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#!/bin/bash
#
# creates attribute icons in one resolution only
require () {
hash $1 2>&- || { echo >&2 "I require $1 but it's not installed. Aborting."; exit 1; }
}
require optipng
#part of ImageMagick package
require convert
#part of ImageMagick package
require composite
require sed
# directory for icons
ICONDIR="./drawable-mdpi"
# size of the image itself (inside border)
IMGSIZE=24
# size of the whole icon
ICONSIZE=48
# create output directory if missing
[ -d $ICONDIR ] || mkdir $ICONDIR
if [ $# -gt 0 ]; then
svgs="$@"
else
svgs="svgs/*.svg"
fi
convert -size ${ICONSIZE}x${ICONSIZE} xc:none canvas.png
for s in $svgs; do
n=$ICONDIR/settings_`basename "$s" | sed "s/\.svg//"`
# don't draw icons if svg is older than icon
[ -f "${n}.png" ] && [ "$s" -ot "${n}.png" ] && continue
echo "drawing $n"
# white
sed -e "s/fill:#....../fill:#ffffff/g" "$s" > tmp.svg
convert -density 200 -background none tmp.svg -fill black -resize ${IMGSIZE}x${IMGSIZE} tmp.png
composite -gravity center tmp.png canvas.png "${n}_white.png"
optipng -quiet "${n}_white.png"
# black
sed -e "s/fill:#....../fill:#000000/g" "$s" > tmp.svg
convert -density 200 -background none tmp.svg -fill black -resize ${IMGSIZE}x${IMGSIZE} tmp.png
composite -gravity center tmp.png canvas.png "${n}_black.png"
optipng -quiet "${n}_black.png"
done
rm canvas.png tmp.png tmp.svg
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