XEmptyRegion(3X11)XEmptyRegion(3X11)NAME
XEmptyRegion, XEqualRegion, XPointInRegion, XRectInRegion - determine
if regions are empty or equal
SYNOPSIS
Bool XEmptyRegion(r)
Region r;
Bool XEqualRegion(r1, r2)
Region r1, r2;
Bool XPointInRegion(r, x, y)
Region r;
int x, y;
int XRectInRegion(r, x, y, width, height)
Region r;
int x, y;
unsigned int width, height;
ARGUMENTS
Specifies the region. Specify the two regions. Specify the width and
height, which define the rectangle. Specify the x and y coordinates,
which define the point or the coordinates of the upper-left corner of
the rectangle.
DESCRIPTION
The XEmptyRegion function returns True if the region is empty.
The XEqualRegion function returns True if the two regions have the same
offset, size, and shape.
The XPointInRegion function returns True if the point (x, y) is con‐
tained in the region r.
The XRectInRegion function returns RectangleIn if the rectangle is
entirely in the specified region, RectangleOut if the rectangle is
entirely out of the specified region, and RectanglePart if the rectan‐
gle is partially in the specified region.
SEE ALSOXCreateRegion(3X11), XIntersectRegion(3X11)
Xlib -- C Language X Interface
XEmptyRegion(3X11)
