LÖVE

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sleep_time=0

screen, touch, resize = {}, {}, {}

screen.w, screen.h = love.window.getDesktopDimensions(display)
resize.w, resize.h = screen.w/800 , screen.h/480
touch.x, touch.y = 0, 0

function love.load()
smile = love.graphics.newImage("smile.png")	
end

function love.update(dt)

state, percent, seconds = love.system.getPowerInfo()

if percent and percent < 50 then
	time=5
	else
	time=10
end

sleep_time = sleep_time + dt

if math.floor(sleep_time)>=time then

if not love.window.isDisplaySleepEnabled() then
love.window.setDisplaySleepEnabled(true)
end

sleeping=true
return false
else

if love.window.isDisplaySleepEnabled() then
love.window.setDisplaySleepEnabled(false)
end

sleeping=nil
end
end

function love.touchpressed( id, x, y, dx, dy, pressure )
	sleep_time=0
	touchpress=true
	touchreleased=nil
end

function love.touchmoved( id, x, y, dx, dy, pressure )
	sleep_time=0
	touchmoved=true
	touchreleased=nil
end

function love.touchreleased( id, x, y, dx, dy, pressure )
	sleep_time=0
	touchreleased=true	
	touchmoved=nil
	touchpress=nil
end

function love.draw()

if sleeping then
love.graphics.print("Sleeping "..math.floor(sleep_time).." secs", 10, 10, 0, 3*resize.w, 3*resize.h)
return false
end

for i, id in ipairs(love.touch.getTouches()) do
    touch.x, touch.y = love.touch.getPosition(id)
end

--in center and resized
love.graphics.draw(smile, (screen.w/2)-(smile:getWidth()/2), (screen.h/2)-(smile:getHeight()/2), 0 , resize.w, resize.h)

if touchmoved then
	status="Moving"
elseif touchpress then
	status="Pressing"
elseif touchreleased then
	status="Released"
else
	status="Sleeping"
end

printer="Touch is "..status.."    X="..math.floor(touch.x).." Y="..math.floor(touch.y)

love.graphics.print(printer, 10, 10, 0, 3*resize.w, 3*resize.h)
end