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:
Jan. 26, 1993
Filed:
Jan. 10, 1990
Applicant:
Inventor:
Paul E Haeberli, Menlo Park, CA (US);
Assignee:
Silicon Graphics, Inc., Mountain View, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340706 ; 340701 ; 340709 ;
Abstract
A method and apparatus for painting in a computer controlled video display system is described. A current shape of a brush stroke is determined. A current direction of the brush stroke is determined. A current position is determined. A current color is set equal to a color at the current position. The step of drawing the brush image on the display comprises the steps of setting a color of the brush image equal to the current color, setting a position of the brush image equal to the current position, and setting a direction of the brush image equal to the current direction of the brush stroke.