modified overlay chart

ÿþ//+------------------------------------------------------------------+

//|                                       OverLay Chart.mq4 Ver.1.10 |

//|                                      Copyright© 2006-2007 S.B.T. |

//|                                     http://sufx.core.t3-ism.net/ |

//+------------------- DO NOT REMOVE THIS HEADER --------------------+

//|  This script is free to use/distribute/modify and re-distribute. |

//|                                  (Limited to noncommercial use.) |

//+------------------------------------------------------------------+



//Indicator Properties

#property strict

#property version   "1.00"

#property copyright "Copyright© 2006 S.B.T."

#property link      "http://sufx.core.t3-ism.net/"

#property indicator_chart_window

#property indicator_buffers 4





//Indicator Parameters

extern string SubSymbol = "USDJPY";

extern color BullBarColor = MediumSeaGreen;

extern color BearBarColor = Orange;

extern color GridColor = Black;

extern bool Mirroring = false;

extern int SET_CENTER=1000;

double center,sub_center;





//Global Variables

string Prefix; //Indicator Prefix

int Grid = 10; //Grid Lines

int SnapPips = 10;  //Snap Pips For Grid Lines





//Indicator Buffers

double ExtMapBuffer1[];

double ExtMapBuffer2[];

double ExtMapBuffer3[];

double ExtMapBuffer4[];







//+------------------------------------------------------------------+

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+

int init() {

center=iClose(Symbol(),0,SET_CENTER);

sub_center=iClose(SubSymbol,0,SET_CENTER);

   //Initialize Indexes

   Prefix = "OverLayChart" + SubSymbol;



   IndicatorShortName( "OverLay Chart( " + SubSymbol + " )" );



   SetIndexBuffer( 0, ExtMapBuffer1 );

   SetIndexBuffer( 1, ExtMapBuffer2 );

   SetIndexBuffer( 2, ExtMapBuffer3 );

   SetIndexBuffer( 3, ExtMapBuffer4 );



   SetIndexStyle( 0, DRAW_HISTOGRAM, DRAW_LINE, 1, BullBarColor );

   SetIndexStyle( 1, DRAW_HISTOGRAM, DRAW_LINE, 1, BearBarColor );

   SetIndexStyle ( 2, DRAW_HISTOGRAM, DRAW_LINE, 3, BullBarColor );

   SetIndexStyle( 3, DRAW_HISTOGRAM, DRAW_LINE, 3, BearBarColor );



   SetIndexEmptyValue( 0, 0.0 );

   SetIndexEmptyValue( 1, 0.0 );

   SetIndexEmptyValue( 2, 0.0 );

   SetIndexEmptyValue( 3, 0.0 );





   return( 0 );

}







//+------------------------------------------------------------------+

//| Custom indicator deinitialization function                       |

//+------------------------------------------------------------------+

int deinit() {

   int _i;

   

   



   //Delete Objects

	ObjectDelete( Prefix + "Status" );

	ObjectDelete( Prefix + "Copyright" );



	for ( _i = 1; _i <= Grid ; _i ++ ) {

   	ObjectDelete( Prefix + "Grid" + _i );

   	ObjectDelete( Prefix + "Price" + _i );

   }





   return( 0 );

}







//+------------------------------------------------------------------+

//| Custom indicator iteration function                              |

//+------------------------------------------------------------------+

int start() {

   int _BarsCount;

   double _CurRangeHigh, _CurRangeLow, _CurRangeCenter;

   double _SubRangeHigh, _SubRangeLow, _SubRangeCenter;

   double _SubPoint, _SubDigit;

   double _SubOpen, _SubHigh, _SubLow, _SubClose;

   double _PipsRatio;

   double _GridPips, _GridPrice;

   int _i;







   //Initialize Buffers

	RefreshRates();



   ArrayInitialize( ExtMapBuffer1, 0.0 );

