xfree86 man page for xemptyregion

Query: xemptyregion

OS: xfree86

Section: 3x11

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

XEmptyRegion(3X11)						  XLIB FUNCTIONS						XEmptyRegion(3X11)

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, which define the rectangle. or the coordinates of the upper-left corner of the rectangle x y Specify the x and y coordinates, which define the point.
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.
SEE ALSO
XCreateRegion(3X11), XIntersectRegion(3X11) Xlib - C Language X Interface XFree86 Version 4.7.0 XEmptyRegion(3X11)
Related Man Pages
xequalregion(3x11) - redhat
xemptyregion(3x11) - redhat
xemptyregion(3x11) - xfree86
xequalregion(3) - x11r4
xpointinregion(3x11) - osf1
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