Convert nx-X11/lib/ build flow from imake to autotools.

67 files changed, 16739 insertions, 0 deletions

diff --git a/nx-X11/lib/src/xcms/AddDIC.c b/nx-X11/lib/src/xcms/AddDIC.c
new file mode 100644
index 000000000..ecc6650ab
--- /dev/null
+++ b/nx-X11/lib/src/xcms/AddDIC.c
@@ -0,0 +1,149 @@
+
+/*
+ * 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
+ *		XcmsAddDIC.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsAddColorSpace
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/*
+ *      DEFINES
+ */
+#define NextUnregDiCsID(lastid) \
+	    (XCMS_UNREG_ID(lastid) ? ++lastid : XCMS_FIRST_UNREG_DI_ID)
+#define MAX(x,y) ((x) < (y) ? (y) : (x))
+
+
+/*
+ *	NAME
+ *		XcmsAddColorSpace - Add a Device-Independent Color Space
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsAddColorSpace(XcmsColorSpace *pCS)
+/*
+ *	DESCRIPTION
+ *		DI Color Spaces are managed on a global basis.
+ *		This means that with exception of the provided DI color spaces:
+ *			CIEXYZ, CIExyY, CIELab, CIEuvY, CIELuv, and TekHVC
+ *		DI color spaces may have different XcmsColorFormat IDs between
+ *		clients.  So, you must be careful when using XcmsColor
+ *		structures between clients!  Use the routines XcmsFormatOfPrefix()
+ *		and XcmsPrefixOfFormat() appropriately.
+ *
+ *	RETURNS
+ *		XcmsSuccess if succeeded, otherwise XcmsFailure
+ */
+{
+    XcmsColorSpace **papColorSpaces;
+    XcmsColorSpace *ptmpCS;
+    XcmsColorFormat lastID = 0;
+
+    if ((pCS->id = _XcmsRegFormatOfPrefix(pCS->prefix)) != 0) {
+	if (XCMS_DD_ID(pCS->id)) {
+	    /* This is a Device-Dependent Color Space */
+	    return(XcmsFailure);
+	}
+	/*
+	 * REGISTERED DI Color Space
+	 *    then see if the color space has already been added to the
+	 *    system:
+	 *	    a. If the same ID/prefix and same XcmsColorSpec is found,
+	 *		then its a duplicate, so return success.
+	 *	    b. If same ID/prefix but different XcmsColorSpec is
+	 *		found, then add the color space to the front of the
+	 *		list using the same ID.  This allows one to override
+	 *		an existing DI Color Space.
+	 *	    c. Otherwise none found so just add the color space.
+	 */
+	if ((papColorSpaces = _XcmsDIColorSpaces) != NULL) {
+	    while ((ptmpCS = *papColorSpaces++) != NULL) {
+		if (pCS->id == ptmpCS->id) {
+		    if (pCS == ptmpCS) {
+			/* a. duplicate*/
+			return(XcmsSuccess);
+		    }
+		    /* b. same ID/prefix but different XcmsColorSpace */
+		    break;
+		}
+	    }
+	}
+	/* c. None found */
+    } else {
+	/*
+	 * UNREGISTERED DI Color Space
+	 *    then see if the color space has already been added to the
+	 *    system:
+	 *	    a. If same prefix and XcmsColorSpec, then
+	 *		its a duplicate ... return success.
+	 *	    b. If same prefix but different XcmsColorSpec, then
+	 *		add the color space to the front of the list using
+	 *		the same ID.  This allows one to override an existing
+	 *		DI Color Space.
+	 *	    c. Otherwise none found so, add the color space using the
+	 *		next unregistered ID for the connection.
+	 */
+	if ((papColorSpaces = _XcmsDIColorSpaces) != NULL) {
+	    while ((ptmpCS = *papColorSpaces++) != NULL) {
+		lastID = MAX(lastID, ptmpCS->id);
+		if (strcmp(pCS->prefix, ptmpCS->prefix) == 0) {
+		    if (pCS == ptmpCS) {
+			/* a. duplicate */
+			return(XcmsSuccess);
+		    }
+		    /* b. same prefix but different XcmsColorSpec */
+		    pCS->id = ptmpCS->id;
+		    goto AddColorSpace;
+		}
+	    }
+	}
+	/* c. None found */
+	pCS->id = NextUnregDiCsID(lastID);
+    }
+
+
+AddColorSpace:
+    if ((papColorSpaces = (XcmsColorSpace **)
+	    _XcmsPushPointerArray((XPointer *)_XcmsDIColorSpaces,
+	    (XPointer)pCS,
+	    (XPointer *)_XcmsDIColorSpacesInit)) == NULL) {
+	return(XcmsFailure);
+    }
+    _XcmsDIColorSpaces = papColorSpaces;
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/AddSF.c b/nx-X11/lib/src/xcms/AddSF.c
new file mode 100644
index 000000000..2e244e73b
--- /dev/null
+++ b/nx-X11/lib/src/xcms/AddSF.c
@@ -0,0 +1,145 @@
+
+/*
+ * 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
+ *		XcmsAddSF.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsAddFunctionSet
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *      DEFINES
+ */
+#define NextUnregDdCsID(lastid) \
+	    (XCMS_UNREG_ID(lastid) ? ++lastid : XCMS_FIRST_UNREG_DD_ID)
+#define MIN(x,y) ((x) > (y) ? (y) : (x))
+
+
+/*
+ *	NAME
+ *		XcmsAddFunctionSet - Add an Screen Color Characterization
+ *					Function Set
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsAddFunctionSet(XcmsFunctionSet *pNewFS)
+/*
+ *	DESCRIPTION
+ *		Additional Screen Color Characterization Function Sets are
+ *		managed on a global basis.  This means that with exception
+ *		of the provided DD color spaces:
+ *			    RGB and RGBi
+ *		DD color spaces may have different XcmsColorFormat IDs between
+ *		clients.  So, you must be careful when using XcmsColorFormat
+ *		across clients!  Use the routines XcmsFormatOfPrefix()
+ *		and XcmsPrefixOfFormat() appropriately.
+ *
+ *	RETURNS
+ *		XcmsSuccess if succeeded, otherwise XcmsFailure
+ *
+ *	CAVEATS
+ *		Additional Screen Color Characterization Function Sets
+ *		should be added prior to any use of the routine
+ *		XcmsCreateCCC().  If not, XcmsCCC structures created
+ *		prior to the call of this routines will not have had
+ *		a chance to initialize using the added Screen Color
+ *		Characterization Function Set.
+ */
+{
+    XcmsFunctionSet **papSCCFuncSets = _XcmsSCCFuncSets;
+    XcmsColorSpace **papNewCSs;
+    XcmsColorSpace *pNewCS, **paptmpCS;
+    XcmsColorFormat lastID = 0;
+
+
+    if (papSCCFuncSets != NULL) {
+	if ((papNewCSs = pNewFS->DDColorSpaces) == NULL) {
+	    /*
+	     * Error, new Screen Color Characterization Function Set
+	     *	missing color spaces
+	     */
+	    return(XcmsFailure);
+	}
+	while ((pNewCS = *papNewCSs++) != NULL) {
+	    if ((pNewCS->id = _XcmsRegFormatOfPrefix(pNewCS->prefix)) != 0) {
+		if (XCMS_DI_ID(pNewCS->id)) {
+		    /* This is a Device-Independent Color Space */
+		    return(XcmsFailure);
+		}
+		/*
+		 * REGISTERED DD Color Space
+		 *    therefore use the registered ID.
+		 */
+	    } else {
+		/*
+		 * UNREGISTERED DD Color Space
+		 *    then see if the color space is already in
+		 *    _XcmsDDColorSpaces.
+		 *	    a. If same prefix, then use the same ID.
+		 *	    b. Otherwise, use a new ID.
+		 */
+		for (paptmpCS = _XcmsDDColorSpaces; *paptmpCS != NULL;
+			paptmpCS++){
+		    lastID = MIN(lastID, (*paptmpCS)->id);
+		    if (strcmp(pNewCS->prefix, (*paptmpCS)->prefix) == 0) {
+			pNewCS->id = (*paptmpCS)->id;
+			break;
+		    }
+		}
+		if (pNewCS->id == 0) {
+		    /* still haven't found one */
+		    pNewCS->id = NextUnregDdCsID(lastID);
+		    if ((paptmpCS = (XcmsColorSpace **)_XcmsPushPointerArray(
+		   	    (XPointer *) _XcmsDDColorSpaces,
+			    (XPointer) pNewCS,
+			    (XPointer *) _XcmsDDColorSpacesInit)) == NULL) {
+			return(XcmsFailure);
+		    }
+		    _XcmsDDColorSpaces = paptmpCS;
+		}
+	    }
+	}
+    }
+    if ((papSCCFuncSets = (XcmsFunctionSet **)
+	    _XcmsPushPointerArray((XPointer *) _XcmsSCCFuncSets,
+	    (XPointer) pNewFS,
+	    (XPointer *)_XcmsSCCFuncSetsInit)) == NULL) {
+	return(XcmsFailure);
+    }
+    _XcmsSCCFuncSets = papSCCFuncSets;
+
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/CCC.c b/nx-X11/lib/src/xcms/CCC.c
new file mode 100644
index 000000000..de6d6318a
--- /dev/null
+++ b/nx-X11/lib/src/xcms/CCC.c
@@ -0,0 +1,285 @@
+
+/*
+ * 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
+ *		XcmsCCC.c - Color Conversion Context Routines
+ *
+ *	DESCRIPTION
+ *		Routines to create, access, and free Color Conversion
+ *		Context structures.
+ *
+ *
+ */
+
+/*
+
+Copyright 1994, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCreateCCC
+ *
+ *	SYNOPSIS
+ */
+
+XcmsCCC
+XcmsCreateCCC(
+    Display *dpy,
+    int screenNumber,
+    Visual *visual,
+    XcmsColor *clientWhitePt,
+    XcmsCompressionProc gamutCompProc,
+    XPointer gamutCompClientData,
+    XcmsWhiteAdjustProc whitePtAdjProc,
+    XPointer whitePtAdjClientData)
+/*
+ *	DESCRIPTION
+ *		Given a Display, Screen, Visual, etc., this routine creates
+ *		an appropriate Color Conversion Context.
+ *
+ *	RETURNS
+ *		Returns NULL if failed; otherwise address of the newly
+ *		created XcmsCCC.
+ *
+ */
+{
+    XcmsCCC pDefaultCCC = XcmsDefaultCCC(dpy, screenNumber);
+    XcmsCCC newccc;
+    XcmsIntensityMap *pIMap;
+    XcmsPerScrnInfo *pNewScrnInfo;
+
+    if (pDefaultCCC == NULL ||
+	    !(newccc = Xcalloc(1, sizeof(XcmsCCCRec)))) {
+	return(NULL);
+    }
+
+    /*
+     * Should inherit the following as result of a memmove():
+     *		dpy
+     *		screenNumber
+     *		pPerScrnInfo
+     */
+    memcpy((char *)newccc, (char *)pDefaultCCC, sizeof(XcmsCCCRec));
+    if (clientWhitePt) {
+	memcpy((char *)&newccc->clientWhitePt, (char *)clientWhitePt,
+		sizeof(XcmsColor));
+    }
+    if (gamutCompProc) {
+	newccc->gamutCompProc = gamutCompProc;
+    }
+    if (gamutCompClientData) {
+	newccc->gamutCompClientData = gamutCompClientData;
+    }
+    if (whitePtAdjProc) {
+	newccc->whitePtAdjProc = whitePtAdjProc;
+    }
+    if (whitePtAdjClientData) {
+	newccc->whitePtAdjClientData = whitePtAdjClientData;
+    }
+
+    /*
+     * Now check our list of per-Visual Intensity tables.
+     * If one exists replace the pPerScrnInfo.
+     */
+    if ((pIMap = _XcmsGetIntensityMap(dpy, visual)) != NULL) {
+	if (!(pNewScrnInfo = Xcalloc(1, sizeof(XcmsPerScrnInfo)))) {
+	    Xfree(newccc);
+	    return(NULL);
+	}
+	memcpy((char *)pNewScrnInfo, (char *)newccc->pPerScrnInfo,
+		sizeof(XcmsPerScrnInfo));
+	pNewScrnInfo->screenData = pIMap->screenData;
+	newccc->pPerScrnInfo = pNewScrnInfo;
+    }
+
+    /*
+     * Set visual component
+     */
+    newccc->visual = visual;
+
+    return(newccc);
+}
+
+
+/*
+ *	NAME
+ *		XcmsDefaultCCC
+ *
+ *	SYNOPSIS
+ */
+XcmsCCC
+XcmsDefaultCCC(
+    Display *dpy,
+    int screenNumber)
+/*
+ *	DESCRIPTION
+ *		Given a Display and Screen, this routine creates
+ *		returns the Screen's default Color Conversion Context.
+ *		Note that a Screen's default CCC is built with the
+ *		screen default visual.
+ *
+ *	RETURNS
+ *		Returns NULL if failed; otherwise address of the
+ *		XcmsCCC for the Screen's default CCC.
+ *
+ */
+{
+    XcmsCCC ccc;
+
+
+    if ((screenNumber < 0) || (screenNumber >= ScreenCount(dpy))) {
+	return((XcmsCCC)NULL);
+    }
+
+    /*
+     * Check if the XcmsCCC's for each screen has been created
+     */
+    if ((XcmsCCC)dpy->cms.defaultCCCs == NULL) {
+	if (!_XcmsInitDefaultCCCs(dpy)) {
+	    return((XcmsCCC)NULL);
+	}
+    }
+
+    ccc = (XcmsCCC)dpy->cms.defaultCCCs + screenNumber;
+
+    if (!ccc->pPerScrnInfo) {
+	/*
+	 * Need to create the XcmsPerScrnInfo structure.  The
+	 * _XcmsInitScrnInfo routine will create the XcmsPerScrnInfo
+	 * structure as well as initialize its functionSet and pScreenData
+	 * components.
+	 */
+	if (!_XcmsInitScrnInfo(dpy, screenNumber)) {
+	    return((XcmsCCC)NULL);
+	}
+	return(ccc);
+    } else {
+	/*
+	 * If ccc->pPerScrnInfo->state == XcmsInitSuccess,
+	 *    then the pPerScrnInfo component has already been initialized
+	 *    therefore, just return ccc.
+	 * If ccc->pPerScrnInfo->state == XcmsInitFailure,
+	 *    then this means that we already attempted to initialize
+	 *    the pPerScrnInfo component but failed therefore stuffing
+	 *    the pPerScrnInfo component with defaults.  Just return ccc.
+	 * If ccc->pPerScrnInfo->state == XcmsInitNone,
+	 *    then attempt to initialize the pPerScrnInfo component.
+	 */
+	switch (ccc->pPerScrnInfo->state) {
+	   case XcmsInitFailure :
+	    /* fall through */
+	   case XcmsInitSuccess :
+	    return(ccc);
+	   case XcmsInitNone :
+	    /* XcmsPerScreenInfo has not been initialized */
+	    if (!_XcmsInitScrnInfo(dpy, screenNumber)) {
+		return((XcmsCCC)NULL);
+	    }
+	    return(ccc);
+	   default :
+	    return((XcmsCCC)NULL);
+	}
+    }
+}
+
+
+/*
+ *	NAME
+ *		XcmsFreeCCC
+ *
+ *	SYNOPSIS
+ */
+void
+XcmsFreeCCC(XcmsCCC ccc)
+/*
+ *	DESCRIPTION
+ *		Frees memory associated with a Color Conversion Context
+ *		that was created with XcmsCreateCCC().
+ *
+ *	RETURNS
+ *		void
+ *
+ */
+{
+    if (ccc->dpy->cms.defaultCCCs &&
+	ccc == ((XcmsCCC)ccc->dpy->cms.defaultCCCs) + ccc->screenNumber) {
+	/* do not allow clients to free DefaultCCC's */
+	return;
+    }
+
+    /*
+     * Note that XcmsPerScrnInfo sub-structures are freed here only if
+     * they are for visuals that have per-Visual intensity tables.
+     * Otherwise the XcmsPerScrnInfo structure is being shared!
+     * For the latter, there is only one allocated per Screen and it just
+     * so happens * that we place its initial reference is placed in the
+     * 	default CCC.  The routine _XcmsFreeDefaultCCCs frees them.
+     */
+    if (_XcmsGetIntensityMap(ccc->dpy, ccc->visual) != NULL) {
+	Xfree(ccc->pPerScrnInfo);
+    }
+
+    Xfree(ccc);
+}
diff --git a/nx-X11/lib/src/xcms/Cv.h b/nx-X11/lib/src/xcms/Cv.h
new file mode 100644
index 000000000..0b662811f
--- /dev/null
+++ b/nx-X11/lib/src/xcms/Cv.h
@@ -0,0 +1,189 @@
+
+#ifndef _CV_H_
+#define _CV_H_
+
+/* variables */
+extern const char      _XcmsCIEXYZ_prefix[];
+extern const char      _XcmsCIEuvY_prefix[];
+extern const char      _XcmsCIExyY_prefix[];
+extern const char      _XcmsCIELab_prefix[];
+extern const char      _XcmsCIELuv_prefix[];
+extern const char      _XcmsTekHVC_prefix[];
+extern const char      _XcmsRGBi_prefix[];
+extern const char      _XcmsRGB_prefix[];
+
+extern XcmsColorSpace  XcmsUNDEFINEDColorSpace;
+extern XcmsColorSpace  XcmsTekHVCColorSpace;
+extern XcmsColorSpace  XcmsCIEXYZColorSpace;
+extern XcmsColorSpace  XcmsCIEuvYColorSpace;
+extern XcmsColorSpace  XcmsCIExyYColorSpace;
+extern XcmsColorSpace  XcmsCIELabColorSpace;
+extern XcmsColorSpace  XcmsCIELuvColorSpace;
+extern XcmsColorSpace  XcmsRGBColorSpace;
+extern XcmsColorSpace  XcmsRGBiColorSpace;
+
+extern XcmsColorSpace  *_XcmsDIColorSpacesInit[];
+extern XcmsColorSpace  **_XcmsDIColorSpaces;
+
+extern XcmsColorSpace  *_XcmsDDColorSpacesInit[];
+extern XcmsColorSpace  **_XcmsDDColorSpaces;
+
+extern XcmsFunctionSet XcmsLinearRGBFunctionSet;
+
+extern XcmsFunctionSet *_XcmsSCCFuncSetsInit[];
+extern XcmsFunctionSet **_XcmsSCCFuncSets;
+
+extern XcmsRegColorSpaceEntry _XcmsRegColorSpaces[];
+
+/* functions */
+extern XPointer *
+_XcmsCopyPointerArray(
+    XPointer *pap);
+extern void
+_XcmsFreePointerArray(
+    XPointer *pap);
+extern XPointer *
+_XcmsPushPointerArray(
+    XPointer *pap,
+    XPointer p,
+    XPointer *papNoFree);
+extern Status
+_XcmsCIEXYZ_ValidSpec(
+    XcmsColor *pColor);
+extern Status
+_XcmsCIEuvY_ValidSpec(
+    XcmsColor *pColor);
+extern int
+_XcmsTekHVC_CheckModify(
+    XcmsColor *pColor);
+
+extern Status
+_XcmsTekHVCQueryMaxVCRGB(
+    XcmsCCC     ccc,
+    XcmsFloat   hue,
+    XcmsColor   *pColor_return,
+    XcmsRGBi    *pRGB_return);
+extern Status
+_XcmsCIELabQueryMaxLCRGB(
+    XcmsCCC     ccc,
+    XcmsFloat   hue,                /* hue in radians */
+    XcmsColor   *pColor_return,
+    XcmsRGBi    *pRGB_return);
+extern Status
+_XcmsConvertColorsWithWhitePt(
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    XcmsColor *pWhitePt,
+    unsigned int nColors,
+    XcmsColorFormat newFormat,
+    Bool *pCompressed);
+
+extern Status
+_XcmsDIConvertColors(
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    XcmsColor *pWhitePt,
+    unsigned int nColors,
+    XcmsColorFormat newFormat);
+extern Status
+_XcmsDDConvertColors(
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    XcmsColorFormat newFormat,
+    Bool *pCompressed);
+extern XcmsColorFormat
+_XcmsRegFormatOfPrefix(
+    _Xconst char *prefix);
+extern void
+_XColor_to_XcmsRGB(
+    XcmsCCC ccc,
+    XColor *pXColors,
+    XcmsColor *pColors,
+    unsigned int nColors);
+extern Status
+_XcmsSetGetColor(
+    Status (*xColorProc)(
+        Display*            /* display */,
+        Colormap            /* colormap */,
+        XColor*             /* screen_in_out */),
+    Display *dpy,
+    Colormap cmap,
+    XcmsColor *pColors_in_out,
+    XcmsColorFormat result_format,
+    Bool *pCompressed);
+extern Status
+_XcmsSetGetColors(
+    Status (*xColorProc)(
+        Display*            /* display */,
+        Colormap            /* colormap */,
+        XColor*             /* screen_in_out */,
+        int                 /* nColors */),
+    Display *dpy,
+    Colormap cmap,
+    XcmsColor *pColors_in_out,
+    int nColors,
+    XcmsColorFormat result_format,
+    Bool *pCompressed);
+extern Status
+_XcmsCIELuvQueryMaxLCRGB(
+    XcmsCCC     ccc,
+    XcmsFloat   hue,            /* hue in radians */
+    XcmsColor   *pColor_return,
+    XcmsRGBi    *pRGB_return);
+
+extern XcmsIntensityMap *
+_XcmsGetIntensityMap(
+    Display *dpy,
+    Visual *visual);
+extern int
+_XcmsInitDefaultCCCs(
+    Display *dpy);
+extern int
+_XcmsInitScrnInfo(
+    register Display *dpy,
+    int screenNumber);
+extern XcmsCmapRec *
+_XcmsCopyCmapRecAndFree(
+    Display *dpy,
+    Colormap src_cmap,
+    Colormap copy_cmap);
+extern void
+_XcmsCopyISOLatin1Lowered(
+    char *dst,
+    const char *src);
+extern int
+_XcmsEqualWhitePts(
+    XcmsCCC ccc, XcmsColor *pWhitePt1, XcmsColor *pWhitePt2);
+extern int
+_XcmsLRGB_InitScrnDefault(
+    Display *dpy,
+    int screenNumber,
+    XcmsPerScrnInfo *pPerScrnInfo);
+extern void
+_XcmsFreeIntensityMaps(
+    Display *dpy);
+extern int
+_XcmsGetProperty(
+    Display *pDpy,
+    Window  w,
+    Atom property,
+    int             *pFormat,
+    unsigned long   *pNItems,
+    unsigned long   *pNBytes,
+    char            **pValue);
+extern unsigned long
+_XcmsGetElement(
+    int             format,
+    char            **pValue,
+    unsigned long   *pCount);
+extern void
+_XcmsUnresolveColor(
+    XcmsCCC ccc,
+    XcmsColor *pColor);
+extern void
+_XcmsResolveColor(
+    XcmsCCC ccc,
+    XcmsColor *pXcmsColor);
+
+#endif /* _CV_H_ */
diff --git a/nx-X11/lib/src/xcms/CvColW.c b/nx-X11/lib/src/xcms/CvColW.c
new file mode 100644
index 000000000..4aabded0d
--- /dev/null
+++ b/nx-X11/lib/src/xcms/CvColW.c
@@ -0,0 +1,141 @@
+
+/*
+ * 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
+ *		XcmsCvColW.c
+ *
+ *	DESCRIPTION
+ *		<overall description of what the package does>
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			 API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+
+/*
+ *	NAME
+ *		_XcmsConvertColorsWithWhitePt - Convert XcmsColor structures
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsConvertColorsWithWhitePt(
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    XcmsColor *pWhitePt,
+    unsigned int nColors,
+    XcmsColorFormat newFormat,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Convert XcmsColor structures between device-independent
+ *		and/or device-dependent formats but allowing the calling
+ *		routine to specify the white point to be associated
+ *		with the color specifications (overriding
+ *		ccc->clientWhitePt).
+ *
+ *		This routine has been provided for use in white point
+ *		adjustment routines.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded without gamut compression,
+ *		XcmsSuccessWithCompression if succeeded with gamut
+ *			compression.
+ *
+ */
+{
+    if (ccc == NULL || pColors_in_out == NULL ||
+	    pColors_in_out->format == XcmsUndefinedFormat) {
+	return(XcmsFailure);
+    }
+
+    if (nColors == 0 || pColors_in_out->format == newFormat) {
+	/* do nothing */
+	return(XcmsSuccess);
+    }
+
+    if (XCMS_DI_ID(pColors_in_out->format) && XCMS_DI_ID(newFormat)) {
+	/*
+	 * Device-Independent to Device-Independent Conversion
+	 */
+	return(_XcmsDIConvertColors(ccc, pColors_in_out, pWhitePt, nColors,
+		newFormat));
+    }
+    if (XCMS_DD_ID(pColors_in_out->format) && XCMS_DD_ID(newFormat)) {
+	/*
+	 * Device-Dependent to Device-Dependent Conversion
+	 */
+	return(_XcmsDDConvertColors(ccc, pColors_in_out, nColors, newFormat,
+		pCompressed));
+    }
+
+    /*
+     * Otherwise we have:
+     *    1. Device-Independent to Device-Dependent Conversion
+     *		OR
+     *    2. Device-Dependent to Device-Independent Conversion
+     */
+
+    if (XCMS_DI_ID(pColors_in_out->format)) {
+	/*
+	 *    1. Device-Independent to Device-Dependent Conversion
+	 */
+	/* First convert to CIEXYZ */
+	if (_XcmsDIConvertColors(ccc, pColors_in_out, pWhitePt, nColors,
+		XcmsCIEXYZFormat) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+	/* Then convert to DD Format */
+	return(_XcmsDDConvertColors(ccc, pColors_in_out, nColors, newFormat,
+		pCompressed));
+    } else {
+	/*
+	 *    2. Device-Dependent to Device-Independent Conversion
+	 */
+	/* First convert to CIEXYZ */
+	if (_XcmsDDConvertColors(ccc, pColors_in_out, nColors,
+		XcmsCIEXYZFormat, pCompressed) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+	/* Then convert to DI Format */
+	return(_XcmsDIConvertColors(ccc, pColors_in_out, pWhitePt, nColors,
+		newFormat));
+    }
+}
diff --git a/nx-X11/lib/src/xcms/CvCols.c b/nx-X11/lib/src/xcms/CvCols.c
new file mode 100644
index 000000000..87d49311c
--- /dev/null
+++ b/nx-X11/lib/src/xcms/CvCols.c
@@ -0,0 +1,1030 @@
+
+/*
+ * 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
+ *		XcmsCvCols.c
+ *
+ *	DESCRIPTION
+ *		Xcms API routine that converts between the
+ *		device-independent color spaces.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *      LOCAL DEFINES
+ */
+#define	DD_FORMAT	0x01
+#define	DI_FORMAT	0x02
+#define	MIX_FORMAT	0x04
+#ifndef MAX
+#  define MAX(x,y) ((x) > (y) ? (x) : (y))
+#endif
+
+
+/************************************************************************
+ *									*
+ *			 PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		EqualCIEXYZ
+ *
+ *	SYNOPSIS
+ */
+static int
+EqualCIEXYZ(
+    XcmsColor *p1, XcmsColor *p2)
+/*
+ *	DESCRIPTION
+ *		Compares two XcmsColor structures that are in XcmsCIEXYZFormat
+ *
+ *	RETURNS
+ *		Returns 1 if equal; 0 otherwise.
+ *
+ */
+{
+    if (p1->format != XcmsCIEXYZFormat || p2->format != XcmsCIEXYZFormat) {
+	return(0);
+    }
+    if ((p1->spec.CIEXYZ.X != p2->spec.CIEXYZ.X)
+	    || (p1->spec.CIEXYZ.Y != p2->spec.CIEXYZ.Y)
+	    || (p1->spec.CIEXYZ.Z != p2->spec.CIEXYZ.Z)) {
+	return(0);
+    }
+    return(1);
+}
+
+
+/*
+ *	NAME
+ *		XcmsColorSpace
+ *
+ *	SYNOPSIS
+ */
+static XcmsColorSpace *
+ColorSpaceOfID(
+    XcmsCCC ccc,
+    XcmsColorFormat	id)
+/*
+ *	DESCRIPTION
+ *		Returns a pointer to the color space structure
+ *		(XcmsColorSpace) associated with the specified color space
+ *		ID.
+ *
+ *	RETURNS
+ *		Pointer to matching XcmsColorSpace structure if found;
+ *		otherwise NULL.
+ */
+{
+    XcmsColorSpace	**papColorSpaces;
+
+    if (ccc == NULL) {
+	return(NULL);
+    }
+
+    /*
+     * First try Device-Independent color spaces
+     */
+    papColorSpaces = _XcmsDIColorSpaces;
+    if (papColorSpaces != NULL) {
+	while (*papColorSpaces != NULL) {
+	    if ((*papColorSpaces)->id == id) {
+		return(*papColorSpaces);
+	    }
+	    papColorSpaces++;
+	}
+    }
+
+    /*
+     * Next try Device-Dependent color spaces
+     */
+    papColorSpaces = ((XcmsFunctionSet *)ccc->pPerScrnInfo->functionSet)->DDColorSpaces;
+    if (papColorSpaces != NULL) {
+	while (*papColorSpaces != NULL) {
+	    if ((*papColorSpaces)->id == id) {
+		return(*papColorSpaces);
+	    }
+	    papColorSpaces++;
+	}
+    }
+
+    return(NULL);
+}
+
+
+/*
+ *	NAME
+ *		ValidDIColorSpaceID
+ *
+ *	SYNOPSIS
+ */
+static int
+ValidDIColorSpaceID(
+    XcmsColorFormat id)
+/*
+ *	DESCRIPTION
+ *		Determines if the specified color space ID is a valid
+ *		Device-Independent color space in the specified Color
+ *		Conversion Context.
+ *
+ *	RETURNS
+ *		Returns zero if not valid; otherwise non-zero.
+ */
+{
+    XcmsColorSpace **papRec;
+    papRec = _XcmsDIColorSpaces;
+    if (papRec != NULL) {
+	while (*papRec != NULL) {
+	    if ((*papRec)->id == id) {
+		return(1);
+	    }
+	    papRec++;
+	}
+    }
+    return(0);
+}
+
+
+/*
+ *	NAME
+ *		ValidDDColorSpaceID
+ *
+ *	SYNOPSIS
+ */
+static int
+ValidDDColorSpaceID(
+    XcmsCCC ccc,
+    XcmsColorFormat id)
+/*
+ *	DESCRIPTION
+ *		Determines if the specified color space ID is a valid
+ *		Device-Dependent color space in the specified Color
+ *		Conversion Context.
+ *
+ *	RETURNS
+ *		Returns zero if not valid; otherwise non-zero.
+ */
+{
+    XcmsColorSpace **papRec;
+
+    if (ccc->pPerScrnInfo->state != XcmsInitNone) {
+	papRec = ((XcmsFunctionSet *)ccc->pPerScrnInfo->functionSet)->DDColorSpaces;
+	while (*papRec != NULL) {
+	    if ((*papRec)->id == id) {
+		return(1);
+	    }
+	    papRec++;
+	}
+    }
+    return(0);
+}
+
+
+/*
+ *	NAME
+ *		ConvertMixedColors - Convert XcmsColor structures
+ *
+ *	SYNOPSIS
+ */
+static Status
+ConvertMixedColors(
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    XcmsColor *pWhitePt,
+    unsigned int nColors,
+    XcmsColorFormat targetFormat,
+    unsigned char format_flag)
+/*
+ *	DESCRIPTION
+ *		This routine will only convert the following types of
+ *		batches:
+ *			DI to DI
+ *			DD to DD
+ *			DD to CIEXYZ
+ *		In other words, it will not convert the following types of
+ *		batches:
+ *			DI to DD
+ *			DD to DI(not CIEXYZ)
+ *
+ *		format_flag:
+ *		    0x01 : convert Device-Dependent only specifications to the
+ *			target format.
+ *		    0x02 : convert Device-Independent only specifications to the
+ *			target format.
+ *		    0x03 : convert all specifications to the target format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if none of the color specifications were
+ *			compressed in the conversion process
+ *		XcmsSuccessWithCompression if at least one of the
+ *			color specifications were compressed in the
+ *			conversion process.
+ *
+ */
+{
+    XcmsColor *pColor, *pColors_start;
+    XcmsColorFormat format;
+    Status retval_tmp;
+    Status retval = XcmsSuccess;
+    unsigned int iColors;
+    unsigned int nBatch;
+
+    /*
+     * Convert array of mixed color specifications in batches of
+     * contiguous formats to the target format
+     */
+    iColors = 0;
+    while (iColors < nColors) {
+	/*
+	 * Find contiguous array of color specifications with the
+	 * same format
+	 */
+	pColor = pColors_start = pColors_in_out + iColors;
+	format = pColors_start->format;
+	nBatch = 0;
+	while (iColors < nColors && pColor->format == format) {
+		pColor++;
+		nBatch++;
+		iColors++;
+	}
+	if (format != targetFormat) {
+	    /*
+	     * Need to convert this batch from current format to target format.
+	     */
+	    if (XCMS_DI_ID(format) && (format_flag & DI_FORMAT) &&
+		XCMS_DI_ID(targetFormat)) {
+		/*
+		 * DI->DI
+		 *
+		 * Format of interest is Device-Independent,
+		 * This batch contains Device-Independent specifications, and
+		 * the Target format is Device-Independent.
+		 */
+		retval_tmp = _XcmsDIConvertColors(ccc, pColors_start, pWhitePt,
+			nBatch, targetFormat);
+	    } else if (XCMS_DD_ID(format) && (format_flag & DD_FORMAT) &&
+		    (targetFormat == XcmsCIEXYZFormat)) {
+		/*
+		 * DD->CIEXYZ
+		 *
+		 * Format of interest is Device-Dependent,
+		 * This batch contains Device-Dependent specifications, and
+		 * the Target format is CIEXYZ.
+		 *
+		 * Since DD->CIEXYZ we can use NULL instead of pCompressed.
+		 */
+		if ((ccc->whitePtAdjProc != NULL) && !_XcmsEqualWhitePts(ccc,
+			pWhitePt, ScreenWhitePointOfCCC(ccc))) {
+		    /*
+		     * Need to call WhiteAdjustProc (Screen White Point to
+		     *   White Point).
+		     */
+		    retval_tmp = (*ccc->whitePtAdjProc)(ccc,
+			    ScreenWhitePointOfCCC(ccc), pWhitePt,
+			    XcmsCIEXYZFormat, pColors_start, nBatch,
+			    (Bool *)NULL);
+		} else {
+		    retval_tmp = _XcmsDDConvertColors(ccc, pColors_start,
+			    nBatch, XcmsCIEXYZFormat, (Bool *)NULL);
+		}
+	    } else if (XCMS_DD_ID(format) && (format_flag & DD_FORMAT) &&
+		    XCMS_DD_ID(targetFormat)) {
+		/*
+		 * DD->DD(not CIEXYZ)
+		 *
+		 * Format of interest is Device-Dependent,
+		 * This batch contains Device-Dependent specifications, and
+		 * the Target format is Device-Dependent and not CIEXYZ.
+		 */
+		retval_tmp = _XcmsDDConvertColors(ccc, pColors_start, nBatch,
+			targetFormat, (Bool *)NULL);
+	    } else {
+		/*
+		 * This routine is called for the wrong reason.
+		 */
+		return(XcmsFailure);
+	    }
+	    if (retval_tmp == XcmsFailure) {
+		return(XcmsFailure);
+	    }
+	    retval = MAX(retval, retval_tmp);
+	}
+    }
+    return(retval);
+}
+
+
+/************************************************************************
+ *									*
+ *			 API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		_XcmsEqualWhitePts
+ *
+ *	SYNOPSIS
+ */
+int
+_XcmsEqualWhitePts(XcmsCCC ccc, XcmsColor *pWhitePt1, XcmsColor *pWhitePt2)
+/*
+ *	DESCRIPTION
+ *
+ *	RETURNS
+ *		Returns 0 if not equal; otherwise 1.
+ *
+ */
+{
+    XcmsColor tmp1, tmp2;
+
+    memcpy((char *)&tmp1, (char *)pWhitePt1, sizeof(XcmsColor));
+    memcpy((char *)&tmp2, (char *)pWhitePt2, sizeof(XcmsColor));
+
+    if (tmp1.format != XcmsCIEXYZFormat) {
+	if (_XcmsDIConvertColors(ccc, &tmp1, (XcmsColor *) NULL, 1,
+		XcmsCIEXYZFormat)==0) {
+	    return(0);
+	}
+    }
+
+    if (tmp2.format != XcmsCIEXYZFormat) {
+	if (_XcmsDIConvertColors(ccc, &tmp2, (XcmsColor *) NULL, 1,
+		XcmsCIEXYZFormat)==0) {
+	    return(0);
+	}
+    }
+
+    return (EqualCIEXYZ(&tmp1, &tmp2));
+}
+
+
+/*
+ *	NAME
+ *		_XcmsDIConvertColors - Convert XcmsColor structures
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsDIConvertColors(
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    XcmsColor *pWhitePt,
+    unsigned int nColors,
+    XcmsColorFormat newFormat)
+/*
+ *	DESCRIPTION
+ *		Convert XcmsColor structures to another Device-Independent
+ *		form.
+ *
+ *		Here are some assumptions that this routine makes:
+ *		1. The calling routine has already checked if
+ *		    pColors_in_out->format == newFormat, therefore
+ *		    there is no need to check again here.
+ *		2. The calling routine has already checked nColors,
+ *		    therefore this routine assumes nColors > 0.
+ *		3. The calling routine may want to convert only between
+ *			CIExyY <-> CIEXYZ <-> CIEuvY
+ *		    therefore, this routine allows pWhitePt to equal NULL.
+ *
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    XcmsColorSpace *pFrom, *pTo;
+    XcmsDIConversionProc *src_to_CIEXYZ, *src_from_CIEXYZ;
+    XcmsDIConversionProc *dest_to_CIEXYZ, *dest_from_CIEXYZ;
+    XcmsDIConversionProc *to_CIEXYZ_stop, *from_CIEXYZ_start;
+    XcmsDIConversionProc *tmp;
+
+    /*
+     * Allow pWhitePt to equal NULL.  This appropriate when converting
+     *    anywhere between:
+     *		CIExyY <-> CIEXYZ <-> CIEuvY
+     */
+
+    if (pColors_in_out == NULL ||
+	    !ValidDIColorSpaceID(pColors_in_out->format) ||
+	    !ValidDIColorSpaceID(newFormat)) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Get a handle on the function list for the current specification format
+     */
+    if ((pFrom = ColorSpaceOfID(ccc, pColors_in_out->format))
+	    == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Get a handle on the function list for the new specification format
+     */
+    if ((pTo = ColorSpaceOfID(ccc, newFormat)) == NULL) {
+	return(XcmsFailure);
+    }
+
+    src_to_CIEXYZ = pFrom->to_CIEXYZ;
+    src_from_CIEXYZ = pFrom->from_CIEXYZ;
+    dest_to_CIEXYZ = pTo->to_CIEXYZ;
+    dest_from_CIEXYZ = pTo->from_CIEXYZ;
+
+    if (pTo->inverse_flag && pFrom->inverse_flag) {
+	/*
+	 * Find common function pointers
+	 */
+	for (to_CIEXYZ_stop = src_to_CIEXYZ; *to_CIEXYZ_stop; to_CIEXYZ_stop++){
+	    for (tmp = dest_to_CIEXYZ; *tmp; tmp++) {
+		if (*to_CIEXYZ_stop == *tmp) {
+		    goto Continue;
+		}
+	    }
+	}
+
+Continue:
+
+	/*
+	 * Execute the functions to CIEXYZ, stopping short as necessary
+	 */
+	while (src_to_CIEXYZ != to_CIEXYZ_stop) {
+	    if ((*src_to_CIEXYZ++)(ccc, pWhitePt, pColors_in_out,
+		    nColors) == XcmsFailure) {
+		return(XcmsFailure);
+	    }
+	}
+
+	/*
+	 * Determine where to start on the from_CIEXYZ path.
+	 */
+	from_CIEXYZ_start = dest_from_CIEXYZ;
+	tmp = src_from_CIEXYZ;
+	while ((*from_CIEXYZ_start == *tmp) && (*from_CIEXYZ_start != NULL)) {
+	    from_CIEXYZ_start++;
+	    tmp++;
+	}
+
+    } else {
+	/*
+	 * The function in at least one of the Color Spaces are not
+	 * complementary, i.e.,
+	 *	for an i, 0 <= i < n elements
+	 *	from_CIEXYZ[i] is not the inverse of to_CIEXYZ[i]
+	 *
+	 * Execute the functions all the way to CIEXYZ
+	 */
+	while (*src_to_CIEXYZ) {
+	    if ((*src_to_CIEXYZ++)(ccc, pWhitePt, pColors_in_out,
+		    nColors) == XcmsFailure) {
+		return(XcmsFailure);
+	    }
+	}
+
+	/*
+	 * Determine where to start on the from_CIEXYZ path.
+	 */
+	from_CIEXYZ_start = dest_from_CIEXYZ;
+    }
+
+
+    /*
+     * Execute the functions from CIEXYZ.
+     */
+    while (*from_CIEXYZ_start) {
+	if ((*from_CIEXYZ_start++)(ccc, pWhitePt, pColors_in_out,
+		nColors) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+    }
+
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		_XcmsDDConvertColors - Convert XcmsColor structures
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsDDConvertColors(
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    XcmsColorFormat newFormat,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Convert XcmsColor structures:
+ *
+ *		1. From CIEXYZ to Device-Dependent formats (typically RGB and
+ *			RGBi),
+ *		    or
+ *		2. Between Device-Dependent formats (typically RGB and RGBi).
+ *
+ *		Assumes that these specifications have already been white point
+ *		adjusted if necessary from Client White Point to Screen
+ *		White Point.  Therefore, the white point now associated
+ *		with the specifications is the Screen White Point.
+ *
+ *		pCompressed may be NULL.  If so this indicates that the
+ *		calling routine is not interested in knowing exactly which
+ *		color was compressed, if any.
+ *
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if none of the color specifications were
+ *			compressed in the conversion process
+ *		XcmsSuccessWithCompression if at least one of the
+ *			color specifications were compressed in the
+ *			conversion process.
+ *
+ */
+{
+    XcmsColorSpace *pFrom, *pTo;
+    XcmsDDConversionProc *src_to_CIEXYZ, *src_from_CIEXYZ;
+    XcmsDDConversionProc *dest_to_CIEXYZ, *dest_from_CIEXYZ;
+    XcmsDDConversionProc *from_CIEXYZ_start, *to_CIEXYZ_stop;
+    XcmsDDConversionProc *tmp;
+    int	retval;
+    int hasCompressed = 0;
+
+    if (ccc == NULL || pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+    if (nColors == 0 || pColors_in_out->format == newFormat) {
+	/* do nothing */
+	return(XcmsSuccess);
+    }
+
+    if (((XcmsFunctionSet *)ccc->pPerScrnInfo->functionSet) == NULL) {
+	return(XcmsFailure);	/* hmm, an internal error? */
+    }
+
+    /*
+     * Its ok if pColors_in_out->format == XcmsCIEXYZFormat
+     *	or
+     * if newFormat == XcmsCIEXYZFormat
+     */
+    if ( !( ValidDDColorSpaceID(ccc, pColors_in_out->format)
+	    ||
+	    (pColors_in_out->format == XcmsCIEXYZFormat))
+	 ||
+	 !(ValidDDColorSpaceID(ccc, newFormat)
+	    ||
+	    newFormat == XcmsCIEXYZFormat)) {
+	return(XcmsFailure);
+    }
+
+    if ((pFrom = ColorSpaceOfID(ccc, pColors_in_out->format)) == NULL){
+	return(XcmsFailure);
+    }
+
+    if ((pTo = ColorSpaceOfID(ccc, newFormat)) == NULL) {
+	return(XcmsFailure);
+    }
+
+    src_to_CIEXYZ = (XcmsDDConversionProc *)pFrom->to_CIEXYZ;
+    src_from_CIEXYZ = (XcmsDDConversionProc *)pFrom->from_CIEXYZ;
+    dest_to_CIEXYZ = (XcmsDDConversionProc *)pTo->to_CIEXYZ;
+    dest_from_CIEXYZ = (XcmsDDConversionProc *)pTo->from_CIEXYZ;
+
+    if (pTo->inverse_flag && pFrom->inverse_flag) {
+	/*
+	 * Find common function pointers
+	 */
+	for (to_CIEXYZ_stop = src_to_CIEXYZ; *to_CIEXYZ_stop; to_CIEXYZ_stop++){
+	    for (tmp = dest_to_CIEXYZ; *tmp; tmp++) {
+		if (*to_CIEXYZ_stop == *tmp) {
+		    goto Continue;
+		}
+	    }
+	}
+Continue:
+
+	/*
+	 * Execute the functions
+	 */
+	while (src_to_CIEXYZ != to_CIEXYZ_stop) {
+	    retval = (*src_to_CIEXYZ++)(ccc, pColors_in_out, nColors,
+		    pCompressed);
+	    if (retval == XcmsFailure) {
+		return(XcmsFailure);
+	    }
+	    hasCompressed |= (retval == XcmsSuccessWithCompression);
+	}
+
+	/*
+	 * Determine where to start on the from_CIEXYZ path.
+	 */
+	from_CIEXYZ_start = dest_from_CIEXYZ;
+	tmp = src_from_CIEXYZ;
+	while ((*from_CIEXYZ_start == *tmp) && (*from_CIEXYZ_start != NULL)) {
+	    from_CIEXYZ_start++;
+	    tmp++;
+	}
+
+    } else {
+	/*
+	 * The function in at least one of the Color Spaces are not
+	 * complementary, i.e.,
+	 *	for an i, 0 <= i < n elements
+	 *	from_CIEXYZ[i] is not the inverse of to_CIEXYZ[i]
+	 *
+	 * Execute the functions all the way to CIEXYZ
+	 */
+	while (*src_to_CIEXYZ) {
+	    retval = (*src_to_CIEXYZ++)(ccc, pColors_in_out, nColors,
+		    pCompressed);
+	    if (retval == XcmsFailure) {
+		return(XcmsFailure);
+	    }
+	    hasCompressed |= (retval == XcmsSuccessWithCompression);
+	}
+
+	/*
+	 * Determine where to start on the from_CIEXYZ path.
+	 */
+	from_CIEXYZ_start = dest_from_CIEXYZ;
+    }
+
+    while (*from_CIEXYZ_start) {
+	retval = (*from_CIEXYZ_start++)(ccc, pColors_in_out, nColors,
+		pCompressed);
+	if (retval == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+	hasCompressed |= (retval == XcmsSuccessWithCompression);
+    }
+
+    return(hasCompressed ? XcmsSuccessWithCompression : XcmsSuccess);
+}
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsConvertColors - Convert XcmsColor structures
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsConvertColors(
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    XcmsColorFormat targetFormat,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Convert XcmsColor structures to another format
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded without gamut compression,
+ *		XcmsSuccessWithCompression if succeeded with gamut
+ *			compression.
+ *
+ */
+{
+    XcmsColor clientWhitePt;
+    XcmsColor Color1;
+    XcmsColor *pColors_tmp;
+    int callWhiteAdjustProc = 0;
+    XcmsColorFormat format;
+    Status retval;
+    unsigned char contents_flag = 0x00;
+    unsigned int iColors;
+
+    if (ccc == NULL || pColors_in_out == NULL ||
+		!(ValidDIColorSpaceID(targetFormat) ||
+		ValidDDColorSpaceID(ccc, targetFormat))) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Check formats in color specification array
+     */
+    format = pColors_in_out->format;
+    for (pColors_tmp = pColors_in_out, iColors = nColors; iColors; pColors_tmp++, iColors--) {
+	if (!(ValidDIColorSpaceID(pColors_tmp->format) ||
+		ValidDDColorSpaceID(ccc, pColors_tmp->format))) {
+	    return(XcmsFailure);
+	}
+	if (XCMS_DI_ID(pColors_tmp->format)) {
+	    contents_flag |= DI_FORMAT;
+	} else {
+	    contents_flag |= DD_FORMAT;
+	}
+	if (pColors_tmp->format != format) {
+	    contents_flag |= MIX_FORMAT;
+	}
+    }
+
+    /*
+     * Check if we need the Client White Point.
+     */
+    if ((contents_flag & DI_FORMAT) || XCMS_DI_ID(targetFormat)) {
+	/* To proceed, we need to get the Client White Point */
+	memcpy((char *)&clientWhitePt, (char *)&ccc->clientWhitePt,
+	       sizeof(XcmsColor));
+	if (clientWhitePt.format == XcmsUndefinedFormat) {
+	    /*
+	     * Client White Point is undefined, therefore set to the Screen
+	     *   White Point.
+	     * Since Client White Point == Screen White Point, WhiteAdjustProc
+	     *   is not called.
+	     */
+	    memcpy((char *)&clientWhitePt,
+		   (char *)&ccc->pPerScrnInfo->screenWhitePt,
+		   sizeof(XcmsColor));
+	} else if ((ccc->whitePtAdjProc != NULL) && !_XcmsEqualWhitePts(ccc,
+		&clientWhitePt, ScreenWhitePointOfCCC(ccc))) {
+	    /*
+	     * Client White Point != Screen White Point, and WhiteAdjustProc
+	     *   is not NULL, therefore, will need to call it when
+	     *   converting between DI and DD specifications.
+	     */
+	    callWhiteAdjustProc = 1;
+	}
+    }
+
+    /*
+     * Make copy of array of color specifications
+     */
+    if (nColors > 1) {
+	pColors_tmp = Xmalloc(nColors * sizeof(XcmsColor));
+    } else {
+	pColors_tmp = &Color1;
+    }
+    memcpy((char *)pColors_tmp, (char *)pColors_in_out,
+	   nColors * sizeof(XcmsColor));
+
+    /*
+     * zero out pCompressed
+     */
+    if (pCompressed) {
+	bzero((char *)pCompressed, nColors * sizeof(Bool));
+    }
+
+    if (contents_flag == DD_FORMAT || contents_flag == DI_FORMAT) {
+	/*
+	 * ENTIRE ARRAY IS IN ONE FORMAT.
+	 */
+	if (XCMS_DI_ID(format) && XCMS_DI_ID(targetFormat)) {
+	    /*
+	     * DI-to-DI only conversion
+	     */
+	    retval = _XcmsDIConvertColors(ccc, pColors_tmp,
+		    &clientWhitePt, nColors, targetFormat);
+	} else if (XCMS_DD_ID(format) && XCMS_DD_ID(targetFormat)) {
+	    /*
+	     * DD-to-DD only conversion
+	     *   Since DD->DD there will be no compressed thus we can
+	     *   pass NULL instead of pCompressed.
+	     */
+	    retval = _XcmsDDConvertColors(ccc, pColors_tmp, nColors,
+		    targetFormat, (Bool *)NULL);
+	} else {
+	    /*
+	     * Otherwise we have:
+	     *    1. Device-Independent to Device-Dependent Conversion
+	     *		OR
+	     *    2. Device-Dependent to Device-Independent Conversion
+	     *
+	     *  We need to go from oldFormat -> CIEXYZ -> targetFormat
+	     *	adjusting for white points as necessary.
+	     */
+
+	    if (XCMS_DI_ID(format)) {
+		/*
+		 *    1. Device-Independent to Device-Dependent Conversion
+		 */
+		if (callWhiteAdjustProc) {
+		    /*
+		     * White Point Adjustment
+		     *		Client White Point to Screen White Point
+		     */
+		    retval = (*ccc->whitePtAdjProc)(ccc, &clientWhitePt,
+			    ScreenWhitePointOfCCC(ccc), targetFormat,
+			    pColors_tmp, nColors, pCompressed);
+		} else {
+		    if (_XcmsDIConvertColors(ccc, pColors_tmp,
+			    &clientWhitePt, nColors, XcmsCIEXYZFormat)
+			    == XcmsFailure) {
+			goto Failure;
+		    }
+		    retval = _XcmsDDConvertColors(ccc, pColors_tmp, nColors,
+			    targetFormat, pCompressed);
+		}
+	    } else {
+		/*
+		 *    2. Device-Dependent to Device-Independent Conversion
+		 */
+		if (callWhiteAdjustProc) {
+		    /*
+		     * White Point Adjustment
+		     *		Screen White Point to Client White Point
+		     */
+		    retval = (*ccc->whitePtAdjProc)(ccc,
+			    ScreenWhitePointOfCCC(ccc), &clientWhitePt,
+			    targetFormat, pColors_tmp, nColors, pCompressed);
+		} else {
+		    /*
+		     * Since DD->CIEXYZ, no compression takes place therefore
+		     * we can pass NULL instead of pCompressed.
+		     */
+		    if (_XcmsDDConvertColors(ccc, pColors_tmp, nColors,
+			    XcmsCIEXYZFormat, (Bool *)NULL) == XcmsFailure) {
+			goto Failure;
+		    }
+		    retval = _XcmsDIConvertColors(ccc, pColors_tmp,
+			    &clientWhitePt, nColors, targetFormat);
+		}
+	    }
+	}
+    } else {
+	/*
+	 * ARRAY HAS MIXED FORMATS.
+	 */
+	if ((contents_flag == (DI_FORMAT | MIX_FORMAT)) &&
+		XCMS_DI_ID(targetFormat)) {
+	    /*
+	     * Convert from DI to DI in batches of contiguous formats
+	     *
+	     * Because DI->DI, WhiteAdjustProc not called.
+	     */
+	    retval = ConvertMixedColors(ccc, pColors_tmp, &clientWhitePt,
+		    nColors, targetFormat, (unsigned char)DI_FORMAT);
+	} else if ((contents_flag == (DD_FORMAT | MIX_FORMAT)) &&
+		XCMS_DD_ID(targetFormat)) {
+	    /*
+	     * Convert from DD to DD in batches of contiguous formats
+	     *
+	     * Because DD->DD, WhiteAdjustProc not called.
+	     */
+	    retval = ConvertMixedColors(ccc, pColors_tmp,
+		    (XcmsColor *)NULL, nColors, targetFormat,
+		    (unsigned char)DD_FORMAT);
+	} else if (XCMS_DI_ID(targetFormat)) {
+	    /*
+	     * We need to convert from DI-to-DI and DD-to-DI, therefore
+	     *   1. convert DD specifications to CIEXYZ, then
+	     *   2. convert all in batches to the target DI format.
+	     *
+	     * Note that ConvertMixedColors will call WhiteAdjustProc
+	     * as necessary.
+	     */
+
+	    /*
+	     * Convert only DD specifications in batches of contiguous formats
+	     * to CIEXYZ
+	     *
+	     * Since DD->CIEXYZ, ConvertMixedColors will apply WhiteAdjustProc
+	     * if required.
+	     */
+	    retval = ConvertMixedColors(ccc, pColors_tmp, &clientWhitePt,
+		    nColors, XcmsCIEXYZFormat, (unsigned char)DD_FORMAT);
+
+	    /*
+	     * Because at this point we may have a mix of DI formats
+	     * (e.g., CIEXYZ, CIELuv) we must convert the specs to the
+	     * target DI format in batches of contiguous source formats.
+	     */
+	    retval = ConvertMixedColors(ccc, pColors_tmp, &clientWhitePt,
+		    nColors, targetFormat, (unsigned char)DI_FORMAT);
+	} else {
+	    /*
+	     * We need to convert from DI-to-DD and DD-to-DD, therefore
+	     *   1. convert DI specifications to CIEXYZ, then
+	     *   2. convert all to the DD target format.
+	     *
+	     *   This allows white point adjustment and gamut compression
+	     *	 to be applied to all the color specifications in one
+	     *   swoop if those functions do in fact modify the entire
+	     *   group of color specifications.
+	     */
+
+	    /*
+	     * Convert in batches to CIEXYZ
+	     *
+	     * If DD->CIEXYZ, ConvertMixedColors will apply WhiteAdjustProc
+	     * if required.
+	     */
+	    if ((retval = ConvertMixedColors(ccc, pColors_tmp, &clientWhitePt,
+		    nColors, XcmsCIEXYZFormat,
+		    (unsigned char)(DI_FORMAT | DD_FORMAT))) == XcmsFailure) {
+		goto Failure;
+	    }
+
+	    /*
+	     * Convert all specifications (now in CIEXYZ format) to
+	     * the target DD format.
+	     * Since CIEXYZ->DD, compression MAY take place therefore
+	     * we must pass pCompressed.
+	     * Note that WhiteAdjustProc must be used if necessary.
