| //+------------------------------------------------------------------+
|
| //| 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,
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| const datetime &time[],
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| const double &open[],
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| const double &high[],
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| const double &low[],
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| const double &close[],
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| const long &tick_volume[],
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| 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])
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| vol_up=false;
|
| }
|
| if(vol_up)
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| ExtColorsBuffer[i]=0.0;
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| else
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| ExtColorsBuffer[i]=1.0;
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| i++;
|
| }
|
| //--- return value of prev_calculated for next call
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| return(rates_total);
|
| }
|
| //+------------------------------------------------------------------+
|
