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XES COMMAND LANGUAGE MODE
These three types of graphics must be created within the
boundaries of a graphic window. (Graphic images that have been
digitised into font characters, such as logos or signatures, do not
require a graphic window.)
Note: There may be a minor difference in appearance of
complex graphics on the 4045 laser printer and the 4213 laser
printer.
Raster graphics
Raster graphics are images made up of binary bit maps (0s and
1s) loaded from the host into the graphic window. When the
printer receives the bitmap into the window, it prints a pixel on
the page for each binary 1 and leaves the pixel blank for each
binary 0 (see figure 2-18).
For the printer to receive the bitmap data and interpret it
correctly, the data must be sixel-encoded. Refer to the
procedure for sixel encoding in appendix C.
Raster graphic data is the default. Unless you select vector or
macro graphics with the graphics commands, the printer
automatically initialises the window for raster data. If you create a
graphics file for raster data, you can add commands for vector
graphics at the end of the file.
Figure 2-18. Raster data
2-78 XEROX 4213 LASER PRINTER PROGRAMMER REFERENCE