ScrollTextScreen::ScrollTextScreen(int text_id, int width, ticks interval, int song_id): _build_pix(BuildPix(text_id, width)), _interval(interval), _play_song(true), _song_id(song_id) { }
ScrollTextScreen::ScrollTextScreen(int text_id, int width, double speed, int song_id): _build_pix(BuildPix(text_id, width)), _speed(speed), _play_song(true), _song_id(song_id) { }
ScrollTextScreen::ScrollTextScreen(int text_id, int width, ticks interval): _build_pix(BuildPix(text_id, width)), _interval(interval), _play_song(false), _song_id(0) { }