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Xcms_SetCCC.c
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C/C++ Source or Header
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1999-11-02
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4KB
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/* $XConsortium: SetCCC.c,v 1.5 93/09/07 21:32:37 rws Exp $ */
/*
* Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
* All Rights Reserved
*
* This file is a component of an X Window System-specific implementation
* of Xcms based on the TekColor Color Management System. Permission is
* hereby granted to use, copy, modify, sell, and otherwise distribute this
* software and its documentation for any purpose and without fee, provided
* that this copyright, permission, and disclaimer notice is reproduced in
* all copies of this software and in supporting documentation. TekColor
* is a trademark of Tektronix, Inc.
*
* Tektronix makes no representation about the suitability of this software
* for any purpose. It is provided "as is" and with all faults.
*
* TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,
* INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE. IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE.
*
*
* NAME
* XcmsSetCCC.c - Color Conversion Context Setting Routines
*
* DESCRIPTION
* Routines to set components of a Color Conversion
* Context structure.
*
*
*/
#include "Xlib_private.h"
#include "Xcms.h"
/************************************************************************
* *
* PUBLIC INTERFACES *
* *
************************************************************************/
/*
* NAME
* XcmsSetWhitePoint
*
* SYNOPSIS
*/
Status
XcmsSetWhitePoint(ccc, pColor)
XcmsCCC ccc;
XcmsColor *pColor;
/*
* DESCRIPTION
* Sets the Client White Point in the specified CCC.
*
* RETURNS
* Returns XcmsSuccess if succeeded; otherwise XcmsFailure.
*
*/
{
DBUG_ENTER("XcmsSetWhitePoint")
if (pColor == NULL || pColor->format == XcmsUndefinedFormat) {
ccc->clientWhitePt.format = XcmsUndefinedFormat;
} else if (pColor->format != XcmsCIEXYZFormat &&
pColor->format != XcmsCIEuvYFormat &&
pColor->format != XcmsCIExyYFormat) {
DBUG_RETURN(XcmsFailure);
} else {
memcpy((char *)&ccc->clientWhitePt, (char *)pColor, sizeof(XcmsColor));
}
DBUG_RETURN(XcmsSuccess);
}
/*
* NAME
* XcmsSetCompressionProc
*
* SYNOPSIS
*/
XcmsCompressionProc
#if NeedFunctionPrototypes
XcmsSetCompressionProc(
XcmsCCC ccc,
XcmsCompressionProc compression_proc,
XPointer client_data)
#else
XcmsSetCompressionProc(ccc, compression_proc, client_data)
XcmsCCC ccc;
XcmsCompressionProc compression_proc;
XPointer client_data;
#endif
/*
* DESCRIPTION
* Set the specified CCC's compression function and client data.
*
* RETURNS
* Returns the old compression function.
*
*/
{
DBUG_ENTER("XcmsSetCompressionProc")
XcmsCompressionProc old;
old = ccc->gamutCompProc;
ccc->gamutCompProc = compression_proc;
ccc->gamutCompClientData = client_data;
DBUG_RETURN(old);
}
/*
* NAME
* XcmsSetWhiteAdjustProc
*
* SYNOPSIS
*/
XcmsWhiteAdjustProc
#if NeedFunctionPrototypes
XcmsSetWhiteAdjustProc(
XcmsCCC ccc,
XcmsWhiteAdjustProc white_adjust_proc,
XPointer client_data )
#else
XcmsSetWhiteAdjustProc(ccc, white_adjust_proc, client_data)
XcmsCCC ccc;
XcmsWhiteAdjustProc white_adjust_proc;
XPointer client_data;
#endif
/*
* DESCRIPTION
* Set the specified CCC's white_adjust function and client data.
*
* RETURNS
* Returns the old white_adjust function.
*
*/
{
DBUG_ENTER("XcmsSetWhiteAdjustProc")
XcmsWhiteAdjustProc old;
old = ccc->whitePtAdjProc;
ccc->whitePtAdjProc = white_adjust_proc;
ccc->whitePtAdjClientData = client_data;
DBUG_RETURN(old);
}