ColorAPI

--Basic Variables
local mon = peripheral.wrap("left")
local ColorBar = {}
--Prepeare Monitor
mon.setBackgroundColor(colors.black)
mon.setTextColor(colors.white)
mon.setTextScale(1)
mon.clear()
mon.setCursorPos(1,1)
--Clears everything
function clearAll()
  ColorBar = {}
  mon.clear()
end
--Function to create ColorBars
function createColorBar(name, xmin, xmax, ymin, ymax, color)
  ColorBar[name] = {}
  ColorBar[name]["xmin"] = xmin
  ColorBar[name]["xmax"] = xmax
  ColorBar[name]["ymin"] = ymin
  ColorBar[name]["ymax"] = ymax
  ColorBar[name]["color"] = color
end

function drawBars()
  for name, data in pairs(ColorBar) do
    mon.setBackgroundColor(data["color"])
    sizeX = data["xmax"] - data["xmin"]
    for i = data["ymin"], data["ymax"], 1 do
      mon.setCursorPos(data["xmin"], i)
      for j = 0, sizeX, 1 do
        mon.write(" ")
      end
    end
  end
  mon.setBackgroundColor(colors.black)
end

function changeColor(name, color)
  ColorBar[name]["color"] = color
end

function changeSize(name, xmin, xmax, ymin, ymax)
  ColorBar[name]["xmin"] = xmin
  ColorBar[name]["xmax"] = xmax
  ColorBar[name]["ymin"] = ymin
  ColorBar[name]["ymax"] = ymax
end