XUnionRegion() XUnionRegion()
Name
XUnionRegion - compute the union of two regions.
Synopsis
XUnionRegion(sra, srb, dr_return)
Region sra, srb;
Region dr_return;
Arguments
sra Specify the two regions in which you want to perform the computation.
srb
dr_return Returns 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(), XXorRegion().
Xlib - Regions XUnionRegion()