dos -> unix

1 files changed, 204 insertions, 204 deletions

diff --git a/libX11/src/xcms/LuvMxC.c b/libX11/src/xcms/LuvMxC.c
index be8bc4f70..a67251477 100644
--- a/libX11/src/xcms/LuvMxC.c
+++ b/libX11/src/xcms/LuvMxC.c
@@ -1,204 +1,204 @@
-

-/*

- * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.

- * 	All Rights Reserved

- *

- * This file is a component of an X Window System-specific implementation

- * of XCMS based on the TekColor Color Management System.  Permission is

- * hereby granted to use, copy, modify, sell, and otherwise distribute this

- * software and its documentation for any purpose and without fee, provided

- * that this copyright, permission, and disclaimer notice is reproduced in

- * all copies of this software and in supporting documentation.  TekColor

- * is a trademark of Tektronix, Inc.

- *

- * Tektronix makes no representation about the suitability of this software

- * for any purpose.  It is provided "as is" and with all faults.

- *

- * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,

- * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

- * PARTICULAR PURPOSE.  IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY

- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER

- * RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF

- * CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN

- * CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE.

- *

- *

- *

- *	NAME

- *		CIELuvMxC.c

- *

- *	DESCRIPTION

- *		Source for the XcmsCIELuvQueryMaxC() gamut boundary

- *		querying routine.

- *

- */

-

-#ifdef HAVE_CONFIG_H

-#include <config.h>

-#endif

-#include "Xlibint.h"

-#include "Xcmsint.h"

-#include <math.h>

-#include "Cv.h"

-

-/*

- *	DEFINES

- */

-#define MAXBISECTCOUNT	100

-#define EPS	        (XcmsFloat)0.001

-#define START_CHROMA	(XcmsFloat)2.2

-#define TOPL		(XcmsFloat)100.0

-

-

-/************************************************************************

- *									*

- *			 PUBLIC ROUTINES				*

- *									*

- ************************************************************************/

-

-/*

- *	NAME

- *		XcmsCIELuvQueryMaxC - max chroma for a hue_angle and L_star

- *

- *	SYNOPSIS

- */

-Status

-XcmsCIELuvQueryMaxC(

-    XcmsCCC ccc,

-    XcmsFloat hue_angle,	    /* hue angle in degrees */

-    XcmsFloat L_star,

-    XcmsColor *pColor_return)

-/*

- *	DESCRIPTION

- *		Return the maximum chroma for a specific hue_angle and L_star.

- *		The returned format is in XcmsCIELuvFormat.

- *

- *

- *	ASSUMPTIONS

- *		This routine assumes that the white point associated with

- *		the color specification is the Screen White Point.  The

- *		Screen White Point will also be associated with the

- *		returned color specification.

- *

- *	RETURNS

- *		XcmsFailure - Failure

- *              XcmsSuccess - Succeeded

- *

- */

-{

-    XcmsCCCRec	myCCC;

-    XcmsColor  tmp;

-    XcmsColor  max_lc;

-    XcmsFloat n_L_star, last_L_star, prev_L_star;

-    XcmsFloat hue, lastuStar, lastvStar, /*lastChroma,*/ maxDist, nT, rFactor;

-    XcmsRGBi   rgb_saved;

-    int nCount, nMaxCount;

-

-    /*

-     * Check Arguments

-     */

-    if (ccc == NULL || pColor_return == NULL) {

-	return(XcmsFailure);

-    }

-

-    /* Use my own CCC  and inherit screen white Pt */

-    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));

-    myCCC.clientWhitePt.format = XcmsUndefinedFormat;

-    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut comp func */

-

-    while (hue_angle < 0.0) {

-	hue_angle += 360.0;

-    }

-    while (hue_angle >= 360.0) {

-	hue_angle -= 360.0;

-    }

-

-    hue = radians(hue_angle);

-    tmp.spec.CIELuv.L_star = L_star;

-    tmp.spec.CIELuv.u_star = XCMS_CIEUSTAROFHUE(hue, START_CHROMA);

-    tmp.spec.CIELuv.v_star = XCMS_CIEVSTAROFHUE(hue, START_CHROMA);

-    tmp.pixel = pColor_return->pixel;

-    tmp.format = XcmsCIELuvFormat;

-

-    /* Step 1: compute the maximum L_star and chroma for this hue. */

-    memcpy((char *)&max_lc, (char *)&tmp, sizeof(XcmsColor));

-    if (_XcmsCIELuvQueryMaxLCRGB(&myCCC, hue, &max_lc, &rgb_saved)

-	== XcmsFailure) {

-	    return(XcmsFailure);

-    }

-

-    /*

-     * Step 2:  Do a bisection here to compute the maximum chroma

-     *          Note the differences between when the point to be found

-     *          is above the maximum LC point and when it is below.

