-- | Open a new window and display the given picture. Should only be called -- once during the execution of a program! module FPPrac.Graphics ( module Graphics.Gloss , graphicsout ) where import Graphics.Gloss hiding (display,animate,simulate,play) import qualified Graphics.Gloss as Gloss -- | Open a new window and display the given picture. Should only be called -- once during the execution of a program! -- -- Use the following commands once the window is open: -- -- * Close Window - esc-key. -- -- * Move Viewport - left-click drag, arrow keys. -- -- * Rotate Viewport - right-click drag, control-left-click drag, or home\/end-keys. -- -- * Zoom Viewport - mouse wheel, or page up\/down-keys. graphicsout :: Picture -> IO () graphicsout = Gloss.display (InWindow "graphicsout" (640,480) (20,20)) white