3shadeopen

老王吧 发表于 2016-4-22 10:17:14

//+------------------------------------------------------------------+
//|                                                    3shadeopen.mq4 |
//|                                     Copyright © 2006, sx ted |
//| Purpose: shade New York or other sessions for chart time frames|
//|       M1 to H4 (at a push).                               |
//| version: 2 - enhanced for speed but with MT4 beeing so fast no |
//|          difference will be noticed, all the sessions are |
//|          shaded in the init(), last session if it is current |
//|          is widened in the start() in lieu of repainting all.|
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, sx ted"
#property link    ""

#property indicator_chart_window

//---- input parameters
extern color ShadeColor=Gold;

/*
// if in Moscow
#define NY_OPEN_HH 17 // NY session open hour
#define NY_OPEN_MM 30 // NY session open minutes
#define NY_CLOSE_HH00 // NY session close hour
#define NY_CLOSE_MM05 // NY session close minutes
*/

/* if in London
#define NY_OPEN_HH 14 // NY session open hour
#define NY_OPEN_MM 30 // NY session open minutes
#define NY_CLOSE_HH21 // NY session close hour
#define NY_CLOSE_MM05 // NY session close minutes
*/

// if in New York
#define NY_OPEN_HH 06 // NY session open hour
#define NY_OPEN_MM 30 // NY session open minutes
#define NY_CLOSE_HH13 // NY session close hour
#define NY_CLOSE_MM05 // NY session close minutes

#define MAX_DAYS_TO_SHADE5 // maximum number of days back from last chart date to be shaded

//---- global variables to program
string obj[]; //array of object names
int iPrevious=0, iStart=-1, iEnd;
double dLow, dHigh;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                      |
//+------------------------------------------------------------------+
int init()
{
if(Period()>PERIOD_H4) return(0); // no shading required
int iMaxBarsOnChart=iBars(NULL,0), i, iBarDay, iBarTime;
// find approximate start of first day to shade
int iBarsToDo=MathMin((MAX_DAYS_TO_SHADE*PERIOD_D1)/Period(),iMaxBarsOnChart);
// find start of first day to shade
for(i=iBarsToDo; i<iMaxBarsOnChart; i++)
{
   iBarDay=TimeYear(Time)*PERIOD_MN1*12+TimeMonth(Time)*PERIOD_MN1+TimeDay(Time)*PERIOD_D1;
   iBarTime=iBarDay+TimeHour(Time)*60+TimeMinute(Time);
   if(iBarTime>=iBarDay+NY_OPEN_HH*60+NY_OPEN_MM && iBarTime<=iBarDay+NY_CLOSE_HH*60+NY_CLOSE_MM) iStart=i;
   else if(iStart>-1) break;
}
if(iStart>-1) iBarsToDo=iStart;
iStart=-1;
// shade previous sessions and current session if started
for(i=iBarsToDo; i>=0; i--)
{
   iBarDay=TimeYear(Time)*PERIOD_MN1*12+TimeMonth(Time)*PERIOD_MN1+TimeDay(Time)*PERIOD_D1;
   iBarTime=iBarDay+TimeHour(Time)*60+TimeMinute(Time);
   if(iBarTime>=iBarDay+NY_OPEN_HH*60+NY_OPEN_MM && iBarTime<=iBarDay+NY_CLOSE_HH*60+NY_CLOSE_MM)
   {
      if(iBarDay==iPrevious) // current NY session
      {
         dLow =MathMin(dLow,Low);
         dHigh=MathMax(dHigh, High);
      }
      else                   // new NY session
      {
         dLow=Low;
         dHigh=High;
         iStart=i;
         iPrevious=iBarDay;
      }
      iEnd=i;
   }
   else if(iStart>-1)
   {
      PaintRectangle();
      iStart=-1;
   }
}
if(iStart>-1) PaintRectangle(); // paint the last one if session not closed
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                   |
//+------------------------------------------------------------------+
int deinit()
{
int iaCount=ArraySize(obj);
for(int i=0; i<iaCount; i++)
{
   if(ObjectFind(obj)>-1) ObjectDelete(obj);
}
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function                            |
//+------------------------------------------------------------------+
int start()
{
int i=0, iBarDay, iBarTime;
iBarDay=TimeYear(Time)*PERIOD_MN1*12+TimeMonth(Time)*PERIOD_MN1+TimeDay(Time)*PERIOD_D1;
iBarTime=iBarDay+TimeHour(Time)*60+TimeMinute(Time);
if(iBarTime>=iBarDay+NY_OPEN_HH*60+NY_OPEN_MM && iBarTime<=iBarDay+NY_CLOSE_HH*60+NY_CLOSE_MM)
{
   if(iBarDay==iPrevious) // current NY session
   {
      dLow =MathMin(dLow,Low);
      dHigh=MathMax(dHigh, High);
   }
   else                   // new NY session
   {
      dLow=Low;
      dHigh=High;
      iStart=i;
      iPrevious=iBarDay;
   }
   iEnd=i;
   PaintRectangle();
}
return(0);
}
//+------------------------------------------------------------------+
//| Paint rectangle                                              |
//+------------------------------------------------------------------+
void PaintRectangle()
{
string sObj="ShadeNY_"+DoubleToStr(iPrevious, 0); // name for the object
if(ObjectFind(sObj)>-1)
{
   // current session object found, so just widen it
   ObjectSet(sObj,OBJPROP_PRICE1,dLow-Point);
   ObjectSet(sObj,OBJPROP_TIME2 ,Time);
   ObjectSet(sObj,OBJPROP_PRICE2,dHigh+Point);
}
else
{
   // otherwise create new object for the session
   int iaCount=ArraySize(obj);
   ArrayResize(obj, iaCount+1);
   obj=sObj;
   ObjectCreate(sObj,OBJ_RECTANGLE,0,Time,dLow-Point,Time,dHigh+Point);
   ObjectSet(sObj,OBJPROP_COLOR,ShadeColor);
}
}
//+------------------------------------------------------------------+

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hijk345 发表于 2018-6-5 06:53:20

好哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈和

awcyj 发表于 2020-4-12 22:08:46

过来看看的

相依爲命 发表于 2020-6-16 19:57:17

学习了，谢谢分享、、、

飞火流星 发表于 2020-6-24 19:39:33

好好学习了确实不错

故乡发表于 2020-7-11 10:00:47

学习了，不错

淡定哥 发表于 2020-7-15 17:34:40

帮你顶下哈！！

赵四发表于 2020-7-18 21:20:19

帮你顶下哈！！

btclyb85 发表于 2020-7-31 14:03:48

谢谢楼主分享

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