74 lines
2.8 KiB
Groff
74 lines
2.8 KiB
Groff
.\" Copyright \(co 1986-1997 The Open Group All Rights Reserved
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.\" Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved.
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" copy of this software and associated documentation files (the "Software"),
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.\" to deal in the Software without restriction, including without limitation
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.\" the rights to use, copy, modify, merge, publish, distribute, sublicense,
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.\" and/or sell copies of the Software, and to permit persons to whom the
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.\" Software is furnished to do so, subject to the following conditions:
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.\"
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.\" The above copyright notice and this permission notice (including the next
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.\" paragraph) shall be included in all copies or substantial portions of the
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.\" Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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.\" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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.\" THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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.\" LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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.\" FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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.\" DEALINGS IN THE SOFTWARE.
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.\"
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.\" X Window System is a trademark of The Open Group.
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.\"
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.de ZN
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.ie t \fB\^\\$1\^\fR\\$2
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.el \fI\^\\$1\^\fP\\$2
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..
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.TH XCUP __libmansuffix__ __xorgversion__ "X FUNCTIONS"
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.SH NAME
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XcupGetReservedColormapEntries \- list colormap entries reserved by the system
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.SH SYNOPSIS
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.PP
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.nf
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\fBcc\fR [ \fIflag\fR \&.\&.\&. ] \fIfile\fR \&.\&.\&. -\fBlXext\fR [ \fIlibrary\fR \&.\&.\&. ]
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\&#include <X11/extensions/Xcup.h>
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.HP
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Status \fBXcupGetReservedColormapEntries\fP\^(\^Display *\fIdisplay\fP\^,
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int \fIscreen\fP\^, XColor **\fIcolors_out\fP\^, int *\fIncolors\fP\^);
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.if n .ti +5n
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.if t .ti +.5i
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.SH ARGUMENTS
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.IP \fIdisplay\fP 1i
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Specifies the connection to the X server.
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.IP \fIscreen\fP 1i
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Screen number on the host server.
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.IP \fIcolors_out\fP 1i
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Returns the values reserved by the server.
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.IP \fIncolors\fP 1i
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Returns the number of items in \fIcolors_out\fP.
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.SH DESCRIPTION
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.LP
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The
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.ZN XcupGetReservedColormapEntries
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function returns a list of colormap entries (pixels) that are reserved
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by the system. This list will, at a minimum, contain entries for the
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BlackPixel and WhitePixel of the specified screen. Use
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.ZN XFree
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to free
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.I colors_out.
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.LP
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To minimize colormap flash, an application which installs its own private
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colormap should query the special colors by calling
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.ZN XCupGetReservedColormapEntries ,
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and can then store those entries (in the
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proper location) in its private colormap using
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.ZN XCupStoreColors .
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.SH "SEE ALSO"
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.BR XcupQueryVersion (3Xext),
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.BR XcupStoreColors (3Xext),
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.BR XFree (3X11),
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.br
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\fIColormap Utilization Policy and Extension\fP
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