colorprinter

local supply = peripheral.wrap("right")
supply.link()
for i = 1,6 do
    turtle.forward()
end

local move = function(f)
    while not f() do
        sleep(0.3)
    end
    sleep(0.1)
end

local place = function(color)
    if turtle.getItemCount(1) < 2 then
        supply.resupply(1)
    end
    turtle.place()
    local lamp = peripheral.wrap("front")
    lamp.setColor(tonumber(color,16))
end

local f = fs.open("dw.txt","r")

local img = {}

line = f.readLine()
while line ~= nil do
    table.insert(img,line)
    line = f.readLine()
end
f.close()

h,w = #img, #img[1]/8
r,c = h,1

while true do
    if c > w then break end
    place(img[r]:sub(1+8*(c-1),1+8*(c-1)+7))
    while r > 1 do
        move(turtle.up)
        r = r - 1
        place(img[r]:sub(1+8*(c-1),1+8*(c-1)+7))
    end
    turtle.turnRight()
    move(turtle.forward)
    turtle.turnLeft()
    c = c + 1
    if c > w then break end
    place(img[r]:sub(1+8*(c-1),1+8*(c-1)+7))
    while r < h do
        move(turtle.down)
        r = r + 1
        place(img[r]:sub(1+8*(c-1),1+8*(c-1)+7))
    end
    turtle.turnRight()
    move(turtle.forward)
    turtle.turnLeft()
    c = c + 1
end

if w % 2 == 1 then
    while not turtle.detectDown() do
        turtle.down()
        sleep(0.3)
    end
end