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MA_in_Color_st2050_v2.1.mq4

Time: 2010-03-26 | Download file:MA_in_Color_st2050_v2.1.mq4

//+----------------------------------------------------------------------------
//|                                                MA_In_Color.mq4   |
//|                      Copyright © 2004, MetaQuotes Software Corp. |
//| Modified from LSMA_In_Color to use any MA by Robert Hill         |     
//+----------------------------------------------------------------------------
//
//  Modified by st2050
//  v1:  Changed MAprice from integer to ENUM_APPLIED_PRICE
//       Can't add ENUM_MA_METHOD for sMAtype due to LSMA support
//       Added MaxBars parameter
//       Added ShowOnLineModeOnly parameter
//
//  v2:  Added "Do not draw current candle" property
//
//  v2.1 Added missed "if (limit= 1  ; i--)
   {
     lengthvar = length + 1;
     lengthvar /= 3;
     tmp = 0;
     tmp = ( i - lengthvar)*Close[length-i+shift];
     sum+=tmp;
    }
    wt = sum*6/(length*(length+1));
    
    return(wt);
}

void HideShowIndicator()
{
  ChartMode = ChartGetInteger(0,CHART_MODE);
  if (ChartMode!=PrevChartMode)
  {
     if (ShowOnLineModeOnly)
     {
       if (ChartMode==CHART_LINE) ShowIndicator();
         else HideIndicator();
     }
     else ShowIndicator();
  } 
}


void HideIndicator()
{
   SetIndexStyle(2,DRAW_NONE);
   SetIndexStyle(1,DRAW_NONE);
   SetIndexStyle(0,DRAW_NONE);
}

void ShowIndicator()
{
   SetIndexStyle(2,DRAW_LINE);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexStyle(0,DRAW_LINE);
   NeedRedraw=true;
}

int start()

  {
  
   HideShowIndicator();

   double MA_Cur, MA_Prev;
   int limit;
   int counted_bars = IndicatorCounted();
   //---- check for possible errors
   if (counted_bars<0) return(-1);
   //---- last counted bar will be recounted
   if (counted_bars>0) counted_bars--;
   limit = Bars - counted_bars;
   if ((limit>MaxBars) || NeedRedraw) limit=MaxBars;
   if (limit=_StartBar; i--)
   {
      if (MAType == 4)
      {
        MA_Cur = LSMA(MAPeriod,i);
        MA_Prev = LSMA(MAPeriod,i+1);
      }
      else
      {
        MA_Cur = iMA(NULL,0,MAPeriod,0,MAMode,MAprice,i);
        MA_Prev = iMA(NULL,0,MAPeriod,0,MAMode,MAprice,i+1);
      }
 
         
//========== COLOR CODING ===========================================               
        
       ExtMapBuffer3[i] = MA_Cur; //red 
       ExtMapBuffer2[i] = MA_Cur; //green
       ExtMapBuffer1[i] = MA_Cur; //yellow
       
        if (MA_Prev > MA_Cur)
        {
        ExtMapBuffer2[i] = EMPTY_VALUE;
        
        }
       else if (MA_Prev < MA_Cur) 
        {
        ExtMapBuffer1[i] = EMPTY_VALUE; //-1 red/greem tight
        
        }
         else 
         {
         
         ExtMapBuffer1[i]=EMPTY_VALUE;//EMPTY_VALUE;
         ExtMapBuffer2[i]=EMPTY_VALUE;//EMPTY_VALUE;
         }
        
      }
    
      NeedRedraw=false;
      
      return(0);
  }
//+------------------------------------------------------------------+

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