xpolygonregion(3x)
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(3X11), XDrawPoint(3X11), XDrawRectangle(3X11)
Xlib - C Language X Interface