| //+------------------------------------------------------------------+ //|                                               Heiken Ashi Ma.mq4 |
 //+------------------------------------------------------------------+
 //|                                                      mod by Raff |
 //+------------------------------------------------------------------+
 #property copyright "Copyright 汇客中国"
 #property link      "http://www.fxwork.cn/"
 
 #property indicator_chart_window
 #property indicator_buffers 4
 #property indicator_color1 DeepSkyBlue
 #property indicator_color2 Turquoise
 #property indicator_color3 Red
 #property indicator_color4 Yellow
 //---- parameters
 extern int MaMetod  = 0;
 extern int MaPeriod = 20;
 //---- buffers
 double ExtMapBuffer1[];
 double ExtMapBuffer2[];
 double ExtMapBuffer3[];
 double ExtMapBuffer4[];
 //----
 int ExtCountedBars=0;
 //+------------------------------------------------------------------+
 //| Custom indicator initialization function                         |
 //|------------------------------------------------------------------|
 int init()
 {
 //---- indicators
 SetIndexStyle(0,DRAW_HISTOGRAM, 0, 2,Black);
 SetIndexBuffer(0, ExtMapBuffer1);
 SetIndexStyle(1,DRAW_HISTOGRAM, 0, 2,Black);
 SetIndexBuffer(1, ExtMapBuffer2);
 SetIndexStyle(2,DRAW_HISTOGRAM, 0,3,White);
 SetIndexBuffer(2, ExtMapBuffer3);
 SetIndexStyle(3,DRAW_HISTOGRAM, 0, 3,DeepSkyBlue);
 SetIndexBuffer(3, ExtMapBuffer4);
 //----
 SetIndexDrawBegin(0,5);
 //---- indicator buffers mapping
 SetIndexBuffer(0,ExtMapBuffer1);
 SetIndexBuffer(1,ExtMapBuffer2);
 SetIndexBuffer(2,ExtMapBuffer3);
 SetIndexBuffer(3,ExtMapBuffer4);
 //---- initialization done
 
 watermark();
 return(0);
 }
 //+------------------------------------------------------------------+
 //| Custor indicator deinitialization function                       |
 //+------------------------------------------------------------------+
 int deinit()
 {
 //---- TODO: add your code here
 
 //----
 return(0);
 }
 //+------------------------------------------------------------------+
 //| Custom indicator iteration function                              |
 //+------------------------------------------------------------------+
 int start()
 {
 double maOpen, maClose, maLow, maHigh;
 double haOpen, haHigh, haLow, haClose;
 if(Bars<=10) return(0);
 ExtCountedBars=IndicatorCounted();
 //---- check for possible errors
 if (ExtCountedBars<0) return(-1);
 //---- last counted bar will be recounted
 if (ExtCountedBars>0) ExtCountedBars--;
 int pos=Bars-ExtCountedBars-1;
 while(pos>=0)
 {
 maOpen=iMA(NULL,0,MaPeriod,0,MaMetod,MODE_OPEN,pos);
 maClose=iMA(NULL,0,MaPeriod,0,MaMetod,MODE_CLOSE,pos);
 maLow=iMA(NULL,0,MaPeriod,0,MaMetod,MODE_LOW,pos);
 maHigh=iMA(NULL,0,MaPeriod,0,MaMetod,MODE_HIGH,pos);
 
 haOpen=(ExtMapBuffer3[pos+1]+ExtMapBuffer4[pos+1])/2;
 haClose=(maOpen+maHigh+maLow+maClose)/4;
 haHigh=MathMax(maHigh, MathMax(haOpen, haClose));
 haLow=MathMin(maLow, MathMin(haOpen, haClose));
 if (haOpen<haClose)
 {
 ExtMapBuffer1[pos]=haLow;
 ExtMapBuffer2[pos]=haHigh;
 }
 else
 {
 ExtMapBuffer1[pos]=haHigh;
 ExtMapBuffer2[pos]=haLow;
 }
 ExtMapBuffer3[pos]=haOpen;
 ExtMapBuffer4[pos]=haClose;
 pos--;
 }
 ObjectCreate("label_object_B1", OBJ_LABEL, 0, 0, 0);
 ObjectSetText("label_object_B1","汇客中国 www.fxwork.cn",12,"Arial",Yellow);
 ObjectSet("label_object_B1", OBJPROP_XDISTANCE, 250);
 ObjectSet("label_object_B1", OBJPROP_YDISTANCE, 5);
 //----
 return(0);
 }
 //+------------------------------------------------------------------+
 
 void watermark()
 {
 ObjectCreate("fxcruiser", OBJ_LABEL, 0, 0, 0);
 ObjectSetText("fxcruiser", "fxcruiser", 11, "Lucida Handwriting", RoyalBlue);
 ObjectSet("fxcruiser", OBJPROP_CORNER, 2);
 ObjectSet("fxcruiser", OBJPROP_XDISTANCE, 5);
 ObjectSet("fxcruiser", OBJPROP_YDISTANCE, 10);
 return(0);
 }
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