ilbmtoppm


SYNOPSIS
       ilbmtoppm [-verbose] [-ignore<chunkID>] [-isham|-isehb] [-adjustcolors]
       [ILBMfile]

DESCRIPTION
       Reads an IFF ILBM file as input.  Produces a portable pixmap as output.
       Supported ILBM types are:

       Normal ILBMs with 1-16 planes.

       Amiga Extra_Halfbrite (EHB)

       Amiga HAM with 3-16 planes.

       24 bit.

       Multiplatte (normal or HAM) pictures.

       Color map (BMHD + CMAP chunk only, nPlanes = 0).

       Unofficial direct color.
              1-16 planes for each color component.

       Chunks used:
              BMHD, CMAP, CAMG (only HAM & EHB flags used), PCHG, BODY unoffi-
              cial DCOL chunk to identify direct color ILBM

       Chunks ignored:
              GRAB, DEST, SPRT, CRNG, CCRT, CLUT, DPPV, DRNG, EPSF

       Other chunks (ignored but displayed in verbose mode):
              NAME, AUTH, (c), ANNO, DPI

       Unknown chunks are skipped.

OPTIONS
       -verbose
              Give some information about the ILBM file.

       -ignore <chunkID>
              Skip a chunk.  <chunkID> is the 4-letter IFF chunk identifier of
              the chunk to be skipped.

       -isham | -isehb
              Treat  the  input file as a HAM or Extra_Halfbrite picture, even
              if these flags or not set in the CAMG chunk (or if there  is  no
              CAMG chunk).

       -adjustcolors
              If  all  colors  in the CMAP have a value of less then 16, ilbm-
              toppm assumes a 4-bit colormap and gives a warning.   With  this
              option the colormap is scaled to 8 bits.

       Copyright (C) 1989 by Jef Poskanzer.
       Modified October 1993 by Ingo Wilken (Ingo.Wilken@informatik.uni-olden-
       burg.de)





                                04 October 1993                   ilbmtoppm(1)
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