308 lines
8.3 KiB
Groff
308 lines
8.3 KiB
Groff
.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining
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.\" a copy of this software and associated documentation files (the
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.\" "Software"), to deal in the Software without restriction, including
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.\" without limitation the rights to use, copy, modify, merge, publish,
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.\" distribute, sublicense, and/or sell copies of the Software, and to
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.\" permit persons to whom the Software is furnished to do so, subject to
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.\" the following conditions:
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.\"
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.\" The above copyright notice and this permission notice shall be included
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.\" in all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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.\" OTHER DEALINGS IN THE SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of the X Consortium shall
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.\" not be used in advertising or otherwise to promote the sale, use or
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.\" other dealings in this Software without prior written authorization
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.\" from the X Consortium.
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.\"
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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
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.\" Digital Equipment Corporation
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.\"
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.\" Portions Copyright \(co 1990, 1991 by
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.\" Tektronix, Inc.
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.\"
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.\" Permission to use, copy, modify and distribute this documentation for
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.\" any purpose and without fee is hereby granted, provided that the above
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.\" copyright notice appears in all copies and that both that copyright notice
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.\" and this permission notice appear in all copies, and that the names of
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.\" Digital and Tektronix not be used in in advertising or publicity pertaining
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.\" to this documentation without specific, written prior permission.
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.\" Digital and Tektronix makes no representations about the suitability
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.\" of this documentation for any purpose.
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.\" It is provided ``as is'' without express or implied warranty.
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.\"
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.\"
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.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xW Athena X Widgets \- C Language X Toolkit Interface
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.ds xL Xlib \- C Language X Interface
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.ds xC Inter-Client Communication Conventions Manual
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.na
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.de Ds
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.nf
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.\\$1D \\$2 \\$1
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.ft 1
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.ny0
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.TH XCopyArea __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XCopyArea, XCopyPlane \- copy areas
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.SH SYNTAX
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.HP
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int XCopyArea\^(\^Display *\fIdisplay\fP\^, Drawable \fIsrc\fP\^, Drawable
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\fIdest\fP\^, GC \fIgc\fP\^, int \fIsrc_x\fP\^, int \fIsrc_y\fP\^, unsigned
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int \fIwidth\fP\^, unsigned \fIheight\fP\^, int \fIdest_x\fP\^, int
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\fIdest_y\fP\^);
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.HP
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int XCopyPlane\^(\^Display *\fIdisplay\fP\^, Drawable \fIsrc\fP\^, Drawable
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\fIdest\fP\^, GC \fIgc\fP\^, int \fIsrc_x\fP\^, int \fIsrc_y\fP\^, unsigned
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\fIwidth\fP\^, int \fIheight\fP\^, int \fIdest_x\fP\^, int \fIdest_y\fP\^,
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unsigned long \fIplane\fP\^);
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.SH ARGUMENTS
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.ds Dx , which are relative to the origin of the destination rectangle \
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and specify its upper-left corner
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.IP \fIdest_x\fP 1i
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.br
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.ns
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.IP \fIdest_y\fP 1i
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Specify the x and y coordinates\*(Dx.
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.IP \fIdisplay\fP 1i
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Specifies the connection to the X server.
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.IP \fIgc\fP 1i
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Specifies the GC.
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.IP \fIplane\fP 1i
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Specifies the bit plane.
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You must set exactly one bit to 1.
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.IP \fIsrc\fP 1i
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.br
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.ns
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.IP \fIdest\fP 1i
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Specify the source and destination rectangles to be combined.
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.IP \fIsrc_x\fP 1i
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.br
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.ns
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.IP \fIsrc_y\fP 1i
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Specify the x and y coordinates,
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which are relative to the origin of the source rectangle
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and specify its upper-left corner.
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.ds Wh , which are the dimensions of both the source and destination rectangles
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.IP \fIwidth\fP 1i
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.br
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.ns
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.IP \fIheight\fP 1i
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Specify the width and height\*(Wh.
