【MT4マルチタイムフレーム】MACD（MTF-Macd）

//+------------------------------------------------------------------+
//|                                                     MTF-Macd.mq4 |
//|                                  Copyright 2022,Greeds Co., Ltd. |
//|                                               https://greeds.net |
//+------------------------------------------------------------------+
#property copyright "Copyright 2022,Greeds Co., Ltd."
#property link      "https://greeds.net"
#property version   "1.00"
#property strict
#property indicator_separate_window
#property  indicator_color1  Silver
#property  indicator_color2  Red
#property  indicator_buffers 2

double     Buf1[];
double     Buf2[];

input ENUM_TIMEFRAMES in_timeFrame = PERIOD_CURRENT;    // マルチタイムフレーム
input int in_fast_ema_period  =12;                      // 短期EMA
input int in_slow_ema_period  =26;                      // 長期EMA
input int in_signal_period    =9;                       // シグナル
input ENUM_APPLIED_PRICE in_applied_price=PRICE_CLOSE;  // 適用価格
input bool is_histgram=false;                           // ヒストグラム表示
   //+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
{
  SetIndexBuffer(0,Buf1);
  SetIndexBuffer(1,Buf2);
  if(is_histgram)
  {SetIndexStyle(0,DRAW_HISTOGRAM);}
  else
  {SetIndexStyle(0,DRAW_LINE);}
  SetIndexStyle(1,DRAW_LINE);

  return(INIT_SUCCEEDED);
}

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
{
  int limit = Bars - prev_calculated;
  for(int i=0; i<limit; i++)
  {
    int shift = iBarShift(NULL, in_timeFrame, time[i]);
    double main   = iMACD(NULL,in_timeFrame,in_fast_ema_period,in_slow_ema_period,in_signal_period,in_applied_price,MODE_MAIN,shift);
    double signal = iMACD(NULL,in_timeFrame,in_fast_ema_period,in_slow_ema_period,in_signal_period,in_applied_price,MODE_SIGNAL,shift);
    Buf1[i] = main;
    Buf2[i] = signal;
  }  return(rates_total);
}