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{-# LANGUAGE OverloadedStrings #-}
module Lazyfoo.Lesson02 (main) where
import Control.Concurrent (threadDelay)
import Control.Monad (void)
import Foreign.C.Types
import SDL.Vect
import qualified SDL
import Paths_sdl2 (getDataFileName)
screenWidth, screenHeight :: CInt
(screenWidth, screenHeight) = (640, 480)
main :: IO ()
main = do
SDL.initialize [SDL.InitVideo]
window <- SDL.createWindow "SDL Tutorial" SDL.defaultWindow { SDL.windowInitialSize = V2 screenWidth screenHeight }
SDL.showWindow window
screenSurface <- SDL.getWindowSurface window
helloWorld <- getDataFileName "examples/lazyfoo/hello_world.bmp" >>= SDL.loadBMP
void $ SDL.surfaceBlit helloWorld Nothing screenSurface Nothing
SDL.updateWindowSurface window
threadDelay 2000000
SDL.destroyWindow window
SDL.freeSurface helloWorld
SDL.quit
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