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Raster Graphics
Command
Sequence
PCL raster commands include: Start Raster Graphics and
End Raster Graphics commands, Transfer Raster Data by
Row, Raster Compression, Raster Presentation, Raster
Resolution, Raster Height and Raster Width (which define
the raster area), and Raster Y Offset commands. For
printing well-behaved raster graphics, the normal sequence
of execution for these commands is shown below. Hewlett-
Packard strongly recommends that developers use this
command sequence in their applications.
Note Although the source raster height and width commands are
not necessary, they improve memory efficiency.
Raster Presentation
Raster Resolution
Raster Height
Raster Width
Start Raster Graphics
Y Offset
Raster Compression
Transfer Raster Data
…
Transfer Raster Data
Y Offset
Transfer Raster Data
…
Y Offset
Raster Compression
Transfer Raster Data
…
Raster Compression
Transfer Raster Data
End Raster Graphics
Raster Graphics 6-5Raster Graphics 6-5