-     */

-    if (L_star <= max_lc.spec.CIELuv.L_star) {

-	maxDist = max_lc.spec.CIELuv.L_star;

-    } else {

-	maxDist = TOPL - max_lc.spec.CIELuv.L_star;

-    }

-

-    n_L_star = L_star;

-    last_L_star = -1.0;

-    nMaxCount = MAXBISECTCOUNT;

-    rFactor = 1.0;

-

-    for (nCount = 0; nCount < nMaxCount; nCount++) {

-	prev_L_star =  last_L_star;

-	last_L_star =  tmp.spec.CIELuv.L_star;

-/*	lastChroma = XCMS_CIELUV_PMETRIC_CHROMA(tmp.spec.CIELuv.u_star,  */

-/*						tmp.spec.CIELuv.v_star); */

-	lastuStar = tmp.spec.CIELuv.u_star;

-	lastvStar = tmp.spec.CIELuv.v_star;

-	nT = (n_L_star - max_lc.spec.CIELuv.L_star) / maxDist * rFactor;

-        /* printf("(n_L_star, nT) = %lf %lf ", n_L_star, nT); */

-	if (nT > 0) {

-	    tmp.spec.RGBi.red = rgb_saved.red * (1.0 - nT) + nT;

-	    tmp.spec.RGBi.green = rgb_saved.green * (1.0 - nT) + nT;

-	    tmp.spec.RGBi.blue  = rgb_saved.blue * (1.0 - nT) + nT;

-	} else {

-	    tmp.spec.RGBi.red = rgb_saved.red + (rgb_saved.red * nT);

-	    tmp.spec.RGBi.green = rgb_saved.green + (rgb_saved.green * nT);

-	    tmp.spec.RGBi.blue = rgb_saved.blue + (rgb_saved.blue * nT);

-	}

-	tmp.format = XcmsRGBiFormat;

-

-	/* convert from RGB to CIELuv */

-	if (_XcmsConvertColorsWithWhitePt(&myCCC, &tmp,

-			    ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELuvFormat,

-			    (Bool *) NULL) == XcmsFailure) {

-	    return(XcmsFailure);

-	}

-

-	/*

-	 * Now check if we've reached the target L_star

-	 */

-	/* printf("result Lstar = %lf\n", tmp.spec.CIELuv.L_star); */

-	if (tmp.spec.CIELuv.L_star <= L_star + EPS &&

-	    tmp.spec.CIELuv.L_star >= L_star - EPS) {

-		memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));

-		return(XcmsSuccess);

-	}

-	if (nT > 0) {

-	    n_L_star += ((TOPL - n_L_star) *

-			 (L_star - tmp.spec.CIELuv.L_star)) / (TOPL - L_star);

-	} else {

-	    n_L_star *= L_star / tmp.spec.CIELuv.L_star;

-	}

-	if (tmp.spec.CIELuv.L_star <= prev_L_star + EPS &&

-	    tmp.spec.CIELuv.L_star >= prev_L_star - EPS) {

-		rFactor *= 0.5;  /* selective relaxation employed */

-		/* printf("rFactor = %lf\n", rFactor); */

-	}

-    }

-    if (XCMS_FABS(last_L_star - L_star) <

-	XCMS_FABS(tmp.spec.CIELuv.L_star - L_star)) {

-	    tmp.spec.CIELuv.u_star = lastuStar;

-	    tmp.spec.CIELuv.v_star = lastvStar;

-/*	    tmp.spec.CIELuv.u_star = XCMS_CIEUSTAROFHUE(hue, lastChroma); */

-/*	    tmp.spec.CIELuv.v_star = XCMS_CIEVSTAROFHUE(hue, lastChroma); */

-    }

-    tmp.spec.CIELuv.L_star = L_star;

