ImageGear for C and C++ on Windows v19.10 - Updated
enumIGTWAINPixelFlavor
API Reference Guide > TWAIN Component API Reference > TWAIN Component Enumerations > enumIGTWAINPixelFlavor

This enumeration correctly describes the sense of the pixel whose numeric value is zero (minimum data value).

Values:

IG_TW_PF_CHOCOLATE This pixel represents the darkest data value that can be generated by the device (the darkest available optical value may measure greater than 0).
IG_TW_PF_VANILLA This pixel represents the lightest data value that can be generated by the device (the lightest available optical value may measure greater than 0).