133 lines
3.4 KiB
HTML
133 lines
3.4 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of ilbmtoppm</TITLE>
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</HEAD><BODY>
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<H1>ilbmtoppm</H1>
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Section: User Commands (1)<BR>Updated: 04 October 1993<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="ixAAB"></A>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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ilbmtoppm - convert an ILBM file into a portable pixmap
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>ilbmtoppm</B>
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[<B>-verbose</B>]
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[<B>-ignore</B><chunkID><B>]</B>
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[<B>-isham</B>|<B>-isehb</B>]
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[<B>-adjustcolors</B>]
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[<I>ILBMfile</I>]
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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Reads an IFF ILBM file as input.
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<A NAME="ixAAC"></A>
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<A NAME="ixAAD"></A>
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Produces a portable pixmap as output.
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Supported ILBM types are:
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<DL COMPACT>
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<DT id="1">Normal ILBMs with 1-16 planes.<DD>
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<DT id="2">Amiga Extra_Halfbrite (EHB)<DD>
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<A NAME="ixAAE"></A>
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<DT id="3">Amiga HAM with 3-16 planes.<DD>
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<A NAME="ixAAF"></A>
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<DT id="4">24 bit.<DD>
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<DT id="5">Multiplatte (normal or HAM) pictures.<DD>
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<DT id="6">Color map (BMHD + CMAP chunk only, nPlanes = 0).<DD>
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<DT id="7">Unofficial direct color.<DD>
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1-16 planes for each color component.
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<DT id="8">Chunks used:<DD>
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BMHD, CMAP, CAMG (only HAM & EHB flags used), PCHG, BODY
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unofficial DCOL chunk to identify direct color ILBM
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<DT id="9">Chunks ignored:<DD>
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GRAB, DEST, SPRT, CRNG, CCRT, CLUT, DPPV, DRNG, EPSF
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<DT id="10">Other chunks (ignored but displayed in verbose mode):<DD>
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NAME, AUTH, (c), ANNO, DPI
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<DT id="11">Unknown chunks are skipped.<DD>
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</DL>
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<A NAME="lbAE"> </A>
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<H2>OPTIONS</H2>
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<DL COMPACT>
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<DT id="12"><B>-verbose</B>
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<DD>
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Give some information about the ILBM file.
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<DT id="13"><B>-ignore <chunkID></B>
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<DD>
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Skip a chunk. <chunkID> is the 4-letter IFF chunk identifier of the chunk
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to be skipped.
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<DT id="14"><B>-isham | -isehb</B>
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<DD>
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Treat the input file as a HAM or Extra_Halfbrite picture, even if these
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flags or not set in the CAMG chunk (or if there is no CAMG chunk).
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<DT id="15"><B>-adjustcolors</B>
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<DD>
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If all colors in the CMAP have a value of less then 16, ilbmtoppm assumes
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a 4-bit colormap and gives a warning. With this option the colormap
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is scaled to 8 bits.
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</DL>
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<A NAME="lbAF"> </A>
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<H2>BUGS</H2>
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The multipalette PCHG BigLineChanges and Huffman decompression code is untested.
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<A NAME="lbAG"> </A>
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<H2>REFERENCES</H2>
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Amiga ROM Kernel Reference Manual - Devices (3rd Ed.)
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<BR>
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Addison Wesley, ISBN 0-201-56775-X
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<A NAME="lbAH"> </A>
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<H2>SEE ALSO</H2>
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<A HREF="/cgi-bin/man/man2html?5+ppm">ppm</A>(5), <A HREF="/cgi-bin/man/man2html?1+ppmtoilbm">ppmtoilbm</A>(1)
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<A NAME="lbAI"> </A>
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<H2>AUTHORS</H2>
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Copyright (C) 1989 by Jef Poskanzer.
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<BR>
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Modified October 1993 by Ingo Wilken (<A HREF="mailto:Ingo.Wilken@informatik.uni-oldenburg.de">Ingo.Wilken@informatik.uni-oldenburg.de</A>)
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<P>
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<P>
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="16"><A HREF="#lbAB">NAME</A><DD>
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<DT id="17"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="18"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="19"><A HREF="#lbAE">OPTIONS</A><DD>
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<DT id="20"><A HREF="#lbAF">BUGS</A><DD>
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<DT id="21"><A HREF="#lbAG">REFERENCES</A><DD>
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<DT id="22"><A HREF="#lbAH">SEE ALSO</A><DD>
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<DT id="23"><A HREF="#lbAI">AUTHORS</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:17 GMT, March 31, 2021
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