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2006/05/31
CHAPTER 2 "PCL" - 55
• The Font descriptor has information for the whole character set. When this font descriptor is sent to the
printer with a font header to identify the font ID, the descriptor parameters become the basis of the
downloaded fonts.
• The data format for each type of font descriptor block is shown below.
<Bitmap font>
B
y
t
e
15
(
M
S
B
)
8
7
(
L
S
B
)
0
0 F
o
nt D
esc
ri
p
t
o
r
S
iz
e
(
64
)
2 D
esc
ri
p
t
o
r F
o
rmat
(
0
)
F
o
nt T
ype
4
S
t
y
l
e
M
S
BR
ese
r
ved
6 Ba
se
Lin
e
P
os
iti
o
n
8
Ce
ll
W
i
d
th
10
Ce
ll H
e
i
g
h
t
12
O
ri
e
ntati
o
n
Sp
a
c
in
g
14
Sy
m
bo
l
Set
16 Pit
c
h
(
D
e
fa
u
lt HMI
)
18 H
e
i
g
h
t
20 x-H
e
i
g
h
t
22
W
i
d
th T
ype
S
t
y
l
e
L
S
B
24
S
tr
o
k
e
We
i
g
h
t
T
ype
fa
ce
L
S
B
26 T
ype
fa
ce
M
S
B
Se
rif
S
t
y
l
e
28
Qu
alit
y
Pla
ce
m
e
n
t
30
U
n
de
rlin
e
Di
s
tan
ce
U
n
de
rlin
e
H
e
i
g
h
t
32 T
e
xt H
e
i
g
h
t
34 T
e
xt
W
i
d
th
36 Fir
s
t
Code
38 La
s
t
Code
40 Pit
c
h Ext
e
n
ded
H
e
i
g
ht Ext
e
n
ded
42
C
a
p
H
e
i
g
h
t
44 - 4
7
F
o
nt N
u
m
ber
48 - 63 F
o
nt Nam
e
6
4
Copy
ri
g
h
t
(opt
i
o
n
a
l
)
<Special Bitmap font>
B
y
t
e
15
(
M
S
B
)
8
7
(
L
S
B
)
0
0 F
o
nt D
esc
ri
p
t
o
r
S
iz
e
(
68
)
2 D
esc
ri
p
t
o
r F
o
rmat
(
20
)
F
o
nt T
ype
4
S
t
y
l
e
M
S
BR
ese
r
ved
6 Ba
se
Lin
e
P
os
iti
o
n
8
Ce
ll
W
i
d
th
10
Ce
ll H
e
i
g
h
t
12
O
ri
e
ntati
o
n
Sp
a
c
in
g
14
Sy
m
bo
l
Set
16 Pit
c
h
(
D
e
fa
u
lt HMI
)
18 H
e
i
g
h
t
20 x-H
e
i
g
h
t
22
W
i
d
th T
ype
S
t
y
l
e
L
S
B
24
S
tr
o
k
e
We
i
g
h
t
T
ype
fa
ce
L
S
B
26 T
ype
fa
ce
M
S
B
Se
rif
S
t
y
l
e
28
Qu
alit
y
Pla
ce
m
e
n
t
30
U
n
de
rlin
e
Di
s
tan
ce
U
n
de
rlin
e
H
e
i
g
h
t
32 T
e
xt H
e
i
g
h
t
34 T
e
xt
W
i
d
th
36 Fir
s
t
Code
38 La
s
t
Code
40 Pit
c
h Ext
e
n
ded
H
e
i
g
ht Ext
e
n
ded
42
C
a
p
H
e
i
g
h
t
44 - 4
7
F
o
nt N
u
m
ber
48 - 63 F
o
nt Nam
e
64 X R
eso
l
u
ti
o
n
66 Y R
eso
l
u
ti
o
n X=Y
:
300
o
r 600
n
Copy
ri
g
h
t
(Opt
i
o
n
a
l
)