Bar Code Command Set
Area Position Field
Figure 22. Specifying the Bar Code Object Using the Bar Code
Byte 10 of the BCAP specifies the reference coordinate system. The reference
coordinate system for determining the top left corner of the bar code area can
be either the X,Y or the I,B coordinate system.
If byte 10 equals X
'00', the absolute I and B coordinates determine the top left
corner. BCAP bytes 4 and 5 specify the text inline coordinate. BCAP bytes 6
and 7 specify the text baseline coordinate.
If byte 10 equals X
'20', the absolute I and relative B coordinates determine the
top left corner. BCAP bytes 4 and 5 specify the text inline coordinate. BCAP
bytes 6 and 7 add to the last text baseline coordinate position prior to bar codes.
If byte 10 equals X
'40', the relative I and absolute B coordinates determine the
top left corner. BCAP bytes 4 and 5 add to the last text inline coordinate position
prior to bar codes. BCAP bytes 6 and 7 specify the text baseline coordinate.
If byte 10 equals X
'60', the relative I and B coordinates determine the top left
corner. BCAP bytes 4 and 5 add to the last text inline coordinate position prior
to bar codes. BCAP bytes 6 and 7 add to the last text baseline coordinate
position prior to bar codes.
If byte 10 equals X
'A0', the current logical page X and Y coordinates determine
the origin. When the object is within a page, BCAP bytes 4-7 specify the offset
from the X-coordinate and Y-coordinate origin specified in a previously received
LPP command (or from the printer default coordinates if no LPP command
received). When the object is within an overlay that is invoked using an LCC
command, BCAP bytes 4-7 specify the offset from the X
m
-coordinate and
Y
m
-coordinate origin. When the object is within an overlay that is invoked using
an IO command, BCAP bytes 4-7 specify the offset from the X-coordinate and
Y-coordinate origin specified in the IO command.
Chapter 3. IPDS Commands Reference 119
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