Patent ID: 8452129

Claim:
A method of processing graphic data, the method comprising: storing a plurality of graphic object data each defining a respective graphic object for a predetermined time so that the plurality of graphic object data remain available for use for the predetermined time, the plurality of graphic object data thereby defining a plurality of graphic objects; storing composition information for at least one of the plurality of graphic objects defined by the stored plurality of graphic object data, the composition information specifying how the at least one of the plurality of graphic objects is to be displayed on a display device, and comprising information specifying which ones of the plurality of graphic objects are to be displayed on the display device; storing composed graphic data to be output to the display device, the composed graphic data being composed from at least one of the stored plurality of graphic object data according to the stored composition information; outputting the composed graphic data according to the stored composition information; receiving a new graphic object data defining a new graphic object; and updating one of the stored plurality of graphic object data using the new graphic object data.