<s>
Crazy	B-Language
Eddie	I-Language
's	I-Language
GUI	I-Language
(	O
CEGUI	B-Language
)	O
is	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
library	B-Library
for	O
the	O
programming	O
language	O
C++	B-Language
.	O
</s>
<s>
The	O
strengths	O
CEGUI	B-Language
are	O
its	O
robustness	O
and	O
its	O
configurability	O
.	O
</s>
<s>
CEGUI	B-Language
interfaces	O
with	O
these	O
through	O
user-defined	O
code	O
,	O
though	O
its	O
source	O
code	B-Library
package	I-Library
comes	O
with	O
a	O
number	O
of	O
modules	O
for	O
using	O
certain	O
components	O
and	O
libraries	O
.	O
</s>
<s>
This	O
freedom	O
allows	O
using	O
CEGUI	B-Language
in	O
any	O
kind	O
of	O
resource	O
management	O
system	O
or	O
operating	O
environment	O
.	O
</s>
<s>
Input	O
is	O
expected	O
to	O
be	O
gathered	O
by	O
the	O
user	O
's	O
code	O
,	O
possibly	O
filtered	O
as	O
the	O
user	O
sees	O
fit	O
,	O
and	O
then	O
passed	O
to	O
CEGUI	B-Language
for	O
window	O
processing	O
.	O
</s>
<s>
CEGUI	B-Language
comes	O
with	O
a	O
reasonable	O
set	O
of	O
widgets	O
,	O
comparable	O
to	O
those	O
of	O
the	O
average	O
widget	B-Library
toolkit	I-Library
.	O
</s>
<s>
CEGUI	B-Language
can	O
be	O
fully	O
customized	O
using	O
standard	O
image	O
,	O
xml	O
,	O
and/or	O
code	O
editing	O
tools	O
.	O
</s>
<s>
However	O
,	O
CEGUI	B-Language
also	O
provides	O
tools	O
designed	O
to	O
aid	O
in	O
designing	O
and	O
developing	O
CEGUI	B-Language
based	O
interfaces	O
.	O
</s>
<s>
Older	O
CEGUI	B-Language
versions	O
,	O
before	O
0.8	O
,	O
provided	O
separate	O
tools	O
to	O
edit	O
different	O
aspects	O
of	O
the	O
interface	O
.	O
</s>
<s>
Since	O
CEGUI	B-Language
0.8	O
,	O
there	O
exists	O
a	O
new	O
unified	O
editing	O
tool	O
called	O
CEGUI	B-Language
unified	O
editor	O
(	O
CEED	O
)	O
which	O
is	O
being	O
actively	O
developed	O
.	O
</s>
<s>
It	O
incorporates	O
all	O
aspects	O
of	O
GUI	B-Application
development	O
into	O
one	O
tool	O
.	O
</s>
<s>
CEGUI	B-Language
provides	O
modules	O
for	O
Direct3D	B-Application
,	O
OpenGL	B-Application
,	O
the	O
OGRE	B-Application
3D	O
engine	O
,	O
and	O
the	O
Irrlicht	B-Language
Engine	I-Language
.	O
</s>
<s>
CEGUI	B-Language
's	O
GUI	B-Application
components	O
are	O
organized	O
in	O
a	O
tree	O
(	O
graph	O
)	O
and	O
are	O
rendered	O
in	O
the	O
order	O
of	O
the	O
tree	O
traversal	O
.	O
</s>
<s>
This	O
allows	O
the	O
library	B-Library
to	O
be	O
used	O
in	O
virtually	O
any	O
operating	O
environment	O
.	O
</s>
<s>
CEGUI	B-Language
has	O
a	O
flexible	O
Memory	O
Management	O
system	O
.	O
</s>
<s>
This	O
system	O
was	O
based	O
on	O
OGRE	B-Application
and	O
allows	O
clients	O
to	O
map	O
different	O
types	O
of	O
allocators	O
to	O
different	O
types	O
of	O
objects	O
.	O
</s>
<s>
CEGUI	B-Language
provides	O
support	O
for	O
OGRE	B-Application
and	O
nedmalloc	O
allocators	O
.	O
</s>
<s>
CEGUI	B-Language
has	O
an	O
optional	O
back-end	O
Scripting	O
Module	O
.	O
</s>
<s>
Lua	B-Language
and	O
Python	B-Language
scripting	O
modules	O
are	O
provided	O
by	O
CEGUI	B-Language
.	O
</s>
<s>
