Epson DFX 8000, User Manual

Page: 154 / 346

Graphics
Printing taller
The next shows how several’ lines of graphics can be
formed into a figure taller than eight dots. It uses programming
techniques for producing textured or repetitive patterns.
In the following program, the lines inside each pair of FOR and
NEXT statements
indented so can see how the program
works; the spaces are not needed for the program to run.
WIDTH
FOR R-l TO 6
FOR X-l TO
NEXT
NEXT
If you the program,, you see bow it combines six print lines
into a
There are five basic steps that the program goes through to produce
this kind
1.
The computer is prevented from adding any extra characters by
the WIDTH statement (line 100).
2.
The line spacing is changed to
8/72
of an inch - the height of
the dot patterns used in the program (line
110).
3.
The program goes through the graphics commands the required
number of times (line
120
and 170).
4-16 Software
and Graphics