1 .\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
3 .\" Permission is hereby granted, free of charge, to any person obtaining
4 .\" a copy of this software and associated documentation files (the
5 .\" "Software"), to deal in the Software without restriction, including
6 .\" without limitation the rights to use, copy, modify, merge, publish,
7 .\" distribute, sublicense, and/or sell copies of the Software, and to
8 .\" permit persons to whom the Software is furnished to do so, subject to
9 .\" the following conditions:
11 .\" The above copyright notice and this permission notice shall be included
12 .\" in all copies or substantial portions of the Software.
14 .\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 .\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 .\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 .\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 .\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 .\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 .\" OTHER DEALINGS IN THE SOFTWARE.
22 .\" Except as contained in this notice, the name of the X Consortium shall
23 .\" not be used in advertising or otherwise to promote the sale, use or
24 .\" other dealings in this Software without prior written authorization
25 .\" from the X Consortium.
27 .\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
28 .\" Digital Equipment Corporation
30 .\" Portions Copyright \(co 1990, 1991 by
33 .\" Permission to use, copy, modify and distribute this documentation for
34 .\" any purpose and without fee is hereby granted, provided that the above
35 .\" copyright notice appears in all copies and that both that copyright notice
36 .\" and this permission notice appear in all copies, and that the names of
37 .\" Digital and Tektronix not be used in in advertising or publicity pertaining
38 .\" to this documentation without specific, written prior permission.
39 .\" Digital and Tektronix makes no representations about the suitability
40 .\" of this documentation for any purpose.
41 .\" It is provided ``as is'' without express or implied warranty.
44 .ds xT X Toolkit Intrinsics \- C Language Interface
45 .ds xW Athena X Widgets \- C Language X Toolkit Interface
46 .ds xL Xlib \- C Language X Interface
47 .ds xC Inter-Client Communication Conventions Manual
54 .\".if \\n(VS>=40 .vs \\n(VSu
55 .\".if \\n(VS<=39 .vs \\n(VSp
78 .de IN \" send an index entry to the stderr
85 .\" choose appropriate monospace font
86 .\" the imagen conditional, 480,
87 .\" may be changed to L if LB is too
88 .\" heavy for your eyes...
90 .ie "\\*(.T"480" .ft L
91 .el .ie "\\*(.T"300" .ft L
92 .el .ie "\\*(.T"202" .ft PO
93 .el .ie "\\*(.T"aps" .ft CW
96 .ie \\n(VS>40 .vs \\n(VSu
104 .ie t \\$1\fB\^\\$2\^\fR\\$3
105 .el \\$1\fI\^\\$2\^\fP\\$3
108 .ie t \fB\^\\$1\^\fR\\$2
109 .el \fI\^\\$1\^\fP\\$2
112 .ie t <\fB\\$1\fR>\\$2
118 .if \\n(.$>$1 .if !'\\$2'C' .ds NO \\$2
119 .if \\n(.$ .if !'\\$1'C' .ds NO \\$1
133 . \" Note End -- doug kraft 3/85
142 .TH XEmptyRegion __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
144 XEmptyRegion, XEqualRegion, XPointInRegion, XRectInRegion \- determine if regions are empty or equal
147 Bool XEmptyRegion\^(\^Region \fIr\fP\^);
149 Bool XEqualRegion\^(\^Region \fIr1\fP\^, Region \fIr2\fP\^);
151 Bool XPointInRegion\^(\^Region \fIr\fP\^, int \fIx\fP\^, int \fIy\fP\^);
153 int XRectInRegion\^(\^Region \fIr\fP\^, int \fIx\fP\^, int \fIy\fP\^, unsigned
154 int \fIwidth\fP\^, unsigned int \fIheight\fP\^);
157 Specifies the region.
162 Specify the two regions.
163 .ds Wh , which define the rectangle
168 Specify the width and height\*(Wh.
169 .ds Xy , which define the point \
170 or the coordinates of the upper-left corner of the rectangle
175 Specify the x and y coordinates\*(Xy.
181 if the region is empty.
187 if the two regions have the same offset, size, and shape.
193 if the point (x, y) is contained in the region r.
199 if the rectangle is entirely in the specified region,
201 if the rectangle is entirely out of the specified region,
204 if the rectangle is partially in the specified region.
206 XCreateRegion(__libmansuffix__),
207 XIntersectRegion(__libmansuffix__)