[Fontconfig] cannot open font?

Fri May 21 13:43:03 EST 2004

Greetings --

I've had some problems installing fontconfig 2.2.94 -- it would exit
with make error 139, which trawling the net showed to be alleviated by
removing /usr/lib/X11/fonts/URW symlink, the only symlink there on my
(heavily updated) SuSE 7.1, pointing to /usr/share/ghostscript/fonts.
Later things would segfault if URW was put back or even replaced by a
full copy, so I just sort of left it out.

Now I have a problem with perl Gtk2/Pango, when trying to run a
short script called massrorate.  I posted to gtk-per list, but they
say it's a fontconfig/Pango problem.  That much I see, as gtk+ tests
work by themselves, showing boxes with text.  I attach the gtk-perl
message for reference.

The strange result is, massrotate would just segfault with no messages,
until I'd run gtk+ tests from its build directory, tests/.libs/.
Then it would create a ~/.font.cache-1 in my home directory, and
massrotate would do a new trick:

WARNING **: Cannot open font file for font Bitstream Charter 16 at /usr/local/bin/massrotate line 99.
Segmentation fault

Tracing in gdb shows it's pango.  However, I was getting messages
like unable to open default font configuration file, referring to
fontconfig.org, so I guess it's a pango/fontconfig interplay.
Does that warning above come from fontconfig?  It installed
/usr/local/etc/fonts/font.conf, and copying them around to /etc or
~/.fonts didn't help.  I'm running xfs, while font.conf refers to
explicit font directories -- where font.cache-1 properly exists.
The 16 size above comes from my ~/.gtkrc-2.0, and Bitstream Charter
seems to match everything.  In fc-match, I get this:

fc-match "Bitstream Charter 10"
Efont_Serif.ttf: "Efont Serif" "Regular"

And in /usr/lib/X11/fonts/truetype, I see 

ls /usr/lib/X11/fonts/truetype/
Efont_Serif.ttf       Efont_Serif_B.ttf   fonts.dir
Efont_Serif_A.ttf     Efont_Serif_BI.ttf  fonts.scale
Efont_Serif_A_B.ttf   Efont_Serif_I.ttf   fonts.scale.efont-serif-ttf
Efont_Serif_A_BI.ttf  encodings.dir
Efont_Serif_A_I.ttf   fonts.cache-1

So in order to show a little window to rotate a jpeg, I need to unravel
the whole font architecture!  :)  Is it pango, in your opinion, or
misconfigured fontconfig -- then how do I test the font *can* be rendered?
I use the default font.conf, except removing the URW from there.

-- 
Cheers,
Alexy Khrabrov :: www.setup.org :: Age Quod Agis
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Date: Thu, 20 May 2004 12:13:53 -0400
From: Alexy Khrabrov <list+gtk2perl at setup.org>
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Subject: massrotate fontconfig, Gtk2
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Greetings -- I've found a simple script on freshmeat, massrotate,
which allows to quickly apply lossless jpegtran rotation to digital
photos.  The simplest thing, it shows pictures and lets one choose
which to rotate.  It's in perl-Gtk2.

http://freshmeat.net/projects/massrotate/

So I found my SuSE 7.1 lacking and got all the sources, glib,
fontconfig, xft, libXrender, pango, atk, gtk+, ah!  Compiles.

All the tests in gtk+-2.4.1/tests/.libs/ work fine, showing windows
with text, buttons with text, etc.

perl -MCPAN -e shell, install Gtk2, ah!  Installs.
When I call massrotate, it says,

WARNING **: Cannot open font file for font Bitstream Charter 16 at
+/usr/local/bin/massrotate line 99.
Segmentation fault

It was doing just segfault until I removed /usr/lib/X11/fonts/URW.
Same removal was needed while installing fontconfig-2.2.94 (and
2.2.2).  Even replacing the URW, which was a (only) symlink to
/usr/share/ghostscript/fonts, with the actual copy, didn't help then
and now.

I wonder where Gtk2 and Pango fail to load the fonts, even though
stand-alone gtk+ tests do show text captions.

-- 
Cheers,
Alexy Khrabrov :: www.setup.org :: Age Quod Agis
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