<s>
Barco	B-Protocol
ColorTone	I-Protocol
was	O
a	O
stripped-down	O
version	O
of	O
the	O
Barco	B-Protocol
Creator	I-Protocol
image	O
manipulation	O
program	O
.	O
</s>
<s>
It	O
was	O
originally	O
developed	O
for	O
IRIX	B-Operating_System
,	O
and	O
only	O
featured	O
the	O
base	O
"	O
CT-Brix	O
"	O
,	O
brush	O
and	O
colour	O
correction	O
modules	O
.	O
</s>
<s>
Later	O
it	O
was	O
ported	O
as	O
a	O
standalone	O
program	O
to	O
Windows	B-Device
NT	I-Device
.	O
</s>
