XRectInRegion3
Determine if regions are empty or equal
Part of XEmptyRegion(3).
Usage
Bool XEmptyRegion(Region
r);
Bool XEqualRegion(Region
r1,
Region
r2);
Bool XPointInRegion(Region
r,
int
x,
int
y);
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.
Overview
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.
Releases
11 releases since Debian 4.0 (Etch); the text changed 10 times.