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ville-v
n00b
Joined: 09 Apr 2013
Posts: 7
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 Posted: Thu Dec 18, 2014 6:29 am Post subject: Firefox pdf preview uses too big unreadable fonts |
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When I open a pdf file in Firefox, many pdf show up with too big font that is unreadable. For example, this file looks like this:
http://i.imgur.com/lEU6Bb7.png
http://www.comets.fi/@Bin/202304/aikataulu_2015_kevat_15_12_2014.pdf
When I open the file at the default 100% zoom, the font is twice too big and does not fit the table. When I zoom 200%, the boxes scale but the text does not. I have to zoom 200% so that the pdf would look as intended. On another computer, the file looks fine. It seems to me that this problem mostly affects files with tables.
What should I do to fix this error? Thanks. |
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v_andal
Guru
Joined: 26 Aug 2008
Posts: 541
Location: Germany
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| Posted: Thu Dec 18, 2014 7:58 am Post subject: |
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Try to play with fonts settings, both in Firefox and in fontsconfig. My Firefox opened that document without any problem, so there should be a way to tune it. Though I agree, fonts support in Linux is a mess  |
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charles17
Advocate
Joined: 02 Mar 2008
Posts: 3664
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ville-v
n00b
Joined: 09 Apr 2013
Posts: 7
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| Posted: Fri Dec 19, 2014 11:26 pm Post subject: Re: Firefox pdf preview uses too big unreadable fonts |
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Yes, this also happens with a clean profile. Starting up, I get these errors. Are they related?
| Code: | $ firefox -ProfileManager
(process:17168): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 14: reading configurations from ~/.fonts.conf is deprecated.
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These files don't seem to have anything unusual.
/etc/fonts/conf.d/50-user.conf
| Code: | <?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
<!--
Load per-user customization files where stored on XDG Base Directory
specification compliant places. it should be usually:
$HOME/.config/fontconfig/conf.d
$HOME/.config/fontconfig/fonts.conf
-->
<include ignore_missing="yes" prefix="xdg">fontconfig/conf.d</include>
<include ignore_missing="yes" prefix="xdg">fontconfig/fonts.conf</include>
<!-- the following elements will be removed in the future -->
<include ignore_missing="yes" deprecated="yes">~/.fonts.conf.d</include>
<include ignore_missing="yes" deprecated="yes">~/.fonts.conf</include>
</fontconfig>
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/etc/fonts/conf.d/41-ttf-arphic-ukai.conf
| Code: | <?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
<!--
Sans-serif faces
-->
<alias>
<family>AR PL ZenKai Uni</family>
<family>AR PL ZenKai Uni MBE</family>
<family>AR PL UKai CN</family>
<family>AR PL UKai HK</family>
<family>AR PL UKai TW</family>
<family>AR PL UKai TW MBE</family>
<default><family>sans-serif</family></default>
</alias>
</fontconfig> |
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charles17
Advocate
Joined: 02 Mar 2008
Posts: 3664
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| Posted: Sat Dec 20, 2014 9:05 am Post subject: Re: Firefox pdf preview uses too big unreadable fonts |
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| ville-v wrote: | Yes, this also happens with a clean profile. Starting up, I get these errors. Are they related?
| Code: | $ firefox -ProfileManager
(process:17168): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 14: reading configurations from ~/.fonts.conf is deprecated.
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The "GLib-CRITICAL" seems to be normal, there were discussions in the past already. And that's what I always get when starting firefox from command line. But I've never had those Fontconfig warning messages. |
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ville-v
n00b
Joined: 09 Apr 2013
Posts: 7
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| Posted: Mon Dec 22, 2014 11:01 am Post subject: |
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| I updated Firefox to 31.3.0 today and it solved this. No idea why. |
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v_andal
Guru
Joined: 26 Aug 2008
Posts: 541
Location: Germany
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| Posted: Tue Dec 23, 2014 7:40 am Post subject: Re: Firefox pdf preview uses too big unreadable fonts |
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| ville-v wrote: | Starting up, I get these errors. Are they related?
| Code: | $ firefox -ProfileManager
(process:17168): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/41-ttf-arphic-ukai.conf", line 16: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 14: reading configurations from ~/.fonts.conf is deprecated.
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/etc/fonts/conf.d/41-ttf-arphic-ukai.conf
| Code: | <?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
<!--
Sans-serif faces
-->
<alias>
<family>AR PL ZenKai Uni</family>
<family>AR PL ZenKai Uni MBE</family>
<family>AR PL UKai CN</family>
<family>AR PL UKai HK</family>
<family>AR PL UKai TW</family>
<family>AR PL UKai TW MBE</family>
<default><family>sans-serif</family></default>
</alias>
</fontconfig> |
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The error indicates, that newer version of fontconfig does not support multiple <family> entries within <alias>. So the 41-ttf-arphic-ukai.conf is essentially broken. Most likely it is harmless. I guess you can even deactivate this file using eselect fontconfig. Alternatively you can try and modify it to be something like
| Code: |
<alias>
<family>AR PL ZenKai Uni</family>
<default><family>sans-serif</family></default>
</alias>
<alias>
<family>AR PL ZenKai Uni MBE</family>
<default><family>sans-serif</family></default>
</alias>
<alias>
<family>AR PL UKai CN</family>
<default><family>sans-serif</family></default>
</alias>
<alias>
<family>AR PL UKai HK</family>
<default><family>sans-serif</family></default>
</alias>
<alias>
<family>AR PL UKai TW</family>
<default><family>sans-serif</family></default>
</alias>
<alias>
<family>AR PL UKai TW MBE</family>
<default><family>sans-serif</family></default>
</alias>
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