gistfile1.txt

		Vector2 size = Scaling.fit.apply(scene_width, scene_height, scr_width, scr_height);
		int viewportX = (int)(scr_width - size.x) / 2;
		int viewportY = (int)(scr_height - size.y) / 2;
		int viewportWidth = (int) size.x;
		int viewportHeight = (int) size.y;
		Gdx.gl.glViewport(viewportX, viewportY, viewportWidth, viewportHeight);
		stage.setViewport(scr_width, scr_height, true,
				viewportX, viewportY, viewportWidth, viewportHeight);