This is the command ppmtosixel that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
ppmtosixel - convert a portable pixmap into DEC sixel format
SYNOPSIS
ppmtosixel [-raw] [-margin] [ppmfile]
DESCRIPTION
Reads a portable pixmap as input. Produces sixel commands (SIX) as output. The output is
formatted for color printing, e.g. for a DEC LJ250 color inkjet printer.
If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled. A
printer control header and a color assignment table begin the SIX file. Image data is
written in a compressed format by default. A printer control footer ends the image file.
OPTIONS
-raw If specified, each pixel will be explicitly described in the image file. If -raw
is not specified, output will default to compressed format in which identical
adjacent pixels are replaced by "repeat pixel" commands. A raw file is often an
order of magnitude larger than a compressed file and prints much slower.
-margin
If -margin is not specified, the image will be start at the left margin (of the
window, paper, or whatever). If -margin is specified, a 1.5 inch left margin will
offset the image.
PRINTING
Generally, sixel files must reach the printer unfiltered. Use the lpr -x option or cat
filename > /dev/tty0?.
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