diff --git a/rtengine/labimage.cc b/rtengine/labimage.cc
index 36d3e0f67..4cd5ce31a 100644
--- a/rtengine/labimage.cc
+++ b/rtengine/labimage.cc
@@ -1,9 +1,29 @@
+/*
+ *  This file is part of RawTherapee.
+ *
+ *  Copyright (c) 2004-2017 Gabor Horvath <hgabor@rawtherapee.com>
+ *
+ *  RawTherapee is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  RawTherapee is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include "labimage.h"
-#include <memory.h>
+#include <memory>
+
 namespace rtengine
 {
 
-LabImage::LabImage (int w, int h) : fromImage(false), W(w), H(h)
+LabImage::LabImage (int w, int h) : W(w), H(h)
 {
     allocLab(w, h);
 }
@@ -42,4 +62,43 @@ void LabImage::getPipetteData (float &v1, float &v2, float &v3, int posX, int po
     v3 = n ? accumulator_b / float(n) : 0.f;
 }
 
+void LabImage::allocLab(int w, int h)
+{
+    L = new float*[h];
+    a = new float*[h];
+    b = new float*[h];
+
+    data = new float [w * h * 3];
+    float * index = data;
+
+    for (int i = 0; i < h; i++) {
+        L[i] = index + i * w;
+    }
+
+    index += w * h;
+
+    for (int i = 0; i < h; i++) {
+        a[i] = index + i * w;
+    }
+
+    index += w * h;
+
+    for (int i = 0; i < h; i++) {
+        b[i] = index + i * w;
+    }
+}
+
+void LabImage::deleteLab()
+{
+    delete [] L;
+    delete [] a;
+    delete [] b;
+    delete [] data;
+}
+
+void LabImage::reallocLab()
+{
+    allocLab(W, H);
+};
+
 }
diff --git a/rtengine/labimage.h b/rtengine/labimage.h
index 4b7db93c0..93f3887b6 100644
--- a/rtengine/labimage.h
+++ b/rtengine/labimage.h
@@ -25,32 +25,8 @@ namespace rtengine
 class LabImage
 {
 private:
-    bool fromImage;
-    void allocLab(int w, int h)
-    {
-        L = new float*[H];
-        a = new float*[H];
-        b = new float*[H];
+    void allocLab(int w, int h);
 
-        data = new float [W * H * 3];
-        float * index = data;
-
-        for (int i = 0; i < H; i++) {
-            L[i] = index + i * W;
-        }
-
-        index += W * H;
-
-        for (int i = 0; i < H; i++) {
-            a[i] = index + i * W;
-        }
-
-        index += W * H;
-
-        for (int i = 0; i < H; i++) {
-            b[i] = index + i * W;
-        }
-    };
 public:
     int W, H;
     float * data;
@@ -64,20 +40,8 @@ public:
     //Copies image data in Img into this instance.
     void CopyFrom(LabImage *Img);
     void getPipetteData (float &L, float &a, float &b, int posX, int posY, int squareSize);
-    void deleteLab( )
-    {
-        if (!fromImage) {
-            delete [] L;
-            delete [] a;
-            delete [] b;
-            delete [] data;
-        }
-    }
-    void reallocLab( )
-    {
-        allocLab(W, H);
-    };
-
+    void deleteLab();
+    void reallocLab();
 };
 
 }