NAME

XXorRegion − calculate the difference between the union and intersection of two regions. 

Synopsis

XXorRegion(sra, srb, dr_return)
Region sra, srb;
Region dr_return;

Arguments

sra

srbSpecify the two regions on which you want to perform the computation. 

dr_returnReturns the result of the computation. 

Description

intersection of two regions, and places it in dr_return.  Xor is short for "Exclusive OR", meaning that a pixel is included in dr_return if it is set in either sra or srb but not in both.  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(), XUnionRegion(). 

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