SVGHMI: provide request_animate() to Widget authors so that they can register redraw code when events lead to redraw. Widget member animate() is called when it is time to update DOM.
#!/bin/bash
INKSCAPE=inkscape
for i in `cat icons.svg |grep -o -e '%%[^%]*%%'|sed 's/%//g'`
do
if [ $i.png -nt icons.svg ]; then
echo "Skip $i"
else
rm -f $i.png
echo "$INKSCAPE" icons.svg -z -e $i.png -i $i
"$INKSCAPE" icons.svg -z -e $i.png -i $i
fi
done