#include "Channel.mqh"
#include "EMA.mqh"

class CHANNEL_EMA : public CHANNEL
{
private:
  EMA EMA_Avg;
  EMA EMA_Size;

public:
  CHANNEL_EMA( const int iPeriodAvg, const int iPeriodSize ) : EMA_Avg(iPeriodAvg), EMA_Size(iPeriodSize)
  {
  }

  virtual const CHANNEL_UNIT Get( const double Value )
  {
    const double Avg = this.EMA_Avg.Get(Value);
    const double Size = this.EMA_Size.Get(::MathAbs(Value - Avg));

    CHANNEL_UNIT ChannelUnit;

    ChannelUnit.High = Avg + Size;
    ChannelUnit.Low = Avg - Size;

    return(ChannelUnit);
  }
};