io.stdout:setvbuf("no")

local shader 
local text
local page
local tf
function jin.core.onLoad()
	shader = jin.graphics.newShaderf("font.shader")
	local bitmap = jin.graphics.newBitmap("font2.png")
	local tfdata = jin.graphics.newTTFData("font.ttf")
	tf = tfdata:newTTF(13)
	page = tf:typeset("this is a test")
end

function jin.core.onEvent(e)
    if e.type == "Quit" then 
        jin.core.stop()
    end
end

local t = 0
local fps = 0
local f = 0
function jin.core.onUpdate(dt)
	t = t + dt
	f = f + 1
	if t > 1 then 
		fps = f
		f = 0
		t = t - 1
	end
end

function jin.core.onDraw()
	jin.graphics.useShader(shader)
	jin.graphics.setFont(tf)
	jin.graphics.print(string.format("FPS: %d\nok this is another test", fps), 0, 0)
	jin.graphics.unsetFont()
	jin.graphics.unuseShader()
end