+	     */
+	    if (callWhiteAdjustProc) {
+		/*
+		 * White Point Adjustment
+		 *	Client White Point to Screen White Point
+		 */
+		retval = (*ccc->whitePtAdjProc)(ccc,
+			&clientWhitePt, ScreenWhitePointOfCCC(ccc),
+			targetFormat, pColors_tmp, nColors, pCompressed);
+	    } else {
+		retval = _XcmsDDConvertColors(ccc, pColors_tmp, nColors,
+			targetFormat, pCompressed);
+	    }
+	}
+    }
+
+    if (retval != XcmsFailure) {
+	memcpy((char *)pColors_in_out, (char *)pColors_tmp,
+	       nColors * sizeof(XcmsColor));
+    }
+    if (nColors > 1) {
+	Xfree(pColors_tmp);
+    }
+    return(retval);
+
+Failure:
+    if (nColors > 1) {
+	Xfree(pColors_tmp);
+    }
+    return(XcmsFailure);
+}
+
+
+/*
+ *	NAME
+ *		XcmsRegFormatOfPrefix
+ *
+ *	SYNOPSIS
+ */
+XcmsColorFormat
+_XcmsRegFormatOfPrefix(
+    _Xconst char *prefix)
+/*
+ *	DESCRIPTION
+ *		Returns a color space ID associated with the specified
+ *		X Consortium registered color space prefix.
+ *
+ *	RETURNS
+ *		The color space ID if found;
+ *		otherwise NULL.
+ */
+{
+    XcmsRegColorSpaceEntry *pEntry = _XcmsRegColorSpaces;
+
+    while (pEntry->prefix != NULL) {
+	if (strcmp(prefix, pEntry->prefix) == 0) {
+	    return(pEntry->id);
+	}
+	pEntry++;
+    }
+    return(XcmsUndefinedFormat);
+}
diff --git a/nx-X11/lib/src/xcms/HVC.c b/nx-X11/lib/src/xcms/HVC.c
new file mode 100644
index 000000000..98d7142c3
--- /dev/null
+++ b/nx-X11/lib/src/xcms/HVC.c
@@ -0,0 +1,625 @@
+
+/*
+ * 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.
+ *
+ *	NAME
+ *		TekHVC.c
+ *
+ *	DESCRIPTION
+ *		This file contains routines that support the TekHVC
+ *		color space to include conversions to and from the CIE
+ *		XYZ space.
+ *
+ *	DOCUMENTATION
+ *		"TekColor Color Management System, System Implementor's Manual"
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <nx-X11/Xos.h>
+#include <math.h>
+#include "Cv.h"
+
+#include <stdio.h>
+
+/*
+ *	DEFINES
+ */
+#define u_BR    0.7127          /* u' Best Red */
+#define v_BR    0.4931          /* v' Best Red */
+#define EPS     0.001
+#define CHROMA_SCALE_FACTOR   7.50725
+#ifndef PI
+#  ifdef M_PI
+#    define PI	M_PI
+#  else
+#    define PI       3.14159265358979323846264338327950
+#  endif
+#endif
+#ifndef degrees
+#  define degrees(r) ((XcmsFloat)(r) * 180.0 / PI)
+#endif /* degrees */
+#ifndef radians
+#  define radians(d) ((XcmsFloat)(d) * PI / 180.0)
+#endif /* radians */
+
+/*************************************************************************
+ * Note: The DBL_EPSILON for ANSI is 1e-5 so my checks need to take
+ *       this into account.  If your DBL_EPSILON is different then
+ *       adjust this define.
+ *
+ *       Also note that EPS is the error factor in the calculations
+ *       This may need to be the same as XMY_DBL_EPSILON in
+ *       some implementations.
+ **************************************************************************/
+#ifdef DBL_EPSILON
+#  define XMY_DBL_EPSILON DBL_EPSILON
+#else
+#  define XMY_DBL_EPSILON 0.00001
+#endif
+
+/*
+ *	FORWARD DECLARATIONS
+ */
+static int TekHVC_ParseString(register char *spec, XcmsColor *pColor);
+static Status XcmsTekHVC_ValidSpec(XcmsColor *pColor);
+
+/*
+ *	LOCAL VARIABLES
+ */
+
+    /*
+     * NULL terminated list of functions applied to get from TekHVC to CIEXYZ
+     */
+static XcmsConversionProc Fl_TekHVC_to_CIEXYZ[] = {
+    XcmsTekHVCToCIEuvY,
+    XcmsCIEuvYToCIEXYZ,
+    NULL
+};
+
+    /*
+     * NULL terminated list of functions applied to get from CIEXYZ to TekHVC
+     */
+static XcmsConversionProc Fl_CIEXYZ_to_TekHVC[] = {
+    XcmsCIEXYZToCIEuvY,
+    XcmsCIEuvYToTekHVC,
+    NULL
+};
+
+/*
+ *	GLOBALS
+ */
+
+    /*
+     * TekHVC Color Space
+     */
+XcmsColorSpace	XcmsTekHVCColorSpace =
+    {
+	_XcmsTekHVC_prefix,	/* prefix */
+	XcmsTekHVCFormat,		/* id */
+	TekHVC_ParseString,	/* parseString */
+	Fl_TekHVC_to_CIEXYZ,	/* to_CIEXYZ */
+	Fl_CIEXYZ_to_TekHVC,	/* from_CIEXYZ */
+	1
+    };
+
+
+
+
+/************************************************************************
+ *									*
+ *			 PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		TekHVC_ParseString
+ *
+ *	SYNOPSIS
+ */
+static int
+TekHVC_ParseString(
+    register char *spec,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		This routines takes a string and attempts to convert
+ *		it into a XcmsColor structure with XcmsTekHVCFormat.
+ *		The assumed TekHVC string syntax is:
+ *		    TekHVC:<H>/<V>/<C>
+ *		Where H, V, and C are in string input format for floats
+ *		consisting of:
+ *		    a. an optional sign
+ *		    b. a string of numbers possibly containing a decimal point,
+ *		    c. an optional exponent field containing an 'E' or 'e'
+ *			followed by a possibly signed integer string.
+ *
+ *	RETURNS
+ *		XcmsFailure if invalid;
+ *		XcmsSuccess if valid.
+ */
+{
+    size_t n;
+    char *pchar;
+
+    if ((pchar = strchr(spec, ':')) == NULL) {
+	return(XcmsFailure);
+    }
+    n = (size_t)(pchar - spec);
+
+    /*
+     * Check for proper prefix.
+     */
+    if (strncmp(spec, _XcmsTekHVC_prefix, n) != 0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Attempt to parse the value portion.
+     */
+    if (sscanf(spec + n + 1, "%lf/%lf/%lf",
+	    &pColor->spec.TekHVC.H,
+	    &pColor->spec.TekHVC.V,
+	    &pColor->spec.TekHVC.C) != 3) {
+        char *s; /* Maybe failed due to locale */
+        int f;
+        if ((s = strdup(spec))) {
+            for (f = 0; s[f]; ++f)
+                if (s[f] == '.')
+                    s[f] = ',';
+                else if (s[f] == ',')
+                    s[f] = '.';
+	    if (sscanf(s + n + 1, "%lf/%lf/%lf",
+		       &pColor->spec.TekHVC.H,
+		       &pColor->spec.TekHVC.V,
+		       &pColor->spec.TekHVC.C) != 3) {
+                free(s);
+                return(XcmsFailure);
+            }
+            free(s);
+        } else
+	    return(XcmsFailure);
+    }
+    pColor->format = XcmsTekHVCFormat;
+    pColor->pixel = 0;
+    return(XcmsTekHVC_ValidSpec(pColor));
+}
+
+
+/*
+ *	NAME
+ *		ThetaOffset -- compute thetaOffset
+ *
+ *	SYNOPSIS
+ */
+static int
+ThetaOffset(
+    XcmsColor *pWhitePt,
+    XcmsFloat *pThetaOffset)
+/*
+ *	DESCRIPTION
+ *		This routine computes the theta offset of a given
+ *		white point, i.e. XcmsColor.  It is used in both this
+ *		conversion and the printer conversions.
+ *
+ *	RETURNS
+ *		0 if failed.
+ *		1 if succeeded with no modifications.
+ *
+ *	ASSUMPTIONS
+ *		Assumes:
+ *			pWhitePt != NULL
+ *			pWhitePt->format == XcmsCIEuvYFormat
+ *
+ */
+{
+    double div, slopeuv;
+
+    if (pWhitePt == NULL || pWhitePt->format != XcmsCIEuvYFormat) {
+	return(0);
+    }
+
+    if ((div = u_BR - pWhitePt->spec.CIEuvY.u_prime) == 0.0) {
+	return(0);
+    }
+    slopeuv = (v_BR - pWhitePt->spec.CIEuvY.v_prime) / div;
+    *pThetaOffset = degrees(XCMS_ATAN(slopeuv));
+    return(1);
+}
+
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsTekHVC_ValidSpec()
+ *
+ *	SYNOPSIS
+ */
+static int
+XcmsTekHVC_ValidSpec(
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Checks if values in the color specification are valid.
+ *		Also brings hue into the range 0.0 <= Hue < 360.0
+ *
+ *	RETURNS
+ *		0 if not valid.
+ *		1 if valid.
+ *
+ */
+{
+    if (pColor->format != XcmsTekHVCFormat) {
+	return(XcmsFailure);
+    }
+    if (pColor->spec.TekHVC.V < (0.0 - XMY_DBL_EPSILON)
+	    || pColor->spec.TekHVC.V > (100.0 + XMY_DBL_EPSILON)
+	    || (pColor->spec.TekHVC.C < 0.0 - XMY_DBL_EPSILON)) {
+	return(XcmsFailure);
+    }
+
+    if (pColor->spec.TekHVC.V < 0.0) {
+	    pColor->spec.TekHVC.V = 0.0 + XMY_DBL_EPSILON;
+    } else if (pColor->spec.TekHVC.V > 100.0) {
+	pColor->spec.TekHVC.V = 100.0 - XMY_DBL_EPSILON;
+    }
+
+    if (pColor->spec.TekHVC.C < 0.0) {
+	pColor->spec.TekHVC.C = 0.0 - XMY_DBL_EPSILON;
+    }
+
+    while (pColor->spec.TekHVC.H < 0.0) {
+	pColor->spec.TekHVC.H += 360.0;
+    }
+    while (pColor->spec.TekHVC.H >= 360.0) {
+	pColor->spec.TekHVC.H -= 360.0;
+    }
+    return(XcmsSuccess);
+}
+
+/*
+ *	NAME
+ *		XcmsTekHVCToCIEuvY - convert TekHVC to CIEuvY
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsTekHVCToCIEuvY(
+    XcmsCCC ccc,
+    XcmsColor *pHVC_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Transforms an array of TekHVC color specifications, given
+ *		their associated white point, to CIECIEuvY.color
+ *		specifications.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed, XcmsSuccess otherwise.
+ *
+ */
+{
+    XcmsFloat	thetaOffset;
+    XcmsColor	*pColor = pColors_in_out;
+    XcmsColor	whitePt;
+    XcmsCIEuvY	uvY_return;
+    XcmsFloat	tempHue, u, v;
+    XcmsFloat	tmpVal;
+    unsigned int i;
+
+    /*
+     * Check arguments
+     */
+    if (pHVC_WhitePt == NULL || pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Make sure white point is in CIEuvY form
+     */
+    if (pHVC_WhitePt->format != XcmsCIEuvYFormat) {
+	/* Make copy of the white point because we're going to modify it */
+	memcpy((char *)&whitePt, (char *)pHVC_WhitePt, sizeof(XcmsColor));
+	if (!_XcmsDIConvertColors(ccc, &whitePt, (XcmsColor *)NULL, 1,
+		XcmsCIEuvYFormat)) {
+	    return(XcmsFailure);
+	}
+	pHVC_WhitePt = &whitePt;
+    }
+    /* Make sure it is a white point, i.e., Y == 1.0 */
+    if (pHVC_WhitePt->spec.CIEuvY.Y != 1.0) {
+	return(XcmsFailure);
+    }
+
+    /* Get the thetaOffset */
+    if (!ThetaOffset(pHVC_WhitePt, &thetaOffset)) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Now convert each XcmsColor structure to CIEXYZ form
+     */
+    for (i = 0; i < nColors; i++, pColor++) {
+
+	/* Make sure original format is TekHVC and is valid */
+	if (!XcmsTekHVC_ValidSpec(pColor)) {
+	    return(XcmsFailure);
+	}
+
+	if (pColor->spec.TekHVC.V == 0.0 || pColor->spec.TekHVC.V == 100.0) {
+	    if (pColor->spec.TekHVC.V == 100.0) {
+		uvY_return.Y = 1.0;
+	    } else { /* pColor->spec.TekHVC.V == 0.0 */
+		uvY_return.Y = 0.0;
+	    }
+	    uvY_return.u_prime = pHVC_WhitePt->spec.CIEuvY.u_prime;
+	    uvY_return.v_prime = pHVC_WhitePt->spec.CIEuvY.v_prime;
+	} else {
+
+	    /* Find the hue based on the white point offset */
+	    tempHue = pColor->spec.TekHVC.H + thetaOffset;
+
+	    while (tempHue < 0.0) {
+		tempHue += 360.0;
+	    }
+	    while (tempHue >= 360.0) {
+		tempHue -= 360.0;
+	    }
+
+	    tempHue = radians(tempHue);
+
+	    /* Calculate u'v' for the obtained hue */
+	    u = (XcmsFloat) ((XCMS_COS(tempHue) * pColor->spec.TekHVC.C) /
+		    (pColor->spec.TekHVC.V * (double)CHROMA_SCALE_FACTOR));
+	    v = (XcmsFloat) ((XCMS_SIN(tempHue) * pColor->spec.TekHVC.C) /
+		    (pColor->spec.TekHVC.V * (double)CHROMA_SCALE_FACTOR));
+
+	    /* Based on the white point get the offset from best red */
+	    uvY_return.u_prime = u + pHVC_WhitePt->spec.CIEuvY.u_prime;
+	    uvY_return.v_prime = v + pHVC_WhitePt->spec.CIEuvY.v_prime;
+
+	    /* Calculate the Y value based on the L* = V. */
+	    if (pColor->spec.TekHVC.V < 7.99953624) {
+		uvY_return.Y = pColor->spec.TekHVC.V / 903.29;
+	    } else {
+		tmpVal = (pColor->spec.TekHVC.V + 16.0) / 116.0;
+		uvY_return.Y = tmpVal * tmpVal * tmpVal; /* tmpVal ** 3 */
+	    }
+	}
+
+	/* Copy result to pColor */
+	memcpy((char *)&pColor->spec, (char *)&uvY_return, sizeof(XcmsCIEuvY));
+
+	/* Identify that the format is now CIEuvY */
+	pColor->format = XcmsCIEuvYFormat;
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsCIEuvYToTekHVC - convert CIEuvY to TekHVC
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIEuvYToTekHVC(
+    XcmsCCC ccc,
+    XcmsColor *pHVC_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Transforms an array of CIECIEuvY.color specifications, given
+ *		their assiciated white point, to TekHVC specifications.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed, XcmsSuccess otherwise.
+ *
+ */
+{
+    XcmsFloat	theta, L2, u, v, nThetaLow, nThetaHigh;
+    XcmsFloat	thetaOffset;
+    XcmsColor	*pColor = pColors_in_out;
+    XcmsColor	whitePt;
+    XcmsTekHVC	HVC_return;
+    unsigned int i;
+
+    /*
+     * Check arguments
+     */
+    if (pHVC_WhitePt == NULL || pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Make sure white point is in CIEuvY form
+     */
+    if (pHVC_WhitePt->format != XcmsCIEuvYFormat) {
+	/* Make copy of the white point because we're going to modify it */
+	memcpy((char *)&whitePt, (char *)pHVC_WhitePt, sizeof(XcmsColor));
+	if (!_XcmsDIConvertColors(ccc, &whitePt, (XcmsColor *)NULL, 1,
+		XcmsCIEuvYFormat)) {
+	    return(XcmsFailure);
+	}
+	pHVC_WhitePt = &whitePt;
+    }
+    /* Make sure it is a white point, i.e., Y == 1.0 */
+    if (pHVC_WhitePt->spec.CIEuvY.Y != 1.0) {
+	return(XcmsFailure);
+    }
+    if (!ThetaOffset(pHVC_WhitePt, &thetaOffset)) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Now convert each XcmsColor structure to CIEXYZ form
+     */
+    for (i = 0; i < nColors; i++, pColor++) {
+	if (!_XcmsCIEuvY_ValidSpec(pColor)) {
+	    return(XcmsFailure);
+	}
+
+	/* Use the white point offset to determine HVC */
+	u = pColor->spec.CIEuvY.u_prime - pHVC_WhitePt->spec.CIEuvY.u_prime;
+	v = pColor->spec.CIEuvY.v_prime - pHVC_WhitePt->spec.CIEuvY.v_prime;
+
+	/* Calculate the offset */
+	if (u == 0.0) {
+	    theta = 0.0;
+	} else {
+	    theta = v / u;
+	    theta = (XcmsFloat) XCMS_ATAN((double)theta);
+	    theta = degrees(theta);
+	}
+
+	nThetaLow = 0.0;
+	nThetaHigh = 360.0;
+	if (u > 0.0 && v > 0.0) {
+	    nThetaLow = 0.0;
+	    nThetaHigh = 90.0;
+	} else if (u < 0.0 && v > 0.0) {
+	    nThetaLow = 90.0;
+	    nThetaHigh = 180.0;
+	} else if (u < 0.0 && v < 0.0) {
+	    nThetaLow = 180.0;
+	    nThetaHigh = 270.0;
+	} else if (u > 0.0 && v < 0.0) {
+	    nThetaLow = 270.0;
+	    nThetaHigh = 360.0;
+	}
+	while (theta < nThetaLow) {
+		theta += 90.0;
+	}
+	while (theta >= nThetaHigh) {
+	    theta -= 90.0;
+	}
+
+	/* calculate the L value from the given Y */
+	L2 = (pColor->spec.CIEuvY.Y < 0.008856)
+	    ?
+	    (pColor->spec.CIEuvY.Y * 903.29)
+	    :
+	    ((XcmsFloat)(XCMS_CUBEROOT(pColor->spec.CIEuvY.Y) * 116.0) - 16.0);
+	HVC_return.C = L2 * CHROMA_SCALE_FACTOR * XCMS_SQRT((double) ((u * u) + (v * v)));
+	if (HVC_return.C < 0.0) {
+	    theta = 0.0;
+	}
+	HVC_return.V = L2;
+	HVC_return.H = theta - thetaOffset;
+
+	/*
+	 * If this is within the error margin let some other routine later
+	 * in the chain worry about the slop in the calculations.
+	 */
+	while (HVC_return.H < -EPS) {
+	    HVC_return.H += 360.0;
+	}
+	while (HVC_return.H >= 360.0 + EPS) {
+	    HVC_return.H -= 360.0;
+	}
+
+	/* Copy result to pColor */
+	memcpy((char *)&pColor->spec, (char *)&HVC_return, sizeof(XcmsTekHVC));
+
+	/* Identify that the format is now CIEuvY */
+	pColor->format = XcmsTekHVCFormat;
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		_XcmsTekHVC_CheckModify
+ *
+ *	SYNOPSIS
+ */
+int
+_XcmsTekHVC_CheckModify(
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Checks if values in the color specification are valid.
+ *		If they are not it modifies the values.
+ *		Also brings hue into the range 0.0 <= Hue < 360.0
+ *
+ *	RETURNS
+ *		0 if not valid.
+ *		1 if valid.
+ *
+ */
+{
+    int n;
+
+    /* For now only use the TekHVC numbers as inputs */
+    if (pColor->format != XcmsTekHVCFormat) {
+	return(0);
+    }
+
+    if (pColor->spec.TekHVC.V < 0.0) {
+	pColor->spec.TekHVC.V = 0.0 + XMY_DBL_EPSILON;
+    } else if (pColor->spec.TekHVC.V > 100.0) {
+	pColor->spec.TekHVC.V = 100.0 - XMY_DBL_EPSILON;
+    }
+
+    if (pColor->spec.TekHVC.C < 0.0) {
+	pColor->spec.TekHVC.C = 0.0 - XMY_DBL_EPSILON;
+    }
+
+    if (pColor->spec.TekHVC.H < 0.0) {
+	n = -pColor->spec.TekHVC.H / 360.0;
+	pColor->spec.TekHVC.H += (n + 1) * 360.0;
+	if (pColor->spec.TekHVC.H >= 360.0)
+	    pColor->spec.TekHVC.H -= 360.0;
+    } else if (pColor->spec.TekHVC.H >= 360.0) {
+	n = pColor->spec.TekHVC.H / 360.0;
+	pColor->spec.TekHVC.H -= n * 360.0;
+    }
+    return(1);
+}
diff --git a/nx-X11/lib/src/xcms/HVCGcC.c b/nx-X11/lib/src/xcms/HVCGcC.c
new file mode 100644
index 000000000..6d52eac63
--- /dev/null
+++ b/nx-X11/lib/src/xcms/HVCGcC.c
@@ -0,0 +1,149 @@
+
+/*
+ * 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.
+ *
+ *	NAME
+ *		TekHVCGcC.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsTekHVCClipC() gamut compression routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsTekHVCClipC - Reduce the chroma for a hue and value
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsTekHVCClipC (
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    unsigned int i,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Reduce the Chroma for a specific hue and value to
+ *		to bring the given color into the gamut of the
+ *		specified device.  As required of gamut compression
+ *		functions in Xcms, this routine returns pColor_in_out
+ *		in XcmsCIEXYZFormat on successful completion.
+ *
+ *		Since this routine works with the value within
+ *		pColor_in_out intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    Status retval;
+    XcmsColor *pColor;
+
+    /*
+     * Color specification passed as input can be assumed to:
+     *	1. Be in XcmsCIEXYZFormat
+     *	2. Already be white point adjusted for the Screen White Point.
+     *	    This means that the white point now associated with this
+     *	    color spec is the Screen White Point (even if the
+     *	    ccc->clientWhitePt differs).
+     */
+
+    /*
+     * Insure TekHVC installed
+     */
+    if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    pColor = pColors_in_out + i;
+
+    if (ccc->visual->class < StaticColor &&
+	    FunctionSetOfCCC(ccc) != (XPointer) &XcmsLinearRGBFunctionSet) {
+	/*
+	 * GRAY !
+	 */
+	_XcmsDIConvertColors(ccc, pColor, &ccc->pPerScrnInfo->screenWhitePt,
+		1, XcmsTekHVCFormat);
+	pColor->spec.TekHVC.H = pColor->spec.TekHVC.C = 0.0;
+	_XcmsDIConvertColors(ccc, pColor, &ccc->pPerScrnInfo->screenWhitePt,
+		1, XcmsCIEXYZFormat);
+	if (pCompressed) {
+	    *(pCompressed + i) = True;
+	}
+	return(XcmsSuccess);
+    } else {
+	if (pColor->format != XcmsTekHVCFormat) {
+	    if (_XcmsDIConvertColors(ccc, pColor,
+		    &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsTekHVCFormat)
+		    == XcmsFailure) {
+		return(XcmsFailure);
+	    }
+	}
+	if (XcmsTekHVCQueryMaxC(ccc,
+		pColor->spec.TekHVC.H,
+		pColor->spec.TekHVC.V,
+		pColor)
+		== XcmsFailure) {
+	    return(XcmsFailure);
+	}
+	retval = _XcmsDIConvertColors(ccc, pColor,
+		&ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat);
+	if (retval != XcmsFailure && pCompressed != NULL) {
+	    *(pCompressed + i) = True;
+	}
+	return(retval);
+    }
+}
diff --git a/nx-X11/lib/src/xcms/HVCGcV.c b/nx-X11/lib/src/xcms/HVCGcV.c
new file mode 100644
index 000000000..0752a0724
--- /dev/null
+++ b/nx-X11/lib/src/xcms/HVCGcV.c
@@ -0,0 +1,201 @@
+
+/*
+ * 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.
+ *
+ *	NAME
+ *		TekHVCGcV.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsTekHVCClipV() gamut compression routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsTekHVCClipV - Return the closest value
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsTekHVCClipV (
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    unsigned int i,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Return the closest value for a specific hue and chroma.
+ *		This routine takes any color as input and outputs
+ *		a CIE XYZ color.
+ *
+ *		Since this routine works with the value within
+ *		pColor_in_out intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsColor  *pColor;
+    XcmsColor  hvc_max;
+    XcmsCCCRec myCCC;
+    Status retval;
+
+    /*
+     * Insure TekHVC installed
+     */
+    if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;/* Inherit Screen WP */
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut compression */
+
+    /*
+     * Color specification passed as input can be assumed to:
+     *	1. Be in XcmsCIEXYZFormat
+     *	2. Already be white point adjusted for the Screen White Point.
+     *	    This means that the white point now associated with this
+     *	    color spec is the Screen White Point (even if the
+     *	    ccc->clientWhitePt differs).
+     */
+
+    pColor = pColors_in_out + i;
+
+    if (ccc->visual->class < StaticColor &&
+	    FunctionSetOfCCC(ccc) != (XPointer) &XcmsLinearRGBFunctionSet) {
+	/*
+	 * GRAY !
+	 */
+	return(XcmsFailure);
+    } else {
+	/* Convert from CIEXYZ to TekHVC format */
+	if (_XcmsDIConvertColors(&myCCC, pColor,
+		&myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsTekHVCFormat)
+		== XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	/* check to make sure we have a valid TekHVC number */
+	if (!_XcmsTekHVC_CheckModify (pColor)) {
+	    return (XcmsFailure);
+	}
+
+	/* Step 1: compute the maximum value and chroma for this hue. */
+	/*         This copy may be overkill but it preserves the pixel etc. */
+	memcpy((char *)&hvc_max, (char *)pColor, sizeof(XcmsColor));
+	if (_XcmsTekHVCQueryMaxVCRGB (&myCCC, hvc_max.spec.TekHVC.H, &hvc_max,
+		(XcmsRGBi *)NULL) == XcmsFailure) {
+	    return (XcmsFailure);
+	}
+
+	/* Now check and return the appropriate value */
+	if (pColor->spec.TekHVC.C == hvc_max.spec.TekHVC.C) {
+	    /* When the chroma input is equal to the maximum chroma */
+	    /* merely return the value for that chroma. */
+	    pColor->spec.TekHVC.V = hvc_max.spec.TekHVC.V;
+	    if (!_XcmsTekHVC_CheckModify (pColor)) {
+		return (XcmsFailure);
+	    }
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		    &myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat);
+	} else if (pColor->spec.TekHVC.C > hvc_max.spec.TekHVC.C) {
+	    /* When the chroma input is greater than the maximum chroma */
+	    /* merely return the value and chroma for the given hue. */
+	    pColor->spec.TekHVC.C = hvc_max.spec.TekHVC.C;
+	    pColor->spec.TekHVC.V = hvc_max.spec.TekHVC.V;
+	    return (XcmsFailure);
+	} else if (pColor->spec.TekHVC.V < hvc_max.spec.TekHVC.V) {
+	    /* When the value input is less than the maximum value point */
+	    /* compute the intersection of the line from 0,0 to max_V, max_C */
+	    /* using the chroma input. */
+	    pColor->spec.TekHVC.V = pColor->spec.TekHVC.C *
+				    hvc_max.spec.TekHVC.V / hvc_max.spec.TekHVC.C;
+	    if (pColor->spec.TekHVC.V >= hvc_max.spec.TekHVC.V) {
+		pColor->spec.TekHVC.C = hvc_max.spec.TekHVC.C;
+		pColor->spec.TekHVC.V = hvc_max.spec.TekHVC.V;
+	    }
+	    if (!_XcmsTekHVC_CheckModify (pColor)) {
+		return (XcmsFailure);
+	    }
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		    &myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat);
+	} else {
+	    /* When the value input is greater than the maximum value point */
+	    /* use HvcMaxValue to find the maximum value for the given chroma. */
+	    if (pColor->format != XcmsTekHVCFormat) {
+		if (_XcmsDIConvertColors(ccc, pColor,
+			&ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat)
+			== XcmsFailure) {
+		    return(XcmsFailure);
+		}
+	    }
+	    if (XcmsTekHVCQueryMaxV(&myCCC,
+		    pColor->spec.TekHVC.H,
+		    pColor->spec.TekHVC.C,
+		    pColor)
+		    == XcmsFailure) {
+		return (XcmsFailure);
+	    }
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		    &myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat);
+	}
+	if (retval != XcmsFailure && pCompressed != NULL) {
+	    *(pCompressed + i) = True;
+	}
+	return(retval);
+    }
+}
diff --git a/nx-X11/lib/src/xcms/HVCGcVC.c b/nx-X11/lib/src/xcms/HVCGcVC.c
new file mode 100644
index 000000000..7ace5f13f
--- /dev/null
+++ b/nx-X11/lib/src/xcms/HVCGcVC.c
@@ -0,0 +1,262 @@
+
+/*
+ * 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.
+ *
+ *	NAME
+ *		TekHVCGcVC.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsTekHVCClipVC() gamut
+ *		compression function.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	INTERNALS
+ *		Internal defines that need NOT be exported to any package or
+ *		program using this package.
+ */
+#define MAXBISECTCOUNT	100
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsTekHVCClipVC - Return the closest value and chroma
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsTekHVCClipVC (
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    unsigned int i,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		This routine will find the closest value and chroma
+ *		for a specific hue.  The color input is converted to
+ *		HVC format and returned as CIE XYZ format.
+ *
+ *		Since this routine works with the value within
+ *		pColor_in_out intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    Status retval;
+    XcmsCCCRec	myCCC;
+    XcmsColor  *pColor;
+    XcmsColor  hvc_max;
+    XcmsRGBi   rgb_max;
+    int	      nCount, nMaxCount, nI, nILast;
+    XcmsFloat  Chroma, Value, bestChroma, bestValue, nT, saveDist, tmpDist;
+
+    /*
+     * Insure TekHVC installed
+     */
+    if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;/* inherit screen white pt */
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut compression func */
+
+    /*
+     * Color specification passed as input can be assumed to:
+     *	1. Be in XcmsCIEXYZFormat
+     *	2. Already be white point adjusted for the Screen White Point.
+     *	    This means that the white point now associated with this
+     *	    color spec is the Screen White Point (even if the
+     *	    ccc->clientWhitePt differs).
+     */
+
+    pColor = pColors_in_out + i;
+
+    if (ccc->visual->class < StaticColor &&
+	    FunctionSetOfCCC(ccc) != (XPointer) &XcmsLinearRGBFunctionSet) {
+	/*
+	 * GRAY !
+	 */
+	_XcmsDIConvertColors(ccc, pColor, &ccc->pPerScrnInfo->screenWhitePt,
+		1, XcmsTekHVCFormat);
+	pColor->spec.TekHVC.H = pColor->spec.TekHVC.C = 0.0;
+	_XcmsDIConvertColors(ccc, pColor, &ccc->pPerScrnInfo->screenWhitePt,
+		1, XcmsCIEXYZFormat);
+	if (pCompressed) {
+	    *(pCompressed + i) = True;
+	}
+	return(XcmsSuccess);
+    } else {
+	/* Convert from CIEXYZ to TekHVC format */
+	if (_XcmsDIConvertColors(&myCCC, pColor,
+		&myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsTekHVCFormat)
+		== XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	if (!_XcmsTekHVC_CheckModify(pColor)) {
+	    return (XcmsFailure);
+	}
+
+	/* Step 1: compute the maximum value and chroma for this hue. */
+	/*         This copy may be overkill but it preserves the pixel etc. */
+	memcpy((char *)&hvc_max, (char *)pColor, sizeof(XcmsColor));
+	if (_XcmsTekHVCQueryMaxVCRGB (&myCCC, hvc_max.spec.TekHVC.H, &hvc_max,
+		&rgb_max) == XcmsFailure) {
+	    return (XcmsFailure);
+	}
+
+	/* Now check and return the appropriate value */
+	if (pColor->spec.TekHVC.V == hvc_max.spec.TekHVC.V) {
+	    /* When the value input is equal to the maximum value */
+	    /* merely return the chroma for that value. */
+	    pColor->spec.TekHVC.C = hvc_max.spec.TekHVC.C;
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		    &myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat);
+	}
+
+	if (pColor->spec.TekHVC.V < hvc_max.spec.TekHVC.V) {
+	    /* return the intersection of the perpindicular line through     */
+	    /* the value and chroma given and the line from 0,0 and hvc_max. */
+	    Chroma = pColor->spec.TekHVC.C;
+	    Value = pColor->spec.TekHVC.V;
+	    pColor->spec.TekHVC.C =
+	       (Value + (hvc_max.spec.TekHVC.C / hvc_max.spec.TekHVC.V * Chroma)) /
+	       ((hvc_max.spec.TekHVC.V / hvc_max.spec.TekHVC.C) +
+		(hvc_max.spec.TekHVC.C / hvc_max.spec.TekHVC.V));
+	    if (pColor->spec.TekHVC.C >= hvc_max.spec.TekHVC.C) {
+		pColor->spec.TekHVC.C = hvc_max.spec.TekHVC.C;
+		pColor->spec.TekHVC.V = hvc_max.spec.TekHVC.V;
+	    } else {
+		pColor->spec.TekHVC.V = pColor->spec.TekHVC.C *
+				    hvc_max.spec.TekHVC.V / hvc_max.spec.TekHVC.C;
+	    }
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		    &myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat);
+
+	    if (retval != XcmsFailure && pCompressed != NULL) {
+		*(pCompressed + i) = True;
+	    }
+	    return (retval);
+	}
+
+	/* return the closest point on the upper part of the hue leaf. */
+	/* must do a bisection here to compute the delta e. */
+	nMaxCount = MAXBISECTCOUNT;
+	nI =     nMaxCount / 2;
+	bestValue = Value =  pColor->spec.TekHVC.V;
+	bestChroma = Chroma = pColor->spec.TekHVC.C;
+	saveDist = (XcmsFloat) XCMS_SQRT ((double) (((Chroma - hvc_max.spec.TekHVC.C) *
+					       (Chroma - hvc_max.spec.TekHVC.C)) +
+					      ((Value - hvc_max.spec.TekHVC.V) *
+					       (Value - hvc_max.spec.TekHVC.V))));
+	for (nCount = 0; nCount < nMaxCount; nCount++) {
+	    nT = (XcmsFloat) nI / (XcmsFloat) nMaxCount;
+	    pColor->spec.RGBi.red   = rgb_max.red * (1.0 - nT) + nT;
+	    pColor->spec.RGBi.green = rgb_max.green * (1.0 - nT) + nT;
+	    pColor->spec.RGBi.blue  = rgb_max.blue * (1.0 - nT) + nT;
+	    pColor->format = XcmsRGBiFormat;
+
+	    /* Convert from RGBi to HVC */
+	    if (_XcmsConvertColorsWithWhitePt(&myCCC, pColor,
+		    &myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsTekHVCFormat,
+		    (Bool *) NULL)
+		    == XcmsFailure) {
+		return (XcmsFailure);
+	    }
+	    if (!_XcmsTekHVC_CheckModify(pColor)) {
+		return (XcmsFailure);
+	    }
+	    tmpDist = (XcmsFloat) XCMS_SQRT ((double)
+			(((Chroma - pColor->spec.TekHVC.C) *
+			  (Chroma - pColor->spec.TekHVC.C)) +
+			 ((Value - pColor->spec.TekHVC.V) *
+			  (Value - pColor->spec.TekHVC.V))));
+	    nILast = nI;
+	    if (tmpDist > saveDist) {
+		nI /= 2;
+	    } else {
+		nI = (nMaxCount + nI) / 2;
+		saveDist = tmpDist;
+		bestValue = pColor->spec.TekHVC.V;
+		bestChroma = pColor->spec.TekHVC.C;
+	    }
+	    if (nI == nILast || nI == 0) {
+		break;
+	    }
+
+	}
+
+	if (bestChroma >= hvc_max.spec.TekHVC.C) {
+	    pColor->spec.TekHVC.C = hvc_max.spec.TekHVC.C;
+	    pColor->spec.TekHVC.V = hvc_max.spec.TekHVC.V;
+	} else {
+	    pColor->spec.TekHVC.C = bestChroma;
+	    pColor->spec.TekHVC.V = bestValue;
+	}
+	if (!_XcmsTekHVC_CheckModify(pColor)) {
+	    return (XcmsFailure);
+	}
+	retval = _XcmsDIConvertColors(&myCCC, pColor,
+		&myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat);
+
+	if (retval != XcmsFailure && pCompressed != NULL) {
+	    *(pCompressed + i) = True;
+	}
+	return(retval);
+    }
+}
diff --git a/nx-X11/lib/src/xcms/HVCMnV.c b/nx-X11/lib/src/xcms/HVCMnV.c
new file mode 100644
index 000000000..10a9f857a
--- /dev/null
+++ b/nx-X11/lib/src/xcms/HVCMnV.c
@@ -0,0 +1,163 @@
+
+/*
+ * 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.
+ *
+ *	NAME
+ *		TekHVCMnV.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsTekHVCQueryMinV gamut boundary querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define EPS	    0.001
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsTekHVCQueryMinV - Compute minimum value for hue and chroma
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsTekHVCQueryMinV (
+    XcmsCCC ccc,
+    XcmsFloat hue,
+    XcmsFloat chroma,
+    XcmsColor *pColor_return)
+
+/*
+ *	DESCRIPTION
+ *		Return the minimum value for a specific hue, and the
+ *		corresponding chroma.  The input color specification
+ *		may be in any format, however output is in XcmsTekHVCFormat.
+ *
+ *		Since this routine works with the value within
+ *		pColor_return intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *		XcmsSuccess - Succeeded with no modifications
+ *
+ */
+{
+    XcmsCCCRec myCCC;
+    XcmsColor tmp;
+    XcmsColor max_vc;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Insure TekHVC installed
+     */
+    if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;/* inherit screen white pt */
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut comp func */
+
+    tmp.spec.TekHVC.H = hue;
+    tmp.spec.TekHVC.V = 100.0;
+    tmp.spec.TekHVC.C = chroma;
+    tmp.pixel = pColor_return->pixel;
+    tmp.format = XcmsTekHVCFormat;
+
+
+    /* Check for a valid HVC */
+    if (!_XcmsTekHVC_CheckModify (&tmp)) {
+	return(XcmsFailure);
+    }
+
+    /* Step 1: compute the maximum value and chroma for this hue. */
+    /*         This copy may be overkill but it preserves the pixel etc. */
+    memcpy((char *)&max_vc, (char *)&tmp, sizeof(XcmsColor));
+    if (_XcmsTekHVCQueryMaxVCRGB (&myCCC, max_vc.spec.TekHVC.H, &max_vc,
+	    (XcmsRGBi *)NULL) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* Step 2: find the intersection with the maximum hvc and chroma line. */
+    if (tmp.spec.TekHVC.C > max_vc.spec.TekHVC.C + EPS) {
+	/* If the chroma is to large then return maximum hvc. */
+	tmp.spec.TekHVC.C = max_vc.spec.TekHVC.C;
+	tmp.spec.TekHVC.V = max_vc.spec.TekHVC.V;
+    } else {
+	tmp.spec.TekHVC.V = tmp.spec.TekHVC.C *
+		max_vc.spec.TekHVC.V / max_vc.spec.TekHVC.C;
+	if (tmp.spec.TekHVC.V > max_vc.spec.TekHVC.V) {
+	    tmp.spec.TekHVC.V = max_vc.spec.TekHVC.V;
+	} else if (tmp.spec.TekHVC.V < 0.0) {
+	    tmp.spec.TekHVC.V = tmp.spec.TekHVC.C = 0.0;
+	}
+    }
+    if (_XcmsTekHVC_CheckModify (&tmp)) {
+	memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+	return(XcmsSuccess);
+    } else {
+	return(XcmsFailure);
+    }
+}
diff --git a/nx-X11/lib/src/xcms/HVCMxC.c b/nx-X11/lib/src/xcms/HVCMxC.c
new file mode 100644
index 000000000..074844ccc
--- /dev/null
+++ b/nx-X11/lib/src/xcms/HVCMxC.c
@@ -0,0 +1,243 @@
+
+/*
+ * 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.
+ *
+ *	NAME
+ *		TekHVCMxC.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsTekHVCQueryMaxC() gamut boudary
+ *		querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MAXBISECTCOUNT	100
+#define EPS	        0.001
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsTekHVCQueryMaxC - Compute the maximum chroma for a hue and value
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsTekHVCQueryMaxC(
+    XcmsCCC ccc,
+    XcmsFloat hue,
+    XcmsFloat value,
+    XcmsColor *pColor_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum chroma for a specific hue and value.
+ *		The returned format is in XcmsTekHVCFormat.
+ *
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsCCCRec	myCCC;
+    XcmsColor  tmp;
+    XcmsColor  max_vc;
+    XcmsRGBi   rgb_saved;
+    int nCount, nMaxCount;
+    XcmsFloat nValue, savedValue, lastValue, lastChroma, prevValue;
+    XcmsFloat maxDist, nT, rFactor;
+    XcmsFloat ftmp1, ftmp2;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Insure TekHVC installed
+     */
+    if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat; /* inherit screen white Pt */
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut comp func */
+
+    tmp.spec.TekHVC.H = hue;
+    tmp.spec.TekHVC.V = value;
+    tmp.spec.TekHVC.C = 100.0;
+    tmp.pixel = pColor_return->pixel;
+    tmp.format = XcmsTekHVCFormat;
+
+    /* check to make sure we have a valid TekHVC number */
+    if (!_XcmsTekHVC_CheckModify(&tmp)) {
+	return(XcmsFailure);
+    }
+
+    /* Step 1: compute the maximum value and chroma for this hue. */
+    memcpy((char *)&max_vc, (char *)&tmp, sizeof(XcmsColor));
+    if (_XcmsTekHVCQueryMaxVCRGB(&myCCC, hue, &max_vc, &rgb_saved)
+	    == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* Step 2: If the value is less than the value for the maximum */
+    /*         value, chroma point then the chroma is on the line  */
+    /*         from max_vc to 0,0. */
+    if (value <= max_vc.spec.TekHVC.V) {
+	tmp.spec.TekHVC.C = value
+			      * max_vc.spec.TekHVC.C / max_vc.spec.TekHVC.V;
+	if (_XcmsTekHVC_CheckModify (&tmp)) {
+	    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+	    return(XcmsSuccess);
+	} else {
+	    return(XcmsFailure);
+	}
+    } else {
+	/* must do a bisection here to compute the maximum chroma */
+	/* save the structure input so that any elements that */
+	/* are not touched are recopied later in the routine. */
+	nValue = savedValue = value;
+	lastChroma = -1.0;
+	lastValue = -1.0;
+	nMaxCount = MAXBISECTCOUNT;
+	maxDist = 100.0 - max_vc.spec.TekHVC.V;
+	rFactor = 1.0;
+
+	for (nCount = 0; nCount < nMaxCount; nCount++) {
+	    prevValue =  lastValue;
+	    lastValue =  tmp.spec.TekHVC.V;
+	    lastChroma = tmp.spec.TekHVC.C;
+	    nT = (nValue - max_vc.spec.TekHVC.V) / maxDist * rFactor;
+	    tmp.spec.RGBi.red = rgb_saved.red * (1.0 - nT) + nT;
+	    tmp.spec.RGBi.green = rgb_saved.green * (1.0 - nT) + nT;
+	    tmp.spec.RGBi.blue  = rgb_saved.blue * (1.0 - nT) + nT;
+	    tmp.format = XcmsRGBiFormat;
+
+	    /* convert from RGB to HVC */
+	    if (_XcmsConvertColorsWithWhitePt(&myCCC, &tmp,
+		    &myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsTekHVCFormat,
+		    (Bool *) NULL) == XcmsFailure) {
+		return(XcmsFailure);
+	    }
+
+	    /* Now check the return against what is expected */
+	    if (tmp.spec.TekHVC.V <= savedValue + EPS &&
+		tmp.spec.TekHVC.V >= savedValue - EPS) {
+		/* make sure to return the input hue */
+		tmp.spec.TekHVC.H = hue;
+		if (_XcmsTekHVC_CheckModify (&tmp)) {
+		    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+		    return(XcmsSuccess);
+		} else {
+		    return(XcmsFailure);
+		}
+	    }
+	    nValue += savedValue - tmp.spec.TekHVC.V;
+	    if (nValue < max_vc.spec.TekHVC.V) {
+		nValue = max_vc.spec.TekHVC.V;
+		rFactor *= 0.5;  /* selective relaxation employed */
+	    } else if (nValue > 100.0) {
+		/* make sure to return the input hue */
+		tmp.spec.TekHVC.H = hue;
+		/* avoid using fabs */
+		ftmp1 = lastValue - savedValue;
+		if (ftmp1 < 0.0)
+		    ftmp1 = -ftmp1;
+		ftmp2 = tmp.spec.TekHVC.V - savedValue;
+		if (ftmp2 < 0.0)
+		    ftmp2 = -ftmp2;
+		if (ftmp1 < ftmp2) {
+		    tmp.spec.TekHVC.V = lastValue;
+		    tmp.spec.TekHVC.C = lastChroma;
+		}
+		if (_XcmsTekHVC_CheckModify (&tmp)) {
+		    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+		    return(XcmsSuccess);
+		} else {
+		    return(XcmsFailure);
+		}
+	    } else if (tmp.spec.TekHVC.V <= prevValue + EPS &&
+		       tmp.spec.TekHVC.V >= prevValue - EPS) {
+		rFactor *= 0.5;  /* selective relaxation employed */
+	    }
+	}
+	if (nCount >= nMaxCount) {
+	    /* avoid using fabs */
+	    ftmp1 = lastValue - savedValue;
+	    if (ftmp1 < 0.0)
+		ftmp1 = -ftmp1;
+	    ftmp2 = tmp.spec.TekHVC.V - savedValue;
+	    if (ftmp2 < 0.0)
+		ftmp2 = -ftmp2;
+	    if (ftmp1 < ftmp2) {
+		tmp.spec.TekHVC.V = lastValue;
+		tmp.spec.TekHVC.C = lastChroma;
+	    }
+	}
+    }
+    /* make sure to return the input hue */
+    tmp.spec.TekHVC.H = hue;
+    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/HVCMxV.c b/nx-X11/lib/src/xcms/HVCMxV.c
new file mode 100644
index 000000000..d5ef94ec5
--- /dev/null
+++ b/nx-X11/lib/src/xcms/HVCMxV.c
@@ -0,0 +1,247 @@
+
+/*
+ * 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.
+ *
+ *	NAME
+ *		TekHVCMxV.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsTekHVCQueryMaxV() gamut boundary
+ *		querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MAXBISECTCOUNT	100
+#define EPS	    0.001
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsTekHVCQueryMaxV - Compute maximum value for a hue and chroma
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsTekHVCQueryMaxV(
+    XcmsCCC ccc,
+    XcmsFloat hue,
+    XcmsFloat chroma,
+    XcmsColor *pColor_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum value for a specified hue and chroma.
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded with no modifications
+ *
+ */
+{
+    XcmsCCCRec myCCC;
+    XcmsColor   tmp;
+    XcmsColor   max_vc;
+    XcmsRGBi    rgb_saved;
+    int         nCount, nMaxCount;
+    XcmsFloat   nT, nChroma, savedChroma, lastValue, lastChroma, prevChroma;
+    XcmsFloat   rFactor;
+    XcmsFloat	ftmp1, ftmp2;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Insure TekHVC installed
+     */
+    if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* setup the CCC to use for the conversions. */
+    memcpy ((char *) &myCCC, (char *) ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc) NULL;
+
+    tmp.spec.TekHVC.H = hue;
+    tmp.spec.TekHVC.V = 0.0;
+    tmp.spec.TekHVC.C = chroma;
+    tmp.pixel = pColor_return->pixel;
+    tmp.format = XcmsTekHVCFormat;
+
+    if (!_XcmsTekHVC_CheckModify (&tmp)) {
+	return(XcmsFailure);
+    }
+
+    /* Step 1: compute the maximum value and chroma for this hue. */
+    /*         This copy may be overkill but it preserves the pixel etc. */
+    memcpy((char *)&max_vc, (char *)&tmp, sizeof(XcmsColor));
+    hue = max_vc.spec.TekHVC.H;
+    if (_XcmsTekHVCQueryMaxVCRGB(&myCCC, max_vc.spec.TekHVC.H, &max_vc, &rgb_saved)
+	    == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    if (max_vc.spec.TekHVC.C < tmp.spec.TekHVC.C) {
+	/*
+	 *  If the chroma is greater than the chroma for the
+	 *  maximum value/chroma point then the value is the
+	 *  the value for the maximum value, chroma point.
+	 *  This is an error but it I return the best approximation I can.
+         *  Thus the inconsistency.
+	 */
+	tmp.spec.TekHVC.C = max_vc.spec.TekHVC.C;
+	tmp.spec.TekHVC.V = max_vc.spec.TekHVC.V;
+	memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+	return(XcmsSuccess);
+    } else if (max_vc.spec.TekHVC.C == tmp.spec.TekHVC.C) {
+	/*
+	 *  If the chroma is equal to the chroma for the
+	 *  maximum value/chroma point then the value is the
+	 *  the value for the maximum value, chroma point.
+	 */
+	tmp.spec.TekHVC.V = max_vc.spec.TekHVC.V;
+	memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+	return(XcmsSuccess);
+    } else {
+	/* must do a bisection here to compute the maximum value */
+	/* save the structure input so that any elements that */
+	/* are not touched are recopied later in the routine. */
+	nChroma = savedChroma = tmp.spec.TekHVC.C;
+	tmp.spec.TekHVC.C = max_vc.spec.TekHVC.C;
+	tmp.spec.TekHVC.V = max_vc.spec.TekHVC.V;
+	lastChroma = -1.0;
+	lastValue = -1.0;
+	nMaxCount = MAXBISECTCOUNT;
+	rFactor = 1.0;
+
+	for (nCount = 0; nCount < nMaxCount; nCount++) {
+	    prevChroma = lastChroma;
+	    lastValue =  tmp.spec.TekHVC.V;
+	    lastChroma = tmp.spec.TekHVC.C;
+	    nT = (1.0 - (nChroma / max_vc.spec.TekHVC.C)) * rFactor;
+	    tmp.spec.RGBi.red   = rgb_saved.red * (1.0 - nT) + nT;
+	    tmp.spec.RGBi.green = rgb_saved.green * (1.0 - nT) + nT;
+	    tmp.spec.RGBi.blue  = rgb_saved.blue * (1.0 - nT) + nT;
+	    tmp.format = XcmsRGBiFormat;
+
+	    /* convert from RGB to HVC */
+	    if (_XcmsConvertColorsWithWhitePt(&myCCC, &tmp,
+		    &myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsTekHVCFormat,
+		    (Bool *) NULL) == XcmsFailure) {
+		return(XcmsFailure);
+	    }
+
+	    /* Now check the return against what is expected */
+	    if (tmp.spec.TekHVC.C <= savedChroma + EPS &&
+		tmp.spec.TekHVC.C >= savedChroma - EPS) {
+		tmp.spec.TekHVC.H = hue;  /* use the saved hue */
+		memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+		return(XcmsSuccess);
+	    }
+	    nChroma += savedChroma - tmp.spec.TekHVC.C;
+	    if (nChroma > max_vc.spec.TekHVC.C) {
+		nChroma = max_vc.spec.TekHVC.C;
+		rFactor *= 0.5;  /* selective relaxation employed */
+	    } else if (nChroma < 0.0) {
+		/* avoid using fabs */
+		ftmp1 = lastChroma - savedChroma;
+		if (ftmp1 < 0.0)
+		    ftmp1 = -ftmp1;
+		ftmp2 = tmp.spec.TekHVC.C - savedChroma;
+		if (ftmp2 < 0.0)
+		    ftmp2 = -ftmp2;
+		if (ftmp1 < ftmp2) {
+		    tmp.spec.TekHVC.V = lastValue;
+		    tmp.spec.TekHVC.C = lastChroma;
+		}
+		/* make sure to return the input hue */
+		tmp.spec.TekHVC.H = hue;
+		if (!_XcmsTekHVC_CheckModify(&tmp)) {
+		    return(XcmsFailure);
+		}
+		memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+		return(XcmsSuccess);
+	    } else if (tmp.spec.TekHVC.C <= prevChroma + EPS &&
+		       tmp.spec.TekHVC.C >= prevChroma - EPS) {
+		rFactor *= 0.5;  /* selective relaxation employed */
+	    }
+	}
+	if (nCount >= nMaxCount) {
+	    /* avoid using fabs */
+	    ftmp1 = lastChroma - savedChroma;
+	    if (ftmp1 < 0.0)
+		ftmp1 = -ftmp1;
+	    ftmp2 = tmp.spec.TekHVC.C - savedChroma;
+	    if (ftmp2 < 0.0)
+		ftmp2 = -ftmp2;
+	    if (ftmp1 < ftmp2) {
+		    tmp.spec.TekHVC.V = lastValue;
+		    tmp.spec.TekHVC.C = lastChroma;
+	    }
+	}
+    }
+
+    /* make sure to return the input hue */
+    tmp.spec.TekHVC.H = hue;
+    memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/HVCMxVC.c b/nx-X11/lib/src/xcms/HVCMxVC.c
new file mode 100644
index 000000000..c7e087866
--- /dev/null
+++ b/nx-X11/lib/src/xcms/HVCMxVC.c
@@ -0,0 +1,235 @@
+
+/*
+ * 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.
+ *
+ *	NAME
+ *		TekHVCMxVC.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsTekHVCQueryMaxVC() gamut boundary
+ *		querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MIN(x,y) ((x) > (y) ? (y) : (x))
+#define MIN3(x,y,z) ((x) > (MIN((y), (z))) ? (MIN((y), (z))) : (x))
+#define MAX(x,y) ((x) > (y) ? (x) : (y))
+#define MAX3(x,y,z) ((x) > (MAX((y), (z))) ? (x) : (MAX((y), (z))))
+#define START_V	    40.0
+#define START_C	    120.0
+
+
+/************************************************************************
+ *									*
+ *			 API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		_XcmsTekHVCQueryMaxVCRGB - Compute maximum value/chroma.
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsTekHVCQueryMaxVCRGB(
+    XcmsCCC	ccc,
+    XcmsFloat	hue,
+    XcmsColor   *pColor_return,
+    XcmsRGBi    *pRGB_return)
+
+/*
+ *	DESCRIPTION
+ *		Return the maximum chroma for a specified hue, and the
+ *		corresponding value.  This is computed by a binary search of
+ *		all possible chromas.  An assumption is made that there are
+ *		no local maxima.  Use the unrounded Max Chroma because
+ *		the difference check can be small.
+ *
+ *		NOTE:  No local CCC is used because this is a private
+ *		       routine and all routines that call it are expected
+ *		       to behave properly, i.e. send a local CCC with
+ *		       no white adjust function and no gamut compression
+ *		       function.
+ *
+ *		This routine only accepts hue as input and outputs
+ *		HVC's and RGBi's.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *		XCMS_SUCCUSS - Succeeded
+ *
+ */
+{
+    XcmsFloat nSmall, nLarge;
+    XcmsColor tmp;
+
+    tmp.format = XcmsTekHVCFormat;
+    tmp.spec.TekHVC.H = hue;
+    /*  Use some unreachable color on the given hue */
+    tmp.spec.TekHVC.V = START_V;
+    tmp.spec.TekHVC.C = START_C;
+
+
+    /*
+     * Convert from HVC to RGB
+     *
+     * Note that the CIEXYZ to RGBi conversion routine must stuff the
+     * out of bounds RGBi values in tmp when the ccc->gamutCompProc
+     * is NULL.
+     */
+    if ((_XcmsConvertColorsWithWhitePt(ccc, &tmp,
+	    &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsRGBiFormat, (Bool *) NULL)
+	    == XcmsFailure) && tmp.format != XcmsRGBiFormat) {
+	return (XcmsFailure);
+    }
+
+    /* Now pick the smallest RGB */
+    nSmall = MIN3(tmp.spec.RGBi.red,
+		  tmp.spec.RGBi.green,
+		  tmp.spec.RGBi.blue);
+    /* Make the smallest RGB equal to zero */
+    tmp.spec.RGBi.red   -= nSmall;
+    tmp.spec.RGBi.green -= nSmall;
+    tmp.spec.RGBi.blue  -= nSmall;
+
+    /* Now pick the largest RGB */
+    nLarge = MAX3(tmp.spec.RGBi.red,
+		  tmp.spec.RGBi.green,
+		  tmp.spec.RGBi.blue);
+    /* Scale the RGB values based on the largest one */
+    tmp.spec.RGBi.red   /= nLarge;
+    tmp.spec.RGBi.green /= nLarge;
+    tmp.spec.RGBi.blue  /= nLarge;
+    tmp.format = XcmsRGBiFormat;
+
+    /* If the calling routine wants RGB value give them the ones used. */
+    if (pRGB_return) {
+	pRGB_return->red   = tmp.spec.RGBi.red;
+	pRGB_return->green = tmp.spec.RGBi.green;
+	pRGB_return->blue  = tmp.spec.RGBi.blue;
+    }
+
+    /* Convert from RGBi to HVC */
+    if (_XcmsConvertColorsWithWhitePt(ccc, &tmp,
+	    &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsTekHVCFormat, (Bool *) NULL)
+	    == XcmsFailure) {
+	return (XcmsFailure);
+    }
+
+    /* make sure to return the input hue */
+    tmp.spec.TekHVC.H = hue;
+    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+    return (XcmsSuccess);
+}
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsTekHVCQueryMaxVC - Compute maximum value and chroma.
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsTekHVCQueryMaxVC (
+    XcmsCCC ccc,
+    XcmsFloat hue,
+    XcmsColor *pColor_return)
+
+/*
+ *	DESCRIPTION
+ *		Return the maximum chroma for the specified hue, and the
+ *		corresponding value.
