forked from rosh/MQL5Book
95 lines
3.4 KiB
MQL5
95 lines
3.4 KiB
MQL5
//+------------------------------------------------------------------+
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//| ObjectHighLowFiboMove.mq5 |
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//| Copyright 2021, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2021, MetaQuotes Ltd."
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#property link "https://www.mql5.com"
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#property version "1.0"
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#property description "Create fibo lines on highs and lows of specified range of bars and update it on new bars formation."
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#property indicator_chart_window
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#property indicator_buffers 0
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#property indicator_plots 0
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#include "..\..\Include\ColorMix.mqh"
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input int BarOffset = 0;
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input int BarCount = 24;
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const string Prefix = "HighLowFiboMove-";
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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 int begin,
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const double &price[])
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{
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static datetime now = 0;
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if(now != iTime(NULL, 0, 0)) // once per bar
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{
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const int hh = iHighest(NULL, 0, MODE_HIGH, BarCount, BarOffset);
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const int ll = iLowest(NULL, 0, MODE_LOW, BarCount, BarOffset);
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datetime t[2] = {iTime(NULL, 0, hh), iTime(NULL, 0, ll)};
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double p[2] = {iHigh(NULL, 0, hh), iLow(NULL, 0, ll)};
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DrawFibo(Prefix + "Fibo", t, p, clrGray);
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now = iTime(NULL, 0, 0);
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}
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return rates_total;
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}
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//+------------------------------------------------------------------+
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//| Helper function for object creation and setup |
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//+------------------------------------------------------------------+
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bool DrawFibo(const string name, const datetime &t[], const double &p[],
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const color clr)
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{
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if(ArraySize(t) != ArraySize(p)) return false;
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ObjectCreate(0, name, OBJ_FIBO, 0, 0, 0);
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// binding points
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for(int i = 0; i < ArraySize(t); ++i)
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{
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ObjectMove(0, name, i, t[i], p[i]);
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}
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// common settings
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ObjectSetInteger(0, name, OBJPROP_COLOR, clr);
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ObjectSetInteger(0, name, OBJPROP_RAY_RIGHT, true);
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// level settings
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const int n = (int)ObjectGetInteger(0, name, OBJPROP_LEVELS);
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for(int i = 0; i < n; ++i)
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{
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const color gradient = ColorMix::RotateColors(ColorMix::HSVtoRGB(0), ColorMix::HSVtoRGB(359), n, i);
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ObjectSetInteger(0, name, OBJPROP_LEVELCOLOR, i, gradient);
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const double level = ObjectGetDouble(0, name, OBJPROP_LEVELVALUE, i);
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if(level - (int)level > DBL_EPSILON * level)
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{
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ObjectSetInteger(0, name, OBJPROP_LEVELSTYLE, i, STYLE_DOT);
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ObjectSetInteger(0, name, OBJPROP_LEVELWIDTH, i, 1);
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}
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else
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{
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ObjectSetInteger(0, name, OBJPROP_LEVELSTYLE, i, STYLE_SOLID);
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ObjectSetInteger(0, name, OBJPROP_LEVELWIDTH, i, 2);
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}
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}
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return true;
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}
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//+------------------------------------------------------------------+
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//| Finalization handler |
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//+------------------------------------------------------------------+
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void OnDeinit(const int)
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{
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ObjectsDeleteAll(0, Prefix);
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}
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//+------------------------------------------------------------------+
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