Appeal No. 1998-2725
Application 08/473,651
The disclosed invention pertains to a method for
producing an image containing multiple objects. More
particularly, the invention is directed to a technique for
improving the efficiency with which overlapping images are
rendered on a display device.
Representative claim 19 is reproduced as follows:
19. A method for producing an image containing
multiple objects, comprising the following steps:
storing data in a first memory which describes the
area covered by each of plural objects in the image;
retrieving data from said first memory that describes
the area covered by a first object and storing said data in a
second memory;
retrieving data from said first memory that describes
the area covered by a second object;
determining whether there is a common area of
intersection for the areas covered by said first and second
objects;
modifying the data stored in said second memory to
remove the common area of intersection from the description of
the area covered by said first object;
rendering the modified data stored in said second
memory that describes the area covered by the first object;
and
generating an image in accordance with the rendered
data.
The examiner relies on the following references:
2
Page: Previous 1 2 3 4 5 6 7 8 9 Next
Last modified: November 3, 2007