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *		XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsCCCRec myCCC;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Insure TekHVC installed
+     */
+    if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;
+
+    while (hue < 0.0) {
+	hue += 360.0;
+    }
+    while (hue >= 360.0) {
+	hue -= 360.0;
+    }
+
+    return(_XcmsTekHVCQueryMaxVCRGB (&myCCC, hue, pColor_return,
+	    (XcmsRGBi *)NULL));
+}
diff --git a/nx-X11/lib/src/xcms/HVCMxVs.c b/nx-X11/lib/src/xcms/HVCMxVs.c
new file mode 100644
index 000000000..540e5c2f4
--- /dev/null
+++ b/nx-X11/lib/src/xcms/HVCMxVs.c
@@ -0,0 +1,161 @@
+
+/*
+ * 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.
+ *
+ *	NAME
+ *		TekHVCMxVs.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsTekHVCQueryMaxVSamples() gamut boundary
+ *		querying routine.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsTekHVCQueryMaxVSamples - Compute a set of value/chroma
+ *						pairs.
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsTekHVCQueryMaxVSamples(
+    XcmsCCC ccc,
+    XcmsFloat hue,
+    XcmsColor *pColor_in_out,
+    unsigned int nSamples)
+
+/*
+ *	DESCRIPTION
+ *		Return a set of values and chromas for the input Hue.
+ *		This routine will take any color as input.
+ *		It returns TekHVC colors.
+ *
+ *		Since this routine works with the value within
+ *		pColor_in_out intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *		XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsCCCRec myCCC;
+    XcmsColor *pHVC;
+    XcmsRGBi rgb_saved;
+    unsigned short nI;
+    XcmsFloat nT;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_in_out == NULL || nSamples == 0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Insure TekHVC installed
+     */
+    if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* setup the CCC to use for the conversions. */
+    memcpy ((char *) &myCCC, (char *) ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc) NULL;
+
+    /* Step 1: compute the maximum value and chroma for this hue. */
+
+
+    /* save the Hue for use later. */
+    while (hue < 0.0) {
+	hue += 360.0;
+    }
+    while (hue > 360.0) {
+	hue -= 360.0;
+    }
+    pColor_in_out->spec.TekHVC.H = hue;
+    pColor_in_out->format = XcmsTekHVCFormat;
+
+    /* Get the maximum value and chroma point for this hue */
+    if (_XcmsTekHVCQueryMaxVCRGB(&myCCC, pColor_in_out->spec.TekHVC.H,
+	    pColor_in_out, (XcmsRGBi *)&rgb_saved) == XcmsFailure) {
+	return (XcmsFailure);
+    }
+
+    /* Step 2:  Convert each of the RGBi's to HVC's */
+    pHVC = pColor_in_out;
+    for (nI = 0; nI < nSamples; nI++, pHVC++) {
+	nT = (XcmsFloat) nI / (XcmsFloat) nSamples;
+	pHVC->spec.RGBi.red   = rgb_saved.red * (1.0 - nT) + nT;
+	pHVC->spec.RGBi.green = rgb_saved.green * (1.0 - nT) + nT;
+	pHVC->spec.RGBi.blue  = rgb_saved.blue * (1.0 - nT) + nT;
+	pHVC->format          = XcmsRGBiFormat;
+	pHVC->pixel           = pColor_in_out->pixel;
+	/* convert from RGB to HVC */
+	if (_XcmsConvertColorsWithWhitePt(&myCCC, pHVC,
+		&myCCC.pPerScrnInfo->screenWhitePt, 1, XcmsTekHVCFormat,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	/* make sure to return the input hue */
+	pHVC->spec.TekHVC.H = hue;
+    }
+
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/HVCWpAj.c b/nx-X11/lib/src/xcms/HVCWpAj.c
new file mode 100644
index 000000000..dcefe7535
--- /dev/null
+++ b/nx-X11/lib/src/xcms/HVCWpAj.c
@@ -0,0 +1,114 @@
+
+/*
+ * 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.
+ */
+
+#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));
+}
diff --git a/nx-X11/lib/src/xcms/IdOfPr.c b/nx-X11/lib/src/xcms/IdOfPr.c
new file mode 100644
index 000000000..9f43dd387
--- /dev/null
+++ b/nx-X11/lib/src/xcms/IdOfPr.c
@@ -0,0 +1,106 @@
+
+/*
+ * 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
+ *		XcmsIdOfPr.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsFormatOfPrefix()
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/*
+ *	NAME
+ *		XcmsFormatOfPrefix
+ *
+ *	SYNOPSIS
+ */
+XcmsColorFormat
+XcmsFormatOfPrefix(char *prefix)
+/*
+ *	DESCRIPTION
+ *		Returns the Color Space ID for the specified prefix
+ *		if the color space is found in the Color Conversion
+ *		Context.
+ *
+ *	RETURNS
+ *		Color Space ID if found; zero otherwise.
+ */
+{
+    XcmsColorSpace	**papColorSpaces;
+    char		string_buf[64];
+    char		*string_lowered;
+    size_t		len;
+
+    /*
+     * While copying prefix to string_lowered, convert to lowercase
+     */
+    if ((len = strlen(prefix)) >= sizeof(string_buf)) {
+	string_lowered = Xmalloc(len+1);
+    } else {
+	string_lowered = string_buf;
+    }
+    _XcmsCopyISOLatin1Lowered(string_lowered, prefix);
+
+    /*
+     * First try Device-Independent color spaces
+     */
+    papColorSpaces = _XcmsDIColorSpaces;
+    if (papColorSpaces != NULL) {
+	while (*papColorSpaces != NULL) {
+	    if (strcmp((*papColorSpaces)->prefix, string_lowered) == 0) {
+		if (len >= sizeof(string_buf)) Xfree(string_lowered);
+		return((*papColorSpaces)->id);
+	    }
+	    papColorSpaces++;
+	}
+    }
+
+    /*
+     * Next try Device-Dependent color spaces
+     */
+    papColorSpaces = _XcmsDDColorSpaces;
+    if (papColorSpaces != NULL) {
+	while (*papColorSpaces != NULL) {
+	    if (strcmp((*papColorSpaces)->prefix, string_lowered) == 0) {
+		if (len >= sizeof(string_buf)) Xfree(string_lowered);
+		return((*papColorSpaces)->id);
+	    }
+	    papColorSpaces++;
+	}
+    }
+
+    if (len >= sizeof(string_buf)) Xfree(string_lowered);
+    return(XcmsUndefinedFormat);
+}
diff --git a/nx-X11/lib/src/xcms/LRGB.c b/nx-X11/lib/src/xcms/LRGB.c
new file mode 100644
index 000000000..38cc6cfb4
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LRGB.c
@@ -0,0 +1,1841 @@
+
+/*
+ * 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
+ *		XcmsLRGB.c
+ *
+ *	DESCRIPTION
+ *		This file contains the conversion routines:
+ *		    1. CIE XYZ to RGB intensity
+ *		    2. RGB intensity to device RGB
+ *		    3. device RGB to RGB intensity
+ *		    4. RGB intensity to CIE XYZ
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <nx-X11/Xos.h>
+#include <nx-X11/Xatom.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *      LOCAL DEFINES
+ *		#define declarations local to this package.
+ */
+#define EPS	0.001
+#ifndef MIN
+#define MIN(x,y) ((x) > (y) ? (y) : (x))
+#endif /* MIN */
+#ifndef MAX
+#define MAX(x,y) ((x) > (y) ? (x) : (y))
+#endif /* MAX */
+#ifndef MIN3
+#define MIN3(x,y,z) ((x) > (MIN((y), (z))) ? (MIN((y), (z))) : (x))
+#endif /* MIN3 */
+#ifndef MAX3
+#define MAX3(x,y,z) ((x) > (MAX((y), (z))) ? (x) : (MAX((y), (z))))
+#endif /* MAX3 */
+
+/*
+ *      LOCAL TYPEDEFS
+ *              typedefs local to this package (for use with local vars).
+ *
+ */
+
+/*
+ *      FORWARD DECLARATIONS
+ */
+static void LINEAR_RGB_FreeSCCData(XPointer pScreenDataTemp);
+static int LINEAR_RGB_InitSCCData(Display *dpy,
+    int screenNumber, XcmsPerScrnInfo *pPerScrnInfo);
+static int XcmsLRGB_RGB_ParseString(register char *spec, XcmsColor *pColor);
+static int XcmsLRGB_RGBi_ParseString(register char *spec, XcmsColor *pColor);
+static Status
+_XcmsGetTableType0(
+    IntensityTbl *pTbl,
+    int	  format,
+    char **pChar,
+    unsigned long *pCount);
+static Status
+_XcmsGetTableType1(
+    IntensityTbl *pTbl,
+    int	  format,
+    char **pChar,
+    unsigned long *pCount);
+
+/*
+ *      LOCALS VARIABLES
+ *		Variables local to this package.
+ *		    Usage example:
+ *		        static int	ExampleLocalVar;
+ */
+
+static unsigned short const MASK[17] = {
+    0x0000,	/*  0 bitsPerRGB */
+    0x8000,	/*  1 bitsPerRGB */
+    0xc000,	/*  2 bitsPerRGB */
+    0xe000,	/*  3 bitsPerRGB */
+    0xf000,	/*  4 bitsPerRGB */
+    0xf800,	/*  5 bitsPerRGB */
+    0xfc00,	/*  6 bitsPerRGB */
+    0xfe00,	/*  7 bitsPerRGB */
+    0xff00,	/*  8 bitsPerRGB */
+    0xff80,	/*  9 bitsPerRGB */
+    0xffc0,	/* 10 bitsPerRGB */
+    0xffe0,	/* 11 bitsPerRGB */
+    0xfff0,	/* 12 bitsPerRGB */
+    0xfff8,	/* 13 bitsPerRGB */
+    0xfffc,	/* 14 bitsPerRGB */
+    0xfffe,	/* 15 bitsPerRGB */
+    0xffff	/* 16 bitsPerRGB */
+};
+
+
+    /*
+     * A NULL terminated array of function pointers that when applied
+     * in series will convert an XcmsColor structure from XcmsRGBFormat
+     * to XcmsCIEXYZFormat.
+     */
+static XcmsConversionProc Fl_RGB_to_CIEXYZ[] = {
+    (XcmsConversionProc)XcmsRGBToRGBi,
+    (XcmsConversionProc)XcmsRGBiToCIEXYZ,
+    NULL
+};
+
+    /*
+     * A NULL terminated array of function pointers that when applied
+     * in series will convert an XcmsColor structure from XcmsCIEXYZFormat
+     * to XcmsRGBFormat.
+     */
+static XcmsConversionProc Fl_CIEXYZ_to_RGB[] = {
+    (XcmsConversionProc)XcmsCIEXYZToRGBi,
+    (XcmsConversionProc)XcmsRGBiToRGB,
+    NULL
+};
+
+    /*
+     * A NULL terminated array of function pointers that when applied
+     * in series will convert an XcmsColor structure from XcmsRGBiFormat
+     * to XcmsCIEXYZFormat.
+     */
+static XcmsConversionProc Fl_RGBi_to_CIEXYZ[] = {
+    (XcmsConversionProc)XcmsRGBiToCIEXYZ,
+    NULL
+};
+
+    /*
+     * A NULL terminated array of function pointers that when applied
+     * in series will convert an XcmsColor structure from XcmsCIEXYZFormat
+     * to XcmsRGBiFormat.
+     */
+static XcmsConversionProc Fl_CIEXYZ_to_RGBi[] = {
+    (XcmsConversionProc)XcmsCIEXYZToRGBi,
+    NULL
+};
+
+    /*
+     * RGBi Color Spaces
+     */
+XcmsColorSpace	XcmsRGBiColorSpace =
+    {
+	_XcmsRGBi_prefix,	/* prefix */
+	XcmsRGBiFormat,		/* id */
+	XcmsLRGB_RGBi_ParseString,	/* parseString */
+	Fl_RGBi_to_CIEXYZ,	/* to_CIEXYZ */
+	Fl_CIEXYZ_to_RGBi,	/* from_CIEXYZ */
+	1
+    };
+
+    /*
+     * RGB Color Spaces
+     */
+XcmsColorSpace	XcmsRGBColorSpace =
+    {
+	_XcmsRGB_prefix,		/* prefix */
+	XcmsRGBFormat,		/* id */
+	XcmsLRGB_RGB_ParseString,	/* parseString */
+	Fl_RGB_to_CIEXYZ,	/* to_CIEXYZ */
+	Fl_CIEXYZ_to_RGB,	/* from_CIEXYZ */
+	1
+    };
+
+    /*
+     * Device-Independent Color Spaces known to the
+     * LINEAR_RGB Screen Color Characteristics Function Set.
+     */
+static XcmsColorSpace	*DDColorSpaces[] = {
+    &XcmsRGBColorSpace,
+    &XcmsRGBiColorSpace,
+    NULL
+};
+
+
+/*
+ *      GLOBALS
+ *              Variables declared in this package that are allowed
+ *		to be used globally.
+ */
+
+    /*
+     * LINEAR_RGB Screen Color Characteristics Function Set.
+     */
+XcmsFunctionSet	XcmsLinearRGBFunctionSet =
+    {
+	&DDColorSpaces[0],	/* pDDColorSpaces */
+	LINEAR_RGB_InitSCCData,	/* pInitScrnFunc */
+	LINEAR_RGB_FreeSCCData	/* pFreeSCCData */
+    };
+
+/*
+ *	DESCRIPTION
+ *		Contents of Default SCCData should be replaced if other
+ *		data should be used as default.
+ *
+ *
+ */
+
+/*
+ * NAME		Tektronix 19" (Sony) CRT
+ * PART_NUMBER		119-2451-00
+ * MODEL		Tek4300, Tek4800
+ */
+
+static IntensityRec const Default_RGB_RedTuples[] = {
+    /* {unsigned short value, XcmsFloat intensity} */
+            { 0x0000,    0.000000 },
+            { 0x0909,    0.000000 },
+            { 0x0a0a,    0.000936 },
+            { 0x0f0f,    0.001481 },
+            { 0x1414,    0.002329 },
+            { 0x1919,    0.003529 },
+            { 0x1e1e,    0.005127 },
+            { 0x2323,    0.007169 },
+            { 0x2828,    0.009699 },
+            { 0x2d2d,    0.012759 },
+            { 0x3232,    0.016392 },
+            { 0x3737,    0.020637 },
+            { 0x3c3c,    0.025533 },
+            { 0x4141,    0.031119 },
+            { 0x4646,    0.037431 },
+            { 0x4b4b,    0.044504 },
+            { 0x5050,    0.052373 },
+            { 0x5555,    0.061069 },
+            { 0x5a5a,    0.070624 },
+            { 0x5f5f,    0.081070 },
+            { 0x6464,    0.092433 },
+            { 0x6969,    0.104744 },
+            { 0x6e6e,    0.118026 },
+            { 0x7373,    0.132307 },
+            { 0x7878,    0.147610 },
+            { 0x7d7d,    0.163958 },
+            { 0x8282,    0.181371 },
+            { 0x8787,    0.199871 },
+            { 0x8c8c,    0.219475 },
+            { 0x9191,    0.240202 },
+            { 0x9696,    0.262069 },
+            { 0x9b9b,    0.285089 },
+            { 0xa0a0,    0.309278 },
+            { 0xa5a5,    0.334647 },
+            { 0xaaaa,    0.361208 },
+            { 0xafaf,    0.388971 },
+            { 0xb4b4,    0.417945 },
+            { 0xb9b9,    0.448138 },
+            { 0xbebe,    0.479555 },
+            { 0xc3c3,    0.512202 },
+            { 0xc8c8,    0.546082 },
+            { 0xcdcd,    0.581199 },
+            { 0xd2d2,    0.617552 },
+            { 0xd7d7,    0.655144 },
+            { 0xdcdc,    0.693971 },
+            { 0xe1e1,    0.734031 },
+            { 0xe6e6,    0.775322 },
+            { 0xebeb,    0.817837 },
+            { 0xf0f0,    0.861571 },
+            { 0xf5f5,    0.906515 },
+            { 0xfafa,    0.952662 },
+            { 0xffff,    1.000000 }
+};
+
+static IntensityRec const Default_RGB_GreenTuples[] = {
+    /* {unsigned short value, XcmsFloat intensity} */
+            { 0x0000,    0.000000 },
+            { 0x1313,    0.000000 },
+            { 0x1414,    0.000832 },
+            { 0x1919,    0.001998 },
+            { 0x1e1e,    0.003612 },
+            { 0x2323,    0.005736 },
+            { 0x2828,    0.008428 },
+            { 0x2d2d,    0.011745 },
+            { 0x3232,    0.015740 },
+            { 0x3737,    0.020463 },
+            { 0x3c3c,    0.025960 },
+            { 0x4141,    0.032275 },
+            { 0x4646,    0.039449 },
+            { 0x4b4b,    0.047519 },
+            { 0x5050,    0.056520 },
+            { 0x5555,    0.066484 },
+            { 0x5a5a,    0.077439 },
+            { 0x5f5f,    0.089409 },
+            { 0x6464,    0.102418 },
+            { 0x6969,    0.116485 },
+            { 0x6e6e,    0.131625 },
+            { 0x7373,    0.147853 },
+            { 0x7878,    0.165176 },
+            { 0x7d7d,    0.183604 },
+            { 0x8282,    0.203140 },
+            { 0x8787,    0.223783 },
+            { 0x8c8c,    0.245533 },
+            { 0x9191,    0.268384 },
+            { 0x9696,    0.292327 },
+            { 0x9b9b,    0.317351 },
+            { 0xa0a0,    0.343441 },
+            { 0xa5a5,    0.370580 },
+            { 0xaaaa,    0.398747 },
+            { 0xafaf,    0.427919 },
+            { 0xb4b4,    0.458068 },
+            { 0xb9b9,    0.489165 },
+            { 0xbebe,    0.521176 },
+            { 0xc3c3,    0.554067 },
+            { 0xc8c8,    0.587797 },
+            { 0xcdcd,    0.622324 },
+            { 0xd2d2,    0.657604 },
+            { 0xd7d7,    0.693588 },
+            { 0xdcdc,    0.730225 },
+            { 0xe1e1,    0.767459 },
+            { 0xe6e6,    0.805235 },
+            { 0xebeb,    0.843491 },
+            { 0xf0f0,    0.882164 },
+            { 0xf5f5,    0.921187 },
+            { 0xfafa,    0.960490 },
+            { 0xffff,    1.000000 }
+};
+
+static IntensityRec const Default_RGB_BlueTuples[] = {
+    /* {unsigned short value, XcmsFloat intensity} */
+            { 0x0000,    0.000000 },
+            { 0x0e0e,    0.000000 },
+            { 0x0f0f,    0.001341 },
+            { 0x1414,    0.002080 },
+            { 0x1919,    0.003188 },
+            { 0x1e1e,    0.004729 },
+            { 0x2323,    0.006766 },
+            { 0x2828,    0.009357 },
+            { 0x2d2d,    0.012559 },
+            { 0x3232,    0.016424 },
+            { 0x3737,    0.021004 },
+            { 0x3c3c,    0.026344 },
+            { 0x4141,    0.032489 },
+            { 0x4646,    0.039481 },
+            { 0x4b4b,    0.047357 },
+            { 0x5050,    0.056154 },
+            { 0x5555,    0.065903 },
+            { 0x5a5a,    0.076634 },
+            { 0x5f5f,    0.088373 },
+            { 0x6464,    0.101145 },
+            { 0x6969,    0.114968 },
+            { 0x6e6e,    0.129862 },
+            { 0x7373,    0.145841 },
+            { 0x7878,    0.162915 },
+            { 0x7d7d,    0.181095 },
+            { 0x8282,    0.200386 },
+            { 0x8787,    0.220791 },
+            { 0x8c8c,    0.242309 },
+            { 0x9191,    0.264937 },
+            { 0x9696,    0.288670 },
+            { 0x9b9b,    0.313499 },
+            { 0xa0a0,    0.339410 },
+            { 0xa5a5,    0.366390 },
+            { 0xaaaa,    0.394421 },
+            { 0xafaf,    0.423481 },
+            { 0xb4b4,    0.453547 },
+            { 0xb9b9,    0.484592 },
+            { 0xbebe,    0.516587 },
+            { 0xc3c3,    0.549498 },
+            { 0xc8c8,    0.583291 },
+            { 0xcdcd,    0.617925 },
+            { 0xd2d2,    0.653361 },
+            { 0xd7d7,    0.689553 },
+            { 0xdcdc,    0.726454 },
+            { 0xe1e1,    0.764013 },
+            { 0xe6e6,    0.802178 },
+            { 0xebeb,    0.840891 },
+            { 0xf0f0,    0.880093 },
+            { 0xf5f5,    0.919723 },
+            { 0xfafa,    0.959715 },
+	    { 0xffff,    1.00000 }
+};
+
+static IntensityTbl Default_RGB_RedTbl = {
+    /* IntensityRec *pBase */
+	(IntensityRec *) Default_RGB_RedTuples,
+    /* unsigned int nEntries */
+	52
+};
+
+static IntensityTbl Default_RGB_GreenTbl = {
+    /* IntensityRec *pBase */
+	(IntensityRec *)Default_RGB_GreenTuples,
+    /* unsigned int nEntries */
+	50
+};
+
+static IntensityTbl Default_RGB_BlueTbl = {
+    /* IntensityRec *pBase */
+	(IntensityRec *)Default_RGB_BlueTuples,
+    /* unsigned int nEntries */
+	51
+};
+
+static LINEAR_RGB_SCCData Default_RGB_SCCData = {
+    /* XcmsFloat XYZtoRGBmatrix[3][3] */
+  {
+    { 3.48340481253539000, -1.52176374927285200, -0.55923133354049780 },
+    {-1.07152751306193600,  1.96593795204372400,  0.03673691339553462 },
+    { 0.06351179790497788, -0.20020501000496480,  0.81070942031648220 }
+  },
+
+    /* XcmsFloat RGBtoXYZmatrix[3][3] */
+  {
+    { 0.38106149108714790, 0.32025712365352110, 0.24834578525933100 },
+    { 0.20729745115140850, 0.68054638776373240, 0.11215616108485920 },
+    { 0.02133944350088028, 0.14297193020246480, 1.24172892629665500 }
+  },
+
+    /* IntensityTbl *pRedTbl */
+	&Default_RGB_RedTbl,
+
+    /* IntensityTbl *pGreenTbl */
+	&Default_RGB_GreenTbl,
+
+    /* IntensityTbl *pBlueTbl */
+	&Default_RGB_BlueTbl
+};
+
+/************************************************************************
+ *									*
+ *			PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		LINEAR_RGB_InitSCCData()
+ *
+ *	SYNOPSIS
+ */
+static Status
+LINEAR_RGB_InitSCCData(
+    Display *dpy,
+    int screenNumber,
+    XcmsPerScrnInfo *pPerScrnInfo)
+/*
+ *	DESCRIPTION
+ *
+ *	RETURNS
+ *		XcmsFailure if failed.
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    Atom  CorrectAtom = XInternAtom (dpy, XDCCC_CORRECT_ATOM_NAME, True);
+    Atom  MatrixAtom  = XInternAtom (dpy, XDCCC_MATRIX_ATOM_NAME, True);
+    int	  format_return, count, cType, nTables;
+    unsigned long nitems, nbytes_return;
+    char *property_return, *pChar;
+    XcmsFloat *pValue;
+#ifdef ALLDEBUG
+    IntensityRec *pIRec;
+#endif /* ALLDEBUG */
+    VisualID visualID;
+
+    LINEAR_RGB_SCCData *pScreenData, *pScreenDefaultData;
+    XcmsIntensityMap *pNewMap;
+
+    /*
+     * Allocate memory for pScreenData
+     */
+    if (!(pScreenData = pScreenDefaultData = (LINEAR_RGB_SCCData *)
+		      Xcalloc (1, sizeof(LINEAR_RGB_SCCData)))) {
+	return(XcmsFailure);
+    }
+
+    /*
+     *  1. Get the XYZ->RGB and RGB->XYZ matrices
+     */
+
+    if (MatrixAtom == None ||
+	!_XcmsGetProperty (dpy, RootWindow(dpy, screenNumber), MatrixAtom,
+	   &format_return, &nitems, &nbytes_return, &property_return) ||
+	   nitems != 18 || format_return != 32) {
+	/*
+	 * As per the XDCCC, there must be 18 data items and each must be
+	 * in 32 bits !
+	 */
+	goto FreeSCCData;
+
+    } else {
+
+	/*
+	 * RGBtoXYZ and XYZtoRGB matrices
+	 */
+	pValue = (XcmsFloat *) pScreenData;
+	pChar = property_return;
+	for (count = 0; count < 18; count++) {
+	    *pValue++ = (long)_XcmsGetElement(format_return, &pChar,
+		    &nitems) / (XcmsFloat)XDCCC_NUMBER;
+	}
+	Xfree (property_return);
+	pPerScrnInfo->screenWhitePt.spec.CIEXYZ.X =
+		pScreenData->RGBtoXYZmatrix[0][0] +
+		pScreenData->RGBtoXYZmatrix[0][1] +
+		pScreenData->RGBtoXYZmatrix[0][2];
+	pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Y =
+		pScreenData->RGBtoXYZmatrix[1][0] +
+		pScreenData->RGBtoXYZmatrix[1][1] +
+		pScreenData->RGBtoXYZmatrix[1][2];
+	pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Z =
+		pScreenData->RGBtoXYZmatrix[2][0] +
+		pScreenData->RGBtoXYZmatrix[2][1] +
+		pScreenData->RGBtoXYZmatrix[2][2];
+
+	/*
+	 * Compute the Screen White Point
+	 */
+	if ((pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Y < (1.0 - EPS) )
+		|| (pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Y > (1.0 + EPS))) {
+	    goto FreeSCCData;
+	} else {
+	    pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Y = 1.0;
+	}
+	pPerScrnInfo->screenWhitePt.format = XcmsCIEXYZFormat;
+	pPerScrnInfo->screenWhitePt.pixel = 0;
+
+#ifdef PDEBUG
+	printf ("RGB to XYZ Matrix values:\n");
+	printf ("       %f %f %f\n       %f %f %f\n       %f %f %f\n",
+		pScreenData->RGBtoXYZmatrix[0][0],
+		pScreenData->RGBtoXYZmatrix[0][1],
+		pScreenData->RGBtoXYZmatrix[0][2],
+		pScreenData->RGBtoXYZmatrix[1][0],
+		pScreenData->RGBtoXYZmatrix[1][1],
+		pScreenData->RGBtoXYZmatrix[1][2],
+		pScreenData->RGBtoXYZmatrix[2][0],
+		pScreenData->RGBtoXYZmatrix[2][1],
+		pScreenData->RGBtoXYZmatrix[2][2]);
+	printf ("XYZ to RGB Matrix values:\n");
+	printf ("       %f %f %f\n       %f %f %f\n       %f %f %f\n",
+		pScreenData->XYZtoRGBmatrix[0][0],
+		pScreenData->XYZtoRGBmatrix[0][1],
+		pScreenData->XYZtoRGBmatrix[0][2],
+		pScreenData->XYZtoRGBmatrix[1][0],
+		pScreenData->XYZtoRGBmatrix[1][1],
+		pScreenData->XYZtoRGBmatrix[1][2],
+		pScreenData->XYZtoRGBmatrix[2][0],
+		pScreenData->XYZtoRGBmatrix[2][1],
+		pScreenData->XYZtoRGBmatrix[2][2]);
+	printf ("Screen White Pt value: %f %f %f\n",
+		pPerScrnInfo->screenWhitePt.spec.CIEXYZ.X,
+		pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Y,
+		pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Z);
+#endif /* PDEBUG */
+    }
+
+    /*
+     *	2. Get the Intensity Profile
+     */
+    if (CorrectAtom == None ||
+	!_XcmsGetProperty (dpy, RootWindow(dpy, screenNumber), CorrectAtom,
+	   &format_return, &nitems, &nbytes_return, &property_return)) {
+	goto FreeSCCData;
+    }
+
+    pChar = property_return;
+
+    while (nitems) {
+	switch (format_return) {
+	  case 8:
+	    /*
+	     * Must have at least:
+	     *		VisualID0
+	     *		VisualID1
+	     *		VisualID2
+	     *		VisualID3
+	     *		type
+	     *		count
+	     *		length
+	     *		intensity1
+	     *		intensity2
+	     */
+	    if (nitems < 9) {
+		goto Free_property_return;
+	    }
+	    count = 3;
+	    break;
+	  case 16:
+	    /*
+	     * Must have at least:
+	     *		VisualID0
+	     *		VisualID3
+	     *		type
+	     *		count
+	     *		length
+	     *		intensity1
+	     *		intensity2
+	     */
+	    if (nitems < 7) {
+		goto Free_property_return;
+	    }
+	    count = 1;
+	    break;
+	  case 32:
+	    /*
+	     * Must have at least:
+	     *		VisualID0
+	     *		type
+	     *		count
+	     *		length
+	     *		intensity1
+	     *		intensity2
+	     */
+	    if (nitems < 6) {
+		goto Free_property_return;
+	    }
+	    count = 0;
+	    break;
+	  default:
+	    goto Free_property_return;
+	}
+
+	/*
+	 * Get VisualID
+	 */
+	visualID = _XcmsGetElement(format_return, &pChar, &nitems);
+	while (count--) {
+	    visualID = visualID << format_return;
+	    visualID |= _XcmsGetElement(format_return, &pChar, &nitems);
+	}
+
+	if (visualID == 0) {
+	    /*
+	     * This is a shared intensity table
+	     */
+	    pScreenData = pScreenDefaultData;
+	} else {
+	    /*
+	     * This is a per-Visual intensity table
+	     */
+	    if (!(pScreenData = (LINEAR_RGB_SCCData *)
+			      Xcalloc (1, sizeof(LINEAR_RGB_SCCData)))) {
+		goto Free_property_return;
+	    }
+	    /* copy matrices */
+	    memcpy((char *)pScreenData, (char *)pScreenDefaultData,
+		   18 * sizeof(XcmsFloat));
+
+	    /* Create, initialize, and add map */
+	    if (!(pNewMap = (XcmsIntensityMap *)
+			      Xcalloc (1, sizeof(XcmsIntensityMap)))) {
+		Xfree(pScreenData);
+		goto Free_property_return;
+	    }
+	    pNewMap->visualID = visualID;
+	    pNewMap->screenData = (XPointer)pScreenData;
+	    pNewMap->pFreeScreenData = LINEAR_RGB_FreeSCCData;
+	    pNewMap->pNext =
+		    (XcmsIntensityMap *)dpy->cms.perVisualIntensityMaps;
+	    dpy->cms.perVisualIntensityMaps = (XPointer)pNewMap;
+	    dpy->free_funcs->intensityMaps = _XcmsFreeIntensityMaps;
+	}
+
+	cType = _XcmsGetElement(format_return, &pChar, &nitems);
+	nTables = _XcmsGetElement(format_return, &pChar, &nitems);
+
+	if (cType == 0) {
+
+	    /* Red Intensity Table */
+	    if (!(pScreenData->pRedTbl = (IntensityTbl *)
+		    Xcalloc (1, sizeof(IntensityTbl)))) {
+		goto Free_property_return;
+	    }
+	    if (_XcmsGetTableType0(pScreenData->pRedTbl, format_return, &pChar,
+		    &nitems) == XcmsFailure) {
+		goto FreeRedTbl;
+	    }
+
+	    if (nTables == 1) {
+		/* Green Intensity Table */
+		pScreenData->pGreenTbl = pScreenData->pRedTbl;
+		/* Blue Intensity Table */
+		pScreenData->pBlueTbl = pScreenData->pRedTbl;
+	    } else {
+		/* Green Intensity Table */
+		if (!(pScreenData->pGreenTbl = (IntensityTbl *)
+			Xcalloc (1, sizeof(IntensityTbl)))) {
+		    goto FreeRedTblElements;
+		}
+		if (_XcmsGetTableType0(pScreenData->pGreenTbl, format_return, &pChar,
+			&nitems) == XcmsFailure) {
+		    goto FreeGreenTbl;
+		}
+
+		/* Blue Intensity Table */
+		if (!(pScreenData->pBlueTbl = (IntensityTbl *)
+			Xcalloc (1, sizeof(IntensityTbl)))) {
+		    goto FreeGreenTblElements;
+		}
+		if (_XcmsGetTableType0(pScreenData->pBlueTbl, format_return, &pChar,
+			&nitems) == XcmsFailure) {
+		    goto FreeBlueTbl;
+		}
+	    }
+	} else if (cType == 1) {
+	    /* Red Intensity Table */
+	    if (!(pScreenData->pRedTbl = (IntensityTbl *)
+		    Xcalloc (1, sizeof(IntensityTbl)))) {
+		goto Free_property_return;
+	    }
+	    if (_XcmsGetTableType1(pScreenData->pRedTbl, format_return, &pChar,
+		    &nitems) == XcmsFailure) {
+		goto FreeRedTbl;
+	    }
+
+	    if (nTables == 1) {
+
+		/* Green Intensity Table */
+		pScreenData->pGreenTbl = pScreenData->pRedTbl;
+		/* Blue Intensity Table */
+		pScreenData->pBlueTbl = pScreenData->pRedTbl;
+
+	    } else {
+
+		/* Green Intensity Table */
+		if (!(pScreenData->pGreenTbl = (IntensityTbl *)
+			Xcalloc (1, sizeof(IntensityTbl)))) {
+		    goto FreeRedTblElements;
+		}
+		if (_XcmsGetTableType1(pScreenData->pGreenTbl, format_return, &pChar,
+			&nitems) == XcmsFailure) {
+		    goto FreeGreenTbl;
+		}
+
+		/* Blue Intensity Table */
+		if (!(pScreenData->pBlueTbl = (IntensityTbl *)
+			Xcalloc (1, sizeof(IntensityTbl)))) {
+		    goto FreeGreenTblElements;
+		}
+		if (_XcmsGetTableType1(pScreenData->pBlueTbl, format_return, &pChar,
+			&nitems) == XcmsFailure) {
+		    goto FreeBlueTbl;
+		}
+	    }
+	} else {
+	    goto Free_property_return;
+	}
+
+#ifdef ALLDEBUG
+	printf ("Intensity Table  RED    %d\n", pScreenData->pRedTbl->nEntries);
+	pIRec = (IntensityRec *) pScreenData->pRedTbl->pBase;
+	for (count = 0; count < pScreenData->pRedTbl->nEntries; count++, pIRec++) {
+	    printf ("\t0x%4x\t%f\n", pIRec->value, pIRec->intensity);
+	}
+	if (pScreenData->pGreenTbl->pBase != pScreenData->pRedTbl->pBase) {
+	    printf ("Intensity Table  GREEN  %d\n", pScreenData->pGreenTbl->nEntries);
+	    pIRec = (IntensityRec *)pScreenData->pGreenTbl->pBase;
+	    for (count = 0; count < pScreenData->pGreenTbl->nEntries; count++, pIRec++) {
+		printf ("\t0x%4x\t%f\n", pIRec->value, pIRec->intensity);
+	    }
+	}
+	if (pScreenData->pBlueTbl->pBase != pScreenData->pRedTbl->pBase) {
+	    printf ("Intensity Table  BLUE   %d\n", pScreenData->pBlueTbl->nEntries);
+	    pIRec = (IntensityRec *) pScreenData->pBlueTbl->pBase;
+	    for (count = 0; count < pScreenData->pBlueTbl->nEntries; count++, pIRec++) {
+		printf ("\t0x%4x\t%f\n", pIRec->value, pIRec->intensity);
+	    }
+	}
+#endif /* ALLDEBUG */
+    }
+
+    Xfree (property_return);
+
+    /* Free the old memory and use the new structure created. */
+    LINEAR_RGB_FreeSCCData(pPerScrnInfo->screenData);
+
+    pPerScrnInfo->functionSet = (XPointer) &XcmsLinearRGBFunctionSet;
+
+    pPerScrnInfo->screenData = (XPointer) pScreenData;
+
+    pPerScrnInfo->state = XcmsInitSuccess;
+
+    return(XcmsSuccess);
+
+FreeBlueTbl:
+    Xfree(pScreenData->pBlueTbl);
+
+FreeGreenTblElements:
+    Xfree(pScreenData->pGreenTbl->pBase);
+
+FreeGreenTbl:
+    Xfree(pScreenData->pGreenTbl);
+
+FreeRedTblElements:
+    Xfree(pScreenData->pRedTbl->pBase);
+
+FreeRedTbl:
+    Xfree(pScreenData->pRedTbl);
+
+Free_property_return:
+    Xfree (property_return);
+
+FreeSCCData:
+    Xfree(pScreenDefaultData);
+    pPerScrnInfo->state = XcmsInitNone;
+    return(XcmsFailure);
+}
+
+
+/*
+ *	NAME
+ *		LINEAR_RGB_FreeSCCData()
+ *
+ *	SYNOPSIS
+ */
+static void
+LINEAR_RGB_FreeSCCData(
+    XPointer pScreenDataTemp)
+/*
+ *	DESCRIPTION
+ *
+ *	RETURNS
+ *		0 if failed.
+ *		1 if succeeded with no modifications.
+ *
+ */
+{
+    LINEAR_RGB_SCCData *pScreenData = (LINEAR_RGB_SCCData *) pScreenDataTemp;
+
+    if (pScreenData && pScreenData != &Default_RGB_SCCData) {
+	if (pScreenData->pRedTbl) {
+	    if (pScreenData->pGreenTbl) {
+		if (pScreenData->pRedTbl->pBase !=
+		    pScreenData->pGreenTbl->pBase) {
+		    if (pScreenData->pGreenTbl->pBase) {
+			Xfree (pScreenData->pGreenTbl->pBase);
+		    }
+		}
+		if (pScreenData->pGreenTbl != pScreenData->pRedTbl) {
+		    Xfree (pScreenData->pGreenTbl);
+		}
+	    }
+	    if (pScreenData->pBlueTbl) {
+		if (pScreenData->pRedTbl->pBase !=
+		    pScreenData->pBlueTbl->pBase) {
+		    if (pScreenData->pBlueTbl->pBase) {
+			Xfree (pScreenData->pBlueTbl->pBase);
+		    }
+		}
+		if (pScreenData->pBlueTbl != pScreenData->pRedTbl) {
+		    Xfree (pScreenData->pBlueTbl);
+		}
+	    }
+	    if (pScreenData->pRedTbl->pBase) {
+		Xfree (pScreenData->pRedTbl->pBase);
+	    }
+	    Xfree (pScreenData->pRedTbl);
+	}
+	Xfree (pScreenData);
+    }
+}
+
+
+
+/************************************************************************
+ *									*
+ *			API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		_XcmsGetTableType0
+ *
+ *	SYNOPSIS
+ */
+static Status
+_XcmsGetTableType0(
+    IntensityTbl *pTbl,
+    int	  format,
+    char **pChar,
+    unsigned long *pCount)
+/*
+ *	DESCRIPTION
+ *
+ *	RETURNS
+ *		XcmsFailure if failed.
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    unsigned int nElements;
+    IntensityRec *pIRec;
+
+    nElements = pTbl->nEntries =
+	    _XcmsGetElement(format, pChar, pCount) + 1;
+    if (!(pIRec = pTbl->pBase = (IntensityRec *)
+	  Xcalloc (nElements, sizeof(IntensityRec)))) {
+	return(XcmsFailure);
+    }
+
+    switch (format) {
+      case 8:
+	for (; nElements--; pIRec++) {
+	    /* 0xFFFF/0xFF = 0x101 */
+	    pIRec->value = _XcmsGetElement (format, pChar, pCount) * 0x101;
+	    pIRec->intensity =
+		    _XcmsGetElement (format, pChar, pCount) / (XcmsFloat)255.0;
+	}
+	break;
+      case 16:
+	for (; nElements--; pIRec++) {
+	    pIRec->value = _XcmsGetElement (format, pChar, pCount);
+	    pIRec->intensity = _XcmsGetElement (format, pChar, pCount)
+		    / (XcmsFloat)65535.0;
+	}
+	break;
+      case 32:
+	for (; nElements--; pIRec++) {
+	    pIRec->value = _XcmsGetElement (format, pChar, pCount);
+	    pIRec->intensity = _XcmsGetElement (format, pChar, pCount)
+		    / (XcmsFloat)4294967295.0;
+	}
+	break;
+      default:
+	return(XcmsFailure);
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		_XcmsGetTableType1
+ *
+ *	SYNOPSIS
+ */
+static Status
+_XcmsGetTableType1(
+    IntensityTbl *pTbl,
+    int	  format,
+    char **pChar,
+    unsigned long *pCount)
+/*
+ *	DESCRIPTION
+ *
+ *	RETURNS
+ *		XcmsFailure if failed.
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    unsigned int count;
+    unsigned int max_index;
+    IntensityRec *pIRec;
+
+    max_index = _XcmsGetElement(format, pChar, pCount);
+    pTbl->nEntries = max_index + 1;
+    if (!(pIRec = pTbl->pBase = (IntensityRec *)
+	  Xcalloc (max_index+1, sizeof(IntensityRec)))) {
+	return(XcmsFailure);
+    }
+
+    switch (format) {
+      case 8:
+	for (count = 0; count < max_index+1; count++, pIRec++) {
+	    pIRec->value = (count * 65535) / max_index;
+	    pIRec->intensity = _XcmsGetElement (format, pChar, pCount)
+		    / (XcmsFloat)255.0;
+	}
+	break;
+      case 16:
+	for (count = 0; count < max_index+1; count++, pIRec++) {
+	    pIRec->value = (count * 65535) / max_index;
+	    pIRec->intensity = _XcmsGetElement (format, pChar, pCount)
+		    / (XcmsFloat)65535.0;
+	}
+	break;
+      case 32:
+	for (count = 0; count < max_index+1; count++, pIRec++) {
+	    pIRec->value = (count * 65535) / max_index;
+	    pIRec->intensity = _XcmsGetElement (format, pChar, pCount)
+		    / (XcmsFloat)4294967295.0;
+	}
+	break;
+      default:
+	return(XcmsFailure);
+    }
+
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		ValueCmp
+ *
+ *	SYNOPSIS
+ */
+static int
+_XcmsValueCmp(
+    IntensityRec *p1, IntensityRec *p2)
+/*
+ *	DESCRIPTION
+ *		Compares the value component of two IntensityRec
+ *		structures.
+ *
+ *	RETURNS
+ *		0 if p1->value is equal to p2->value
+ *		< 0 if p1->value is less than p2->value
+ *		> 0 if p1->value is greater than p2->value
+ *
+ */
+{
+    return (p1->value - p2->value);
+}
+
+
+/*
+ *	NAME
+ *		IntensityCmp
+ *
+ *	SYNOPSIS
+ */
+static int
+_XcmsIntensityCmp(
+    IntensityRec *p1, IntensityRec *p2)
+/*
+ *	DESCRIPTION
+ *		Compares the intensity component of two IntensityRec
+ *		structures.
+ *
+ *	RETURNS
+ *		0 if equal;
+ *		< 0 if first precedes second
+ *		> 0 if first succeeds second
+ *
+ */
+{
+    if (p1->intensity < p2->intensity) {
+	return (-1);
+    }
+    if (p1->intensity > p2->intensity) {
+	return (XcmsSuccess);
+    }
+    return (XcmsFailure);
+}
+
+/*
+ *	NAME
+ *		ValueInterpolation
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+static int
+_XcmsValueInterpolation(
+    IntensityRec *key, IntensityRec *lo, IntensityRec *hi, IntensityRec *answer,
+    int bitsPerRGB)
+/*
+ *	DESCRIPTION
+ *		Based on a given value, performs a linear interpolation
+ *		on the intensities between two IntensityRec structures.
+ *		Note that the bitsPerRGB parameter is ignored.
+ *
+ *	RETURNS
+ *		Returns 0 if failed; otherwise non-zero.
+ */
+{
+    XcmsFloat ratio;
+
+    ratio = ((XcmsFloat)key->value - (XcmsFloat)lo->value) /
+	((XcmsFloat)hi->value - (XcmsFloat)lo->value);
+    answer->value = key->value;
+    answer->intensity = (hi->intensity - lo->intensity) * ratio;
+    answer->intensity += lo->intensity;
+    return (XcmsSuccess);
+}
+
+/*
+ *	NAME
+ *		IntensityInterpolation
+ *
+ *	SYNOPSIS
+ */
+static int
+_XcmsIntensityInterpolation(
+    IntensityRec *key, IntensityRec *lo, IntensityRec *hi, IntensityRec *answer,
+    int bitsPerRGB)
+/*
+ *	DESCRIPTION
+ *		Based on a given intensity, performs a linear interpolation
+ *		on the values between two IntensityRec structures.
+ *		The bitsPerRGB parameter is necessary to perform rounding
+ *		to the correct number of significant bits.
+ *
+ *	RETURNS
+ *		Returns 0 if failed; otherwise non-zero.
+ */
+{
+    XcmsFloat ratio;
+    long target, up, down;
+    int shift = 16 - bitsPerRGB;
+    int max_color = (1 << bitsPerRGB) - 1;
+
+    ratio = (key->intensity - lo->intensity) / (hi->intensity - lo->intensity);
+    answer->intensity = key->intensity;
+    target = hi->value - lo->value;
+    target *= ratio;
+    target += lo->value;
+
+    /*
+     * Ok now, lets find the closest in respects to bits per RGB
+     */
+    up = ((target >> shift) * 0xFFFF) / max_color;
+    if (up < target) {
+	down = up;
+	up = (MIN((down >> shift) + 1, max_color) * 0xFFFF) / max_color;
+    } else {
+	down = (MAX((up >> shift) - 1, 0) * 0xFFFF) / max_color;
+    }
+    answer->value = ((up - target) < (target - down) ? up : down);
+    answer->value &= MASK[bitsPerRGB];
+    return (XcmsSuccess);
+}
+
+
+
+typedef int (*comparProcp)(
+    char *p1,
+    char *p2);
+typedef int (*interpolProcp)(
+    char *key,
+    char *lo,
+    char *hi,
+    char *answer,
+    int bitsPerRGB);
+
+/*
+ *	NAME
+ *		_XcmsTableSearch
+ *
+ *	SYNOPSIS
+ */
+static int
+_XcmsTableSearch(
+    char *key,
+    int bitsPerRGB,
+    char *base,
+    unsigned nel,
+    unsigned nKeyPtrSize,
+    int (*compar)(
+        char *p1,
+        char *p2),
+    int (*interpol)(
+        char *key,
+        char *lo,
+        char *hi,
+        char *answer,
+        int bitsPerRGB),
+    char *answer)
+
+/*
+ *	DESCRIPTION
+ *		A binary search through the specificied table.
+ *
+ *	RETURNS
+ *		Returns 0 if failed; otherwise non-zero.
+ *
+ */
+{
+    char *hi, *lo, *mid, *last;
+    int result;
+
+    last = hi = base + ((nel - 1) * nKeyPtrSize);
+    mid = lo = base;
+
+    /* use only the significants bits, then scale into 16 bits */
+    ((IntensityRec *)key)->value = ((unsigned long)
+	    (((IntensityRec *)key)->value >> (16 - bitsPerRGB)) * 0xFFFF)
+	    / ((1 << bitsPerRGB) - 1);
+
+    /* Special case so that zero intensity always maps to zero value */
+    if ((*compar) (key,lo) <= 0) {
+	memcpy (answer, lo, nKeyPtrSize);
+	((IntensityRec *)answer)->value &= MASK[bitsPerRGB];
+	return XcmsSuccess;
+    }
+    while (mid != last) {
+	last = mid;
+	mid = lo + (((unsigned)(hi - lo) / nKeyPtrSize) / 2) * nKeyPtrSize;
+	result = (*compar) (key, mid);
+	if (result == 0) {
+
+	    memcpy(answer, mid, nKeyPtrSize);
+	    ((IntensityRec *)answer)->value &= MASK[bitsPerRGB];
+	    return (XcmsSuccess);
+	} else if (result < 0) {
+	    hi = mid;
+	} else {
+	    lo = mid;
+	}
+    }
+
+    /*
+     * If we got to here, we didn't find a solution, so we
+     * need to apply interpolation.
+     */
+    return ((*interpol)(key, lo, hi, answer, bitsPerRGB));
+}
+
+
+/*
+ *      NAME
+ *		_XcmsMatVec - multiply a 3 x 3 by a 3 x 1 vector
+ *
+ *	SYNOPSIS
+ */
+static void _XcmsMatVec(
+    XcmsFloat *pMat, XcmsFloat *pIn, XcmsFloat *pOut)
+/*
+ *      DESCRIPTION
+ *		Multiply the passed vector by the passed matrix to return a
+ *		vector. Matrix is 3x3, vectors are of length 3.
+ *
+ *	RETURNS
+ *		void
+ */
+{
+    int i, j;
+
+    for (i = 0; i < 3; i++) {
+	pOut[i] = 0.0;
+	for (j = 0; j < 3; j++)
+	    pOut[i] += *(pMat+(i*3)+j) * pIn[j];
+    }
+}
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+
+/*
+ *	NAME
+ *		XcmsLRGB_RGB_ParseString
+ *
+ *	SYNOPSIS
+ */
+static int
+XcmsLRGB_RGB_ParseString(
+    register char *spec,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		This routines takes a string and attempts to convert
+ *		it into a XcmsColor structure with XcmsRGBFormat.
+ *
+ *	RETURNS
+ *		0 if failed, non-zero otherwise.
+ */
+{
+    register int n, i;
+    unsigned short r, g, b;
+    char c;
+    char *pchar;
+    unsigned short *pShort;
+
+    /*
+     * Check for old # format
+     */
+    if (*spec == '#') {
+	/*
+	 * Attempt to parse the value portion.
+	 */
+	spec++;
+	n = strlen(spec);
+	if (n != 3 && n != 6 && n != 9 && n != 12) {
+	    return(XcmsFailure);
+	}
+
+	n /= 3;
+	g = b = 0;
+	do {
+	    r = g;
+	    g = b;
+	    b = 0;
+	    for (i = n; --i >= 0; ) {
+		c = *spec++;
+		b <<= 4;
+		if (c >= '0' && c <= '9')
+		    b |= c - '0';
+		/* assume string in lowercase
+		else if (c >= 'A' && c <= 'F')
+		    b |= c - ('A' - 10);
+		*/
+		else if (c >= 'a' && c <= 'f')
+		    b |= c - ('a' - 10);
+		else return (XcmsFailure);
+	    }
+	} while (*spec != '\0');
+
+	/*
+	 * Succeeded !
+	 */
+	n <<= 2;
+	n = 16 - n;
+	/* shift instead of scale, to match old broken semantics */
+	pColor->spec.RGB.red = r << n;
+	pColor->spec.RGB.green = g << n;
+	pColor->spec.RGB.blue =  b << n;
+    } else {
+	if ((pchar = strchr(spec, ':')) == NULL) {
+	    return(XcmsFailure);
+	}
+	n = (int)(pchar - spec);
+
+	/*
+	 * Check for proper prefix.
+	 */
+	if (strncmp(spec, _XcmsRGB_prefix, n) != 0) {
+	    return(XcmsFailure);
+	}
+
+	/*
+	 * Attempt to parse the value portion.
+	 */
+	spec += (n + 1);
+	pShort = &pColor->spec.RGB.red;
+	for (i = 0; i < 3; i++, pShort++, spec++) {
+	    n = 0;
+	    *pShort = 0;
+	    while (*spec != '/' && *spec != '\0') {
+		if (++n > 4) {
+		    return(XcmsFailure);
+		}
+		c = *spec++;
+		*pShort <<= 4;
+		if (c >= '0' && c <= '9')
+		    *pShort |= c - '0';
+		/* assume string in lowercase
+		else if (c >= 'A' && c <= 'F')
+		    *pShort |= c - ('A' - 10);
+		*/
+		else if (c >= 'a' && c <= 'f')
+		    *pShort |= c - ('a' - 10);
+		else return (XcmsFailure);
+	    }
+	    if (n == 0)
+		return (XcmsFailure);
+	    if (n < 4) {
+		*pShort = ((unsigned long)*pShort * 0xFFFF) / ((1 << n*4) - 1);
+	    }
+	}
+    }
+    pColor->format = XcmsRGBFormat;
+    pColor->pixel = 0;
+    return (XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsLRGB_RGBi_ParseString
+ *
+ *	SYNOPSIS
+ */
+static int
+XcmsLRGB_RGBi_ParseString(
+    register char *spec,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		This routines takes a string and attempts to convert
+ *		it into a XcmsColor structure with XcmsRGBiFormat.
+ *		The assumed RGBi string syntax is:
+ *		    RGBi:<r>/<g>/<b>
+ *		Where r, g, and b are in string input format for floats
+ *		consisting of:
+ *		    a. an optional sign
+ *		    b. a string of numbers possibly containing a decimal point,
+ *		    c. an optional exponent field containing an 'E' or 'e'
+ *			followed by a possibly signed integer string.
+ *
+ *	RETURNS
+ *		0 if failed, non-zero otherwise.
+ */
+{
+    size_t n;
+    char *pchar;
+
+    if ((pchar = strchr(spec, ':')) == NULL) {
+	return(XcmsFailure);
+    }
+    n = (size_t)(pchar - spec);
+
+    /*
+     * Check for proper prefix.
+     */
+    if (strncmp(spec, _XcmsRGBi_prefix, n) != 0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Attempt to parse the value portion.
+     */
+    if (sscanf(spec + n + 1, "%lf/%lf/%lf",
+	    &pColor->spec.RGBi.red,
+	    &pColor->spec.RGBi.green,
+	    &pColor->spec.RGBi.blue) != 3) {
+        char *s; /* Maybe failed due to locale */
+        int f;
+        if ((s = strdup(spec))) {
+            for (f = 0; s[f]; ++f)
+                if (s[f] == '.')
+                    s[f] = ',';
+                else if (s[f] == ',')
+                    s[f] = '.';
+	    if (sscanf(s + n + 1, "%lf/%lf/%lf",
+		       &pColor->spec.RGBi.red,
+		       &pColor->spec.RGBi.green,
+		       &pColor->spec.RGBi.blue) != 3) {
+                free(s);
+                return(XcmsFailure);
+            }
+            free(s);
+        } else
+	    return(XcmsFailure);
+    }
+
+    /*
+     * Succeeded !
+     */
+    pColor->format = XcmsRGBiFormat;
+    pColor->pixel = 0;
+    return (XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsCIEXYZToRGBi - convert CIE XYZ to RGB
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsCIEXYZToRGBi(
+    XcmsCCC ccc,
+    XcmsColor *pXcmsColors_in_out,/* pointer to XcmsColors to convert 	*/
+    unsigned int nColors,	/* Number of colors			*/
+    Bool *pCompressed)		/* pointer to an array of Bool		*/
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from RGB format to RGBi format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded without gamut compression.
+ *		XcmsSuccessWithCompression if succeeded with gamut
+ *			compression.
+ */
+{
+    LINEAR_RGB_SCCData *pScreenData;
+    XcmsFloat tmp[3];
+    int hasCompressed = 0;
+    unsigned int i;
+    XcmsColor *pColor = pXcmsColors_in_out;
+
+    if (ccc == NULL) {
+	return(XcmsFailure);
+    }
+
+    pScreenData = (LINEAR_RGB_SCCData *)ccc->pPerScrnInfo->screenData;
+
+    /*
+     * XcmsColors should be White Point Adjusted, if necessary, by now!
+     */
+
+    /*
+     * NEW!!! for extended gamut compression
+     *
+     * 1. Need to zero out pCompressed
+     *
+     * 2. Need to save initial address of pColor
+     *
+     * 3. Need to save initial address of pCompressed
+     */
+
+    for (i = 0; i < nColors; i++) {
+
+	/* Make sure format is XcmsCIEXYZFormat */
+	if (pColor->format != XcmsCIEXYZFormat) {
+	    return(XcmsFailure);
+	}
+
+	/* Multiply [A]-1 * [XYZ] to get RGB intensity */
+	_XcmsMatVec((XcmsFloat *) pScreenData->XYZtoRGBmatrix,
+		(XcmsFloat *) &pColor->spec, tmp);
+
+	if ((MIN3 (tmp[0], tmp[1], tmp[2]) < -EPS) ||
+	    (MAX3 (tmp[0], tmp[1], tmp[2]) > (1.0 + EPS))) {
+
+	    /*
+	     * RGBi out of screen's gamut
+	     */
+
+	    if (ccc->gamutCompProc == NULL) {
+		/*
+		 * Aha!! Here's that little trick that will allow
+		 * gamut compression routines to get the out of bound
+		 * RGBi.
+		 */
+		memcpy((char *)&pColor->spec, (char *)tmp, sizeof(tmp));
+		pColor->format = XcmsRGBiFormat;
+		return(XcmsFailure);
+	    } else if ((*ccc->gamutCompProc)(ccc, pXcmsColors_in_out, nColors,
+		    i, pCompressed) == 0) {
+		return(XcmsFailure);
+	    }
+
+	    /*
+	     * The gamut compression function should return colors in CIEXYZ
+	     *	Also check again to if the new color is within gamut.
