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diff --git a/src/imaging/Blob.h b/src/imaging/Blob.h
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+++ b/src/imaging/Blob.h
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+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2 of the License, or (at your option) any later version.
+//
+//  This library 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
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+//  Original author of this file is igor@c-base.org 
+//
+
+#ifndef _ConnectedComps_H_
+#define _ConnectedComps_H_
+
+#include "../api.h"
+#include "Run.h"
+
+#include "../graphics/Bitmap.h"
+#include "../graphics/Pixel32.h"
+
+#include "../base/GLMHelper.h"
+
+#include <vector>
+
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+
+namespace avg {
+
+class Blob;
+typedef boost::shared_ptr<class Blob> BlobPtr;
+typedef boost::weak_ptr<class Blob> BlobWeakPtr;
+typedef std::vector<BlobPtr> BlobVector;
+typedef std::vector<BlobWeakPtr> BlobWeakPtrVector;
+typedef boost::shared_ptr<BlobVector> BlobVectorPtr;
+typedef std::vector<IntPoint> ContourSeq;
+
+class AVG_API Blob
+{
+    public:
+        Blob(const Run& run);
+        ~Blob();
+
+        void addRun(const Run& run);
+        void merge(const BlobPtr& other);
+        RunArray* getRuns();
+        void render(BitmapPtr pSrcBmp, BitmapPtr pDestBmp, Pixel32 Color, 
+                int Min, int Max, bool bFinger, bool bMarkCenter, 
+                Pixel32 CenterColor= Pixel32(0x00, 0x00, 0xFF, 0xFF));
+        bool contains(IntPoint pt);
+
+        void calcStats();
+        void calcContour(int Precision);
+        ContourSeq getContour();
+
+        const glm::vec2& getCenter() const;
+        const glm::vec2& getEstimatedNextCenter() const;
+        float getArea() const;
+        const IntRect & getBoundingBox() const;
+        float getEccentricity() const;
+        float getInertia() const;
+        float getOrientation() const;
+        const glm::vec2& getScaledBasis(int i) const;
+        const glm::vec2& getEigenVector(int i) const;
+        const glm::vec2& getEigenValues() const;
+
+        void calcNextCenter(glm::vec2 oldCenter);
+        void clearRelated();
+        void addRelated(BlobPtr pBlob);
+        const BlobPtr getFirstRelated(); 
+
+        BlobPtr m_pParent;
+
+    private:
+        Blob(const Blob &);
+        glm::vec2 calcCenter();
+        IntRect calcBBox();
+        int calcArea();
+        void initRowPositions();
+        IntPoint findNeighborInside(const IntPoint& Pt, int& Dir);
+        bool ptIsInBlob(const IntPoint& Pt);
+
+        RunArray m_Runs; // This array is unsorted until contours are calculated.
+        std::vector<RunArray::iterator> m_RowPositions;
+        BlobWeakPtrVector m_RelatedBlobs; // For fingers, this contains the hand.
+                                          // For hands, this contains the fingers.
+
+        bool m_bStatsAvailable;
+        glm::vec2 m_EstimatedNextCenter;
+        glm::vec2 m_Center;
+        float m_Area;
+        IntRect m_BoundingBox;
+        float m_Eccentricity;
+        float m_Inertia;
+        float m_Orientation;
+        glm::vec2 m_ScaledBasis[2];
+        glm::vec2 m_EigenVector[2];
+        glm::vec2 m_EigenValues;
+
+        ContourSeq m_Contour;
+};
+
+BlobVectorPtr AVG_API findConnectedComponents(BitmapPtr pBmp, 
+        unsigned char threshold);
+
+}
+
+#endif