Patent ID: 7342594
Filing Date: 2008-03-11
Classification: G06F

Abstract:
1. A method comprising: copying and saving first pixel values corresponding to a first display screen area; blending the copied first pixel values with second pixel values to generate third pixel values; replacing the original first pixel values with the third pixel values to effectuate display of a non-blocking always visible display; monitoring for a display operation that impacts the first display screen area, the display operation attempting to alter the first pixel values; upon detection of the display operation, replacing said third pixel values with said first pixel values using said saved first pixel values; upon completion of the display operation, copying and saving fourth pixel values corresponding to the first display screen area, the fourth pixel values corresponding to the altered first pixel values; blending the copied fourth pixel values with said second pixel values to generate fifth pixel values; and replacing the original fourth pixel values with the fifth pixel values to sustain the non-blocking always visible characteristic of the non-blocking always visible display.