Patent ID: 6377276
Filing Date: 2002-04-23
Classification: G06F,G06T,G09G,H04L,H04N

Abstract:
A system for generating and displaying images comprising:a. a source device including: i. a graphics source for generating on-screen-display graphics data relating to a bitmap image, clipping region and visible window; and ii. a source interface circuit coupled to the graphics source for transmitting the on-screen-display graphics data; and b. a display device including: i. a display interface circuit coupled to the source interface circuit for receiving the on-screen-display graphics data; ii. a rendering engine coupled to the display interface circuit for receiving the on-screen-display graphics data, rendering the bitmap image and applying the clipping region and the visible window to the bitmap image; and iii. a display coupled to the rendering engine for displaying only a first portion of the bitmap image corresponding to an intersection of the visible window and the clipping region.