babl: 
babl: babl is a dynamic, any to any, pixel format translation library.
babl: 
babl: It allows converting between different methods of storing pixels known
babl: as pixel formats that have with different bitdepths and other data
babl: representations, color models and component permutations.
babl: 
babl: A vocabulary to formulate new pixel formats from existing primitives is
babl: provided as well as the framework to add new color models and data types.
babl: