173 lines
3.6 KiB
Plaintext
173 lines
3.6 KiB
Plaintext
///////////////////////////////////////////////////////
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//
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// SaherElm IT Center MA Indicator
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// ---------------------------------------------
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// saherelm implementation of above indicator ...
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// this indicator uses two ma line:
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// - fast ma;
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// - slow ma;
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//
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// Maintainer:
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// ------------
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// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
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//
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//////////////////////////////////////////////////////
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//
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// Global Properties ...
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#property copyright "Copyright 2023, SaherElm IT Center"
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#property link "https://saherelm.ir"
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#property version "1.00"
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#property description "SaherElm MA Indicator"
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#property strict
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//
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// START Inputs ...
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//
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//
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// Fast MA ...
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input int maLength = 20; // MA Length
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input int maShift = 0; // MA Shift
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input ENUM_MA_METHOD maMethod = MODE_EMA; // MA Method
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input ENUM_APPLIED_PRICE maAppliedPrice = PRICE_CLOSE; // MA Applied Price
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//
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// START Global Definitions: Variables, Properties and etc ...
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//
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#property indicator_chart_window
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//
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#property indicator_buffers 1
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//
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#property indicator_plots 1
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//
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// Start Define Indicator Buffer Styles ...
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//
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//
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// Fast Ma Buffer ...
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#property indicator_label1 "Ma"
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 clrYellow
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#property indicator_style1 STYLE_DOT
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#property indicator_width1 2
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//
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// End Define Indicator Buffer Styles ...
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//
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//
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// Buffers ...
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#define maBufferIndex 0
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double maBuffer[];
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//
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// END Global Definitions: Variables, Properties and etc ...
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//
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//
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// Start Event Handlers ...
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//
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//
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// Initialization ...
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int OnInit() {
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//
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// Initialize what we want ...
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if (maLength <= 0) {
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return INIT_PARAMETERS_INCORRECT;
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}
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//
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// Start Set Index Buffers ...
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//
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//
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// Ma ...
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SetIndexBuffer(maBufferIndex, maBuffer);
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SetIndexDrawBegin(maBufferIndex, maLength + 1);
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//
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// End Set Index Buffers ...
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//
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//
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return INIT_SUCCEEDED;
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}
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//
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// Calculating what we want ...
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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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//
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// this counts Available Bars ...
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int limit;
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//
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// because in some cases we may have more than one input for
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// calculation and we must prevent any calculation
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// untill we pass the biggest input length, here we get max Input length
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// and then wait until pass it ...
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int maxLength = MathMax(0, maLength);
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//
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// input variable, we return 0 means nothing passed ...
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if (rates_total < maxLength) {
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return 0;
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}
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//
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// found which candles calculated before ...
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limit = (prev_calculated == 0) ? rates_total - maxLength - 1 : rates_total - prev_calculated + 1;
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//
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// this is the main loop of calculations, for each bar index ...
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for (int i = limit - 1; i >= 0; i--) {
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//
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// Start Calculation here ...
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// i is bar_index ...
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//
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// Calculate Ma ...
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CalculateMa(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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// END Event Handlers ...
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//
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//
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// START Functions ...
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//
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//
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// Calculating Ma ...
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void CalculateMa(
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const int &bar_index
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) {
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//
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// Calculating Fast Ma ...
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double ma = iMA(
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_Symbol,
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_Period,
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maLength,
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maShift,
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maMethod,
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maAppliedPrice,
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bar_index
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);
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//
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maBuffer[bar_index] = ma;
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}
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//
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// END Functions ...
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// |