[Paraview] Font troubles + fontconfig errors and warnings

[Mathieu Westphal]

This issue is already listed here :
https://gitlab.kitware.com/paraview/paraview/issues/18107

We indeed need to upgrade fontconfig in our ParaView build.

Best,

Mathieu Westphal

On Tue, Jun 12, 2018 at 11:52 AM, Paul Melis <paul.melis at surfsara.nl> wrote:

> Hi,
>
> With versions of PV based on Qt5 I get quite a few errors/warnings in the
> console, as shown below. Furthermore, the actual font used in the UI
> becomes a pretty horrible serif-based one. I saw a bug report from 2016
> mentioning that the fontconfig version PV used might be newer than what is
> installed on the OS, but here the opposite might be true. My Arch system
> has fontconfig 2.13.0, which is the newest. The issue happens with the
> official binaries for 5.3.0, 5.4.1 and 5.5.1. The regular Qt Assistant for
> the installed Qt5 does not have any issues, so this appears to be a PV
> specific problem. Is there any way to force a better font, without having
> to build a PV version myself?
>
> Thanks in advance for any help,
> Paul
>
> paulm at llt0022:~$ ~/software/ParaView-5.4.1-Qt5-
> OpenGL2-MPI-Linux-64bit/bin/paraview
> Fontconfig warning: line 5: unknown element "its:rules"
> Fontconfig warning: line 6: unknown element "its:translateRule"
> Fontconfig error: line 6: invalid attribute 'translate'
> Fontconfig error: line 6: invalid attribute 'selector'
> Fontconfig error: line 7: invalid attribute 'xmlns:its'
> Fontconfig error: line 7: invalid attribute 'version'
> Fontconfig warning: line 9: unknown element "description"
> Fontconfig warning: "/etc/fonts/conf.d/10-hinting-slight.conf", line 4:
> unknown element "its:rules"
> Fontconfig warning: "/etc/fonts/conf.d/10-hinting-slight.conf", line 5:
> unknown element "its:translateRule"
> Fontconfig error: "/etc/fonts/conf.d/10-hinting-slight.conf", line 5:
> invalid attribute 'translate'
> Fontconfig error: "/etc/fonts/conf.d/10-hinting-slight.conf", line 5:
> invalid attribute 'selector'
> Fontconfig error: "/etc/fonts/conf.d/10-hinting-slight.conf", line 6:
> invalid attribute 'xmlns:its'
> Fontconfig error: "/etc/fonts/conf.d/10-hinting-slight.conf", line 6:
> invalid attribute 'version'
> Fontconfig warning: "/etc/fonts/conf.d/10-hinting-slight.conf", line 8:
> unknown element "description"
> Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line
> 4: unknown element "its:rules"
> Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line
> 5: unknown element "its:translateRule"
> Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 5:
> invalid attribute 'translate'
> Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 5:
> invalid attribute 'selector'
> Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 6:
> invalid attribute 'xmlns:its'
> Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 6:
> invalid attribute 'version'
> Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line
> 8: unknown element "description"
> Fontconfig warning: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line
> 4: unknown element "its:rules"
> Fontconfig warning: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line
> 5: unknown element "its:translateRule"
> Fontconfig error: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line 5:
> invalid attribute 'translate'
> Fontconfig error: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line 5:
> invalid attribute 'selector'
> ....
>
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