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.SH DESCRIPTION
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The
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.ZN XCopyArea
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function combines the specified rectangle of src with the specified rectangle
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of dest.
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The drawables must have the same root and depth,
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or a
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.ZN BadMatch
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error results.
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.LP
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If regions of the source rectangle are obscured and have not been
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retained in backing store
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or if regions outside the boundaries of the source drawable are specified,
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those regions are not copied.
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Instead, the
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following occurs on all corresponding destination regions that are either
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visible or are retained in backing store.
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If the destination is a window with a background other than
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.ZN None ,
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corresponding regions
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of the destination are tiled with that background
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(with plane-mask of all ones and
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.ZN GXcopy
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function).
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Regardless of tiling or whether the destination is a window or a pixmap,
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if graphics-exposures is
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.ZN True ,
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then
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.ZN GraphicsExpose
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events for all corresponding destination regions are generated.
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If graphics-exposures is
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.ZN True
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but no
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.ZN GraphicsExpose
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events are generated, a
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.ZN NoExpose
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event is generated.
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Note that by default graphics-exposures is
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.ZN True
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in new GCs.
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.LP
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This function uses these GC components: function, plane-mask,
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subwindow-mode, graphics-exposures, clip-x-origin,
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clip-y-origin, and clip-mask.
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.LP
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.ZN XCopyArea
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can generate
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.ZN BadDrawable ,
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.ZN BadGC ,
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and
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.ZN BadMatch
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errors.
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.LP
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The
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.ZN XCopyPlane
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function uses a single bit plane of the specified source rectangle
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combined with the specified GC to modify the specified rectangle of dest.
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The drawables must have the same root but need not have the same depth.
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If the drawables do not have the same root, a
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.ZN BadMatch
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error results.
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If plane does not have exactly one bit set to 1 and the value of plane
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is not less than %2 sup n%, where \fIn\fP is the depth of src, a
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.ZN BadValue
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error results.
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.LP
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Effectively,
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.ZN XCopyPlane
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forms a pixmap of the same depth as the rectangle of dest and with a
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size specified by the source region.
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It uses the foreground/background pixels in the GC (foreground
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everywhere the bit plane in src contains a bit set to 1,
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background everywhere the bit plane in src contains a bit set to 0)
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and the equivalent of a
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.ZN CopyArea
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protocol request is performed with all the same exposure semantics.
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This can also be thought of as using the specified region of the source
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bit plane as a stipple with a fill-style of
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.ZN FillOpaqueStippled
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for filling a rectangular area of the destination.
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.LP
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This function uses these GC components: function, plane-mask, foreground,
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background, subwindow-mode, graphics-exposures, clip-x-origin, clip-y-origin,
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and clip-mask.
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.LP
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.ZN XCopyPlane
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can generate
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.ZN BadDrawable ,
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.ZN BadGC ,
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.ZN BadMatch ,
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and
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.ZN BadValue
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errors.
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.SH DIAGNOSTICS
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.TP 1i
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.ZN BadDrawable
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A value for a Drawable argument does not name a defined Window or Pixmap.
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.TP 1i
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.ZN BadGC
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A value for a GContext argument does not name a defined GContext.
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.TP 1i
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.ZN BadMatch
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An
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.ZN InputOnly
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window is used as a Drawable.
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.TP 1i
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.ZN BadMatch
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Some argument or pair of arguments has the correct type and range but fails
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to match in some other way required by the request.
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.TP 1i
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.ZN BadValue
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Some numeric value falls outside the range of values accepted by the request.
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Unless a specific range is specified for an argument, the full range defined
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by the argument's type is accepted. Any argument defined as a set of
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alternatives can generate this error.
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.SH "SEE ALSO"
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XClearArea(__libmansuffix__)
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.br
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\fIXlib \- C Language X Interface\fP
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