diff --git a/Indicators/MyIndicators/BandPass_Filter_Pro.mq5 b/Indicators/MyIndicators/BandPass_Filter_Pro.mq5 new file mode 100644 index 0000000..da8d609 --- /dev/null +++ b/Indicators/MyIndicators/BandPass_Filter_Pro.mq5 @@ -0,0 +1,88 @@ +//+------------------------------------------------------------------+ +//| BandPass_Filter_Pro.mq5 | +//| Copyright 2025, xxxxxxxx| +//| | +//+------------------------------------------------------------------+ +#property copyright "Copyright 2025, xxxxxxxx" +#property version "1.00" +#property description "John Ehlers' Band-Pass Filter, created by combining a High-Pass" +#property description "filter with a SuperSmoother filter." + +#property indicator_separate_window +#property indicator_buffers 1 +#property indicator_plots 1 +#property indicator_label1 "BandPass" +#property indicator_type1 DRAW_LINE +#property indicator_color1 clrBlue +#property indicator_style1 STYLE_SOLID +#property indicator_width1 1 + +#property indicator_level1 0.0 +#property indicator_levelstyle STYLE_SOLID +#property indicator_levelcolor clrGray + +#include + +//--- Input Parameters --- +input int InpLowerPeriod = 30; // Lower critical period (for High-Pass) +input int InpUpperPeriod = 15; // Upper critical period (for SuperSmoother) +input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD; + +//--- Indicator Buffers --- +double BufferBandPass[]; + +//--- Global calculator object --- +CBandPassCalculator *g_calculator; + +//+------------------------------------------------------------------+ +int OnInit() + { + SetIndexBuffer(0, BufferBandPass, INDICATOR_DATA); + ArraySetAsSeries(BufferBandPass, false); + + if(InpSourcePrice <= PRICE_HA_CLOSE) + { + g_calculator = new CBandPassCalculator_HA(); + IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("BandPass HA(%d,%d)", InpLowerPeriod, InpUpperPeriod)); + } + else + { + g_calculator = new CBandPassCalculator(); + IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("BandPass(%d,%d)", InpLowerPeriod, InpUpperPeriod)); + } + + if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpLowerPeriod, InpUpperPeriod)) + { + Print("Failed to initialize Band-Pass Filter Calculator."); + return(INIT_FAILED); + } + + PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, 10); + IndicatorSetInteger(INDICATOR_DIGITS, 2); + + return(INIT_SUCCEEDED); + } + +//+------------------------------------------------------------------+ +void OnDeinit(const int reason) + { + if(CheckPointer(g_calculator) != POINTER_INVALID) + delete g_calculator; + } + +//+------------------------------------------------------------------+ +int OnCalculate(const int rates_total, const int, const datetime&[], const double &open[], const double &high[], const double &low[], const double &close[], const long&[], const long&[], const int&[]) + { + if(CheckPointer(g_calculator) == POINTER_INVALID) + return 0; + + ENUM_APPLIED_PRICE price_type; + if(InpSourcePrice <= PRICE_HA_CLOSE) + price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice); + else + price_type = (ENUM_APPLIED_PRICE)InpSourcePrice; + + g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferBandPass); + return(rates_total); + } +//+------------------------------------------------------------------+