return function(draw)

function draw:free(f)
  if self.fr then return end
  self.fr = true
  --if self._cr then self._cr:release() end
  if f then draw:freeFont() end
  collectgarbage 'collect'
end
function draw:freeFont()
  if self.f then self.f:release() end
end

function draw:give()
  if self.fr then return end
  self.pc = love.graphics.getCanvas()
  if self.pc ~= self.cr then
    love.graphics.push()
    love.graphics.origin()
    love.graphics.setCanvas(self._cr)
  end
  return self
end

function draw:back()
  love.graphics.setCanvas(self.pc)
  love.graphics.pop()
  return self
end

function draw:full(full)
  love.window.setFullscreen(full or false)
  return self
end

end