HP PCL/PJL reference (PCL 5 Printer Language) - Technical Reference Manual Part II

23-38 The Character Group EN
You define the parameters of run and rise as shown in the following
illustration:
Figure 23-21Rise and Run Parameters
With the DR command, the use of run and rise is somewhat different
than with DI. Run is expressed as a percentage of the horizontal
distance between P1 and P2; rise is expressed as a percentage
of the vertical distance between P1 and P2.
actual run = run parameter ÷ 100 × (P2
X
– P1
X
)
actual rise = rise parameter ÷ 100 × (P2
Y
– P1
Y
)