main.cpp

/*This source code copyrighted by Lazy Foo' Productions (2004-2020)
and may not be redistributed without written permission.*/

//Using SDL and standard IO
#include <SDL2/SDL.h>
#include <stdio.h>

//Screen dimension constants
const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;

int main(int argc, char *args[])
{
  //The window we'll be rendering to
  SDL_Window *window = NULL;

  //The surface contained by the window
  SDL_Surface *screenSurface = NULL;

  //Initialize SDL
  if (SDL_Init(SDL_INIT_VIDEO) < 0)
  {
    printf("SDL could not initialize! SDL_Error: %s\n", SDL_GetError());
  }
  else
  {
    //Create window
    window = SDL_CreateWindow("SDL Tutorial", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN);
    if (window == NULL)
    {
      printf("Window could not be created! SDL_Error: %s\n", SDL_GetError());
    }
    else
    {
      //Get window surface
      screenSurface = SDL_GetWindowSurface(window);

      //Fill the surface white
      SDL_FillRect(screenSurface, NULL, SDL_MapRGB(screenSurface->format, 0xFF, 0xFF, 0xFF));

      //Update the surface
      SDL_UpdateWindowSurface(window);

      //Wait two seconds
      SDL_Delay(10000);
    }
  }

  //Destroy window
  SDL_DestroyWindow(window);

  //Quit SDL subsystems
  SDL_Quit();

  return 0;
}