A method and apparatus for reducing storage requirements for display data on a computer system. Data objects to be displayed are organized into display lists and each data object includes an object type, such as text, graphic, and image. The data objects are rasterized into an uncompressed band buffer...http://www.google.de/patents/US5638498?utm_source=gb-gplus-sharePatent US5638498 - Method and apparatus for reducing storage requirements for display data
