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/* $Xorg: HVCWpAj.c,v 1.3 2000/08/17 19:44:37 cpqbld 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. TekColor is a
* trademark of Tektronix, Inc. The term "TekHVC" designates a particular
* color space that is the subject of U.S. Patent No. 4,985,853 (equivalent
* foreign patents pending). 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:
*
* 1. This copyright, permission, and disclaimer notice is reproduced in
* all copies of this software and any modification thereof and in
* supporting documentation;
* 2. Any color-handling application which displays TekHVC color
* cooordinates identifies these as TekHVC color coordinates in any
* interface that displays these coordinates and in any associated
* documentation;
* 3. The term "TekHVC" is always used, and is only used, in association
* with the mathematical derivations of the TekHVC Color Space,
* including those provided in this file and any equivalent pathways and
* mathematical derivations, regardless of digital (e.g., floating point
* or integer) representation.
*
* 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.
*
* DESCRIPTION
* TekHVCWpAj.c
*
* DESCRIPTION
* This file contains routine(s) that support white point
* adjustment of color specifications in the TekHVC color
* space.
*/
/* $XFree86$ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "Xlibint.h"
#include "Xcmsint.h"
#include "Cv.h"
/************************************************************************
* *
* PUBLIC ROUTINES *
* *
************************************************************************/
/*
* NAME
* XcmsTekHVCWhiteShiftColors
*
* SYNOPSIS
*/
Status
XcmsTekHVCWhiteShiftColors(ccc, pWhitePtFrom, pWhitePtTo, destSpecFmt,
pColors_in_out, nColors, pCompressed)
XcmsCCC ccc;
XcmsColor *pWhitePtFrom;
XcmsColor *pWhitePtTo;
XcmsColorFormat destSpecFmt;
XcmsColor *pColors_in_out;
unsigned int nColors;
Bool *pCompressed;
/*
* DESCRIPTION
* Convert color specifications in an array of 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(XcmsFailure);
}
/*
* Insure TekHVC installed
*/
if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) {
return(XcmsFailure);
}
/*
* Convert to TekHVC using pWhitePtFrom
* We can ignore return value for compression because we are converting
* to XcmsTekHVCFormat which is device-independent, not device-dependent.
*/
if (_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtFrom,
nColors, XcmsTekHVCFormat, pCompressed) == XcmsFailure) {
return(XcmsFailure);
}
/*
* Convert from TekHVC to destSpecFmt using pWhitePtTo
*/
return(_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtTo,
nColors, destSpecFmt, pCompressed));
}
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