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/*
* 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
* CIELabWpAj.c
*
* DESCRIPTION
* This file contains routine(s) that support white point
* adjustment of color specifications in the CIE L*a*b* color
* space.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "Xlibint.h"
#include "Xcmsint.h"
#include "Cv.h"
/*
* EXTERNS
*/
/************************************************************************
* *
* PUBLIC ROUTINES *
* *
************************************************************************/
/*
* NAME
* XcmsCIELabWhiteShiftColors
*
* SYNOPSIS
*/
Status
XcmsCIELabWhiteShiftColors(
XcmsCCC ccc,
XcmsColor *pWhitePtFrom,
XcmsColor *pWhitePtTo,
XcmsColorFormat destSpecFmt,
XcmsColor *pColors_in_out,
unsigned int nColors,
Bool *pCompressed)
/*
* DESCRIPTION
* Adjust color specifications in XcmsColor structures for
* differences in white points.
*
* RETURNS
* XcmsFailure if failed,
* XcmsSuccess if succeeded without gamut compression,
* XcmsSuccessWithCompression if succeeded with gamut
* compression.
*/
{
if (pWhitePtFrom == NULL || pWhitePtTo == NULL || pColors_in_out == NULL) {
return(0);
}
/*
* Convert to CIELab using pWhitePtFrom
*/
if (_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtFrom,
nColors, XcmsCIELabFormat, pCompressed) == XcmsFailure) {
return(XcmsFailure);
}
/*
* Convert from CIELab to destSpecFmt using pWhitePtTo
*/
return(_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out,
pWhitePtTo, nColors, destSpecFmt, pCompressed));
}
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