Plan 9 - man page for mugs (plan9 section 9)
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mugs - make face icons from pictures
mugs [ -a ] [ -1 ] [ -2 ] [ file ]
Mugs interactively converts grey-scale images in the form of picfile(9.6) into 48x48
icons. It is designed to run in a pipe, reading the picture from standard input unless a
single file is given on the call. Mugs displays a large approximation to the original
picture and a matrix of 48x48 icons of varying contrast and brightness. Button 1 selects
one of the icons. Button 2 offers the menu entries:
in Zoom in to a finer contrast/brightness range around the selected icon. Repeated
ins will zoom in farther.
out Opposite of in.
reset Set the brightness/contrast range to the maximum.
Both in and out preserve the brightness/contrast values in the selected icon. Button 3
presents a menu with entries:
window Select a square window in the large picture using button 3. Touch down at the top
and center of the square and slide around to adjust its size. Appropriately
cropped icons will be displayed.
depth Toggle between 1- and 2-bit deep icons.
write Write the selected icon to standard output. Each write produces 48 lines of text
suitable for initializing an array in C. 1-bit deep icons produce three shorts per
line; 2-bit depths are written as three longs per line.
abort Terminate mugs with a non-blank error return.
finish Terminate with a null status return.
Option -a indicates that picture files have non-square pixels with aspect ratio 1.25, as
produced by some frame grabbers. Normally pixels are assumed to be square. -1 and -2
select the initial depth of the icons. -2 is default.
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