source: flair-src/trunk/lib/FlairFilter/src/unexported/LowPassFilter_impl.h@ 7

/*!

 * \file LowPassFilter_impl.h

 * \brief Classe permettant le calcul d'un filtre passe bas

 * \author Guillaume Sanahuja, Copyright Heudiasyc UMR UTC/CNRS 7253

 * \date 2011/05/01

 * \version 4.0

 */



#ifndef LOWPASSFILTER_FILTER_IMPL_H

#define LOWPASSFILTER_FILTER_IMPL_H



#include <IODevice.h>



namespace flair

{

    namespace core

    {

        class cvmatrix;

    }

    namespace gui

    {

        class LayoutPosition;

        class SpinBox;

        class DoubleSpinBox;

    }

    namespace filter

    {

        class LowPassFilter;

    }

}



class LowPassFilter_impl

{



    public:

        LowPassFilter_impl(const flair::filter::LowPassFilter* self,const flair::gui::LayoutPosition* position,std::string name,const flair::core::cvmatrix* init_value=NULL);

        ~LowPassFilter_impl();

        void UpdateFrom(const flair::core::io_data *data);

        flair::core::cvmatrix *output;



    private:

        flair::core::Time previous_time;

        bool first_update;

        flair::core::cvmatrix* prev_value;

        flair::gui::DoubleSpinBox *freq,*T;

};



#endif // LOWPASSFILTER_FILTER_IMPL_H