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Man Pages


Manual Reference Pages  -  XRECTINREGION (3)

NAME

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

CONTENTS

Syntax
Arguments
Description

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(3), XIntersectRegion(3)
Xlib - C Language X Interface
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X Version 11 XEMPTYREGION (3) libX11 1.6.3

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