TH PIC2PS 9.1
SH NAME
pic2ps, pic2gif \- convert picture files to other formats
SH SYNOPSIS
B fb/pic2ps
[
B -c
]
[
B -h
I height
] [
I input
]
PP
B fb/pic2gif
[
B -i
]
[
B -l
]
[
B -b
I depth
] [
I input
]
SH DESCRIPTION
I Pic2ps
converts its input image (default standard input) into encapsulated PostScript, writing
the result to standard output.  If the input image is full-color,
its luminance is computed first, except under option
BR -c ,
which produces output suitable for a color PostScript printer.
Option
B -h
sets the output image height in inches.  The default height is 3", to match
the default height of the
B .BP
macro in
BR "troff -mpictures" .
PP
I Pic2gif
converts its input image (default standard input) into a Compuserv GIF format file, writing
the result to standard output.  It converts only the first channel of the input image,
which may yield wrong results \(em use
the
B -l
flag or
IR quantize (9.1)
or some other dithering filter to reduce color images to a single channel.
Option
B -i
produces an interlaced output file.
Option
B -b
sets the number of bits per pixel in the output file.
The default is 8, which is the maximum.
Option
B -l
makes
I pic2gif
compute the NTSC luminance of its input.
If
IR pic2gif 's
input contains no color map, it assumes that it is a 256 grey shade monochrome image.
SH SOURCE
B /sys/src/fb/pic2ps.c
br
B /sys/src/fb/pic2gif.c
SH "SEE ALSO
IR mpictures (6),
IR picfile (9.6),
IR quantize (9.1),

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