1. A method for selecting among different halftoning algorithms to apply to pixel tone value data, which data include at least two components, the method comprising the steps of: combining the components to form an index; and matching the index with one of a plurality of stored indices, each of the stored indices being correlated to predetermined combinations of at least two halftoning algorithms, the predetermined combinations representing halftoning algorithms to apply to each component of the pixel tone value data in rendering the data to a display device.