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 XIntersectRegion __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
144 XIntersectRegion, XUnionRegion, XUnionRectWithRegion, XSubtractRegion, XXorRegion, XOffsetRegion, XShrinkRegion \- region arithmetic
147 int XIntersectRegion\^(\^Region \fIsra\fP\^, Region \fIsrb\fP\^, Region
150 int XUnionRegion\^(\^Region \fIsra\fP\^, Region \fIsrb\fP\^, Region
153 int XUnionRectWithRegion\^(\^XRectangle *\fIrectangle\fP\^, Region
154 \fIsrc_region\fP\^, Region \fIdest_region_return\fP\^);
156 int XSubtractRegion\^(\^Region \fIsra\fP\^, Region \fIsrb\fP\^, Region
159 int XXorRegion\^(\^Region \fIsra\fP\^, Region \fIsrb\fP\^, Region
162 int XOffsetRegion\^(\^Region \fIr\fP\^, int \fIdx\fP\^, int \fIdy\fP\^);
164 int XShrinkRegion\^(\^Region \fIr\fP\^, int \fIdx\fP\^, int \fIdy\fP\^);
166 .IP \fIdest_region_return\fP 1i
167 Returns the destination region.
168 .IP \fIdr_return\fP 1i
169 Returns the result of the computation.
175 Specify the x and y coordinates,
176 which define the amount you want to \*(Dy the specified region.
178 Specifies the region.
179 .IP \fIrectangle\fP 1i
180 Specifies the rectangle.
185 Specify the two regions with which you want to perform the computation.
186 .IP \fIsrc_region\fP 1i
187 Specifies the source region to be used.
191 function computes the intersection of two regions.
195 function computes the union of two regions.
198 .ZN XUnionRectWithRegion
199 function updates the destination region from a union of the specified rectangle
200 and the specified source region.
204 function subtracts srb from sra and stores the results in dr_return.
208 function calculates the difference between the union and intersection
213 function moves the specified region by a specified amount.
217 function reduces the specified region by a specified amount.
218 Positive values shrink the size of the region,
219 and negative values expand the region.
221 XCreateRegion(__libmansuffix__),
222 XDrawRectangle(__libmansuffix__),
223 XEmptyRegion(__libmansuffix__)