#!/bin/rc

fn unhex {
       tr '    ' ' ' | sed 's/0x//g;s/[, ]//g;s/../0x&, /g;s/^/        /'
}

if(! ~ $#* 1) {
       echo 'usage: mkface who' >[1=2]
       exit usage
}

who=$1
x='^astro/'^$who^' '
z='^([^ ]+)/'^$who^' '

file=notfound
for(i in 1 2 4 8)
       if(y=`{grep $x /lib/face/48x48x$i/.dict} || y=`{grep $z /lib/face/48x48x$i/.dict})
               file=/lib/face/48x48x$i/$y(2)

if(~ $file notfound) {
       echo 'cannot find face for '$who >[1=2]
       exit noface
}

{
       echo 'uchar '$who'bits[] = {'
       switch($file) {
       case *48x48x8* *48x48x4*
               iconv -u $file | dd -bs 60 -skip 1 >[2]/dev/null | xd |
               sed 's#^.......##' | unhex | sed 's/0x/~&/g'
       case *48x48x2* *48x48x1*
               cat $file | unhex
       }
       echo '};'
} >$who.bits

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