| //+------------------------------------------------------------------+
|
| //| ProjectName |
|
| //| Copyright 2020, CompanyName |
|
| //| http://www.companyname.net |
|
| //+------------------------------------------------------------------+
|
|
|
| //+------------------------------------------------------------------+
|
| //| Heiken_Ashi.mq5 |
|
| //| Copyright 2000-2025, MetaQuotes Ltd. |
|
| //| https://www.mql5.com |
|
| //+------------------------------------------------------------------+
|
| #property copyright "Copyright 2000-2025, MetaQuotes Ltd."
|
| #property link "https://www.mql5.com"
|
| //--- indicator settings
|
| #property indicator_chart_window
|
| #property indicator_buffers 5
|
| #property indicator_plots 1
|
| #property indicator_type1 DRAW_COLOR_CANDLES
|
| #property indicator_color1 clrDodgerBlue,clrRed
|
| #property indicator_label1 "Heiken Ashi Open;Heiken Ashi High;Heiken Ashi Low;Heiken Ashi Close"
|
| //--- indicator buffers
|
| double ExtOBuffer[];
|
| double ExtHBuffer[];
|
| double ExtLBuffer[];
|
| double ExtCBuffer[];
|
| double ExtColorBuffer[];
|
| //+------------------------------------------------------------------+
|
| //| Custom indicator initialization function |
|
| //+------------------------------------------------------------------+
|
| void OnInit()
|
| {
|
| //--- indicator buffers mapping
|
| SetIndexBuffer(0,ExtOBuffer,INDICATOR_DATA);
|
| SetIndexBuffer(1,ExtHBuffer,INDICATOR_DATA);
|
| SetIndexBuffer(2,ExtLBuffer,INDICATOR_DATA);
|
| SetIndexBuffer(3,ExtCBuffer,INDICATOR_DATA);
|
| SetIndexBuffer(4,ExtColorBuffer,INDICATOR_COLOR_INDEX);
|
| //---
|
| IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
|
| //--- sets first bar from what index will be drawn
|
| IndicatorSetString(INDICATOR_SHORTNAME,"Heiken Ashi");
|
| //--- sets drawing line empty value
|
| PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0.0);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| 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 start;
|
| //--- preliminary calculations
|
| if(prev_calculated==0)
|
| {
|
| ExtLBuffer[0]=low[0];
|
| ExtHBuffer[0]=high[0];
|
| ExtOBuffer[0]=open[0];
|
| ExtCBuffer[0]=close[0];
|
| start=1;
|
| }
|
| else
|
| start=prev_calculated-1;
|
|
|
| //--- the main loop of calculations
|
| for(int i=start; i<rates_total && !IsStopped(); i++)
|
| {
|
| double ha_open =(ExtOBuffer[i-1]+ExtCBuffer[i-1])/2;
|
| double ha_close=(open[i]+high[i]+low[i]+close[i])/4;
|
| double ha_high =MathMax(high[i],MathMax(ha_open,ha_close));
|
| double ha_low =MathMin(low[i],MathMin(ha_open,ha_close));
|
|
|
| ExtLBuffer[i]=ha_low;
|
| ExtHBuffer[i]=ha_high;
|
| ExtOBuffer[i]=ha_open;
|
| ExtCBuffer[i]=ha_close;
|
|
|
| //--- set candle color
|
| if(ha_open<ha_close)
|
| ExtColorBuffer[i]=0.0; // set color DodgerBlue
|
| else
|
| ExtColorBuffer[i]=1.0; // set color Red
|
| }
|
| //---
|
| return(rates_total);
|
| }
|
| //+------------------------------------------------------------------+
|
