Table of Contents
Advertisement
I
<ESC>*rnlA
I
Start Raster Graphics
This command is used immediately before sending a raster
image to the printer. Parameter n1defines the starting po-
sition of the image:
Value
Starting Position
o
Left-most printable position
1
Current horizontal position
In both cases the current vertical position defines the dis-
tance of the printed image from the top of the page. You
can of course move the current print position before using
this command, in order to place the graphic image at the
desired location on the page.
If the current resolution and graphics left margin is correct,
this command is in fact unnecessary.
I
<ESC>*nlWn
21
Transfer Raster Graphics
This command sends one dot row of a graphics image to
the printer, with n1bytes of data contained in parameter
n2'
Each byte in n2contains eight bits, each reresenting the
value of one dot. A bit set to
1
indicates that the dot is
present. The eight bits are printed from left to right on the
page, with the most significant bit first.
I
<ESC>*rB
I
End Raster Graphics
This command indicates the end of the dot rows being
sent to the printer as part of a raster graphics image. The
printer is now ready to receive another sequence of raster
graphics commands.
The current print position is set to the bottom left-hand
corner of the graphics image just printed.
H-46
HP Emulation Mode
Advertisement
Table of Contents
