NAME
XUnionRegion − compute the union of two regions.
Synopsis
XUnionRegion(sra, srb, dr_return)
Region sra, srb;
Region dr_return;
Arguments
sra
srbSpecify the two regions in which you want to perform the computation.
dr_returnReturns the result of the computation.
Description
XUnionRegion() computes the union of two regions and places the result in dr_return. The resulting region will contain all the area of both the source regions. For more information on regions, see Volume One, Chapter 6, Drawing Graphics and Text.
Structures
Region is a pointer to an opaque structure type.
See Also
XClipBox(), XCreateRegion(), XDestroyRegion(), XEmptyRegion(), XEqualRegion(), XIntersectRegion(), XOffsetRegion(), XPointInRegion(), XPolygonRegion(), XRectInRegion(), XSetRegion(), XShrinkRegion(), XSubtractRegion(), XUnionRectWithRegion(),
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