The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 04, 2002
Filed:
Jan. 28, 1999
Applicant:
Inventor:
Yung-Ho Shih, Bellevue, WA (US);
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/32 ;
U.S. Cl.
CPC ...
G06K 9/32 ;
Abstract
Rotating image data ninety degrees is disclosed. In one embodiment of the invention, the computerized system includes an operating system providing a graphics interface library, and a graphics interface buffer maintained by the graphics interface library. The graphics interface buffer contains image data comprising a first screen image. The system also includes a graphics device driver that implements a method to rotate an area within the image data by dividing the area into a plurality of square pixel regions, rotating each of the squares, and writing the squares to an image data buffer comprising a display buffer maintained by the graphics device driver.