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///////////////////////////////////////////////////////
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//
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// SaherElm IT Center MQL5 MA Candle Indicator
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// ---------------------------------------------
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// Name: XMACCandle
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// Description: Moving Average Indicator which
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// colorified Candle based on price state ...
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//
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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 XMAC Indicator"
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#property strict
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//
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// START Constants ...
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//
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#define ShortName "XMACC"
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//
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// END Constants ...
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//
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//
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// START Inputs ...
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//
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input int maPeriod = 14; // Period
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input int maShift = 0; // Shift
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input ENUM_MA_METHOD maMethod = MODE_SMA; // Method
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input ENUM_APPLIED_PRICE maAppliedTo = PRICE_CLOSE; // Applied To
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//
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// END Inputs ...
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//
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//
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// Includes Logging Library ...
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#include "../Libraries/x-saherelm.log.lib.mq5";
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//
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// START Buffers ...
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//
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#property indicator_chart_window
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//
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#property indicator_buffers 6
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#property indicator_plots 1
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//
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// maBuffer ...
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#define openBufferIndex 0
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#define highBufferIndex 1
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#define lowBufferIndex 2
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#define closeBufferIndex 3
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#define colorsIndex 4
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#define maBufferIndex 5
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double openBuffer[];
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double highBuffer[];
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double lowBuffer[];
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double closeBuffer[];
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double colors[];
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#property indicator_label1 "Open; High; Low; Close;"
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#property indicator_type1 DRAW_COLOR_CANDLES
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#property indicator_color1 clrLime, clrGray, clrRed
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 1
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//
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// END Buffers ...
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//
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//
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// START Global Definitions: Variables, Properties and etc ...
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//
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double maBuffer[];
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int maHandler = INVALID_HANDLE;
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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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//
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// Validate Inputs ...
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if (!ValidateInputs())
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{
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return INIT_PARAMETERS_INCORRECT;
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}
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//
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logTag = ShortName;
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//
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// Initializing MA Handler ...
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maHandler = iMA(
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_Symbol,
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_Period,
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maPeriod,
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maShift,
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maMethod,
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maAppliedTo);
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if (maHandler == INVALID_HANDLE)
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{
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//
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string message = "Error Initializing Ma Handler ...";
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LogMessage(message);
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//
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return INIT_FAILED;
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}
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//
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// Define Index Buffers ...
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DefineBuffers();
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//
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// Set Indicator ShortName ...
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SetIndicatorName();
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//
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// Init Succeed ...
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return INIT_SUCCEEDED;
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}
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//
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// DeInitialization ...
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void OnDeinit(const int reason)
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{
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//
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// REASON_PROGRAM 0 The EA has stopped working calling the ExpertRemove() function
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// REASON_REMOVE 1 Program removed from a chart
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// REASON_RECOMPILE 2 Program recompiled
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// REASON_CHARTCHANGE 3 A symbol or a chart period is changed
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// REASON_CHARTCLOSE 4 Chart closed
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// REASON_PARAMETERS 5 Inputs changed by a user
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// REASON_ACCOUNT 6 Another account has been activated or reconnection to the trade server has occurred due to changes in the account settings
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// REASON_TEMPLATE 7 Another chart template applied
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// REASON_INITFAILED 8 The OnInit() handler returned a non-zero value
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// REASON_CLOSE 9 Terminal closed
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//
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// Here we can handle De Initialization Reasons ...
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}
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//
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// Calculations ...
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//
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// Calculating what we want ...
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int OnCalculate(
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//
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// total Candles on chart ...
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const int rates_total,
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//
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// total calculated Candles on charts ...
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const int prev_calculated,
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//
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// history of Candles Open Time ...
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const datetime &time[],
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//
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// history of Candles Open Price ...
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const double &open[],
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//
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// history of Candles High Price ...
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const double &high[],
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//
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// history of Candles Low Price ...
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const double &low[],
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//
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// history of Candles Close Price ...
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const double &close[],
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//
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// history of Tick Volumes on Candle ...
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const long &tick_volume[],
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//
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// history of Trade Volumes ...
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const long &volume[],
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//
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// history of Candles Spread Price ...
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const int &spread[])
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{
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//
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// Prepare Buffers ...
