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Color Vector Graphics (HP-GL/2)Color Vector Graphics (HP-GL/2)
Introduction The process involved in using HP-GL/2 with the Color
LaserJet or DeskJet 1200C color printers is nearly identical
with using HP-GL/2 on other color printers or plotters.
However, these two color printers add a few HP-GL/2
commands and expand the functionality of some existing
commands. This chapter describes these commands and
other pertinent points to keep in mind when using HP-GL/2
with these color printers.
The new or modified HP-GL/2 commands explained in this
chapter include the following: The Merge Control (MC)
command, which functions in a similar way to the PCL
logical operation command. The Pen Color (PC) command,
which modifies palette colors, the Number of Pens (NP)
command, which changes the palette size, the Color Range
(CR) command, which sets the range for specifying relative
color data, and the Pixel Placement (PP) command, which
determines how pixels are rendered in HP-GL/2 polygons.
In general, when using HP-GL/2 on the Color LaserJet and
DeskJet 1200C color printers, keep in mind that:
Palette information stays the same when switching
between PCL 5 and HP-GL/2.
The HP-GL/2 Initialize (IN) command sets the palette to
the default eight-pen palette, and also resets the ROP
code (see the MC command section later in this chapter)
and the pixel placement command.
As with color plotters, to specify a particular color, you
use the SP (Select Pen) command.
If you are not familiar with using HP-GL/2, see the PCL 5
Printer Language Technical Reference Manual.