1. For use in a system for rendering an image on a device having a number of sub-pixel elements per pixel, a method for processing image information, the method comprising: a) accepting scan lines of at least two color components, each said scan line comprising N samples per sub-pixel element; and b) for each of the scan lines of the at least two color components, i) filtering the samples to generate new samples, and ii) filtering the new samples, at distinct positions, to generate values associated with the sub-pixel elements.