Datamax-ONeil A-Class, Руководство программиста

Страница: 171 / 334

Generating Label Formats
Class Series 2 Programmer’s Manual 157
Print head
Resolution (DPI)
Character size (dots)
Width Height
203 16-2817 16-2817
300 14-4163 16-4163
400 22-5550 22-5550
600 33-8325 33-8325
Table 8-9: Scalable Character Size Ranges

A scalable font cache must be allocated to print. Minimum cache size is 15. The
double byte fonts require five units of additional cache.
4: Bar Codes
Valid inputs for the bar code field b are letters: uppercase letters will print a human-
readable text below the bar code; lowercase letters will only print the bar code. For
example, entering a “p” in the b field selects the Postnet bar code. Because the
Postnet font does not provide human-readable data, the uppercase P is not valid.
Other bar codes without a human-readable counterpart include u (MaxiCode) and z
(PDF417) – for additional model-specific restrictions see Appendix F.
For module-based bar codes, field d is the narrow bar width in dots (bar code module
size). For consistent results in all rotations for bar codes of this type, field d and field
c must have the same value. For ratio-based bar codes field c is the wide bar width in
dots (the numerator); field d is the narrow bar width in dots (the denominator). See
Appendix G for specific bar code information and variations in record format field
usage.
The eee height field represents the bar code (symbol) height. The valid range (001 to
999) translates to bar heights ranging from .01 inch (.254 mm) to 9.99 inches (253.7
mm). For bar codes that require additional specified parameters, use the jj…j data
field as the location for these parameters. See the specific bar code for details in
Appendix G.
Field Valid Inputs Meaning
a
1, 2, 3 and 4 Rotation
b [bb]
A to Z and a to z (except P, u, v, z), or Wna where n is 1 to
9 and a is A to S and a to s. No n is an implied 1.
Bar Code
c
1 to 9, A to Z, and a to z Wide Bar
d
1 to 9, A to Z, and a to z Narrow Bar
(continued)