source: flair-src/trunk/lib/FlairFilter/src/ButterworthLowPass.cpp@ 10

// %flair:license{

// This file is part of the Flair framework distributed under the

// CECILL-C License, Version 1.0.

// %flair:license}

//  created:    2013/12/10

//  filename:   ButterworthLowPass.cpp

//

//  author:     Guillaume Sanahuja

//              Copyright Heudiasyc UMR UTC/CNRS 7253

//

//  version:    $Id: $

//

//  purpose:    Class defining a Butterworth low pass filter

//

//

/*********************************************************************/



#include "ButterworthLowPass.h"

#include "ButterworthLowPass_impl.h"

#include <cvmatrix.h>

#include <Layout.h>

#include <LayoutPosition.h>



using std::string;

using namespace flair::core;

using namespace flair::gui;



namespace flair

{

namespace filter

{



ButterworthLowPass::ButterworthLowPass(const IODevice* parent,const LayoutPosition* position,string name,int order): IODevice(parent,name)

{

    pimpl_=new ButterworthLowPass_impl(this,position,name,order);

    AddDataToLog(pimpl_->output);

}



ButterworthLowPass::ButterworthLowPass(const gui::LayoutPosition* position,string name,int order): IODevice(position->getLayout(),name)

{

    pimpl_=new ButterworthLowPass_impl(this,position,name,order);

    AddDataToLog(pimpl_->output);

}





ButterworthLowPass::~ButterworthLowPass()

{

    delete pimpl_;

}



cvmatrix *ButterworthLowPass::Matrix(void) const

{

    return pimpl_->output;

}



float ButterworthLowPass::Output(void) const

{

   return pimpl_->output->Value(0,0);

}



void ButterworthLowPass::UpdateFrom(const io_data *data)

{

    pimpl_->UpdateFrom(data);

    ProcessUpdate(pimpl_->output);

}



} // end namespace filter

} // end namespace flair