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Sending and ending raster graphics
Graphicsprintingis independentof textmarginboundaries,includingthe
perforationskipregion.Itisbnlylimitedby theprintableareaandthepage
length.
Totransferraslergraphicsyousendthiscommandatthebeginningofeach
lineof rasterdata:
<ESC>*b n W
Forn youenterthenumberof bytesofgraphicsdatato followon thisline.
ThedatamustfollowimmediatelyaftertheWin thiscommand.
Databytesarcinterpretedasonclineofrastergraphicsdata(onedatarow).
Eachbyteismadeupof eightbits.Thebitsof rastergraphicsdata(1‘sand
O’s)yousendto theprinterdescribesingledotstobe printed:a 1indicates
youwanta dotprinted,anda Oindicatesyoudo notwanta dotprinted.
Usethe followingcommandto cnd rastergraphics:
<ESC>*r B
Afterendinggraphicsyoucan thensendtextto mergewithit.
Rules and patterns
Patternsandlinesareeaseto do.
Print shopscall lines of any thicknessrules. A printedline in fact is a
rectangularareawithone“skinny”dimension,fromonctomanydotsthick.
Wewillusctheword“IUICS”too,to avoidconfusionwiththelinesusedto
measurepages.
Youfollowthesethreestepswhenyouuse ruleandpatterngraphics:
1) Definethedimensionsyouneed.
2) Choosethe graphicspatternyou wantto till in thosedimen-
sions.
3) Printthepattcm.
Rcmcmberto sendthefollowingruleor patterncommandsin
thatorder.
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