+	     */
+	    if (pColor->format != XcmsCIEXYZFormat) {
+		return(XcmsFailure);
+	    }
+	    _XcmsMatVec((XcmsFloat *) pScreenData->XYZtoRGBmatrix,
+		    (XcmsFloat *) &pColor->spec, tmp);
+	    if ((MIN3 (tmp[0], tmp[1], tmp[2]) < -EPS) ||
+		(MAX3 (tmp[0], tmp[1], tmp[2]) > (1.0 + EPS))) {
+		return(XcmsFailure);
+	    }
+	    hasCompressed++;
+	}
+	memcpy((char *)&pColor->spec, (char *)tmp, sizeof(tmp));
+	/* These if statements are done to ensure the fudge factor is */
+	/* is taken into account. */
+	if (pColor->spec.RGBi.red < 0.0) {
+		pColor->spec.RGBi.red = 0.0;
+	} else if (pColor->spec.RGBi.red > 1.0) {
+		pColor->spec.RGBi.red = 1.0;
+	}
+	if (pColor->spec.RGBi.green < 0.0) {
+		pColor->spec.RGBi.green = 0.0;
+	} else if (pColor->spec.RGBi.green > 1.0) {
+		pColor->spec.RGBi.green = 1.0;
+	}
+	if (pColor->spec.RGBi.blue < 0.0) {
+		pColor->spec.RGBi.blue = 0.0;
+	} else if (pColor->spec.RGBi.blue > 1.0) {
+		pColor->spec.RGBi.blue = 1.0;
+	}
+	(pColor++)->format = XcmsRGBiFormat;
+    }
+    return (hasCompressed ? XcmsSuccessWithCompression : XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		LINEAR_RGBi_to_CIEXYZ - convert RGBi to CIEXYZ
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsRGBiToCIEXYZ(
+    XcmsCCC ccc,
+    XcmsColor *pXcmsColors_in_out,/* pointer to XcmsColors to convert 	*/
+    unsigned int nColors,	/* Number of colors			*/
+    Bool *pCompressed)		/* pointer to a bit array		*/
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from RGBi format to CIEXYZ format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ */
+{
+    LINEAR_RGB_SCCData *pScreenData;
+    XcmsFloat tmp[3];
+
+    /*
+     * pCompressed ignored in this function.
+     */
+
+    if (ccc == NULL) {
+	return(XcmsFailure);
+    }
+
+    pScreenData = (LINEAR_RGB_SCCData *)ccc->pPerScrnInfo->screenData;
+
+    /*
+     * XcmsColors should be White Point Adjusted, if necessary, by now!
+     */
+
+    while (nColors--) {
+
+	/* Multiply [A]-1 * [XYZ] to get RGB intensity */
+	_XcmsMatVec((XcmsFloat *) pScreenData->RGBtoXYZmatrix,
+		(XcmsFloat *) &pXcmsColors_in_out->spec, tmp);
+
+	memcpy((char *)&pXcmsColors_in_out->spec, (char *)tmp, sizeof(tmp));
+	(pXcmsColors_in_out++)->format = XcmsCIEXYZFormat;
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsRGBiToRGB
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsRGBiToRGB(
+    XcmsCCC ccc,
+    XcmsColor *pXcmsColors_in_out,/* pointer to XcmsColors to convert 	*/
+    unsigned int nColors,	/* Number of colors			*/
+    Bool *pCompressed)		/* pointer to a bit array		*/
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from RGBi format to RGB format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded without gamut compression.
+ *		XcmsSuccessWithCompression if succeeded with gamut
+ *			compression.
+ */
+{
+    LINEAR_RGB_SCCData *pScreenData;
+    XcmsRGB tmpRGB;
+    IntensityRec keyIRec, answerIRec;
+
+    /*
+     * pCompressed ignored in this function.
+     */
+
+    if (ccc == NULL) {
+	return(XcmsFailure);
+    }
+
+    pScreenData = (LINEAR_RGB_SCCData *)ccc->pPerScrnInfo->screenData;
+
+    while (nColors--) {
+
+	/* Make sure format is XcmsRGBiFormat */
+	if (pXcmsColors_in_out->format != XcmsRGBiFormat) {
+	    return(XcmsFailure);
+	}
+
+	keyIRec.intensity = pXcmsColors_in_out->spec.RGBi.red;
+	if (!_XcmsTableSearch((char *)&keyIRec, ccc->visual->bits_per_rgb,
+		(char *)pScreenData->pRedTbl->pBase,
+		(unsigned)pScreenData->pRedTbl->nEntries,
+		(unsigned)sizeof(IntensityRec),
+		(comparProcp)_XcmsIntensityCmp, (interpolProcp)_XcmsIntensityInterpolation, (char *)&answerIRec)) {
+	    return(XcmsFailure);
+	}
+	tmpRGB.red = answerIRec.value;
+
+	keyIRec.intensity = pXcmsColors_in_out->spec.RGBi.green;
+	if (!_XcmsTableSearch((char *)&keyIRec, ccc->visual->bits_per_rgb,
+		(char *)pScreenData->pGreenTbl->pBase,
+		(unsigned)pScreenData->pGreenTbl->nEntries,
+		(unsigned)sizeof(IntensityRec),
+		(comparProcp)_XcmsIntensityCmp, (interpolProcp)_XcmsIntensityInterpolation, (char *)&answerIRec)) {
+	    return(XcmsFailure);
+	}
+	tmpRGB.green = answerIRec.value;
+
+	keyIRec.intensity = pXcmsColors_in_out->spec.RGBi.blue;
+	if (!_XcmsTableSearch((char *)&keyIRec, ccc->visual->bits_per_rgb,
+		(char *)pScreenData->pBlueTbl->pBase,
+		(unsigned)pScreenData->pBlueTbl->nEntries,
+		(unsigned)sizeof(IntensityRec),
+		(comparProcp)_XcmsIntensityCmp, (interpolProcp)_XcmsIntensityInterpolation, (char *)&answerIRec)) {
+	    return(XcmsFailure);
+	}
+	tmpRGB.blue = answerIRec.value;
+
+	memcpy((char *)&pXcmsColors_in_out->spec, (char *)&tmpRGB, sizeof(XcmsRGB));
+	(pXcmsColors_in_out++)->format = XcmsRGBFormat;
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsRGBToRGBi
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsRGBToRGBi(
+    XcmsCCC ccc,
+    XcmsColor *pXcmsColors_in_out,/* pointer to XcmsColors to convert 	*/
+    unsigned int nColors,	/* Number of colors			*/
+    Bool *pCompressed)		/* pointer to a bit array		*/
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from RGB format to RGBi format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ */
+{
+    LINEAR_RGB_SCCData *pScreenData;
+    XcmsRGBi tmpRGBi;
+    IntensityRec keyIRec, answerIRec;
+
+    /*
+     * pCompressed ignored in this function.
+     */
+
+    if (ccc == NULL) {
+	return(XcmsFailure);
+    }
+
+    pScreenData = (LINEAR_RGB_SCCData *)ccc->pPerScrnInfo->screenData;
+
+    while (nColors--) {
+
+	/* Make sure format is XcmsRGBFormat */
+	if (pXcmsColors_in_out->format != XcmsRGBFormat) {
+	    return(XcmsFailure);
+	}
+
+	keyIRec.value = pXcmsColors_in_out->spec.RGB.red;
+	if (!_XcmsTableSearch((char *)&keyIRec, ccc->visual->bits_per_rgb,
+		(char *)pScreenData->pRedTbl->pBase,
+		(unsigned)pScreenData->pRedTbl->nEntries,
+		(unsigned)sizeof(IntensityRec),
+		(comparProcp)_XcmsValueCmp, (interpolProcp)_XcmsValueInterpolation, (char *)&answerIRec)) {
+	    return(XcmsFailure);
+	}
+	tmpRGBi.red = answerIRec.intensity;
+
+	keyIRec.value = pXcmsColors_in_out->spec.RGB.green;
+	if (!_XcmsTableSearch((char *)&keyIRec, ccc->visual->bits_per_rgb,
+		(char *)pScreenData->pGreenTbl->pBase,
+		(unsigned)pScreenData->pGreenTbl->nEntries,
+		(unsigned)sizeof(IntensityRec),
+		(comparProcp)_XcmsValueCmp, (interpolProcp)_XcmsValueInterpolation, (char *)&answerIRec)) {
+	    return(XcmsFailure);
+	}
+	tmpRGBi.green = answerIRec.intensity;
+
+	keyIRec.value = pXcmsColors_in_out->spec.RGB.blue;
+	if (!_XcmsTableSearch((char *)&keyIRec, ccc->visual->bits_per_rgb,
+		(char *)pScreenData->pBlueTbl->pBase,
+		(unsigned)pScreenData->pBlueTbl->nEntries,
+		(unsigned)sizeof(IntensityRec),
+		(comparProcp)_XcmsValueCmp, (interpolProcp)_XcmsValueInterpolation, (char *)&answerIRec)) {
+	    return(XcmsFailure);
+	}
+	tmpRGBi.blue = answerIRec.intensity;
+
+	memcpy((char *)&pXcmsColors_in_out->spec, (char *)&tmpRGBi, sizeof(XcmsRGBi));
+	(pXcmsColors_in_out++)->format = XcmsRGBiFormat;
+    }
+    return(XcmsSuccess);
+}
+
+/*
+ *	NAME
+ *		_XcmsInitScrnDefaultInfo
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+int
+_XcmsLRGB_InitScrnDefault(
+    Display *dpy,
+    int screenNumber,
+    XcmsPerScrnInfo *pPerScrnInfo)
+/*
+ *	DESCRIPTION
+ *		Given a display and screen number, this routine attempts
+ *		to initialize the Xcms per Screen Info structure
+ *		(XcmsPerScrnInfo) with defaults.
+ *
+ *	RETURNS
+ *		Returns zero if initialization failed; non-zero otherwise.
+ */
+{
+    pPerScrnInfo->screenData = (XPointer)&Default_RGB_SCCData;
+    pPerScrnInfo->screenWhitePt.spec.CIEXYZ.X =
+		Default_RGB_SCCData.RGBtoXYZmatrix[0][0] +
+		Default_RGB_SCCData.RGBtoXYZmatrix[0][1] +
+		Default_RGB_SCCData.RGBtoXYZmatrix[0][2];
+    pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Y =
+		Default_RGB_SCCData.RGBtoXYZmatrix[1][0] +
+		Default_RGB_SCCData.RGBtoXYZmatrix[1][1] +
+		Default_RGB_SCCData.RGBtoXYZmatrix[1][2];
+    pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Z =
+		Default_RGB_SCCData.RGBtoXYZmatrix[2][0] +
+		Default_RGB_SCCData.RGBtoXYZmatrix[2][1] +
+		Default_RGB_SCCData.RGBtoXYZmatrix[2][2];
+    if ((pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Y < (1.0 - EPS) )
+	    || (pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Y > (1.0 + EPS))) {
+	pPerScrnInfo->screenData = (XPointer)NULL;
+	pPerScrnInfo->state = XcmsInitNone;
+	return(0);
+    }
+    pPerScrnInfo->screenWhitePt.spec.CIEXYZ.Y = 1.0;
+    pPerScrnInfo->screenWhitePt.format = XcmsCIEXYZFormat;
+    pPerScrnInfo->screenWhitePt.pixel = 0;
+    pPerScrnInfo->functionSet = (XPointer)&XcmsLinearRGBFunctionSet;
+    pPerScrnInfo->state = XcmsInitFailure; /* default initialization */
+    return(1);
+}
diff --git a/nx-X11/lib/src/xcms/Lab.c b/nx-X11/lib/src/xcms/Lab.c
new file mode 100644
index 000000000..6f7075643
--- /dev/null
+++ b/nx-X11/lib/src/xcms/Lab.c
@@ -0,0 +1,431 @@
+
+/*
+ * 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
+ *	    CIELab.c
+ *
+ *	DESCRIPTION
+ *		This file contains routines that support the CIE L*a*b*
+ *		color space to include conversions to and from the CIE
+ *		XYZ space.  These conversions are from Principles of
+ *		Color Technology Second Edition, Fred W. Billmeyer, Jr.
+ *		and Max Saltzman, John Wiley & Sons, Inc., 1981.
+ *
+ *		Note that the range for L* is 0 to 1.
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <nx-X11/Xos.h>
+#include <stdio.h> /* sscanf */
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ *		Internal definitions that need NOT be exported to any package
+ *		or program using this package.
+ */
+#ifdef DBL_EPSILON
+#  define XMY_DBL_EPSILON DBL_EPSILON
+#else
+#  define XMY_DBL_EPSILON 0.00001
+#endif
+#define DIV16BY116	0.137931
+
+/*
+ *	FORWARD DECLARATIONS
+ */
+
+static int CIELab_ParseString(register char *spec, XcmsColor *pColor);
+static Status XcmsCIELab_ValidSpec(XcmsColor *pColor);
+
+
+/*
+ *	LOCAL VARIABLES
+ */
+
+
+    /*
+     * NULL terminated list of functions applied to get from CIELab to CIEXYZ
+     */
+static XcmsConversionProc Fl_CIELab_to_CIEXYZ[] = {
+    XcmsCIELabToCIEXYZ,
+    NULL
+};
+
+    /*
+     * NULL terminated list of functions applied to get from CIEXYZ to CIELab
+     */
+static XcmsConversionProc Fl_CIEXYZ_to_CIELab[] = {
+    XcmsCIEXYZToCIELab,
+    NULL
+};
+
+
+/*
+ *	GLOBALS
+ */
+    /*
+     * CIE Lab Color Space
+     */
+XcmsColorSpace	XcmsCIELabColorSpace =
+    {
+	_XcmsCIELab_prefix,	/* prefix */
+	XcmsCIELabFormat,		/* id */
+	CIELab_ParseString,	/* parseString */
+	Fl_CIELab_to_CIEXYZ,	/* to_CIEXYZ */
+	Fl_CIEXYZ_to_CIELab,	/* from_CIEXYZ */
+	1
+    };
+
+
+/************************************************************************
+ *									*
+ *			 PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		CIELab_ParseString
+ *
+ *	SYNOPSIS
+ */
+static int
+CIELab_ParseString(
+    register char *spec,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		This routines takes a string and attempts to convert
+ *		it into a XcmsColor structure with XcmsCIELabFormat.
+ *		The assumed CIELab string syntax is:
+ *		    CIELab:<L>/<a>/<b>
+ *		Where L, a, and b are in string input format for floats
+ *		consisting of:
+ *		    a. an optional sign
+ *		    b. a string of numbers possibly containing a decimal point,
+ *		    c. an optional exponent field containing an 'E' or 'e'
+ *			followed by a possibly signed integer string.
+ *
+ *	RETURNS
+ *		0 if failed, non-zero otherwise.
+ */
+{
+    int n;
+    char *pchar;
+
+    if ((pchar = strchr(spec, ':')) == NULL) {
+	return(XcmsFailure);
+    }
+    n = (int)(pchar - spec);
+
+    /*
+     * Check for proper prefix.
+     */
+    if (strncmp(spec, _XcmsCIELab_prefix, n) != 0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Attempt to parse the value portion.
+     */
+    if (sscanf(spec + n + 1, "%lf/%lf/%lf",
+	    &pColor->spec.CIELab.L_star,
+	    &pColor->spec.CIELab.a_star,
+	    &pColor->spec.CIELab.b_star) != 3) {
+        char *s; /* Maybe failed due to locale */
+        int f;
+        if ((s = strdup(spec))) {
+            for (f = 0; s[f]; ++f)
+                if (s[f] == '.')
+                    s[f] = ',';
+                else if (s[f] == ',')
+                    s[f] = '.';
+	    if (sscanf(s + n + 1, "%lf/%lf/%lf",
+		       &pColor->spec.CIELab.L_star,
+		       &pColor->spec.CIELab.a_star,
+		       &pColor->spec.CIELab.b_star) != 3) {
+                free(s);
+                return(XcmsFailure);
+            }
+            free(s);
+        } else
+	    return(XcmsFailure);
+    }
+    pColor->format = XcmsCIELabFormat;
+    pColor->pixel = 0;
+
+    return(XcmsCIELab_ValidSpec(pColor));
+}
+
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELab_ValidSpec
+ *
+ *	SYNOPSIS
+ */
+static Status
+XcmsCIELab_ValidSpec(
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Checks if color specification valid for CIE L*a*b*.
+ *
+ *	RETURNS
+ *		XcmsFailure if invalid,
+ *		XcmsSuccess if valid.
+ *
+ */
+{
+    if (pColor->format != XcmsCIELabFormat
+	    ||
+	    (pColor->spec.CIELab.L_star < 0.0 - XMY_DBL_EPSILON)
+	    ||
+	    (pColor->spec.CIELab.L_star > 100.0 + XMY_DBL_EPSILON)) {
+	return(XcmsFailure);
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsCIELabToCIEXYZ - convert CIELab to CIEXYZ
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELabToCIEXYZ(
+    XcmsCCC ccc,
+    XcmsColor *pLab_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from CIELab format to CIEXYZ format.
+ *
+ *		WARNING: This routine assumes that Yn = 1.0;
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    XcmsCIEXYZ XYZ_return;
+    XcmsFloat tmpFloat, tmpL;
+    XcmsColor whitePt;
+    unsigned int i;
+    XcmsColor *pColor = pColors_in_out;
+
+    /*
+     * Check arguments
+     */
+    if (pLab_WhitePt == NULL || pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Make sure white point is in CIEXYZ form, if not, convert it.
+     */
+    if (pLab_WhitePt->format != XcmsCIEXYZFormat) {
+	/* Make a copy of the white point because we're going to modify it */
+	memcpy((char *)&whitePt, (char *)pLab_WhitePt, sizeof(XcmsColor));
+	if (!_XcmsDIConvertColors(ccc, &whitePt,
+		(XcmsColor *)NULL, 1, XcmsCIEXYZFormat)) {
+	    return(XcmsFailure);
+	}
+	pLab_WhitePt = &whitePt;
+    }
+
+    /*
+     * Make sure it is a white point, i.e., Y == 1.0
+     */
+    if (pLab_WhitePt->spec.CIEXYZ.Y != 1.0) {
+	return (0);
+    }
+
+    /*
+     * Now convert each XcmsColor structure to CIEXYZ form
+     */
+    for (i = 0; i < nColors; i++, pColor++) {
+
+	/* Make sure original format is CIELab */
+	if (!XcmsCIELab_ValidSpec(pColor)) {
+	    return(XcmsFailure);
+	}
+
+	/* Calculate Y: assume that Yn = 1.0 */
+	tmpL = (pColor->spec.CIELab.L_star + 16.0) / 116.0;
+	XYZ_return.Y = tmpL * tmpL * tmpL;
+
+	if (XYZ_return.Y < 0.008856) {
+	    /* Calculate Y: assume that Yn = 1.0 */
+	    tmpL = pColor->spec.CIELab.L_star / 9.03292;
+
+	    /* Calculate X */
+	    XYZ_return.X = pLab_WhitePt->spec.CIEXYZ.X *
+		    ((pColor->spec.CIELab.a_star / 3893.5) + tmpL);
+	    /* Calculate Y */
+	    XYZ_return.Y = tmpL;
+	    /* Calculate Z */
+	    XYZ_return.Z = pLab_WhitePt->spec.CIEXYZ.Z *
+		    (tmpL - (pColor->spec.CIELab.b_star / 1557.4));
+	} else {
+	    /* Calculate X */
+	    tmpFloat = tmpL + (pColor->spec.CIELab.a_star / 5.0);
+	    XYZ_return.X = pLab_WhitePt->spec.CIEXYZ.X * tmpFloat * tmpFloat * tmpFloat;
+
+	    /* Calculate Z */
+	    tmpFloat = tmpL - (pColor->spec.CIELab.b_star / 2.0);
+	    XYZ_return.Z = pLab_WhitePt->spec.CIEXYZ.Z * tmpFloat * tmpFloat * tmpFloat;
+	}
+
+	memcpy((char *)&pColor->spec.CIEXYZ, (char *)&XYZ_return,
+	       sizeof(XcmsCIEXYZ));
+	pColor->format = XcmsCIEXYZFormat;
+    }
+
+    return (1);
+}
+
+
+/*
+ *	NAME
+ *		XcmsCIEXYZToCIELab - convert CIEXYZ to CIELab
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIEXYZToCIELab(
+    XcmsCCC ccc,
+    XcmsColor *pLab_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from CIEXYZ format to CIELab format.
+ *
+ *		WARNING: This routine assumes that Yn = 1.0;
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    XcmsCIELab Lab_return;
+    XcmsFloat fX_Xn, fY_Yn, fZ_Zn;
+    XcmsColor whitePt;
+    unsigned int i;
+    XcmsColor *pColor = pColors_in_out;
+
+    /*
+     * Check arguments
+     */
+    if (pLab_WhitePt == NULL || pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Make sure white point is in CIEXYZ form, if not, convert it.
+     */
+    if (pLab_WhitePt->format != XcmsCIEXYZFormat) {
+	/* Make a copy of the white point because we're going to modify it */
+	memcpy((char *)&whitePt, (char *)pLab_WhitePt, sizeof(XcmsColor));
+	if (!_XcmsDIConvertColors(ccc, &whitePt, (XcmsColor *)NULL,
+		1, XcmsCIEXYZFormat)) {
+	    return(XcmsFailure);
+	}
+	pLab_WhitePt = &whitePt;
+    }
+
+    /*
+     * Make sure it is a white point, i.e., Y == 1.0
+     */
+    if (pLab_WhitePt->spec.CIEXYZ.Y != 1.0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Now convert each XcmsColor structure to CIEXYZ form
+     */
+    for (i = 0; i < nColors; i++, pColor++) {
+
+	/* Make sure original format is CIELab */
+	if (!_XcmsCIEXYZ_ValidSpec(pColor)) {
+	    return(XcmsFailure);
+	}
+
+	/* Calculate L*:  assume Yn = 1.0 */
+	if (pColor->spec.CIEXYZ.Y < 0.008856) {
+	    fY_Yn = (0.07787 * pColor->spec.CIEXYZ.Y) + DIV16BY116;
+	    /* note fY_Yn used to compute Lab_return.a below */
+	    Lab_return.L_star = 116.0 * (fY_Yn - DIV16BY116);
+	} else {
+	    fY_Yn = (XcmsFloat)XCMS_CUBEROOT(pColor->spec.CIEXYZ.Y);
+	    /* note fY_Yn used to compute Lab_return.a_star below */
+	    Lab_return.L_star = (116.0 * fY_Yn) - 16.0;
+	}
+
+	/* Calculate f(X/Xn) */
+	if ((fX_Xn = pColor->spec.CIEXYZ.X / pLab_WhitePt->spec.CIEXYZ.X) < 0.008856) {
+	    fX_Xn = (0.07787 * fX_Xn) + DIV16BY116;
+	} else {
+	    fX_Xn = (XcmsFloat) XCMS_CUBEROOT(fX_Xn);
+	}
+
+	/* Calculate f(Z/Zn) */
+	if ((fZ_Zn = pColor->spec.CIEXYZ.Z / pLab_WhitePt->spec.CIEXYZ.Z) < 0.008856) {
+	    fZ_Zn = (0.07787 * fZ_Zn) + DIV16BY116;
+	} else {
+	    fZ_Zn = (XcmsFloat) XCMS_CUBEROOT(fZ_Zn);
+	}
+
+	Lab_return.a_star = 5.0 * (fX_Xn - fY_Yn);
+	Lab_return.b_star = 2.0 * (fY_Yn - fZ_Zn);
+
+	memcpy((char *)&pColor->spec.CIELab, (char *)&Lab_return,
+	       sizeof(XcmsCIELab));
+	pColor->format = XcmsCIELabFormat;
+    }
+
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/LabGcC.c b/nx-X11/lib/src/xcms/LabGcC.c
new file mode 100644
index 000000000..a5ec9f457
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LabGcC.c
@@ -0,0 +1,127 @@
+
+/*
+ * 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
+ *		CIELabGcC.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsCIELabClipuv() gamut compression routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELabClipab - Reduce the chroma for a hue and L*
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsCIELabClipab (
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    unsigned int i,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Reduce the Chroma for a specific hue and chroma to
+ *		to bring the given color into the gamut of the
+ *		specified device.  As required of gamut compression
+ *		functions, this routine returns pColor_in_out
+ *		in XcmsCIEXYZFormat on successful completion.
+ *
+ *		Since this routine works with the L* within
+ *		pColor_in_out intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    Status retval;
+    XcmsColor *pColor;
+
+    /*
+     * Color specification passed as input can be assumed to:
+     *	1. Be in XcmsCIEXYZFormat
+     *	2. Already be white point adjusted for the Screen White Point.
+     *	    This means that the white point now associated with this
+     *	    color spec is the Screen White Point (even if the
+     *	    ccc->clientWhitePt differs).
+     */
+
+    pColor = pColors_in_out + i;
+
+    if (ccc->visual->class < PseudoColor) {
+	/*
+	 * GRAY !
+	 */
+	_XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
+		1, XcmsCIELabFormat);
+	_XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
+		1, XcmsCIEXYZFormat);
+	if (pCompressed) {
+	    *(pCompressed + i) = True;
+	}
+	return(XcmsSuccess);
+    } else {
+	if (pColor->format != XcmsCIELabFormat) {
+	    if (_XcmsDIConvertColors(ccc, pColor,
+		    &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIELabFormat)
+		    == XcmsFailure) {
+		return(XcmsFailure);
+	    }
+	}
+	if (XcmsCIELabQueryMaxC(ccc,
+		degrees(XCMS_CIELAB_PMETRIC_HUE(pColor->spec.CIELab.a_star,
+						pColor->spec.CIELab.b_star)),
+		pColor->spec.CIELab.L_star,
+		pColor) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+	retval = _XcmsDIConvertColors(ccc, pColor,
+		&ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat);
+	if (retval != XcmsFailure && pCompressed != NULL) {
+	    *(pCompressed + i) = True;
+	}
+	return(retval);
+    }
+}
diff --git a/nx-X11/lib/src/xcms/LabGcL.c b/nx-X11/lib/src/xcms/LabGcL.c
new file mode 100644
index 000000000..3038b18a8
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LabGcL.c
@@ -0,0 +1,174 @@
+
+/*
+ * 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
+ *		CIELabGcL.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsCIELabClipL() gamut compression routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELabClipL - Return the closest L*
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsCIELabClipL (
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    unsigned int i,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Return the closest L* for a specific hue and chroma.
+ *		This routine takes any color as input and outputs
+ *		a CIE XYZ color.
+ *
+ *		Since this routine works with the L* within
+ *		pColor_in_out intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsCCCRec	myCCC;
+    XcmsColor	*pColor;
+    XcmsColor   Lab_max;
+    XcmsFloat	hue, chroma, maxChroma;
+    Status retval;
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;/* Inherit Screen WP */
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut compression */
+
+    /*
+     * Color specification passed as input can be assumed to:
+     *	1. Be in XcmsCIEXYZFormat
+     *	2. Already be white point adjusted for the Screen White Point.
+     *	    This means that the white point now associated with this
+     *	    color spec is the Screen White Point (even if the
+     *	    ccc->clientWhitePt differs).
+     */
+
+    pColor = pColors_in_out + i;
+
+    if (ccc->visual->class < StaticColor) {
+	/*
+	 * GRAY !
+	 */
+	return(XcmsFailure);
+    } else {
+	/* Convert from CIEXYZ to CIE L*u*v* format */
+	if (_XcmsDIConvertColors(&myCCC, pColor,
+		ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELabFormat)
+		== XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	hue = XCMS_CIELAB_PMETRIC_HUE(pColor->spec.CIELab.a_star,
+				      pColor->spec.CIELab.b_star);
+	chroma = XCMS_CIELAB_PMETRIC_CHROMA(pColor->spec.CIELab.a_star,
+					    pColor->spec.CIELab.b_star);
+	/* Step 1: compute the maximum L* and chroma for this hue. */
+	/*         This copy may be overkill but it preserves the pixel etc. */
+	memcpy((char *)&Lab_max, (char *)pColor, sizeof(XcmsColor));
+	if (_XcmsCIELabQueryMaxLCRGB (&myCCC, hue, &Lab_max,
+		(XcmsRGBi *)NULL) == XcmsFailure) {
+	    return (XcmsFailure);
+	}
+	maxChroma = XCMS_CIELAB_PMETRIC_CHROMA(Lab_max.spec.CIELab.a_star,
+					       Lab_max.spec.CIELab.b_star);
+
+	/* Now check and return the appropriate L* */
+	if (chroma == maxChroma) {
+	    /* When the chroma input is equal to the maximum chroma */
+	    /* merely return the L* for that chroma. */
+	    memcpy((char *)pColor, (char *)&Lab_max, sizeof(XcmsColor));
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		    ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIEXYZFormat);
+	} else if (chroma > maxChroma) {
+	    /* When the chroma input is greater than the maximum chroma */
+	    /* merely return the L* and chroma for the given hue. */
+	    memcpy((char *)pColor, (char *)&Lab_max, sizeof(XcmsColor));
+	    return (XcmsFailure);
+	} else if (pColor->spec.CIELab.L_star < Lab_max.spec.CIELab.L_star) {
+	    /* Find the minimum lightness for the given chroma. */
+	    if (pColor->format != XcmsCIELabFormat) {
+		if (_XcmsDIConvertColors(ccc, pColor,
+			ScreenWhitePointOfCCC(ccc), 1, XcmsCIELabFormat)
+			== XcmsFailure) {
+		    return(XcmsFailure);
+		}
+	    }
+	    if (XcmsCIELabQueryMinL(&myCCC, degrees(hue), chroma, pColor)
+		== XcmsFailure) {
+		    return (XcmsFailure);
+	    }
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		           ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIEXYZFormat);
+	} else {
+	    /* Find the maximum lightness for the given chroma. */
+	    if (pColor->format != XcmsCIELabFormat) {
+		if (_XcmsDIConvertColors(ccc, pColor,
+			      ScreenWhitePointOfCCC(ccc), 1, XcmsCIELabFormat)
+			== XcmsFailure) {
+		    return(XcmsFailure);
+		}
+	    }
+	    if (XcmsCIELabQueryMaxL(&myCCC, degrees(hue), chroma, pColor)
+		== XcmsFailure) {
+		    return (XcmsFailure);
+	    }
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		           ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIEXYZFormat);
+	}
+	if (retval != XcmsFailure && pCompressed != NULL) {
+	    *(pCompressed + i) = True;
+	}
+	return(retval);
+    }
+}
diff --git a/nx-X11/lib/src/xcms/LabGcLC.c b/nx-X11/lib/src/xcms/LabGcLC.c
new file mode 100644
index 000000000..494d34e57
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LabGcLC.c
@@ -0,0 +1,223 @@
+
+/*
+ * 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
+ *		CIELabGcLC.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsCIELabClipLab() gamut
+ *		compression function.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	INTERNALS
+ *		Internal defines that need NOT be exported to any package or
+ *		program using this package.
+ */
+#define MAXBISECTCOUNT	100
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELabClipLab - Return the closest L* and chroma
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsCIELabClipLab (
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    unsigned int i,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		This routine will find the closest L* and chroma
+ *		for a specific hue.  The color input is converted to
+ *		CIE L*u*v* format and returned as CIE XYZ format.
+ *
+ *		Since this routine works with the L* within
+ *		pColor_in_out intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    Status retval;
+    XcmsCCCRec	myCCC;
+    XcmsColor	*pColor;
+    XcmsColor	Lab_max;
+    XcmsFloat	hue, chroma, maxChroma;
+    XcmsFloat	Chroma, bestChroma, Lstar, maxLstar, saveLstar;
+    XcmsFloat	bestLstar, bestastar, bestbstar;
+    XcmsFloat	nT, saveDist, tmpDist;
+    XcmsRGBi	rgb_max;
+    int		nCount, nMaxCount, nI, nILast;
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;/* inherit screen white */
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut compression func */
+
+    /*
+     * Color specification passed as input can be assumed to:
+     *	1. Be in XcmsCIEXYZFormat
+     *	2. Already be white point adjusted for the Screen White Point.
+     *	    This means that the white point now associated with this
+     *	    color spec is the Screen White Point (even if the
+     *	    ccc->clientWhitePt differs).
+     */
+
+    pColor = pColors_in_out + i;
+
+    if (ccc->visual->class < StaticColor) {
+	/*
+	 * GRAY !
+	 */
+	_XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
+		1, XcmsCIELabFormat);
+	_XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
+		1, XcmsCIEXYZFormat);
+	if (pCompressed) {
+	    *(pCompressed + i) = True;
+	}
+	return(XcmsSuccess);
+    }
+
+    /* Convert from CIEXYZ to CIELab format */
+    if (_XcmsDIConvertColors(&myCCC, pColor,
+		            ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELabFormat)
+		== XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* Step 1: compute the maximum L* and chroma for this hue. */
+    /*         This copy may be overkill but it preserves the pixel etc. */
+    saveLstar = pColor->spec.CIELab.L_star;
+    hue = XCMS_CIELAB_PMETRIC_HUE(pColor->spec.CIELab.a_star,
+				  pColor->spec.CIELab.b_star);
+    chroma = XCMS_CIELAB_PMETRIC_CHROMA(pColor->spec.CIELab.a_star,
+					pColor->spec.CIELab.b_star);
+    memcpy((char *)&Lab_max, (char *)pColor, sizeof(XcmsColor));
+    if (_XcmsCIELabQueryMaxLCRGB (&myCCC, hue, &Lab_max, &rgb_max)
+	    == XcmsFailure) {
+	return (XcmsFailure);
+    }
+    maxLstar = Lab_max.spec.CIELab.L_star;
+
+    /* Now check and return the appropriate L* */
+    if (saveLstar == maxLstar) {
+	/* When the L* input is equal to the maximum L* */
+	/* merely return the maximum Lab point. */
+	memcpy((char *)pColor, (char *)&Lab_max, sizeof(XcmsColor));
+	retval = _XcmsDIConvertColors(&myCCC, pColor,
+		           ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIEXYZFormat);
+    } else {
+	/* return the closest point on the hue leaf. */
+	/* must do a bisection here to compute the delta e. */
+	maxChroma = XCMS_CIELAB_PMETRIC_CHROMA(Lab_max.spec.CIELab.a_star,
+					       Lab_max.spec.CIELab.b_star);
+	nMaxCount = MAXBISECTCOUNT;
+	nI = nMaxCount / 2;
+	bestLstar = Lstar =  pColor->spec.CIELab.L_star;
+	bestastar = pColor->spec.CIELab.a_star;
+	bestbstar = pColor->spec.CIELab.b_star;
+	bestChroma = Chroma = chroma;
+	saveDist = XCMS_SQRT(((Chroma - maxChroma) * (Chroma - maxChroma)) +
+			     ((Lstar - maxLstar) * (Lstar - maxLstar)));
+	for (nCount = 0; nCount < nMaxCount; nCount++) {
+	    nT = (XcmsFloat) nI / (XcmsFloat) nMaxCount;
+	    if (saveLstar > maxLstar) {
+		pColor->spec.RGBi.red   = rgb_max.red * (1.0 - nT) + nT;
+		pColor->spec.RGBi.green = rgb_max.green * (1.0 - nT) + nT;
+		pColor->spec.RGBi.blue  = rgb_max.blue * (1.0 - nT) + nT;
+	    } else {
+		pColor->spec.RGBi.red   = rgb_max.red - (rgb_max.red * nT);
+		pColor->spec.RGBi.green = rgb_max.green - (rgb_max.green * nT);
+		pColor->spec.RGBi.blue  = rgb_max.blue - (rgb_max.blue * nT);
+	    }
+	    pColor->format = XcmsRGBiFormat;
+
+	    /* Convert from RGBi to CIE Lab */
+	    if (_XcmsConvertColorsWithWhitePt(&myCCC, pColor,
+	                    ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELabFormat,
+			    (Bool *) NULL) == XcmsFailure) {
+		return (XcmsFailure);
+	    }
+	    chroma = XCMS_CIELAB_PMETRIC_CHROMA(pColor->spec.CIELab.a_star,
+					        pColor->spec.CIELab.b_star);
+	    tmpDist = XCMS_SQRT(((Chroma - chroma) * (Chroma - chroma)) +
+			        ((Lstar - pColor->spec.CIELab.L_star) *
+				 (Lstar - pColor->spec.CIELab.L_star)));
+	    nILast = nI;
+	    if (tmpDist > saveDist) {
+		nI /= 2;
+	    } else {
+		nI = (nMaxCount + nI) / 2;
+		saveDist = tmpDist;
+		bestLstar = pColor->spec.CIELab.L_star;
+		bestastar = pColor->spec.CIELab.a_star;
+		bestbstar = pColor->spec.CIELab.b_star;
+		bestChroma = chroma;
+	    }
+	    if (nI == nILast || nI == 0) {
+		break;
+	    }
+	}
+	if (bestChroma >= maxChroma) {
+	    pColor->spec.CIELab.L_star = maxLstar;
+	    pColor->spec.CIELab.a_star = Lab_max.spec.CIELab.a_star;
+	    pColor->spec.CIELab.b_star = Lab_max.spec.CIELab.b_star;
+	} else {
+	    pColor->spec.CIELab.L_star = bestLstar;
+	    pColor->spec.CIELab.a_star = bestastar;
+	    pColor->spec.CIELab.b_star = bestbstar;
+	}
+	retval = _XcmsDIConvertColors(&myCCC, pColor,
+		           ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIEXYZFormat);
+
+	if (retval != XcmsFailure && pCompressed != NULL) {
+	    *(pCompressed + i) = True;
+	}
+    }
+    return(retval);
+}
diff --git a/nx-X11/lib/src/xcms/LabMnL.c b/nx-X11/lib/src/xcms/LabMnL.c
new file mode 100644
index 000000000..18ff04cd1
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LabMnL.c
@@ -0,0 +1,216 @@
+
+/*
+ * 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
+ *		CIELabMnL.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsCIELabQueryMinL() gamut boundary
+ *		querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MAXBISECTCOUNT	100
+#define EPS		(XcmsFloat)0.001
+#define START_L_STAR	(XcmsFloat)40.0
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELabQueryMinL - Compute max Lstar for a hue and chroma
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELabQueryMinL(
+    XcmsCCC ccc,
+    XcmsFloat hue_angle,	    /* hue angle in degrees */
+    XcmsFloat chroma,
+    XcmsColor *pColor_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum Lstar for a specified hue_angle and chroma.
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded with no modifications
+ *
+ */
+{
+    XcmsCCCRec	myCCC;
+    XcmsColor   max_lc, tmp, prev;
+    XcmsFloat   max_chroma, tmp_chroma;
+    XcmsFloat   hue, nT, nChroma, lastChroma, prevChroma;
+    XcmsFloat   rFactor;
+    XcmsRGBi    rgb_saved;
+    int         nCount, nMaxCount;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /* setup the CCC to use for the conversions. */
+    memcpy ((char *) &myCCC, (char *) ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc) NULL;
+
+    while (hue_angle < 0.0) {
+	hue_angle += 360.0;
+    }
+    while (hue_angle >= 360.0) {
+	hue_angle -= 360.0;
+    }
+
+    hue = radians(hue_angle);
+    tmp.spec.CIELab.L_star = START_L_STAR;
+    tmp.spec.CIELab.a_star = XCMS_CIEASTAROFHUE(hue, chroma);
+    tmp.spec.CIELab.b_star = XCMS_CIEBSTAROFHUE(hue, chroma);
+    tmp.pixel = pColor_return->pixel;
+    tmp.format = XcmsCIELabFormat;
+
+    /* Step 1: Obtain the maximum L_star and chroma for this hue. */
+    if (_XcmsCIELabQueryMaxLCRGB(&myCCC, hue, &max_lc, &rgb_saved)
+	    == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    max_chroma = XCMS_CIELAB_PMETRIC_CHROMA(max_lc.spec.CIELab.a_star,
+					    max_lc.spec.CIELab.b_star);
+
+    if (max_chroma <= chroma) {
+	/*
+	 *  If the chroma is greater than the chroma for the
+	 *  maximum L/chroma point then the L_star is the
+	 *  the L_star for the maximum L_star/chroma point.
+	 *  This is an error but I return the best approximation I can.
+         *  Thus the inconsistency.
+	 */
+	memcpy ((char *) pColor_return, (char *) &max_lc, sizeof (XcmsColor));
+	return(XcmsSuccess);
+    }
+
+    /*
+     *  If the chroma is equal to the chroma for the
+     *  maximum L_star/chroma point then the L_star is the
+     *  the L_star for the maximum L* and chroma point.
+     */
+    /* if (max_chroma == chroma) {
+     *  memcpy ((char *) pColor_return, (char *) &max_lc, sizeof (XcmsColor));
+     *	return(XcmsSuccess);
+     *    }
+     */
+
+    /* must do a bisection here to compute the maximum L* */
+    /* save the structure input so that any elements that */
+    /* are not touched are recopied later in the routine. */
+    nChroma = chroma;
+    tmp_chroma = max_chroma;
+    lastChroma = -1.0;
+    nMaxCount = MAXBISECTCOUNT;
+    rFactor = 1.0;
+
+    for (nCount = 0; nCount < nMaxCount; nCount++) {
+	prevChroma = lastChroma;
+	lastChroma = tmp_chroma;
+	nT = (nChroma - max_chroma) / max_chroma * rFactor;
+	memcpy ((char *)&prev, (char *)&tmp, sizeof(XcmsColor));
+	tmp.spec.RGBi.red   = rgb_saved.red + (rgb_saved.red * nT);
+	tmp.spec.RGBi.green = rgb_saved.green + (rgb_saved.green * nT);
+	tmp.spec.RGBi.blue  = rgb_saved.blue + (rgb_saved.blue * nT);
+	tmp.format = XcmsRGBiFormat;
+
+	/* convert from RGB to CIELab */
+	if (_XcmsConvertColorsWithWhitePt(&myCCC, &tmp,
+		ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELabFormat,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	/* Now check the return against what is expected */
+	tmp_chroma = XCMS_CIELAB_PMETRIC_CHROMA(tmp.spec.CIELab.a_star,
+						tmp.spec.CIELab.b_star);
+	if (tmp_chroma <= chroma + EPS && tmp_chroma >= chroma - EPS) {
+	    /* Found It! */
+	    memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+	    return(XcmsSuccess);
+	}
+	nChroma += chroma - tmp_chroma;
+	if (nChroma > max_chroma) {
+	    nChroma = max_chroma;
+	    rFactor *= 0.5;  /* selective relaxation employed */
+	} else if (nChroma < 0.0) {
+	    if (XCMS_FABS(lastChroma - chroma) <
+		XCMS_FABS(tmp_chroma - chroma)) {
+		memcpy ((char *)pColor_return, (char *)&prev,
+			sizeof(XcmsColor));
+	    } else {
+		memcpy ((char *)pColor_return, (char *)&tmp,
+ 			sizeof(XcmsColor));
+	    }
+	    return(XcmsSuccess);
+	} else if (tmp_chroma <= prevChroma + EPS &&
+		   tmp_chroma >= prevChroma - EPS) {
+	    rFactor *= 0.5;  /* selective relaxation employed */
+	}
+    }
+
+    if (nCount >= nMaxCount) {
+	if (XCMS_FABS(lastChroma - chroma) <
+	    XCMS_FABS(tmp_chroma - chroma)) {
+		memcpy ((char *)pColor_return, (char *)&prev,
+ 			sizeof(XcmsColor));
+	    } else {
+		memcpy ((char *)pColor_return, (char *)&tmp,
+ 			sizeof(XcmsColor));
+	}
+    }
+    memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/LabMxC.c b/nx-X11/lib/src/xcms/LabMxC.c
new file mode 100644
index 000000000..fcadd236a
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LabMxC.c
@@ -0,0 +1,203 @@
+
+/*
+ * 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
+ *		CIELabMxC.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsCIELabQueryMaxC() gamut boundary
+ *		querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MAXBISECTCOUNT	100
+#define EPS	        (XcmsFloat)0.001
+#define START_CHROMA	(XcmsFloat)3.6
+#define TOPL		(XcmsFloat)100.0
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELabQueryMaxC - max chroma for a hue_angle and L_star
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELabQueryMaxC(
+    XcmsCCC ccc,
+    XcmsFloat hue_angle,	    /* hue angle in degrees */
+    XcmsFloat L_star,
+    XcmsColor *pColor_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum chroma for a specific hue_angle and L_star.
+ *		The returned format is in XcmsCIELabFormat.
+ *
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsCCCRec	myCCC;
+    XcmsColor  tmp;
+    XcmsColor  max_lc;
+    XcmsFloat n_L_star, last_L_star, prev_L_star;
+    XcmsFloat hue, lastaStar, lastbStar, /*lastChroma,*/ maxDist, nT, rFactor;
+    XcmsRGBi   rgb_saved;
+    int nCount, nMaxCount;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /* Use my own CCC and inherit screen white Pt */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut comp func */
+
+    while (hue_angle < 0.0) {
+	hue_angle += 360.0;
+    }
+    while (hue_angle >= 360.0) {
+	hue_angle -= 360.0;
+    }
+
+    hue = radians(hue_angle);
+    tmp.spec.CIELab.L_star = L_star;
+    tmp.spec.CIELab.a_star = XCMS_CIEASTAROFHUE(hue, START_CHROMA);
+    tmp.spec.CIELab.b_star = XCMS_CIEBSTAROFHUE(hue, START_CHROMA);
+    tmp.pixel = pColor_return->pixel;
+    tmp.format = XcmsCIELabFormat;
+
+    /* Step 1: compute the maximum L_star and chroma for this hue. */
+    memcpy((char *)&max_lc, (char *)&tmp, sizeof(XcmsColor));
+    if (_XcmsCIELabQueryMaxLCRGB(&myCCC, hue, &max_lc, &rgb_saved)
+	== XcmsFailure) {
+	    return(XcmsFailure);
+    }
+
+    /*
+     * Step 2:  Do a bisection here to compute the maximum chroma
+     *          Note the differences between when the point to be found
+     *          is above the maximum LC point and when it is below.
+     */
+    if (L_star <= max_lc.spec.CIELab.L_star) {
+	maxDist = max_lc.spec.CIELab.L_star;
+    } else {
+	maxDist = TOPL - max_lc.spec.CIELab.L_star;
+    }
+
+    n_L_star = L_star;
+    last_L_star = -1.0;
+    nMaxCount = MAXBISECTCOUNT;
+    rFactor = 1.0;
+
+    for (nCount = 0; nCount < nMaxCount; nCount++) {
+	prev_L_star =  last_L_star;
+	last_L_star =  tmp.spec.CIELab.L_star;
+/*	lastChroma = XCMS_CIELAB_PMETRIC_CHROMA(tmp.spec.CIELab.a_star,  */
+/*						tmp.spec.CIELab.b_star); */
+	lastaStar = tmp.spec.CIELab.a_star;
+	lastbStar = tmp.spec.CIELab.b_star;
+	nT = (n_L_star - max_lc.spec.CIELab.L_star) / maxDist * rFactor;
+	if (nT > 0) {
+	    tmp.spec.RGBi.red = rgb_saved.red * (1.0 - nT) + nT;
+	    tmp.spec.RGBi.green = rgb_saved.green * (1.0 - nT) + nT;
+	    tmp.spec.RGBi.blue  = rgb_saved.blue * (1.0 - nT) + nT;
+	} else {
+	    tmp.spec.RGBi.red = rgb_saved.red + (rgb_saved.red * nT);
+	    tmp.spec.RGBi.green = rgb_saved.green + (rgb_saved.green * nT);
+	    tmp.spec.RGBi.blue = rgb_saved.blue + (rgb_saved.blue * nT);
+	}
+	tmp.format = XcmsRGBiFormat;
+
+	/* convert from RGB to CIELab */
+	if (_XcmsConvertColorsWithWhitePt(&myCCC, &tmp,
+			    ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELabFormat,
+			    (Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	/*
+	 * Now check if we've reached the target L_star
+	 */
+	/* printf("result Lstar = %lf\n", tmp.spec.CIELab.L_star); */
+	if (tmp.spec.CIELab.L_star <= L_star + EPS &&
+	    tmp.spec.CIELab.L_star >= L_star - EPS) {
+		memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+		return(XcmsSuccess);
+	}
+	if (nT > 0) {
+	    n_L_star += ((TOPL - n_L_star) *
+			 (L_star - tmp.spec.CIELab.L_star)) / (TOPL - L_star);
+	} else {
+	    n_L_star *= L_star / tmp.spec.CIELuv.L_star;
+	}
+	if (tmp.spec.CIELab.L_star <= prev_L_star + EPS &&
+	    tmp.spec.CIELab.L_star >= prev_L_star - EPS) {
+		rFactor *= 0.5;  /* selective relaxation employed */
+		/* printf("rFactor = %lf\n", rFactor); */
+	}
+    }
+    if (XCMS_FABS(last_L_star - L_star) <
+	XCMS_FABS(tmp.spec.CIELab.L_star - L_star)) {
+	    tmp.spec.CIELab.a_star = lastaStar;
+	    tmp.spec.CIELab.b_star = lastbStar;
+/*	    tmp.spec.CIELab.a_star = XCMS_CIEASTAROFHUE(hue, lastChroma); */
+/*	    tmp.spec.CIELab.b_star = XCMS_CIEBSTAROFHUE(hue, lastChroma); */
+    }
+    tmp.spec.CIELab.L_star = L_star;
+    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/LabMxL.c b/nx-X11/lib/src/xcms/LabMxL.c
new file mode 100644
index 000000000..66ef48481
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LabMxL.c
@@ -0,0 +1,216 @@
+
+/*
+ * 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
+ *		CIELabMxL.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsCIELabQueryMaxL() gamut boundary
+ *		querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MAXBISECTCOUNT	100
+#define EPS		(XcmsFloat)0.001
+#define START_L_STAR	(XcmsFloat)40
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELabQueryMaxL - Compute max Lstar for a hue and chroma
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELabQueryMaxL(
+    XcmsCCC ccc,
+    XcmsFloat hue_angle,	/* hue in degrees */
+    XcmsFloat chroma,
+    XcmsColor *pColor_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum Lstar for a specified hue_angle and chroma.
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded with no modifications
+ *
+ */
+{
+    XcmsCCCRec	myCCC;
+    XcmsColor   max_lc, tmp, prev;
+    XcmsFloat   max_chroma, tmp_chroma;
+    XcmsFloat   hue, nT, nChroma, lastChroma, prevChroma;
+    XcmsFloat   rFactor;
+    XcmsRGBi    rgb_saved;
+    int         nCount, nMaxCount;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /* setup the CCC to use for the conversions. */
+    memcpy ((char *) &myCCC, (char *) ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc) NULL;
+
+    while (hue_angle < 0.0) {
+	hue_angle += 360.0;
+    }
+    while (hue_angle >= 360.0) {
+	hue_angle -= 360.0;
+    }
+
+    hue = radians(hue_angle);
+    tmp.spec.CIELab.L_star = START_L_STAR;
+    tmp.spec.CIELab.a_star = XCMS_CIEASTAROFHUE(hue, chroma);
+    tmp.spec.CIELab.b_star = XCMS_CIEBSTAROFHUE(hue, chroma);
+    tmp.pixel = pColor_return->pixel;
+    tmp.format = XcmsCIELabFormat;
+
+    /* Step 1: Obtain the maximum L_star and chroma for this hue. */
+    if (_XcmsCIELabQueryMaxLCRGB(&myCCC, hue, &max_lc, &rgb_saved)
+	    == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    max_chroma = XCMS_CIELAB_PMETRIC_CHROMA(max_lc.spec.CIELab.a_star,
+					    max_lc.spec.CIELab.b_star);
+
+    if (max_chroma <= chroma) {
+	/*
+	 *  If the chroma is greater than the chroma for the
+	 *  maximum L/chroma point then the L_star is the
+	 *  the L_star for the maximum L_star/chroma point.
+	 *  This is an error but I return the best approximation I can.
+         *  Thus the inconsistency.
+	 */
+	memcpy ((char *) pColor_return, (char *) &max_lc, sizeof (XcmsColor));
+	return(XcmsSuccess);
+    }
+
+    /*
+     *  If the chroma is equal to the chroma for the
+     *  maximum L_star/chroma point then the L_star is the
+     *  the L_star for the maximum L* and chroma point.
+     */
+    /* if (max_chroma == chroma) {
+     *  memcpy ((char *) pColor_return, (char *) &max_lc, sizeof (XcmsColor));
+     *	return(XcmsSuccess);
+     *    }
+     */
+
+    /* must do a bisection here to compute the maximum L* */
+    /* save the structure input so that any elements that */
+    /* are not touched are recopied later in the routine. */
+    nChroma = chroma;
+    tmp_chroma = max_chroma;
+    lastChroma = -1.0;
+    nMaxCount = MAXBISECTCOUNT;
+    rFactor = 1.0;
+
+    for (nCount = 0; nCount < nMaxCount; nCount++) {
+	prevChroma = lastChroma;
+	lastChroma = tmp_chroma;
+	nT = (1.0 - (nChroma / max_chroma)) * rFactor;
+	memcpy ((char *)&prev, (char *)&tmp, sizeof(XcmsColor));
+	tmp.spec.RGBi.red   = rgb_saved.red * (1.0 - nT) + nT;
+	tmp.spec.RGBi.green = rgb_saved.green * (1.0 - nT) + nT;
+	tmp.spec.RGBi.blue  = rgb_saved.blue * (1.0 - nT) + nT;
+	tmp.format = XcmsRGBiFormat;
+
+	/* convert from RGB to CIELab */
+	if (_XcmsConvertColorsWithWhitePt(&myCCC, &tmp,
+		ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELabFormat,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	/* Now check the return against what is expected */
+	tmp_chroma = XCMS_CIELAB_PMETRIC_CHROMA(tmp.spec.CIELab.a_star,
+						tmp.spec.CIELab.b_star);
+	if (tmp_chroma <= chroma + EPS && tmp_chroma >= chroma - EPS) {
+	    /* Found It! */
+	    memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+	    return(XcmsSuccess);
+	}
+	nChroma += chroma - tmp_chroma;
+	if (nChroma > max_chroma) {
+	    nChroma = max_chroma;
+	    rFactor *= 0.5;  /* selective relaxation employed */
+	} else if (nChroma < 0.0) {
+	    if (XCMS_FABS(lastChroma - chroma) <
+		XCMS_FABS(tmp_chroma - chroma)) {
+		memcpy ((char *)pColor_return, (char *)&prev,
+ 			sizeof(XcmsColor));
+	    } else {
+		memcpy ((char *)pColor_return, (char *)&tmp,
+ 			sizeof(XcmsColor));
+	    }
+	    return(XcmsSuccess);
+	} else if (tmp_chroma <= prevChroma + EPS &&
+		   tmp_chroma >= prevChroma - EPS) {
+	    rFactor *= 0.5;  /* selective relaxation employed */
+	}
+    }
+
+    if (nCount >= nMaxCount) {
+	if (XCMS_FABS(lastChroma - chroma) <
+	    XCMS_FABS(tmp_chroma - chroma)) {
+		memcpy ((char *)pColor_return, (char *)&prev,
+ 			sizeof(XcmsColor));
+	    } else {
+		memcpy ((char *)pColor_return, (char *)&tmp,
+ 			sizeof(XcmsColor));
+	}
+    }
+    memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/LabMxLC.c b/nx-X11/lib/src/xcms/LabMxLC.c
new file mode 100644
index 000000000..8cc089a22
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LabMxLC.c
@@ -0,0 +1,218 @@
+
+/*
+ * 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
+ *		CIELabMxVC.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsCIELabQueryMaxLC() gamut boundary
+ *		querying routine.
+ *
+ *	DOCUMENTATION
+ *		"TekColor Color Management System, System Implementor's Manual"
+ *		and
+ *		Fred W. Billmeyer & Max Saltzman, "Principles of Color
+ *		Technology", John Wily & Sons, Inc, 1981.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MIN(x,y)	((x) > (y) ? (y) : (x))
+#define MIN3(x,y,z)	((x) > (MIN((y), (z))) ? (MIN((y), (z))) : (x))
+#define MAX(x,y)	((x) > (y) ? (x) : (y))
+#define MAX3(x,y,z)	((x) > (MAX((y), (z))) ? (x) : (MAX((y), (z))))
+#define START_LSTAR	(XcmsFloat)40.0
+#define START_CHROMA	(XcmsFloat)3.6
+
+
+/************************************************************************
+ *									*
+ *			 API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		_XcmsCIELabQueryMaxLCRGB - Compute maximum L* and chroma.
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsCIELabQueryMaxLCRGB(
+    XcmsCCC	ccc,
+    XcmsFloat	hue,		    /* hue in radians */
+    XcmsColor   *pColor_return,
+    XcmsRGBi    *pRGB_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum psychometric chroma for a specified
+ *		hue, and the corresponding L*.  This is computed
+ *		by a binary search of all possible chromas.  An assumption
+ *		is made that there are no local maxima.  Use the unrounded
+ *		Max psychometric chroma because the difference check can be
+ *		small.
+ *
+ *		NOTE:  No local CCC is used because this is a private
+ *		       routine and all routines that call it are expected
+ *		       to behave properly, i.e. send a local CCC with
+ *		       no white adjust function and no gamut compression
+ *		       function.
