Patent ID: RE44183

Claim:
An apparatus for processing graphic data, the apparatus comprising: a reader to read data from an information storage medium, the data comprising a display set comprising an object segment and a composition segment, segment and a plurality of object segments corresponding to the composition segment, each of the plurality of object segment segments comprising a plurality of graphic object data respectively defining a plurality of graphic objects graphic object data defining a graphic object, the graphic object data to be used by the apparatus in composing a graphic screen to be displayed on a display device, and the plurality of object segments thereby comprising a plurality of graphic object data defining a plurality of graphic objects, the composition segment comprising composition information for at least some one of the plurality of graphic objects defined by the plurality of graphic object data , the composition information to be used by the apparatus in composing the graphic screen, the composition information specifying how the at least some one of the plurality of graphic objects are is to be displayed on the graphic screen; a first buffer to store the plurality of graphic object data for a predetermined time so that the plurality of graphic object data remain available for use for the predetermined time; a second buffer to store the composition information; and a third buffer to store composed graphic data defining the graphic screen to be output to the display device, the composed graphic data being composed from at least some one of the plurality of graphic object data stored in the first buffer; wherein the composition information comprises position information indicating where the at least some one of the plurality of graphic objects are is to be displayed on the graphic screen.