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ArraySetAsSeries(time, true);
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ArraySetAsSeries(open, true);
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ArraySetAsSeries(high, true);
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ArraySetAsSeries(low, true);
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ArraySetAsSeries(close, true);
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ArraySetAsSeries(tick_volume, true);
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ArraySetAsSeries(volume, true);
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ArraySetAsSeries(spread, true);
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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, maPeriod);
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//
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// Check Calculated Bars ...
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int maCalculatedBars = BarsCalculated(maHandler);
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if (maCalculatedBars < maxLength)
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{
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return prev_calculated;
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}
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//
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// Calculate Limit ...
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limit = prev_calculated < maxLength ? rates_total - (maxLength + 1) : rates_total - prev_calculated;
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//
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// Prepare Copy Buffers ...
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bool isBuffersPrepared = PrepareBuffers(limit);
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if (!isBuffersPrepared) {
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return prev_calculated;
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}
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//
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// Main Loop ...
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for (int i = limit; i >= 0 && !IsStopped(); i--)
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{
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//
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CalculateColorBuffer(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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// Validate Input Args for Initialization ...
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bool ValidateInputs()
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{
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//
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bool result = false;
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//
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// Validate Args ...
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if (maPeriod >= 2)
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{
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result = true;
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}
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//
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return result;
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}
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//
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// Define Indexes and Styles ...
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void DefineBuffers()
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{
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//
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// Open Buffer ...
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ArraySetAsSeries(openBuffer, true);
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SetIndexBuffer(openBufferIndex, openBuffer, INDICATOR_DATA);
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PlotIndexSetInteger(openBufferIndex, PLOT_DRAW_BEGIN, maPeriod);
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//
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// High Buffer ...
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ArraySetAsSeries(highBuffer, true);
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SetIndexBuffer(highBufferIndex, highBuffer, INDICATOR_DATA);
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PlotIndexSetInteger(highBufferIndex, PLOT_DRAW_BEGIN, maPeriod);
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//
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// Low Buffer ...
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ArraySetAsSeries(lowBuffer, true);
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SetIndexBuffer(lowBufferIndex, lowBuffer, INDICATOR_DATA);
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PlotIndexSetInteger(lowBufferIndex, PLOT_DRAW_BEGIN, maPeriod);
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//
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// Close Buffer ...
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ArraySetAsSeries(closeBuffer, true);
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SetIndexBuffer(closeBufferIndex, closeBuffer, INDICATOR_DATA);
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PlotIndexSetInteger(closeBufferIndex, PLOT_DRAW_BEGIN, maPeriod);
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//
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// Colors ...
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ArraySetAsSeries(colors, true);
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SetIndexBuffer(colorsIndex, colors, INDICATOR_COLOR_INDEX);
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//
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// Ma Buffer ...
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ArraySetAsSeries(maBuffer, true);
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SetIndexBuffer(maBufferIndex, maBuffer, INDICATOR_CALCULATIONS);
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}
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//
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// Set Indicator Short Name and also we can define Buffers Labels ...
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void SetIndicatorName()
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{
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//
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string indicatorShortName = "";
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StringConcatenate(indicatorShortName, ShortName, " ", "( ", maPeriod, " )");
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//
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IndicatorSetString(INDICATOR_SHORTNAME, indicatorShortName);
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}
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//
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// Prepare Buffers ...
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bool PrepareBuffers(int count) {
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//
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// Copy MaBuffer ...
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int maCopied = CopyBuffer(maHandler, 0, 0, count, maBuffer);
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if (maCopied <= maPeriod) {
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return false;
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}
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//
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// Copy OHLC Buffers ...
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CopyOpen(_Symbol, _Period, 0, count, openBuffer);
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CopyHigh(_Symbol, _Period, 0, count, highBuffer);
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CopyLow(_Symbol, _Period, 0, count, lowBuffer);
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CopyClose(_Symbol, _Period, 0, count, closeBuffer);
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//
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return true;
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}
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//
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// Setting Ma Color ...
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void CalculateColorBuffer(int bar_index)
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{
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//
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double low = iLow(
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_Symbol,
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_Period,
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bar_index);
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//
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double high = iHigh(
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_Symbol,
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_Period,
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bar_index);
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//
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double clrValue =
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maBuffer[bar_index] < low ? 0 : maBuffer[bar_index] > high ? 2
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: 1;
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//
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colors[bar_index] = clrValue;
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}
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//
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// END Functions ...
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//
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