//+------------------------------------------------------------------+ //| DSMA_Pro.mq5 | //| Copyright 2025, xxxxxxxx| //| | //+------------------------------------------------------------------+ #property copyright "Copyright 2025, xxxxxxxx" #property version "1.00" #property description "John Ehlers' DSMA (Deviation Scaled Moving Average)." #property indicator_chart_window #property indicator_buffers 1 #property indicator_plots 1 #property indicator_label1 "DSMA" #property indicator_type1 DRAW_LINE #property indicator_color1 clrBlue #property indicator_style1 STYLE_SOLID #property indicator_width1 1 #include //--- Input Parameters --- input int InpPeriod = 40; // Critical Period for the filter input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD; //--- Indicator Buffers --- double BufferDSMA[]; //--- Global calculator object --- CDSMACalculator *g_calculator; //+------------------------------------------------------------------+ int OnInit() { SetIndexBuffer(0, BufferDSMA, INDICATOR_DATA); ArraySetAsSeries(BufferDSMA, false); if(InpSourcePrice <= PRICE_HA_CLOSE) { g_calculator = new CDSMACalculator_HA(); IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("DSMA HA(%d)", InpPeriod)); } else { g_calculator = new CDSMACalculator(); IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("DSMA(%d)", InpPeriod)); } if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod)) { Print("Failed to initialize DSMA Calculator."); return(INIT_FAILED); } PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriod + 2); IndicatorSetInteger(INDICATOR_DIGITS, _Digits); 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, BufferDSMA); return(rates_total); } //+------------------------------------------------------------------+ //+------------------------------------------------------------------+