code: func DrawRawTextVertical(x, y int, text string) {
  	cx, cy, cw, ch := ClipRect()
  	if y >= cy+ch || x < cx || x >= cx+cw {
  		return
  	}
  
  	length := xs.Len(text)
  	if y+length < cy {
  		return
  	}
  
  	if y < cy {
  		text = xs.Slice(text, cy-y, -1)
  		length = length - (cy - y)
  		y = cy
  	}
  	text = CutText(text, ch)
  
  	dy := 0
  	for _, ch := range text {
  		putCharUnsafe(x, y+dy, ch)
  		dy++
  	}
  }
docs: // DrawRawTextVertical draws the part of text that is inside the current clipping
  // rectangle. DrawRawTextVertical always paints string as is - no color changes.
  // If you want to draw string with color changing commands included then
  // use DrawTextVertical function