//  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