Esc . Print Raster Graphics. (Epson) - Compuprint MDP 30FB Programmer's Manual

ESC .
Print Raster Graphics. (EPSON)
ASCII Code
Hexadecimal Value
Decimal Value
Range
This command prints dot graphics in raster format (row by row, left to right) and can
be used only during graphics mode entered by sending the ESC ( G command. It
allows compression of graphics data during raster graphics printing.
The parameters are used as described below:
c
equal to
equal to 1 specifies compressed mode
v vertical dot density (v/3600 dpi)
h
horizontal density (h/3600 dpi)
m vertical dot count (rows of dot graphics)
n , n horizontal dot count (columns of dot graphics), according to the following formula:
1 2
n = INT
2
n = MOD
1
ESC . c v h m n
1
1B 2E c v h m n n
1
27 46 c v h m n n
1
c = 0,1
v = 10, 20
h = 10, 20
0 < m < 24
0 < n
< 255
1
0 < n
< 127
2
0 < d < 255
0 specifies full
(horizontal dot count)
256
(horizontal dot count)
256
75
n d d ... d
2 1 2 k
d d ... d
2 1 2 k
d d ... d
2 1 2 k
graphics mode (no compressed)