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10/10/03
CHAPTER 2 "PCL" - 51
•
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
te 15
(
MSB
)
8 7
(
LSB
)
0
0 Font Descri
p
tor Size
(
64
)
2 Descri
p
tor Format
(
0
)
Font T
yp
e
4 St
y
le MSB Reserved
6 Base Line Position
8 Cell Width
10 Cell Hei
g
ht
12 Orientation S
p
acin
g
14 S
y
mbol Set
16 Pitch
(
Default HMI
)
18 Hei
g
ht
20 x-Hei
g
ht
22 Width T
yp
e St
y
le LSB
24 Stroke Wei
g
ht T
yp
eface LSB
26 T
yp
eface MSB Serif St
y
le
28
Q
ualit
y
Placement
30 Underline Distance Underline Hei
g
ht
32 Text Hei
g
ht
34 Text Width
36 First Code
38 Last Code
40 Pitch Extended Hei
g
ht Extended
42 Ca
p
Hei
g
ht
44 - 47 Font Number
48 - 63 Font Name
64
Copy
ri
g
ht
(op
ti
o
nal
)
<Special Bitmap font>
B
y
te 15
(
MSB
)
8 7
(
LSB
)
0
0 Font Descri
p
tor Size
(
68
)
2 Descri
p
tor Format
(
20
)
Font T
yp
e
4 St
y
le MSB Reserved
6 Base Line Position
8 Cell Width
10 Cell Hei
g
ht
12 Orientation S
p
acin
g
14 S
y
mbol Set
16 Pitch
(
Default HMI
)
18 Hei
g
ht
20 x-Hei
g
ht
22 Width T
yp
e St
y
le LSB
24 Stroke Wei
g
ht T
yp
eface LSB
26 T
yp
eface MSB Serif St
y
le
28
Q
ualit
y
Placement
30 Underline Distance Underline Hei
g
ht
32 Text Hei
g
ht
34 Text Width
36 First Code
38 Last Code
40 Pitch Extended Hei
g
ht Extended
42 Ca
p
Hei
g
ht
44 - 47 Font Number
48 - 63 Font Name
64 X Resolution
66 Y Resolution X=Y: 300 or 600
n
Copy
ri
g
ht
(Op
ti
o
nal
)