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download PDF document: XPolygonRegion.3.pdf

XPolygonRegion(3) XLIB FUNCTIONS XPolygonRegion(3)
NAME XPolygonRegion, XClipBox - generate regions
SYNTAX Region XPolygonRegion(XPoint points[], int n, int fill_rule);
int XClipBox(Region r, XRectangle *rect_return);
ARGUMENTS fill_rule Specifies the fill-rule you want to set for the specified GC. You can pass EvenOddRule or WindingRule.
n Specifies the number of points in the polygon.
points Specifies an array of points.
r Specifies the region.
rect_return Returns the smallest enclosing rectangle.
DESCRIPTION The XPolygonRegion function returns a region for the polygon defined by the points array. For an explanation of fill_rule, see XCreateGC.
The XClipBox function returns the smallest rectangle enclosing the specified region.
SEE ALSO XCreateGC(3), XDrawPoint(3), XDrawRectangle(3) Xlib - C Language X Interface
X Version 11 libX11 1.8.7 XPolygonRegion(3)