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

This enumeration specifies types of extra channels (Unknown, Mask or Spot).

Values:

IG_EXTRA_CHANNEL_TYPE_Unknown Unknown extra channel.
IG_EXTRA_CHANNEL_TYPE_Mask Alpha mask channel.
IG_EXTRA_CHANNEL_TYPE_Spot Spot color channel.