The	O
full	O
CEGUI	B-Language
application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
is	O
available	O
via	O
script	O
so	O
that	O
clients	O
can	O
create	O
windows	O
,	O
define	O
relationships	O
,	O
and	O
handle	O
events	O
all	O
within	O
a	O
scripted	O
environment	O
.	O
</s>
<s>
CEGUI	B-Language
has	O
a	O
powerful	O
system	O
for	O
defining	O
the	O
look	O
and	O
feel	O
of	O
various	O
widgets	O
.	O
</s>
<s>
The	O
system	O
,	O
named	O
Falagard	O
,	O
allows	O
defining	O
the	O
look	O
of	O
a	O
widget	O
via	O
XML	O
files	O
,	O
or	O
C++	B-Language
code	I-Language
,	O
if	O
the	O
user	O
prefers	O
.	O
</s>
<s>
CEGUI	B-Language
has	O
a	O
built-in	O
animation	O
system	O
.	O
</s>
<s>
CEGUI	B-Language
is	O
Unicode-aware	O
and	O
has	O
support	O
for	O
bi-directional	O
languages	O
via	O
an	O
optional	O
back-end	O
Bidi	O
Module	O
.	O
</s>
<s>
CEGUI	B-Language
can	O
be	O
built	O
with	O
no	O
dependencies	O
to	O
outside	O
libraries	O
.	O
</s>
<s>
However	O
,	O
typical	O
configurations	O
require	O
FreeType	B-Application
,	O
a	O
rendering	O
module	O
,	O
an	O
XML	O
parser	O
module	O
,	O
and	O
an	O
image	O
codec	O
module	O
.	O
</s>
<s>
CEGUI	B-Language
already	O
provides	O
support	O
for	O
several	O
external	O
libraries	O
thanks	O
to	O
its	O
modular	O
design	O
:	O
</s>
<s>
+	O
External	O
libraries	O
supported	O
by	O
CEGUI	B-Language
Type	O
Name	O
Additional	O
information	O
Rendering	O
Module	O
OpenGL	B-Application
3.2	O
+	O
Core	O
Profile	O
Uses	O
the	O
programmable	O
rendering	O
pipeline	O
and	O
only	O
non-deprecated	O
functionality	O
and	O
is	O
therefore	O
compatible	O
with	O
OpenGL	B-Application
Core	O
Profile	O
contexts	O
(	O
available	O
since	O
OpenGL	B-Application
3.2	O
)	O
.	O
</s>
<s>
It	O
can	O
also	O
be	O
used	O
with	O
older	O
OpenGL	B-Application
versions	O
and/or	O
Compatibility	O
Profile	O
,	O
as	O
long	O
as	O
the	O
needed	O
functions	O
are	O
available	O
.	O
</s>
<s>
OpenGL	B-Application
Uses	O
the	O
fixed-function	O
rendering	O
pipeline	O
.	O
</s>
<s>
It	O
is	O
designed	O
to	O
be	O
compatible	O
with	O
very	O
early	O
OpenGL	B-Application
versions	O
,	O
as	O
early	O
as	O
OpenGL	B-Application
1.2	O
,	O
using	O
some	O
OpenGL	B-Application
extensions	O
.	O
</s>
<s>
Microsoft	B-Application
Direct3D	I-Application
Microsoft	B-Application
Direct3D	I-Application
9	O
,	O
10	O
,	O
and	O
11	O
are	O
supported	O
using	O
separate	O
modules	O
.	O
</s>
<s>
OGRE	B-Application
The	O
latest	O
stable	O
Ogre	B-Application
version	O
is	O
supported	O
in	O
the	O
releases	O
.	O
</s>
<s>
Irrlicht	B-Language
Engine	I-Language
The	O
latest	O
stable	O
Irrlicht	O
version	O
is	O
supported	O
in	O
the	O
releases	O
.	O
</s>
<s>
Image	O
Codec	O
Module	O
Simple	O
Image	O
Loading	O
LibrarY	B-Library
(	O
SILLY	O
)	O
Default	O
image	O
codec	O
,	O
which	O
is	O
based	O
on	O
the	O
SILLY	O
library	B-Library
.	O
</s>
<s>
DevIL	O
Image	O
codec	O
based	O
on	O
the	O
DevIL	O
library	B-Library
.	O
</s>
<s>
FreeImage	O
Image	O
codec	O
based	O
on	O
the	O
FreeImage	O
library	B-Library
