SDL_ExposeEvent - Quit requested event
typedef struct{
Uint8 type
} SDL_ExposeEvent;
type SDL_VIDEOEXPOSE
SDL_ExposeEvent is a member of the SDL_Event union and is used whan an
event of type SDL_VIDEOEXPOSE is reported.
A VIDEOEXPOSE event is triggered when the screen has been modified
outside of the application, usually by the window manager and needs to
be redrawn.
SDL_Event, SDL_SetEventFilter