XLIB FUNCTIONS XEmptyRegion(3x11)
NAME
XEmptyRegion, XEqualRegion, XPointInRegion, XRectInRegion -
determine if regions are empty or equal SYNTAXcc [ flag... ] file... -lX11 [ library... ]
Bool XEmptyRegion(Region r);Bool XEqualRegion(Region r1, Region r2);
Bool XPointInRegion(Region r, int x, int y); int XRectInRegion(Region r, int x, int y, unsigned int width, unsigned int 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 thepoint 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 rec-
tangle 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.SEE ALSO
XCreateRegion(3x11), XIntersectRegion(3x11)Xlib - C Language X Interface
X Version 11 Last change: libX11 1.3.5 1 XLIB FUNCTIONS XEmptyRegion(3x11)ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Availability | x11/library/libx11 ||_____________________________|_____________________________|
| Interface Stability | Committed ||_____________________________|_____________________________|
| MT-Level | See XInitThreads(3X11) |
|_____________________________|_____________________________|
X Version 11 Last change: libX11 1.3.5 2