From 3f08841819f1e4d4262bd34dd7a085b2ea2e47d7 Mon Sep 17 00:00:00 2001
From: torger <torger@ludd.ltu.se>
Date: Wed, 8 Jul 2015 10:38:18 +0200
Subject: [PATCH] clipping fix for issue 2739

---
 rtengine/improccoordinator.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/rtengine/improccoordinator.cc b/rtengine/improccoordinator.cc
index 73078f7c1..38178e1ec 100644
--- a/rtengine/improccoordinator.cc
+++ b/rtengine/improccoordinator.cc
@@ -994,6 +994,17 @@ void ImProcCoordinator::saveInputICCReference (const Glib::ustring& fname, bool
 		delete im;
 		im = tmpim;
 	}
+
+        // image may contain out of range samples, clip them to avoid wrap-arounds
+#pragma omp parallel for
+        for(int i=0;i<im->height;i++) {
+            for(int j=0;j<im->width;j++) {
+                im->r(i,j) = CLIP(im->r(i,j));
+                im->g(i,j) = CLIP(im->g(i,j));
+                im->b(i,j) = CLIP(im->b(i,j));
+            }
+        }
+
 	Image16* im16 = im->to16();
 	delete im;