View difference between Paste ID: 3k7UBKdH and VhcMFDG5

 term.setBackgroundColor(colors.white)
 term.clear()
 
 local qlv = paintutils.loadImage("qlv")
 paintutils.drawImage(qlv, 2, 1)
 
 local h = fs.open("qlvdata", "r")
 data = textutils.unserialize(h.readAll())
 h.close()
 
 local function drawPixelInternal(xPos, yPos)
     term.setCursorPos(xPos, yPos)
     term.write(" ")
 end
 
 local tColourLookup = {}
-  os.pullEvent("mouse_click")
+for n = 1, 16 do
-end
+    tColourLookup[string.byte("0123456789abcdef", n, n)] = 2 ^ (n - 1)
 end
 
 function drawFilledBox(startX, startY, endX, endY, nColour)
     if type(startX) ~= "number" or type(startX) ~= "number" or type(endX) ~=
         "number" or type(endY) ~= "number" or
         (nColour ~= nil and type(nColour) ~= "number") then
         error("Expected startX, startY, endX, endY, colour", 2)
     end
 
     startX = math.floor(startX)
     startY = math.floor(startY)
     endX = math.floor(endX)
     endY = math.floor(endY)
 
     if nColour then term.setBackgroundColor(nColour) end
     if startX == endX and startY == endY then
         drawPixelInternal(startX, startY)
         return
     end
 
     local minX = math.min(startX, endX)
     if minX == startX then
         minY = startY
         maxX = endX
         maxY = endY
     else
         minY = endY
         maxX = startX
         maxY = startY
     end
 
     for x = minX, maxX do for y = minY, maxY do drawPixelInternal(x, y) end end
 end
 
 for k, v in ipairs(data) do
   drawFilledBox(1, 1, 50, 1, colors.white)
   term.setCursorPos(3, 1)
   term.setTextColor(colors.black)
   term.setBackgroundColor(colors.white)
   term.write(v.name)
 
   local ev, bt, x, y = os.pullEvent("mouse_click")
 
   data[k].position = {x=x,y=y}
   term.setBackgroundColor(colors.blue)
   term.setCursorPos(x, y)
   term.write(" ")
 end
 
 local h2 = fs.open("qlvdata-published", "w")
 h2.write(textutils.serialize(data))
 h2.close()
 
 print("\n\nDONEEEEE")