man XEmptyRegion (Fonctions bibliothèques) - determine if regions are empty or equal
NAME
XEmptyRegion, XEqualRegion, XPointInRegion, XRectInRegion - determine if regions are empty or equal
SYNTAX
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.
- x
-
- y
- Specify the x and y coordinates.
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.