Filter Library

Camera

Interface Physics

ScanFilterFourierBase.h

/*
 * ScanFilterFourierBase.h - base class for FFT.
 *
 * This file is part of the Camera Filter Library.
 * Computer Aided Measurement Environment for Realtime Atomic imaging (Camera)
 *
 * Copyright (C) 2004-2005, Leiden Probe Microscopy.
 * Copyright (C) 2004-2005, Universiteit Leiden.
 *
 * Authors: M. Seynen (original), Martin J. Moene
 *
 * $Id: ScanFilterFourierBase.h 237 2005-06-27 09:06:40Z moene $
 */

#ifndef CFL_SCANFILTERFOURIERBASE_H
#define CFL_SCANFILTERFOURIERBASE_H

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <cfl/ScanFilter.h>             // for base class
#include <cfl/ScanBaseBuffer.h>         // for ValueType

DECLARE_CLASS( CScanFilterFourierBase );         // create various types

/**
 * \brief FFT filter base class.
 *
 */
class CScanFilterFourierBase : public CScanFilter
{

public:
   /**
    * the value type.
    */
   typedef CScanBaseBuffer::ValueType ValueType;

   /**
    * the real type.
    */
   typedef double RealType;

   /**
    * the Fourier element type.
    */
   typedef CScanBaseBuffer::FourierElementType FourierElementType;

   /**
    * default constructor.
    */
   CScanFilterFourierBase();

   /**
    * destructor.
    */
   virtual ~CScanFilterFourierBase();

protected:
   /**
    * store or retrieve the object's settings.
    */
   virtual void Serialize(CArchive& ar);
   DECLARE_SERIAL( CScanFilterFourierBase )

   /**
    * build a temporary amplitude buffer (real type).
    */
   RealType BuildTmpAmpBuffer(int n1, int n2, BOOL bL2R, BOOL bR2L, FourierElementType** alr, FourierElementType** arl, RealType *dAmpBuffer);

   /**
    * copy a temporary amplitude buffer to the scanbuffer (scaled).
    */
   void CopyAmpBufferToScanBuffer(int n1, int n2, BOOL bL2R, BOOL bR2L, RealType *dAmpBuffer, RealType dMax);
};

/// @} cfl_filterfftbase

#endif // CFL_SCANFILTERFOURIERBASE_H

/*
 * end of file
 */

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