Lispmtopgm User Manual(0) Lispmtopgm User Manual(0) NAME lispmtopgm - convert a Lisp Machine bitmap file to PGM SYNOPSIS lispmtopgm [lispmfile] DESCRIPTION This program is part of Netpbm(1). listpmfile reads a Lisp Machine bitmap as input and produces a PGM image as output. This is the file format written by the tv:write-bit-array-file function on TI Explorer and Symbolics lisp machines. Multi-plane bitmaps on lisp machines are color; but the Lispm image file format does not include a color map, so we must treat it as a monochrome instead and produce PGM. This is unfortunate. SEE ALSO pgmtolispm(1), pgm(1) LIMITATIONS The Lispm bitmap file format is a bit quirky; Usually the image in the file has its width rounded up to the next higher multiple of 32, but not always. If the width is not a mul- tiple of 32, we don't deal with it properly, but because of the Lispm microcode, such arrays are probably not image data anyway. Also, the Lispm code for saving bitmaps has a bug, in that if you are writing a bitmap which is not mod32 across, the file may be up to 7 bits too short! They round down instead of up, and we don't handle this bug gracefully. AUTHOR Copyright (C) 1991 by Jamie Zawinski and Jef Poskanzer. DOCUMENT SOURCE This manual page was generated by the Netpbm tool 'makeman' from HTML source. The master documentation is at http://netpbm.sourceforge.net/doc/lispmtopgm.html netpbm documentation 06 March 1990 Lispmtopgm User Manual(0)
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