//+------------------------------------------------------------------+
//|                                               Custom MACD_AK.mq4 |
//|                                       Copyright © 2009, ALEXKUD. |
//|                                          http://www.alexkud.com/ |
//+------------------------------------------------------------------+
#property  copyright "Copyright © 2009, MetaQuotes Software Corp."
#property  link      "http://www.metaquotes.net/"
//---- indicator settings
#property  indicator_separate_window
#property  indicator_buffers 6
#property  indicator_color1  Silver
#property  indicator_color2  Green
#property  indicator_color3  MediumBlue
#property  indicator_color4  Red
#property  indicator_color5  Yellow
#property  indicator_color6  Red

//#property  indicator_color3  Blue
#property  indicator_width1  4
#property  indicator_width2  4
#property  indicator_width3  2
#property  indicator_width4  4
#property  indicator_width5  2
//---- indicator parameters
extern int FastEMA=5;
extern int SlowEMA=18;
extern int SignalSMA=1;
//---- indicator buffers
double     MacdBuffer[];
double     MacdBufferu2[];
double     MacdBufferu3[];
double     MacdBufferu4[];
double     MacdBufferu5[];
double     SignalBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- drawing settings
   SetIndexStyle(0,DRAW_HISTOGRAM);
   SetIndexStyle(1,DRAW_HISTOGRAM);
   SetIndexBuffer(1,MacdBufferu2);
   SetIndexStyle(2,DRAW_HISTOGRAM);
   SetIndexBuffer(2,MacdBufferu3);
   SetIndexStyle(3,DRAW_HISTOGRAM);
   SetIndexBuffer(3,MacdBufferu4);
   SetIndexStyle(4,DRAW_HISTOGRAM);
   SetIndexBuffer(4,MacdBufferu5);
  SetIndexStyle(5,DRAW_LINE);
   SetIndexDrawBegin(5,SignalSMA);
  IndicatorDigits(Digits+1);
//---- indicator buffers mapping
   SetIndexBuffer(0,MacdBuffer);
   SetIndexBuffer(5,SignalBuffer);
   //SetIndexStyle(2,DRAW_HISTOGRAM);
   //SetIndexBuffer(2,MacdBuffer2);
//---- name for DataWindow and indicator subwindow label
   IndicatorShortName("MACD_AK ALEXKUD.COM("+FastEMA+","+SlowEMA+","+SignalSMA+")");
   SetIndexLabel(0,"MACD_AK");
   SetIndexLabel(5,"Signal");
//---- initialization done
   return(0);
  }
//+------------------------------------------------------------------+
//| Moving Averages Convergence/Divergence                           |
//+------------------------------------------------------------------+
int start()
  {
   int limit;
   int counted_bars=IndicatorCounted();
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;
//---- macd counted in the 1-st buffer
   for(int i=0; i<limit; i++)
   {
         MacdBuffer[i]=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i)-iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i);
   }
   
   for(i=0; i<limit; i++)
   {
   double MA=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i);
    double MA1=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i+1);
    double MA2=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i+2);
    double  delta=MA-MA1;
    double delta1=MA1-MA2;
     if((delta>delta1 && delta>0) )//|| (delta<0 && delta1>=0)
      MacdBufferu2[i]=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i)-iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i);
   }   
  for(i=0; i<limit; i++)
   {
   MA=iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i);
    MA1=iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i+1);
     MA2=iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i+2);
      delta=MA-MA1;
     delta1=MA1-MA2;
     if((delta>=delta1 && delta>0) )//|| ( && delta1>=0))||(delta<=delta1 && delta<0
      MacdBufferu3[i]=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i)-iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i);
      }
  
  for(i=0; i<limit; i++)
   {
   MA=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i);
     MA1=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i+1);
     MA2=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i+2);
     delta=MA-MA1;
    delta1=MA1-MA2;
     if((delta<=delta1 && delta<0) )//|| (delta<0 && delta1>=0)
      MacdBufferu4[i]=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i)-iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i);
   }   
  for(i=0; i<limit; i++)
   {
   MA=iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i);
    MA1=iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i+1);
     MA2=iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i+2);
      delta=MA-MA1;
     delta1=MA1-MA2;
     if((delta<=delta1 && delta<0) )//|| ( && delta1>=0))||(delta<=delta1 && delta<0
      MacdBufferu5[i]=iMA(NULL,0,FastEMA,0,MODE_EMA,PRICE_CLOSE,i)-iMA(NULL,0,SlowEMA,0,MODE_EMA,PRICE_CLOSE,i);
      }   
  //---- signal line counted in the 2-nd buffer
   for(i=0; i<limit; i++)
      SignalBuffer[i]=iMAOnArray(MacdBuffer,Bars,SignalSMA,0,MODE_SMA,i);
      
       
      
      //---- done
   return(0);
  }
//+------------------------------------------------------------------+