XClipBox (3) - Linux Manuals

XClipBox: generate regions

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