jw-pkg/scripts/convert-to-greyed-out-image.sh

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#!/bin/sh
in=$1
out=`echo $1 | sed 's/\.\([^.]\+$\)/-greyed-out.\1/'`
#convert -monochrome $in $out
#convert -monochrome -opaque \#e5e5e5 $in $out
#convert -modulate 100,40 $in $out
#convert +level 25% $in $out
convert +level 30% $in $out
# ------------------------------------------------
#convert small.miff -modulate 100,40 small-grey.miff
#montage -fill black -font $P/LucidaGrande.ttf -pointsize 10 -geometry +0+0 -label "${LABEL}" -background transparent small-grey.miff small-text.png
#composite -size 48x48 xc:$BGCOL -compose copy small-text.png mask.miff
#composite small-text.png -compose atop mask.miff apmask.miff