Fonts - Red Hat ENTERPRISE LINUX 3 Reference Manual

Chapter 7. The X Window System
• SubSection "Display"
section may have multiple
Screen
color depth specified in the
• Option " option-name "
tion. Replace
option-name
man page.
7.3.1.10.
DRI
The optional section specifies parameters for the Direct Rendering Infrastructure (DRI). DRI is
DRI
an interface which allows 3D software applications to take advantage of 3D hardware acceleration
capabilities built into most modern video hardware. In addition, DRI can improve 2D performance
via hardware acceleration, if supported by the video card driver.
This section is ignored unless DRI is enabled in the
The following example illustrates a typical
Section "DRI"
Group
Mode
EndSection
Since different video cards use DRI in different ways, do not alter the values for this section without
first referring to the
/usr/X11R6/lib/X11/doc/README.DRI

7.4. Fonts

Red Hat Enterprise Linux uses two methods to manage and display fonts under XFree86. The newer
Fontconfig font subsystem simplifies font management and provides advanced display features, such
as anti-aliasing. This system is used automatically for applications programmed using the Qt 3 or
GTK+ 2 graphical toolkit.
For compatibility, Red Hat Enterprise Linux includes the original font subsystem, called the core X
font subsystem. This system, which is over 15 years old, is based around the X Font Server (xfs).
This section discusses how to configure fonts for X using both systems.
7.4.1. Fontconfig
The Fontconfig font subsystem allows applications to directly access fonts on the system and use
Xft or other rendering mechanisms to render Fontconfig fonts with advanced anti-aliasing. Graphical
applications can use the Xft library with Fontconfig to draw text to the screen.
Over time, the Fontconfig/Xft font subsystem replaces the core X font subsystem.
Important
The Fontconfig font subsystem does not yet work for OpenOffice.org, which uses its own font ren-
dering technology.
It is important to note that Fontconfig uses the
replaces
/etc/X11/XftConfig
— Specifies the screen modes available at a particular color depth. A
Display
DefaultDepth
— An optional entry which specifies extra parameters for the sec-
with a valid option listed for this section in the
DRI
0
0666
. The Fontconfig configuration file should not be edited by hand.
subsections, but there must be at least one for the
entry.
section.
Module
section:
file.
/etc/fonts/fonts.conf
XF86Config
configuration file, which
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