[comp.sys.amiga.tech] ILBM spec

bartonr@jove.cs.pdx.edu (Robert Barton) (06/26/89)

 jwz@spice.cs.cmu.edu (Jamie Zawinski) writes:

>    BMHD   -- manditory header info, but not necessarily first
>    BODY   -- manditory bitmap data

  Nope, believe it or not, the BODY chunk is not a required part of an ILBM
FORM.  According to the docs, this was done to allow an ILBM to represent a
color palette without any accompanying image (by setting nPlanes to 0).
The only mandatory chunk is the BMHD.