Image fade and floodfill library

[agraham]

sounds very efficient!

Note that only B4ppc libraries can do really efficient arithmetic. B4ppc itself is not (at the moment) particularly efficient at arithmetic. As a weakly typed language numbers are stored as strings and converted to Doubles (64 bit floating point) for arithmetic and then converted back to strings for storage. Even using typed arrays (the only place types are currently recognised by B4ppc) and the optimising compiler numbers are still converted to Doubles for arithmetic and then converted back to their declared type. This places a prticular inefficiency on a device as they do not have an FPU and must do floating point in software.

Erel's has promised typed regular (non-array) local and global variables for the next major update, hopefully he will optimise the arithmetic for integer types at the same time - at least in the optimising compiler!