Patent Number: 7,102,651

Title: Hierarchical 2-D color compositing with blending mode and opacity controls at all levels

Abstract: Methods and apparatus, including computer programs, for processing transparency attributes of digital graphics objects. The techniques result in the color compositing of an arbitrary structure of artwork elements defining the appearance of a page to produce a result color at any position on the page that is continuous with respect to all inputs.

Inventors: Louveaux; Pierre (San Jose, CA), Bourdev; Lubomir D. (Cupertino, CA)

Assignee: Adobe Systems Incorporated

International Classification: G09G 5/00 (20060101)

Expiration Date: 9/05/02018