# xpointinregion(3x11) [ultrix man page]

```XEmptyRegion(3X11)						     MIT X11R4							XEmptyRegion(3X11)

Name
XEmptyRegion, XEqualRegion, XPointInRegion, XRectInRegion - determine if regions are empty or equal

Syntax
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
r	 Specifies the region.

r1
r2	 Specify the two regions.

width
height	 Specify the width and height, which define the rectangle.

x
y	 Specify the x and y coordinates, which define the point or the coordinates of the upper-left corner of the rectangle.

Description
The function returns if the region is empty.

The function returns if the two regions have the same offset, size, and shape.

The function returns if the point (x, y) is contained in the region r.

The function returns if the rectangle is entirely in the specified region, if the rectangle is entirely out of the specified region, and if
the rectangle is partially in the specified region.

XCreateRegion(3X11), XIntersectRegion(3X11)
X Window System: The Complete Reference, Second Edition, Robert W. Scheifler and James Gettys

XEmptyRegion(3X11)```

## Check Out this Related Man Page

```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 coordi-
nates, 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 contained 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 rectangle is partially in the specified region.

XCreateRegion(3X11), XIntersectRegion(3X11)

Xlib -- C Language X Interface

XEmptyRegion(3X11)```
Man Page

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