int Graphics::CreateContext() {
    window = SDL_CreateWindow("",
        SDL_WINDOWPOS_UNDEFINED,
        SDL_WINDOWPOS_UNDEFINED,
        width,
        height,
        SDL_WINDOW_SHOWN);
    renderer = SDL_CreateRenderer(window, -1, DEFAULT_RENDERER_FLAGS);

    if ((window == NULL) || (renderer == NULL))
        return -1;
    return 0;
}

int Graphics::SwitchToFullscreen() {
    return SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN);
}

int Graphics::SwitchToWindowed() {
    return SDL_SetWindowFullscreen(window, 0x0);
}