Rainbow

//+------------------------------------------------------------------+
//|                                                          Rainbow |
//|                                       Copyright 2016, Il Anokhin |
//|                           http://www.mql5.com/en/users/ilanokhin |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2016, Il Anokhin"
#property link "http://www.mql5.com/en/users/ilanokhin"
#property description ""
#property strict
//-------------------------------------------------------------------------
// Indicator settings
//-------------------------------------------------------------------------
#property  indicator_chart_window
#property  indicator_buffers 7
#property  indicator_color1 Red
#property  indicator_color2 Orange
#property  indicator_color3 Gold
#property  indicator_color4 LimeGreen
#property  indicator_color5 DodgerBlue
#property  indicator_color6 Blue
#property  indicator_color7 DarkViolet
#property  indicator_width1 2
#property  indicator_width2 2
#property  indicator_width3 2
#property  indicator_width4 2
#property  indicator_width5 2
#property  indicator_width6 2
#property  indicator_width7 2
//-------------------------------------------------------------------------
// Inputs
//-------------------------------------------------------------------------
input bool MA1 = true;                          //Show Moving Average 1          
input int MAP1 = 10;                            //Moving Average 1 Period
input ENUM_MA_METHOD MAM1 = MODE_EMA;           //Moving Average 1 Method
input ENUM_APPLIED_PRICE PR1 = PRICE_CLOSE;     //Moving Average 1 Applied Price
input bool MA2 = true;                          //Show Moving Average 2 
input int MAP2 = 20;                            //Moving Average 2 Period
input ENUM_MA_METHOD MAM2 = MODE_EMA;           //Moving Average 2 Method
input ENUM_APPLIED_PRICE PR2 = PRICE_CLOSE;     //Moving Average 2 Applied Price
input bool MA3 = true;                          //Show Moving Average 3 
input int MAP3 = 30;                            //Moving Average 3 Period
input ENUM_MA_METHOD MAM3 = MODE_EMA;           //Moving Average 3 Method
input ENUM_APPLIED_PRICE PR3 = PRICE_CLOSE;     //Moving Average 3 Applied Price
input bool MA4 = true;                          //Show Moving Average 4 
input int MAP4 = 40;                            //Moving Average 4 Period
input ENUM_MA_METHOD MAM4 = MODE_EMA;           //Moving Average 4 Method
input ENUM_APPLIED_PRICE PR4 = PRICE_CLOSE;     //Moving Average 4 Applied Price
input bool MA5 = true;                          //Show Moving Average 5 
input int MAP5 = 50;                            //Moving Average 5 Period
input ENUM_MA_METHOD MAM5 = MODE_EMA;           //Moving Average 5 Method
input ENUM_APPLIED_PRICE PR5 = PRICE_CLOSE;     //Moving Average 5 Applied Price
input bool MA6 = true;                          //Show Moving Average 6 
input int MAP6 = 60;                            //Moving Average 6 Period
input ENUM_MA_METHOD MAM6 = MODE_EMA;           //Moving Average 6 Method
input ENUM_APPLIED_PRICE PR6 = PRICE_CLOSE;     //Moving Average 6 Applied Price
input bool MA7 = true;                          //Show Moving Average 7 
input int MAP7 = 70;                            //Moving Average 7 Period
input ENUM_MA_METHOD MAM7 = MODE_EMA;           //Moving Average 7 Method
input ENUM_APPLIED_PRICE PR7 = PRICE_CLOSE;     //Moving Average 7 Applied Price
//-------------------------------------------------------------------------
// Variables
//-------------------------------------------------------------------------
double m1[],m2[],m3[],m4[],m5[],m6[],m7[];
//-------------------------------------------------------------------------
// 1. Initialization
//-------------------------------------------------------------------------
int OnInit(void)
  {

   IndicatorBuffers(7);

   SetIndexStyle(0,DRAW_LINE);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexStyle(2,DRAW_LINE);
   SetIndexStyle(3,DRAW_LINE);
   SetIndexStyle(4,DRAW_LINE);
   SetIndexStyle(5,DRAW_LINE);
   SetIndexStyle(6,DRAW_LINE);

   SetIndexBuffer(0,m1);
   SetIndexBuffer(1,m2);
   SetIndexBuffer(2,m3);
   SetIndexBuffer(3,m4);
   SetIndexBuffer(4,m5);
   SetIndexBuffer(5,m6);
   SetIndexBuffer(6,m7);

   Comment("Copyright © 2016, Il Anokhin");

   return(INIT_SUCCEEDED);

  }
//-------------------------------------------------------------------------
// 2. Deinitialization
//-------------------------------------------------------------------------
int deinit() {return(0);}
//-------------------------------------------------------------------------
// 3. Main function
//-------------------------------------------------------------------------
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
  {

   int i,lim,cb;

   if(Bars<10) return(0);

   cb=IndicatorCounted();

   lim=Bars-cb;

   if(cb==0) lim=lim-11;

   if(cb>0) lim++;

//--- 3.1. Main loop ------------------------------------------------------

   for(i=0;i<lim;i++)
     {

      if(MA1==true) m1[i]=iMA(NULL,0,MAP1,0,MAM1,PR1,i);

      if(MA2==true) m2[i]=iMA(NULL,0,MAP2,0,MAM2,PR2,i);

      if(MA3==true) m3[i]=iMA(NULL,0,MAP3,0,MAM3,PR3,i);

      if(MA4==true) m4[i]=iMA(NULL,0,MAP4,0,MAM4,PR4,i);

      if(MA5==true) m5[i]=iMA(NULL,0,MAP5,0,MAM5,PR5,i);

      if(MA6==true) m6[i]=iMA(NULL,0,MAP6,0,MAM6,PR6,i);

      if(MA7==true) m7[i]=iMA(NULL,0,MAP7,0,MAM7,PR7,i);

     }

//--- 3.2. End of main function -------------------------------------------

   return(rates_total);

  }

//-------------------------------------------------------------------------