<s>
Calamus	B-Device
is	O
a	O
desktop	O
publishing	O
application	O
,	O
originally	O
built	O
for	O
the	O
Atari	B-Device
ST	I-Device
computer	O
.	O
</s>
<s>
It	O
is	O
also	O
able	O
to	O
run	O
under	O
a	O
built-in	O
and	O
transparent	O
Atari	O
emulator	O
on	O
Windows	O
,	O
or	O
on	O
other	O
platforms	O
such	O
as	O
Mac	O
OS	O
9	O
and	O
Mac	O
OS	O
X	O
,	O
using	O
any	O
available	O
TOS	B-Application
emulator	O
.	O
</s>
<s>
Calamus	B-Device
is	O
a	O
software	O
RIP	O
application	O
which	O
generates	O
high-quality	O
output	O
in	O
any	O
resolution	O
.	O
</s>
<s>
Calamus	B-Device
also	O
was	O
one	O
of	O
the	O
first	O
DTP	O
apps	O
to	O
support	O
real	O
virtual	O
objects	O
and	O
frames	O
,	O
nondestructive	O
vector	O
masks	O
,	O
and	O
editable	O
PS/PDF	O
import	O
.	O
</s>
<s>
Calamus	B-Device
was	O
ported	O
to	O
Windows	O
by	O
MGI	O
Software	O
and	O
was	O
released	O
as	O
Calamus	B-Device
95	O
.	O
</s>
<s>
In	O
March	O
2018	O
,	O
invers	O
Software	O
was	O
closed	O
,	O
and	O
sales	O
and	O
development	O
of	O
Calamus	B-Device
were	O
discontinued	O
,	O
although	O
the	O
official	O
website	O
is	O
still	O
functioning	O
as	O
of	O
2022	O
.	O
</s>
<s>
The	O
current	O
and	O
last	O
version	O
of	O
Calamus	B-Device
is	O
Calamus	B-Device
SL	O
2015	O
,	O
also	O
available	O
as	O
SLC	O
2015	O
(	O
complete	O
edition	O
with	O
all	O
additional	O
modules	O
)	O
and	O
LE	O
2015	O
(	O
lite	O
edition	O
with	O
restricted	O
number	O
of	O
modules	O
)	O
.	O
</s>
<s>
Calamus	B-Device
is	O
a	O
RIP	O
itself	O
and	O
handles	O
various	O
,	O
adjustable	O
raster	O
dot	O
sizes	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
Using	O
a	O
special	O
module	O
,	O
Calamus	B-Device
supports	O
dot	O
rasterization	O
(	O
using	O
the	O
term	O
Star	O
Screening	O
)	O
which	O
is	O
a	O
frequency	O
modulated	O
method	O
of	O
halftoning	O
(	O
Stochastic	O
screening	O
)	O
.	O
</s>
<s>
Rather	O
than	O
using	O
kerning	O
pairs	O
or	O
relying	O
on	O
simple	O
side-bearing	O
measurements	O
,	O
Calamus’	O
native	O
fonts	O
encode	O
left	O
and	O
right	O
bounds	O
for	O
each	O
character	O
at	O
eight	O
different	O
latitudes	O
.	O
</s>
<s>
The	O
alternative	O
is	O
to	O
use	O
optical	O
kerning	O
,	O
where	O
the	O
shapes	O
of	O
the	O
characters	O
are	O
analysed	O
to	O
determine	O
the	O
appropriate	O
distances	O
;	O
Calamus’	O
approach	O
might	O
be	O
regarded	O
as	O
a	O
simplification	O
of	O
that	O
,	O
working	O
with	O
a	O
low-resolution	O
version	O
of	O
the	O
final	O
character	O
.	O
</s>
