ImageGear for C and C++ on Windows v19.5 - Updated
enumIGTWAINFilterType
API Reference Guide > TWAIN Component API Reference > TWAIN Component Enumerations > enumIGTWAINFilterType

This enumeration determines the color characteristic of the subtractive filter applied to the image data.

Values:

IG_TW_FT_BLACK Black filter.
IG_TW_FT_BLUE Blue filter.
IG_TW_FT_CYAN Cyan filter.
IG_TW_FT_GREEN Green filter.
IG_TW_FT_MAGENTA Magenta filter.
IG_TW_FT_NONE No filter.
IG_TW_FT_RED Red filter.
IG_TW_FT_WHITE White filter.
IG_TW_FT_YELLOW Yellow filter.