mtf logic according to this example in this code,

for example of H4(4 hourly) chart, there are 4 one hourly candles ,if for first 3 hours the color of current forming 4 hourly bar is red and then in 4th hour color changes to blue then on one hourly chart first 3 candles should remain red(extracting color from current forming H4 candle bar) and only 4th candle should change to blue color,


the same logic to all time frame for mtf function calculation