temacandle

//+------------------------------------------------------------------+
//|                                                   TEMACandle.mq5 |
//|                               Copyright © 2013, Nikolay Kositsin | 
//|                              Khabarovsk,   farria@mail.redcom.ru | 
//+------------------------------------------------------------------+
#property copyright "Copyright © 2013, Nikolay Kositsin"
#property link "farria@mail.redcom.ru"
#property description "TEMACandle"
//--- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà               |
//+----------------------------------------------+
//--- îòðèñîâêà èíäèêàòîðà â îòäåëüíîì îêíå
#property indicator_separate_window
//--- äëÿ ðàñ÷åòà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî ïÿòü áóôåðîâ
#property indicator_buffers 5
//--- èñïîëüçîâàíî âñåãî îäíî ãðàôè÷åñêîå ïîñòðîåíèå
#property indicator_plots   1
//--- â êà÷åñòâå èíäèêàòîðà èñïîëüçîâàíû öâåòíûå ñâå÷è
#property indicator_type1   DRAW_COLOR_CANDLES
#property indicator_color1   clrOrange,clrGray,clrAqua
//--- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "TEMACandle Open;TEMACandle High;TEMACandle Low;TEMACandle Close"
//+----------------------------------------------+
//| îáúÿâëåíèå êîíñòàíò                          |
//+----------------------------------------------+
#define RESET  0 // Êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷åò èíäèêàòîðà
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+
input uint Ind_Period=14;
//+----------------------------------------------+
//--- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå â äàëüíåéøåì
//--- áóäóò èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double ExtOpenBuffer[];
double ExtHighBuffer[];
double ExtLowBuffer[];
double ExtCloseBuffer[];
double ExtColorBuffer[];
//--- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
int min_rates_total;
//--- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int Ind_Handle[4];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- èíèöèàëèçàöèÿ ãëîáàëüíûõ ïåðåìåííûõ 
   min_rates_total=int(Ind_Period);
//--- ïîëó÷åíèå õåíäëîâ èíäèêàòîðà iTEMA
   Ind_Handle[0]=iTEMA(NULL,0,Ind_Period,0,PRICE_OPEN);
   if(Ind_Handle[0]==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iTEMA["+string(0)+"]!");
      return(INIT_FAILED);
     }
//---
   Ind_Handle[1]=iTEMA(NULL,0,Ind_Period,0,PRICE_HIGH);
   if(Ind_Handle[1]==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iTEMA["+string(1)+"]!");
      return(INIT_FAILED);
     }
//---
   Ind_Handle[2]=iTEMA(NULL,0,Ind_Period,0,PRICE_LOW);
   if(Ind_Handle[2]==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iTEMA["+string(2)+"]!");
      return(INIT_FAILED);
     }
//---
   Ind_Handle[3]=iTEMA(NULL,0,Ind_Period,0,PRICE_CLOSE);
   if(Ind_Handle[3]==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iTEMA["+string(3)+"]!");
      return(INIT_FAILED);
     }
//--- ïðåâðàùåíèå äèíàìè÷åñêèõ ìàññèâîâ â èíäèêàòîðíûå áóôåðû
   SetIndexBuffer(0,ExtOpenBuffer,INDICATOR_DATA);
   SetIndexBuffer(1,ExtHighBuffer,INDICATOR_DATA);
   SetIndexBuffer(2,ExtLowBuffer,INDICATOR_DATA);
   SetIndexBuffer(3,ExtCloseBuffer,INDICATOR_DATA);
//--- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â öâåòîâîé, èíäåêñíûé áóôåð   
   SetIndexBuffer(4,ExtColorBuffer,INDICATOR_COLOR_INDEX);
//--- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðàõ êàê â òàéìñåðèÿõ
   ArraySetAsSeries(ExtOpenBuffer,true);
   ArraySetAsSeries(ExtHighBuffer,true);
   ArraySetAsSeries(ExtLowBuffer,true);
   ArraySetAsSeries(ExtCloseBuffer,true);
   ArraySetAsSeries(ExtColorBuffer,true);
//--- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 1
   PlotIndexSetInteger(4,PLOT_DRAW_BEGIN,min_rates_total);
//--- óñòàíîâêà ôîðìàòà òî÷íîñòè îòîáðàæåíèÿ èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
//--- èìÿ äëÿ îêîí äàííûõ è ìåòêà äëÿ ñóáúîêîí 
   string short_name="TEMACandl";
   IndicatorSetString(INDICATOR_SHORTNAME,short_name);
//--- çàâåðøåíèå èíèöèàëèçàöèè
   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[])
  {
//--- ïðîâåðêà êîëè÷åñòâà áàðîâ íà äîñòàòî÷íîñòü äëÿ ðàñ÷åòà
   if(BarsCalculated(Ind_Handle[0])<rates_total
      || BarsCalculated(Ind_Handle[1])<rates_total
      || BarsCalculated(Ind_Handle[2])<rates_total
      || BarsCalculated(Ind_Handle[3])<rates_total
      || rates_total<min_rates_total)
      return(RESET);
//--- îáúÿâëåíèÿ ëîêàëüíûõ ïåðåìåííûõ 
   int to_copy,limit,bar;
//--- ðàñ÷åòû íåîáõîäèìîãî êîëè÷åñòâà êîïèðóåìûõ äàííûõ è ñòàðòîâîãî íîìåðà limit äëÿ öèêëà ïåðåñ÷åòà áàðîâ
   if(prev_calculated>rates_total || prev_calculated<=0)// ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷åòà èíäèêàòîðà
     {
      limit=rates_total-1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà âñåõ áàðîâ
     }
   else
     {
      limit=rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ
     }
//---
   to_copy=limit+1;
//--- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâû
   if(CopyBuffer(Ind_Handle[0],0,0,to_copy,ExtOpenBuffer)<=0) return(RESET);
   if(CopyBuffer(Ind_Handle[1],0,0,to_copy,ExtHighBuffer)<=0) return(RESET);
   if(CopyBuffer(Ind_Handle[2],0,0,to_copy,ExtLowBuffer)<=0) return(RESET);
   if(CopyBuffer(Ind_Handle[3],0,0,to_copy,ExtCloseBuffer)<=0) return(RESET);
//--- îñíîâíîé öèêë èñïðàâëåíèÿ è îêðàøèâàíèÿ ñâå÷åé
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      double Max=MathMax(ExtOpenBuffer[bar],ExtCloseBuffer[bar]);
      double Min=MathMin(ExtOpenBuffer[bar],ExtCloseBuffer[bar]);
      //---
      ExtHighBuffer[bar]=MathMax(Max,ExtHighBuffer[bar]);
      ExtLowBuffer[bar]=MathMin(Min,ExtLowBuffer[bar]);
      //---
      if(ExtOpenBuffer[bar]<ExtCloseBuffer[bar]) ExtColorBuffer[bar]=2.0;
      else if(ExtOpenBuffer[bar]>ExtCloseBuffer[bar]) ExtColorBuffer[bar]=0.0;
      else ExtColorBuffer[bar]=1.0;
     }
//---     
   return(rates_total);
  }
//+------------------------------------------------------------------+