.	O
</s>
<s>
OGRE	B-Application
Image	O
codec	O
that	O
loads	O
data	O
via	O
image	O
loading	O
facilities	O
of	O
OGRE	B-Application
.	O
</s>
<s>
Resource	O
Provider	O
Module	O
Default	O
The	O
internal	O
resource	O
provider	O
of	O
CEGUI	B-Language
can	O
be	O
used	O
without	O
requiring	O
an	O
extra	O
module	O
.	O
</s>
<s>
OGRE	B-Application
Ogre	B-Application
users	O
can	O
use	O
CEGUI	B-Language
's	O
Ogre	B-Application
ResourceManager	O
.	O
</s>
<s>
This	O
way	O
the	O
resource	O
locations	O
of	O
CEGUI	B-Language
can	O
be	O
specified	O
in	O
the	O
same	O
way	O
as	O
it	O
is	O
done	O
for	O
the	O
Ogre	B-Application
resources	O
already	O
.	O
</s>
<s>
minizip	O
CEGUI	B-Language
's	O
MinizipResourceProvider	O
allows	O
providing	O
the	O
ability	O
to	O
load	O
resource	O
files	O
from	O
locations	O
within	O
.zip	O
files	O
.	O
</s>
<s>
XML	O
Parser	O
Module	O
Expat	B-Language
Default	O
XML	O
parser	O
of	O
CEGUI	B-Language
.	O
</s>
<s>
Uses	O
the	O
Expat	B-Language
library	B-Library
for	O
XML	O
parsing	O
.	O
</s>
<s>
LibXML2	B-Application
Uses	O
the	O
LibXML2	B-Application
library	B-Library
for	O
XML	O
parsing	O
.	O
</s>
<s>
RapidXml	O
Uses	O
the	O
RapidXml	O
library	B-Library
for	O
XML	O
parsing	O
.	O
</s>
<s>
TinyXML	B-Application
Uses	O
the	O
TinyXML	B-Application
library	B-Library
for	O
XML	O
parsing	O
.	O
</s>
<s>
Xerces-C	O
++	O
Uses	O
the	O
Xerces-C	O
++	O
library	B-Library
for	O
XML	O
parsing	O
.	O
</s>
<s>
It	O
can	O
validate	O
schemas	O
using	O
the	O
.xsd	O
files	O
provided	O
in	O
CEGUI	B-Language
's	O
resources	O
.	O
</s>
<s>
Font	O
Module	O
FreeType	B-Application
FreeType	B-Application
is	O
the	O
default	O
font	O
library	B-Library
of	O
CEGUI	B-Language
and	O
currently	O
the	O
only	O
officially	O
supported	O
one	O
.	O
</s>
<s>
Regular	O
Expression	O
Module	O
Perl	B-Language
Compatible	I-Language
Regular	I-Language
Expressions	I-Language
(	O
PCRE	B-Language
)	O
Default	O
regular	O
expression	O
library	B-Library
and	O
currently	O
the	O
only	O
officially	O
supported	O
one	O
.	O
</s>
<s>
Uses	O
PCRE	B-Language
.	O
</s>
<s>
Scripting	O
Module	O
Lua	B-Language
Provides	O
lua	B-Language
bindings	O
using	O
tolua++	O
.	O
</s>
<s>
Python	B-Language
Official	O
Python	B-Language
bindings	O
are	O
available	O
using	O
PyCEGUI	O
Memory	O
Management	O
OGRE	B-Application
Ogre	B-Application
's	O
memory	O
allocator	O
can	O
optionally	O
be	O
used	O
for	O
CEGUI	B-Language
's	O
memory	O
management	O
.	O
</s>
<s>
Bi-Directional	O
Language	O
Module	O
MiniBIDI	O
MiniBIDI	O
based	O
implementation	O
of	O
CEGUI	B-Language
's	O
Bidi	O
visual	O
mapping	O
.	O
</s>
<s>
FriBIDI	O
FriBIDI	O
based	O
implementation	O
of	O
CEGUI	B-Language
's	O
Bidi	O
visual	O
mapping	O
.	O
</s>
<s>
The	O
Ogre3D	O
library	B-Library
used	O
to	O
depend	O
on	O
the	O
CEGUI	B-Language
library	B-Library
for	O
its	O
UI	O
but	O
Ogre3D	O
has	O
since	O
changed	O
to	O
include	O
its	O
own	O
UI	O
solution	O
,	O
which	O
is	O
slimmer	O
but	O
also	O
provides	O
less	O
functionality	O
.	O
</s>
