblas-pthread/libblas.so.3
>>>> LAPACK: /usr/lib/x86_64-linux-gnu/openblas-pthread/liblapack.so.3
>>>>
>>>> locale:
>>>> [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C LC_TIME=en_US.UTF-8
>>>> [4] LC_COLLATE=C LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8
>>>> [7] LC_PAPER=en_US.UTF-8 LC_NAME=C LC_ADDRESS=C
>>>> [10] LC_TELEPHONE=C LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
>>>>
>>>> attached base packages:
>>>> [1] stats graphics grDevices utils datasets methods base
>>>>
>>>> loaded via a namespace (and not attached):
>>>> [1] compiler_4.0.3 tools_4.0.3
>>>>
>>>>  > X11Fonts()
>>>> $serif
>>>> [1] "-*-times-%s-%s-*-*-%d-*-*-*-*-*-*-*"
>>>>
>>>> $sans
>>>> [1] "-*-helvetica-%s-%s-*-*-%d-*-*-*-*-*-*-*"
>>>>
>>>> $mono
>>>> [1] "-*-courier-%s-%s-*-*-%d-*-*-*-*-*-*-*"
>>>>
>>>> $Times
>>>> [1] "-adobe-times-%s-%s-*-*-%d-*-*-*-*-*-*-*"
>>>>
>>>> $Helvetica
>>>> [1] "-adobe-helvetica-%s-%s-*-*-%d-*-*-*-*-*-*-*"
>>>>
>>>> $CyrTimes
>>>> [1] "-cronyx-times-%s-%s-*-*-%d-*-*-*-*-*-*-*"
>>>>
>>>> $CyrHelvetica
>>>> [1] "-cronyx-helvetica-%s-%s-*-*-%d-*-*-*-*-*-*-*"
>>>>
>>>> $Arial
>>>> [1] "-monotype-arial-%s-%s-*-*-%d-*-*-*-*-*-*-*"
>>>>
>>>> $Mincho
>>>> [1] "-*-mincho-%s-%s-*-*-%d-*-*-*-*-*-*-*"
>>
>>______________________________________________
>>R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
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>>PLEASE do read the posting guide http://www.R-project.org/posting-
>guide.html
>>and provide commented, minimal, self-contained, reproducible code.
>
>______________________________________________
>R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.

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