Patent ID: 8452130

Claim:
An apparatus for processing graphic data, the apparatus comprising: a reader configured to read data from an information storage medium, the data comprising a display set, the display set comprising a plurality of object segments, a composition segment, and an end segment, each of the plurality of object segments comprising graphic object data defining a graphic object to be used by the apparatus in composing a graphic screen to be displayed on a display device and identification information identifying the graphic object, the composition segment comprising composition information for the graphic object defined by the graphic object data of each of the plurality of object segments and reference information referring to the identification information identifying the graphic object defined by the graphic object data of each of the plurality of object segments, the composition information specifying how the graphic object defined by the graphic object data of each of the plurality of object segments is to be displayed on the graphic screen, the end segment indicating an end of the display set; a first buffer configured to store the graphic object data of each of the plurality of object segments for a predetermined time so that the graphic object data of each of the plurality of object segments remains available for use for the predetermined time, the graphic object data of each of the plurality of object segments stored in the first buffer being identified by the identification information identifying the graphic object defined by the graphic object data of each of the plurality of object segments; and a second buffer configured to store the composition information.