libX11 git update 14/6/2010

1 files changed, 1847 insertions, 1847 deletions

diff --git a/libX11/src/xcms/LRGB.c b/libX11/src/xcms/LRGB.c
index 4e9f029e4..7e09db00a 100644
--- a/libX11/src/xcms/LRGB.c
+++ b/libX11/src/xcms/LRGB.c
@@ -1,1847 +1,1847 @@
-
-/*
- * 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 <X11/Xos.h>
-#include <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 ((char *)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)) {
-	Xfree ((char *)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) {
-		Xfree ((char *)property_return);
-		goto FreeSCCData;
-	    }
-	    count = 3;
-	    break;
-	  case 16:
-	    /*
-	     * Must have at least:
-	     *		VisualID0
-	     *		VisualID3
-	     *		type
-	     *		count
-	     *		length
-	     *		intensity1
-	     *		intensity2
-	     */
-	    if (nitems < 7) {
-		Xfree ((char *)property_return);
-		goto FreeSCCData;
-	    }
-	    count = 1;
-	    break;
-	  case 32:
-	    /*
-	     * Must have at least:
-	     *		VisualID0
-	     *		type
-	     *		count
-	     *		length
-	     *		intensity1
-	     *		intensity2
-	     */
-	    if (nitems < 6) {
-		Xfree ((char *)property_return);
-		goto FreeSCCData;
-	    }
-	    count = 0;
-	    break;
-	  default:
-	    Xfree ((char *)property_return);
-	    goto FreeSCCData;
-	}
-
-	/*
-	 * 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)))) {
-		return(XcmsFailure);
-	    }
-	    /* copy matrices */
-	    memcpy((char *)pScreenData, (char *)pScreenDefaultData,
-		   18 * sizeof(XcmsFloat));
-
-	    /* Create, initialize, and add map */
-	    if (!(pNewMap = (XcmsIntensityMap *)
-			      Xcalloc (1, sizeof(XcmsIntensityMap)))) {
-		Xfree((char *)pScreenData);
-		return(XcmsFailure);
-	    }
-	    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 FreeSCCData;
-	    }
-	    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 FreeSCCData;
-	    }
-	    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 FreeBlueTblElements;
-		}
-		if (_XcmsGetTableType1(pScreenData->pBlueTbl, format_return, &pChar,
-			&nitems) == XcmsFailure) {
-		    goto FreeBlueTbl;
-		}
-	    }
-	} else {
-	    Xfree ((char *)property_return);
-	    goto FreeSCCData;
-	}
-
-#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 ((char *)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);
-
-FreeBlueTblElements:
-    Xfree((char *)pScreenData->pBlueTbl->pBase);
-
-FreeBlueTbl:
-    Xfree((char *)pScreenData->pBlueTbl);
-
-FreeGreenTblElements:
-    Xfree((char *)pScreenData->pBlueTbl->pBase);
-
-FreeGreenTbl:
-    Xfree((char *)pScreenData->pGreenTbl);
-
-FreeRedTblElements:
-    Xfree((char *)pScreenData->pRedTbl->pBase);
-
-FreeRedTbl:
-    Xfree((char *)pScreenData->pRedTbl);
-
-FreeSCCData:
-    Xfree((char *)pScreenData);
-    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 ((char *)pScreenData->pGreenTbl->pBase);
-		    }
-		}
-		if (pScreenData->pGreenTbl != pScreenData->pRedTbl) {
-		    Xfree ((char *)pScreenData->pGreenTbl);
-		}
-	    }
-	    if (pScreenData->pBlueTbl) {
-		if (pScreenData->pRedTbl->pBase !=
-		    pScreenData->pBlueTbl->pBase) {
-		    if (pScreenData->pBlueTbl->pBase) {
-			Xfree ((char *)pScreenData->pBlueTbl->pBase);
-		    }
-		}
-		if (pScreenData->pBlueTbl != pScreenData->pRedTbl) {
-		    Xfree ((char *)pScreenData->pBlueTbl);
-		}
-	    }
-	    if (pScreenData->pRedTbl->pBase) {
-		Xfree ((char *)pScreenData->pRedTbl->pBase);
-	    }
-	    Xfree ((char *)pScreenData->pRedTbl);
-	}
-	Xfree ((char *)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.
- *
- */
-{
-    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.
- */
-{
-    int n;
-    char *pchar;
-
-    if ((pchar = strchr(spec, ':')) == NULL) {
-	return(XcmsFailure);
-    }
-    n = (int)(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);
-}
+