+ *
+ *		This routine only accepts hue in radians as input and outputs
+ *		Lab and RGBi.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *		XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsFloat nSmall, nLarge;
+    XcmsColor tmp;
+
+    tmp.format = XcmsCIELabFormat;
+    /*  Use some unreachable color on the given hue */
+    tmp.spec.CIELab.L_star = START_LSTAR;
+    tmp.spec.CIELab.a_star = XCMS_CIEASTAROFHUE(hue, START_CHROMA);
+    tmp.spec.CIELab.b_star = XCMS_CIEBSTAROFHUE(hue, START_CHROMA);
+    /*
+     * Convert from Lab to RGB
+     *
+     * Note that the CIEXYZ to RGBi conversion routine must stuff the
+     * out of bounds RGBi values in tmp when the ccc->gamutCompProc
+     * is NULL.
+     */
+    if ((_XcmsConvertColorsWithWhitePt(ccc, &tmp, ScreenWhitePointOfCCC(ccc),
+		               (unsigned int)1, XcmsRGBiFormat, (Bool *) NULL)
+	    == XcmsFailure) && tmp.format != XcmsRGBiFormat) {
+	return (XcmsFailure);
+    }
+
+    /* Now pick the smallest RGB */
+    nSmall = MIN3(tmp.spec.RGBi.red,
+		  tmp.spec.RGBi.green,
+		  tmp.spec.RGBi.blue);
+    /* Make the smallest RGB equal to zero */
+    tmp.spec.RGBi.red   -= nSmall;
+    tmp.spec.RGBi.green -= nSmall;
+    tmp.spec.RGBi.blue  -= nSmall;
+
+    /* Now pick the largest RGB */
+    nLarge = MAX3(tmp.spec.RGBi.red,
+		  tmp.spec.RGBi.green,
+		  tmp.spec.RGBi.blue);
+    /* Scale the RGB values based on the largest one */
+    tmp.spec.RGBi.red   /= nLarge;
+    tmp.spec.RGBi.green /= nLarge;
+    tmp.spec.RGBi.blue  /= nLarge;
+    tmp.format = XcmsRGBiFormat;
+
+    /* If the calling routine wants RGB value give them the ones used. */
+    if (pRGB_return) {
+	pRGB_return->red   = tmp.spec.RGBi.red;
+	pRGB_return->green = tmp.spec.RGBi.green;
+	pRGB_return->blue  = tmp.spec.RGBi.blue;
+    }
+
+    /* Convert from RGBi to Lab */
+    if (_XcmsConvertColorsWithWhitePt(ccc, &tmp,
+	       ScreenWhitePointOfCCC(ccc), 1, XcmsCIELabFormat, (Bool *) NULL)
+	    == XcmsFailure) {
+	return (XcmsFailure);
+    }
+
+    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+    return (XcmsSuccess);
+}
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELabQueryMaxLC - Compute maximum L* and chroma.
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELabQueryMaxLC (
+    XcmsCCC ccc,
+    XcmsFloat hue_angle,	    /* hue_angle in degrees */
+    XcmsColor *pColor_return)
+
+/*
+ *	DESCRIPTION
+ *		Return the point of maximum chroma for the specified
+ *		hue_angle.
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *		XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsCCCRec myCCC;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;
+
+    while (hue_angle < 0.0) {
+	hue_angle += 360.0;
+    }
+    while (hue_angle >= 360.0) {
+	hue_angle -= 360.0;
+    }
+
+    return(_XcmsCIELabQueryMaxLCRGB (&myCCC, radians(hue_angle), pColor_return,
+	    (XcmsRGBi *)NULL));
+}
diff --git a/nx-X11/lib/src/xcms/LabWpAj.c b/nx-X11/lib/src/xcms/LabWpAj.c
new file mode 100644
index 000000000..0559fdee3
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LabWpAj.c
@@ -0,0 +1,97 @@
+
+/*
+ * 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));
+}
diff --git a/nx-X11/lib/src/xcms/Luv.c b/nx-X11/lib/src/xcms/Luv.c
new file mode 100644
index 000000000..2bce977ea
--- /dev/null
+++ b/nx-X11/lib/src/xcms/Luv.c
@@ -0,0 +1,401 @@
+
+/*
+ * 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
+ *		CIELuv.c
+ *
+ *	DESCRIPTION
+ *		This file contains routines that support the CIE L*u*v*
+ *		color space to include conversions to and from the CIE
+ *		XYZ space.
+ *
+ *	DOCUMENTATION
+ *		"TekColor Color Management System, System Implementor's Manual"
+ *		and
+ *		Fred W. Billmeyer & Max Saltzman, "Principles of Color
+ *		Technology", John Wily & Sons, Inc, 1981.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <nx-X11/Xos.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+#include <stdio.h> /* sscanf */
+
+
+/*
+ *	FORWARD DECLARATIONS
+ */
+
+static int CIELuv_ParseString(register char *spec, XcmsColor *pColor);
+static Status XcmsCIELuv_ValidSpec(XcmsColor *pColor);
+
+/*
+ *	DEFINES
+ *		Internal definitions that need NOT be exported to any package
+ *		or program using this package.
+ */
+#ifdef DBL_EPSILON
+#  define XMY_DBL_EPSILON DBL_EPSILON
+#else
+#  define XMY_DBL_EPSILON 0.00001
+#endif
+
+
+/*
+ *	LOCAL VARIABLES
+ */
+
+    /*
+     * NULL terminated list of functions applied to get from CIELuv to CIEXYZ
+     */
+static XcmsConversionProc Fl_CIELuv_to_CIEXYZ[] = {
+    XcmsCIELuvToCIEuvY,
+    XcmsCIEuvYToCIEXYZ,
+    NULL
+};
+
+    /*
+     * NULL terminated list of functions applied to get from CIEXYZ to CIELuv
+     */
+static XcmsConversionProc Fl_CIEXYZ_to_CIELuv[] = {
+    XcmsCIEXYZToCIEuvY,
+    XcmsCIEuvYToCIELuv,
+    NULL
+};
+
+/*
+ *	GLOBALS
+ */
+
+    /*
+     * CIE Luv Color Space
+     */
+XcmsColorSpace	XcmsCIELuvColorSpace =
+    {
+	_XcmsCIELuv_prefix,	/* prefix */
+	XcmsCIELuvFormat,		/* id */
+	CIELuv_ParseString,	/* parseString */
+	Fl_CIELuv_to_CIEXYZ,	/* to_CIEXYZ */
+	Fl_CIEXYZ_to_CIELuv,	/* from_CIEXYZ */
+	1
+    };
+
+
+/************************************************************************
+ *									*
+ *			 PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		CIELuv_ParseString
+ *
+ *	SYNOPSIS
+ */
+static int
+CIELuv_ParseString(
+    register char *spec,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		This routines takes a string and attempts to convert
+ *		it into a XcmsColor structure with XcmsCIELuvFormat.
+ *		The assumed CIELuv string syntax is:
+ *		    CIELuv:<L>/<u>/<v>
+ *		Where L, u, and v are in string input format for floats
+ *		consisting of:
+ *		    a. an optional sign
+ *		    b. a string of numbers possibly containing a decimal point,
+ *		    c. an optional exponent field containing an 'E' or 'e'
+ *			followed by a possibly signed integer string.
+ *
+ *	RETURNS
+ *		0 if failed, non-zero otherwise.
+ */
+{
+    int n;
+    char *pchar;
+
+    if ((pchar = strchr(spec, ':')) == NULL) {
+	return(XcmsFailure);
+    }
+    n = (int)(pchar - spec);
+
+    /*
+     * Check for proper prefix.
+     */
+    if (strncmp(spec, _XcmsCIELuv_prefix, n) != 0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Attempt to parse the value portion.
+     */
+    if (sscanf(spec + n + 1, "%lf/%lf/%lf",
+	    &pColor->spec.CIELuv.L_star,
+	    &pColor->spec.CIELuv.u_star,
+	    &pColor->spec.CIELuv.v_star) != 3) {
+        char *s; /* Maybe failed due to locale */
+        int f;
+        if ((s = strdup(spec))) {
+            for (f = 0; s[f]; ++f)
+                if (s[f] == '.')
+                    s[f] = ',';
+                else if (s[f] == ',')
+                    s[f] = '.';
+	    if (sscanf(s + n + 1, "%lf/%lf/%lf",
+		       &pColor->spec.CIELuv.L_star,
+		       &pColor->spec.CIELuv.u_star,
+		       &pColor->spec.CIELuv.v_star) != 3) {
+                free(s);
+                return(XcmsFailure);
+            }
+            free(s);
+        } else
+	return(XcmsFailure);
+    }
+    pColor->format = XcmsCIELuvFormat;
+    pColor->pixel = 0;
+    return(XcmsCIELuv_ValidSpec(pColor));
+}
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELuv_ValidSpec
+ *
+ *	SYNOPSIS
+ */
+static Status
+XcmsCIELuv_ValidSpec(
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Checks if color specification valid for CIE L*u*v*.
+ *
+ *	RETURNS
+ *		XcmsFailure if invalid,
+ *		XcmsSuccess if valid.
+ *
+ */
+{
+    if (pColor->format != XcmsCIELuvFormat
+	    ||
+	    (pColor->spec.CIELuv.L_star < 0.0 - XMY_DBL_EPSILON)
+	    ||
+	    (pColor->spec.CIELuv.L_star > 100.0 + XMY_DBL_EPSILON)) {
+	return(XcmsFailure);
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsCIELuvToCIEuvY - convert CIELuv to CIEuvY
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELuvToCIEuvY(
+    XcmsCCC ccc,
+    XcmsColor *pLuv_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from CIELuv format to CIEuvY format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    XcmsColor	*pColor = pColors_in_out;
+    XcmsColor	whitePt;
+    XcmsCIEuvY	uvY_return;
+    XcmsFloat	tmpVal;
+    unsigned int i;
+
+    /*
+     * Check arguments
+     */
+    if (pLuv_WhitePt == NULL || pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Make sure white point is in CIEuvY form
+     */
+    if (pLuv_WhitePt->format != XcmsCIEuvYFormat) {
+	/* Make copy of the white point because we're going to modify it */
+	memcpy((char *)&whitePt, (char *)pLuv_WhitePt, sizeof(XcmsColor));
+	if (!_XcmsDIConvertColors(ccc, &whitePt, (XcmsColor *)NULL,
+		1, XcmsCIEuvYFormat)) {
+	    return(XcmsFailure);
+	}
+	pLuv_WhitePt = &whitePt;
+    }
+    /* Make sure it is a white point, i.e., Y == 1.0 */
+    if (pLuv_WhitePt->spec.CIEuvY.Y != 1.0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Now convert each XcmsColor structure to CIEXYZ form
+     */
+    for (i = 0; i < nColors; i++, pColor++) {
+
+	/* Make sure original format is CIELuv and is valid */
+	if (!XcmsCIELuv_ValidSpec(pColor)) {
+	    return(XcmsFailure);
+	}
+
+	if (pColor->spec.CIELuv.L_star < 7.99953624) {
+	    uvY_return.Y = pColor->spec.CIELuv.L_star / 903.29;
+	} else {
+	    tmpVal = (pColor->spec.CIELuv.L_star + 16.0) / 116.0;
+	    uvY_return.Y = tmpVal * tmpVal * tmpVal; /* tmpVal ** 3 */
+	}
+
+
+
+	if (pColor->spec.CIELuv.L_star == 0.0) {
+	    uvY_return.u_prime = pLuv_WhitePt->spec.CIEuvY.u_prime;
+	    uvY_return.v_prime = pLuv_WhitePt->spec.CIEuvY.v_prime;
+	} else {
+	    tmpVal = 13.0 * (pColor->spec.CIELuv.L_star / 100.0);
+	    uvY_return.u_prime = pColor->spec.CIELuv.u_star/tmpVal +
+			    pLuv_WhitePt->spec.CIEuvY.u_prime;
+	    uvY_return.v_prime = pColor->spec.CIELuv.v_star/tmpVal +
+			    pLuv_WhitePt->spec.CIEuvY.v_prime;
+	}
+	/* Copy result to pColor */
+	memcpy((char *)&pColor->spec, (char *)&uvY_return, sizeof(XcmsCIEuvY));
+
+	/* Identify that the format is now CIEuvY */
+	pColor->format = XcmsCIEuvYFormat;
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsCIEuvYToCIELuv - convert CIEuvY to CIELuv
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIEuvYToCIELuv(
+    XcmsCCC ccc,
+    XcmsColor *pLuv_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from CIEuvY format to CIELab format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    XcmsColor	*pColor = pColors_in_out;
+    XcmsColor	whitePt;
+    XcmsCIELuv	Luv_return;
+    XcmsFloat	tmpVal;
+    unsigned int i;
+
+    /*
+     * Check arguments
+     */
+    if (pLuv_WhitePt == NULL || pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Make sure white point is in CIEuvY form
+     */
+    if (pLuv_WhitePt->format != XcmsCIEuvYFormat) {
+	/* Make copy of the white point because we're going to modify it */
+	memcpy((char *)&whitePt, (char *)pLuv_WhitePt, sizeof(XcmsColor));
+	if (!_XcmsDIConvertColors(ccc, &whitePt,
+		(XcmsColor *)NULL, 1, XcmsCIEuvYFormat)) {
+	    return(XcmsFailure);
+	}
+	pLuv_WhitePt = &whitePt;
+    }
+    /* Make sure it is a white point, i.e., Y == 1.0 */
+    if (pLuv_WhitePt->spec.CIEuvY.Y != 1.0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Now convert each XcmsColor structure to CIEXYZ form
+     */
+    for (i = 0; i < nColors; i++, pColor++) {
+
+	if (!_XcmsCIEuvY_ValidSpec(pColor)) {
+	    return(XcmsFailure);
+	}
+
+	/* Now convert the uvY to Luv */
+	Luv_return.L_star =
+	    (pColor->spec.CIEuvY.Y < 0.008856)
+	    ?
+	    (pColor->spec.CIEuvY.Y * 903.29)
+	    :
+	    ((XcmsFloat)(XCMS_CUBEROOT(pColor->spec.CIEuvY.Y) * 116.0) - 16.0);
+	tmpVal = 13.0 * (Luv_return.L_star / 100.0);
+	Luv_return.u_star = tmpVal *
+	   (pColor->spec.CIEuvY.u_prime - pLuv_WhitePt->spec.CIEuvY.u_prime);
+	Luv_return.v_star = tmpVal *
+	   (pColor->spec.CIEuvY.v_prime - pLuv_WhitePt->spec.CIEuvY.v_prime);
+
+	/* Copy result to pColor */
+	memcpy((char *)&pColor->spec, (char *)&Luv_return, sizeof(XcmsCIELuv));
+
+	/* Identify that the format is now CIEuvY */
+	pColor->format = XcmsCIELuvFormat;
+    }
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/LuvGcC.c b/nx-X11/lib/src/xcms/LuvGcC.c
new file mode 100644
index 000000000..cadf4a8b2
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LuvGcC.c
@@ -0,0 +1,127 @@
+
+/*
+ * 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
+ *		CIELuvGcC.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsCIELuvClipuv() gamut compression routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELuvClipuv - Reduce the chroma for a hue and L*
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsCIELuvClipuv (
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    unsigned int i,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Reduce the Chroma for a specific hue and chroma to
+ *		to bring the given color into the gamut of the
+ *		specified device.  As required of gamut compression
+ *		functions, this routine returns pColor_in_out
+ *		in XcmsCIEXYZFormat on successful completion.
+ *
+ *		Since this routine works with the L* within
+ *		pColor_in_out intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    Status retval;
+    XcmsColor *pColor;
+
+    /*
+     * Color specification passed as input can be assumed to:
+     *	1. Be in XcmsCIEXYZFormat
+     *	2. Already be white point adjusted for the Screen White Point.
+     *	    This means that the white point now associated with this
+     *	    color spec is the Screen White Point (even if the
+     *	    ccc->clientWhitePt differs).
+     */
+
+    pColor = pColors_in_out + i;
+
+    if (ccc->visual->class < PseudoColor) {
+	/*
+	 * GRAY !
+	 */
+	_XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
+		1, XcmsCIELuvFormat);
+	_XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
+		1, XcmsCIEXYZFormat);
+	if (pCompressed) {
+	    *(pCompressed + i) = True;
+	}
+	return(XcmsSuccess);
+    } else {
+	if (pColor->format != XcmsCIELuvFormat) {
+	    if (_XcmsDIConvertColors(ccc, pColor,
+		    &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIELuvFormat)
+		    == XcmsFailure) {
+		return(XcmsFailure);
+	    }
+	}
+	if (XcmsCIELuvQueryMaxC(ccc,
+		degrees(XCMS_CIELUV_PMETRIC_HUE(pColor->spec.CIELuv.u_star,
+						pColor->spec.CIELuv.v_star)),
+		pColor->spec.CIELuv.L_star,
+		pColor) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+	retval = _XcmsDIConvertColors(ccc, pColor,
+		&ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat);
+	if (retval != XcmsFailure && pCompressed != NULL) {
+	    *(pCompressed + i) = True;
+	}
+	return(retval);
+    }
+}
diff --git a/nx-X11/lib/src/xcms/LuvGcL.c b/nx-X11/lib/src/xcms/LuvGcL.c
new file mode 100644
index 000000000..f5b6d99e4
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LuvGcL.c
@@ -0,0 +1,174 @@
+
+/*
+ * 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
+ *		CIELuvGcL.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsCIELuvClipL() gamut compression routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELuvClipL - Return the closest L*
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsCIELuvClipL (
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    unsigned int i,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Return the closest L* for a specific hue and chroma.
+ *		This routine takes any color as input and outputs
+ *		a CIE XYZ color.
+ *
+ *		Since this routine works with the L* within
+ *		pColor_in_out intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsCCCRec	myCCC;
+    XcmsColor	*pColor;
+    XcmsColor   Luv_max;
+    XcmsFloat	hue, chroma, maxChroma;
+    Status retval;
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;/* Inherit Screen WP */
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut compression */
+
+    /*
+     * Color specification passed as input can be assumed to:
+     *	1. Be in XcmsCIEXYZFormat
+     *	2. Already be white point adjusted for the Screen White Point.
+     *	    This means that the white point now associated with this
+     *	    color spec is the Screen White Point (even if the
+     *	    ccc->clientWhitePt differs).
+     */
+
+    pColor = pColors_in_out + i;
+
+    if (ccc->visual->class < StaticColor) {
+	/*
+	 * GRAY !
+	 */
+	return(XcmsFailure);
+    } else {
+	/* Convert from CIEXYZ to CIE L*u*v* format */
+	if (_XcmsDIConvertColors(&myCCC, pColor,
+		ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELuvFormat)
+		== XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	hue = XCMS_CIELUV_PMETRIC_HUE(pColor->spec.CIELuv.u_star,
+				      pColor->spec.CIELuv.v_star);
+	chroma = XCMS_CIELUV_PMETRIC_CHROMA(pColor->spec.CIELuv.u_star,
+					    pColor->spec.CIELuv.v_star);
+	/* Step 1: compute the maximum L* and chroma for this hue. */
+	/*         This copy may be overkill but it preserves the pixel etc. */
+	memcpy((char *)&Luv_max, (char *)pColor, sizeof(XcmsColor));
+	if (_XcmsCIELuvQueryMaxLCRGB (&myCCC, hue, &Luv_max,
+		(XcmsRGBi *)NULL) == XcmsFailure) {
+	    return (XcmsFailure);
+	}
+	maxChroma = XCMS_CIELUV_PMETRIC_CHROMA(Luv_max.spec.CIELuv.u_star,
+					       Luv_max.spec.CIELuv.v_star);
+
+	/* Now check and return the appropriate L* */
+	if (chroma == maxChroma) {
+	    /* When the chroma input is equal to the maximum chroma */
+	    /* merely return the L* for that chroma. */
+	    memcpy((char *)pColor, (char *)&Luv_max, sizeof(XcmsColor));
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		    ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIEXYZFormat);
+	} else if (chroma > maxChroma) {
+	    /* When the chroma input is greater than the maximum chroma */
+	    /* merely return the L* and chroma for the given hue. */
+	    memcpy((char *)pColor, (char *)&Luv_max, sizeof(XcmsColor));
+	    return (XcmsFailure);
+	} else if (pColor->spec.CIELuv.L_star < Luv_max.spec.CIELuv.L_star) {
+	    /* Find the minimum lightness for the given chroma. */
+	    if (pColor->format != XcmsCIELuvFormat) {
+		if (_XcmsDIConvertColors(ccc, pColor,
+			ScreenWhitePointOfCCC(ccc), 1, XcmsCIELuvFormat)
+			== XcmsFailure) {
+		    return(XcmsFailure);
+		}
+	    }
+	    if (XcmsCIELuvQueryMinL(&myCCC, degrees(hue), chroma, pColor)
+		== XcmsFailure) {
+		    return (XcmsFailure);
+	    }
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		           ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIEXYZFormat);
+	} else {
+	    /* Find the maximum lightness for the given chroma. */
+	    if (pColor->format != XcmsCIELuvFormat) {
+		if (_XcmsDIConvertColors(ccc, pColor,
+			      ScreenWhitePointOfCCC(ccc), 1, XcmsCIELuvFormat)
+			== XcmsFailure) {
+		    return(XcmsFailure);
+		}
+	    }
+	    if (XcmsCIELuvQueryMaxL(&myCCC, degrees(hue), chroma, pColor)
+		== XcmsFailure) {
+		    return (XcmsFailure);
+	    }
+	    retval = _XcmsDIConvertColors(&myCCC, pColor,
+		           ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIEXYZFormat);
+	}
+	if (retval != XcmsFailure && pCompressed != NULL) {
+	    *(pCompressed + i) = True;
+	}
+	return(retval);
+    }
+}
diff --git a/nx-X11/lib/src/xcms/LuvGcLC.c b/nx-X11/lib/src/xcms/LuvGcLC.c
new file mode 100644
index 000000000..a9f8cbaf1
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LuvGcLC.c
@@ -0,0 +1,223 @@
+
+/*
+ * 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
+ *		CIELuvGcLC.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsCIELuvClipLuv() gamut
+ *		compression function.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	INTERNALS
+ *		Internal defines that need NOT be exported to any package or
+ *		program using this package.
+ */
+#define MAXBISECTCOUNT	100
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELuvClipLuv - Return the closest L* and chroma
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsCIELuvClipLuv (
+    XcmsCCC ccc,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    unsigned int i,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		This routine will find the closest L* and chroma
+ *		for a specific hue.  The color input is converted to
+ *		CIE L*u*v* format and returned as CIE XYZ format.
+ *
+ *		Since this routine works with the L* within
+ *		pColor_in_out intermediate results may be returned
+ *		even though it may be invalid.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    Status retval;
+    XcmsCCCRec	myCCC;
+    XcmsColor	*pColor;
+    XcmsColor	Luv_max;
+    XcmsFloat	hue, chroma, maxChroma;
+    XcmsFloat	Chroma, bestChroma, Lstar, maxLstar, saveLstar;
+    XcmsFloat	bestLstar, bestustar, bestvstar;
+    XcmsFloat	nT, saveDist, tmpDist;
+    XcmsRGBi	rgb_max;
+    int		nCount, nMaxCount, nI, nILast;
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;/* inherit screen white */
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut compression func */
+
+    /*
+     * Color specification passed as input can be assumed to:
+     *	1. Be in XcmsCIEXYZFormat
+     *	2. Already be white point adjusted for the Screen White Point.
+     *	    This means that the white point now associated with this
+     *	    color spec is the Screen White Point (even if the
+     *	    ccc->clientWhitePt differs).
+     */
+
+    pColor = pColors_in_out + i;
+
+    if (ccc->visual->class < StaticColor) {
+	/*
+	 * GRAY !
+	 */
+	_XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
+		1, XcmsCIELuvFormat);
+	_XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
+		1, XcmsCIEXYZFormat);
+	if (pCompressed) {
+	    *(pCompressed + i) = True;
+	}
+	return(XcmsSuccess);
+    }
+
+    /* Convert from CIEXYZ to CIELuv format */
+    if (_XcmsDIConvertColors(&myCCC, pColor,
+		            ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELuvFormat)
+		== XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /* Step 1: compute the maximum L* and chroma for this hue. */
+    /*         This copy may be overkill but it preserves the pixel etc. */
+    saveLstar = pColor->spec.CIELuv.L_star;
+    hue = XCMS_CIELUV_PMETRIC_HUE(pColor->spec.CIELuv.u_star,
+				  pColor->spec.CIELuv.v_star);
+    chroma = XCMS_CIELUV_PMETRIC_CHROMA(pColor->spec.CIELuv.u_star,
+					pColor->spec.CIELuv.v_star);
+    memcpy((char *)&Luv_max, (char *)pColor, sizeof(XcmsColor));
+    if (_XcmsCIELuvQueryMaxLCRGB (&myCCC, hue, &Luv_max, &rgb_max)
+	    == XcmsFailure) {
+	return (XcmsFailure);
+    }
+    maxLstar = Luv_max.spec.CIELuv.L_star;
+
+    /* Now check and return the appropriate L* */
+    if (saveLstar == maxLstar) {
+	/* When the L* input is equal to the maximum L* */
+	/* merely return the maximum Luv point. */
+	memcpy((char *)pColor, (char *)&Luv_max, sizeof(XcmsColor));
+	retval = _XcmsDIConvertColors(&myCCC, pColor,
+		           ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIEXYZFormat);
+    } else {
+	/* return the closest point on the hue leaf. */
+	/* must do a bisection here to compute the delta e. */
+	maxChroma = XCMS_CIELUV_PMETRIC_CHROMA(Luv_max.spec.CIELuv.u_star,
+					       Luv_max.spec.CIELuv.v_star);
+	nMaxCount = MAXBISECTCOUNT;
+	nI = nMaxCount / 2;
+	bestLstar = Lstar = pColor->spec.CIELuv.L_star;
+	bestustar = pColor->spec.CIELuv.u_star;
+	bestvstar = pColor->spec.CIELuv.v_star;
+	bestChroma = Chroma = chroma;
+	saveDist = XCMS_SQRT(((Chroma - maxChroma) * (Chroma - maxChroma)) +
+			     ((Lstar - maxLstar) * (Lstar - maxLstar)));
+	for (nCount = 0; nCount < nMaxCount; nCount++) {
+	    nT = (XcmsFloat) nI / (XcmsFloat) nMaxCount;
+	    if (saveLstar > maxLstar) {
+		pColor->spec.RGBi.red   = rgb_max.red * (1.0 - nT) + nT;
+		pColor->spec.RGBi.green = rgb_max.green * (1.0 - nT) + nT;
+		pColor->spec.RGBi.blue  = rgb_max.blue * (1.0 - nT) + nT;
+	    } else {
+		pColor->spec.RGBi.red   = rgb_max.red - (rgb_max.red * nT);
+		pColor->spec.RGBi.green = rgb_max.green - (rgb_max.green * nT);
+		pColor->spec.RGBi.blue  = rgb_max.blue - (rgb_max.blue * nT);
+	    }
+	    pColor->format = XcmsRGBiFormat;
+
+	    /* Convert from RGBi to CIE Luv */
+	    if (_XcmsConvertColorsWithWhitePt(&myCCC, pColor,
+	                    ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELuvFormat,
+			    (Bool *) NULL) == XcmsFailure) {
+		return (XcmsFailure);
+	    }
+	    chroma = XCMS_CIELUV_PMETRIC_CHROMA(pColor->spec.CIELuv.u_star,
+					        pColor->spec.CIELuv.v_star);
+	    tmpDist = XCMS_SQRT(((Chroma - chroma) * (Chroma - chroma)) +
+				((Lstar - pColor->spec.CIELuv.L_star) *
+				 (Lstar - pColor->spec.CIELuv.L_star)));
+	    nILast = nI;
+	    if (tmpDist > saveDist) {
+		nI /= 2;
+	    } else {
+		nI = (nMaxCount + nI) / 2;
+		saveDist = tmpDist;
+		bestLstar = pColor->spec.CIELuv.L_star;
+		bestustar = pColor->spec.CIELuv.u_star;
+		bestvstar = pColor->spec.CIELuv.v_star;
+		bestChroma = chroma;
+	    }
+	    if (nI == nILast || nI == 0) {
+		break;
+	    }
+	}
+	if (bestChroma >= maxChroma) {
+	    pColor->spec.CIELuv.L_star = maxLstar;
+	    pColor->spec.CIELuv.u_star = Luv_max.spec.CIELuv.u_star;
+	    pColor->spec.CIELuv.v_star = Luv_max.spec.CIELuv.v_star;
+	} else {
+	    pColor->spec.CIELuv.L_star = bestLstar;
+	    pColor->spec.CIELuv.u_star = bestustar;
+	    pColor->spec.CIELuv.v_star = bestvstar;
+	}
+	retval = _XcmsDIConvertColors(&myCCC, pColor,
+		           ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIEXYZFormat);
+
+	if (retval != XcmsFailure && pCompressed != NULL) {
+	    *(pCompressed + i) = True;
+	}
+    }
+    return(retval);
+}
diff --git a/nx-X11/lib/src/xcms/LuvMnL.c b/nx-X11/lib/src/xcms/LuvMnL.c
new file mode 100644
index 000000000..b873fa652
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LuvMnL.c
@@ -0,0 +1,216 @@
+
+/*
+ * 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
+ *		CIELuvMnL.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsCIELuvQueryMinL() gamut boundary
+ *		querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MAXBISECTCOUNT	100
+#define EPS		(XcmsFloat)0.001
+#define START_L_STAR	(XcmsFloat)40.0
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELuvQueryMinL - Compute max Lstar for a hue and chroma
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELuvQueryMinL(
+    XcmsCCC ccc,
+    XcmsFloat hue_angle,	    /* hue angle in degrees */
+    XcmsFloat chroma,
+    XcmsColor *pColor_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum Lstar for a specified hue_angle and chroma.
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded with no modifications
+ *
+ */
+{
+    XcmsCCCRec	myCCC;
+    XcmsColor   max_lc, tmp, prev;
+    XcmsFloat   max_chroma, tmp_chroma;
+    XcmsFloat   hue, nT, nChroma, lastChroma, prevChroma;
+    XcmsFloat   rFactor;
+    XcmsRGBi    rgb_saved;
+    int         nCount, nMaxCount;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /* setup the CCC to use for the conversions. */
+    memcpy ((char *) &myCCC, (char *) ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc) NULL;
+
+    while (hue_angle < 0.0) {
+	hue_angle += 360.0;
+    }
+    while (hue_angle >= 360.0) {
+	hue_angle -= 360.0;
+    }
+
+    hue = radians(hue_angle);
+    tmp.spec.CIELuv.L_star = START_L_STAR;
+    tmp.spec.CIELuv.u_star = XCMS_CIEUSTAROFHUE(hue, chroma);
+    tmp.spec.CIELuv.v_star = XCMS_CIEVSTAROFHUE(hue, chroma);
+    tmp.pixel = pColor_return->pixel;
+    tmp.format = XcmsCIELuvFormat;
+
+    /* Step 1: Obtain the maximum L_star and chroma for this hue. */
+    if (_XcmsCIELuvQueryMaxLCRGB(&myCCC, hue, &max_lc, &rgb_saved)
+	    == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    max_chroma = XCMS_CIELUV_PMETRIC_CHROMA(max_lc.spec.CIELuv.u_star,
+					    max_lc.spec.CIELuv.v_star);
+
+    if (max_chroma <= chroma) {
+	/*
+	 *  If the chroma is greater than the chroma for the
+	 *  maximum L/chroma point then the L_star is the
+	 *  the L_star for the maximum L_star/chroma point.
+	 *  This is an error but I return the best approximation I can.
+         *  Thus the inconsistency.
+	 */
+	memcpy ((char *) pColor_return, (char *) &max_lc, sizeof (XcmsColor));
+	return(XcmsSuccess);
+    }
+
+    /*
+     *  If the chroma is equal to the chroma for the
+     *  maximum L_star/chroma point then the L_star is the
+     *  the L_star for the maximum L* and chroma point.
+     */
+    /* if (max_chroma == chroma) {
+     *  memcpy ((char *) pColor_return, (char *) &max_lc, sizeof (XcmsColor));
+     *	return(XcmsSuccess);
+     *    }
+     */
+
+    /* must do a bisection here to compute the maximum L* */
+    /* save the structure input so that any elements that */
+    /* are not touched are recopied later in the routine. */
+    nChroma = chroma;
+    tmp_chroma = max_chroma;
+    lastChroma = -1.0;
+    nMaxCount = MAXBISECTCOUNT;
+    rFactor = 1.0;
+
+    for (nCount = 0; nCount < nMaxCount; nCount++) {
+	prevChroma = lastChroma;
+	lastChroma = tmp_chroma;
+	nT = (nChroma - max_chroma) / max_chroma * rFactor;
+	memcpy ((char *)&prev, (char *)&tmp, sizeof(XcmsColor));
+	tmp.spec.RGBi.red   = rgb_saved.red + (rgb_saved.red * nT);
+	tmp.spec.RGBi.green = rgb_saved.green + (rgb_saved.green * nT);
+	tmp.spec.RGBi.blue  = rgb_saved.blue + (rgb_saved.blue * nT);
+	tmp.format = XcmsRGBiFormat;
+
+	/* convert from RGB to CIELuv */
+	if (_XcmsConvertColorsWithWhitePt(&myCCC, &tmp,
+		ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELuvFormat,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	/* Now check the return against what is expected */
+	tmp_chroma = XCMS_CIELUV_PMETRIC_CHROMA(tmp.spec.CIELuv.u_star,
+						tmp.spec.CIELuv.v_star);
+	if (tmp_chroma <= chroma + EPS && tmp_chroma >= chroma - EPS) {
+	    /* Found It! */
+	    memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+	    return(XcmsSuccess);
+	}
+	nChroma += chroma - tmp_chroma;
+	if (nChroma > max_chroma) {
+	    nChroma = max_chroma;
+	    rFactor *= 0.5;  /* selective relaxation employed */
+	} else if (nChroma < 0.0) {
+	    if (XCMS_FABS(lastChroma - chroma) <
+		XCMS_FABS(tmp_chroma - chroma)) {
+		memcpy ((char *)pColor_return, (char *)&prev,
+			sizeof(XcmsColor));
+	    } else {
+		memcpy ((char *)pColor_return, (char *)&tmp,
+ 			sizeof(XcmsColor));
+	    }
+	    return(XcmsSuccess);
+	} else if (tmp_chroma <= prevChroma + EPS &&
+		   tmp_chroma >= prevChroma - EPS) {
+	    rFactor *= 0.5;  /* selective relaxation employed */
+	}
+    }
+
+    if (nCount >= nMaxCount) {
+	if (XCMS_FABS(lastChroma - chroma) <
+	    XCMS_FABS(tmp_chroma - chroma)) {
+		memcpy ((char *)pColor_return, (char *)&prev,
+ 			sizeof(XcmsColor));
+	    } else {
+		memcpy ((char *)pColor_return, (char *)&tmp,
+ 			sizeof(XcmsColor));
+	}
+    }
+    memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/LuvMxC.c b/nx-X11/lib/src/xcms/LuvMxC.c
new file mode 100644
index 000000000..a67251477
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LuvMxC.c
@@ -0,0 +1,204 @@
+
+/*
+ * 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
+ *		CIELuvMxC.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsCIELuvQueryMaxC() gamut boundary
+ *		querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MAXBISECTCOUNT	100
+#define EPS	        (XcmsFloat)0.001
+#define START_CHROMA	(XcmsFloat)2.2
+#define TOPL		(XcmsFloat)100.0
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELuvQueryMaxC - max chroma for a hue_angle and L_star
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELuvQueryMaxC(
+    XcmsCCC ccc,
+    XcmsFloat hue_angle,	    /* hue angle in degrees */
+    XcmsFloat L_star,
+    XcmsColor *pColor_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum chroma for a specific hue_angle and L_star.
+ *		The returned format is in XcmsCIELuvFormat.
+ *
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsCCCRec	myCCC;
+    XcmsColor  tmp;
+    XcmsColor  max_lc;
+    XcmsFloat n_L_star, last_L_star, prev_L_star;
+    XcmsFloat hue, lastuStar, lastvStar, /*lastChroma,*/ maxDist, nT, rFactor;
+    XcmsRGBi   rgb_saved;
+    int nCount, nMaxCount;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /* Use my own CCC  and inherit screen white Pt */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut comp func */
+
+    while (hue_angle < 0.0) {
+	hue_angle += 360.0;
+    }
+    while (hue_angle >= 360.0) {
+	hue_angle -= 360.0;
+    }
+
+    hue = radians(hue_angle);
+    tmp.spec.CIELuv.L_star = L_star;
+    tmp.spec.CIELuv.u_star = XCMS_CIEUSTAROFHUE(hue, START_CHROMA);
+    tmp.spec.CIELuv.v_star = XCMS_CIEVSTAROFHUE(hue, START_CHROMA);
+    tmp.pixel = pColor_return->pixel;
+    tmp.format = XcmsCIELuvFormat;
+
+    /* Step 1: compute the maximum L_star and chroma for this hue. */
+    memcpy((char *)&max_lc, (char *)&tmp, sizeof(XcmsColor));
+    if (_XcmsCIELuvQueryMaxLCRGB(&myCCC, hue, &max_lc, &rgb_saved)
+	== XcmsFailure) {
+	    return(XcmsFailure);
+    }
+
+    /*
+     * Step 2:  Do a bisection here to compute the maximum chroma
+     *          Note the differences between when the point to be found
+     *          is above the maximum LC point and when it is below.
+     */
+    if (L_star <= max_lc.spec.CIELuv.L_star) {
+	maxDist = max_lc.spec.CIELuv.L_star;
+    } else {
+	maxDist = TOPL - max_lc.spec.CIELuv.L_star;
+    }
+
+    n_L_star = L_star;
+    last_L_star = -1.0;
+    nMaxCount = MAXBISECTCOUNT;
+    rFactor = 1.0;
+
+    for (nCount = 0; nCount < nMaxCount; nCount++) {
+	prev_L_star =  last_L_star;
+	last_L_star =  tmp.spec.CIELuv.L_star;
+/*	lastChroma = XCMS_CIELUV_PMETRIC_CHROMA(tmp.spec.CIELuv.u_star,  */
+/*						tmp.spec.CIELuv.v_star); */
+	lastuStar = tmp.spec.CIELuv.u_star;
+	lastvStar = tmp.spec.CIELuv.v_star;
+	nT = (n_L_star - max_lc.spec.CIELuv.L_star) / maxDist * rFactor;
+        /* printf("(n_L_star, nT) = %lf %lf ", n_L_star, nT); */
+	if (nT > 0) {
+	    tmp.spec.RGBi.red = rgb_saved.red * (1.0 - nT) + nT;
+	    tmp.spec.RGBi.green = rgb_saved.green * (1.0 - nT) + nT;
+	    tmp.spec.RGBi.blue  = rgb_saved.blue * (1.0 - nT) + nT;
+	} else {
+	    tmp.spec.RGBi.red = rgb_saved.red + (rgb_saved.red * nT);
+	    tmp.spec.RGBi.green = rgb_saved.green + (rgb_saved.green * nT);
+	    tmp.spec.RGBi.blue = rgb_saved.blue + (rgb_saved.blue * nT);
+	}
+	tmp.format = XcmsRGBiFormat;
+
+	/* convert from RGB to CIELuv */
+	if (_XcmsConvertColorsWithWhitePt(&myCCC, &tmp,
+			    ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELuvFormat,
+			    (Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	/*
+	 * Now check if we've reached the target L_star
+	 */
+	/* printf("result Lstar = %lf\n", tmp.spec.CIELuv.L_star); */
+	if (tmp.spec.CIELuv.L_star <= L_star + EPS &&
+	    tmp.spec.CIELuv.L_star >= L_star - EPS) {
+		memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+		return(XcmsSuccess);
+	}
+	if (nT > 0) {
+	    n_L_star += ((TOPL - n_L_star) *
+			 (L_star - tmp.spec.CIELuv.L_star)) / (TOPL - L_star);
+	} else {
+	    n_L_star *= L_star / tmp.spec.CIELuv.L_star;
+	}
+	if (tmp.spec.CIELuv.L_star <= prev_L_star + EPS &&
+	    tmp.spec.CIELuv.L_star >= prev_L_star - EPS) {
+		rFactor *= 0.5;  /* selective relaxation employed */
+		/* printf("rFactor = %lf\n", rFactor); */
+	}
+    }
+    if (XCMS_FABS(last_L_star - L_star) <
+	XCMS_FABS(tmp.spec.CIELuv.L_star - L_star)) {
+	    tmp.spec.CIELuv.u_star = lastuStar;
+	    tmp.spec.CIELuv.v_star = lastvStar;
+/*	    tmp.spec.CIELuv.u_star = XCMS_CIEUSTAROFHUE(hue, lastChroma); */
+/*	    tmp.spec.CIELuv.v_star = XCMS_CIEVSTAROFHUE(hue, lastChroma); */
+    }
+    tmp.spec.CIELuv.L_star = L_star;
+    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/LuvMxL.c b/nx-X11/lib/src/xcms/LuvMxL.c
new file mode 100644
index 000000000..d1d495b08
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LuvMxL.c
@@ -0,0 +1,216 @@
+
+/*
+ * 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
+ *		CIELuvMxL.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsCIELuvQueryMaxL() gamut boundary
+ *		querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MAXBISECTCOUNT	100
+#define EPS		(XcmsFloat)0.001
+#define START_L_STAR	(XcmsFloat)40.0
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELuvQueryMaxL - Compute max Lstar for a hue and chroma
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELuvQueryMaxL(
+    XcmsCCC ccc,
+    XcmsFloat hue_angle,	    /* hue angle in degrees */
+    XcmsFloat chroma,
+    XcmsColor *pColor_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum Lstar for a specified hue_angle and chroma.
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded with no modifications
+ *
+ */
+{
+    XcmsCCCRec	myCCC;
+    XcmsColor   max_lc, tmp, prev;
+    XcmsFloat   max_chroma, tmp_chroma;
+    XcmsFloat   hue, nT, nChroma, lastChroma, prevChroma;
+    XcmsFloat   rFactor;
+    XcmsRGBi    rgb_saved;
+    int         nCount, nMaxCount;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /* setup the CCC to use for the conversions. */
+    memcpy ((char *) &myCCC, (char *) ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc) NULL;
+
+    while (hue_angle < 0.0) {
+	hue_angle += 360.0;
+    }
+    while (hue_angle >= 360.0) {
+	hue_angle -= 360.0;
+    }
+
+    hue = radians(hue_angle);
+    tmp.spec.CIELuv.L_star = START_L_STAR;
+    tmp.spec.CIELuv.u_star = XCMS_CIEUSTAROFHUE(hue, chroma);
+    tmp.spec.CIELuv.v_star = XCMS_CIEVSTAROFHUE(hue, chroma);
+    tmp.pixel = pColor_return->pixel;
+    tmp.format = XcmsCIELuvFormat;
+
+    /* Step 1: Obtain the maximum L_star and chroma for this hue. */
+    if (_XcmsCIELuvQueryMaxLCRGB(&myCCC, hue, &max_lc, &rgb_saved)
+	    == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    max_chroma = XCMS_CIELUV_PMETRIC_CHROMA(max_lc.spec.CIELuv.u_star,
+					    max_lc.spec.CIELuv.v_star);
+
+    if (max_chroma <= chroma) {
+	/*
+	 *  If the chroma is greater than the chroma for the
+	 *  maximum L/chroma point then the L_star is the
+	 *  the L_star for the maximum L_star/chroma point.
+	 *  This is an error but I return the best approximation I can.
+         *  Thus the inconsistency.
+	 */
+	memcpy ((char *) pColor_return, (char *) &max_lc, sizeof (XcmsColor));
+	return(XcmsSuccess);
+    }
+
+    /*
+     *  If the chroma is equal to the chroma for the
+     *  maximum L_star/chroma point then the L_star is the
+     *  the L_star for the maximum L* and chroma point.
+     */
+    /* if (max_chroma == chroma) {
+     *  memcpy ((char *) pColor_return, (char *) &max_lc, sizeof (XcmsColor));
+     *	return(XcmsSuccess);
+     *    }
+     */
+
+    /* must do a bisection here to compute the maximum L* */
+    /* save the structure input so that any elements that */
+    /* are not touched are recopied later in the routine. */
+    nChroma = chroma;
+    tmp_chroma = max_chroma;
+    lastChroma = -1.0;
+    nMaxCount = MAXBISECTCOUNT;
+    rFactor = 1.0;
+
+    for (nCount = 0; nCount < nMaxCount; nCount++) {
+	prevChroma = lastChroma;
+	lastChroma = tmp_chroma;
+	nT = (1.0 - (nChroma / max_chroma)) * rFactor;
+	memcpy ((char *)&prev, (char *)&tmp, sizeof(XcmsColor));
+	tmp.spec.RGBi.red   = rgb_saved.red * (1.0 - nT) + nT;
+	tmp.spec.RGBi.green = rgb_saved.green * (1.0 - nT) + nT;
+	tmp.spec.RGBi.blue  = rgb_saved.blue * (1.0 - nT) + nT;
+	tmp.format = XcmsRGBiFormat;
+
+	/* convert from RGB to CIELuv */
+	if (_XcmsConvertColorsWithWhitePt(&myCCC, &tmp,
+		ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELuvFormat,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	/* Now check the return against what is expected */
+	tmp_chroma = XCMS_CIELUV_PMETRIC_CHROMA(tmp.spec.CIELuv.u_star,
+						tmp.spec.CIELuv.v_star);
+	if (tmp_chroma <= chroma + EPS && tmp_chroma >= chroma - EPS) {
+	    /* Found It! */
+	    memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+	    return(XcmsSuccess);
+	}
+	nChroma += chroma - tmp_chroma;
+	if (nChroma > max_chroma) {
+	    nChroma = max_chroma;
+	    rFactor *= 0.5;  /* selective relaxation employed */
+	} else if (nChroma < 0.0) {
+	    if (XCMS_FABS(lastChroma - chroma) <
+		XCMS_FABS(tmp_chroma - chroma)) {
+		memcpy ((char *)pColor_return, (char *)&prev,
+ 			sizeof(XcmsColor));
+	    } else {
+		memcpy ((char *)pColor_return, (char *)&tmp,
+ 			sizeof(XcmsColor));
+	    }
+	    return(XcmsSuccess);
+	} else if (tmp_chroma <= prevChroma + EPS &&
+		   tmp_chroma >= prevChroma - EPS) {
+	    rFactor *= 0.5;  /* selective relaxation employed */
+	}
+    }
+
+    if (nCount >= nMaxCount) {
+	if (XCMS_FABS(lastChroma - chroma) <
+	    XCMS_FABS(tmp_chroma - chroma)) {
+		memcpy ((char *)pColor_return, (char *)&prev,
+ 			sizeof(XcmsColor));
+	    } else {
+		memcpy ((char *)pColor_return, (char *)&tmp,
+ 			sizeof(XcmsColor));
+	}
+    }
+    memcpy ((char *) pColor_return, (char *) &tmp, sizeof (XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/LuvMxLC.c b/nx-X11/lib/src/xcms/LuvMxLC.c
new file mode 100644
index 000000000..60b954916
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LuvMxLC.c
@@ -0,0 +1,218 @@
+
+/*
+ * 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
+ *		CIELuvMxVC.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsCIELuvQueryMaxLC() gamut boundary
+ *		querying routine.
+ *
+ *	DOCUMENTATION
+ *		"TekColor Color Management System, System Implementor's Manual"
+ *		and
+ *		Fred W. Billmeyer & Max Saltzman, "Principles of Color
+ *		Technology", John Wily & Sons, Inc, 1981.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MIN(x,y)	((x) > (y) ? (y) : (x))
+#define MIN3(x,y,z)	((x) > (MIN((y), (z))) ? (MIN((y), (z))) : (x))
+#define MAX(x,y)	((x) > (y) ? (x) : (y))
+#define MAX3(x,y,z)	((x) > (MAX((y), (z))) ? (x) : (MAX((y), (z))))
+#define START_LSTAR	(XcmsFloat)40.0
+#define START_CHROMA	(XcmsFloat)2.2
+
+
+/************************************************************************
+ *									*
+ *			 API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		_XcmsCIELuvQueryMaxLCRGB - Compute maximum L* and chroma.
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsCIELuvQueryMaxLCRGB(
+    XcmsCCC	ccc,
+    XcmsFloat	hue,		/* hue in radians */
+    XcmsColor   *pColor_return,
+    XcmsRGBi    *pRGB_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum psychometric chroma for a specified
+ *		hue angle(radians), and the corresponding L*.  This is computed
+ *		by a binary search of all possible chromas.  An assumption
+ *		is made that there are no local maxima.  Use the unrounded
+ *		Max psychometric chroma because the difference check can be
+ *		small.
+ *
+ *		NOTE:  No local CCC is used because this is a private
+ *		       routine and all routines that call it are expected
+ *		       to behave properly, i.e. send a local CCC with
+ *		       no white adjust function and no gamut compression
+ *		       function.
+ *
+ *		This routine only accepts hue as input and outputs
+ *		Luv and RGBi.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *		XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsFloat nSmall, nLarge;
+    XcmsColor tmp;
+
+    tmp.format = XcmsCIELuvFormat;
+    /*  Use some unreachable color on the given hue angle */
+    tmp.spec.CIELuv.L_star = START_LSTAR;
+    tmp.spec.CIELuv.u_star = XCMS_CIEUSTAROFHUE(hue, START_CHROMA);
+    tmp.spec.CIELuv.v_star = XCMS_CIEVSTAROFHUE(hue, START_CHROMA);
+    /*
+     * Convert from Luv to RGB
+     *
+     * Note that the CIEXYZ to RGBi conversion routine must stuff the
+     * out of bounds RGBi values in tmp when the ccc->gamutCompProc
+     * is NULL.
+     */
+    if ((_XcmsConvertColorsWithWhitePt(ccc, &tmp, ScreenWhitePointOfCCC(ccc),
+		               (unsigned int)1, XcmsRGBiFormat, (Bool *) NULL)
+	    == XcmsFailure) && tmp.format != XcmsRGBiFormat) {
+	return (XcmsFailure);
+    }
+
+    /* Now pick the smallest RGB */
+    nSmall = MIN3(tmp.spec.RGBi.red,
+		  tmp.spec.RGBi.green,
+		  tmp.spec.RGBi.blue);
+    /* Make the smallest RGB equal to zero */
+    tmp.spec.RGBi.red   -= nSmall;
+    tmp.spec.RGBi.green -= nSmall;
+    tmp.spec.RGBi.blue  -= nSmall;
+
+    /* Now pick the largest RGB */
+    nLarge = MAX3(tmp.spec.RGBi.red,
+		  tmp.spec.RGBi.green,
+		  tmp.spec.RGBi.blue);
+    /* Scale the RGB values based on the largest one */
+    tmp.spec.RGBi.red   /= nLarge;
+    tmp.spec.RGBi.green /= nLarge;
+    tmp.spec.RGBi.blue  /= nLarge;
+    tmp.format = XcmsRGBiFormat;
+
+    /* If the calling routine wants RGB value give them the ones used. */
+    if (pRGB_return) {
+	pRGB_return->red   = tmp.spec.RGBi.red;
+	pRGB_return->green = tmp.spec.RGBi.green;
+	pRGB_return->blue  = tmp.spec.RGBi.blue;
+    }
+
+    /* Convert from RGBi to Luv */
+    if (_XcmsConvertColorsWithWhitePt(ccc, &tmp,
+	       ScreenWhitePointOfCCC(ccc), 1, XcmsCIELuvFormat, (Bool *) NULL)
+	    == XcmsFailure) {
+	return (XcmsFailure);
+    }
+
+    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+    return (XcmsSuccess);
+}
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELuvQueryMaxLC - Compute maximum L* and chroma.
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELuvQueryMaxLC (
+    XcmsCCC ccc,
+    XcmsFloat hue_angle,	    /* hue angle in degrees */
+    XcmsColor *pColor_return)
+
+/*
+ *	DESCRIPTION
+ *		Return the point of maximum chroma for the specified
+ *		hue angle.
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *		XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsCCCRec myCCC;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /* Use my own CCC */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;
+
+    while (hue_angle < 0.0) {
+	hue_angle += 360.0;
+    }
+    while (hue_angle >= 360.0) {
+	hue_angle -= 360.0;
+    }
+
+    return(_XcmsCIELuvQueryMaxLCRGB (&myCCC, radians(hue_angle), pColor_return,
+	    (XcmsRGBi *)NULL));
+}
diff --git a/nx-X11/lib/src/xcms/LuvWpAj.c b/nx-X11/lib/src/xcms/LuvWpAj.c
new file mode 100644
index 000000000..aa2a3f462
--- /dev/null
+++ b/nx-X11/lib/src/xcms/LuvWpAj.c
@@ -0,0 +1,96 @@
+
+/*
+ * 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
+ *		CIELuvWpAj.c
+ *
+ *	DESCRIPTION
+ *		This file contains routine(s) that support white point
+ *		adjustment of color specifications in the CIE CIELuv.color
+ *		space.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELuvWhiteShiftColors
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELuvWhiteShiftColors(
+    XcmsCCC ccc,
+    XcmsColor *pWhitePtFrom,
+    XcmsColor *pWhitePtTo,
+    XcmsColorFormat destSpecFmt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Adjusts color specifications in an array of XcmsColor
+ *		structures for white point differences.
+ *
+ *	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);
+    }
+
+    /*
+     * Convert to CIELuv using pWhitePtFrom
+     *    We can ignore return value for compression because we are converting
+     *    to XcmsCIELuvFormat which is device-independent, not device-dependent.
+     */
+    if (_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtFrom,
+	    nColors, XcmsCIELuvFormat, pCompressed) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Convert from CIELuv to destSpecFmt using pWhitePtTo
+     */
+    return(_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtTo,
+	    nColors, destSpecFmt, pCompressed));
+}
diff --git a/nx-X11/lib/src/xcms/Makefile.am b/nx-X11/lib/src/xcms/Makefile.am
new file mode 100644
index 000000000..ba7ab2403
--- /dev/null
+++ b/nx-X11/lib/src/xcms/Makefile.am
@@ -0,0 +1,92 @@
+NULL =
+
+noinst_LTLIBRARIES = libxcms.la
+
+AM_CPPFLAGS =					\
+	-I$(top_srcdir)/include			\
+	-I$(top_srcdir)/include/X11		\
+	-I$(top_builddir)/include		\
+	-I$(top_builddir)/include/X11		\
+	-I$(top_srcdir)/src/xcms		\
+	-I$(top_srcdir)/src/xkb			\
+	-I$(top_srcdir)/src/xlibi18n		\
+	-I$(top_srcdir)/src			\
+	-I$(top_srcdir)/../exports/include	\
+	-D_GNU_SOURCE				\
+	-DXCMSDIR=\"$(X11dir)\"			\
+	$(NULL)
+
+AM_CFLAGS =					\
+	$(X11_CFLAGS)				\
+	$(BIGFONT_CFLAGS)			\
+	$(XMALLOC_ZERO_CFLAGS)			\
+	$(CWARNFLAGS)
+
+libxcms_la_SOURCES =				\
+		AddDIC.c			\
+		AddSF.c				\
+		CCC.c				\
+		CvColW.c			\
+		CvCols.c			\
+		HVC.c				\
+		HVCGcC.c			\
+		HVCGcV.c			\
+		HVCGcVC.c			\
+		HVCMnV.c			\
+		HVCMxC.c			\
+		HVCMxV.c			\
+		HVCMxVC.c			\
+		HVCMxVs.c			\
+		HVCWpAj.c			\
+		IdOfPr.c			\
+		LRGB.c				\
+		Lab.c				\
+		LabGcC.c			\
+		LabGcL.c			\
+		LabGcLC.c			\
+		LabMnL.c			\
+		LabMxC.c			\
+		LabMxL.c			\
+		LabMxLC.c			\
+		LabWpAj.c			\
+		Luv.c				\
+		LuvGcC.c			\
+		LuvGcL.c			\
+		LuvGcLC.c			\
+		LuvMnL.c			\
+		LuvMxC.c			\
+		LuvMxL.c			\
+		LuvMxLC.c			\
+		LuvWpAj.c			\
+		OfCCC.c				\
+		PrOfId.c			\
+		QBlack.c			\
+		QBlue.c				\
+		QGreen.c			\
+		QRed.c				\
+		QWhite.c			\
+		QuCol.c				\
+		QuCols.c			\
+		SetCCC.c			\
+		SetGetCols.c			\
+		StCol.c				\
+		StCols.c			\
+		UNDEFINED.c			\
+		XRGB.c				\
+		XYZ.c				\
+		cmsAllCol.c			\
+		cmsAllNCol.c			\
+		cmsCmap.c			\
+		cmsColNm.c			\
+		cmsGlobls.c			\
+		cmsInt.c			\
+		cmsLkCol.c			\
+		cmsMath.c			\
+		cmsProp.c			\
+		cmsTrig.c			\
+		uvY.c				\
+		xyY.c				\
+		$(NULL)
+
+X11dir = $(X11_DATADIR)
+dist_X11_DATA = Xcms.txt
diff --git a/nx-X11/lib/src/xcms/OfCCC.c b/nx-X11/lib/src/xcms/OfCCC.c
new file mode 100644
index 000000000..06fc3d7a1
--- /dev/null
+++ b/nx-X11/lib/src/xcms/OfCCC.c
@@ -0,0 +1,162 @@
+
+/*
+ * 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
+ *		XcmsOfCCC.c - Color Conversion Context Querying Routines
+ *
+ *	DESCRIPTION
+ *		Routines to query components of a Color Conversion
+ *		Context structure.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlib.h"
+#include "Xcms.h"
+
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsDisplayOfCCC
+ *
+ *	SYNOPSIS
+ */
+
+Display *
+XcmsDisplayOfCCC(
+    XcmsCCC ccc)
+/*
+ *	DESCRIPTION
+ *		Queries the Display of the specified CCC.
