ButterworthLowPass.h

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// %flair:license{
// This file is part of the Flair framework distributed under the
// CECILL-C License, Version 1.0.
// %flair:license}
#ifndef BUTTERWORTHLOWPASS_H
#define BUTTERWORTHLOWPASS_H

#include <IODevice.h>

namespace flair {
namespace core {
class Matrix;
}
namespace gui {
class LayoutPosition;
}
}

class ButterworthLowPass_impl;

namespace flair {
namespace filter {
class ButterworthLowPass : public core::IODevice {
public:
  ButterworthLowPass(const IODevice *parent,
                     const gui::LayoutPosition *position, std::string name,
                     uint32_t order,uint32_t nbRow=1,uint32_t nbCol=1);

  ButterworthLowPass(const gui::LayoutPosition *position, std::string name,
                     uint32_t order,uint32_t nbRow,uint32_t nbCol);

  ~ButterworthLowPass();

  float Output(void) const;

  core::Matrix *GetMatrix(void) const;

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

private:
  class ButterworthLowPass_impl *pimpl_;
};
} // end namespace filter
} // end namespace flair
#endif // BUTTERWORTHLOWPASS_H