All Manuals > CAPI User Guide and Reference Manual > 21 CAPI Reference Entries

printer-port-supports-p Function

Summary

Detects if the printer port can support a certain feature.

Package

capi

Signature

printer-port-supports-p feature &optional port => supportedp, validp

Arguments
feature
A keyword.
port
A printer port.
Values
supportedp
A boolean.
validp
A boolean.
Description

The function printer-port-supports-p detects if the printer port can support the feature named by feature.

If port is passed it should be the value bound to var in with-print-job. If port is not supplied it defaults to the current printer port (dynamically bound within with-print-job).

supportedp indicates if the feature is supported.

validp indicates if the feature was recognized.

Currently the only value of feature that is recognized is :postscript and supportedp is true if the printer supports PostScript.

See also

with-print-job
16 Printing from the CAPI—the Hardcopy API


CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:32:42