+ *
+ *	RETURNS
+ *		Pointer to the Display.
+ *
+ */
+{
+    return(ccc->dpy);
+}
+
+
+/*
+ *	NAME
+ *		XcmsVisualOfCCC
+ *
+ *	SYNOPSIS
+ */
+
+Visual *
+XcmsVisualOfCCC(
+    XcmsCCC ccc)
+/*
+ *	DESCRIPTION
+ *		Queries the Visual of the specified CCC.
+ *
+ *	RETURNS
+ *		Pointer to the Visual.
+ *
+ */
+{
+    return(ccc->visual);
+}
+
+
+/*
+ *	NAME
+ *		XcmsScreenNumberOfCCC
+ *
+ *	SYNOPSIS
+ */
+
+int
+XcmsScreenNumberOfCCC(
+    XcmsCCC ccc)
+/*
+ *	DESCRIPTION
+ *		Queries the screen number of the specified CCC.
+ *
+ *	RETURNS
+ *		screen number.
+ *
+ */
+{
+    return(ccc->screenNumber);
+}
+
+
+/*
+ *	NAME
+ *		XcmsScreenWhitePointOfCCC
+ *
+ *	SYNOPSIS
+ */
+
+XcmsColor *
+XcmsScreenWhitePointOfCCC(
+    XcmsCCC ccc)
+/*
+ *	DESCRIPTION
+ *		Queries the screen white point of the specified CCC.
+ *
+ *	RETURNS
+ *		Pointer to the XcmsColor containing the screen white point.
+ *
+ */
+{
+    return(&ccc->pPerScrnInfo->screenWhitePt);
+}
+
+
+/*
+ *	NAME
+ *		XcmsClientWhitePointOfCCC
+ *
+ *	SYNOPSIS
+ */
+
+XcmsColor *
+XcmsClientWhitePointOfCCC(
+    XcmsCCC ccc)
+/*
+ *	DESCRIPTION
+ *		Queries the client white point of the specified CCC.
+ *
+ *	RETURNS
+ *		Pointer to the XcmsColor containing the client white point.
+ *
+ */
+{
+    return(&ccc->clientWhitePt);
+}
diff --git a/nx-X11/lib/src/xcms/PrOfId.c b/nx-X11/lib/src/xcms/PrOfId.c
new file mode 100644
index 000000000..a96d28cec
--- /dev/null
+++ b/nx-X11/lib/src/xcms/PrOfId.c
@@ -0,0 +1,97 @@
+
+/*
+ * 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
+ *		XcmsPrOfId.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsPrefixOfFormat()
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/*
+ *	NAME
+ *		XcmsPrefixOfId
+ *
+ *	SYNOPSIS
+ */
+char *
+XcmsPrefixOfFormat(
+    XcmsColorFormat	id)
+/*
+ *	DESCRIPTION
+ *		Returns the color space prefix for the specified color
+ *		space ID if the color space is found in the Color
+ *		Conversion Context.
+ *
+ *	RETURNS
+ *		Returns a color space prefix.
+ *
+ *	CAVEATS
+ *		Space is allocated for the returned string, therefore,
+ *		the application is responsible for freeing (using XFree)
+ *		the space.
+ *
+ */
+{
+    XcmsColorSpace	**papColorSpaces;
+
+    /*
+     * First try Device-Independent color spaces
+     */
+    papColorSpaces = _XcmsDIColorSpaces;
+    if (papColorSpaces != NULL) {
+	while (*papColorSpaces != NULL) {
+	    if ((*papColorSpaces)->id == id) {
+		return strdup((*papColorSpaces)->prefix);
+	    }
+	    papColorSpaces++;
+	}
+    }
+
+    /*
+     * Next try Device-Dependent color spaces
+     */
+    papColorSpaces = _XcmsDDColorSpaces;
+    if (papColorSpaces != NULL) {
+	while (*papColorSpaces != NULL) {
+	    if ((*papColorSpaces)->id == id) {
+		return strdup((*papColorSpaces)->prefix);
+	    }
+	    papColorSpaces++;
+	}
+    }
+
+    return(NULL);
+}
diff --git a/nx-X11/lib/src/xcms/QBlack.c b/nx-X11/lib/src/xcms/QBlack.c
new file mode 100644
index 000000000..d7a69d399
--- /dev/null
+++ b/nx-X11/lib/src/xcms/QBlack.c
@@ -0,0 +1,84 @@
+
+/*
+ * 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
+ *		XcmsQBlack.c - Query Black
+ *
+ *	DESCRIPTION
+ *		Routine to obtain a color specification for zero
+ *		red, green, and blue intensities.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcms.h"
+
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsQueryBlack
+ *
+ *	SYNOPSIS
+ */
+
+Status
+XcmsQueryBlack(
+    XcmsCCC ccc,
+    XcmsColorFormat target_format,
+    XcmsColor *pColor_ret)
+/*
+ *	DESCRIPTION
+ *		Returns the color specification in the target format for
+ *		zero intensity red, green, and blue.
+ *
+ *	RETURNS
+ *		Returns XcmsSuccess, if failed; otherwise XcmsFailure
+ *
+ */
+{
+    XcmsColor tmp;
+
+    tmp.format = XcmsRGBiFormat;
+    tmp.pixel = 0;
+    tmp.spec.RGBi.red = 0.0;
+    tmp.spec.RGBi.green = 0.0;
+    tmp.spec.RGBi.blue = 0.0;
+    if (XcmsConvertColors(ccc, &tmp, 1, target_format, NULL) != XcmsSuccess) {
+	return(XcmsFailure);
+    }
+    memcpy((char *)pColor_ret, (char *)&tmp, sizeof(XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/QBlue.c b/nx-X11/lib/src/xcms/QBlue.c
new file mode 100644
index 000000000..4555344e6
--- /dev/null
+++ b/nx-X11/lib/src/xcms/QBlue.c
@@ -0,0 +1,84 @@
+
+/*
+ * 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
+ *		XcmsQBlue.c - Query Blue
+ *
+ *	DESCRIPTION
+ *		Routine to obtain a color specification for full
+ *		blue intensity and zero red and green intensities.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcms.h"
+
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsQueryBlue
+ *
+ *	SYNOPSIS
+ */
+
+Status
+XcmsQueryBlue(
+    XcmsCCC ccc,
+    XcmsColorFormat target_format,
+    XcmsColor *pColor_ret)
+/*
+ *	DESCRIPTION
+ *		Returns the color specification in the target format for
+ *		full intensity blue and zero intensity red and green.
+ *
+ *	RETURNS
+ *		Returns XcmsSuccess, if failed; otherwise XcmsFailure
+ *
+ */
+{
+    XcmsColor tmp;
+
+    tmp.format = XcmsRGBiFormat;
+    tmp.pixel = 0;
+    tmp.spec.RGBi.red = 0.0;
+    tmp.spec.RGBi.green = 0.0;
+    tmp.spec.RGBi.blue = 1.0;
+    if (XcmsConvertColors(ccc, &tmp, 1, target_format, NULL) != XcmsSuccess) {
+	return(XcmsFailure);
+    }
+    memcpy((char *)pColor_ret, (char *)&tmp, sizeof(XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/QGreen.c b/nx-X11/lib/src/xcms/QGreen.c
new file mode 100644
index 000000000..0c888358a
--- /dev/null
+++ b/nx-X11/lib/src/xcms/QGreen.c
@@ -0,0 +1,84 @@
+
+/*
+ * 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
+ *		XcmsQGreen.c - Query Green
+ *
+ *	DESCRIPTION
+ *		Routine to obtain a color specification for full
+ *		green intensity and zero red and blue intensities.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcms.h"
+
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsQueryGreen
+ *
+ *	SYNOPSIS
+ */
+
+Status
+XcmsQueryGreen(
+    XcmsCCC ccc,
+    XcmsColorFormat target_format,
+    XcmsColor *pColor_ret)
+/*
+ *	DESCRIPTION
+ *		Returns the color specification in the target format for
+ *		full intensity green and zero intensity red and blue.
+ *
+ *	RETURNS
+ *		Returns XcmsSuccess, if failed; otherwise XcmsFailure
+ *
+ */
+{
+    XcmsColor tmp;
+
+    tmp.format = XcmsRGBiFormat;
+    tmp.pixel = 0;
+    tmp.spec.RGBi.red = 0.0;
+    tmp.spec.RGBi.green = 1.0;
+    tmp.spec.RGBi.blue = 0.0;
+    if (XcmsConvertColors(ccc, &tmp, 1, target_format, NULL) != XcmsSuccess) {
+	return(XcmsFailure);
+    }
+    memcpy((char *)pColor_ret, (char *)&tmp, sizeof(XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/QRed.c b/nx-X11/lib/src/xcms/QRed.c
new file mode 100644
index 000000000..357380d60
--- /dev/null
+++ b/nx-X11/lib/src/xcms/QRed.c
@@ -0,0 +1,84 @@
+
+/*
+ * 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
+ *		XcmsQRed.c - Query Red
+ *
+ *	DESCRIPTION
+ *		Routine to obtain a color specification for full
+ *		red intensity and zero  green and blue intensities.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcms.h"
+
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsQueryRed
+ *
+ *	SYNOPSIS
+ */
+
+Status
+XcmsQueryRed(
+    XcmsCCC ccc,
+    XcmsColorFormat target_format,
+    XcmsColor *pColor_ret)
+/*
+ *	DESCRIPTION
+ *		Returns the color specification in the target format for
+ *		full intensity red and zero intensity green and blue.
+ *
+ *	RETURNS
+ *		Returns XcmsSuccess, if failed; otherwise XcmsFailure
+ *
+ */
+{
+    XcmsColor tmp;
+
+    tmp.format = XcmsRGBiFormat;
+    tmp.pixel = 0;
+    tmp.spec.RGBi.red = 1.0;
+    tmp.spec.RGBi.green = 0.0;
+    tmp.spec.RGBi.blue = 0.0;
+    if (XcmsConvertColors(ccc, &tmp, 1, target_format, NULL) != XcmsSuccess) {
+	return(XcmsFailure);
+    }
+    memcpy((char *)pColor_ret, (char *)&tmp, sizeof(XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/QWhite.c b/nx-X11/lib/src/xcms/QWhite.c
new file mode 100644
index 000000000..36b764c9d
--- /dev/null
+++ b/nx-X11/lib/src/xcms/QWhite.c
@@ -0,0 +1,84 @@
+
+/*
+ * 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
+ *		XcmsQWhite.c - Query White
+ *
+ *	DESCRIPTION
+ *		Routine to obtain a color specification for full
+ *		red, green, and blue intensities.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcms.h"
+
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsQueryWhite
+ *
+ *	SYNOPSIS
+ */
+
+Status
+XcmsQueryWhite(
+    XcmsCCC ccc,
+    XcmsColorFormat target_format,
+    XcmsColor *pColor_ret)
+/*
+ *	DESCRIPTION
+ *		Returns the color specification in the target format for
+ *		full intensity red, green, and blue.
+ *
+ *	RETURNS
+ *		Returns XcmsSuccess, if failed; otherwise XcmsFailure
+ *
+ */
+{
+    XcmsColor tmp;
+
+    tmp.format = XcmsRGBiFormat;
+    tmp.pixel = 0;
+    tmp.spec.RGBi.red = 1.0;
+    tmp.spec.RGBi.green = 1.0;
+    tmp.spec.RGBi.blue = 1.0;
+    if (XcmsConvertColors(ccc, &tmp, 1, target_format, NULL) != XcmsSuccess) {
+	return(XcmsFailure);
+    }
+    memcpy((char *)pColor_ret, (char *)&tmp, sizeof(XcmsColor));
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/QuCol.c b/nx-X11/lib/src/xcms/QuCol.c
new file mode 100644
index 000000000..b4c1cd33a
--- /dev/null
+++ b/nx-X11/lib/src/xcms/QuCol.c
@@ -0,0 +1,78 @@
+
+/*
+ * 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
+ *		XcmsQuCol.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsQueryColors
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC ROUTINES					*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsQueryColor - Query Color
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsQueryColor(
+    Display *dpy,
+    Colormap colormap,
+    XcmsColor *pXcmsColor_in_out,
+    XcmsColorFormat result_format)
+/*
+ *	DESCRIPTION
+ *		This routine uses XQueryColor to obtain the X RGB values
+ *		stored in the specified colormap for the specified pixel.
+ *		The X RGB values are then converted to the target format as
+ *		specified by the format component of the XcmsColor structure.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed;
+ *		XcmsSuccess if it succeeded.
+ *
+ *		Returns a color specification of the color stored in the
+ *		specified pixel.
+ */
+{
+    return(_XcmsSetGetColor(XQueryColor, dpy, colormap,
+	    pXcmsColor_in_out, result_format, (Bool *) NULL));
+}
diff --git a/nx-X11/lib/src/xcms/QuCols.c b/nx-X11/lib/src/xcms/QuCols.c
new file mode 100644
index 000000000..25a38b818
--- /dev/null
+++ b/nx-X11/lib/src/xcms/QuCols.c
@@ -0,0 +1,78 @@
+
+/*
+ * 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
+ *		XcmsQuCol.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsQueryColors
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC ROUTINES					*
+ *									*
+ ************************************************************************/
+/*
+ *	NAME
+ *		XcmsQueryColors - Query Colors
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsQueryColors(
+    Display *dpy,
+    Colormap colormap,
+    XcmsColor *pXcmsColors_in_out,
+    unsigned int nColors,
+    XcmsColorFormat result_format)
+/*
+ *	DESCRIPTION
+ *		This routine uses XQueryColors to obtain the X RGB values
+ *		stored in the specified colormap for the specified pixels.
+ *		The X RGB values are then converted to the target format as
+ *		specified by the format component of the XcmsColor structure.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed;
+ *		XcmsSuccess if it succeeded.
+ *
+ *		Returns the color specifications of the colors stored in the
+ *		specified pixels.
+ */
+{
+    return(_XcmsSetGetColors(XQueryColors, dpy, colormap,
+	    pXcmsColors_in_out, nColors, result_format, (Bool *) NULL));
+}
diff --git a/nx-X11/lib/src/xcms/SetCCC.c b/nx-X11/lib/src/xcms/SetCCC.c
new file mode 100644
index 000000000..e8171b4ea
--- /dev/null
+++ b/nx-X11/lib/src/xcms/SetCCC.c
@@ -0,0 +1,138 @@
+
+/*
+ * 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.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcms.h"
+
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsSetWhitePoint
+ *
+ *	SYNOPSIS
+ */
+
+Status
+XcmsSetWhitePoint(
+    XcmsCCC ccc,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Sets the Client White Point in the specified CCC.
+ *
+ *	RETURNS
+ *		Returns XcmsSuccess if succeeded; otherwise XcmsFailure.
+ *
+ */
+{
+    if (pColor == NULL || pColor->format == XcmsUndefinedFormat) {
+	ccc->clientWhitePt.format = XcmsUndefinedFormat;
+    } else if (pColor->format != XcmsCIEXYZFormat &&
+	    pColor->format != XcmsCIEuvYFormat &&
+	    pColor->format != XcmsCIExyYFormat) {
+	return(XcmsFailure);
+    } else {
+	memcpy((char *)&ccc->clientWhitePt, (char *)pColor, sizeof(XcmsColor));
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsSetCompressionProc
+ *
+ *	SYNOPSIS
+ */
+
+XcmsCompressionProc
+XcmsSetCompressionProc(
+    XcmsCCC ccc,
+    XcmsCompressionProc compression_proc,
+    XPointer client_data)
+/*
+ *	DESCRIPTION
+ *		Set the specified CCC's compression function and client data.
+ *
+ *	RETURNS
+ *		Returns the old compression function.
+ *
+ */
+{
+    XcmsCompressionProc old = ccc->gamutCompProc;
+
+    ccc->gamutCompProc = compression_proc;
+    ccc->gamutCompClientData = client_data;
+    return(old);
+}
+
+
+/*
+ *	NAME
+ *		XcmsSetWhiteAdjustProc
+ *
+ *	SYNOPSIS
+ */
+
+XcmsWhiteAdjustProc
+XcmsSetWhiteAdjustProc(
+    XcmsCCC ccc,
+    XcmsWhiteAdjustProc white_adjust_proc,
+    XPointer client_data )
+/*
+ *	DESCRIPTION
+ *		Set the specified CCC's white_adjust function and client data.
+ *
+ *	RETURNS
+ *		Returns the old white_adjust function.
+ *
+ */
+{
+    XcmsWhiteAdjustProc old = ccc->whitePtAdjProc;
+
+    ccc->whitePtAdjProc = white_adjust_proc;
+    ccc->whitePtAdjClientData = client_data;
+    return(old);
+}
diff --git a/nx-X11/lib/src/xcms/SetGetCols.c b/nx-X11/lib/src/xcms/SetGetCols.c
new file mode 100644
index 000000000..83fa4c200
--- /dev/null
+++ b/nx-X11/lib/src/xcms/SetGetCols.c
@@ -0,0 +1,301 @@
+
+/*
+ * 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
+ *		XcmsSetGet.c
+ *
+ *	DESCRIPTION
+ *		Source for _XcmsSetGetColors()
+ *
+ *
+ */
+
+/*
+ *      EXTERNAL INCLUDES
+ *              Include files that must be exported to any package or
+ *              program using this package.
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsSetColor -
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsSetGetColor(
+    Status (*xColorProc)(
+        Display*            /* display */,
+        Colormap            /* colormap */,
+        XColor*             /* screen_in_out */),
+    Display *dpy,
+    Colormap cmap,
+    XcmsColor *pColors_in_out,
+    XcmsColorFormat result_format,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Routine containing code common to:
+ *			XcmsAllocColor
+ *			XcmsQueryColor
+ *			XcmsStoreColor
+ *
+ *	RETURNS
+ *		XcmsFailure if failed;
+ *		XcmsSuccess if it succeeded without gamut compression;
+ *		XcmsSuccessWithCompression if it succeeded with gamut
+ *			compression;
+ */
+{
+    XcmsCCC ccc;
+    XColor XColors_in_out;
+    Status retval = XcmsSuccess;
+
+    /*
+     * Argument Checking
+     *	1. Assume xColorProc is correct
+     *	2. Insure ccc not NULL
+     *	3. Assume cmap correct (should be checked by Server)
+     *	4. Insure pColors_in_out valid
+     *	5. Assume method_in is valid (should be checked by Server)
+     */
+
+    if (dpy == NULL) {
+	return(XcmsFailure);
+    }
+
+    if (result_format == XcmsUndefinedFormat) {
+	return(XcmsFailure);
+    }
+
+    if ( !((*xColorProc == XAllocColor) || (*xColorProc == XStoreColor)
+	    || (*xColorProc == XQueryColor)) ) {
+	return(XcmsFailure);
+    }
+
+    if ((ccc = XcmsCCCOfColormap(dpy, cmap)) == (XcmsCCC)NULL) {
+	return(XcmsFailure);
+    }
+
+    if (*xColorProc == XQueryColor) {
+	goto Query;
+    }
+
+    /*
+     * Convert to RGB, adjusting for white point differences if necessary.
+     */
+    if ((retval = XcmsConvertColors(ccc, pColors_in_out, 1, XcmsRGBFormat,
+	    pCompressed)) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+Query:
+    /*
+     * Convert XcmsColor to XColor structures
+     */
+    _XcmsRGB_to_XColor(pColors_in_out, &XColors_in_out, 1);
+
+    /*
+     * Now make appropriate X Call
+     */
+    if (*xColorProc == XAllocColor) {
+	if ((*xColorProc)(ccc->dpy, cmap, &XColors_in_out) == 0) {
+	    return(XcmsFailure);
+	}
+    } else if ((*xColorProc == XQueryColor) || (*xColorProc == XStoreColor)) {
+	/* Note: XQueryColor and XStoreColor do not return any Status */
+	(*xColorProc)(ccc->dpy, cmap, &XColors_in_out);
+    } else {
+	return(XcmsFailure);
+    }
+
+    if ((*xColorProc == XStoreColor)) {
+	return(retval);
+    }
+
+    /*
+     * Now, convert the returned XColor (i.e., rgb) to XcmsColor structures
+     */
+    _XColor_to_XcmsRGB(ccc, &XColors_in_out, pColors_in_out, 1);
+
+    /*
+     * Then, convert XcmsColor structures to the original specification
+     *    format.  Note that we must use NULL instead of passing
+     *    pCompressed.
+     */
+
+    if (result_format != XcmsRGBFormat) {
+	if (XcmsConvertColors(ccc, pColors_in_out, 1, result_format,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+    }
+    return(retval);
+}
+
+/*
+ *	NAME
+ *		XcmsSetColors -
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsSetGetColors(
+    Status (*xColorProc)(
+        Display*            /* display */,
+        Colormap            /* colormap */,
+        XColor*             /* screen_in_out */,
+        int                 /* nColors */),
+    Display *dpy,
+    Colormap cmap,
+    XcmsColor *pColors_in_out,
+    int nColors,
+    XcmsColorFormat result_format,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Routine containing code common to:
+ *			XcmsQueryColors
+ *			XcmsStoreColors
+ *
+ *	RETURNS
+ *		XcmsFailure if failed;
+ *		XcmsSuccess if it succeeded without gamut compression;
+ *		XcmsSuccessWithCompression if it succeeded with gamut
+ *			compression;
+ */
+{
+    XcmsCCC ccc;
+    XColor *pXColors_in_out;
+    Status retval = XcmsSuccess;
+
+    /*
+     * Argument Checking
+     *	1. Assume xColorProc is correct
+     *	2. Insure ccc not NULL
+     *	3. Assume cmap correct (should be checked by Server)
+     *	4. Insure pColors_in_out valid
+     *	5. Assume method_in is valid (should be checked by Server)
+     *	6. Insure nColors > 0
+     */
+
+    if (dpy == NULL) {
+	return(XcmsFailure);
+    }
+
+    if (nColors == 0) {
+	return(XcmsSuccess);
+    }
+
+    if (result_format == XcmsUndefinedFormat) {
+	return(XcmsFailure);
+    }
+
+    if ( !((*xColorProc == XStoreColors) || (*xColorProc == XQueryColors)) ) {
+	return(XcmsFailure);
+    }
+
+    if ((ccc = XcmsCCCOfColormap(dpy, cmap)) == (XcmsCCC)NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Allocate space for XColors
+     */
+    if ((pXColors_in_out = Xcalloc(nColors, sizeof(XColor))) ==
+	    NULL) {
+	return(XcmsFailure);
+    }
+
+    if (*xColorProc == XQueryColors) {
+	goto Query;
+    }
+
+    /*
+     * Convert to RGB, adjusting for white point differences if necessary.
+     */
+    if ((retval = XcmsConvertColors(ccc, pColors_in_out, nColors, XcmsRGBFormat,
+	    pCompressed)) == XcmsFailure) {
+        Xfree(pXColors_in_out);
+	return(XcmsFailure);
+    }
+
+Query:
+    /*
+     * Convert XcmsColor to XColor structures
+     */
+    _XcmsRGB_to_XColor(pColors_in_out, pXColors_in_out, nColors);
+
+    /*
+     * Now make appropriate X Call
+     */
+    if ((*xColorProc == XQueryColors) || (*xColorProc == XStoreColors)){
+	/* Note: XQueryColors and XStoreColors do not return any Status */
+	(*xColorProc)(ccc->dpy, cmap, pXColors_in_out, nColors);
+    } else {
+	Xfree(pXColors_in_out);
+	return(XcmsFailure);
+    }
+
+    if (*xColorProc == XStoreColors) {
+	Xfree(pXColors_in_out);
+	return(retval);
+    }
+
+    /*
+     * Now, convert the returned XColor (i.e., rgb) to XcmsColor structures
+     */
+    _XColor_to_XcmsRGB(ccc, pXColors_in_out, pColors_in_out, nColors);
+    Xfree(pXColors_in_out);
+
+    /*
+     * Then, convert XcmsColor structures to the original specification
+     *    format.  Note that we must use NULL instead of passing
+     *    pCompressed.
+     */
+    if (result_format != XcmsRGBFormat) {
+	if (XcmsConvertColors(ccc, pColors_in_out, nColors, result_format,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+    }
+
+    return(retval);
+}
+
+/* ### EOF ### */
diff --git a/nx-X11/lib/src/xcms/StCol.c b/nx-X11/lib/src/xcms/StCol.c
new file mode 100644
index 000000000..941ad0743
--- /dev/null
+++ b/nx-X11/lib/src/xcms/StCol.c
@@ -0,0 +1,82 @@
+
+/*
+ * 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
+ *		XcmsStCol.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsStoreColor
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC ROUTINES					*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsStoreColor - Store Color
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsStoreColor(
+    Display *dpy,
+    Colormap colormap,
+    XcmsColor *pColor_in)
+/*
+ *	DESCRIPTION
+ *		Given a device-dependent or device-independent color
+ *		specification, this routine will convert it to X RGB
+ *		values then use it in a call to XStoreColor.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed;
+ *		XcmsSuccess if it succeeded without gamut compression;
+ *		XcmsSuccessWithCompression if it succeeded with gamut
+ *			compression;
+ *
+ *		Since XStoreColor has no return value this routine
+ *		does not return the color specification of the color actually
+ *		stored.
+ */
+{
+    XcmsColor tmpColor;
+
+    tmpColor = *pColor_in;
+    return(_XcmsSetGetColor(XStoreColor, dpy, colormap,
+			      &tmpColor, XcmsRGBFormat, (Bool *) NULL));
+}
diff --git a/nx-X11/lib/src/xcms/StCols.c b/nx-X11/lib/src/xcms/StCols.c
new file mode 100644
index 000000000..42a29cd7f
--- /dev/null
+++ b/nx-X11/lib/src/xcms/StCols.c
@@ -0,0 +1,112 @@
+
+/*
+ * 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
+ *		XcmsStCols.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsStoreColors
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC ROUTINES					*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsStoreColors - Store Colors
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsStoreColors(
+    Display *dpy,
+    Colormap colormap,
+    XcmsColor *pColors_in,
+    unsigned int nColors,
+    Bool *pCompressed)
+/*
+ *	DESCRIPTION
+ *		Given device-dependent or device-independent color
+ *		specifications, this routine will convert them to X RGB
+ *		values then use it in a call to XStoreColors.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed;
+ *		XcmsSuccess if it succeeded without gamut compression;
+ *		XcmsSuccessWithCompression if it succeeded with gamut
+ *			compression;
+ *
+ *		Since XStoreColors has no return value, this routine
+ *		does not return color specifications of the colors actually
+ *		stored.
+ */
+{
+    XcmsColor Color1;
+    XcmsColor *pColors_tmp;
+    Status retval;
+
+    /*
+     * Make copy of array of color specifications so we don't
+     * overwrite the contents.
+     */
+    if (nColors > 1) {
+	pColors_tmp = Xmalloc(nColors * sizeof(XcmsColor));
+    } else {
+	pColors_tmp = &Color1;
+    }
+    memcpy((char *)pColors_tmp, (char *)pColors_in,
+ 	    nColors * sizeof(XcmsColor));
+
+    /*
+     * Call routine to store colors using the copied color structures
+     */
+    retval = _XcmsSetGetColors (XStoreColors, dpy, colormap,
+	    pColors_tmp, nColors, XcmsRGBFormat, pCompressed);
+
+    /*
+     * Free copies as needed.
+     */
+    if (nColors > 1) {
+	Xfree(pColors_tmp);
+    }
+
+    /*
+     * Ah, finally return.
+     */
+    return(retval);
+}
diff --git a/nx-X11/lib/src/xcms/UNDEFINED.c b/nx-X11/lib/src/xcms/UNDEFINED.c
new file mode 100644
index 000000000..7b1bdb68c
--- /dev/null
+++ b/nx-X11/lib/src/xcms/UNDEFINED.c
@@ -0,0 +1,131 @@
+
+/*
+ * 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
+ *		UNDEFINED.c
+ *
+ *	DESCRIPTION
+ *		UNDEFINED Color Space
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+
+/*
+ *      FORWARD DECLARATIONS
+ */
+static int DummyParseStringProc(
+    char*               /* color_string */,
+    XcmsColor*          /* color_return */
+    );
+static Status ReturnZero(
+    XcmsCCC             /* ccc */,
+    XcmsColor*          /* white_point */,
+    XcmsColor*          /* colors */,
+    unsigned int        /* ncolors */
+    );
+
+
+/*
+ *      LOCALS VARIABLES
+ */
+
+static Status (*(Fl_ReturnZero[]))(
+    XcmsCCC             /* ccc */,
+    XcmsColor*          /* white_point */,
+    XcmsColor*          /* colors */,
+    unsigned int        /* ncolors */
+    ) = {
+    ReturnZero,
+    NULL
+};
+
+
+/*
+ *      GLOBALS
+ *              Variables declared in this package that are allowed
+ *		to be used globally.
+ */
+    /*
+     * UNDEFINED Color Space
+     */
+XcmsColorSpace	XcmsUNDEFINEDColorSpace =
+    {
+	"undefined",		/* prefix */
+	XcmsUndefinedFormat,	/* id */
+	&DummyParseStringProc,	/* parseString */
+	Fl_ReturnZero,		/* to_CIEXYZ */
+	Fl_ReturnZero		/* from_CIEXYZ */
+    };
+
+
+
+/************************************************************************
+ *									*
+ *			PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		ReturnZero
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+static Status
+ReturnZero(
+    XcmsCCC             ccc /* ccc */,
+    XcmsColor*          white /* white_point */,
+    XcmsColor*          colors /* colors */,
+    unsigned int        ncolors /* ncolors */
+    )
+/*
+ *	DESCRIPTION
+ *		Does nothing.
+ *
+ *	RETURNS
+ *		0
+ *
+ */
+{
+    return(0);
+}
+
+static int DummyParseStringProc(
+    char*               color_string /* color_string */,
+    XcmsColor*          color_return /* color_return */
+    )
+{
+    return(0);
+}
+
+/* ### EOF ### */
diff --git a/nx-X11/lib/src/xcms/XRGB.c b/nx-X11/lib/src/xcms/XRGB.c
new file mode 100644
index 000000000..03f980e99
--- /dev/null
+++ b/nx-X11/lib/src/xcms/XRGB.c
@@ -0,0 +1,242 @@
+
+/*
+ * 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
+ *		XcmsRtoX.c
+ *
+ *	DESCRIPTION
+ *		Convert color specifications in XcmsRGB format in one array of
+ *		XcmsColor structures to RGB in an array of XColor structures.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *      LOCAL VARIABLES
+ */
+
+static unsigned short const MASK[17] = {
+    0x0000,	/*  0 bitsPerRGB */
+    0x8000,	/*  1 bitsPerRGB */
+    0xc000,	/*  2 bitsPerRGB */
+    0xe000,	/*  3 bitsPerRGB */
+    0xf000,	/*  4 bitsPerRGB */
+    0xf800,	/*  5 bitsPerRGB */
+    0xfc00,	/*  6 bitsPerRGB */
+    0xfe00,	/*  7 bitsPerRGB */
+    0xff00,	/*  8 bitsPerRGB */
+    0xff80,	/*  9 bitsPerRGB */
+    0xffc0,	/* 10 bitsPerRGB */
+    0xffe0,	/* 11 bitsPerRGB */
+    0xfff0,	/* 12 bitsPerRGB */
+    0xfff8,	/* 13 bitsPerRGB */
+    0xfffc,	/* 14 bitsPerRGB */
+    0xfffe,	/* 15 bitsPerRGB */
+    0xffff	/* 16 bitsPerRGB */
+};
+
+
+
+/************************************************************************
+ *									*
+ *			API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		_XcmsRGB_to_XColor -
+ *
+ *	SYNOPSIS
+ */
+void
+_XcmsRGB_to_XColor(
+    XcmsColor *pColors,
+    XColor *pXColors,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *	    Translates a color specification in XcmsRGBFormat in a XcmsColor
+ * 	    structure to an XColor structure.
+ *
+ *	RETURNS
+ *		void.
+ */
+{
+    for (; nColors--; pXColors++, pColors++) {
+	pXColors->pixel = pColors->pixel;
+	pXColors->red = pColors->spec.RGB.red;
+	pXColors->green = pColors->spec.RGB.green;
+	pXColors->blue  = pColors->spec.RGB.blue;
+	pXColors->flags = (DoRed | DoGreen | DoBlue);
+    }
+}
+
+
+/*
+ *	NAME
+ *		_XColor_to_XcmsRGB
+ *
+ *	SYNOPSIS
+ */
+void
+_XColor_to_XcmsRGB(
+    XcmsCCC ccc,
+    XColor *pXColors,
+    XcmsColor *pColors,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Translates an RGB color specification in an XColor
+ *		structure to an XcmsRGB structure.
+ *
+ *		IMPORTANT NOTE:  Bit replication that may have been caused
+ *		with ResolveColor() routine in the X Server is undone
+ *		here if requested!  For example, if red = 0xcaca and the
+ *		bits_per_rgb is 8, then spec.RGB.red will be 0xca00.
+ *
+ *	RETURNS
+ *		void
+ */
+{
+    int bits_per_rgb = ccc->visual->bits_per_rgb;
+
+    for (; nColors--; pXColors++, pColors++) {
+	pColors->spec.RGB.red = (pXColors->red & MASK[bits_per_rgb]);
+	pColors->spec.RGB.green = (pXColors->green & MASK[bits_per_rgb]);
+	pColors->spec.RGB.blue = (pXColors->blue & MASK[bits_per_rgb]);
+	pColors->format = XcmsRGBFormat;
+	pColors->pixel = pXColors->pixel;
+    }
+}
+
+
+/*
+ *	NAME
+ *		_XcmsResolveColor
+ *
+ *	SYNOPSIS
+ */
+void
+_XcmsResolveColor(
+    XcmsCCC ccc,
+    XcmsColor *pXcmsColor)
+/*
+ *	DESCRIPTION
+ *	    Uses the X Server ResolveColor() algorithm to
+ *	    modify values to closest values supported by hardware.
+ *	    Old algorithm simply masked low-order bits.  The new algorithm
+ *	    has the effect of replicating significant bits into lower order
+ *	    bits in order to stretch the hardware value into all 16 bits.
+ *
+ *	    On a display with N-bit DACs, the "hardware" color is computed as:
+ *
+ *	    ((unsignedlong)(ClientValue >> (16-N)) * 0xFFFF) / ((1 << N) - 1)
+ *
+ *
+ *	RETURNS
+ *		void.
+ */
+{
+    int shift;
+    int max_color;
+
+    shift = 16 - ccc->visual->bits_per_rgb;
+    max_color = (1 << ccc->visual->bits_per_rgb) - 1;
+
+
+    pXcmsColor->spec.RGB.red =
+	    ((unsigned long)(pXcmsColor->spec.RGB.red >> shift) * 0xFFFF)
+	    / max_color;
+    pXcmsColor->spec.RGB.green =
+	    ((unsigned long)(pXcmsColor->spec.RGB.green >> shift) * 0xFFFF)
+	    / max_color;
+    pXcmsColor->spec.RGB.blue =
+	    ((unsigned long)(pXcmsColor->spec.RGB.blue  >> shift) * 0xFFFF)
+	    / max_color;
+}
+
+
+/*
+ *	NAME
+ *		_XcmsUnresolveColor
+ *
+ *	SYNOPSIS
+ */
+void
+_XcmsUnresolveColor(
+    XcmsCCC ccc,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Masks out insignificant bits.
+ *
+ *	RETURNS
+ *		void.
+ *
+ *	ASSUMPTIONS
+ *		format == XcmsRGBFormat
+ */
+{
+    int bits_per_rgb = ccc->visual->bits_per_rgb;
+
+    pColor->spec.RGB.red &= MASK[bits_per_rgb];
+    pColor->spec.RGB.green &= MASK[bits_per_rgb];
+    pColor->spec.RGB.blue &= MASK[bits_per_rgb];
+}
+
+
+/*
+ *	NAME
+ *		_XUnresolveColor
+ *
+ *	SYNOPSIS
+ */
+void
+_XUnresolveColor(
+    XcmsCCC ccc,
+    XColor *pXColor)
+/*
+ *	DESCRIPTION
+ *		Masks out insignificant bits.
+ *
+ *	RETURNS
+ *		void.
+ */
+{
+    int bits_per_rgb = ccc->visual->bits_per_rgb;
+
+    pXColor->red &= MASK[bits_per_rgb];
+    pXColor->green &= MASK[bits_per_rgb];
+    pXColor->blue &= MASK[bits_per_rgb];
+}
+
diff --git a/nx-X11/lib/src/xcms/XYZ.c b/nx-X11/lib/src/xcms/XYZ.c
new file mode 100644
index 000000000..826565773
--- /dev/null
+++ b/nx-X11/lib/src/xcms/XYZ.c
@@ -0,0 +1,203 @@
+
+/*
+ * 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
+ *		CIEXYZ.c
+ *
+ *	DESCRIPTION
+ *		CIE XYZ Color Space
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <nx-X11/Xos.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+#include <stdio.h> /* sscanf */
+
+/*
+ *	DEFINES
+ *		Internal definitions that need NOT be exported to any package
+ *		or program using this package.
+ */
+#ifdef DBL_EPSILON
+#  define XMY_DBL_EPSILON DBL_EPSILON
+#else
+#  define XMY_DBL_EPSILON 0.00001
+#endif
+
+/*
+ *      FORWARD DECLARATIONS
+ */
+static int CIEXYZ_ParseString(register char *spec, XcmsColor *pColor);
+
+/*
+ *      LOCALS VARIABLES
+ */
+
+static XcmsConversionProc Fl_CIEXYZ_to_CIEXYZ[] = {
+    NULL
+};
+
+
+
+/*
+ *      GLOBALS
+ *              Variables declared in this package that are allowed
+ *		to be used globally.
+ */
+    /*
+     * CIE XYZ Color Space
+     */
+XcmsColorSpace	XcmsCIEXYZColorSpace =
+    {
+	_XcmsCIEXYZ_prefix,		/* prefix */
+	XcmsCIEXYZFormat,		/* id */
+	CIEXYZ_ParseString,	/* parseString */
+	Fl_CIEXYZ_to_CIEXYZ,	/* to_CIEXYZ */
+	Fl_CIEXYZ_to_CIEXYZ,	/* from_CIEXYZ */
+	1
+    };
+
+
+/************************************************************************
+ *									*
+ *			PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		CIEXYZ_ParseString
+ *
+ *	SYNOPSIS
+ */
+static int
+CIEXYZ_ParseString(
+    register char *spec,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		This routines takes a string and attempts to convert
+ *		it into a XcmsColor structure with XcmsCIEXYZFormat.
+ *		The assumed CIEXYZ string syntax is:
+ *		    CIEXYZ:<X>/<Y>/<Z>
+ *		Where X, Y, and Z are in string input format for floats
+ *		consisting of:
+ *		    a. an optional sign
+ *		    b. a string of numbers possibly containing a decimal point,
+ *		    c. an optional exponent field containing an 'E' or 'e'
+ *			followed by a possibly signed integer string.
+ *
+ *	RETURNS
+ */
+{
+    size_t n;
+    char *pchar;
+
+    if ((pchar = strchr(spec, ':')) == NULL) {
+	return(XcmsFailure);
+    }
+    n = (size_t)(pchar - spec);
+
+    /*
+     * Check for proper prefix.
+     */
+    if (strncmp(spec, _XcmsCIEXYZ_prefix, n) != 0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Attempt to parse the value portion.
+     */
+    if (sscanf(spec + n + 1, "%lf/%lf/%lf",
+	    &pColor->spec.CIEXYZ.X,
+	    &pColor->spec.CIEXYZ.Y,
+	    &pColor->spec.CIEXYZ.Z) != 3) {
+	char *s; /* Maybe failed due to locale */
+	int f;
+	if ((s = strdup(spec))) {
+	    for (f = 0; s[f]; ++f)
+		if (s[f] == '.')
+		    s[f] = ',';
+		else if (s[f] == ',')
+		    s[f] = '.';
+	    if (sscanf(s + n + 1, "%lf/%lf/%lf",
+		       &pColor->spec.CIEXYZ.X,
+		       &pColor->spec.CIEXYZ.Y,
+		       &pColor->spec.CIEXYZ.Z) != 3) {
+		free(s);
+		return(XcmsFailure);
+	    }
+	    free(s);
+	} else
+	    return(XcmsFailure);
+    }
+    pColor->format = XcmsCIEXYZFormat;
+    pColor->pixel = 0;
+    return(_XcmsCIEXYZ_ValidSpec(pColor));
+}
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC ROUTINES 				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELab_ValidSpec
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsCIEXYZ_ValidSpec(
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Checks if color specification valid for CIE XYZ
+ *
+ *	RETURNS
+ *		XcmsFailure if invalid,
+ *		XcmsSuccess if valid.
+ *
+ */
+{
+    if (pColor->format != XcmsCIEXYZFormat
+	    ||
+	    (pColor->spec.CIEXYZ.Y < 0.0 - XMY_DBL_EPSILON)
+	    ||
+	    (pColor->spec.CIEXYZ.Y > 1.0 + XMY_DBL_EPSILON)) {
+	return(XcmsFailure);
+    }
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/Xcms.txt b/nx-X11/lib/src/xcms/Xcms.txt
new file mode 100644
index 000000000..1c5b1adec
--- /dev/null
+++ b/nx-X11/lib/src/xcms/Xcms.txt
@@ -0,0 +1,44 @@
+/*
+ * (c) Copyright 1990 1991 Tektronix Inc.
+ * 	All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of Tektronix not be used
+ * in advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission.
+ *
+ * Tektronix disclaims all warranties with regard to this software, including
+ * all implied warranties of merchantability and fitness, 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 performance of this
+ * software.
+ *
+ *
+ *	NAME
+ *		Xcms.txt
+ *
+ *	DESCRIPTION
+ *		Sample Color Name Database
+ *
+ */
+
+
+This device-independent color name database is provided just as an example.
+There are no claims that these color specifications are or should be bound
+to the corresponding color name.
+
+As you can see, the start of the database is indicated by "XCMS_COLORDB_START".
+Anything before this is assumed to be comments.  The "0.1" indicates the
+version number of the format/syntax used in this file.  The color name is
+delimited from the color specification by one or more tabs.
+
+XCMS_COLORDB_START 0.1
+cms red			CIEXYZ:0.3811/0.2073/0.0213
+cms green		CIEXYZ:0.3203/0.6805/0.1430
+cms blue		CIEXYZ:0.2483/0.1122/1.2417
+XCMS_COLORDB_END
diff --git a/nx-X11/lib/src/xcms/Xcmsint.h b/nx-X11/lib/src/xcms/Xcmsint.h
new file mode 100644
index 000000000..8a2decb11
--- /dev/null
+++ b/nx-X11/lib/src/xcms/Xcmsint.h
@@ -0,0 +1,260 @@
+
+/*
+ * 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.
+ *
+ *
+ *	DESCRIPTION
+ *		Private include file for Color Management System.
+ *		(i.e., for API internal use only)
+ *
+ */
+
+#ifndef _XCMSINT_H_
+#define _XCMSINT_H_
+
+#include <nx-X11/Xcms.h>
+
+/*
+ *	DEFINES
+ */
+
+	/*
+	 * Private Status Value
+	 */
+#define	_XCMS_NEWNAME	-1
+
+	/*
+	 * Color Space ID's are of XcmsColorFormat type.
+	 *
+	 *	bit 31
+	 *	    0 == Device-Independent
+	 *	    1 == Device-Dependent
+	 *
+	 *	bit 30:
+         *          0 == Registered with X Consortium
+         *          1 == Unregistered
+         */
+#define       XCMS_DD_ID(id)          ((id) & (XcmsColorFormat)0x80000000)
+#define       XCMS_DI_ID(id)          (!((id) & (XcmsColorFormat)0x80000000))
+#define       XCMS_UNREG_ID(id)       ((id) & (XcmsColorFormat)0x40000000)
+#define       XCMS_REG_ID(id)         (!((id) & (XcmsColorFormat)0x40000000))
+#define       XCMS_FIRST_REG_DI_ID    (XcmsColorFormat)0x00000001
+#define       XCMS_FIRST_UNREG_DI_ID  (XcmsColorFormat)0x40000000
+#define       XCMS_FIRST_REG_DD_ID    (XcmsColorFormat)0x80000000
+#define       XCMS_FIRST_UNREG_DD_ID  (XcmsColorFormat)0xc0000000
+
+/*
+ *	TYPEDEFS
+ */
+
+    /*
+     * Structure for caching Colormap info.
+     *    This is provided for the Xlib modifications to:
+     *		XAllocNamedColor()
+     *		XLookupColor()
+     *		XParseColor()
+     *		XStoreNamedColor()
+     */
+typedef struct _XcmsCmapRec {
+    Colormap cmapID;
+    Display *dpy;
+    Window windowID;
+    Visual *visual;
+    struct _XcmsCCC *ccc;
+    struct _XcmsCmapRec *pNext;
+} XcmsCmapRec;
+
+    /*
+     * Intensity Record (i.e., value / intensity tuple)
+     */
+typedef struct _IntensityRec {
+    unsigned short value;
+    XcmsFloat intensity;
+} IntensityRec;
+
+    /*
+     * Intensity Table
+     */
+typedef struct _IntensityTbl {
+    IntensityRec *pBase;
+    unsigned int nEntries;
+} IntensityTbl;
+
+    /*
+     * Structure for storing per-Visual Intensity Tables (aka gamma maps).
+     */
+typedef struct _XcmsIntensityMap {
+    VisualID visualID;
+    XPointer	screenData;	/* pointer to corresponding Screen Color*/
+				/*	Characterization Data		*/
+    void (*pFreeScreenData)(XPointer pScreenDataTemp);	/* Function that frees a Screen		*/
+				/*   structure.				*/
+    struct _XcmsIntensityMap *pNext;
+} XcmsIntensityMap;
+
+
+    /*
+     * Structure for storing "registered" color space prefix/ID
+     */
+typedef struct _XcmsRegColorSpaceEntry {
+    const char *prefix;	/* Color Space prefix (e.g., "CIEXYZ:") */
+    XcmsColorFormat id;	/* Color Space ID (e.g., XcmsCIEXYZFormat) */
+} XcmsRegColorSpaceEntry;
+
+
+    /*
+     * Xcms Per Display (i.e. connection) related data
+     */
+typedef struct _XcmsPerDpyInfo {
+
+    XcmsCCC paDefaultCCC; /* based on default visual of screen */
+	    /*
+	     * Pointer to an array of XcmsCCC structures, one for
+	     * each screen.
+	     */
+    XcmsCmapRec *pClientCmaps;	/* Pointer to linked list of XcmsCmapRec's */
+
+} XcmsPerDpyInfo, *XcmsPerDpyInfoPtr;
+
+/*
+ *	DEFINES
+ */
+
+#define XDCCC_NUMBER	0x8000000L	/* 2**27 per XDCCC */
+
+#ifdef GRAY
+#define XDCCC_SCREENWHITEPT_ATOM_NAME	"XDCCC_GRAY_SCREENWHITEPOINT"
+#define XDCCC_GRAY_CORRECT_ATOM_NAME	"XDCCC_GRAY_CORRECTION"
+#endif /* GRAY */
+
+#ifndef _ConversionValues
+typedef struct _ConversionValues {
+    IntensityTbl IntensityTbl;
+} ConversionValues;
+#endif
+
+#ifdef GRAY
+typedef struct {
+    IntensityTbl *IntensityTbl;
+} GRAY_SCCData;
+#endif /* GRAY */
+
+/*
+ *	DEFINES
+ */
+
+#define XDCCC_MATRIX_ATOM_NAME	"XDCCC_LINEAR_RGB_MATRICES"
+#define XDCCC_CORRECT_ATOM_NAME "XDCCC_LINEAR_RGB_CORRECTION"
+
+typedef struct {
+    XcmsFloat XYZtoRGBmatrix[3][3];
+    XcmsFloat RGBtoXYZmatrix[3][3];
+    IntensityTbl *pRedTbl;
+    IntensityTbl *pGreenTbl;
+    IntensityTbl *pBlueTbl;
+} LINEAR_RGB_SCCData;
+
+/* function prototypes */
+extern XcmsCmapRec *
+_XcmsAddCmapRec(
+    Display *dpy,
+    Colormap cmap,
+    Window windowID,
+    Visual *visual);
+extern void
+_XcmsRGB_to_XColor(
+    XcmsColor *pColors,
+    XColor *pXColors,
+    unsigned int nColors);
+extern Status
+_XcmsResolveColorString (
+    XcmsCCC ccc,
+    const char **color_string,
+    XcmsColor *pColor_exact_return,
+    XcmsColorFormat result_format);
+extern void
+_XUnresolveColor(
+    XcmsCCC ccc,
+    XColor *pXColor);
+/*
+ *	DESCRIPTION
+ *		Include file for defining the math macros used in the
+ *		XCMS source.  Instead of using math library routines
+ *		directly, XCMS uses macros so that based on the
+ *		definitions here, vendors and sites can specify exactly
+ *		what routine will be called (those from libm.a or their
+ *		custom routines).  If not defined to math library routines
+ *		(e.g., sqrt in libm.a), then the client is not forced to
+ *		be linked with -lm.
+ */
+
+#define XCMS_ATAN(x)		_XcmsArcTangent(x)
+#define XCMS_COS(x)		_XcmsCosine(x)
+#define XCMS_CUBEROOT(x)	_XcmsCubeRoot(x)
+#define XCMS_FABS(x)		((x) < 0.0 ? -(x) : (x))
+#define XCMS_SIN(x)		_XcmsSine(x)
+#define XCMS_SQRT(x)		_XcmsSquareRoot(x)
+#define XCMS_TAN(x)		(XCMS_SIN(x) / XCMS_COS(x))
+
+double _XcmsArcTangent(double a);
+double _XcmsCosine(double a);
+double _XcmsCubeRoot(double a);
+double _XcmsSine(double a);
+double _XcmsSquareRoot(double a);
+
+/*
+ *  DEFINES FOR GAMUT COMPRESSION AND QUERY ROUTINES
+ */
+#ifndef PI
+#  ifdef M_PI
+#    define PI M_PI
+#  else
+#    define PI 3.14159265358979323846264338327950
+#  endif /* M_PI */
+#endif /* PI */
+#ifndef degrees
+#  define degrees(r) ((XcmsFloat)(r) * 180.0 / PI)
+#endif /* degrees */
+#ifndef radians
+#  define radians(d) ((XcmsFloat)(d) * PI / 180.0)
+#endif /* radians */
+
+#define XCMS_CIEUSTAROFHUE(h,c)	\
+((XCMS_COS((h)) == 0.0) ? (XcmsFloat)0.0 : (XcmsFloat) \
+((XcmsFloat)(c) / (XcmsFloat)XCMS_SQRT((XCMS_TAN(h) * XCMS_TAN(h)) + \
+(XcmsFloat)1.0)))
+#define XCMS_CIEVSTAROFHUE(h,c)	\
+((XCMS_COS((h)) == 0.0) ? (XcmsFloat)0.0 : (XcmsFloat) \
+((XcmsFloat)(c) / (XcmsFloat)XCMS_SQRT(((XcmsFloat)1.0 / \
+(XcmsFloat)(XCMS_TAN(h) * XCMS_TAN(h))) + (XcmsFloat)1.0)))
+/* this hue is returned in radians */
+#define XCMS_CIELUV_PMETRIC_HUE(u,v)	\
+(((u) != 0.0) ? XCMS_ATAN( (v) / (u)) : ((v >= 0.0) ? PI / 2 : -(PI / 2)))
+#define XCMS_CIELUV_PMETRIC_CHROMA(u,v)	XCMS_SQRT(((u)*(u)) + ((v)*(v)))
+
+#define XCMS_CIEASTAROFHUE(h,c)		XCMS_CIEUSTAROFHUE((h), (c))
+#define XCMS_CIEBSTAROFHUE(h,c)		XCMS_CIEVSTAROFHUE((h), (c))
+#define XCMS_CIELAB_PMETRIC_HUE(a,b)	XCMS_CIELUV_PMETRIC_HUE((a), (b))
+#define XCMS_CIELAB_PMETRIC_CHROMA(a,b)	XCMS_CIELUV_PMETRIC_CHROMA((a), (b))
+
+#endif /* _XCMSINT_H_ */
diff --git a/nx-X11/lib/src/xcms/cmsAllCol.c b/nx-X11/lib/src/xcms/cmsAllCol.c
new file mode 100644
index 000000000..aeea46461
--- /dev/null
+++ b/nx-X11/lib/src/xcms/cmsAllCol.c
@@ -0,0 +1,74 @@
+
+/*
+ * 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
+ *		XcmsAllCol.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsAllocColor
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/*
+ *	NAME
+ *		XcmsAllocColor - Allocate Color
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsAllocColor(
+    Display *dpy,
+    Colormap colormap,
+    XcmsColor *pXcmsColor_in_out,
+    XcmsColorFormat result_format)
+/*
+ *	DESCRIPTION
+ *		Given a device-dependent or device-independent color
+ *		specification, XcmsAllocColor will convert it to X RGB
+ *		values then use it in a call to XAllocColor.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed;
+ *		XcmsSuccess if it succeeded without gamut compression;
+ *		XcmsSuccessWithCompression if it succeeded with gamut
+ *			compression;
+ *
+ *		Also returns the pixel value of the color cell and a color
+ *		specification of the color actually stored.
+ *
+ */
+{
+    return(_XcmsSetGetColor(XAllocColor, dpy, colormap, pXcmsColor_in_out,
+	    result_format, (Bool *)NULL));
+}
diff --git a/nx-X11/lib/src/xcms/cmsAllNCol.c b/nx-X11/lib/src/xcms/cmsAllNCol.c
new file mode 100644
index 000000000..d39de6cbd
--- /dev/null
+++ b/nx-X11/lib/src/xcms/cmsAllNCol.c
@@ -0,0 +1,198 @@
+
+/*
+ * 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
+ *		XcmsAlNCol.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsAllocNamedColor
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/*
+ *	NAME
+ *		XcmsAllocNamedColor -
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsAllocNamedColor (
+    Display *dpy,
+    Colormap cmap,
+    _Xconst char *colorname,
+    XcmsColor *pColor_scrn_return,
+    XcmsColor *pColor_exact_return,
+    XcmsColorFormat result_format)
+/*
+ *	DESCRIPTION
+ *		Finds the color specification associated with the color
+ *		name in the Device-Independent Color Name Database, then
+ *		converts that color specification to an RGB format.  This
+ *		RGB value is then used in a call to XAllocColor to allocate
+ *		a read-only color cell.
+ *
+ *	RETURNS
+ *		0 if failed to parse string or find any entry in the database.
+ *		1 if succeeded in converting color name to XcmsColor.
+ *		2 if succeeded in converting color name to another color name.
+ *
+ */
+{
+    long nbytes;
+    xAllocNamedColorReply rep;
+    xAllocNamedColorReq *req;
+    XColor hard_def;
+    XColor exact_def;
+    Status retval1 = 1;
+    Status retval2 = XcmsSuccess;
+    XcmsColor tmpColor;
+    XColor XColor_in_out;
+    XcmsCCC ccc;
+
+    /*
+     * 0. Check for invalid arguments.
+     */
+    if (dpy == NULL || colorname[0] == '\0' || pColor_scrn_return == 0
+	    || pColor_exact_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    if ((ccc = XcmsCCCOfColormap(dpy, cmap)) == (XcmsCCC)NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * 1. Convert string to a XcmsColor using Xcms and i18n mechanism
+     */
+    if ((retval1 = _XcmsResolveColorString(ccc, &colorname,
+	    &tmpColor, result_format)) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+    if (retval1 == _XCMS_NEWNAME) {
+	goto PassToServer;
+    }
+    memcpy((char *)pColor_exact_return, (char *)&tmpColor, sizeof(XcmsColor));
+
+    /*
+     * 2. Convert tmpColor to RGB
+     *	Assume pColor_exact_return is now adjusted to Client White Point
+     */
+    if ((retval2 = XcmsConvertColors(ccc, &tmpColor,
+	    1, XcmsRGBFormat, (Bool *) NULL)) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * 3. Convert to XColor and call XAllocColor
+     */
+    _XcmsRGB_to_XColor(&tmpColor, &XColor_in_out, 1);
+    if (XAllocColor(ccc->dpy, cmap, &XColor_in_out) == 0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * 4. pColor_scrn_return
+     *
+     * Now convert to the target format.
+     *    We can ignore the return value because we're already in a
+     *    device-dependent format.
+     */
+    _XColor_to_XcmsRGB(ccc, &XColor_in_out, pColor_scrn_return, 1);
+    if (result_format != XcmsRGBFormat) {
+	if (result_format == XcmsUndefinedFormat) {
+	    result_format = pColor_exact_return->format;
+	}
+	if (XcmsConvertColors(ccc, pColor_scrn_return, 1, result_format,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+    }
+
+    return(retval1 > retval2 ? retval1 : retval2);
+
+PassToServer:
+    /*
+     * All previous methods failed, so lets pass it to the server
+     * for parsing.
