enumIGISISScanType

These are all the possible values for the IG_ISIS_TAG_SCANTYPE tag.

Values:

IG_ISIS_SCANTYPE_AUTOMATIC	Scan from the ADF if pages are detected; otherwise, scan from the flatbed.
IG_ISIS_SCANTYPE_TRANSPARENCY	Scan from the transparency unit.
IG_ISIS_SCANTYPE_FLATBED	Scan from the flatbed.
IG_ISIS_SCANTYPE_FEEDER	Scan only the front side of the page (duplex scanner).
IG_ISIS_SCANTYPE_FRONTONLY	IG_ISIS_SCANTYPE_FEEDER
IG_ISIS_SCANTYPE_DUPLEX	Scan in duplex mode (duplex scanner), from the feeder.
IG_ISIS_SCANTYPE_FRONTBACK	IG_ISIS_SCANTYPE_DUPLEX
IG_ISIS_SCANTYPE_BACKFRONT	Scan in duplex mode, but return the back side of the page first (duplex scanner), from the feeder.
IG_ISIS_SCANTYPE_BACKONLY	Scan only the back side of the page (duplex scanner), from the feeder.