<s>
MacDraw	B-Operating_System
is	O
a	O
discontinued	O
vector	O
graphics	O
drawing	O
application	B-Application
released	O
along	O
with	O
the	O
first	O
Apple	B-Device
Macintosh	I-Device
systems	O
in	O
1984	O
.	O
</s>
<s>
MacDraw	B-Operating_System
was	O
one	O
of	O
the	O
first	O
WYSIWYG	B-Application
drawing	O
programs	O
that	O
could	O
be	O
used	O
in	O
collaboration	O
with	O
MacWrite	B-Operating_System
.	O
</s>
<s>
It	O
was	O
eventually	O
adapted	O
by	O
Claris	O
and	O
,	O
in	O
the	O
early	O
1990s	O
,	O
MacDraw	B-Operating_System
Pro	I-Operating_System
was	O
released	O
with	O
color	O
support	O
.	O
</s>
<s>
MacDraw	B-Operating_System
was	O
the	O
vector	O
cousin	O
of	O
MacPaint	B-Operating_System
.	O
</s>
<s>
In	O
the	O
preface	O
of	O
the	O
third	O
edition	O
of	O
Introduction	O
to	O
Algorithms	O
,	O
the	O
authors	O
make	O
an	O
emphatic	O
plea	O
for	O
the	O
creation	O
of	O
an	O
OS	O
X-compatible	O
version	O
of	O
MacDraw	B-Operating_System
Pro	I-Operating_System
.	O
</s>
<s>
MacDraw	B-Operating_System
was	O
based	O
on	O
Apple	O
's	O
earlier	O
program	O
,	O
LisaDraw	O
,	O
which	O
was	O
developed	O
for	O
the	O
Apple	B-Device
Lisa	I-Device
computer	O
which	O
was	O
released	O
in	O
1983	O
.	O
</s>
<s>
LisaDraw	O
and	O
MacDraw	B-Operating_System
were	O
developed	O
by	O
the	O
same	O
person	O
,	O
Mark	O
Cutter	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
MacDraw	B-Operating_System
was	O
similar	O
to	O
that	O
of	O
MacPaint	B-Operating_System
,	O
featuring	O
both	O
the	O
same	O
tools	O
and	O
patterns	O
.	O
</s>
<s>
However	O
MacDraw	B-Operating_System
is	O
vector-based	O
,	O
meaning	O
that	O
an	O
object	O
's	O
properties	O
and	O
placement	O
can	O
be	O
changed	O
at	O
any	O
time	O
.	O
</s>
<s>
MacDraw	B-Operating_System
includes	O
features	O
for	O
printing	O
and	O
also	O
integrates	O
with	O
MacWrite	B-Operating_System
via	O
cut-and-paste	O
.	O
</s>
<s>
MacDraw	B-Operating_System
is	O
more	O
advanced	O
than	O
MacPaint	B-Operating_System
,	O
featuring	O
a	O
grid	O
and	O
the	O
ability	O
to	O
change	O
the	O
drawing	O
dimensions	O
.	O
</s>
<s>
However	O
MacDraw	B-Operating_System
lacks	O
support	O
for	O
using	O
more	O
than	O
one	O
document	O
at	O
a	O
time	O
and	O
also	O
lacks	O
zooming	O
capabilities	O
.	O
</s>
<s>
MacDraw	B-Operating_System
is	O
especially	O
useful	O
in	O
drawing	O
flowcharts	B-Language
,	O
diagrams	O
and	O
technical	B-Application
drawings	I-Application
.	O
</s>
<s>
MacDraw	B-Operating_System
II	I-Operating_System
(	O
1988	O
)	O
was	O
a	O
complete	O
rewrite	O
of	O
the	O
original	O
MacDraw	B-Operating_System
.	O
</s>
<s>
MacDraw	B-Operating_System
II	I-Operating_System
introduced	O
color	O
and	O
many	O
other	O
missing	O
features	O
and	O
was	O
also	O
enhanced	O
for	O
the	O
Macintosh	B-Device
II	I-Device
.	O
</s>
<s>
MacDraw	B-Operating_System
eventually	O
evolved	O
into	O
MacDraw	B-Operating_System
Pro	I-Operating_System
(	O
1991	O
)	O
and	O
ultimately	O
ClarisDraw	O
(	O
1993	O
)	O
.	O
</s>
<s>
It	O
runs	O
without	O
difficulties	O
on	O
PowerPC-based	O
Macs	B-Device
under	O
Classic	B-Application
Mac	I-Application
OS	I-Application
and	O
the	O
Mac	B-Application
OS	I-Application
X	O
Classic	O
Environment	O
(	O
but	O
Mac	B-Application
OS	I-Application
X	I-Application
10.5	I-Application
Leopard	I-Application
dropped	O
support	O
for	O
the	O
Classic	O
Environment	O
)	O
.	O
</s>
<s>
Dekorra	O
Optics	O
have	O
a	O
version	O
of	O
their	O
EazyDraw	B-Operating_System
software	O
,	O
EazyDraw	B-Operating_System
Retro	O
,	O
that	O
can	O
open	O
documents	O
produced	O
by	O
the	O
various	O
incarnations	O
of	O
MacDraw	B-Operating_System
,	O
including	O
ClarisDraw	O
.	O
</s>
<s>
Later	O
versions	O
of	O
Libreoffice	O
support	O
MacDraw	B-Operating_System
files	O
as	O
well	O
,	O
but	O
only	O
if	O
the	O
file	O
type	O
'	O
Legacy	O
Mac	B-Device
Drawing	O
 '	O
is	O
manually	O
selected	O
.	O
</s>
