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diff --git a/src/core/ScanlineHelper.h b/src/core/ScanlineHelper.h
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+/*
+Copyright (c) 2003-2010 Sony Pictures Imageworks Inc., et al.
+All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+* Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+* Neither the name of Sony Pictures Imageworks nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#ifndef INCLUDED_OCIO_SCANLINEHELPER_H
+#define INCLUDED_OCIO_SCANLINEHELPER_H
+
+#include <OpenColorIO/OpenColorIO.h>
+
+#include "ImagePacking.h"
+
+OCIO_NAMESPACE_ENTER
+{
+    
+    class ScanlineHelper
+    {
+        public:
+        
+        ScanlineHelper(ImageDesc& img);
+        
+        ~ScanlineHelper();
+        
+        // Copy from the src image to our scanline, in our preferred
+        // pixel layout. Return the number of pixels to process;
+        
+        void prepRGBAScanline(float** buffer, long* numPixels);
+        
+        // Write back the result of our work, from the scanline to our
+        // destination image.
+        
+        void finishRGBAScanline();
+        
+        private:
+            GenericImageDesc m_img;
+            
+            // Copy mode
+            float* m_buffer;
+            long m_imagePixelIndex;
+            int m_numPixelsCopied;
+            
+            // In place mode
+            int m_yIndex;
+            
+            bool m_inPlaceMode;
+            
+            ScanlineHelper(const ScanlineHelper &);
+            ScanlineHelper& operator= (const ScanlineHelper &);
+    };
+    
+}
+OCIO_NAMESPACE_EXIT
+
+#endif