108 lines
4.4 KiB
Groff
108 lines
4.4 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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.TH XcmsConvertColors __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XcmsConvertColors \- convert CCC color specifications
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.SH SYNTAX
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.HP
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Status XcmsConvertColors\^(\^XcmsCCC \fIccc\fP\^, XcmsColor
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\fIcolors_in_out\fP\^[\^]\^, unsigned int \fIncolors\fP\^, XcmsColorFormat
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\fItarget_format\fP\^, Bool \fIcompression_flags_return\fP\^[\^]\^);
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.SH ARGUMENTS
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.IP \fIccc\fP 1i
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Specifies the CCC.
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If Conversion is between device-independent color spaces only
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(for example, TekHVC to CIELuv),
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the CCC is necessary only to specify the Client White Point.
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.IP \fIcolors_in_out\fP 1i
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Specifies an array of color specifications.
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Pixel members are ignored and remain unchanged upon return.
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.IP \fIcompression_flags_return\fP 1i
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Returns an array of Boolean values indicating compression status.
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If a non-NULL pointer is supplied,
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each element of the array is set to
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.B True
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if the corresponding color was compressed and
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.B False
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otherwise.
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Pass NULL if the compression status is not useful.
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.IP \fIncolors\fP 1i
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Specifies the number of
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.B XcmsColor
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structures in the color-specification array.
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.IP \fItarget_format\fP 1i
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Specifies the target color specification format.
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.SH DESCRIPTION
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The
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.B XcmsConvertColors
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function converts the color specifications in the specified array of
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.B XcmsColor
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structures from their current format to a single target format,
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using the specified CCC.
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When the return value is
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.BR XcmsFailure ,
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the contents of the color specification array are left unchanged.
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.LP
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The array may contain a mixture of color specification formats
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(for example, 3 CIE XYZ, 2 CIE Luv, and so on).
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When the array contains both device-independent and
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device-dependent color specifications and the target_format argument specifies
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a device-dependent format (for example,
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.BR XcmsRGBiFormat ,
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.BR XcmsRGBFormat ),
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all specifications are converted to CIE XYZ format and then to the target
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device-dependent format.
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.SH "SEE ALSO"
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DisplayOfCCC(__libmansuffix__),
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XcmsCCCOfColormap(__libmansuffix__),
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XcmsCreateCCC(__libmansuffix__),
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XcmsDefaultCCC(__libmansuffix__),
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XcmsSetWhitePoint(__libmansuffix__)
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.br
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\fI\*(xL\fP
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