SUNIMP

Section: User Commands (1)
Updated: local
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NAME

sunimp - convert Sun rasterfile bitmap to Imagen Impress

SYNOPSIS

sunimp <rasterfile >Impressfile

DESCRIPTION

Sunimp is a filter which converts the bitmaps created by screendump(1) to Impress commands suitable for an Imagen printer. Sunimp reads the rasterfile (described in rasterfile.h ) from standard input, and writes Impress (complete with the Document Contol String) to standard output. There are no flags.

Sunimp reads the rasterfile header and adjusts to the size of the bitmap. The Impress SET_MAGNIFICATION command is used for a 2x blowup of the bitmap.

A status of 1 is returned if the input file header is bad or the input file is too short. A 0 is returned otherwise.

EXAMPLES

To print a Sun screen to a Imagen, use this pipe: % screendump | sunimp | lpr -v

To print out a screen without a command line visible on the print, telnet in from another machine and run one of the above commands.

CAVEATS

Large bitmaps take a lot of memory on the Imagen Printer. A 3/4 Meg Imagen with TCP/IP/Ethernet has about 350K free memory. Bitmaps larger than avaliable Imagen memory will print an error message, but no bitmap.

Sunimp is not very portable. More precisely, the rasterfile header is affected by byte-order (contains binary integers), and connot be moved between arbitrary machines. The Impress file is defined as a byte-stream and does not have this problem.

FILES

None.

ENVIRONMENT

USER is read for Imagen jobheader.

AUTHOR

Walter Underwood, Ford Aerospace, based on macimp by Ed Patterman, Stanford. Modified by Van Jacobson, Lawrence Berkeley Laboratory, to work on Sun-3 and to handle color dumps (i.e., from Sun-3/160).

DIAGNOSTICS

Non-fatal diagnostics: Warning: bad magic number in rasterfile. ras_magic= %d
Warning: raster is not type zero. ras_type= %d

Fatal diagnostics: Cannot alloc enough space for conversion array.
Rasterfile is not raw bits. ras_encoding= %d
Sorry, can only handle 1 or 8 bits per pixel. ras_depth= %d

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Time: 00:31:42 GMT, January 04, 2023