MT5 SMMA 描画スクリプト

smma.mq5

#property copyright "SMMA Sample Indicator."
#property link      ""
#property version   "1.00"
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_plots 3

// 移動平均短期スパン描画設定
#property indicator_label1 "SMMA Short"
#property indicator_type1 DRAW_LINE
#property indicator_color1 Yellow
#property indicator_style1 STYLE_SOLID
#property indicator_width1 1

// 移動平均中期スパン描画設定
#property indicator_label2 "SMMA Middle"
#property indicator_type2 DRAW_LINE
#property indicator_color2 Red
#property indicator_style2 STYLE_SOLID
#property indicator_width2 1

// 移動平均長期スパン描画設定
#property indicator_label3 "SMMA Long"
#property indicator_type3 DRAW_LINE
#property indicator_color3 DeepSkyBlue
#property indicator_style3 STYLE_SOLID
#property indicator_width3 1

// 短期スパン用バッファ
input int period1 = 10;
input int shift1 = 0;
double maLine1[];

// 中期スパン用バッファ
input int period2 = 20;
input int shift2 = 0;
double maLine2[];

// 長期スパン用バッファ
input int period3 = 30;
input int shift3 = 0;
double maLine3[];

// 各種移動平均のハンドル
int maLineHandle1;
int maLineHandle2;
int maLineHandle3;

int OnInit()
{
   EventSetTimer(60);
   
   // 描画用バッファの取得. maLineを描画用バッファとして設定．
   SetIndexBuffer(0, maLine1, INDICATOR_DATA);
   SetIndexBuffer(1, maLine2, INDICATOR_DATA);
   SetIndexBuffer(2, maLine3, INDICATOR_DATA);
   
   // 組み込まれている移動平均計算機能の各スパン用ハンドルを取得
   maLineHandle1 = iMA(NULL, 0, period1, shift1, MODE_SMMA, PRICE_CLOSE);
   maLineHandle2 = iMA(NULL, 0, period2, shift2, MODE_SMMA, PRICE_CLOSE);
   maLineHandle3 = iMA(NULL, 0, period3, shift3, MODE_SMMA, PRICE_CLOSE);
   
   return(INIT_SUCCEEDED);
}

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[])
{
   // データが利用できるか確認．
   if (BarsCalculated(maLineHandle1) < rates_total ||
       BarsCalculated(maLineHandle2) < rates_total ||
       BarsCalculated(maLineHandle3) < rates_total)
   {
      return 0;
   }
   
   // 未計算の足の数を取得
   int to_copy;
   if (rates_total < prev_calculated || prev_calculated <= 0)
   {
      to_copy = rates_total - prev_calculated;
   }
   else
   {
      to_copy = rates_total - prev_calculated;
      to_copy++;
   }
   
   // 移動平均計算用ハンドルから結果を描画用バッファへコピー
   if (CopyBuffer(maLineHandle1, 0, 0, to_copy, maLine1) <= 0 ||
       CopyBuffer(maLineHandle2, 0, 0, to_copy, maLine2) <= 0 ||
       CopyBuffer(maLineHandle3, 0, 0, to_copy, maLine3) <= 0)
   {
      return 0;
   }
   
   return(rates_total);
}

void OnDeinit(const int reason)
{
   EventKillTimer();
}

void OnTick()
{ 
}
  
void OnTimer()
{

}

void OnTrade()
{

}

void OnTradeTransaction(
   const MqlTradeTransaction& trans,
   const MqlTradeRequest& request,
   const MqlTradeResult& result)
{

}

double OnTester()
{
   double ret=0.0;
   
   return(ret);
}

void OnTesterInit()
{

}

void OnTesterPass()
{

}

void OnTesterDeinit()
{

}

void OnChartEvent(const int id, const long &lparam, const double &dparam, const string &sparam)
{

}

void OnBookEvent(const string &symbol)
{

}