Added MACD Line indicator

Indicators/RangeBars/RangeBars_MACD_Line.mq5

@@ -0,0 +1,134 @@
+//+------------------------------------------------------------------+
+//|                                                         MACD.mq5 |
+//|                        Copyright 2009, MetaQuotes Software Corp. |
+//|                                              http://www.mql5.com |
+//+------------------------------------------------------------------+
+#property copyright   "2009, MetaQuotes Software Corp."
+#property link        "http://www.mql5.com"
+#property description "Moving Average Convergence/Divergence"
+#include <MovingAverages.mqh>
+//--- indicator settings
+#property indicator_separate_window
+#property indicator_buffers 4
+#property indicator_plots   2
+#property indicator_type1   DRAW_LINE
+#property indicator_type2   DRAW_LINE
+#property indicator_color1  clrMagenta
+#property indicator_color2  clrBlue
+#property indicator_width1  2
+#property indicator_width2  2
+#property indicator_label1  "Main"
+#property indicator_label2  "Signal"
+//--- input parameters
+input int                InpFastEMA=12;               // Fast EMA period
+input int                InpSlowEMA=26;               // Slow EMA period
+input int                InpSignalSMA=9;              // Signal SMA period
+//--- indicator buffers
+//double                   ExtMacdBufferUp[];
+//double                   ExtMacdBufferDn[];
+double                   ExtSignalBuffer[];
+double                   ExtFastMaBuffer[];
+double                   ExtSlowMaBuffer[];
+double                   ExtMacdBuffer[];
+
+//
+//
+//
+
+#include <AZ-INVEST/SDK/RangeBarIndicator.mqh>
+RangeBarIndicator customChartIndicator;
+
+//
+//
+//
+
+//+------------------------------------------------------------------+
+//| Custom indicator initialization function                         |
+//+------------------------------------------------------------------+
+void OnInit()
+  {
+//--- indicator buffers mapping
+   SetIndexBuffer(0,ExtMacdBuffer,INDICATOR_DATA);
+   SetIndexBuffer(1,ExtSignalBuffer,INDICATOR_DATA);
+   //SetIndexBuffer(2,ExtSignalBuffer,INDICATOR_DATA);
+   SetIndexBuffer(2,ExtFastMaBuffer,INDICATOR_CALCULATIONS);
+   SetIndexBuffer(3,ExtSlowMaBuffer,INDICATOR_CALCULATIONS);
+   //SetIndexBuffer(4,ExtMacdBuffer,INDICATOR_CALCULATIONS);
+   
+//--- sets first bar from what index will be drawn
+   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,InpSignalSMA-1);
+//--- name for Dindicator subwindow label
+   IndicatorSetString(INDICATOR_SHORTNAME,"MACD("+string(InpFastEMA)+","+string(InpSlowEMA)+","+string(InpSignalSMA)+")");
+//--- initialization done
+  }
+//+------------------------------------------------------------------+
+//| Moving Averages Convergence/Divergence                           |
+//+------------------------------------------------------------------+
+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 &TickVolume[],
+                const long &Volume[],
+                const int &Spread[])
+  {
+   //
+   // Precoess data through MedianRenko indicator
+   //
+   
+   if(!customChartIndicator.OnCalculate(rates_total,prev_calculated,Time))
+      return(0);
+
+   int _prev_calculated = customChartIndicator.GetPrevCalculated();
+   
+   //
+   //
+   //    
+     
+//--- check for data
+   if(rates_total<InpSignalSMA)
+      return(0);
+//--- we can copy not all data
+   int to_copy;
+   if(_prev_calculated>rates_total || _prev_calculated<0) to_copy=rates_total;
+   else
+     {
+      to_copy=rates_total-_prev_calculated;
+      if(_prev_calculated>0) to_copy++;
+     }
+//--- get Fast EMA buffer
+   if(IsStopped()) return(0); //Checking for stop flag   
+   ExponentialMAOnBuffer(rates_total,_prev_calculated,0,InpFastEMA,customChartIndicator.Close,ExtFastMaBuffer);
+//--- get SlowSMA buffer
+   if(IsStopped()) return(0); //Checking for stop flag
+   ExponentialMAOnBuffer(rates_total,_prev_calculated,0,InpSlowEMA,customChartIndicator.Close,ExtSlowMaBuffer);
+//---
+   int limit;
+   if(_prev_calculated==0)
+      limit=0;
+   else limit=_prev_calculated-1;
+//--- calculate MACD
+   for(int i=limit;i<rates_total && !IsStopped();i++)
+   {
+      ExtMacdBuffer[i] = ExtFastMaBuffer[i]-ExtSlowMaBuffer[i];
+      /*
+      if(ExtMacdBuffer[i] > 0)
+      {
+         ExtMacdBufferUp[i] = ExtFastMaBuffer[i]-ExtSlowMaBuffer[i];
+         ExtMacdBufferDn[i] = 0;
+      }
+      else if(ExtMacdBuffer[i] < 0)
+      {
+         ExtMacdBufferDn[i] = ExtFastMaBuffer[i]-ExtSlowMaBuffer[i];
+         ExtMacdBufferUp[i] = 0;
+      }
+      */
+   }
+//--- calculate Signal
+   SimpleMAOnBuffer(rates_total,_prev_calculated,0,InpSignalSMA,ExtMacdBuffer,ExtSignalBuffer);
+//--- OnCalculate done. Return new _prev_calculated.
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+