   ArrayInitialize( ExtMapBuffer2, 0.0 );

   ArrayInitialize( ExtMapBuffer3, 0.0 );

   ArrayInitialize( ExtMapBuffer4, 0.0 );





   //Calculate Visible Bars

   _BarsCount = 100000;

   int _FirstBar = 0;

  // int _LastBar = _FirstBar - _BarsCount + 1;

  // if ( _LastBar < 0 ) {

      int _LastBar = 0;

      _BarsCount = 100000;

   





   //Calculate Chart Ratio

   _CurRangeHigh = High[Highest(NULL, 0, MODE_HIGH, _BarsCount, _LastBar)];

   _CurRangeLow = Low[Lowest(NULL, 0, MODE_LOW, _BarsCount, _LastBar)];

   _CurRangeCenter = center;



   if ( Mirroring ) {

      _SubRangeHigh = iLow( SubSymbol, 0, Lowest( SubSymbol, 0, MODE_LOW, _BarsCount, _LastBar ) );

      _SubRangeLow = iHigh( SubSymbol, 0, Highest( SubSymbol, 0, MODE_HIGH, _BarsCount, _LastBar ) );

   } else {

      _SubRangeHigh = iHigh( SubSymbol, 0, Highest( SubSymbol, 0, MODE_HIGH, _BarsCount, _LastBar ) );

      _SubRangeLow = iLow( SubSymbol, 0, Lowest( SubSymbol, 0, MODE_LOW, _BarsCount, _LastBar ) );

   }



   _SubRangeCenter = sub_center;

   _SubPoint = MarketInfo( SubSymbol, MODE_POINT );

   _SubDigit = MarketInfo( SubSymbol, MODE_DIGITS );



   _PipsRatio = center/sub_center;



   _GridPips = ( _SubRangeHigh - _SubRangeLow ) / Grid;

   _GridPips = MathRound( ( _SubRangeHigh - _SubRangeLow ) / Grid / ( _SubPoint * SnapPips ) ) * ( _SubPoint * SnapPips );





   //Draw Candlesticks

	for ( _i = 0; _i < 100000; _i ++ ) {

      _SubOpen = iOpen( SubSymbol, 0, _i ) - sub_center;

      _SubHigh = iHigh( SubSymbol, 0, _i ) - sub_center;

      _SubLow = iLow( SubSymbol, 0, _i ) - sub_center;

      _SubClose = iClose( SubSymbol, 0, _i ) - sub_center;



      if ( Mirroring ) {

         if ( _SubOpen < _SubClose ) {

            ExtMapBuffer2[_i] = _CurRangeCenter + _SubHigh * _PipsRatio;

            ExtMapBuffer1[_i] = _CurRangeCenter + _SubLow * _PipsRatio;

         } else {

            ExtMapBuffer2[_i] = _CurRangeCenter + _SubLow * _PipsRatio;

            ExtMapBuffer1[_i] = _CurRangeCenter + _SubHigh * _PipsRatio;

         }



         ExtMapBuffer4[_i] = _CurRangeCenter + _SubClose * _PipsRatio;

         ExtMapBuffer3[_i] = _CurRangeCenter + _SubOpen * _PipsRatio;

      } else {

         if ( _SubOpen < _SubClose ) {

            ExtMapBuffer1[_i] = _CurRangeCenter + _SubHigh * _PipsRatio;

            ExtMapBuffer2[_i] = _CurRangeCenter + _SubLow * _PipsRatio;

         } else {

            ExtMapBuffer1[_i] = _CurRangeCenter + _SubLow * _PipsRatio;

            ExtMapBuffer2[_i] = _CurRangeCenter + _SubHigh * _PipsRatio;

         }

         ExtMapBuffer3[_i] = _CurRangeCenter + _SubClose * _PipsRatio;

         ExtMapBuffer4[_i] = _CurRangeCenter + _SubOpen * _PipsRatio;

