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Pango for Debian
----------------
These packages provides the renderer as the follow:
- X Window System
- Xft2
- FreeType
pangox.aliases file:
I recommend strongly that /etc/pango/pangox.aliases is
managed by defoma, because you can also write some font
settings to ~/.pangox_aliases instead. this file will get
preference over /etc/pango/pangox.aliases. When you will
see some broken characters or empty squares, please try to
install suggested font packages. these packages supports
defoma, so pangox.aliases will be automatically generated,
when you install them.
If you don't want to use defoma and you prefer to edit
pangox.aliases manually, please run 'dpkg-reconfigure
libpango1.0-common', and says 'No' for manage the file by
yourself.
Static-linked probram:
Right now the static version of Pango1.0 includes all of
modules. even if your program will links those static
libraries, your program should have no problem. However if
you see any problem, which is related the static libraries,
you may solve it - please try to make your program without
-static gcc option. I mean:
gcc -export-dynamic -o foo foo.c -Wl,-Bstatic
`pkg-config --cflags --libs pango` -Wl,-Bdynamic
Pango uses dlopen(3) function in order to load some
modules. Generally dynamic-linked programs/libraries has the
Procedure Linkage Table(PLT), and the undefined symbols are
resolved with it by the dynamic linker. however fully
static-linked programs has no PLT. so the dynamic linker has
no way to know what symbols they have. When the loadable
modules links another shared libraries and that shared
libraries has the same symbols with the static-linked
program, the problem may be caused. It's an ELF spec, but
not Pango bug.
Default renderer:
the default renderer has been changed to Xft2 since 1.2.0
has been released. and your font configuration depends on a
fontconfig configuration file /etc/fonts/fonts.conf. If you
want to change any of the fonts, you need to change
/etc/fonts/fonts.conf. If you want to use the X window
system fonts, which is managed by pangox.aliases file,
rather than the Xft2 renderer, you need to set GDK_USE_XFT=0
as an environment variable.
To work Pango for multilingualization:
You may need to install appropriate font packages to get
proper encodings for use with Pango. If you don't have
fonts installed that are compatible with the locales you
want to use, you may get empty squares instead of correct
glyphs.
If you add font packages:
- If you use Pango with GDK_USE_XFT=0, remember to modify
pangox.aliases file. especially that font packages doesn't
support the defoma mechanism.
- Otherwise, remember to run fc-cache.
-- Akira TAGOH <tagoh@debian.org> Sat, 6 Sep 2003 14:04:28 +0900
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