The present invention is a graphics data processor which includes the capability of determining whether a defined pixel location in a graphics display is within a window in an X Y coordinate system. The respective X and Y coordinates of the selected pixel are separately compared with the window limits....http://www.google.com/patents/US5375198?utm_source=gb-gplus-sharePatent US5375198 - Process for performing a windowing operation in an array move, a graphics computer system, a display system, a graphic processor and a graphics display system
