67 lines
2.5 KiB
MQL5
67 lines
2.5 KiB
MQL5
//+------------------------------------------------------------------+
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//| ColourMA.mq5 |
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//| Copyright 2018, Benjamin Pillet |
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//| |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2018, Benjamin Pillet"
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#property link ""
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#property version "1.00"
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#property indicator_chart_window
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#property indicator_buffers 1
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#property indicator_plots 1
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//--- plot MA
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#property indicator_label1 "MA"
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 clrRed
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 1
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//--- input parameters
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input ENUM_TIMEFRAMES TF;
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input int period;
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input ENUM_MA_METHOD Method;
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input color Colour;
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//--- indicator handle and buffer
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int MAHandle;
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double MABuffer[];
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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//--- indicator buffers mapping
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SetIndexBuffer(0,MABuffer,INDICATOR_DATA);
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PlotIndexSetInteger(0,PLOT_LINE_COLOR,0,Colour);
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MAHandle = iMA(_Symbol,TF,period,0,Method,PRICE_CLOSE);
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//---
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator iteration function |
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//+------------------------------------------------------------------+
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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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//--- copy MA buffer
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int toCopy;
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if(prev_calculated>rates_total || prev_calculated<=0) toCopy=rates_total;
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else
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{
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toCopy=rates_total-prev_calculated;
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//--- last value is always copied
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toCopy++;
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}
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CopyBuffer(MAHandle,0,0,toCopy,MABuffer);
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//--- return value of prev_calculated for next call
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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