      }

   }





   //Draw Objects

   ObjectCreate( Prefix + "Copyright", OBJ_LABEL, 0, 0, 0 );

	ObjectSet( Prefix + "Copyright", OBJPROP_COLOR, GridColor );

   ObjectSet( Prefix + "Copyright", OBJPROP_CORNER, 3 );

   ObjectSet( Prefix + "Copyright", OBJPROP_XDISTANCE, 4 );

   ObjectSet( Prefix + "Copyright", OBJPROP_YDISTANCE, 4 );

   ObjectSetText( Prefix + "Copyright", "OverLay Chart by S.B.T.", 8 );



   ObjectCreate( Prefix + "Status", OBJ_LABEL, 0, 0, 0 );

	ObjectSet( Prefix + "Status", OBJPROP_COLOR, GridColor );

   ObjectSet( Prefix + "Status", OBJPROP_CORNER, 0 );

   ObjectSet( Prefix + "Status", OBJPROP_XDISTANCE, 4 );

   ObjectSet( Prefix + "Status", OBJPROP_YDISTANCE, 16 );

   ObjectSetText( Prefix + "Status",

                  SubSymbol + " O = " + DoubleToStr( iOpen( SubSymbol, 0, _LastBar ), _SubDigit ) +

                  ", H = " + DoubleToStr( iHigh( SubSymbol, 0, _LastBar ), _SubDigit ) +

                  ", L = " + DoubleToStr( iLow( SubSymbol, 0, _LastBar ), _SubDigit ) +

                  ", C = " + DoubleToStr( iClose( SubSymbol, 0, _LastBar ), _SubDigit ),

                  8 );



	for ( _i = 1; _i <= Grid ; _i ++ ) {

      _GridPrice = MathRound( _SubRangeCenter / ( _SubPoint * SnapPips ) ) * ( _SubPoint * SnapPips );

      _GridPrice = ( ( _GridPrice + _GridPips / 2 ) + _GridPips * ( Grid / 2 - 1 ) ) - ( _GridPips * ( _i - 1 ) );



		ObjectCreate( Prefix + "Grid" + _i, OBJ_TREND, 0, 0, 0 );

      ObjectSet( Prefix + "Grid" + _i, OBJPROP_TIME1, Time[_FirstBar] );

      ObjectSet( Prefix + "Grid" + _i, OBJPROP_PRICE1, _CurRangeCenter + ( _GridPrice - _SubRangeCenter ) * _PipsRatio );

      ObjectSet( Prefix + "Grid" + _i, OBJPROP_TIME2, Time[_LastBar] );

      ObjectSet( Prefix + "Grid" + _i, OBJPROP_PRICE2, _CurRangeCenter + ( _GridPrice - _SubRangeCenter ) * _PipsRatio );

		ObjectSet( Prefix + "Grid" + _i, OBJPROP_COLOR, GridColor );

		ObjectSet( Prefix + "Grid" + _i, OBJPROP_STYLE, STYLE_DOT );

		ObjectSet( Prefix + "Grid" + _i, OBJPROP_WIDTH, 1 );

		ObjectSet( Prefix + "Grid" + _i, OBJPROP_RAY, true );



		ObjectCreate( Prefix + "Price" + _i, OBJ_TEXT, 0, 0, 0 );

      ObjectSet( Prefix + "Price" + _i, OBJPROP_TIME1, Time[_FirstBar - _BarsCount / 10] );

      ObjectSet( Prefix + "Price" + _i, OBJPROP_PRICE1, _CurRangeCenter + ( _GridPrice - _SubRangeCenter ) * _PipsRatio );

		ObjectSet( Prefix + "Price" + _i, OBJPROP_COLOR, GridColor );

      ObjectSetText( Prefix + "Price" + _i, DoubleToStr( _GridPrice, _SubDigit ), 8 );

   }





   return( 0 );

}

//+------------------------------------------------------------------+