int index = get_pixel_index(100, 100, TitleScreenBG->w);

    Uint32 *all_pixels = (Uint32*) TitleScreenBG->pixels; //Get all pixels from surface.

    Uint32 pixelint = all_pixels[index];//Get specific pixel

    pixelint = SDL_MapRGBA(TitleScreenBG->format, red, green, blue, alpha);

    cout << pixelint << endl;