on.quit = function()
	if Saved_screen then
		-- snapshot_canvas in progress; restore real window dimensions before saving them to config
		App.screen.width,App.screen.height = Saved_screen.w, Saved_screen.h
	end
end

	Saved_screen = {w=App.screen.width, h=App.screen.height}
	App.screen.width,App.screen.height = Saved_screen.w, Saved_screen.h
	Saved_screen = nil
end
	App.screen.width,App.screen.height = Global_viewport.w, Global_viewport.h
	local saved_viewport = Viewport
	Viewport = copy_viewport(Global_viewport)
	Viewport.zoom = 1.0
	A()
	Canvas = love.graphics.newCanvas(Global_viewport.w, Global_viewport.h)
	love.graphics.setCanvas(Canvas)
	App.fake_key_press = true  -- Hack; disable drawing the menu and ticks
	on.draw()
	App.fake_key_press = nil
	love.graphics.setCanvas()
	Viewport = saved_viewport

  assert(settings.width < 4096 and settings.height < 4096, "You've hit a bug Kartik has been chasing for a while. Please let me know by emailing ak@akkartik.com, I'd really appreciate it.")

	if App_name == nil then return end  -- we never connected to an app; save no settings
end

end