7 echo "Usage: $0 <input.svg> <size> <output.png>" 1>&2
16 SHADOW=$(($SIZE / 16))
17 IMAGE=$(($SIZE - $SHADOW))
21 SHIFT=$(($SHADOW - $BLUR))
23 echo SHADOW $SHADOW IMAGE $IMAGE OPACITY $OPACITY SHIFT $SHIFT BLUR $BLUR
29 rsvg-convert -w $IMAGE -h $IMAGE -o $TMP $SVG
32 \( +clone -background black -shadow ${OPACITY}x${BLUR}+${SHIFT}+${SHIFT} \) \
33 +swap -background none -layers merge -crop ${SIZE}x${SIZE}+0+0 +repage $PNG