HP L 5 manual Raster Graphics Command Sequence, Well-Behaved Raster Command Sequence

Raster Graphics Command Sequence

PCL raster commands include: Start Raster Graphics and End Raster Graphics commands, Transfer Raster Data by Plane and 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.

Well-Behaved Raster Command Sequence

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

6-6 Raster Graphics EN