MobinMQL/Indicators/Examples/ColorBars.mq5
2025-07-22 14:48:34 +03:00

82 lines
2.9 KiB
MQL5

//+------------------------------------------------------------------+
//| ColorBars.mq5 |
//| Copyright 2000-2025, MetaQuotes Ltd. |
//| https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2000-2025, MetaQuotes Ltd."
#property link "https://www.mql5.com"
#property indicator_chart_window
#property indicator_buffers 5
#property indicator_plots 1
//--- plot ColorBars
#property indicator_label1 "ColorBars"
#property indicator_type1 DRAW_COLOR_BARS
#property indicator_color1 clrGreen,clrRed
#property indicator_label1 "Open;High;Low;Close"
//--- indicator buffers
double ExtOpenBuffer[];
double ExtHighBuffer[];
double ExtLowBuffer[];
double ExtCloseBuffer[];
double ExtColorsBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
void OnInit()
{
//--- indicators
SetIndexBuffer(0,ExtOpenBuffer,INDICATOR_DATA);
SetIndexBuffer(1,ExtHighBuffer,INDICATOR_DATA);
SetIndexBuffer(2,ExtLowBuffer,INDICATOR_DATA);
SetIndexBuffer(3,ExtCloseBuffer,INDICATOR_DATA);
SetIndexBuffer(4,ExtColorsBuffer,INDICATOR_COLOR_INDEX);
//--- don't show indicator data in DataWindow
PlotIndexSetInteger(0,PLOT_SHOW_DATA,false);
//--- set accuracy
IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration 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=0;
bool vol_up=true;
//--- set position for beginning
if(i<prev_calculated)
i=prev_calculated-1;
//--- start calculations
while(i<rates_total && !IsStopped())
{
ExtOpenBuffer[i]=open[i];
ExtHighBuffer[i]=high[i];
ExtLowBuffer[i]=low[i];
ExtCloseBuffer[i]=close[i];
//--- determine volume change
if(i>0)
{
if(tick_volume[i]>tick_volume[i-1])
vol_up=true;
if(tick_volume[i]<tick_volume[i-1])
vol_up=false;
}
if(vol_up)
ExtColorsBuffer[i]=0.0;
else
ExtColorsBuffer[i]=1.0;
i++;
}
//--- return value of prev_calculated for next call
return(rates_total);
}
//+------------------------------------------------------------------+