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diff --git a/extensions/source/scanner/grid.hxx b/extensions/source/scanner/grid.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef _EXTENSIONS_SCANNER_GRID_HXX
+#define _EXTENSIONS_SCANNER_GRID_HXX
+
+#include <vcl/window.hxx>
+#include <vcl/button.hxx>
+#include <vcl/lstbox.hxx>
+#include <vcl/dialog.hxx>
+
+class GridWindow : public ModalDialog
+{
+    // helper class for handles
+    struct impHandle
+    {
+        Point           maPos;
+        sal_uInt16      mnOffX;
+        sal_uInt16      mnOffY;
+
+        impHandle(const Point& rPos, sal_uInt16 nX, sal_uInt16 nY)
+        :   maPos(rPos), mnOffX(nX), mnOffY(nY)
+        {
+        }
+
+        bool operator<(const impHandle& rComp) const
+        {
+            return (maPos.X() < rComp.maPos.X());
+        }
+
+        void draw(Window& rWin, const BitmapEx& rBitmapEx)
+        {
+            const Point aOffset(rWin.PixelToLogic(Point(mnOffX, mnOffY)));
+            rWin.DrawBitmapEx(maPos - aOffset, rBitmapEx);
+        }
+
+        bool isHit(Window& rWin, const Point& rPos)
+        {
+            const Point aOffset(rWin.PixelToLogic(Point(mnOffX, mnOffY)));
+            const Rectangle aTarget(maPos - aOffset, maPos + aOffset);
+            return aTarget.IsInside(rPos);
+        }
+    };
+
+    Rectangle       m_aGridArea;
+
+    double          m_fMinX;
+    double          m_fMinY;
+    double          m_fMaxX;
+    double          m_fMaxY;
+
+    double          m_fChunkX;
+    double          m_fMinChunkX;
+    double          m_fChunkY;
+    double          m_fMinChunkY;
+
+    double*         m_pXValues;
+    double*         m_pOrigYValues;
+    int             m_nValues;
+    double*         m_pNewYValues;
+
+    sal_uInt16      m_BmOffX;
+    sal_uInt16      m_BmOffY;
+
+    sal_Bool            m_bCutValues;
+
+    // stuff for handles
+    std::vector< impHandle >    m_aHandles;
+    sal_uInt32                  m_nDragIndex;
+
+    BitmapEx        m_aMarkerBitmap;
+
+    OKButton        m_aOKButton;
+    CancelButton    m_aCancelButton;
+
+    ListBox         m_aResetTypeBox;
+    PushButton      m_aResetButton;
+
+
+    Point transform( double x, double y );
+    void transform( const Point& rOriginal, double& x, double& y );
+
+    double findMinX();
+    double findMinY();
+    double findMaxX();
+    double findMaxY();
+
+    void drawGrid();
+    void drawOriginal();
+    void drawNew();
+    void drawHandles();
+
+    void computeExtremes();
+    void computeChunk( double fMin, double fMax, double& fChunkOut, double& fMinChunkOut );
+    void computeNew();
+    double interpolate( double x, double* pNodeX, double* pNodeY, int nNodes );
+
+    DECL_LINK( ClickButtonHdl, Button* );
+
+    virtual void MouseMove( const MouseEvent& );
+    virtual void MouseButtonDown( const MouseEvent& );
+    virtual void MouseButtonUp( const MouseEvent& );
+public:
+    GridWindow( double* pXValues, double* pYValues, int nValues,
+                Window* pParent, sal_Bool bCutValues = sal_True );
+    ~GridWindow();
+
+    void setBoundings( double fMinX, double fMinY, double fMaxX, double fMaxY );
+    double getMinX() { return m_fMinX; }
+    double getMinY() { return m_fMinY; }
+    double getMaxX() { return m_fMaxX; }
+    double getMaxY() { return m_fMaxY; }
+
+    int countValues() { return m_nValues; }
+    double* getXValues() { return m_pXValues; }
+    double* getOrigYValues() { return m_pOrigYValues; }
+    double* getNewYValues() { return m_pNewYValues; }
+
+    void drawLine( double x1, double y1, double x2, double y2 );
+
+    virtual void Paint( const Rectangle& rRect );
+};
+
+#endif // _EXTENSIONS_SCANNER_GRID_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */