This program loads a Sun monochrome rasterfile onto the X root window
for more pleasing backgrounds.

Compiling with the -DIMAGE flag will allow direct manipulation of the
local XImage, which is much faster but is not too portable.  There are
some hooks in the code for making it more portable but I have no way
to test them.  The IMAGE flag definitely works on Sun 2's and Sun 3's
and probably would work on most anything else if the bit/byte order of
the destination is the same as the 68000.

Without the IMAGE flag this is pretty portable.  I think there may be
problems if the bit order of your machine is different from the Sun;
playing with localint() can fix this kind of thing.

Details on operation are in the man page.

Thanks to Barry Shein (bzs@bu-cs.bu.edu) and Jason Heirtzler
(jdh@bu-it.bu.edu) for the concept.

jim frost
madd@bu-it.bu.edu
9.20.88

