ImageGear for C and C++ on Linux v20.0 - Updated
API Reference Guide > Core Component API Reference > Core Component Enumerations Reference > enumControlNRAOpt

Specifies attributes of non-rectangular ROI associated with an image.


IG_CONTROL_NR_ROI_DIB The value specified is a DIB to be used as a mask HIGEAR for the image.
IG_CONTROL_NR_ROI_REFERENCE_POINT The value specified is a position within the HIGEAR image at which the upper-left corner of the masking HIGEAR should be placed.
IG_CONTROL_NR_ROI_CONDITION The value specified indicates whether or not ImageGear should override the AT_RECT argument passed to its API. If TRUE then NRA ROI is used, otherwise the rectangular ROI is in effect.
IG_CONTROL_NR_ROI_REFERENCE_POINT_LEFT The parameter specified is a mask reference point x component.
IG_CONTROL_NR_ROI_REFERENCE_POINT_TOP The parameter specified is a mask reference point y component.
IG_CONTROL_NR_ROI_VALIDATE The value returned specifies whether there is a valid mask associated with image.


See IG_IP_NR_ROI_control_set description for more information.

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