-    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));

-    return(XcmsSuccess);

-}

+
+/*
+ * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
+ * 	All Rights Reserved
+ *
+ * This file is a component of an X Window System-specific implementation
+ * of XCMS based on the TekColor Color Management System.  Permission is
+ * hereby granted to use, copy, modify, sell, and otherwise distribute this
+ * software and its documentation for any purpose and without fee, provided
+ * that this copyright, permission, and disclaimer notice is reproduced in
+ * all copies of this software and in supporting documentation.  TekColor
+ * is a trademark of Tektronix, Inc.
+ *
+ * Tektronix makes no representation about the suitability of this software
+ * for any purpose.  It is provided "as is" and with all faults.
+ *
+ * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,
+ * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE.  IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE.
+ *
+ *
+ *
+ *	NAME
+ *		CIELuvMxC.c
+ *
+ *	DESCRIPTION
+ *		Source for the XcmsCIELuvQueryMaxC() gamut boundary
+ *		querying routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include <math.h>
+#include "Cv.h"
+
+/*
+ *	DEFINES
+ */
+#define MAXBISECTCOUNT	100
+#define EPS	        (XcmsFloat)0.001
+#define START_CHROMA	(XcmsFloat)2.2
+#define TOPL		(XcmsFloat)100.0
+
+
+/************************************************************************
+ *									*
+ *			 PUBLIC ROUTINES				*
+ *									*
+ ************************************************************************/
+
+/*
+ *	NAME
+ *		XcmsCIELuvQueryMaxC - max chroma for a hue_angle and L_star
+ *
+ *	SYNOPSIS
+ */
+Status
+XcmsCIELuvQueryMaxC(
+    XcmsCCC ccc,
+    XcmsFloat hue_angle,	    /* hue angle in degrees */
+    XcmsFloat L_star,
+    XcmsColor *pColor_return)
+/*
+ *	DESCRIPTION
+ *		Return the maximum chroma for a specific hue_angle and L_star.
+ *		The returned format is in XcmsCIELuvFormat.
+ *
+ *
+ *	ASSUMPTIONS
+ *		This routine assumes that the white point associated with
+ *		the color specification is the Screen White Point.  The
+ *		Screen White Point will also be associated with the
+ *		returned color specification.
+ *
+ *	RETURNS
+ *		XcmsFailure - Failure
+ *              XcmsSuccess - Succeeded
+ *
+ */
+{
+    XcmsCCCRec	myCCC;
+    XcmsColor  tmp;
+    XcmsColor  max_lc;
+    XcmsFloat n_L_star, last_L_star, prev_L_star;
+    XcmsFloat hue, lastuStar, lastvStar, /*lastChroma,*/ maxDist, nT, rFactor;
+    XcmsRGBi   rgb_saved;
+    int nCount, nMaxCount;
+
+    /*
+     * Check Arguments
+     */
+    if (ccc == NULL || pColor_return == NULL) {
+	return(XcmsFailure);
+    }
+
+    /* Use my own CCC  and inherit screen white Pt */
+    memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec));
+    myCCC.clientWhitePt.format = XcmsUndefinedFormat;
+    myCCC.gamutCompProc = (XcmsCompressionProc)NULL;/* no gamut comp func */
+
+    while (hue_angle < 0.0) {
+	hue_angle += 360.0;
+    }
+    while (hue_angle >= 360.0) {
+	hue_angle -= 360.0;
+    }
+
+    hue = radians(hue_angle);
+    tmp.spec.CIELuv.L_star = L_star;
+    tmp.spec.CIELuv.u_star = XCMS_CIEUSTAROFHUE(hue, START_CHROMA);
