//+------------------------------------------------------------------+
//| MA_In_Color.mq4 |
//| Copyright © 2004, MetaQuotes Software Corp. |
//| Modified from LSMA_In_Color to use any MA by Robert Hill |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, FX Sniper and Robert Hill"
#property link "http://www.metaquotes.net/"
//---- indicator settings
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Yellow
#property indicator_color2 Aqua
#property indicator_color3 Magenta
extern int MAPeriod=5;
extern string note1 = "Type: SMA=0, EMA=1, SMMA=2, LWMA=3";
extern int MAType=1;
extern int myLineWidth=3;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
/*
PARM6 FOR MA =
PRICE_CLOSE 0 Close price.
PRICE_OPEN 1 Open price.
PRICE_HIGH 2 High price.
PRICE_LOW 3 Low price.
PRICE_MEDIAN 4 Median price, (high+low)/2.
PRICE_TYPICAL 5 Typical price, (high+low+close)/3.
PRICE_WEIGHTED 6 Weighted close price, (high+low+close+close)/4.
PARM3 FOR MA =
MODE_SMA 0 Simple moving average,
MODE_EMA 1 Exponential moving average,
MODE_SMMA 2 Smoothed moving average,
MODE_LWMA 3 Linear weighted moving average.
*/
//---- variables
int MAMode;
string strMAType;
string tShortName ;
color ColorMA ;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
IndicatorBuffers(3);
//---- drawing settings
SetIndexBuffer(2,ExtMapBuffer1);
SetIndexBuffer(1,ExtMapBuffer2);
SetIndexBuffer(0,ExtMapBuffer3);
SetIndexStyle(2,DRAW_LINE,STYLE_SOLID,myLineWidth);
SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,myLineWidth);
SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,myLineWidth);
switch (MAType)
{
case 1: strMAType="EMA"; MAMode=MODE_EMA; break;
case 2: strMAType="SMMA"; MAMode=MODE_SMMA; break;
case 3: strMAType="LWMA"; MAMode=MODE_LWMA; break;
case 4: strMAType="LSMA"; break;
default: strMAType="SMA"; MAMode=MODE_SMA; break;
}
tShortName = "maic"+strMAType+ " (" +MAPeriod + ") " ;
IndicatorShortName(tShortName);
//---- initialization done
return(0);
}
double LSMA(int Rperiod, int shift)
{
int i;
double sum;
int length;
double lengthvar;
double tmp;
double wt;
length = Rperiod;
sum = 0;
for(i = length; i >= 1 ; i--)
{
lengthvar = length + 1;
lengthvar /= 3;
tmp = 0;
tmp = ( i - lengthvar)*Close[length-i+shift];
sum+=tmp;
}
wt = sum*6/(length*(length+1));
return(wt);
}
int deinit()
{
ObjectDelete(tShortName);
return(0);
}
int start()
{
double MA_Cur, MA_Prev;
int limit;
int counted_bars = IndicatorCounted();
//---- check for possible errors
if (counted_bars<0) return(-1);
//---- last counted bar will be recounted
if (counted_bars>0) counted_bars--;
limit = Bars - counted_bars;
for(int i=limit; i>=0; i--)
{
if (MAType == 4)
{
MA_Cur = LSMA(MAPeriod,i);
MA_Prev = LSMA(MAPeriod,i+1);
}
else
{
MA_Cur = iMA(NULL,0,MAPeriod,0,MAMode,PRICE_CLOSE,i);
MA_Prev = iMA(NULL,0,MAPeriod,0,MAMode,PRICE_CLOSE,i+1);
}
//========== COLOR CODING ===========================================
ExtMapBuffer3[i] = MA_Cur; //red
ExtMapBuffer2[i] = MA_Cur; //green
ExtMapBuffer1[i] = MA_Cur; //yellow
if (MA_Prev > MA_Cur)
{
ExtMapBuffer2[i] = EMPTY_VALUE;
ColorMA = indicator_color3 ;
}
else if (MA_Prev < MA_Cur)
{
ExtMapBuffer1[i] = EMPTY_VALUE; //-1 red/greem tight
ColorMA = indicator_color2 ;
}
else
{
ColorMA = indicator_color1 ;
ExtMapBuffer1[i]=EMPTY_VALUE;//EMPTY_VALUE;
ExtMapBuffer2[i]=EMPTY_VALUE;//EMPTY_VALUE;
}
}
MessageBox(DoubleToStr(ExtMapBuffer1[0], Digits));
MessageBox(DoubleToStr(ExtMapBuffer2[0], Digits));
if (ObjectFind(tShortName) != 0)
{
ObjectCreate(tShortName,OBJ_ARROW,0,Time[0],MA_Cur);
ObjectSet(tShortName,OBJPROP_ARROWCODE,SYMBOL_RIGHTPRICE);
ObjectSet(tShortName,OBJPROP_COLOR,ColorMA);
}
else
{
ObjectMove(tShortName,0,Time[0],MA_Cur);
ObjectSet(tShortName,OBJPROP_COLOR,ColorMA);
}
return(0);
}
//+------------------------------------------------------------------+
