//+------------------------------------------------------------------+ //| Heiken Ashi.mq4 | //| Copyright 2006-2014, MetaQuotes Software Corp. | //| http://www.mql4.com | //+------------------------------------------------------------------+ #property copyright "2006-2014, MetaQuotes Software Corp." #property link "http://www.mql4.com" #property description "We recommend next chart settings (press F8 or select menu 'Charts'->'Properties...'):" #property description " - on 'Color' Tab select 'Black' for 'Line Graph'" #property description " - on 'Common' Tab disable 'Chart on Foreground' checkbox and select 'Line Chart' radiobutton" #property strict #property indicator_chart_window #property indicator_buffers 4 #property indicator_color1 Red #property indicator_color2 White #property indicator_color3 Red #property indicator_color4 White #property indicator_width1 1 #property indicator_width2 1 #property indicator_width3 3 #property indicator_width4 3 //--- input color ExtColor1 = Red; // Shadow of bear candlestick input color ExtColor2 = White; // Shadow of bull candlestick input color ExtColor3 = Red; // Bear candlestick body input color ExtColor4 = White; // Bull candlestick body //--- buffers double ExtLowHighBuffer[]; double ExtHighLowBuffer[]; double ExtOpenBuffer[]; double ExtCloseBuffer[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //|------------------------------------------------------------------| void OnInit(void) { IndicatorShortName("Heiken Ashi"); IndicatorDigits(Digits); //--- indicator lines SetIndexStyle(0,DRAW_HISTOGRAM,0,1,ExtColor1); SetIndexBuffer(0,ExtLowHighBuffer); SetIndexStyle(1,DRAW_HISTOGRAM,0,1,ExtColor2); SetIndexBuffer(1,ExtHighLowBuffer); SetIndexStyle(2,DRAW_HISTOGRAM,0,3,ExtColor3); SetIndexBuffer(2,ExtOpenBuffer); SetIndexStyle(3,DRAW_HISTOGRAM,0,3,ExtColor4); SetIndexBuffer(3,ExtCloseBuffer); //--- SetIndexLabel(0,"Low/High"); SetIndexLabel(1,"High/Low"); SetIndexLabel(2,"Open"); SetIndexLabel(3,"Close"); SetIndexDrawBegin(0,10); SetIndexDrawBegin(1,10); SetIndexDrawBegin(2,10); SetIndexDrawBegin(3,10); //--- indicator buffers mapping SetIndexBuffer(0,ExtLowHighBuffer); SetIndexBuffer(1,ExtHighLowBuffer); SetIndexBuffer(2,ExtOpenBuffer); SetIndexBuffer(3,ExtCloseBuffer); //--- initialization done } //+------------------------------------------------------------------+ //| Heiken Ashi | //+------------------------------------------------------------------+ 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[]) { int i,pos; double haOpen,haHigh,haLow,haClose; //--- if(rates_total<=10) return(0); //--- counting from 0 to rates_total ArraySetAsSeries(ExtLowHighBuffer,false); ArraySetAsSeries(ExtHighLowBuffer,false); ArraySetAsSeries(ExtOpenBuffer,false); ArraySetAsSeries(ExtCloseBuffer,false); ArraySetAsSeries(open,false); ArraySetAsSeries(high,false); ArraySetAsSeries(low,false); ArraySetAsSeries(close,false); //--- preliminary calculation if(prev_calculated>1) pos=prev_calculated-1; else { //--- set first candle if(open[0]