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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(
+ 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));
+}