+     */
+    dpy = ccc->dpy;
+    LockDisplay(dpy);
+    GetReq(AllocNamedColor, req);
+
+    req->cmap = cmap;
+    nbytes = req->nbytes = strlen(colorname);
+    req->length += (nbytes + 3) >> 2; /* round up to mult of 4 */
+
+    _XSend(dpy, colorname, nbytes);
+       /* _XSend is more efficient that Data, since _XReply follows */
+
+    if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
+	UnlockDisplay(dpy);
+        SyncHandle();
+        return (0);
+    }
+
+    exact_def.red = rep.exactRed;
+    exact_def.green = rep.exactGreen;
+    exact_def.blue = rep.exactBlue;
+
+    hard_def.red = rep.screenRed;
+    hard_def.green = rep.screenGreen;
+    hard_def.blue = rep.screenBlue;
+
+    exact_def.pixel = hard_def.pixel = rep.pixel;
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+
+    /*
+     * Now convert to the target format.
+     */
+    _XColor_to_XcmsRGB(ccc, &exact_def, pColor_exact_return, 1);
+    _XColor_to_XcmsRGB(ccc, &hard_def, pColor_scrn_return, 1);
+    if (result_format != XcmsRGBFormat
+	    && result_format != XcmsUndefinedFormat) {
+	if (XcmsConvertColors(ccc, pColor_exact_return, 1, result_format,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+	if (XcmsConvertColors(ccc, pColor_scrn_return, 1, result_format,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+    }
+
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/cmsCmap.c b/nx-X11/lib/src/xcms/cmsCmap.c
new file mode 100644
index 000000000..c7087ecb1
--- /dev/null
+++ b/nx-X11/lib/src/xcms/cmsCmap.c
@@ -0,0 +1,492 @@
+
+/*
+ * 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
+ *		XcmsCmap.c - Client Colormap Management Routines
+ *
+ *	DESCRIPTION
+ *		Routines that store additional information about
+ *		colormaps being used by the X Client.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Xutil.h"
+#include "Cmap.h"
+#include "Cv.h"
+
+/*
+ *      FORWARD DECLARATIONS
+ */
+static void _XcmsFreeClientCmaps(Display *dpy);
+
+
+/************************************************************************
+ *									*
+ *			PRIVATE INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		CmapRecForColormap
+ *
+ *	SYNOPSIS
+ */
+static XcmsCmapRec *
+CmapRecForColormap(
+    Display *dpy,
+    Colormap cmap)
+/*
+ *	DESCRIPTION
+ *		Find the corresponding XcmsCmapRec for cmap.  In not found
+ *		this routines attempts to create one.
+ *
+ *	RETURNS
+ *		Returns NULL if failed; otherwise the address to
+ *		the corresponding XcmsCmapRec.
+ *
+ */
+{
+    XcmsCmapRec *pRec;
+    int nScrn;
+    int i, j;
+    XVisualInfo visualTemplate;	/* Template of the visual we want */
+    XVisualInfo *visualList;	/* List for visuals that match */
+    int nVisualsMatched;	/* Number of visuals that match */
+    Window tmpWindow;
+    Visual *vp;
+    unsigned long border = 0;
+    _XAsyncHandler async;
+    _XAsyncErrorState async_state;
+
+    for (pRec = (XcmsCmapRec *)dpy->cms.clientCmaps; pRec != NULL;
+	    pRec = pRec->pNext) {
+	if (pRec->cmapID == cmap) {
+	    return(pRec);
+	}
+    }
+
+    /*
+     * Can't find an XcmsCmapRec associated with cmap in our records.
+     * Let's try to see if its a default colormap
+     */
+    nScrn = ScreenCount(dpy);
+    for (i = 0; i < nScrn; i++) {
+	if (cmap == DefaultColormap(dpy, i)) {
+	    /* It is ... lets go ahead and store that info */
+	    if ((pRec = _XcmsAddCmapRec(dpy, cmap, RootWindow(dpy, i),
+		    DefaultVisual(dpy, i))) == NULL) {
+		return((XcmsCmapRec *)NULL);
+	    }
+	    pRec->ccc = XcmsCreateCCC(
+		    dpy,
+		    i,			/* screenNumber */
+		    DefaultVisual(dpy, i),
+		    (XcmsColor *)NULL,	/* clientWhitePt */
+		    (XcmsCompressionProc)NULL,  /* gamutCompProc */
+		    (XPointer)NULL,	/* gamutCompClientData */
+		    (XcmsWhiteAdjustProc)NULL,  /* whitePtAdjProc */
+		    (XPointer)NULL	/* whitePtAdjClientData */
+		    );
+	    return(pRec);
+	}
+    }
+
+    /*
+     * Nope, its not a default colormap, so it's probably a foreign color map
+     * of which we have no specific details.  Let's go through the
+     * rigorous process of finding this colormap:
+     *        for each screen
+     *            for each screen's visual types
+     *                create a window with cmap specified as the colormap
+     *                if successful
+     *                    Add a CmapRec
+     *                    Create an XcmsCCC
+     *                    return the CmapRec
+     *                else
+     *                    continue
+     */
+
+    async_state.error_code = 0; /* don't care */
+    async_state.major_opcode = X_CreateWindow;
+    async_state.minor_opcode = 0;
+    for (i = 0; i < nScrn; i++) {
+	visualTemplate.screen = i;
+	visualList = XGetVisualInfo(dpy, VisualScreenMask, &visualTemplate,
+	    &nVisualsMatched);
+	if (visualList == NULL) {
+	    continue;
+	}
+
+	/*
+	 * Attempt to create a window with cmap
+	 */
+	j = 0;
+	do {
+	    vp = (visualList+j)->visual;
+	    LockDisplay(dpy);
+	    {
+		register xCreateWindowReq *req;
+
+		GetReq(CreateWindow, req);
+		async_state.min_sequence_number = dpy->request;
+		async_state.max_sequence_number = dpy->request;
+		async_state.error_count = 0;
+		async.next = dpy->async_handlers;
+		async.handler = _XAsyncErrorHandler;
+		async.data = (XPointer)&async_state;
+		dpy->async_handlers = &async;
+		req->parent = RootWindow(dpy, i);
+		req->x = 0;
+		req->y = 0;
+		req->width = 1;
+		req->height = 1;
+		req->borderWidth = 0;
+		req->depth = (visualList+j)->depth;
+		req->class = CopyFromParent;
+		req->visual = vp->visualid;
+		tmpWindow = req->wid = XAllocID(dpy);
+		req->mask = CWBorderPixel | CWColormap;
+		req->length += 2;
+		Data32 (dpy, (long *) &border, 4);
+		Data32 (dpy, (long *) &cmap, 4);
+	    }
+	    {
+		xGetInputFocusReply rep;
+		_X_UNUSED register xReq *req;
+
+		GetEmptyReq(GetInputFocus, req);
+		(void) _XReply (dpy, (xReply *)&rep, 0, xTrue);
+	    }
+	    DeqAsyncHandler(dpy, &async);
+	    UnlockDisplay(dpy);
+	    SyncHandle();
+	} while (async_state.error_count > 0 && ++j < nVisualsMatched);
+
+	Xfree(visualList);
+
+	/*
+	 * if successful
+	 */
+	if (j < nVisualsMatched) {
+	    if ((pRec = _XcmsAddCmapRec(dpy, cmap, tmpWindow, vp)) == NULL)
+		return((XcmsCmapRec *)NULL);
+	    pRec->ccc = XcmsCreateCCC(
+		    dpy,
+		    i,			/* screenNumber */
+		    vp,
+		    (XcmsColor *)NULL,	/* clientWhitePt */
+		    (XcmsCompressionProc)NULL,  /* gamutCompProc */
+		    (XPointer)NULL,	/* gamutCompClientData */
+		    (XcmsWhiteAdjustProc)NULL,  /* whitePtAdjProc */
+		    (XPointer)NULL	/* whitePtAdjClientData */
+		    );
+	    XDestroyWindow(dpy, tmpWindow);
+	    return(pRec);
+	}
+    }
+
+    return(NULL);
+}
+
+
+
+/************************************************************************
+ *									*
+ *			API PRIVATE INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		_XcmsAddCmapRec
+ *
+ *	SYNOPSIS
+ */
+XcmsCmapRec *
+_XcmsAddCmapRec(
+    Display *dpy,
+    Colormap cmap,
+    Window windowID,
+    Visual *visual)
+/*
+ *	DESCRIPTION
+ *		Create an XcmsCmapRec for the specified cmap, windowID,
+ *		and visual, then adds it to its list of CmapRec's.
+ *
+ *	RETURNS
+ *		Returns NULL if failed; otherwise the address to
+ *		the added XcmsCmapRec.
+ *
+ */
+{
+    XcmsCmapRec *pNew;
+
+    if ((pNew = Xcalloc(1, sizeof(XcmsCmapRec))) == NULL) {
+	return((XcmsCmapRec *)NULL);
+    }
+
+    pNew->cmapID = cmap;
+    pNew->dpy = dpy;
+    pNew->windowID = windowID;
+    pNew->visual = visual;
+    pNew->pNext = (XcmsCmapRec *)dpy->cms.clientCmaps;
+    dpy->cms.clientCmaps = (XPointer)pNew;
+    dpy->free_funcs->clientCmaps = _XcmsFreeClientCmaps;
+
+    /*
+     * Note, we don't create the XcmsCCC for pNew->ccc here because
+     * it may require the use of XGetWindowAttributes (a round trip request)
+     * to determine the screen.
+     */
+    return(pNew);
+}
+
+
+/*
+ *	NAME
+ *		_XcmsCopyCmapRecAndFree
+ *
+ *	SYNOPSIS
+ */
+XcmsCmapRec *
+_XcmsCopyCmapRecAndFree(
+    Display *dpy,
+    Colormap src_cmap,
+    Colormap copy_cmap)
+/*
+ *	DESCRIPTION
+ *		Augments Xlib's XCopyColormapAndFree() to copy
+ *		XcmsCmapRecs.
+ *
+ *	RETURNS
+ *		Returns NULL if failed; otherwise the address to
+ *		the copy XcmsCmapRec.
+ *
+ */
+{
+    XcmsCmapRec *pRec_src;
+    XcmsCmapRec *pRec_copy;
+
+    if ((pRec_src = CmapRecForColormap(dpy, src_cmap)) != NULL) {
+	pRec_copy =_XcmsAddCmapRec(dpy, copy_cmap, pRec_src->windowID,
+		pRec_src->visual);
+	if (pRec_copy != NULL && pRec_src->ccc) {
+	    pRec_copy->ccc = Xcalloc(1, sizeof(XcmsCCCRec));
+	    memcpy((char *)pRec_copy->ccc, (char *)pRec_src->ccc,
+		   sizeof(XcmsCCCRec));
+	}
+	return(pRec_copy);
+    }
+    return((XcmsCmapRec *)NULL);
+}
+
+
+/*
+ *	NAME
+ *		_XcmsDeleteCmapRec
+ *
+ *	SYNOPSIS
+ */
+void
+_XcmsDeleteCmapRec(
+    Display *dpy,
+    Colormap cmap)
+/*
+ *	DESCRIPTION
+ *		Removes and frees the specified XcmsCmapRec structure
+ *		from the linked list of structures.
+ *
+ *	RETURNS
+ *		void
+ *
+ */
+{
+    XcmsCmapRec **pPrevPtr;
+    XcmsCmapRec *pRec;
+    int scr;
+
+    /* If it is the default cmap for a screen, do not delete it,
+     * because the server will not actually free it */
+    for (scr = ScreenCount(dpy); --scr >= 0; ) {
+	if (cmap == DefaultColormap(dpy, scr))
+	    return;
+    }
+
+    /* search for it in the list */
+    pPrevPtr = (XcmsCmapRec **)&dpy->cms.clientCmaps;
+    while ((pRec = *pPrevPtr) && (pRec->cmapID != cmap)) {
+	pPrevPtr = &pRec->pNext;
+    }
+
+    if (pRec) {
+	if (pRec->ccc) {
+	    XcmsFreeCCC(pRec->ccc);
+	}
+	*pPrevPtr = pRec->pNext;
+	Xfree(pRec);
+    }
+}
+
+
+/*
+ *	NAME
+ *		_XcmsFreeClientCmaps
+ *
+ *	SYNOPSIS
+ */
+static void
+_XcmsFreeClientCmaps(
+    Display *dpy)
+/*
+ *	DESCRIPTION
+ *		Frees all XcmsCmapRec structures in the linked list
+ *		and sets dpy->cms.clientCmaps to NULL.
+ *
+ *	RETURNS
+ *		void
+ *
+ */
+{
+    XcmsCmapRec *pRecNext, *pRecFree;
+
+    pRecNext = (XcmsCmapRec *)dpy->cms.clientCmaps;
+    while (pRecNext != NULL) {
+	pRecFree = pRecNext;
+	pRecNext = pRecNext->pNext;
+	if (pRecFree->ccc) {
+	    /* Free the XcmsCCC structure */
+	    XcmsFreeCCC(pRecFree->ccc);
+	}
+	/* Now free the XcmsCmapRec structure */
+	Xfree(pRecFree);
+    }
+    dpy->cms.clientCmaps = (XPointer)NULL;
+}
+
+
+
+/************************************************************************
+ *									*
+ *			PUBLIC INTERFACES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCCCOfColormap
+ *
+ *	SYNOPSIS
+ */
+XcmsCCC
+XcmsCCCOfColormap(
+    Display *dpy,
+    Colormap cmap)
+/*
+ *	DESCRIPTION
+ *		Finds the XcmsCCC associated with the specified colormap.
+ *
+ *	RETURNS
+ *		Returns NULL if failed; otherwise the address to
+ *		the associated XcmsCCC structure.
+ *
+ */
+{
+    XWindowAttributes windowAttr;
+    XcmsCmapRec *pRec;
+    int nScrn = ScreenCount(dpy);
+    int i;
+
+    if ((pRec = CmapRecForColormap(dpy, cmap)) != NULL) {
+	if (pRec->ccc) {
+	    /* XcmsCmapRec already has a XcmsCCC */
+	    return(pRec->ccc);
+	}
+
+	/*
+	 * The XcmsCmapRec does not have a XcmsCCC yet, so let's create
+	 * one.  But first, we need to know the screen associated with
+	 * cmap, so use XGetWindowAttributes() to extract that
+	 * information.  Unless, of course there is only one screen!!
+	 */
+	if (nScrn == 1) {
+	    /* Assume screenNumber == 0 */
+	    return(pRec->ccc = XcmsCreateCCC(
+		    dpy,
+		    0,			/* screenNumber */
+		    pRec->visual,
+		    (XcmsColor *)NULL,	/* clientWhitePt */
+		    (XcmsCompressionProc)NULL,  /* gamutCompProc */
+		    (XPointer)NULL,	/* gamutCompClientData */
+		    (XcmsWhiteAdjustProc)NULL,  /* whitePtAdjProc */
+		    (XPointer)NULL	/* whitePtAdjClientData */
+		    ));
+	} else {
+	    if (XGetWindowAttributes(dpy, pRec->windowID, &windowAttr)) {
+		for (i = 0; i < nScrn; i++) {
+		    if (ScreenOfDisplay(dpy, i) == windowAttr.screen) {
+			return(pRec->ccc = XcmsCreateCCC(
+				dpy,
+				i,		   /* screenNumber */
+				pRec->visual,
+				(XcmsColor *)NULL, /* clientWhitePt */
+				(XcmsCompressionProc)NULL, /* gamutCompProc */
+				(XPointer)NULL,	   /* gamutCompClientData */
+				(XcmsWhiteAdjustProc)NULL, /* whitePtAdjProc */
+				(XPointer)NULL	   /* whitePtAdjClientData */
+				));
+		    }
+		}
+	    }
+	}
+    }
+
+    /*
+     * No such cmap
+     */
+    return(NULL);
+}
+
+XcmsCCC XcmsSetCCCOfColormap(
+    Display *dpy,
+    Colormap cmap,
+    XcmsCCC ccc)
+{
+    XcmsCCC prev_ccc = NULL;
+    XcmsCmapRec *pRec;
+
+    pRec = CmapRecForColormap(dpy, cmap);
+    if (pRec) {
+	prev_ccc = pRec->ccc;
+	pRec->ccc = ccc;
+    }
+    return prev_ccc;
+}
diff --git a/nx-X11/lib/src/xcms/cmsColNm.c b/nx-X11/lib/src/xcms/cmsColNm.c
new file mode 100644
index 000000000..c6f1e0f31
--- /dev/null
+++ b/nx-X11/lib/src/xcms/cmsColNm.c
@@ -0,0 +1,1050 @@
+
+/*
+ * 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
+ *		XcmsColNm.c
+ *
+ *	DESCRIPTION
+ *		Source for _XcmsLookupColorName().
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <nx-X11/Xos.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <limits.h>
+#define XK_LATIN1
+#include <nx-X11/keysymdef.h>
+#include "Cv.h"
+
+/* forwards/locals */
+static Status LoadColornameDB(void);
+
+
+/*
+ *      LOCAL DEFINES
+ *		#define declarations local to this package.
+ */
+#ifndef XCMSDB
+#define XCMSDB  XCMSDIR "/Xcms.txt"
+#endif
+
+#ifndef isgraph
+#  define isgraph(c)	(isprint((c)) && !isspace((c)))
+#endif
+
+#ifndef XCMSDB_MAXLINELEN
+#  define XCMSDB_MAXLINELEN	256
+#endif
+
+#define FORMAT_VERSION	"0.1"
+#define START_TOKEN	"XCMS_COLORDB_START"
+#define END_TOKEN	"XCMS_COLORDB_END"
+#define DELIM_CHAR	'\t'
+
+#define	NOT_VISITED	0x0
+#define	VISITED		0x1
+#define CYCLE		0xFFFF
+#define XcmsDbInitNone		-1
+#define XcmsDbInitFailure	0
+#define XcmsDbInitSuccess	1
+
+/*
+ *      LOCAL TYPEDEFS
+ */
+typedef struct _XcmsPair {
+    const char *first;
+    const char *second;
+    int flag;
+} XcmsPair;
+
+/*
+ *      LOCAL VARIABLES
+ */
+static int XcmsColorDbState = XcmsDbInitNone;
+static int nEntries;
+static char *strings;
+static XcmsPair *pairs;
+static const char whitePtStr[] = "WhitePoint";
+
+
+/************************************************************************
+ *									*
+ *			PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		_XcmsColorSpaceOfString
+ *
+ *	SYNOPSIS
+ */
+static XcmsColorSpace *
+_XcmsColorSpaceOfString(
+    XcmsCCC ccc,
+    const char *color_string)
+/*
+ *	DESCRIPTION
+ *		Returns a pointer to the color space structure
+ *		(XcmsColorSpace) associated with the specified color string.
+ *
+ *	RETURNS
+ *		Pointer to matching XcmsColorSpace structure if found;
+ *		otherwise NULL.
+ *
+ *	CAVEATS
+ *
+ */
+{
+    XcmsColorSpace	**papColorSpaces;
+    size_t n;
+    char *pchar;
+
+    if ((pchar = strchr(color_string, ':')) == NULL) {
+	return(XcmsFailure);
+    }
+    n = (size_t)(pchar - color_string);
+
+    if (ccc == NULL) {
+	return(NULL);
+    }
+
+    /*
+     * First try Device-Independent color spaces
+     */
+    papColorSpaces = _XcmsDIColorSpaces;
+    if (papColorSpaces != NULL) {
+	while (*papColorSpaces != NULL) {
+	    if (strncmp((*papColorSpaces)->prefix, color_string, n) == 0 &&
+		!((*papColorSpaces)->prefix)[n]) {
+		return(*papColorSpaces);
+	    }
+	    papColorSpaces++;
+	}
+    }
+
+    /*
+     * Next try Device-Dependent color spaces
+     */
+    papColorSpaces = ((XcmsFunctionSet *)ccc->pPerScrnInfo->functionSet)->DDColorSpaces;
+    if (papColorSpaces != NULL) {
+	while (*papColorSpaces != NULL) {
+	    if (strncmp((*papColorSpaces)->prefix, color_string, n) == 0 &&
+		!((*papColorSpaces)->prefix)[n]) {
+		return(*papColorSpaces);
+	    }
+	    papColorSpaces++;
+	}
+    }
+
+    return(NULL);
+}
+
+
+/*
+ *	NAME
+ *		_XcmsParseColorString
+ *
+ *	SYNOPSIS
+ */
+static int
+_XcmsParseColorString(
+    XcmsCCC ccc,
+    const char *color_string,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Assuming color_string contains a numerical string color
+ *		specification, attempts to parse a string into an
+ *		XcmsColor structure.
+ *
+ *	RETURNS
+ *		0 if failed; otherwise non-zero.
+ *
+ *	CAVEATS
+ *		A color string containing a numerical color specification
+ *		must be in ISO Latin-1 encoding!
+ */
+{
+    XcmsColorSpace	*pColorSpace;
+    char		string_buf[64];
+    char		*string_lowered;
+    size_t		len;
+    int			res;
+
+    if (ccc == NULL) {
+	return(0);
+    }
+
+    /*
+     * While copying color_string to string_lowered, convert to lowercase
+     */
+    if ((len = strlen(color_string)) >= sizeof(string_buf)) {
+	string_lowered = Xmalloc(len+1);
+    } else {
+	string_lowered = string_buf;
+    }
+
+    _XcmsCopyISOLatin1Lowered(string_lowered, color_string);
+
+    if (*string_lowered == '#') {
+	if ((pColorSpace = _XcmsColorSpaceOfString(ccc, "rgb:")) != NULL) {
+	    res = (*pColorSpace->parseString)(string_lowered, pColor);
+	    if (len >= sizeof(string_buf)) Xfree(string_lowered);
+	    return res;
+	}
+    }
+
+    if ((pColorSpace = _XcmsColorSpaceOfString(ccc, string_lowered)) != NULL) {
+	res = (*pColorSpace->parseString)(string_lowered, pColor);
+	if (len >= sizeof(string_buf)) Xfree(string_lowered);
+	return res;
+    }
+
+    if (len >= sizeof(string_buf)) Xfree(string_lowered);
+    return(0);
+}
+
+
+/*
+ *	NAME
+ *		FirstCmp - Compare color names of pair recs
+ *
+ *	SYNOPSIS
+ */
+static int
+FirstCmp(const void *p1, const void *p2)
+/*
+ *	DESCRIPTION
+ *		Compares the color names of XcmsColorTuples.
+ *		This routine is public to allow access from qsort???.
+ *
+ *	RETURNS
+ *		0 if equal;
+ *		< 0 if first precedes second,
+ *		> 0 if first succeeds second.
+ *
+ */
+{
+    return(strcmp(((const XcmsPair *)p1)->first, ((const XcmsPair *)p2)->first));
+}
+
+
+
+/*
+ *	NAME
+ *		stringSectionSize - determine memory needed for strings
+ *
+ *	SYNOPSIS
+ */
+static void
+SetNoVisit(void)
+/*
+ *	DESCRIPTION
+ *
+ *	RETURNS
+ *		void
+ *
+ */
+{
+    int i;
+    XcmsPair *pair = pairs;
+
+    for (i = 0; i < nEntries; i++, pair++) {
+	if (pair->flag != CYCLE) {
+	    pair->flag = NOT_VISITED;
+	}
+    }
+}
+
+
+
+
+/*
+ *	NAME
+ *		field2 - extract two fields
+ *
+ *	SYNOPSIS
+ */
+static int
+field2(
+    char *pBuf,
+    char delim,	/* in:  field delimiter */
+    char **p1,	/* in/out: pointer to pointer to field 1 */
+    char **p2)	/* in/out: pointer to pointer to field 2 */
+/*
+ *	DESCRIPTION
+ *		Extracts two fields from a "record".
+ *
+ *	RETURNS
+ *		XcmsSuccess if succeeded, otherwise XcmsFailure.
+ *
+ */
+{
+    *p1 = *p2 = NULL;
+
+    /* Find Field 1 */
+    while (!isgraph(*pBuf)) {
+	if ((*pBuf != '\n') || (*pBuf != '\0')) {
+	    return(XcmsFailure);
+	}
+	if (isspace(*pBuf) || (*pBuf == delim)) {
+	    pBuf++;
+	}
+    }
+    *p1 = pBuf;
+
+    /* Find end of Field 2 */
+    while (isprint(*pBuf) && (*pBuf != delim)) {
+	pBuf++;
+    }
+    if ((*pBuf == '\n') || (*pBuf == '\0')) {
+	return(XcmsFailure);
+    }
+    if ((*pBuf == ' ') || (*pBuf == delim)) {
+	*pBuf++ = '\0';	/* stuff end of string character */
+    } else {
+	return(XcmsFailure);
+    }
+
+    /* Find Field 2 */
+    while (!isgraph(*pBuf)) {
+	if ((*pBuf == '\n') || (*pBuf == '\0')) {
+	    return(XcmsFailure);
+	}
+	if (isspace(*pBuf) || (*pBuf == delim)) {
+	    pBuf++;
+	}
+    }
+    *p2 = pBuf;
+
+    /* Find end of Field 2 */
+    while (isprint(*pBuf) && (*pBuf != delim)) {
+	pBuf++;
+    }
+    if (*pBuf != '\0') {
+	*pBuf = '\0';	/* stuff end of string character */
+    }
+
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		_XcmsLookupColorName - Lookup DB entry for a color name
+ *
+ *	SYNOPSIS
+ */
+static Status
+_XcmsLookupColorName(
+    XcmsCCC ccc,
+    const char **name,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Searches for an entry in the Device-Independent Color Name
+ *		Database for the specified string.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed to find a matching entry in
+ *			the database.
+ *		XcmsSuccess if succeeded in converting color name to
+ *			XcmsColor.
+ *		_XCMS_NEWNAME if succeeded in converting color string (which
+ *			is a color name to yet another color name.  Note
+ *			that the new name is passed back via 'name'.
+ */
+ {
+    Status		retval = 0;
+    char		name_lowered_64[64];
+    char		*name_lowered;
+    register int	i, j, left, right;
+    int			len;
+    const char		*tmpName;
+    XcmsPair		*pair = NULL;
+
+    /*
+     * Check state of Database:
+     *		XcmsDbInitNone
+     *		XcmsDbInitSuccess
+     *		XcmsDbInitFailure
+     */
+    if (XcmsColorDbState == XcmsDbInitFailure) {
+	return(XcmsFailure);
+    }
+    if (XcmsColorDbState == XcmsDbInitNone) {
+	if (!LoadColornameDB()) {
+	    return(XcmsFailure);
+	}
+    }
+
+    SetNoVisit();
+
+    /*
+     * While copying name to name_lowered, convert to lowercase
+     */
+
+    tmpName = *name;
+
+Retry:
+    if ((len = strlen(tmpName)) > 63) {
+	name_lowered = Xmalloc(len+1);
+    } else {
+	name_lowered = name_lowered_64;
+    }
+
+    _XcmsCopyISOLatin1Lowered(name_lowered, tmpName);
+
+    /*
+     * Now, remove spaces.
+     */
+    for (i = 0, j = 0; j < len; j++) {
+	if (!isspace(name_lowered[j])) {
+	    name_lowered[i++] = name_lowered[j];
+	}
+    }
+    name_lowered[i] = '\0';
+
+    left = 0;
+    right = nEntries - 1;
+    while (left <= right) {
+	i = (left + right) >> 1;
+	pair = &pairs[i];
+	j = strcmp(name_lowered, pair->first);
+	if (j < 0)
+	    right = i - 1;
+	else if (j > 0)
+	    left = i + 1;
+	else {
+	    break;
+	}
+    }
+    if (len > 63) Xfree(name_lowered);
+
+    if (left > right) {
+	if (retval == 2) {
+	    if (*name != tmpName) {
+		*name = tmpName;
+	    }
+	    return(_XCMS_NEWNAME);
+	}
+	return(XcmsFailure);
+    }
+
+    if (pair->flag == CYCLE) {
+	return(XcmsFailure);
+    }
+    if (pair->flag == VISITED) {
+	pair->flag = CYCLE;
+	return(XcmsFailure);
+    }
+
+    if (_XcmsParseColorString(ccc, pair->second, pColor) == XcmsSuccess) {
+	/* f2 contains a numerical string specification */
+	return(XcmsSuccess);
+    } else {
+	/* f2 does not contain a numerical string specification */
+	tmpName = pair->second;
+	pair->flag = VISITED;
+	retval = 2;
+	goto Retry;
+    }
+}
+
+
+/*
+ *	NAME
+ *		RemoveSpaces
+ *
+ *	SYNOPSIS
+ */
+static int
+RemoveSpaces(
+    char *pString)
+/*
+ *	DESCRIPTION
+ *		Removes spaces from string.
+ *
+ *	RETURNS
+ *		Void
+ *
+ */
+{
+    int i, count = 0;
+    char *cptr;
+
+    /* REMOVE SPACES */
+    cptr = pString;
+    for (i = strlen(pString); i; i--, cptr++) {
+	if (!isspace(*cptr)) {
+	    *pString++ = *cptr;
+	    count++;
+	}
+    }
+    *pString = '\0';
+    return(count);
+}
+
+
+/*
+ *	NAME
+ *		stringSectionSize - determine memory needed for strings
+ *
+ *	SYNOPSIS
+ */
+static int
+stringSectionSize(
+    FILE *stream,
+    int	*pNumEntries,
+    int	*pSectionSize)
+/*
+ *	DESCRIPTION
+ *		Determines the amount of memory required to store the
+ *		color name strings and also the number of strings.
+ *
+ *	RETURNS
+ *		XcmsSuccess if succeeded, otherwise XcmsFailure.
+ *
+ */
+{
+    char buf[XCMSDB_MAXLINELEN];
+    char token[XCMSDB_MAXLINELEN];
+    char token2[XCMSDB_MAXLINELEN];
+    char *pBuf;
+    char *f1;
+    char *f2;
+    size_t i;
+
+    unsigned int numEntries = 0;
+    unsigned int sectionSize = 0;
+
+    *pNumEntries = 0;
+    *pSectionSize = 0;
+
+    /*
+     * Advance to START_TOKEN
+     *	 Anything before is just considered as comments.
+     */
+
+    while((pBuf = fgets(buf, XCMSDB_MAXLINELEN, stream)) != NULL) {
+	if ((sscanf(buf, "%s %s", token, token2))
+		&& (strcmp(token, START_TOKEN) == 0)) {
+	    if (strcmp(token2, FORMAT_VERSION) != 0) {
+		/* text file not in the right format */
+		return(XcmsFailure);
+	    }
+	    break;
+	} /* else it was just a blank line or comment */
+    }
+
+    if (pBuf == NULL) {
+	return(XcmsFailure);
+    }
+
+    while((fgets(buf, XCMSDB_MAXLINELEN, stream)) != NULL) {
+	if ((sscanf(buf, "%s", token)) && (strcmp(token, END_TOKEN) == 0)) {
+	    break;
+	}
+
+	if (field2(buf, DELIM_CHAR, &f1, &f2) != XcmsSuccess) {
+	    return(XcmsFailure);
+	}
+
+	numEntries++;
+	if (numEntries >= INT_MAX)
+	    return(XcmsFailure);
+
+	i = strlen(f1);
+	if (i >= INT_MAX - sectionSize)
+	    return(XcmsFailure);
+	sectionSize += i + 1;
+	for (; i; i--, f1++) {
+	    /* REMOVE SPACES FROM COUNT */
+	    if (isspace(*f1)) {
+		sectionSize--;
+	    }
+	}
+
+	i = strlen(f2);
+	if (i >= INT_MAX - sectionSize)
+	    return(XcmsFailure);
+	sectionSize += i + 1;
+	for (; i; i--, f2++) {
+	    /* REMOVE SPACES FROM COUNT */
+	    if (isspace(*f2)) {
+		sectionSize--;
+	    }
+	}
+
+    }
+
+    *pNumEntries = (int) numEntries;
+    *pSectionSize = (int) sectionSize;
+
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		ReadColornameDB - Read the Color Name Database
+ *
+ *	SYNOPSIS
+ */
+static Status
+ReadColornameDB(
+    FILE *stream,
+    XcmsPair *pRec,
+    char *pString)
+/*
+ *	DESCRIPTION
+ *		Loads the Color Name Database from a text file.
+ *
+ *	RETURNS
+ *		XcmsSuccess if succeeded, otherwise XcmsFailure.
+ *
+ */
+{
+    char buf[XCMSDB_MAXLINELEN];
+    char token[XCMSDB_MAXLINELEN];
+    char token2[XCMSDB_MAXLINELEN];
+    char *f1;
+    char *f2;
+    char *pBuf;
+
+    /*
+     * Advance to START_TOKEN
+     *	 Anything before is just considered as comments.
+     */
+
+    while((pBuf = fgets(buf, XCMSDB_MAXLINELEN, stream)) != NULL) {
+	if ((sscanf(buf, "%s %s", token, token2))
+		&& (strcmp(token, START_TOKEN) == 0)) {
+	    if (strcmp(token2, FORMAT_VERSION) != 0) {
+		/* text file not in the right format */
+		return(XcmsFailure);
+	    }
+	    break;
+	} /* else it was just a blank line or comment */
+    }
+
+    if (pBuf == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Process lines between START_TOKEN to END_TOKEN
+     */
+
+    while ((fgets(buf, XCMSDB_MAXLINELEN, stream)) != NULL) {
+	if ((sscanf(buf, "%s", token)) && (strcmp(token, END_TOKEN) == 0)) {
+	    /*
+	     * Found END_TOKEN so break out of for loop
+	     */
+	    break;
+	}
+
+	/*
+	 * Get pairs
+	 */
+	if (field2(buf, DELIM_CHAR, &f1, &f2) != XcmsSuccess) {
+	    /* Invalid line */
+	    continue;
+	}
+
+	/*
+	 * Add strings
+	 */
+
+	/* Left String */
+	pRec->first = pString;
+	_XcmsCopyISOLatin1Lowered(pString, f1);
+	pString += (1 + RemoveSpaces(pString));
+	pRec->second = pString;
+	/* Right String */
+	_XcmsCopyISOLatin1Lowered(pString, f2);
+	pString += RemoveSpaces(pString) + 1;
+	pRec++;
+
+    }
+
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		LoadColornameDB - Load the Color Name Database
+ *
+ *	SYNOPSIS
+ */
+static Status
+LoadColornameDB(void)
+/*
+ *	DESCRIPTION
+ *		Loads the Color Name Database from a text file.
+ *
+ *	RETURNS
+ *		XcmsSuccess if succeeded, otherwise XcmsFailure.
+ *
+ */
+{
+    int size;
+    FILE *stream;
+    const char *pathname;
+    struct stat txt;
+    int length;
+
+    /* use and name of this env var is not part of the standard */
+    /* implementation-dependent feature */
+    if ((pathname = getenv("XCMSDB")) == NULL) {
+	pathname = XCMSDB;
+    }
+
+    length = strlen(pathname);
+    if ((length == 0) || (length >= (BUFSIZ - 5))){
+	XcmsColorDbState = XcmsDbInitFailure;
+	return(XcmsFailure);
+    }
+
+    if (stat(pathname, &txt)) {
+	/* can't stat file */
+	XcmsColorDbState = XcmsDbInitFailure;
+	return(XcmsFailure);
+    }
+
+    if ((stream = _XFopenFile (pathname, "r")) == NULL) {
+	/* can't open file */
+	XcmsColorDbState = XcmsDbInitFailure;
+	return(XcmsFailure);
+    }
+
+    if (stringSectionSize(stream, &nEntries, &size) != XcmsSuccess ||
+	nEntries == 0) {
+	(void) fclose(stream);
+	XcmsColorDbState = XcmsDbInitFailure;
+	return(XcmsFailure);
+    }
+    rewind(stream);
+
+    strings = Xmalloc(size);
+    pairs = Xcalloc(nEntries, sizeof(XcmsPair));
+
+    ReadColornameDB(stream, pairs, strings);
+    (void) fclose(stream);
+
+    /*
+     * sort the pair recs
+     */
+    qsort((char *)pairs, nEntries, sizeof(XcmsPair), FirstCmp);
+
+    XcmsColorDbState = XcmsDbInitSuccess;
+    return(XcmsSuccess);
+}
+
+
+/************************************************************************
+ *									*
+ *			API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		_XcmsCopyISOLatin1Lowered
+ *
+ *	SYNOPSIS
+ */
+void
+_XcmsCopyISOLatin1Lowered(
+    char *dst,
+    const char *src)
+/*
+ *	DESCRIPTION
+ *		ISO Latin-1 case conversion routine
+ *		Identical to XmuCopyISOLatin1Lowered() but provided here
+ *		to eliminate need to link with libXmu.a.
+ *
+ *		IMPLEMENTORS NOTE:
+ *		    This routine is also used in XcmsFormatOfPrefix.
+ *
+ *	RETURNS
+ *		Void
+ *
+ */
+{
+    register unsigned char *dest;
+    register const unsigned char *source;
+
+    for (dest = (unsigned char *)dst, source = (const unsigned char *)src;
+	 *source;
+	 source++, dest++)
+    {
+	if ((*source >= XK_A) && (*source <= XK_Z))
+	    *dest = *source + (XK_a - XK_A);
+	else if ((*source >= XK_Agrave) && (*source <= XK_Odiaeresis))
+	    *dest = *source + (XK_agrave - XK_Agrave);
+	else if ((*source >= XK_Ooblique) && (*source <= XK_Thorn))
+	    *dest = *source + (XK_oslash - XK_Ooblique);
+	else
+	    *dest = *source;
+    }
+    *dest = '\0';
+}
+
+
+/*
+ *	NAME
+ *		_XcmsResolveColorString -
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsResolveColorString (
+    XcmsCCC ccc,
+    const char **color_string,
+    XcmsColor *pColor_exact_return,
+    XcmsColorFormat result_format)
+/*
+ *	DESCRIPTION
+ *		The XcmsLookupColor function finds the color specification
+ *		associated with a color name in the Device-Independent Color
+ *		Name Database.
+ *	RETURNS
+ *		XcmsFailure if failed to convert valid color string.
+ *		XcmsSuccess if succeeded in converting color string to
+ *			XcmsColor.
+ *		_XCMS_NEWNAME if failed to parse the string or find it in
+ *			the database, or if succeeded in looking it up and
+ *			found another name which is not in the database.
+ *			Note that the new name is returned in color_string.
+ *
+ *		This function returns both the color specification found in the
+ *		database (db specification) and the color specification for the
+ *		color displayable by the specified screen (screen
+ *		specification).  The calling routine sets the format for these
+ *		returned specifications in the XcmsColor format component.
+ *		If XcmsUndefinedFormat, the specification is returned in the
+ *		format used to store the color in the database.
+ */
+{
+    XcmsColor dbWhitePt;	/* whitePt associated with pColor_exact_return*/
+				/*    the screen's white point */
+    XcmsColor *pClientWhitePt;
+    int retval;
+    const char *strptr = whitePtStr;
+
+/*
+ * 0. Check for invalid arguments.
+ */
+    if (ccc == NULL || (*color_string)[0] == '\0' || pColor_exact_return == NULL) {
+	return(XcmsFailure);
+    }
+
+/*
+ * 1. First attempt to parse the string
+ *    If successful, then convert the specification to the target format
+ *    and return.
+ */
+    if (_XcmsParseColorString(ccc, *color_string, pColor_exact_return)
+	    == 1) {
+	if (result_format != XcmsUndefinedFormat
+		&& pColor_exact_return->format != result_format) {
+	    /* need to be converted to the target format */
+	    return(XcmsConvertColors(ccc, pColor_exact_return, 1,
+		    result_format, (Bool *)NULL));
+	} else {
+	    return(XcmsSuccess);
+	}
+    }
+
+/*
+ * 2. Attempt to find it in the DI Color Name Database
+ */
+
+    /*
+     * a. Convert String into a XcmsColor structure
+     *       Attempt to extract the specification for color_string from the
+     *       DI Database (pColor_exact_return).  If the DI Database does not
+     *	     have this entry, then return failure.
+     */
+    retval = _XcmsLookupColorName(ccc, color_string, pColor_exact_return);
+
+    if (retval != XcmsSuccess) {
+	/* color_string replaced with a color name, or not found */
+	return(_XCMS_NEWNAME);
+    }
+
+    if (pColor_exact_return->format == XcmsUndefinedFormat) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * b. If result_format not defined, then assume target format
+     *	  is the exact format.
+     */
+    if (result_format == XcmsUndefinedFormat) {
+	result_format = pColor_exact_return->format;
+    }
+
+    if ((ClientWhitePointOfCCC(ccc))->format == XcmsUndefinedFormat) {
+	pClientWhitePt = ScreenWhitePointOfCCC(ccc);
+    } else {
+	pClientWhitePt = ClientWhitePointOfCCC(ccc);
+    }
+
+    /*
+     * c. Convert to the target format, making adjustments for white
+     *	  point differences as necessary.
+     */
+    if (XCMS_DD_ID(pColor_exact_return->format)) {
+	/*
+	 * The spec format is Device-Dependent, therefore assume the
+	 *    its white point is the Screen White Point.
+	 */
+	if (XCMS_DD_ID(result_format)) {
+	    /*
+	     * Target format is Device-Dependent
+	     *	Therefore, DD --> DD conversion
+	     */
+	    return(_XcmsDDConvertColors(ccc, pColor_exact_return,
+		    1, result_format, (Bool *) NULL));
+	} else {
+	    /*
+	     * Target format is Device-Independent
+	     *	Therefore, DD --> DI conversion
+	     */
+	    if (ccc->whitePtAdjProc && !_XcmsEqualWhitePts(ccc,
+		    pClientWhitePt, ScreenWhitePointOfCCC(ccc))) {
+		return((*ccc->whitePtAdjProc)(ccc, ScreenWhitePointOfCCC(ccc),
+			pClientWhitePt, result_format,
+			pColor_exact_return, 1, (Bool *) NULL));
+	    } else {
+		if (_XcmsDDConvertColors(ccc, pColor_exact_return, 1,
+			XcmsCIEXYZFormat, (Bool *) NULL) == XcmsFailure) {
+		    return(XcmsFailure);
+		}
+		return(_XcmsDIConvertColors(ccc, pColor_exact_return,
+			pClientWhitePt, 1, result_format));
+	    }
+	}
+    } else {
+	/*
+	 * The spec format is Device-Independent, therefore attempt
+	 * to find a database white point.
+	 *
+	 * If the Database does not have a white point, then assume the
+	 * database white point is the same as the Screen White Point.
+	 */
+
+	if (_XcmsLookupColorName(ccc, &strptr, &dbWhitePt) != 1) {
+	    memcpy((char *)&dbWhitePt,
+		   (char *)&ccc->pPerScrnInfo->screenWhitePt,
+		   sizeof(XcmsColor));
+	}
+	if (XCMS_DD_ID(result_format)) {
+	    /*
+	     * Target format is Device-Dependent
+	     *	Therefore, DI --> DD conversion
+	     */
+	    if (ccc->whitePtAdjProc && !_XcmsEqualWhitePts(ccc,
+		    &dbWhitePt, ScreenWhitePointOfCCC(ccc))) {
+		return((*ccc->whitePtAdjProc)(ccc, &dbWhitePt,
+			ScreenWhitePointOfCCC(ccc), result_format,
+			pColor_exact_return, 1, (Bool *)NULL));
+	    } else {
+		if (pColor_exact_return->format != XcmsCIEXYZFormat) {
+		    if (_XcmsDIConvertColors(ccc, pColor_exact_return,
+			    &dbWhitePt, 1, XcmsCIEXYZFormat) == XcmsFailure) {
+			return(XcmsFailure);
+		    }
+		}
+		return (_XcmsDDConvertColors(ccc, pColor_exact_return, 1,
+			result_format, (Bool *)NULL));
+	    }
+	} else {
+	    /*
+	     * Target format is Device-Independent
+	     *	Therefore, DI --> DI conversion
+	     */
+	    if (ccc->whitePtAdjProc && !_XcmsEqualWhitePts(ccc,
+		    &dbWhitePt, pClientWhitePt)) {
+		/*
+		 * The calling routine wants to resolve this color
+		 * in terms if it's white point (i.e. Client White Point).
+		 * Therefore, apply white adjustment for the displacement
+		 * between dbWhitePt to clientWhitePt.
+		 */
+		return((*ccc->whitePtAdjProc)(ccc, &dbWhitePt,
+			pClientWhitePt, result_format,
+			pColor_exact_return, 1, (Bool *)NULL));
+	    } else if (_XcmsEqualWhitePts(ccc,
+		    &dbWhitePt, pClientWhitePt)) {
+		/*
+		 * Can use either dbWhitePt or pClientWhitePt to
+		 * convert to the result_format.
+		 */
+		if (pColor_exact_return->format == result_format) {
+		    return(XcmsSuccess);
+		} else {
+		    return (_XcmsDIConvertColors(ccc, pColor_exact_return,
+			    &dbWhitePt, 1, result_format));
+		}
+	    } else {
+		/*
+		 * Need to convert to a white point independent color
+		 * space (let's choose CIEXYZ) then convert to the
+		 * target color space.  Why? Lets assume that
+		 * pColor_exact_return->format and result format
+		 * are white point dependent format (e.g., CIELUV, CIELAB,
+		 * TekHVC ... same or any combination). If so, we'll
+		 * need to convert the color with dbWhitePt to an absolute
+		 * spec (i.e.  non-white point dependent) then convert that
+		 * absolute value with clientWhitePt to the result_format.
+		 */
+		if (pColor_exact_return->format != XcmsCIEXYZFormat) {
+		    if (_XcmsDIConvertColors(ccc, pColor_exact_return,
+			    &dbWhitePt, 1, XcmsCIEXYZFormat) == XcmsFailure) {
+			return(XcmsFailure);
+		    }
+		}
+		if (result_format == XcmsCIEXYZFormat) {
+		    return(XcmsSuccess);
+		} else {
+		    return(_XcmsDIConvertColors(ccc, pColor_exact_return,
+			    pClientWhitePt, 1, result_format));
+		}
+	    }
+	}
+    }
+}
diff --git a/nx-X11/lib/src/xcms/cmsGlobls.c b/nx-X11/lib/src/xcms/cmsGlobls.c
new file mode 100644
index 000000000..c9e82f242
--- /dev/null
+++ b/nx-X11/lib/src/xcms/cmsGlobls.c
@@ -0,0 +1,126 @@
+
+/*
+ * 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
+ *		XcmsGlobls.c
+ *
+ *	DESCRIPTION
+ *		Source file containing Xcms globals
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *      GLOBALS
+ *              Variables declared in this package that are allowed
+ *		to be used globally.
+ */
+
+    /*
+     * Initial array of Device Independent Color Spaces
+     */
+XcmsColorSpace *_XcmsDIColorSpacesInit[] = {
+    &XcmsCIEXYZColorSpace,
+    &XcmsCIEuvYColorSpace,
+    &XcmsCIExyYColorSpace,
+    &XcmsCIELabColorSpace,
+    &XcmsCIELuvColorSpace,
+    &XcmsTekHVCColorSpace,
+    &XcmsUNDEFINEDColorSpace,
+    NULL
+};
+    /*
+     * Pointer to the array of pointers to XcmsColorSpace structures for
+     * Device-Independent Color Spaces that are currently accessible by
+     * the color management system.  End of list is indicated by a NULL pointer.
+     */
+XcmsColorSpace **_XcmsDIColorSpaces = _XcmsDIColorSpacesInit;
+
+    /*
+     * Initial array of Device Dependent Color Spaces
+     */
+XcmsColorSpace *_XcmsDDColorSpacesInit[] = {
+    &XcmsRGBColorSpace,
+    &XcmsRGBiColorSpace,
+    NULL
+};
+    /*
+     * Pointer to the array of pointers to XcmsColorSpace structures for
+     * Device-Dependent Color Spaces that are currently accessible by
+     * the color management system.  End of list is indicated by a NULL pointer.
+     */
+XcmsColorSpace **_XcmsDDColorSpaces = &_XcmsDDColorSpacesInit[0];
+
+    /*
+     * Initial array of Screen Color Characterization Function Sets
+     */
+XcmsFunctionSet	*_XcmsSCCFuncSetsInit[] = {
+	&XcmsLinearRGBFunctionSet,
+#ifdef GRAY
+	&XcmsGrayFunctionSet,
+#endif /* GRAY */
+	NULL};
+    /*
+     * Pointer to the array of pointers to XcmsSCCFuncSet structures
+     * (Screen Color Characterization Function Sets) that are currently
+     * accessible by the color management system.  End of list is
+     * indicated by a NULL pointer.
+     */
+XcmsFunctionSet **_XcmsSCCFuncSets = _XcmsSCCFuncSetsInit;
+
+    /*
+     * X Consortium Registered Device-Independent Color Spaces
+     *	Note that prefix must be in lowercase.
+     */
+const char	_XcmsCIEXYZ_prefix[] = "ciexyz";
+const char	_XcmsCIEuvY_prefix[] = "cieuvy";
+const char	_XcmsCIExyY_prefix[] = "ciexyy";
+const char	_XcmsCIELab_prefix[] = "cielab";
+const char 	_XcmsCIELuv_prefix[] = "cieluv";
+const char	_XcmsTekHVC_prefix[] = "tekhvc";
+    /*
+     * Registered Device-Dependent Color Spaces
+     */
+const char	_XcmsRGBi_prefix[] = "rgbi";
+const char	_XcmsRGB_prefix[] = "rgb";
+
+XcmsRegColorSpaceEntry _XcmsRegColorSpaces[] = {
+    { _XcmsCIEXYZ_prefix, XcmsCIEXYZFormat },
+    { _XcmsCIEuvY_prefix, XcmsCIEuvYFormat },
+    { _XcmsCIExyY_prefix, XcmsCIExyYFormat },
+    { _XcmsCIELab_prefix, XcmsCIELabFormat },
+    { _XcmsCIELuv_prefix, XcmsCIELuvFormat },
+    { _XcmsTekHVC_prefix, XcmsTekHVCFormat },
+    { _XcmsRGB_prefix, XcmsRGBFormat },
+    { _XcmsRGBi_prefix,	XcmsRGBiFormat },
+    { NULL, 0 }
+};
diff --git a/nx-X11/lib/src/xcms/cmsInt.c b/nx-X11/lib/src/xcms/cmsInt.c
new file mode 100644
index 000000000..f4aef04ff
--- /dev/null
+++ b/nx-X11/lib/src/xcms/cmsInt.c
@@ -0,0 +1,411 @@
+
+/*
+ * 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
+ *		XcmsInt.c - Xcms API utility routines
+ *
+ *	DESCRIPTION
+ *		Xcms Application Program Interface (API) utility
+ *		routines for hanging information directly onto
+ *		the Display structure.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+#ifndef XCMSCOMPPROC
+#  define XCMSCOMPPROC	XcmsTekHVCClipC
+#endif
+
+/* forward/static */
+static void _XcmsFreeDefaultCCCs(Display *dpy);
+
+
+/************************************************************************
+ *									*
+ *			   API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		_XcmsCopyPointerArray
+ *
+ *	SYNOPSIS
+ */
+XPointer *
+_XcmsCopyPointerArray(
+    XPointer *pap)
+/*
+ *	DESCRIPTION
+ *		Copies an array of NULL terminated pointers.
+ *
+ *	RETURNS
+ *		Returns NULL if failed; otherwise the address to
+ *		the copy.
+ *
+ */
+{
+    XPointer *newArray;
+    char **tmp;
+    int n;
+
+    for (tmp = pap, n = 0; *tmp != NULL; tmp++, n++);
+    n++; /* add 1 to include the NULL pointer */
+
+    if ((newArray = Xmalloc(n * sizeof(XPointer)))) {
+	memcpy((char *)newArray, (char *)pap,
+	       (unsigned)(n * sizeof(XPointer)));
+    }
+    return((XPointer *)newArray);
+}
+
+/*
+ *	NAME
+ *		_XcmsFreePointerArray
+ *
+ *	SYNOPSIS
+ */
+void
+_XcmsFreePointerArray(
+    XPointer *pap)
+/*
+ *	DESCRIPTION
+ *		Frees an array of NULL terminated pointers.
+ *
+ *	RETURNS
+ *		void
+ *
+ */
+{
+    Xfree(pap);
+}
+
+/*
+ *	NAME
+ *		_XcmsPushPointerArray
+ *
+ *	SYNOPSIS
+ */
+XPointer *
+_XcmsPushPointerArray(
+    XPointer *pap,
+    XPointer p,
+    XPointer *papNoFree)
+/*
+ *	DESCRIPTION
+ *		Places the specified pointer at the head of an array of NULL
+ *		terminated pointers.
+ *
+ *	RETURNS
+ *		Returns NULL if failed; otherwise the address to
+ *		the head of the array.
+ *
+ */
+{
+    XPointer *newArray;
+    char **tmp;
+    int n;
+
+    for (tmp = pap, n = 0; *tmp != NULL; tmp++, n++);
+
+    /* add 2: 1 for the new pointer and another for the NULL pointer */
+    n += 2;
+
+    if ((newArray = Xmalloc(n * sizeof(XPointer)))) {
+	memcpy((char *)(newArray+1),(char *)pap,
+	       (unsigned)((n-1) * sizeof(XPointer)));
+	*newArray = p;
+    }
+    if (pap != papNoFree) {
+        _XcmsFreePointerArray(pap);
+    }
+    return((XPointer *)newArray);
+}
+
+/*
+ *	NAME
+ *		_XcmsInitDefaultCCCs
+ *
+ *	SYNOPSIS
+ */
+int
+_XcmsInitDefaultCCCs(
+    Display *dpy)
+/*
+ *	DESCRIPTION
+ *		Initializes the Xcms per Display Info structure
+ *		(XcmsPerDpyInfo).
+ *
+ *	RETURNS
+ *		Returns 0 if failed; otherwise non-zero.
+ *
+ */
+{
+    int nScrn = ScreenCount(dpy);
+    int i;
+    XcmsCCC ccc;
+
+    if (nScrn <= 0) {
+	return(0);
+    }
+
+    /*
+     * Create an array of XcmsCCC structures, one for each screen.
+     * They serve as the screen's default CCC.
+     */
+    if (!(ccc = Xcalloc((unsigned)nScrn, sizeof(XcmsCCCRec)))) {
+	return(0);
+    }
+    dpy->cms.defaultCCCs = (XPointer)ccc;
+    dpy->free_funcs->defaultCCCs = _XcmsFreeDefaultCCCs;
+
+    for (i = 0; i < nScrn; i++, ccc++) {
+	ccc->dpy = dpy;
+	ccc->screenNumber = i;
+	ccc->visual = DefaultVisual(dpy, i);
+	/*
+	 * Used calloc to allocate memory so:
+	 *	ccc->clientWhitePt->format == XcmsUndefinedFormat
+	 *	ccc->gamutCompProc == NULL
+	 *	ccc->whitePtAdjProc == NULL
+	 *	ccc->pPerScrnInfo = NULL
+	 *
+	 * Don't need to create XcmsPerScrnInfo and its functionSet and
+	 * pScreenData components until the default CCC is accessed.
+	 * Note that the XcmsDefaultCCC routine calls _XcmsInitScrnInto
+	 * to do this.
+	 */
+	ccc->gamutCompProc = XCMSCOMPPROC;
+    }
+
+    return(1);
+}
+
+
+/*
+ *	NAME
+ *		_XcmsFreeDefaultCCCs - Free Default CCCs and its PerScrnInfo
+ *
+ *	SYNOPSIS
+ */
+static void
+_XcmsFreeDefaultCCCs(
+    Display *dpy)
+/*
+ *	DESCRIPTION
+ *		This routine frees the default XcmsCCC's associated with
+ *		each screen and its associated substructures as neccessary.
+ *
+ *	RETURNS
+ *		void
+ *
+ *
+ */
+{
+    int nScrn = ScreenCount(dpy);
+    XcmsCCC ccc;
+    int i;
+
+    /*
+     * Free Screen data in each DefaultCCC
+     *		Do not use XcmsFreeCCC here because it will not free
+     *		DefaultCCC's.
+     */
+    ccc = (XcmsCCC)dpy->cms.defaultCCCs;
+    for (i = nScrn; i--; ccc++) {
+	/*
+	 * Check if XcmsPerScrnInfo exists.
+	 *
+	 * This is the only place where XcmsPerScrnInfo structures
+	 * are freed since there is only one allocated per Screen.
+	 * It just so happens that we place its reference in the
+	 * default CCC.
+	 */
+	if (ccc->pPerScrnInfo) {
+	    /* Check if SCCData exists */
+	    if (ccc->pPerScrnInfo->state != XcmsInitNone
+		    && ccc->pPerScrnInfo->screenData) {
+		(*((XcmsFunctionSet *)ccc->pPerScrnInfo->functionSet)->screenFreeProc)
+			(ccc->pPerScrnInfo->screenData);
+	    }
+	    Xfree(ccc->pPerScrnInfo);
+	}
+    }
+
+    /*
+     * Free the array of XcmsCCC structures
+     */
+    Xfree(dpy->cms.defaultCCCs);
+    dpy->cms.defaultCCCs = (XPointer)NULL;
+}
+
+
+
+/*
+ *	NAME
+ *		_XcmsInitScrnInfo
+ *
+ *	SYNOPSIS
+ */
+int
+_XcmsInitScrnInfo(
+    register Display *dpy,
+    int screenNumber)
+/*
+ *	DESCRIPTION
+ *		Given a display and screen number, this routine attempts
+ *		to initialize the Xcms per Screen Info structure
+ *		(XcmsPerScrnInfo).
