IsEmptyRegion
Determines if a region is empty.
Declaration
ibool NAPI GA_regionFuncs::IsEmptyRegion(
const GA_region *r)
Prototype In
snap/graphics.h
Parameters
r |
region to test |
Return Value
True if region is empty, false if not.
Description
Determines if a region is empty or not. A region is defined as being empty if the bounding rectangle's right coordinate is less than or equal to the left coordinate, or if the bottom coordinate is less than or equal to the top coordinate.
See Also
IsEqualRegion, UnionRegion, DiffRegion, SectRegion, OffsetRegion, PtInRegion
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