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

This enumeration specifies what bit depth an alpha channel should have.

Values:

IG_ALPHA_CREATE_1 1 Bit.
IG_ALPHA_CREATE_8 8 Bits.