253 lines
7.0 KiB
Groff
253 lines
7.0 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 CW
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.fi
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.de IN \" send an index entry to the stderr
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.de Pn
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.el \\$1\fI\^\\$2\^\fP\\$3
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..
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.ny0
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.TH BlackPixelOfScreen __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen, DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultGCOfScreen, DefaultVisualOfScreen, DoesBackingStore, DoesSaveUnders, DisplayOfScreen, XScreenNumberOfScreen, EventMaskOfScreen, HeightOfScreen, HeightMMOfScreen, MaxCmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWindowOfScreen, WidthOfScreen, WidthMMOfScreen \- screen information functions and macros
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.SH SYNTAX
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.HP
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unsigned long BlackPixelOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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unsigned long WhitePixelOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int CellsOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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Colormap DefaultColormapOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int DefaultDepthOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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GC DefaultGCOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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Visual *DefaultVisualOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int DoesBackingStore\^(\^Screen *\fIscreen\fP\^);
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.HP
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Bool DoesSaveUnders\^(\^Screen *\fIscreen\fP\^);
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.HP
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Display *DisplayOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int XScreenNumberOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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long EventMaskOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int HeightOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int HeightMMOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int MaxCmapsOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int MinCmapsOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int PlanesOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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Window RootWindowOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int WidthOfScreen\^(\^Screen *\fIscreen\fP\^);
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.HP
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int WidthMMOfScreen\^(\^Screen *\fIscreen\fP\^);
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.SH ARGUMENTS
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.IP \fIscreen\fP 1i
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Specifies the appropriate
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.ZN Screen
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structure.
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.SH DESCRIPTION
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The
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.ZN BlackPixelOfScreen
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macro returns the black pixel value of the specified screen.
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.LP
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The
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.ZN WhitePixelOfScreen
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macro returns the white pixel value of the specified screen.
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.LP
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The
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.ZN CellsOfScreen
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macro returns the number of colormap cells in the default colormap
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of the specified screen.
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.LP
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The
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.ZN DefaultColormapOfScreen
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macro returns the default colormap of the specified screen.
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.LP
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The
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.ZN DefaultDepthOfScreen
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macro returns the default depth of the root window of the specified screen.
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.LP
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The
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.ZN DefaultGCOfScreen
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macro returns the default GC of the specified screen,
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which has the same depth as the root window of the screen.
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.LP
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The
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.ZN DefaultVisualOfScreen
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macro returns the default visual of the specified screen.
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.LP
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The
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.ZN DoesBackingStore
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macro returns
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.ZN WhenMapped ,
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.ZN NotUseful ,
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or
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.ZN Always ,
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which indicate whether the screen supports backing stores.
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.LP
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The
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.ZN DoesSaveUnders
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macro returns a Boolean value indicating whether the
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screen supports save unders.
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.LP
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The
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.ZN DisplayOfScreen
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macro returns the display of the specified screen.
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.LP
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The
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.ZN XScreenNumberOfScreen
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function returns the screen index number of the specified screen.
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.LP
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The
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.ZN EventMaskOfScreen
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macro returns the root event mask of the root window for the specified screen
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at connection setup.
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.LP
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The
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.ZN HeightOfScreen
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macro returns the height of the specified screen.
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.LP
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The
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.ZN HeightMMOfScreen
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macro returns the height of the specified screen in millimeters.
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.LP
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The
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.ZN MaxCmapsOfScreen
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macro returns the maximum number of installed colormaps supported
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by the specified screen.
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.LP
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The
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.ZN MinCmapsOfScreen
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macro returns the minimum number of installed colormaps supported
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by the specified screen.
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.LP
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The
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.ZN PlanesOfScreen
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macro returns the number of planes in the root window of the specified screen.
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.LP
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The
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.ZN RootWindowOfScreen
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macro returns the root window of the specified screen.
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.LP
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The
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.ZN WidthOfScreen
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macro returns the width of the specified screen.
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.LP
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The
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.ZN WidthMMOfScreen
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macro returns the width of the specified screen in millimeters.
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.SH "SEE ALSO"
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AllPlanes(__libmansuffix__),
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ImageByteOrder(__libmansuffix__),
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IsCursorKey(__libmansuffix__)
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.br
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\fI\*(xL\fP
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