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⇒ EmptyRegion(3X) — DeltaWindows 1.3.3 Release 4 Version 4.3

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NAME

XEmptyRegion — determine if a region is empty. 

SYNOPSIS

Bool XEmptyRegion(r) Region r;

ARGUMENTS

rSpecifies the region to be checked. 

RETURNS

True if it’s empty, else False. 

DESCRIPTION

XEmptyRegion() will return True if the specified region is empty, or False otherwise. 

STRUCTURES

Region is a pointer to an opaque structure type. 

SEE ALSO

XClipBox(), XCreateRegion(), XDestroyRegion(), XEqualRegion(), XIntersectRegion(), XOffsetRegion(), XPointInRegion(), XPolygonRegion(), XRectInRegion(), XSetRegion(), XShrinkRegion(), XSubtractRegion(), XUnionRectWithRegion(), XUnionRegion(), XXorRegion(). 

Xlib Reference Manual

Typewritten Software • bear@typewritten.org • Edmonds, WA 98026