+    tmp.spec.CIELuv.v_star = XCMS_CIEVSTAROFHUE(hue, START_CHROMA);
+    tmp.pixel = pColor_return->pixel;
+    tmp.format = XcmsCIELuvFormat;
+
+    /* Step 1: compute the maximum L_star and chroma for this hue. */
+    memcpy((char *)&max_lc, (char *)&tmp, sizeof(XcmsColor));
+    if (_XcmsCIELuvQueryMaxLCRGB(&myCCC, hue, &max_lc, &rgb_saved)
+	== XcmsFailure) {
+	    return(XcmsFailure);
+    }
+
+    /*
+     * Step 2:  Do a bisection here to compute the maximum chroma
+     *          Note the differences between when the point to be found
+     *          is above the maximum LC point and when it is below.
+     */
+    if (L_star <= max_lc.spec.CIELuv.L_star) {
+	maxDist = max_lc.spec.CIELuv.L_star;
+    } else {
+	maxDist = TOPL - max_lc.spec.CIELuv.L_star;
+    }
+
+    n_L_star = L_star;
+    last_L_star = -1.0;
+    nMaxCount = MAXBISECTCOUNT;
+    rFactor = 1.0;
+
+    for (nCount = 0; nCount < nMaxCount; nCount++) {
+	prev_L_star =  last_L_star;
+	last_L_star =  tmp.spec.CIELuv.L_star;
+/*	lastChroma = XCMS_CIELUV_PMETRIC_CHROMA(tmp.spec.CIELuv.u_star,  */
+/*						tmp.spec.CIELuv.v_star); */
+	lastuStar = tmp.spec.CIELuv.u_star;
+	lastvStar = tmp.spec.CIELuv.v_star;
+	nT = (n_L_star - max_lc.spec.CIELuv.L_star) / maxDist * rFactor;
+        /* printf("(n_L_star, nT) = %lf %lf ", n_L_star, nT); */
+	if (nT > 0) {
+	    tmp.spec.RGBi.red = rgb_saved.red * (1.0 - nT) + nT;
+	    tmp.spec.RGBi.green = rgb_saved.green * (1.0 - nT) + nT;
+	    tmp.spec.RGBi.blue  = rgb_saved.blue * (1.0 - nT) + nT;
+	} else {
+	    tmp.spec.RGBi.red = rgb_saved.red + (rgb_saved.red * nT);
+	    tmp.spec.RGBi.green = rgb_saved.green + (rgb_saved.green * nT);
+	    tmp.spec.RGBi.blue = rgb_saved.blue + (rgb_saved.blue * nT);
+	}
+	tmp.format = XcmsRGBiFormat;
+
+	/* convert from RGB to CIELuv */
+	if (_XcmsConvertColorsWithWhitePt(&myCCC, &tmp,
+			    ScreenWhitePointOfCCC(&myCCC), 1, XcmsCIELuvFormat,
+			    (Bool *) NULL) == XcmsFailure) {
+	    return(XcmsFailure);
+	}
+
+	/*
+	 * Now check if we've reached the target L_star
+	 */
+	/* printf("result Lstar = %lf\n", tmp.spec.CIELuv.L_star); */
+	if (tmp.spec.CIELuv.L_star <= L_star + EPS &&
+	    tmp.spec.CIELuv.L_star >= L_star - EPS) {
+		memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+		return(XcmsSuccess);
+	}
+	if (nT > 0) {
+	    n_L_star += ((TOPL - n_L_star) *
+			 (L_star - tmp.spec.CIELuv.L_star)) / (TOPL - L_star);
+	} else {
+	    n_L_star *= L_star / tmp.spec.CIELuv.L_star;
+	}
+	if (tmp.spec.CIELuv.L_star <= prev_L_star + EPS &&
+	    tmp.spec.CIELuv.L_star >= prev_L_star - EPS) {
+		rFactor *= 0.5;  /* selective relaxation employed */
+		/* printf("rFactor = %lf\n", rFactor); */
+	}
+    }
+    if (XCMS_FABS(last_L_star - L_star) <
+	XCMS_FABS(tmp.spec.CIELuv.L_star - L_star)) {
+	    tmp.spec.CIELuv.u_star = lastuStar;
+	    tmp.spec.CIELuv.v_star = lastvStar;
+/*	    tmp.spec.CIELuv.u_star = XCMS_CIEUSTAROFHUE(hue, lastChroma); */
+/*	    tmp.spec.CIELuv.v_star = XCMS_CIEVSTAROFHUE(hue, lastChroma); */
+    }
+    tmp.spec.CIELuv.L_star = L_star;
+    memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor));
+    return(XcmsSuccess);
+}