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diff --git a/upstream/mageia-cauldron/man1/ppmtosixel.1 b/upstream/mageia-cauldron/man1/ppmtosixel.1 new file mode 100644 index 00000000..a8a17bdf --- /dev/null +++ b/upstream/mageia-cauldron/man1/ppmtosixel.1 @@ -0,0 +1,98 @@ +\ +.\" This man page was generated by the Netpbm tool 'makeman' from HTML source. +.\" Do not hand-hack it! If you have bug fixes or improvements, please find +.\" the corresponding HTML page on the Netpbm website, generate a patch +.\" against that, and send it to the Netpbm maintainer. +.TH "Ppmtosixel User Manual" 0 "26 April 1991" "netpbm documentation" + +.SH NAME + +ppmtosixel - convert a PPM image to DEC sixel format + +.UN synopsis +.SH SYNOPSIS + +\fBppmtosixel\fP + +[\fB-raw\fP] + +[\fB-margin\fP] + +[\fIppmfile\fP] + +.UN description +.SH DESCRIPTION +.PP +This program is part of +.BR "Netpbm" (1)\c +\&. +.PP +\fBppmtosixel\fP reads a PPM image as input and produces sixel +commands (SIX) as output. The output is formatted for color printing, +e.g. for a DEC LJ250 color inkjet printer. +.PP +If RGB values from the PPM file do not have maxval=100, +\fBppmtosixel\fP rescales them to maxval 100. A printer control +header and a color assignment table begin the SIX file. Image data is +in a compressed format by default. A printer control footer ends the +image file. + +.UN options +.SH OPTIONS +.PP +In addition to the options common to all programs based on libnetpbm +(most notably \fB-quiet\fP, see +.UR index.html#commonoptions + Common Options +.UE +\&), \fBppmtosixel\fP recognizes the following +command line options: + + +.TP +\fB-raw\fP +If you specify this, each pixel will be explicitly described in +the image file. If \fB-raw\fP 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. + +.TP +\fB-margin\fP +If you don't specify \fB-margin\fP, the image will start at the +left margin (of the window, paper, or whatever). If you \fIdo\fP +specify \fB-margin\fP, a 1.5 inch left margin will offset the image. + + + +.UN printing +.SH PRINTING +.PP +Generally, sixel files must reach the printer unfiltered. +Use the lpr -x option or \fBcat filename > /dev/tty0?\fP. + +.UN limitations +.SH LIMITATIONS + +Upon rescaling, truncation of the least significant bits of RGB values +may result in poor color conversion. If the original PPM maxval was +greater than 100, rescaling also reduces the image depth. While the +actual RGB values from the ppm file are more or less retained, the +color palette of the LJ250 may not match the colors on your screen. +This seems to be a printer limitation. + +.UN seealso +.SH SEE ALSO +.BR "ppm" (1)\c +\& + +.UN author +.SH AUTHOR + +Copyright (C) 1991 by Rick Vinci. +.SH DOCUMENT SOURCE +This manual page was generated by the Netpbm tool 'makeman' from HTML +source. The master documentation is at +.IP +.B http://netpbm.sourceforge.net/doc/ppmtosixel.html +.PP
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