68 lines
2.4 KiB
Plaintext
68 lines
2.4 KiB
Plaintext
//+------------------------------------------------------------------+
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//| Bears.mq4 |
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//| Copyright 2005-2014, MetaQuotes Software Corp. |
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//| http://www.mql4.com |
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//+------------------------------------------------------------------+
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#property copyright "2005-2014, MetaQuotes Software Corp."
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#property link "http://www.mql4.com"
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#property description "Bears Power"
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#property strict
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//--- indicator settings
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#property indicator_separate_window
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#property indicator_buffers 1
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#property indicator_color1 Silver
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//--- input parameter
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input int InpBearsPeriod=13; // Bears Period
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//--- buffers
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double ExtBearsBuffer[];
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double ExtTempBuffer[];
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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void OnInit(void)
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{
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string short_name;
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//--- 1 additional buffer used for counting.
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IndicatorBuffers(2);
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IndicatorDigits(Digits);
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//--- indicator line
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SetIndexStyle(0,DRAW_HISTOGRAM);
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SetIndexBuffer(0,ExtBearsBuffer);
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SetIndexBuffer(1,ExtTempBuffer);
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//--- name for DataWindow and indicator subwindow label
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short_name="Bears("+IntegerToString(InpBearsPeriod)+")";
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IndicatorShortName(short_name);
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SetIndexLabel(0,short_name);
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}
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//+------------------------------------------------------------------+
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//| Bears Power |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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int limit=rates_total-prev_calculated;
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//---
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if(rates_total<=InpBearsPeriod)
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return(0);
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//---
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if(prev_calculated>0)
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limit++;
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for(int i=0; i<limit; i++)
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{
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ExtTempBuffer[i]=iMA(NULL,0,InpBearsPeriod,0,MODE_EMA,PRICE_CLOSE,i);
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ExtBearsBuffer[i]=low[i]-ExtTempBuffer[i];
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}
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//---
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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