Test_EnvelopesOnArray

//+------------------------------------------------------------------+
//|                                        Test_EnvelopesOnArray.mq5 |
//|                                                          Integer |
//|                          https://login.mql5.com/ru/users/Integer |
//+------------------------------------------------------------------+
#property copyright "Integer"
#property link      "https://login.mql5.com/ru/users/Integer"
#property version   "1.00"
//---
#property indicator_chart_window
#property indicator_buffers 4
#property indicator_plots   3
//--- plot Label1
#property indicator_label1  "Label1"
#property indicator_type1   DRAW_LINE
#property indicator_color1  clrRed
#property indicator_style1  STYLE_SOLID
#property indicator_width1  1
//--- plot Label2
#property indicator_label2  "Label2"
#property indicator_type2   DRAW_LINE
#property indicator_color2  clrRed
#property indicator_style2  STYLE_SOLID
#property indicator_width2  1
//--- plot Label3
#property indicator_label3  "Label3"
#property indicator_type3   DRAW_LINE
#property indicator_color3  clrRed
#property indicator_style3  STYLE_SOLID
#property indicator_width3  1
//---
input int               ENPeriod    =  14;
input ENUM_MA_METHOD    ENMethod    =  MODE_SMA;
input double            ENDeviation =  0.1;
//--- indicator buffers
double         UBuffer[];
double         LBuffer[];
double         CBuffer[];
double         data[];
#include <IncOnArray/IncEnvelopesOnArray.mqh>
CEnvelopesOnArray en;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
   en.Init(ENPeriod,ENMethod,ENDeviation);

//--- indicator buffers mapping
   SetIndexBuffer(0,UBuffer,INDICATOR_DATA);
   SetIndexBuffer(1,LBuffer,INDICATOR_DATA);
   SetIndexBuffer(2,CBuffer,INDICATOR_DATA);
   SetIndexBuffer(3,data,INDICATOR_CALCULATIONS);

   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,en.BarsRequired());
   PlotIndexSetString(0,PLOT_LABEL,en.Name()+" Upper");

   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,en.BarsRequired());
   PlotIndexSetString(1,PLOT_LABEL,en.Name()+" Lower");

   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,en.BarsRequired());
   PlotIndexSetString(2,PLOT_LABEL,en.Name()+" MA");

   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const int begin,
                const double &price[])
  {
   int start;
   if(prev_calculated>0)
     {
      start=prev_calculated-1;
     }
   else
     {
      start=0;
     }
   for(int i=start;i<rates_total;i++)
     {
      data[i]=price[i];
     }

   en.Solve(rates_total,prev_calculated,data,CBuffer,UBuffer,LBuffer);

   return(rates_total);
  }
//+------------------------------------------------------------------+