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

This enumeration specifies modes of image rotation.

Values:

IG_ROTATE_CLIP Clip the rotated image to keep the image bitmap the same size.
IG_ROTATE_EXPAND Expand the size of the bitmap if necessary to retain the entire rotated image.