SDL window does not open

[Allan.d]

I am trying to learn the use of SDL in C++ :

 # include <stdlib.h> 
  # include <stdio.h> 
  # include <SDL/SDL.h> 
 
  void pause (); 
 
  int main (int argc, char * argv []) 
  ( 
      SDL_Init (SDL_INIT_VIDEO) / / Initialize SDL 
 
      SDL_SetVideoMode (640, 480, 32, SDL_HWSURFACE) / / open the window 
    
      pause () / / Pause program 
 
      SDL_Quit () / / stop the SDL 
 
      return EXIT_SUCCESS; / / Closing Program 
  ) 
 
  void pause () 
  ( 
      int continue = 1; 
      SDL_Event event; 
 
      while (continue) 
      ( 
          SDL_WaitEvent (& event); 
          switch (event. type) 
          ( 
              SDL_QUIT box: 
                  continue = 0; 
          ) 
      ) 
  )

I copied / pasted the code, have compiled no problem. But when I test, or even when I open the corresponding executable file, nothing happens. The window does not open. Can nay one give the example of SDL in C++.

[Zecho]

Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer.To use SDL You need to add the include file SDL/SDL.h to the top of your program like this:#include <SDL/SDL.h>.

SDL_INIT_TIMER
SDL_INIT_AUDIO
SDL_INIT_VIDEO
SDL_INIT_CDROM
SDL_INIT_JOYSTICK
SDL_INIT_NOPARACHUTE
SDL_INIT_EVENTTHREAD
SDL_INIT_EVERYTHING

[Walby]

First declare an area:

 SDL_Surface * screen = NULL;

Then replace your line:

 SDL_SetVideoMode (640, 480, 32, SDL_HWSURFACE);

For this:

 Wallpapers SDL_SetVideoMode = (640, 480, 32, SDL_HWSURFACE);

[Aberto]

setting up SDL for keyboard input :

SDL_Surface *screen;
 
if (SDL_Init(SDL_INIT_VIDEO) != 0) {
	printf("Unable to initialize SDL: %s\n", SDL_GetError());
	return 1;
}
 
atexit(SDL_Quit);
 
screen = SDL_SetVideoMode(320, 240, 0, SDL_ANYFORMAT);
if (screen == NULL) {
	printf("Unable to set video mode: %s\n", SDL_GetError());
	return 1;
}