From e868fbbfdabe9cf45899054c8455d39acf800ede Mon Sep 17 00:00:00 2001
From: Ulrich Sibiller <uli42@gmx.de>
Date: Sat, 27 Aug 2016 01:00:43 +0200
Subject: update xcms files to libX11 1.3.4

---
 nx-X11/lib/X11/HVC.c | 59 +++++++++++++++++++++++++++++++++-------------------
 1 file changed, 38 insertions(+), 21 deletions(-)

(limited to 'nx-X11/lib/X11/HVC.c')

diff --git a/nx-X11/lib/X11/HVC.c b/nx-X11/lib/X11/HVC.c
index d46a73f6f..f790b1335 100644
--- a/nx-X11/lib/X11/HVC.c
+++ b/nx-X11/lib/X11/HVC.c
@@ -2,7 +2,7 @@
 /*
  * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
  * 	All Rights Reserved
- * 
+ *
  * This file is a component of an X Window System-specific implementation
  * of Xcms based on the TekColor Color Management System.  TekColor is a
  * trademark of Tektronix, Inc.  The term "TekHVC" designates a particular
@@ -10,10 +10,10 @@
  * foreign patents pending).  Permission is hereby granted to use, copy,
  * modify, sell, and otherwise distribute this software and its
  * documentation for any purpose and without fee, provided that:
- * 
+ *
  * 1. This copyright, permission, and disclaimer notice is reproduced in
  *    all copies of this software and any modification thereof and in
- *    supporting documentation; 
+ *    supporting documentation;
  * 2. Any color-handling application which displays TekHVC color
  *    cooordinates identifies these as TekHVC color coordinates in any
  *    interface that displays these coordinates and in any associated
@@ -23,10 +23,10 @@
  *    including those provided in this file and any equivalent pathways and
  *    mathematical derivations, regardless of digital (e.g., floating point
  *    or integer) representation.
- * 
+ *
  * Tektronix makes no representation about the suitability of this software
  * for any purpose.  It is provided "as is" and with all faults.
- * 
+ *
  * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,
  * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  * PARTICULAR PURPOSE.  IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY
@@ -82,7 +82,7 @@
 /*************************************************************************
  * Note: The DBL_EPSILON for ANSI is 1e-5 so my checks need to take
  *       this into account.  If your DBL_EPSILON is different then
- *       adjust this define. 
+ *       adjust this define.
  *
  *       Also note that EPS is the error factor in the calculations
  *       This may need to be the same as XMY_DBL_EPSILON in
@@ -198,7 +198,24 @@ TekHVC_ParseString(
 	    &pColor->spec.TekHVC.H,
 	    &pColor->spec.TekHVC.V,
 	    &pColor->spec.TekHVC.C) != 3) {
-	return(XcmsFailure);
+        char *s; /* Maybe failed due to locale */
+        int f;
+        if ((s = strdup(spec))) {
+            for (f = 0; s[f]; ++f)
+                if (s[f] == '.')
+                    s[f] = ',';
+                else if (s[f] == ',')
+                    s[f] = '.';
+	    if (sscanf(s + n + 1, "%lf/%lf/%lf",
+		       &pColor->spec.TekHVC.H,
+		       &pColor->spec.TekHVC.V,
+		       &pColor->spec.TekHVC.C) != 3) {
+                free(s);
+                return(XcmsFailure);
+            }
+            free(s);
+        } else
+	    return(XcmsFailure);
     }
     pColor->format = XcmsTekHVCFormat;
     pColor->pixel = 0;
@@ -299,7 +316,7 @@ XcmsTekHVC_ValidSpec(
     }
     while (pColor->spec.TekHVC.H >= 360.0) {
 	pColor->spec.TekHVC.H -= 360.0;
-    } 
+    }
     return(XcmsSuccess);
 }
 
@@ -310,11 +327,11 @@ XcmsTekHVC_ValidSpec(
  *	SYNOPSIS
  */
 Status
-XcmsTekHVCToCIEuvY(ccc, pHVC_WhitePt, pColors_in_out, nColors)
-    XcmsCCC ccc;
-    XcmsColor *pHVC_WhitePt;
-    XcmsColor *pColors_in_out;
-    unsigned int nColors;
+XcmsTekHVCToCIEuvY(
+    XcmsCCC ccc,
+    XcmsColor *pHVC_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
 /*
  *	DESCRIPTION
  *		Transforms an array of TekHVC color specifications, given
@@ -396,9 +413,9 @@ XcmsTekHVCToCIEuvY(ccc, pHVC_WhitePt, pColors_in_out, nColors)
 	    tempHue = radians(tempHue);
 
 	    /* Calculate u'v' for the obtained hue */
-	    u = (XcmsFloat) ((XCMS_COS(tempHue) * pColor->spec.TekHVC.C) / 
+	    u = (XcmsFloat) ((XCMS_COS(tempHue) * pColor->spec.TekHVC.C) /
 		    (pColor->spec.TekHVC.V * (double)CHROMA_SCALE_FACTOR));
-	    v = (XcmsFloat) ((XCMS_SIN(tempHue) * pColor->spec.TekHVC.C) / 
+	    v = (XcmsFloat) ((XCMS_SIN(tempHue) * pColor->spec.TekHVC.C) /
 		    (pColor->spec.TekHVC.V * (double)CHROMA_SCALE_FACTOR));
 
 	    /* Based on the white point get the offset from best red */
@@ -431,11 +448,11 @@ XcmsTekHVCToCIEuvY(ccc, pHVC_WhitePt, pColors_in_out, nColors)
  *	SYNOPSIS
  */
 Status
-XcmsCIEuvYToTekHVC(ccc, pHVC_WhitePt, pColors_in_out, nColors)
-    XcmsCCC ccc;
-    XcmsColor *pHVC_WhitePt;
-    XcmsColor *pColors_in_out;
-    unsigned int nColors;
+XcmsCIEuvYToTekHVC(
+    XcmsCCC ccc,
+    XcmsColor *pHVC_WhitePt,
+    XcmsColor *pColors_in_out,
+    unsigned int nColors)
 /*
  *	DESCRIPTION
  *		Transforms an array of CIECIEuvY.color specifications, given
@@ -603,6 +620,6 @@ _XcmsTekHVC_CheckModify(
     } else if (pColor->spec.TekHVC.H >= 360.0) {
 	n = pColor->spec.TekHVC.H / 360.0;
 	pColor->spec.TekHVC.H -= n * 360.0;
-    } 
+    }
     return(1);
 }
-- 
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