Complex Region Management Functions

These functions are members of the GA_regionFuncs group. The functions provide support for allocating, freeing, copying and performing arithmetic on complex regions. Complex regions are used by graphical user interface environments to provide complex visible region clipping support.

ClearRegion

CopyIntoRegion

CopyRegion

DiffRegion

DiffRegionRect

FreeRegion

IsEmptyRegion

IsEqualRegion

NewRectRegion

NewRegion

OffsetRegion

OptimizeRegion

PtInRegion

SectRegion

SectRegionRect

TraverseRegion

UnionRegion

UnionRegionOfs

UnionRegionRect

GA_isSimpleRegion

 

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