Abstract:
A method and apparatus for zooming in or out and displaying a screen according a gesture of a user is provided. The method includes sensing gesture input, determining whether the gesture input corresponds to a predetermined pattern of a first semicircle or semi oval shape, and zooming in or out the image displayed on the screen and displaying a zoomed in or zoomed out image on a screen wherein the zoom ratio is in proportion to a radius of a first semicircle or a radius of a long or short axis of a first semi oval when the gesture input is the pattern of the first semicircle or semi oval shape.