ImageGear for C and C++ on Windows v19.6 - Updated
enumROI_IS
API Reference Guide > Core Component API Reference > Core Component Enumerations Reference > enumROI_IS

Specifies the types of non-rectangular Region of Interest (ROI).

Values:

IG_ROI_IS_RECTANGLE The ROI is a rectangle.
IG_ROI_IS_ELLIPSE The ROI is an ellipse.
IG_ROI_IS_POLYGON The ROI is a polygon.

Remarks:

These modes are used with IG_IP_NR_ROI_to_HIGEAR_mask and describe what kind of non-rectangular ROI is passed in.