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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
.\"
.\" Permission is hereby granted, free of charge, to any person obtaining
.\" a copy of this software and associated documentation files (the
.\" "Software"), to deal in the Software without restriction, including
.\" without limitation the rights to use, copy, modify, merge, publish,
.\" distribute, sublicense, and/or sell copies of the Software, and to
.\" permit persons to whom the Software is furnished to do so, subject to
.\" the following conditions:
.\"
.\" The above copyright notice and this permission notice shall be included
.\" in all copies or substantial portions of the Software.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
.\" OTHER DEALINGS IN THE SOFTWARE.
.\"
.\" Except as contained in this notice, the name of the X Consortium shall
.\" not be used in advertising or otherwise to promote the sale, use or
.\" other dealings in this Software without prior written authorization
.\" from the X Consortium.
.\"
.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
.\" Digital Equipment Corporation
.\"
.\" Portions Copyright \(co 1990, 1991 by
.\" Tektronix, Inc.
.\"
.\" Permission to use, copy, modify and distribute this documentation for
.\" any purpose and without fee is hereby granted, provided that the above
.\" copyright notice appears in all copies and that both that copyright notice
.\" and this permission notice appear in all copies, and that the names of
.\" Digital and Tektronix not be used in in advertising or publicity pertaining
.\" to this documentation without specific, written prior permission.
.\" Digital and Tektronix makes no representations about the suitability
.\" of this documentation for any purpose.
.\" It is provided ``as is'' without express or implied warranty.
.\" 
.\"
.ds xT X Toolkit Intrinsics \- C Language Interface
.ds xW Athena X Widgets \- C Language X Toolkit Interface
.ds xL Xlib \- C Language X Interface
.ds xC Inter-Client Communication Conventions Manual
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.TH XCopyArea __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
.SH NAME
XCopyArea, XCopyPlane \- copy areas
.SH SYNTAX
.HP
int XCopyArea\^(\^Display *\fIdisplay\fP\^, Drawable \fIsrc\fP\^, Drawable
\fIdest\fP\^, GC \fIgc\fP\^, int \fIsrc_x\fP\^, int \fIsrc_y\fP\^, unsigned
int \fIwidth\fP\^, unsigned \fIheight\fP\^, int \fIdest_x\fP\^, int
\fIdest_y\fP\^);
.HP
int XCopyPlane\^(\^Display *\fIdisplay\fP\^, Drawable \fIsrc\fP\^, Drawable
\fIdest\fP\^, GC \fIgc\fP\^, int \fIsrc_x\fP\^, int \fIsrc_y\fP\^, unsigned
\fIwidth\fP\^, int \fIheight\fP\^, int \fIdest_x\fP\^, int \fIdest_y\fP\^,
unsigned long \fIplane\fP\^); 
.SH ARGUMENTS
.ds Dx , which are relative to the origin of the destination rectangle \
and specify its upper-left corner
.IP \fIdest_x\fP 1i
.br
.ns
.IP \fIdest_y\fP 1i
Specify the x and y coordinates\*(Dx. 
.IP \fIdisplay\fP 1i
Specifies the connection to the X server.
.IP \fIgc\fP 1i
Specifies the GC.
.IP \fIplane\fP 1i
Specifies the bit plane.
You must set exactly one bit to 1.
.IP \fIsrc\fP 1i
.br
.ns
.IP \fIdest\fP 1i
Specify the source and destination rectangles to be combined. 
.IP \fIsrc_x\fP 1i
.br
.ns
.IP \fIsrc_y\fP 1i
Specify the x and y coordinates, 
which are relative to the origin of the source rectangle
and specify its upper-left corner.
.ds Wh , which are the dimensions of both the source and destination rectangles
.IP \fIwidth\fP 1i
.br
.ns
.IP \fIheight\fP 1i
Specify the width and height\*(Wh.
.SH DESCRIPTION
The
.ZN XCopyArea
function combines the specified rectangle of src with the specified rectangle 
of dest.
The drawables must have the same root and depth,
or a
.ZN BadMatch
error results.
.LP
If regions of the source rectangle are obscured and have not been
retained in backing store 
or if regions outside the boundaries of the source drawable are specified, 
those regions are not copied. 
Instead, the 
following occurs on all corresponding destination regions that are either
visible or are retained in backing store.  
If the destination is a window with a background other than 
.ZN None , 
corresponding regions
of the destination are tiled with that background
(with plane-mask of all ones and
.ZN GXcopy 
function).
Regardless of tiling or whether the destination is a window or a pixmap,
if graphics-exposures is 
.ZN True ,
then
.ZN GraphicsExpose
events for all corresponding destination regions are generated.
If graphics-exposures is 
.ZN True 
but no
.ZN GraphicsExpose
events are generated, a
.ZN NoExpose 
event is generated.
Note that by default graphics-exposures is
.ZN True
in new GCs.
.LP
This function uses these GC components: function, plane-mask, 
subwindow-mode, graphics-exposures, clip-x-origin,
clip-y-origin, and clip-mask.
.LP
.ZN XCopyArea
can generate
.ZN BadDrawable ,
.ZN BadGC ,
and
.ZN BadMatch 
errors.
.LP
The
.ZN XCopyPlane
function uses a single bit plane of the specified source rectangle
combined with the specified GC to modify the specified rectangle of dest.
The drawables must have the same root but need not have the same depth.
If the drawables do not have the same root, a
.ZN BadMatch
error results.
If plane does not have exactly one bit set to 1 and the value of plane
is not less than %2 sup n%, where \fIn\fP is the depth of src, a
.ZN BadValue
error results.
.LP
Effectively, 
.ZN XCopyPlane
forms a pixmap of the same depth as the rectangle of dest and with a
size specified by the source region. 
It uses the foreground/background pixels in the GC (foreground
everywhere the bit plane in src contains a bit set to 1,
background everywhere the bit plane in src contains a bit set to 0)
and the equivalent of a 
.ZN CopyArea
protocol request is performed with all the same exposure semantics.
This can also be thought of as using the specified region of the source 
bit plane as a stipple with a fill-style of
.ZN FillOpaqueStippled
for filling a rectangular area of the destination.
.LP
This function uses these GC components: function, plane-mask, foreground,
background, subwindow-mode, graphics-exposures, clip-x-origin, clip-y-origin,
and clip-mask.
.LP
.ZN XCopyPlane
can generate
.ZN BadDrawable ,
.ZN BadGC ,
.ZN BadMatch ,
and
.ZN BadValue 
errors.
.SH DIAGNOSTICS
.TP 1i
.ZN BadDrawable
A value for a Drawable argument does not name a defined Window or Pixmap.
.TP 1i
.ZN BadGC
A value for a GContext argument does not name a defined GContext.
.TP 1i
.ZN BadMatch
An
.ZN InputOnly
window is used as a Drawable.
.TP 1i
.ZN BadMatch
Some argument or pair of arguments has the correct type and range but fails
to match in some other way required by the request.
.TP 1i
.ZN BadValue
Some numeric value falls outside the range of values accepted by the request.
Unless a specific range is specified for an argument, the full range defined
by the argument's type is accepted.  Any argument defined as a set of
alternatives can generate this error.
.SH "SEE ALSO"
XClearArea(__libmansuffix__)
.br
\fIXlib \- C Language X Interface\fP