Bitmap-based display remoting
US8140610B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2007 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Dec 4, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Bitmap transfer-based display remoting by a server coupled to a client is described. Specifically, an application executing on the server implements operations to render a portion of a graphical user interface (GUI). The server decomposes corresponding rendering-based command(s) into simple bitmap raster operations commands. The server sends the bitmap-based commands to the client. The client, responsive to receiving the commands, respectively stores and draws bitmaps from an offscreen display surface, as directed by the server, to an onscreen display surface to present the GUI portion to a user. Logic at the client to store and present the GUI portion are independent of any client-implemented display remoting cache management logic. The client operations are also independent of determinations and processing of graphical object semantics beyond bitmap semantics. Such management and semantic determinations and processing are implemented and maintained respectively at and by the server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.