+/*

+ * 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 <X11/Xos.h>

+#include <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 ((char *)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)) {

+	Xfree ((char *)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) {

+		Xfree ((char *)property_return);

+		goto FreeSCCData;

+	    }

+	    count = 3;

+	    break;

+	  case 16:

+	    /*

+	     * Must have at least:

+	     *		VisualID0

+	     *		VisualID3

+	     *		type

+	     *		count

+	     *		length

+	     *		intensity1

+	     *		intensity2

+	     */

+	    if (nitems < 7) {

+		Xfree ((char *)property_return);

+		goto FreeSCCData;

+	    }

+	    count = 1;

+	    break;

+	  case 32:

+	    /*

+	     * Must have at least:

+	     *		VisualID0

+	     *		type

+	     *		count

+	     *		length

+	     *		intensity1

+	     *		intensity2

+	     */

+	    if (nitems < 6) {

+		Xfree ((char *)property_return);

+		goto FreeSCCData;

+	    }

+	    count = 0;

+	    break;

+	  default:

+	    Xfree ((char *)property_return);

+	    goto FreeSCCData;

+	}

+

+	/*

+	 * 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)))) {

+		return(XcmsFailure);

+	    }

+	    /* copy matrices */

+	    memcpy((char *)pScreenData, (char *)pScreenDefaultData,

+		   18 * sizeof(XcmsFloat));

+

+	    /* Create, initialize, and add map */

+	    if (!(pNewMap = (XcmsIntensityMap *)

+			      Xcalloc (1, sizeof(XcmsIntensityMap)))) {

+		Xfree((char *)pScreenData);

+		return(XcmsFailure);

+	    }

+	    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 FreeSCCData;

+	    }

+	    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 FreeSCCData;

+	    }

+	    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 {

+	    Xfree ((char *)property_return);

+	    goto FreeSCCData;

+	}

+

+#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 ((char *)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);

+

+FreeBlueTblElements:

+    Xfree((char *)pScreenData->pBlueTbl->pBase);

+

+FreeBlueTbl:

+    Xfree((char *)pScreenData->pBlueTbl);

+

+FreeGreenTblElements:

+    Xfree((char *)pScreenData->pBlueTbl->pBase);

+

+FreeGreenTbl:

+    Xfree((char *)pScreenData->pGreenTbl);

+

+FreeRedTblElements:

+    Xfree((char *)pScreenData->pRedTbl->pBase);

+

+FreeRedTbl:

+    Xfree((char *)pScreenData->pRedTbl);

+

+FreeSCCData:

+    Xfree((char *)pScreenData);

+    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 ((char *)pScreenData->pGreenTbl->pBase);

+		    }

+		}

+		if (pScreenData->pGreenTbl != pScreenData->pRedTbl) {

+		    Xfree ((char *)pScreenData->pGreenTbl);

+		}

+	    }

+	    if (pScreenData->pBlueTbl) {

+		if (pScreenData->pRedTbl->pBase !=

+		    pScreenData->pBlueTbl->pBase) {

+		    if (pScreenData->pBlueTbl->pBase) {

+			Xfree ((char *)pScreenData->pBlueTbl->pBase);

+		    }

+		}

+		if (pScreenData->pBlueTbl != pScreenData->pRedTbl) {

+		    Xfree ((char *)pScreenData->pBlueTbl);

+		}

+	    }

+	    if (pScreenData->pRedTbl->pBase) {

+		Xfree ((char *)pScreenData->pRedTbl->pBase);

+	    }

+	    Xfree ((char *)pScreenData->pRedTbl);

+	}

+	Xfree ((char *)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.

+ *

+ */

+{

+    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.

+ */

+{

+    int n;

+    char *pchar;

+

+    if ((pchar = strchr(spec, ':')) == NULL) {

+	return(XcmsFailure);

+    }

+    n = (int)(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);

+}