ImageGear for C and C++ on Windows v19.1 - Updated
enumIGTWAINBitDepthReduction
API Reference Guide > TWAIN Component API Reference > TWAIN Component Enumerations > enumIGTWAINBitDepthReduction

This enumeration specifies the Reduction Method the Source should use to reduce the bit depth of the data.

Values:

IG_TW_BR_CUSTHALFTONE Custom Halftone method.
IG_TW_BR_DIFFUSION Diffusion method.
IG_TW_BR_HALFTONE Halftone method.
IG_TW_BR_THRESHOLD Threshold method.