main.cpp

#include <SDL2/SDL.h>
#include <stdio.h>

const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;

int main(int argc, char* args[])
{
    // Main rendering window
    SDL_Window* window = NULL;

    // 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 main window
        window = SDL_CreateWindow("Void", 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 it with white
            SDL_FillRect(screenSurface, NULL, SDL_MapRGB(screenSurface->format, 0xFF, 0xFF, 0xFF));

            // Update the surface
            SDL_UpdateWindowSurface(window);

            // Wait two seconds
            SDL_Delay(2000);
        }
    }

    // Destroy our window
    SDL_DestroyWindow(window);

    // Quit SDL subsystems
    SDL_Quit();

    return 0;
}