+ *
+ *	RETURNS
+ *		Returns zero if initialization failed; non-zero otherwise.
+ */
+{
+    XcmsFunctionSet **papSCCFuncSet = _XcmsSCCFuncSets;
+    XcmsCCC defaultccc;
+
+    /*
+     * Check if the XcmsCCC's for each screen has been created.
+     * Really dont need to be created until some routine uses the Xcms
+     * API routines.
+     */
+    if ((XcmsCCC)dpy->cms.defaultCCCs == NULL) {
+	if (!_XcmsInitDefaultCCCs(dpy)) {
+	    return(0);
+	}
+    }
+
+    defaultccc = (XcmsCCC)dpy->cms.defaultCCCs + screenNumber;
+
+    /*
+     * For each SCCFuncSet, try its pInitScrnFunc.
+     *	If the function succeeds, then we got it!
+     */
+
+    if (!defaultccc->pPerScrnInfo) {
+	/*
+	 * This is one of two places where XcmsPerScrnInfo structures
+	 * are allocated.  There is one allocated per Screen that is
+	 * shared among visuals that do not have specific intensity
+	 * tables.  Other XcmsPerScrnInfo structures are created
+	 * for the latter (see XcmsCreateCCC).  The ones created
+	 * here are referenced by the default CCC.
+	 */
+	if (!(defaultccc->pPerScrnInfo =
+		Xcalloc(1, sizeof(XcmsPerScrnInfo)))) {
+	    return(0);
+	}
+	defaultccc->pPerScrnInfo->state = XcmsInitNone;
+    }
+
+    while (*papSCCFuncSet != NULL) {
+	if ((*(*papSCCFuncSet)->screenInitProc)(dpy, screenNumber,
+		defaultccc->pPerScrnInfo)) {
+	    defaultccc->pPerScrnInfo->state = XcmsInitSuccess;
+	    return(1);
+	}
+	papSCCFuncSet++;
+    }
+
+    /*
+     * Use Default SCCData
+     */
+    return(_XcmsLRGB_InitScrnDefault(dpy, screenNumber, defaultccc->pPerScrnInfo));
+}
+
+
+/*
+ *	NAME
+ *		_XcmsFreeIntensityMaps
+ *
+ *	SYNOPSIS
+ */
+void
+_XcmsFreeIntensityMaps(
+    Display *dpy)
+/*
+ *	DESCRIPTION
+ *		Frees all XcmsIntensityMap structures in the linked list
+ *		and sets dpy->cms.perVisualIntensityMaps to NULL.
+ *
+ *	RETURNS
+ *		void
+ *
+ */
+{
+    XcmsIntensityMap *pNext, *pFree;
+
+    pNext = (XcmsIntensityMap *)dpy->cms.perVisualIntensityMaps;
+    while (pNext != NULL) {
+	pFree = pNext;
+	pNext = pNext->pNext;
+	(*pFree->pFreeScreenData)(pFree->screenData);
+	/* Now free the XcmsIntensityMap structure */
+	Xfree(pFree);
+    }
+    dpy->cms.perVisualIntensityMaps = (XPointer)NULL;
+}
+
+
+/*
+ *	NAME
+ *		_XcmsGetIntensityMap
+ *
+ *	SYNOPSIS
+ */
+XcmsIntensityMap *
+_XcmsGetIntensityMap(
+    Display *dpy,
+    Visual *visual)
+/*
+ *	DESCRIPTION
+ *		Attempts to return a per-Visual intensity map.
+ *
+ *	RETURNS
+ *		Pointer to the XcmsIntensityMap structure if found;
+ *		otherwise NULL
+ *
+ */
+{
+    VisualID targetID = visual->visualid;
+    XcmsIntensityMap *pNext;
+
+    pNext = (XcmsIntensityMap *)dpy->cms.perVisualIntensityMaps;
+    while (pNext != NULL) {
+	if (targetID == pNext->visualID) {
+	    return(pNext);
+	}
+	pNext = pNext->pNext;
+    }
+    return((XcmsIntensityMap *)NULL);
+}
diff --git a/nx-X11/lib/src/xcms/cmsLkCol.c b/nx-X11/lib/src/xcms/cmsLkCol.c
new file mode 100644
index 000000000..15e987424
--- /dev/null
+++ b/nx-X11/lib/src/xcms/cmsLkCol.c
@@ -0,0 +1,193 @@
+
+/*
+ * 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
+ *		XcmsLkCol.c
+ *
+ *	DESCRIPTION
+ *		Source for XcmsLookupColor
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/*
+ *	NAME
+ *		XcmsLookupColor -
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsLookupColor (
+    Display *dpy,
+    Colormap cmap,
+    _Xconst char *colorname,
+    XcmsColor *pColor_exact_return,
+    XcmsColor *pColor_scrn_return,
+    XcmsColorFormat result_format)
+/*
+ *	DESCRIPTION
+ *		The XcmsLookupColor function finds the color specification
+ *		associated with a color name in the Device-Independent Color
+ *		Name Database.
+ *	RETURNS
+ *		This function returns both the color specification found in the
+ *		database (db specification) and the color specification for the
+ *		color displayable by the specified screen (screen
+ *		specification).  The calling routine sets the format for these
+ *		returned specifications in the XcmsColor format component.
+ *		If XcmsUndefinedFormat, the specification is returned in the
+ *		format used to store the color in the database.
+ */
+{
+    Status retval1 = XcmsSuccess;
+    Status retval2 = XcmsSuccess;
+    XcmsCCC ccc;
+    register int n;
+    xLookupColorReply reply;
+    register xLookupColorReq *req;
+    XColor def, scr;
+
+/*
+ * 0. Check for invalid arguments.
+ */
+    if (dpy == NULL || colorname[0] == '\0' || pColor_scrn_return == 0
+	    || pColor_exact_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    if ((ccc = XcmsCCCOfColormap(dpy, cmap)) == (XcmsCCC)NULL) {
+	return(XcmsFailure);
+    }
+
+/*
+ * 1. Convert string to a XcmsColor
+ */
+    if ((retval1 = _XcmsResolveColorString(ccc, &colorname,
+	    pColor_exact_return, result_format)) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+    if (retval1 == _XCMS_NEWNAME) {
+	goto PassToServer;
+    }
+
+/*
+ * 2. pColor_scrn_return
+ *	    Assume the pColor_exact_return has already been adjusted to
+ *	    the Client White Point.
+ *
+ */
+    /*
+     * Convert to RGB, adjusting for white point differences if necessary.
+     */
+    memcpy((char *)pColor_scrn_return, (char *)pColor_exact_return,
+	   sizeof(XcmsColor));
+    if (pColor_scrn_return->format == XcmsRGBFormat) {
+	retval2 = XcmsSuccess;
+    } else if ((retval2 = XcmsConvertColors(ccc, pColor_scrn_return, 1,
+	    XcmsRGBFormat, (Bool *)NULL)) == XcmsFailure) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Then, convert XcmsColor structure to the target specification
+     *    format.  Note that we must use NULL instead of passing
+     *    pCompressed.
+     */
+
+    if (result_format ==  XcmsUndefinedFormat) {
+	result_format = pColor_exact_return->format;
+    }
+    if (result_format == XcmsRGBFormat) {
+	_XcmsUnresolveColor(ccc, pColor_scrn_return);
+    } else {
+	_XcmsResolveColor(ccc, pColor_scrn_return);
+	if (XcmsConvertColors(ccc, pColor_scrn_return, 1, result_format,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+    }
+
+    return(retval1 > retval2 ? retval1 : retval2);
+
+PassToServer:
+    /*
+     * Xcms and i18n methods failed, so lets pass it to the server
+     * for parsing.
+     */
+
+    LockDisplay(dpy);
+    GetReq (LookupColor, req);
+    req->cmap = cmap;
+    req->nbytes = n = strlen(colorname);
+    req->length += (n + 3) >> 2;
+    Data (dpy, colorname, (long)n);
+    if (!_XReply (dpy, (xReply *) &reply, 0, xTrue)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return (XcmsFailure);
+	}
+    def.red   = reply.exactRed;
+    def.green = reply.exactGreen;
+    def.blue  = reply.exactBlue;
+
+    scr.red   = reply.screenRed;
+    scr.green = reply.screenGreen;
+    scr.blue  = reply.screenBlue;
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+
+    _XColor_to_XcmsRGB(ccc, &def, pColor_exact_return, 1);
+    _XColor_to_XcmsRGB(ccc, &scr, pColor_scrn_return, 1);
+
+    /*
+     * Then, convert XcmsColor structure to the target specification
+     *    format.  Note that we must use NULL instead of passing
+     *    pCompressed.
+     */
+
+    if (result_format != XcmsRGBFormat
+	    && result_format != XcmsUndefinedFormat) {
+	if (XcmsConvertColors(ccc, pColor_exact_return, 1, result_format,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+	if (XcmsConvertColors(ccc, pColor_scrn_return, 1, result_format,
+		(Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+    }
+
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/cmsMath.c b/nx-X11/lib/src/xcms/cmsMath.c
new file mode 100644
index 000000000..487eb3f9c
--- /dev/null
+++ b/nx-X11/lib/src/xcms/cmsMath.c
@@ -0,0 +1,140 @@
+
+/*
+
+Copyright 1990, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+/*
+ * Stephen Gildea, MIT X Consortium, January 1991
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+
+#ifdef DEBUG
+#include <stdio.h>
+#endif
+
+#include <float.h>
+#ifndef DBL_EPSILON
+#define DBL_EPSILON 1e-6
+#endif
+
+#ifdef _X_ROOT_STATS
+int cbrt_loopcount;
+int sqrt_loopcount;
+#endif
+
+/* Newton's Method:  x_n+1 = x_n - ( f(x_n) / f'(x_n) ) */
+
+
+/* for cube roots, x^3 - a = 0,  x_new = x - 1/3 (x - a/x^2) */
+
+double
+_XcmsCubeRoot(double a)
+{
+    register double abs_a, cur_guess, delta;
+
+#ifdef DEBUG
+    printf("_XcmsCubeRoot passed in %g\n", a);
+#endif
+#ifdef _X_ROOT_STATS
+    cbrt_loopcount = 0;
+#endif
+    if (a == 0.)
+	return 0.;
+
+    abs_a = a<0. ? -a : a;	/* convert to positive to speed loop tests */
+
+    /* arbitrary first guess */
+    if (abs_a > 1.)
+	cur_guess = abs_a/8.;
+    else
+	cur_guess = abs_a*8.;
+
+    do {
+#ifdef _X_ROOT_STATS
+	cbrt_loopcount++;
+#endif
+	delta = (cur_guess - abs_a/(cur_guess*cur_guess))/3.;
+	cur_guess -= delta;
+	if (delta < 0.) delta = -delta;
+    } while (delta >= cur_guess*DBL_EPSILON);
+
+    if (a < 0.)
+	cur_guess = -cur_guess;
+
+#ifdef DEBUG
+    printf("_XcmsCubeRoot returning %g\n", cur_guess);
+#endif
+    return cur_guess;
+}
+
+
+
+/* for square roots, x^2 - a = 0,  x_new = x - 1/2 (x - a/x) */
+
+double
+_XcmsSquareRoot(double a)
+{
+    register double cur_guess, delta;
+
+#ifdef DEBUG
+    printf("_XcmsSquareRoot passed in %g\n", a);
+#endif
+#ifdef _X_ROOT_STATS
+    sqrt_loopcount = 0;
+#endif
+    if (a == 0.)
+	return 0.;
+
+    if (a < 0.) {
+	/* errno = EDOM; */
+	return 0.;
+    }
+
+    /* arbitrary first guess */
+    if (a > 1.)
+	cur_guess = a/4.;
+    else
+	cur_guess = a*4.;
+
+    do {
+#ifdef _X_ROOT_STATS
+	sqrt_loopcount++;
+#endif
+	delta = (cur_guess - a/cur_guess)/2.;
+	cur_guess -= delta;
+	if (delta < 0.) delta = -delta;
+    } while (delta >= cur_guess*DBL_EPSILON);
+
+#ifdef DEBUG
+    printf("_XcmsSquareRoot returning %g\n", cur_guess);
+#endif
+    return cur_guess;
+}
+
diff --git a/nx-X11/lib/src/xcms/cmsProp.c b/nx-X11/lib/src/xcms/cmsProp.c
new file mode 100644
index 000000000..a7aa5b5c5
--- /dev/null
+++ b/nx-X11/lib/src/xcms/cmsProp.c
@@ -0,0 +1,153 @@
+
+/*
+ *
+ * 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
+ *		XcmsProp.c
+ *
+ *	DESCRIPTION
+ *		This utility routines for manipulating properties.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <nx-X11/Xatom.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ *									*
+ *			API PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+
+/*
+ *	NAME
+ *		_XcmsGetElement -- get an element value from the property passed
+ *
+ *	SYNOPSIS
+ */
+unsigned long
+_XcmsGetElement(
+    int             format,
+    char            **pValue,
+    unsigned long   *pCount)
+/*
+ *	DESCRIPTION
+ *	    Get the next element from the property and return it.
+ *	    Also increment the pointer the amount needed.
+ *
+ *	Returns
+ *	    unsigned long
+ */
+{
+    unsigned long value;
+
+    switch (format) {
+      case 32:
+	value = *((unsigned long *)(*pValue)) & 0xFFFFFFFF;
+	*pValue += sizeof(unsigned long);
+	*pCount -= 1;
+	break;
+      case 16:
+	value = *((unsigned short *)(*pValue));
+	*pValue += sizeof(unsigned short);
+	*pCount -= 1;
+	break;
+      case 8:
+	value = *((unsigned char *) (*pValue));
+	*pValue += 1;
+	*pCount -= 1;
+	break;
+      default:
+	value = 0;
+	break;
+    }
+    return(value);
+}
+
+
+/*
+ *	NAME
+ *		_XcmsGetProperty -- Determine the existance of a property
+ *
+ *	SYNOPSIS
+ */
+int
+_XcmsGetProperty(
+    Display *pDpy,
+    Window  w,
+    Atom property,
+    int             *pFormat,
+    unsigned long   *pNItems,
+    unsigned long   *pNBytes,
+    char            **pValue)
+/*
+ *	DESCRIPTION
+ *
+ *	Returns
+ *	    0 if property does not exist.
+ *	    1 if property exists.
+ */
+{
+    char *prop_ret;
+    int format_ret;
+    long len = 6516;
+    #ifdef NXAGENT_SERVER
+    unsigned long nitems_ret, after_ret = 0;
+    #else
+    unsigned long nitems_ret, after_ret;
+    #endif
+    Atom atom_ret;
+    int xgwp_ret;
+
+    while (True) {
+	xgwp_ret = XGetWindowProperty (pDpy, w, property, 0, len, False,
+				       XA_INTEGER, &atom_ret, &format_ret,
+				       &nitems_ret, &after_ret,
+				       (unsigned char **)&prop_ret);
+	if (xgwp_ret == Success && after_ret > 0) {
+	    len += nitems_ret * (format_ret >> 3);
+	    XFree (prop_ret);
+	} else {
+	    break;
+	}
+    }
+    if (xgwp_ret != Success || format_ret == 0 || nitems_ret == 0) {
+	/* the property does not exist or is of an unexpected type or
+           getting window property failed */
+	return(XcmsFailure);
+    }
+
+    *pFormat = format_ret;
+    *pNItems = nitems_ret;
+    *pNBytes = nitems_ret * (format_ret >> 3);
+    *pValue = prop_ret;
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/cmsTrig.c b/nx-X11/lib/src/xcms/cmsTrig.c
new file mode 100644
index 000000000..b23033aa8
--- /dev/null
+++ b/nx-X11/lib/src/xcms/cmsTrig.c
@@ -0,0 +1,578 @@
+
+/*
+ * 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.
+ */
+
+/*
+ *	It should be pointed out that for simplicity's sake, the
+ *	environment parameters are defined as floating point constants,
+ *	rather than octal or hexadecimal initializations of allocated
+ *	storage areas.  This means that the range of allowed numbers
+ *	may not exactly match the hardware's capabilities.  For example,
+ *	if the maximum positive double precision floating point number
+ *	is EXACTLY 1.11...E100 and the constant "MAXDOUBLE is
+ *	defined to be 1.11E100 then the numbers between 1.11E100 and
+ *	1.11...E100 are considered to be undefined.  For most
+ *	applications, this will cause no problems.
+ *
+ *	An alternate method is to allocate a global static "double" variable,
+ *	say "maxdouble", and use a union declaration and initialization
+ *	to initialize it with the proper bits for the EXACT maximum value.
+ *	This was not done because the only compilers available to the
+ *	author did not fully support union initialization features.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xcmsint.h"
+
+/* forward/static */
+static double _XcmsModulo(double value, double base);
+static double _XcmsPolynomial(
+    register int order,
+    double const *coeffs,
+    double x);
+static double
+_XcmsModuloF(
+    double val,
+    register double *dp);
+
+/*
+ *	DEFINES
+ */
+#define XCMS_MAXERROR       	0.000001
+#define XCMS_MAXITER       	10000
+#define XCMS_PI       		3.14159265358979323846264338327950
+#define XCMS_TWOPI 		6.28318530717958620
+#define XCMS_HALFPI		1.57079632679489660
+#define XCMS_FOURTHPI		0.785398163397448280
+#define XCMS_SIXTHPI		0.523598775598298820
+#define XCMS_RADIANS(d)		((d) * XCMS_PI / 180.0)
+#define XCMS_DEGREES(r)		((r) * 180.0 / XCMS_PI)
+#define XCMS_X6_UNDERFLOWS	(4.209340e-52)	/* X**6 almost underflows */
+#define XCMS_X16_UNDERFLOWS	(5.421010e-20)	/* X**16 almost underflows*/
+#define XCMS_CHAR_BIT		8
+#define XCMS_LONG_MAX		0x7FFFFFFF
+#define XCMS_DEXPLEN		11
+#define XCMS_NBITS(type)	(XCMS_CHAR_BIT * (int)sizeof(type))
+#define XCMS_FABS(x)		((x) < 0.0 ? -(x) : (x))
+
+/* XCMS_DMAXPOWTWO - largest power of two exactly representable as a double */
+#define XCMS_DMAXPOWTWO	((double)(XCMS_LONG_MAX) * \
+	    (1L << ((XCMS_NBITS(double)-XCMS_DEXPLEN) - XCMS_NBITS(int) + 1)))
+
+/*
+ *	LOCAL VARIABLES
+ */
+
+static double const cos_pcoeffs[] = {
+    0.12905394659037374438e7,
+   -0.37456703915723204710e6,
+    0.13432300986539084285e5,
+   -0.11231450823340933092e3
+};
+
+static double const cos_qcoeffs[] = {
+    0.12905394659037373590e7,
+    0.23467773107245835052e5,
+    0.20969518196726306286e3,
+    1.0
+};
+
+static double const sin_pcoeffs[] = {
+    0.20664343336995858240e7,
+   -0.18160398797407332550e6,
+    0.35999306949636188317e4,
+   -0.20107483294588615719e2
+};
+
+static double const sin_qcoeffs[] = {
+    0.26310659102647698963e7,
+    0.39270242774649000308e5,
+    0.27811919481083844087e3,
+    1.0
+};
+
+/*
+ *
+ *  FUNCTION
+ *
+ *	_XcmsCosine   double precision cosine
+ *
+ *  KEY WORDS
+ *
+ *	cos
+ *	machine independent routines
+ *	trigonometric functions
+ *	math libraries
+ *
+ *  DESCRIPTION
+ *
+ *	Returns double precision cosine of double precision
+ *	floating point argument.
+ *
+ *  USAGE
+ *
+ *	double _XcmsCosine (x)
+ *	double x;
+ *
+ *  REFERENCES
+ *
+ *	Computer Approximations, J.F. Hart et al, John Wiley & Sons,
+ *	1968, pp. 112-120.
+ *
+ *  RESTRICTIONS
+ *
+ *	The sin and cos routines are interactive in the sense that
+ *	in the process of reducing the argument to the range -PI/4
+ *	to PI/4, each may call the other.  Ultimately one or the
+ *	other uses a polynomial approximation on the reduced
+ *	argument.  The sin approximation has a maximum relative error
+ *	of 10**(-17.59) and the cos approximation has a maximum
+ *	relative error of 10**(-16.18).
+ *
+ *	These error bounds assume exact arithmetic
+ *	in the polynomial evaluation.  Additional rounding and
+ *	truncation errors may occur as the argument is reduced
+ *	to the range over which the polynomial approximation
+ *	is valid, and as the polynomial is evaluated using
+ *	finite-precision arithmetic.
+ *
+ *  PROGRAMMER
+ *
+ *	Fred Fish
+ *
+ *  INTERNALS
+ *
+ *	Computes cos(x) from:
+ *
+ *		(1)	Reduce argument x to range -PI to PI.
+ *
+ *		(2)	If x > PI/2 then call cos recursively
+ *			using relation cos(x) = -cos(x - PI).
+ *
+ *		(3)	If x < -PI/2 then call cos recursively
+ *			using relation cos(x) = -cos(x + PI).
+ *
+ *		(4)	If x > PI/4 then call sin using
+ *			relation cos(x) = sin(PI/2 - x).
+ *
+ *		(5)	If x < -PI/4 then call cos using
+ *			relation cos(x) = sin(PI/2 + x).
+ *
+ *		(6)	If x would cause underflow in approx
+ *			evaluation arithmetic then return
+ *			sqrt(1.0 - x**2).
+ *
+ *		(7)	By now x has been reduced to range
+ *			-PI/4 to PI/4 and the approximation
+ *			from HART pg. 119 can be used:
+ *
+ *			cos(x) = ( p(y) / q(y) )
+ *			Where:
+ *
+ *			y    =	x * (4/PI)
+ *
+ *			p(y) =  SUM [ Pj * (y**(2*j)) ]
+ *			over j = {0,1,2,3}
+ *
+ *			q(y) =  SUM [ Qj * (y**(2*j)) ]
+ *			over j = {0,1,2,3}
+ *
+ *			P0   =	0.12905394659037374438571854e+7
+ *			P1   =	-0.3745670391572320471032359e+6
+ *			P2   =	0.134323009865390842853673e+5
+ *			P3   =	-0.112314508233409330923e+3
+ *			Q0   =	0.12905394659037373590295914e+7
+ *			Q1   =	0.234677731072458350524124e+5
+ *			Q2   =	0.2096951819672630628621e+3
+ *			Q3   =	1.0000...
+ *			(coefficients from HART table #3843 pg 244)
+ *
+ *
+ *	**** NOTE ****    The range reduction relations used in
+ *	this routine depend on the final approximation being valid
+ *	over the negative argument range in addition to the positive
+ *	argument range.  The particular approximation chosen from
+ *	HART satisfies this requirement, although not explicitly
+ *	stated in the text.  This may not be true of other
+ *	approximations given in the reference.
+ *
+ */
+
+double _XcmsCosine(double x)
+{
+    auto double y;
+    auto double yt2;
+    double retval;
+
+    if (x < -XCMS_PI || x > XCMS_PI) {
+	x = _XcmsModulo (x, XCMS_TWOPI);
+        if (x > XCMS_PI) {
+	    x = x - XCMS_TWOPI;
+        } else if (x < -XCMS_PI) {
+	    x = x + XCMS_TWOPI;
+        }
+    }
+    if (x > XCMS_HALFPI) {
+	retval = -(_XcmsCosine (x - XCMS_PI));
+    } else if (x < -XCMS_HALFPI) {
+	retval = -(_XcmsCosine (x + XCMS_PI));
+    } else if (x > XCMS_FOURTHPI) {
+	retval = _XcmsSine (XCMS_HALFPI - x);
+    } else if (x < -XCMS_FOURTHPI) {
+	retval = _XcmsSine (XCMS_HALFPI + x);
+    } else if (x < XCMS_X6_UNDERFLOWS && x > -XCMS_X6_UNDERFLOWS) {
+	retval = _XcmsSquareRoot (1.0 - (x * x));
+    } else {
+	y = x / XCMS_FOURTHPI;
+	yt2 = y * y;
+	retval = _XcmsPolynomial (3, cos_pcoeffs, yt2) / _XcmsPolynomial (3, cos_qcoeffs, yt2);
+    }
+    return (retval);
+}
+
+
+/*
+ *  FUNCTION
+ *
+ *	_XcmsModulo   double precision modulo
+ *
+ *  KEY WORDS
+ *
+ *	_XcmsModulo
+ *	machine independent routines
+ *	math libraries
+ *
+ *  DESCRIPTION
+ *
+ *	Returns double precision modulo of two double
+ *	precision arguments.
+ *
+ *  USAGE
+ *
+ *	double _XcmsModulo (value, base)
+ *	double value;
+ *	double base;
+ *
+ *  PROGRAMMER
+ *
+ *	Fred Fish
+ *
+ */
+static double _XcmsModulo(double value, double base)
+{
+    auto double intpart;
+
+    value /= base;
+    value = _XcmsModuloF (value, &intpart);
+    value *= base;
+    return(value);
+}
+
+
+/*
+ * frac = (double) _XcmsModuloF(double val, double *dp)
+ *	return fractional part of 'val'
+ *	set *dp to integer part of 'val'
+ *
+ * Note  -> only compiled for the CA or KA.  For the KB/MC,
+ * "math.c" instantiates a copy of the inline function
+ * defined in "math.h".
+ */
+static double
+_XcmsModuloF(
+    double val,
+    register double *dp)
+{
+	register double abs;
+	/*
+	 * Don't use a register for this.  The extra precision this results
+	 * in on some systems causes problems.
+	 */
+	double ip;
+
+	/* should check for illegal values here - nan, inf, etc */
+	abs = XCMS_FABS(val);
+	if (abs >= XCMS_DMAXPOWTWO) {
+		ip = val;
+	} else {
+		ip = abs + XCMS_DMAXPOWTWO;	/* dump fraction */
+		ip -= XCMS_DMAXPOWTWO;	/* restore w/o frac */
+		if (ip > abs)		/* if it rounds up */
+			ip -= 1.0;	/* fix it */
+		ip = XCMS_FABS(ip);
+	}
+	*dp = ip;
+	return (val - ip); /* signed fractional part */
+}
+
+
+/*
+ *  FUNCTION
+ *
+ *	_XcmsPolynomial   double precision polynomial evaluation
+ *
+ *  KEY WORDS
+ *
+ *	poly
+ *	machine independent routines
+ *	math libraries
+ *
+ *  DESCRIPTION
+ *
+ *	Evaluates a polynomial and returns double precision
+ *	result.  Is passed a the order of the polynomial,
+ *	a pointer to an array of double precision polynomial
+ *	coefficients (in ascending order), and the independent
+ *	variable.
+ *
+ *  USAGE
+ *
+ *	double _XcmsPolynomial (order, coeffs, x)
+ *	int order;
+ *	double *coeffs;
+ *	double x;
+ *
+ *  PROGRAMMER
+ *
+ *	Fred Fish
+ *
+ *  INTERNALS
+ *
+ *	Evalates the polynomial using recursion and the form:
+ *
+ *		P(x) = P0 + x(P1 + x(P2 +...x(Pn)))
+ *
+ */
+
+static double _XcmsPolynomial(
+    register int order,
+    double const *coeffs,
+    double x)
+{
+    auto double rtn_value;
+
+    coeffs += order;
+    rtn_value = *coeffs--;
+    while(order-- > 0)
+	rtn_value = *coeffs-- + (x * rtn_value);
+
+    return(rtn_value);
+}
+
+
+/*
+ *  FUNCTION
+ *
+ *	_XcmsSine	double precision sine
+ *
+ *  KEY WORDS
+ *
+ *	sin
+ *	machine independent routines
+ *	trigonometric functions
+ *	math libraries
+ *
+ *  DESCRIPTION
+ *
+ *	Returns double precision sine of double precision
+ *	floating point argument.
+ *
+ *  USAGE
+ *
+ *	double _XcmsSine (x)
+ *	double x;
+ *
+ *  REFERENCES
+ *
+ *	Computer Approximations, J.F. Hart et al, John Wiley & Sons,
+ *	1968, pp. 112-120.
+ *
+ *  RESTRICTIONS
+ *
+ *	The sin and cos routines are interactive in the sense that
+ *	in the process of reducing the argument to the range -PI/4
+ *	to PI/4, each may call the other.  Ultimately one or the
+ *	other uses a polynomial approximation on the reduced
+ *	argument.  The sin approximation has a maximum relative error
+ *	of 10**(-17.59) and the cos approximation has a maximum
+ *	relative error of 10**(-16.18).
+ *
+ *	These error bounds assume exact arithmetic
+ *	in the polynomial evaluation.  Additional rounding and
+ *	truncation errors may occur as the argument is reduced
+ *	to the range over which the polynomial approximation
+ *	is valid, and as the polynomial is evaluated using
+ *	finite-precision arithmetic.
+ *
+ *  PROGRAMMER
+ *
+ *	Fred Fish
+ *
+ *  INTERNALS
+ *
+ *	Computes sin(x) from:
+ *
+ *	  (1)	Reduce argument x to range -PI to PI.
+ *
+ *	  (2)	If x > PI/2 then call sin recursively
+ *		using relation sin(x) = -sin(x - PI).
+ *
+ *	  (3)	If x < -PI/2 then call sin recursively
+ *		using relation sin(x) = -sin(x + PI).
+ *
+ *	  (4)	If x > PI/4 then call cos using
+ *		relation sin(x) = cos(PI/2 - x).
+ *
+ *	  (5)	If x < -PI/4 then call cos using
+ *		relation sin(x) = -cos(PI/2 + x).
+ *
+ *	  (6)	If x is small enough that polynomial
+ *		evaluation would cause underflow
+ *		then return x, since sin(x)
+ *		approaches x as x approaches zero.
+ *
+ *	  (7)	By now x has been reduced to range
+ *		-PI/4 to PI/4 and the approximation
+ *		from HART pg. 118 can be used:
+ *
+ *		sin(x) = y * ( p(y) / q(y) )
+ *		Where:
+ *
+ *		y    =  x * (4/PI)
+ *
+ *		p(y) =  SUM [ Pj * (y**(2*j)) ]
+ *		over j = {0,1,2,3}
+ *
+ *		q(y) =  SUM [ Qj * (y**(2*j)) ]
+ *		over j = {0,1,2,3}
+ *
+ *		P0   =  0.206643433369958582409167054e+7
+ *		P1   =  -0.18160398797407332550219213e+6
+ *		P2   =  0.359993069496361883172836e+4
+ *		P3   =  -0.2010748329458861571949e+2
+ *		Q0   =  0.263106591026476989637710307e+7
+ *		Q1   =  0.3927024277464900030883986e+5
+ *		Q2   =  0.27811919481083844087953e+3
+ *		Q3   =  1.0000...
+ *		(coefficients from HART table #3063 pg 234)
+ *
+ *
+ *	**** NOTE ****	  The range reduction relations used in
+ *	this routine depend on the final approximation being valid
+ *	over the negative argument range in addition to the positive
+ *	argument range.  The particular approximation chosen from
+ *	HART satisfies this requirement, although not explicitly
+ *	stated in the text.  This may not be true of other
+ *	approximations given in the reference.
+ *
+ */
+
+double
+_XcmsSine (double x)
+{
+    double y;
+    double yt2;
+    double retval;
+
+    if (x < -XCMS_PI || x > XCMS_PI) {
+	x = _XcmsModulo (x, XCMS_TWOPI);
+	if (x > XCMS_PI) {
+	    x = x - XCMS_TWOPI;
+	} else if (x < -XCMS_PI) {
+	    x = x + XCMS_TWOPI;
+	}
+    }
+    if (x > XCMS_HALFPI) {
+	retval = -(_XcmsSine (x - XCMS_PI));
+    } else if (x < -XCMS_HALFPI) {
+	retval = -(_XcmsSine (x + XCMS_PI));
+    } else if (x > XCMS_FOURTHPI) {
+	retval = _XcmsCosine (XCMS_HALFPI - x);
+    } else if (x < -XCMS_FOURTHPI) {
+	retval = -(_XcmsCosine (XCMS_HALFPI + x));
+    } else if (x < XCMS_X6_UNDERFLOWS && x > -XCMS_X6_UNDERFLOWS) {
+	retval = x;
+    } else {
+	y = x / XCMS_FOURTHPI;
+	yt2 = y * y;
+	retval = y * (_XcmsPolynomial (3, sin_pcoeffs, yt2) / _XcmsPolynomial(3, sin_qcoeffs, yt2));
+    }
+    return(retval);
+}
+
+
+/*
+ *	NAME
+ *		_XcmsArcTangent
+ *
+ *	SYNOPSIS
+ */
+double
+_XcmsArcTangent(double x)
+/*
+ *	DESCRIPTION
+ *		Computes the arctangent.
+ *		This is an implementation of the Gauss algorithm as
+ *		described in:
+ *		    Forman S. Acton, Numerical Methods That Work,
+ *			New York, NY, Harper & Row, 1970.
+ *
+ *	RETURNS
+ *		Returns the arctangent
+ */
+{
+    double ai, a1 = 0.0, bi, b1 = 0.0, l, d;
+    double maxerror;
+    int i;
+
+    if (x == 0.0)  {
+	return (0.0);
+    }
+    if (x < 1.0) {
+	maxerror = x * XCMS_MAXERROR;
+    } else {
+	maxerror = XCMS_MAXERROR;
+    }
+    ai = _XcmsSquareRoot( 1.0 / (1.0 + (x * x)) );
+    bi = 1.0;
+    for (i = 0; i < XCMS_MAXITER; i++) {
+	a1 = (ai + bi) / 2.0;
+	b1 = _XcmsSquareRoot((a1 * bi));
+	if (a1 == b1)
+	    break;
+	d = XCMS_FABS(a1 - b1);
+	if (d < maxerror)
+	    break;
+	ai = a1;
+	bi = b1;
+    }
+
+    l = ((a1 > b1) ? b1 : a1);
+
+    a1 = _XcmsSquareRoot(1 + (x * x));
+    return (x / (a1 * l));
+}
diff --git a/nx-X11/lib/src/xcms/uvY.c b/nx-X11/lib/src/xcms/uvY.c
new file mode 100644
index 000000000..19e6c5232
--- /dev/null
+++ b/nx-X11/lib/src/xcms/uvY.c
@@ -0,0 +1,423 @@
+
+/*
+ * 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
+ *		CIEuvy.c
+ *
+ *	DESCRIPTION
+ *		This file contains routines that support the CIE u'v'Y
+ *		color space to include conversions to and from the CIE
+ *		XYZ space.
+ *
+ *	DOCUMENTATION
+ *		"TekColor Color Management System, System Implementor's Manual"
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <nx-X11/Xos.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+#include <stdio.h>
+
+/*
+ *	FORWARD DECLARATIONS
+ */
+static int CIEuvY_ParseString(register char *spec, XcmsColor *pColor);
+
+/*
+ *	DEFINES
+ *		Internal definitions that need NOT be exported to any package
+ *		or program using this package.
+ */
+#ifdef DBL_EPSILON
+#  define XMY_DBL_EPSILON DBL_EPSILON
+#else
+#  define XMY_DBL_EPSILON 0.00001
+#endif
+
+
+/*
+ *	LOCAL VARIABLES
+ */
+
+    /*
+     * NULL terminated list of functions applied to get from CIEuvY to CIEXYZ
+     */
+static XcmsConversionProc Fl_CIEuvY_to_CIEXYZ[] = {
+    XcmsCIEuvYToCIEXYZ,
+    NULL
+};
+
+    /*
+     * NULL terminated list of functions applied to get from CIEXYZ to CIEuvY
+     */
+static XcmsConversionProc Fl_CIEXYZ_to_CIEuvY[] = {
+    XcmsCIEXYZToCIEuvY,
+    NULL
+};
+
+
+/*
+ *	GLOBALS
+ */
+
+    /*
+     * CIE uvY Color Space
+     */
+XcmsColorSpace	XcmsCIEuvYColorSpace =
+    {
+	_XcmsCIEuvY_prefix,		/* prefix */
+	XcmsCIEuvYFormat,		/* id */
+	CIEuvY_ParseString,	/* parseString */
+	Fl_CIEuvY_to_CIEXYZ,	/* to_CIEXYZ */
+	Fl_CIEXYZ_to_CIEuvY,	/* from_CIEXYZ */
+	1
+    };
+
+
+
+/************************************************************************
+ *									*
+ *			 PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		CIEuvY_ParseString
+ *
+ *	SYNOPSIS
+ */
+static int
+CIEuvY_ParseString(
+    register char *spec,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		This routines takes a string and attempts to convert
+ *		it into a XcmsColor structure with XcmsCIEuvYFormat.
+ *		The assumed CIEuvY string syntax is:
+ *		    CIEuvY:<u>/<v>/<Y>
+ *		Where u, v, and Y are in string input format for floats
+ *		consisting of:
+ *		    a. an optional sign
+ *		    b. a string of numbers possibly containing a decimal point,
+ *		    c. an optional exponent field containing an 'E' or 'e'
+ *			followed by a possibly signed integer string.
+ *
+ *	RETURNS
+ *		0 if failed, non-zero otherwise.
+ */
+{
+    size_t n;
+    char *pchar;
+
+    if ((pchar = strchr(spec, ':')) == NULL) {
+	return(XcmsFailure);
+    }
+    n = (size_t)(pchar - spec);
+
+    /*
+     * Check for proper prefix.
+     */
+    if (strncmp(spec, _XcmsCIEuvY_prefix, n) != 0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Attempt to parse the value portion.
+     */
+    if (sscanf(spec + n + 1, "%lf/%lf/%lf",
+	    &pColor->spec.CIEuvY.u_prime,
+	    &pColor->spec.CIEuvY.v_prime,
+	    &pColor->spec.CIEuvY.Y) != 3) {
+        char *s; /* Maybe failed due to locale */
+        int f;
+        if ((s = strdup(spec))) {
+            for (f = 0; s[f]; ++f)
+                if (s[f] == '.')
+                    s[f] = ',';
+                else if (s[f] == ',')
+                    s[f] = '.';
+	    if (sscanf(s + n + 1, "%lf/%lf/%lf",
+		       &pColor->spec.CIEuvY.u_prime,
+		       &pColor->spec.CIEuvY.v_prime,
+		       &pColor->spec.CIEuvY.Y) != 3) {
+                free(s);
+                return(XcmsFailure);
+            }
+            free(s);
+        } else
+	    return(XcmsFailure);
+    }
+    pColor->format = XcmsCIEuvYFormat;
+    pColor->pixel = 0;
+    return(_XcmsCIEuvY_ValidSpec(pColor));
+}
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIEuvY_ValidSpec
+ *
+ *	SYNOPSIS
+ */
+Status
+_XcmsCIEuvY_ValidSpec(
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Checks if color specification valid for CIE u'v'Y.
+ *
+ *	RETURNS
+ *		XcmsFailure if invalid,
+ *		XcmsSuccess if valid.
+ *
+ */
+{
+    if (pColor->format != XcmsCIEuvYFormat
+	    ||
+	    (pColor->spec.CIEuvY.Y < 0.0 - XMY_DBL_EPSILON)
+	    ||
+	    (pColor->spec.CIEuvY.Y > 1.0 + XMY_DBL_EPSILON)) {
+	return(XcmsFailure);
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsCIEuvYToCIEXYZ - convert CIEuvY to CIEXYZ
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIEuvYToCIEXYZ(
+    XcmsCCC ccc,
+    XcmsColor *puvY_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from CIEuvY format to CIEXYZ format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    XcmsCIEXYZ XYZ_return;
+    XcmsColor whitePt;
+    unsigned int i;
+    XcmsColor *pColor = pColors_in_out;
+    XcmsFloat div, x, y, z, Y;
+
+    /*
+     * Check arguments
+     *	Postpone checking puvY_WhitePt until it is actually needed
+     *	otherwise converting between XYZ and uvY will fail.
+     */
+    if (pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+
+    /*
+     * Now convert each XcmsColor structure to CIEXYZ form
+     */
+    for (i = 0; i < nColors; i++, pColor++) {
+
+	/* Make sure original format is CIEuvY */
+	if (!_XcmsCIEuvY_ValidSpec(pColor)) {
+	    return(XcmsFailure);
+	}
+
+	/*
+	 * Convert to CIEXYZ
+	 */
+
+	Y = pColor->spec.CIEuvY.Y;
+
+	/* Convert color u'v' to xyz space */
+	div = (6.0 * pColor->spec.CIEuvY.u_prime) - (16.0 * pColor->spec.CIEuvY.v_prime) + 12.0;
+	if (div == 0.0) {
+	    /* use white point since div == 0 */
+	    if (puvY_WhitePt == NULL ) {
+		return(XcmsFailure);
+	    }
+	    /*
+	     * Make sure white point is in CIEuvY form
+	     */
+	    if (puvY_WhitePt->format != XcmsCIEuvYFormat) {
+		/* Make copy of the white point because we're going to modify it */
+		memcpy((char *)&whitePt, (char *)puvY_WhitePt, sizeof(XcmsColor));
+		if (!_XcmsDIConvertColors(ccc, &whitePt, (XcmsColor *)NULL, 1,
+			XcmsCIEuvYFormat)) {
+		    return(XcmsFailure);
+		}
+		puvY_WhitePt = &whitePt;
+	    }
+	    /* Make sure it is a white point, i.e., Y == 1.0 */
+	    if (puvY_WhitePt->spec.CIEuvY.Y != 1.0) {
+		return(XcmsFailure);
+	    }
+	    div = (6.0 * puvY_WhitePt->spec.CIEuvY.u_prime) -
+		    (16.0 * puvY_WhitePt->spec.CIEuvY.v_prime) + 12.0;
+	    if (div == 0) {
+		/* internal error */
+		return(XcmsFailure);
+	    }
+	    x = 9.0 * puvY_WhitePt->spec.CIEuvY.u_prime / div;
+	    y = 4.0 * puvY_WhitePt->spec.CIEuvY.v_prime / div;
+	} else {
+	    x = 9.0 * pColor->spec.CIEuvY.u_prime / div;
+	    y = 4.0 * pColor->spec.CIEuvY.v_prime / div;
+	}
+	z = 1.0 - x - y;
+
+	/* Convert from xyz to XYZ */
+	/* Conversion uses color normalized lightness based on Y */
+	if (y != 0.0) {
+	    XYZ_return.X = x * Y / y;
+	} else {
+	    XYZ_return.X = x;
+	}
+	XYZ_return.Y = Y;
+	if (y != 0.0) {
+	    XYZ_return.Z = z * Y / y;
+	} else {
+	    XYZ_return.Z = z;
+	}
+
+	memcpy((char *)&pColor->spec.CIEXYZ, (char *)&XYZ_return, sizeof(XcmsCIEXYZ));
+	/* Identify that format is now CIEXYZ */
+	pColor->format = XcmsCIEXYZFormat;
+    }
+
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsCIEXYZToCIEuvY - convert CIEXYZ to CIEuvY
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIEXYZToCIEuvY(
+    XcmsCCC ccc,
+    XcmsColor *puvY_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from CIEXYZ format to CIEuvY format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    XcmsCIEuvY uvY_return;
+    XcmsColor whitePt;
+    unsigned int i;
+    XcmsColor *pColor = pColors_in_out;
+    XcmsFloat div;
+
+    /*
+     * Check arguments
+     *	Postpone checking puvY_WhitePt until it is actually needed
+     *	otherwise converting between XYZ and uvY will fail.
+     */
+    if (pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Now convert each XcmsColor structure to CIEuvY form
+     */
+    for (i = 0; i < nColors; i++, pColor++) {
+
+	/* Make sure original format is CIEXYZ */
+	if (!_XcmsCIEXYZ_ValidSpec(pColor)) {
+	    return(XcmsFailure);
+	}
+
+	/* Convert to CIEuvY */
+	div = pColor->spec.CIEXYZ.X + (15.0 * pColor->spec.CIEXYZ.Y) +
+		(3.0 * pColor->spec.CIEXYZ.Z);
+	if (div == 0.0) {
+	    /* Use white point since div == 0.0 */
+	    if (puvY_WhitePt == NULL ) {
+		return(XcmsFailure);
+	    }
+	    /*
+	     * Make sure white point is in CIEuvY form
+	     */
+	    if (puvY_WhitePt->format != XcmsCIEuvYFormat) {
+		/* Make copy of the white point because we're going to modify it */
+		memcpy((char *)&whitePt, (char *)puvY_WhitePt, sizeof(XcmsColor));
+		if (!_XcmsDIConvertColors(ccc, &whitePt, (XcmsColor *)NULL, 1,
+			XcmsCIEuvYFormat)) {
+		    return(XcmsFailure);
+		}
+		puvY_WhitePt = &whitePt;
+	    }
+	    /* Make sure it is a white point, i.e., Y == 1.0 */
+	    if (puvY_WhitePt->spec.CIEuvY.Y != 1.0) {
+		return(XcmsFailure);
+	    }
+	    uvY_return.Y = pColor->spec.CIEXYZ.Y;
+	    uvY_return.u_prime = puvY_WhitePt->spec.CIEuvY.u_prime;
+	    uvY_return.v_prime = puvY_WhitePt->spec.CIEuvY.v_prime;
+	} else {
+	    uvY_return.u_prime = 4.0 * pColor->spec.CIEXYZ.X / div;
+	    uvY_return.v_prime = 9.0 * pColor->spec.CIEXYZ.Y / div;
+	    uvY_return.Y = pColor->spec.CIEXYZ.Y;
+	}
+
+	memcpy((char *)&pColor->spec.CIEuvY, (char *)&uvY_return, sizeof(XcmsCIEuvY));
+	/* Identify that format is now CIEuvY */
+	pColor->format = XcmsCIEuvYFormat;
+    }
+
+    return(XcmsSuccess);
+}
diff --git a/nx-X11/lib/src/xcms/xyY.c b/nx-X11/lib/src/xcms/xyY.c
new file mode 100644
index 000000000..e85b8d249
--- /dev/null
+++ b/nx-X11/lib/src/xcms/xyY.c
@@ -0,0 +1,395 @@
+
+/*
+ * 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
+ *		CIExyY.c
+ *
+ *	DESCRIPTION
+ *		This file contains routines that support the CIE xyY
+ *		color space to include conversions to and from the CIE
+ *		XYZ space.
+ *
+ *	DOCUMENTATION
+ *		"TekColor Color Management System, System Implementor's Manual"
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <nx-X11/Xos.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define EPS 0.00001	/* some extremely small number */
+#ifdef DBL_EPSILON
+#  define XMY_DBL_EPSILON DBL_EPSILON
+#else
+#  define XMY_DBL_EPSILON 0.00001
+#endif
+
+/*
+ *	FORWARD DECLARATIONS
+ */
+
+static int CIExyY_ParseString(register char *spec, XcmsColor *pColor);
+static Status XcmsCIExyY_ValidSpec(XcmsColor *pColor);
+
+
+/*
+ *	LOCAL VARIABLES
+ */
+
+    /*
+     * NULL terminated list of functions applied to get from CIExyY to CIEXYZ
+     */
+static XcmsConversionProc Fl_CIExyY_to_CIEXYZ[] = {
+    XcmsCIExyYToCIEXYZ,
+    NULL
+};
+
+    /*
+     * NULL terminated list of functions applied to get from CIEXYZ to CIExyY
+     */
+static XcmsConversionProc Fl_CIEXYZ_to_CIExyY[] = {
+    XcmsCIEXYZToCIExyY,
+    NULL
+};
+
+
+/*
+ *	GLOBALS
+ */
+
+    /*
+     * CIE xyY Color Space
+     */
+XcmsColorSpace	XcmsCIExyYColorSpace =
+    {
+	_XcmsCIExyY_prefix,	/* prefix */
+	XcmsCIExyYFormat,		/* id */
+	CIExyY_ParseString,	/* parseString */
+	Fl_CIExyY_to_CIEXYZ,	/* to_CIEXYZ */
+	Fl_CIEXYZ_to_CIExyY,	/* from_CIEXYZ */
+	1
+    };
+
+
+
+/************************************************************************
+ *									*
+ *			 PRIVATE ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		CIExyY_ParseString
+ *
+ *	SYNOPSIS
+ */
+static int
+CIExyY_ParseString(
+    register char *spec,
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		This routines takes a string and attempts to convert
+ *		it into a XcmsColor structure with XcmsCIExyYFormat.
+ *		The assumed CIExyY string syntax is:
+ *		    CIExyY:<x>/<y>/<Y>
+ *		Where x, y, and Y are in string input format for floats
+ *		consisting of:
+ *		    a. an optional sign
+ *		    b. a string of numbers possibly containing a decimal point,
+ *		    c. an optional exponent field containing an 'E' or 'e'
+ *			followed by a possibly signed integer string.
+ *
+ *	RETURNS
+ *		0 if failed, non-zero otherwise.
+ */
+{
+    int n;
+    char *pchar;
+
+    if ((pchar = strchr(spec, ':')) == NULL) {
+	return(XcmsFailure);
+    }
+    n = (int)(pchar - spec);
+
+    /*
+     * Check for proper prefix.
+     */
+    if (strncmp(spec, _XcmsCIExyY_prefix, n) != 0) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Attempt to parse the value portion.
+     */
+    if (sscanf(spec + n + 1, "%lf/%lf/%lf",
+	    &pColor->spec.CIExyY.x,
+	    &pColor->spec.CIExyY.y,
+	    &pColor->spec.CIExyY.Y) != 3) {
+        char *s; /* Maybe failed due to locale */
+        int f;
+        if ((s = strdup(spec))) {
+            for (f = 0; s[f]; ++f)
+                if (s[f] == '.')
+                    s[f] = ',';
+                else if (s[f] == ',')
+                    s[f] = '.';
+	    if (sscanf(s + n + 1, "%lf/%lf/%lf",
+		       &pColor->spec.CIExyY.x,
+		       &pColor->spec.CIExyY.y,
+		       &pColor->spec.CIExyY.Y) != 3) {
+                free(s);
+                return(XcmsFailure);
+            }
+            free(s);
+        } else
+	    return(XcmsFailure);
+    }
+    pColor->format = XcmsCIExyYFormat;
+    pColor->pixel = 0;
+    return(XcmsCIExyY_ValidSpec(pColor));
+}
+
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		CIExyY_ValidSpec()
+ *
+ *	SYNOPSIS
+ */
+static Status
+XcmsCIExyY_ValidSpec(
+    XcmsColor *pColor)
+/*
+ *	DESCRIPTION
+ *		Checks a valid CIExyY color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure if invalid.
+ *		XcmsSuccess if valid.
+ *
+ */
+{
+    if (pColor->format != XcmsCIExyYFormat
+	    ||
+	    (pColor->spec.CIExyY.x < 0.0 - XMY_DBL_EPSILON)
+	    ||
+	    (pColor->spec.CIExyY.x > 1.0 + XMY_DBL_EPSILON)
+	    ||
+	    (pColor->spec.CIExyY.y < 0.0 - XMY_DBL_EPSILON)
+	    ||
+	    (pColor->spec.CIExyY.y > 1.0 + XMY_DBL_EPSILON)
+	    ||
+	    (pColor->spec.CIExyY.Y < 0.0 - XMY_DBL_EPSILON)
+	    ||
+	    (pColor->spec.CIExyY.Y > 1.0 + XMY_DBL_EPSILON)) {
+	return(XcmsFailure);
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsCIExyYToCIEXYZ - convert CIExyY to CIEXYZ
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIExyYToCIEXYZ(
+    XcmsCCC ccc,
+    XcmsColor *pxyY_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from CIExyY format to CIEXYZ format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ */
+{
+    XcmsColor	*pColor = pColors_in_out;
+    XcmsColor	whitePt;
+    XcmsCIEXYZ	XYZ_return;
+    XcmsFloat	div;		/* temporary storage in case divisor is zero */
+    XcmsFloat	u, v, x, y, z;	/* temporary storage */
+    unsigned int i;
+
+    /*
+     * Check arguments
+     */
+    if (pxyY_WhitePt == NULL || pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+
+    /*
+     * Now convert each XcmsColor structure to CIEXYZ form
+     */
+    for (i = 0; i < nColors; i++, pColor++) {
+	/* Make sure original format is CIExyY and valid */
+	if (!XcmsCIExyY_ValidSpec(pColor)) {
+	    return(XcmsFailure);
+	}
+
+	if ((div = (-2 * pColor->spec.CIExyY.x) + (12 * pColor->spec.CIExyY.y) + 3) == 0.0) {
+	    /* Note that the divisor is zero */
+	    /* This return is abitrary. */
+	    XYZ_return.X = 0;
+	    XYZ_return.Y = 0;
+	    XYZ_return.Z = 0;
+	} else {
+	    /*
+	     * Make sure white point is in CIEXYZ form
+	     */
+	    if (pxyY_WhitePt->format != XcmsCIEXYZFormat) {
+		/* Make copy of the white point because we're going to modify it */
+		memcpy((char *)&whitePt, (char *)pxyY_WhitePt, sizeof(XcmsColor));
+		if (!_XcmsDIConvertColors(ccc, &whitePt, (XcmsColor *)NULL, 1,
+			XcmsCIEXYZFormat)) {
+		    return(XcmsFailure);
+		}
+		pxyY_WhitePt = &whitePt;
+	    }
+
+	    /* Make sure it is a white point, i.e., Y == 1.0 */
+	    if (pxyY_WhitePt->spec.CIEXYZ.Y != 1.0) {
+		return(XcmsFailure);
+	    }
+
+	    /* Convert from xyY to uvY to XYZ */
+	    u = (4 * pColor->spec.CIExyY.x) / div;
+	    v = (9 * pColor->spec.CIExyY.y) / div;
+	    div = (6.0 * u) - (16.0 * v) + 12.0;
+	    if (div == 0.0) {
+		/* Note that the divisor is zero */
+		/* This return is abitrary. */
+		if ((div = (6.0 * whitePt.spec.CIEuvY.u_prime) -
+		           (16.0 * whitePt.spec.CIEuvY.v_prime) + 12.0) == 0.0) {
+		    div = EPS;
+		}
+		x = 9.0 * whitePt.spec.CIEuvY.u_prime / div;
+		y = 4.0 * whitePt.spec.CIEuvY.u_prime / div;
+	    } else {
+		/* convert u, v to small xyz */
+		x = 9.0 * u / div;
+		y = 4.0 * v / div;
+	    }
+	    z = 1.0 - x - y;
+	    if (y == 0.0) y = EPS;	/* Have to worry about divide by 0 */
+	    XYZ_return.Y = pColor->spec.CIExyY.Y;
+	    XYZ_return.X = x * XYZ_return.Y / y;
+	    XYZ_return.Z = z * XYZ_return.Y / y;
+	}
+
+	/* Copy result to pColor */
+	memcpy ((char *)&pColor->spec, (char *)&XYZ_return, sizeof(XcmsCIEXYZ));
+
+	/* Identify that the format is now CIEXYZ */
+	pColor->format = XcmsCIEXYZFormat;
+    }
+    return(XcmsSuccess);
+}
+
+
+/*
+ *	NAME
+ *		XcmsCIEXYZToCIExyY - convert CIEXYZ to CIExyY
+ *
+ *	SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsCIEXYZToCIExyY(
+    XcmsCCC ccc,
+    XcmsColor *pxyY_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
+/*
+ *	DESCRIPTION
+ *		Converts color specifications in an array of XcmsColor
+ *		structures from CIEXYZ format to CIExyY format.
+ *
+ *	RETURNS
+ *		XcmsFailure if failed,
+ *		XcmsSuccess if succeeded.
+ *
+ */
+{
+    XcmsColor	*pColor = pColors_in_out;
+    XcmsCIExyY	xyY_return;
+    XcmsFloat	div;		/* temporary storage in case divisor is zero */
+    unsigned int i;
+
+    /*
+     * Check arguments
+     * 		pxyY_WhitePt ignored
+     */
+    if (pColors_in_out == NULL) {
+	return(XcmsFailure);
+    }
+
+    /*
+     * Now convert each XcmsColor structure to CIEXYZ form
+     */
+    for (i = 0; i < nColors; i++, pColor++) {
+
+	if (!_XcmsCIEXYZ_ValidSpec(pColor)) {
+	    return(XcmsFailure);
+	}
+	/* Now convert for XYZ to xyY */
+	if ((div = pColor->spec.CIEXYZ.X + pColor->spec.CIEXYZ.Y + pColor->spec.CIEXYZ.Z) == 0.0) {
+	    div = EPS;
+	}
+	xyY_return.x = pColor->spec.CIEXYZ.X / div;
+	xyY_return.y = pColor->spec.CIEXYZ.Y / div;
+	xyY_return.Y = pColor->spec.CIEXYZ.Y;
+
+	/* Copy result to pColor */
+	memcpy ((char *)&pColor->spec, (char *)&xyY_return, sizeof(XcmsCIExyY));
+
+	/* Identify that the format is now CIEXYZ */
+	pColor->format = XcmsCIExyYFormat;
+    }
+    return(XcmsSuccess);
+}